]> git.r.bdr.sh - rbdr/mobius/blobdiff - hotline/transaction_handlers_test.go
Improve third party client compatability
[rbdr/mobius] / hotline / transaction_handlers_test.go
index 01ae862fc964e2dcb8276a91189037195cf89b3b..69dedf9e6e4ee47022deb312e1dc5b74f1bd9bcb 100644 (file)
@@ -4,11 +4,14 @@ import (
        "errors"
        "fmt"
        "github.com/stretchr/testify/assert"
+       "github.com/stretchr/testify/mock"
        "io/fs"
        "math/rand"
        "os"
+       "path/filepath"
        "strings"
        "testing"
+       "time"
 )
 
 func TestHandleSetChatSubject(t *testing.T) {
@@ -34,13 +37,13 @@ func TestHandleSetChatSubject(t *testing.T) {
                                                                ClientConn: map[uint16]*ClientConn{
                                                                        uint16(1): {
                                                                                Account: &Account{
-                                                                                       Access: &[]byte{255, 255, 255, 255, 255, 255, 255, 255},
+                                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
                                                                                },
                                                                                ID: &[]byte{0, 1},
                                                                        },
                                                                        uint16(2): {
                                                                                Account: &Account{
-                                                                                       Access: &[]byte{255, 255, 255, 255, 255, 255, 255, 255},
+                                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
                                                                                },
                                                                                ID: &[]byte{0, 2},
                                                                        },
@@ -50,13 +53,13 @@ func TestHandleSetChatSubject(t *testing.T) {
                                                Clients: map[uint16]*ClientConn{
                                                        uint16(1): {
                                                                Account: &Account{
-                                                                       Access: &[]byte{255, 255, 255, 255, 255, 255, 255, 255},
+                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
                                                                },
                                                                ID: &[]byte{0, 1},
                                                        },
                                                        uint16(2): {
                                                                Account: &Account{
-                                                                       Access: &[]byte{255, 255, 255, 255, 255, 255, 255, 255},
+                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
                                                                },
                                                                ID: &[]byte{0, 2},
                                                        },
@@ -142,13 +145,13 @@ func TestHandleLeaveChat(t *testing.T) {
                                                                ClientConn: map[uint16]*ClientConn{
                                                                        uint16(1): {
                                                                                Account: &Account{
-                                                                                       Access: &[]byte{255, 255, 255, 255, 255, 255, 255, 255},
+                                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
                                                                                },
                                                                                ID: &[]byte{0, 1},
                                                                        },
                                                                        uint16(2): {
                                                                                Account: &Account{
-                                                                                       Access: &[]byte{255, 255, 255, 255, 255, 255, 255, 255},
+                                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
                                                                                },
                                                                                ID: &[]byte{0, 2},
                                                                        },
@@ -158,13 +161,13 @@ func TestHandleLeaveChat(t *testing.T) {
                                                Clients: map[uint16]*ClientConn{
                                                        uint16(1): {
                                                                Account: &Account{
-                                                                       Access: &[]byte{255, 255, 255, 255, 255, 255, 255, 255},
+                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
                                                                },
                                                                ID: &[]byte{0, 1},
                                                        },
                                                        uint16(2): {
                                                                Account: &Account{
-                                                                       Access: &[]byte{255, 255, 255, 255, 255, 255, 255, 255},
+                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
                                                                },
                                                                ID: &[]byte{0, 2},
                                                        },
@@ -226,24 +229,21 @@ func TestHandleGetUserNameList(t *testing.T) {
                                                Clients: map[uint16]*ClientConn{
                                                        uint16(1): {
                                                                ID:       &[]byte{0, 1},
-                                                               Icon:     &[]byte{0, 2},
-                                                               Flags:    &[]byte{0, 3},
+                                                               Icon:     []byte{0, 2},
+                                                               Flags:    []byte{0, 3},
                                                                UserName: []byte{0, 4},
-                                                               Agreed:   true,
                                                        },
                                                        uint16(2): {
                                                                ID:       &[]byte{0, 2},
-                                                               Icon:     &[]byte{0, 2},
-                                                               Flags:    &[]byte{0, 3},
+                                                               Icon:     []byte{0, 2},
+                                                               Flags:    []byte{0, 3},
                                                                UserName: []byte{0, 4},
-                                                               Agreed:   true,
                                                        },
                                                        uint16(3): {
                                                                ID:       &[]byte{0, 3},
-                                                               Icon:     &[]byte{0, 2},
-                                                               Flags:    &[]byte{0, 3},
+                                                               Icon:     []byte{0, 2},
+                                                               Flags:    []byte{0, 3},
                                                                UserName: []byte{0, 4},
-                                                               Agreed:   false,
                                                        },
                                                },
                                        },
@@ -258,7 +258,7 @@ func TestHandleGetUserNameList(t *testing.T) {
                                        clientID:  &[]byte{1, 1},
                                        Flags:     0x00,
                                        IsReply:   0x01,
-                                       Type:      []byte{0, 1},
+                                       Type:      []byte{0, 0},
                                        ID:        []byte{0, 0, 0, 1},
                                        ErrorCode: []byte{0, 0, 0, 0},
                                        Fields: []Field{
@@ -304,11 +304,10 @@ func TestHandleChatSend(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessSendChat)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        UserName: []byte{0x00, 0x01},
@@ -316,13 +315,13 @@ func TestHandleChatSend(t *testing.T) {
                                                Clients: map[uint16]*ClientConn{
                                                        uint16(1): {
                                                                Account: &Account{
-                                                                       Access: &[]byte{255, 255, 255, 255, 255, 255, 255, 255},
+                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
                                                                },
                                                                ID: &[]byte{0, 1},
                                                        },
                                                        uint16(2): {
                                                                Account: &Account{
-                                                                       Access: &[]byte{255, 255, 255, 255, 255, 255, 255, 255},
+                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
                                                                },
                                                                ID: &[]byte{0, 2},
                                                        },
@@ -361,15 +360,76 @@ func TestHandleChatSend(t *testing.T) {
                        },
                        wantErr: false,
                },
+               {
+                       name: "treats Chat ID 00 00 00 00 as a public chat message",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessSendChat)
+                                                       return bits
+                                               }(),
+                                       },
+                                       UserName: []byte{0x00, 0x01},
+                                       Server: &Server{
+                                               Clients: map[uint16]*ClientConn{
+                                                       uint16(1): {
+                                                               Account: &Account{
+                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
+                                                               },
+                                                               ID: &[]byte{0, 1},
+                                                       },
+                                                       uint16(2): {
+                                                               Account: &Account{
+                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
+                                                               },
+                                                               ID: &[]byte{0, 2},
+                                                       },
+                                               },
+                                       },
+                               },
+                               t: &Transaction{
+                                       Fields: []Field{
+                                               NewField(fieldData, []byte("hai")),
+                                               NewField(fieldChatID, []byte{0, 0, 0, 0}),
+                                       },
+                               },
+                       },
+                       want: []Transaction{
+                               {
+                                       clientID:  &[]byte{0, 1},
+                                       Flags:     0x00,
+                                       IsReply:   0x00,
+                                       Type:      []byte{0, 0x6a},
+                                       ID:        []byte{0x9a, 0xcb, 0x04, 0x42}, // Random ID from rand.Seed(1)
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields: []Field{
+                                               NewField(fieldData, []byte{0x0d, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00, 0x01, 0x3a, 0x20, 0x20, 0x68, 0x61, 0x69}),
+                                       },
+                               },
+                               {
+                                       clientID:  &[]byte{0, 2},
+                                       Flags:     0x00,
+                                       IsReply:   0x00,
+                                       Type:      []byte{0, 0x6a},
+                                       ID:        []byte{0xf0, 0xc5, 0x34, 0x1e}, // Random ID from rand.Seed(1)
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields: []Field{
+                                               NewField(fieldData, []byte{0x0d, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00, 0x01, 0x3a, 0x20, 0x20, 0x68, 0x61, 0x69}),
+                                       },
+                               },
+                       },
+                       wantErr: false,
+               },
                {
                        name: "when user does not have required permission",
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        Server: &Server{
@@ -396,15 +456,14 @@ func TestHandleChatSend(t *testing.T) {
                        wantErr: false,
                },
                {
-                       name: "sends chat msg as emote if fieldChatOptions is set",
+                       name: "sends chat msg as emote if fieldChatOptions is set to 1",
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessSendChat)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        UserName: []byte("Testy McTest"),
@@ -412,13 +471,13 @@ func TestHandleChatSend(t *testing.T) {
                                                Clients: map[uint16]*ClientConn{
                                                        uint16(1): {
                                                                Account: &Account{
-                                                                       Access: &[]byte{255, 255, 255, 255, 255, 255, 255, 255},
+                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
                                                                },
                                                                ID: &[]byte{0, 1},
                                                        },
                                                        uint16(2): {
                                                                Account: &Account{
-                                                                       Access: &[]byte{255, 255, 255, 255, 255, 255, 255, 255},
+                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
                                                                },
                                                                ID: &[]byte{0, 2},
                                                        },
@@ -458,16 +517,77 @@ func TestHandleChatSend(t *testing.T) {
                        },
                        wantErr: false,
                },
+               {
+                       name: "does not send chat msg as emote if fieldChatOptions is set to 0",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessSendChat)
+                                                       return bits
+                                               }(),
+                                       },
+                                       UserName: []byte("Testy McTest"),
+                                       Server: &Server{
+                                               Clients: map[uint16]*ClientConn{
+                                                       uint16(1): {
+                                                               Account: &Account{
+                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
+                                                               },
+                                                               ID: &[]byte{0, 1},
+                                                       },
+                                                       uint16(2): {
+                                                               Account: &Account{
+                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
+                                                               },
+                                                               ID: &[]byte{0, 2},
+                                                       },
+                                               },
+                                       },
+                               },
+                               t: &Transaction{
+                                       Fields: []Field{
+                                               NewField(fieldData, []byte("hello")),
+                                               NewField(fieldChatOptions, []byte{0x00, 0x00}),
+                                       },
+                               },
+                       },
+                       want: []Transaction{
+                               {
+                                       clientID:  &[]byte{0, 1},
+                                       Flags:     0x00,
+                                       IsReply:   0x00,
+                                       Type:      []byte{0, 0x6a},
+                                       ID:        []byte{0x9a, 0xcb, 0x04, 0x42},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields: []Field{
+                                               NewField(fieldData, []byte("\r Testy McTest:  hello")),
+                                       },
+                               },
+                               {
+                                       clientID:  &[]byte{0, 2},
+                                       Flags:     0x00,
+                                       IsReply:   0x00,
+                                       Type:      []byte{0, 0x6a},
+                                       ID:        []byte{0xf0, 0xc5, 0x34, 0x1e},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields: []Field{
+                                               NewField(fieldData, []byte("\r Testy McTest:  hello")),
+                                       },
+                               },
+                       },
+                       wantErr: false,
+               },
                {
                        name: "only sends chat msg to clients with accessReadChat permission",
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessSendChat)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        UserName: []byte{0x00, 0x01},
@@ -475,13 +595,16 @@ func TestHandleChatSend(t *testing.T) {
                                                Clients: map[uint16]*ClientConn{
                                                        uint16(1): {
                                                                Account: &Account{
-                                                                       Access: &[]byte{255, 255, 255, 255, 255, 255, 255, 255},
-                                                               },
+                                                                       Access: func() accessBitmap {
+                                                                               var bits accessBitmap
+                                                                               bits.Set(accessReadChat)
+                                                                               return bits
+                                                                       }()},
                                                                ID: &[]byte{0, 1},
                                                        },
                                                        uint16(2): {
                                                                Account: &Account{
-                                                                       Access: &[]byte{0, 0, 0, 0, 0, 0, 0, 0},
+                                                                       Access: accessBitmap{0, 0, 0, 0, 0, 0, 0, 0},
                                                                },
                                                                ID: &[]byte{0, 2},
                                                        },
@@ -514,11 +637,10 @@ func TestHandleChatSend(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessSendChat)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        UserName: []byte{0x00, 0x01},
@@ -538,19 +660,19 @@ func TestHandleChatSend(t *testing.T) {
                                                Clients: map[uint16]*ClientConn{
                                                        uint16(1): {
                                                                Account: &Account{
-                                                                       Access: &[]byte{255, 255, 255, 255, 255, 255, 255, 255},
+                                                                       Access: accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
                                                                },
                                                                ID: &[]byte{0, 1},
                                                        },
                                                        uint16(2): {
                                                                Account: &Account{
-                                                                       Access: &[]byte{0, 0, 0, 0, 0, 0, 0, 0},
+                                                                       Access: accessBitmap{0, 0, 0, 0, 0, 0, 0, 0},
                                                                },
                                                                ID: &[]byte{0, 2},
                                                        },
                                                        uint16(3): {
                                                                Account: &Account{
-                                                                       Access: &[]byte{0, 0, 0, 0, 0, 0, 0, 0},
+                                                                       Access: accessBitmap{0, 0, 0, 0, 0, 0, 0, 0},
                                                                },
                                                                ID: &[]byte{0, 3},
                                                        },
@@ -625,10 +747,11 @@ func TestHandleGetFileInfo(t *testing.T) {
                                cc: &ClientConn{
                                        ID: &[]byte{0x00, 0x01},
                                        Server: &Server{
+                                               FS: &OSFileStore{},
                                                Config: &Config{
                                                        FileRoot: func() string {
                                                                path, _ := os.Getwd()
-                                                               return path + "/test/config/Files"
+                                                               return filepath.Join(path, "/test/config/Files")
                                                        }(),
                                                },
                                        },
@@ -644,7 +767,7 @@ func TestHandleGetFileInfo(t *testing.T) {
                                        clientID:  &[]byte{0, 1},
                                        Flags:     0x00,
                                        IsReply:   0x01,
-                                       Type:      []byte{0, 0xce},
+                                       Type:      []byte{0, 0},
                                        ID:        []byte{0x9a, 0xcb, 0x04, 0x42}, // Random ID from rand.Seed(1)
                                        ErrorCode: []byte{0, 0, 0, 0},
                                        Fields: []Field{
@@ -672,7 +795,7 @@ func TestHandleGetFileInfo(t *testing.T) {
                                return
                        }
 
-                       // Clear the file timestamp fields to work around problems running the tests in multiple timezones
+                       // Clear the fileWrapper timestamp fields to work around problems running the tests in multiple timezones
                        // TODO: revisit how to test this by mocking the stat calls
                        gotRes[0].Fields[5].Data = make([]byte, 8)
                        gotRes[0].Fields[6].Data = make([]byte, 8)
@@ -699,10 +822,9 @@ func TestHandleNewFolder(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                },
@@ -730,11 +852,10 @@ func TestHandleNewFolder(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessCreateFolder)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        ID: &[]byte{0, 1},
@@ -766,7 +887,7 @@ func TestHandleNewFolder(t *testing.T) {
                                        clientID:  &[]byte{0, 1},
                                        Flags:     0x00,
                                        IsReply:   0x01,
-                                       Type:      []byte{0, 0xcd},
+                                       Type:      []byte{0, 0},
                                        ID:        []byte{0x9a, 0xcb, 0x04, 0x42}, // Random ID from rand.Seed(1)
                                        ErrorCode: []byte{0, 0, 0, 0},
                                },
@@ -778,11 +899,10 @@ func TestHandleNewFolder(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessCreateFolder)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        ID: &[]byte{0, 1},
@@ -808,7 +928,7 @@ func TestHandleNewFolder(t *testing.T) {
                                        clientID:  &[]byte{0, 1},
                                        Flags:     0x00,
                                        IsReply:   0x01,
-                                       Type:      []byte{0, 0xcd},
+                                       Type:      []byte{0, 0},
                                        ID:        []byte{0x9a, 0xcb, 0x04, 0x42}, // Random ID from rand.Seed(1)
                                        ErrorCode: []byte{0, 0, 0, 0},
                                },
@@ -816,15 +936,14 @@ func TestHandleNewFolder(t *testing.T) {
                        wantErr: false,
                },
                {
-                       name: "when UnmarshalBinary returns an err",
+                       name: "when Write returns an err",
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessCreateFolder)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        ID: &[]byte{0, 1},
@@ -856,11 +975,10 @@ func TestHandleNewFolder(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessCreateFolder)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        ID: &[]byte{0, 1},
@@ -886,7 +1004,7 @@ func TestHandleNewFolder(t *testing.T) {
                                        clientID:  &[]byte{0, 1},
                                        Flags:     0x00,
                                        IsReply:   0x01,
-                                       Type:      []byte{0, 0xcd},
+                                       Type:      []byte{0, 0},
                                        ID:        []byte{0x9a, 0xcb, 0x04, 0x42}, // Random ID from rand.Seed(1)
                                        ErrorCode: []byte{0, 0, 0, 0},
                                },
@@ -897,11 +1015,10 @@ func TestHandleNewFolder(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessCreateFolder)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        ID: &[]byte{0, 1},
@@ -936,7 +1053,7 @@ func TestHandleNewFolder(t *testing.T) {
                                        clientID:  &[]byte{0, 1},
                                        Flags:     0x00,
                                        IsReply:   0x01,
-                                       Type:      []byte{0, 0xcd},
+                                       Type:      []byte{0, 0},
                                        ID:        []byte{0x9a, 0xcb, 0x04, 0x42}, // Random ID from rand.Seed(1)
                                        ErrorCode: []byte{0, 0, 0, 0},
                                },
@@ -975,15 +1092,20 @@ func TestHandleUploadFile(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Server: &Server{
-                                               FileTransfers: map[uint32]*FileTransfer{},
+                                               FS:            &OSFileStore{},
+                                               fileTransfers: map[[4]byte]*FileTransfer{},
+                                               Config: &Config{
+                                                       FileRoot: func() string { path, _ := os.Getwd(); return path + "/test/config/Files" }(),
+                                               }},
+                                       transfers: map[int]map[[4]byte]*FileTransfer{
+                                               FileUpload: {},
                                        },
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessUploadFile)
                                                        bits.Set(accessUploadAnywhere)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                },
@@ -1002,7 +1124,7 @@ func TestHandleUploadFile(t *testing.T) {
                                {
                                        Flags:     0x00,
                                        IsReply:   0x01,
-                                       Type:      []byte{0, 0xcb},
+                                       Type:      []byte{0, 0},
                                        ID:        []byte{0x9a, 0xcb, 0x04, 0x42},
                                        ErrorCode: []byte{0, 0, 0, 0},
                                        Fields: []Field{
@@ -1017,15 +1139,11 @@ func TestHandleUploadFile(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
-                                       Server: &Server{
-                                               FileTransfers: map[uint32]*FileTransfer{},
-                                       },
                                },
                                t: NewTransaction(
                                        tranUploadFile, &[]byte{0, 1},
@@ -1083,12 +1201,12 @@ func TestHandleMakeAlias(t *testing.T) {
                        name: "with valid input and required permissions",
                        args: args{
                                cc: &ClientConn{
+                                       logger: NewTestLogger(),
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessMakeAlias)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        Server: &Server{
@@ -1122,7 +1240,7 @@ func TestHandleMakeAlias(t *testing.T) {
                                {
                                        Flags:     0x00,
                                        IsReply:   0x01,
-                                       Type:      []byte{0, 0xd1},
+                                       Type:      []byte{0, 0},
                                        ID:        []byte{0x9a, 0xcb, 0x04, 0x42},
                                        ErrorCode: []byte{0, 0, 0, 0},
                                        Fields:    []Field(nil),
@@ -1134,12 +1252,12 @@ func TestHandleMakeAlias(t *testing.T) {
                        name: "when symlink returns an error",
                        args: args{
                                cc: &ClientConn{
+                                       logger: NewTestLogger(),
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessMakeAlias)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        Server: &Server{
@@ -1187,11 +1305,11 @@ func TestHandleMakeAlias(t *testing.T) {
                        name: "when user does not have required permission",
                        args: args{
                                cc: &ClientConn{
+                                       logger: NewTestLogger(),
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        Server: &Server{
@@ -1264,11 +1382,10 @@ func TestHandleGetUser(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessOpenUser)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        Server: &Server{
@@ -1277,7 +1394,7 @@ func TestHandleGetUser(t *testing.T) {
                                                                Login:    "guest",
                                                                Name:     "Guest",
                                                                Password: "password",
-                                                               Access:   &[]byte{1},
+                                                               Access:   accessBitmap{},
                                                        },
                                                },
                                        },
@@ -1291,14 +1408,14 @@ func TestHandleGetUser(t *testing.T) {
                                {
                                        Flags:     0x00,
                                        IsReply:   0x01,
-                                       Type:      []byte{0x01, 0x60},
+                                       Type:      []byte{00},
                                        ID:        []byte{0x9a, 0xcb, 0x04, 0x42},
                                        ErrorCode: []byte{0, 0, 0, 0},
                                        Fields: []Field{
                                                NewField(fieldUserName, []byte("Guest")),
                                                NewField(fieldUserLogin, negateString([]byte("guest"))),
                                                NewField(fieldUserPassword, []byte("password")),
-                                               NewField(fieldUserAccess, []byte{1}),
+                                               NewField(fieldUserAccess, []byte{0, 0, 0, 0, 0, 0, 0, 0}),
                                        },
                                },
                        },
@@ -1309,10 +1426,9 @@ func TestHandleGetUser(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        Server: &Server{
@@ -1343,11 +1459,10 @@ func TestHandleGetUser(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessOpenUser)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        Server: &Server{
@@ -1398,15 +1513,14 @@ func TestHandleDeleteUser(t *testing.T) {
                wantErr assert.ErrorAssertionFunc
        }{
                {
-                       name: "when user exists",
+                       name: "when user dataFile",
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessDeleteUser)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        Server: &Server{
@@ -1415,7 +1529,7 @@ func TestHandleDeleteUser(t *testing.T) {
                                                                Login:    "testuser",
                                                                Name:     "Testy McTest",
                                                                Password: "password",
-                                                               Access:   &[]byte{1},
+                                                               Access:   accessBitmap{},
                                                        },
                                                },
                                                FS: func() *MockFileStore {
@@ -1434,7 +1548,7 @@ func TestHandleDeleteUser(t *testing.T) {
                                {
                                        Flags:     0x00,
                                        IsReply:   0x01,
-                                       Type:      []byte{0x1, 0x5f},
+                                       Type:      []byte{0, 0},
                                        ID:        []byte{0x9a, 0xcb, 0x04, 0x42},
                                        ErrorCode: []byte{0, 0, 0, 0},
                                        Fields:    []Field(nil),
@@ -1447,10 +1561,9 @@ func TestHandleDeleteUser(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        Server: &Server{
@@ -1505,11 +1618,10 @@ func TestHandleGetMsgs(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessNewsReadArt)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        Server: &Server{
@@ -1524,7 +1636,7 @@ func TestHandleGetMsgs(t *testing.T) {
                                {
                                        Flags:     0x00,
                                        IsReply:   0x01,
-                                       Type:      []byte{0, 0x65},
+                                       Type:      []byte{0, 0},
                                        ID:        []byte{0x9a, 0xcb, 0x04, 0x42},
                                        ErrorCode: []byte{0, 0, 0, 0},
                                        Fields: []Field{
@@ -1539,10 +1651,9 @@ func TestHandleGetMsgs(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        Server: &Server{
@@ -1596,10 +1707,9 @@ func TestHandleNewUser(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        Server: &Server{
@@ -1624,6 +1734,48 @@ func TestHandleNewUser(t *testing.T) {
                        },
                        wantErr: assert.NoError,
                },
+               {
+                       name: "when user attempts to create account with greater access",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessCreateUser)
+                                                       return bits
+                                               }(),
+                                       },
+                                       Server: &Server{
+                                               Accounts: map[string]*Account{},
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranNewUser, &[]byte{0, 1},
+                                       NewField(fieldUserLogin, []byte("userB")),
+                                       NewField(
+                                               fieldUserAccess,
+                                               func() []byte {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessDisconUser)
+                                                       return bits[:]
+                                               }(),
+                                       ),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0x00},
+                                       ID:        []byte{0x9a, 0xcb, 0x04, 0x42},
+                                       ErrorCode: []byte{0, 0, 0, 1},
+                                       Fields: []Field{
+                                               NewField(fieldError, []byte("Cannot create account with more access than yourself.")),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
        }
        for _, tt := range tests {
                t.Run(tt.name, func(t *testing.T) {
@@ -1653,10 +1805,9 @@ func TestHandleListUsers(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        Server: &Server{
@@ -1681,6 +1832,51 @@ func TestHandleListUsers(t *testing.T) {
                        },
                        wantErr: assert.NoError,
                },
+               {
+                       name: "when user has required permission",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessOpenUser)
+                                                       return bits
+                                               }(),
+                                       },
+                                       Server: &Server{
+                                               Accounts: map[string]*Account{
+                                                       "guest": {
+                                                               Name:     "guest",
+                                                               Login:    "guest",
+                                                               Password: "zz",
+                                                               Access:   accessBitmap{255, 255, 255, 255, 255, 255, 255, 255},
+                                                       },
+                                               },
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranGetClientInfoText, &[]byte{0, 1},
+                                       NewField(fieldUserID, []byte{0, 1}),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields: []Field{
+                                               NewField(fieldData, []byte{
+                                                       0x00, 0x04, 0x00, 0x66, 0x00, 0x05, 0x67, 0x75, 0x65, 0x73, 0x74, 0x00, 0x69, 0x00, 0x05, 0x98,
+                                                       0x8a, 0x9a, 0x8c, 0x8b, 0x00, 0x6e, 0x00, 0x08, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+                                                       0x00, 0x6a, 0x00, 0x01, 0x78,
+                                               }),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
        }
        for _, tt := range tests {
                t.Run(tt.name, func(t *testing.T) {
@@ -1710,10 +1906,9 @@ func TestHandleDownloadFile(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        Server: &Server{},
@@ -1738,17 +1933,19 @@ func TestHandleDownloadFile(t *testing.T) {
                        name: "with a valid file",
                        args: args{
                                cc: &ClientConn{
-                                       Transfers: make(map[int][]*FileTransfer),
+                                       transfers: map[int]map[[4]byte]*FileTransfer{
+                                               FileDownload: {},
+                                       },
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessDownloadFile)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                        Server: &Server{
-                                               FileTransfers: make(map[uint32]*FileTransfer),
+                                               FS:            &OSFileStore{},
+                                               fileTransfers: map[[4]byte]*FileTransfer{},
                                                Config: &Config{
                                                        FileRoot: func() string { path, _ := os.Getwd(); return path + "/test/config/Files" }(),
                                                },
@@ -1766,7 +1963,7 @@ func TestHandleDownloadFile(t *testing.T) {
                                {
                                        Flags:     0x00,
                                        IsReply:   0x01,
-                                       Type:      []byte{0, 0x2},
+                                       Type:      []byte{0, 0},
                                        ID:        []byte{0x9a, 0xcb, 0x04, 0x42},
                                        ErrorCode: []byte{0, 0, 0, 0},
                                        Fields: []Field{
@@ -1779,12 +1976,100 @@ func TestHandleDownloadFile(t *testing.T) {
                        },
                        wantErr: assert.NoError,
                },
+               {
+                       name: "when client requests to resume 1k test file at offset 256",
+                       args: args{
+                               cc: &ClientConn{
+                                       transfers: map[int]map[[4]byte]*FileTransfer{
+                                               FileDownload: {},
+                                       }, Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessDownloadFile)
+                                                       return bits
+                                               }(),
+                                       },
+                                       Server: &Server{
+                                               FS: &OSFileStore{},
+
+                                               // FS: func() *MockFileStore {
+                                               //      path, _ := os.Getwd()
+                                               //      testFile, err := os.Open(path + "/test/config/Files/testfile-1k")
+                                               //      if err != nil {
+                                               //              panic(err)
+                                               //      }
+                                               //
+                                               //      mfi := &MockFileInfo{}
+                                               //      mfi.On("Mode").Return(fs.FileMode(0))
+                                               //      mfs := &MockFileStore{}
+                                               //      mfs.On("Stat", "/fakeRoot/Files/testfile.txt").Return(mfi, nil)
+                                               //      mfs.On("Open", "/fakeRoot/Files/testfile.txt").Return(testFile, nil)
+                                               //      mfs.On("Stat", "/fakeRoot/Files/.info_testfile.txt").Return(nil, errors.New("no"))
+                                               //      mfs.On("Stat", "/fakeRoot/Files/.rsrc_testfile.txt").Return(nil, errors.New("no"))
+                                               //
+                                               //      return mfs
+                                               // }(),
+                                               fileTransfers: map[[4]byte]*FileTransfer{},
+                                               Config: &Config{
+                                                       FileRoot: func() string { path, _ := os.Getwd(); return path + "/test/config/Files" }(),
+                                               },
+                                               Accounts: map[string]*Account{},
+                                       },
+                               },
+                               t: NewTransaction(
+                                       accessDownloadFile,
+                                       &[]byte{0, 1},
+                                       NewField(fieldFileName, []byte("testfile-1k")),
+                                       NewField(fieldFilePath, []byte{0x00, 0x00}),
+                                       NewField(
+                                               fieldFileResumeData,
+                                               func() []byte {
+                                                       frd := FileResumeData{
+                                                               Format:    [4]byte{},
+                                                               Version:   [2]byte{},
+                                                               RSVD:      [34]byte{},
+                                                               ForkCount: [2]byte{0, 2},
+                                                               ForkInfoList: []ForkInfoList{
+                                                                       {
+                                                                               Fork:     [4]byte{0x44, 0x41, 0x54, 0x41}, // "DATA"
+                                                                               DataSize: [4]byte{0, 0, 0x01, 0x00},       // request offset 256
+                                                                               RSVDA:    [4]byte{},
+                                                                               RSVDB:    [4]byte{},
+                                                                       },
+                                                                       {
+                                                                               Fork:     [4]byte{0x4d, 0x41, 0x43, 0x52}, // "MACR"
+                                                                               DataSize: [4]byte{0, 0, 0, 0},
+                                                                               RSVDA:    [4]byte{},
+                                                                               RSVDB:    [4]byte{},
+                                                                       },
+                                                               },
+                                                       }
+                                                       b, _ := frd.BinaryMarshal()
+                                                       return b
+                                               }(),
+                                       ),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0},
+                                       ID:        []byte{0x9a, 0xcb, 0x04, 0x42},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields: []Field{
+                                               NewField(fieldRefNum, []byte{0x52, 0xfd, 0xfc, 0x07}),
+                                               NewField(fieldWaitingCount, []byte{0x00, 0x00}),
+                                               NewField(fieldTransferSize, []byte{0x00, 0x00, 0x03, 0x8d}),
+                                               NewField(fieldFileSize, []byte{0x00, 0x00, 0x03, 0x00}),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
        }
        for _, tt := range tests {
                t.Run(tt.name, func(t *testing.T) {
-                       // reset the rand seed so that the random fieldRefNum will be deterministic
-                       rand.Seed(1)
-
                        gotRes, err := HandleDownloadFile(tt.args.cc, tt.args.t)
                        if !tt.wantErr(t, err, fmt.Sprintf("HandleDownloadFile(%v, %v)", tt.args.cc, tt.args.t)) {
                                return
@@ -1810,14 +2095,14 @@ func TestHandleUpdateUser(t *testing.T) {
                        name: "when action is create user without required permission",
                        args: args{
                                cc: &ClientConn{
+                                       logger: NewTestLogger(),
                                        Server: &Server{
                                                Logger: NewTestLogger(),
                                        },
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                },
@@ -1863,6 +2148,7 @@ func TestHandleUpdateUser(t *testing.T) {
                        name: "when action is modify user without required permission",
                        args: args{
                                cc: &ClientConn{
+                                       logger: NewTestLogger(),
                                        Server: &Server{
                                                Logger: NewTestLogger(),
                                                Accounts: map[string]*Account{
@@ -1870,10 +2156,9 @@ func TestHandleUpdateUser(t *testing.T) {
                                                },
                                        },
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                },
@@ -1919,17 +2204,16 @@ func TestHandleUpdateUser(t *testing.T) {
                        name: "when action is delete user without required permission",
                        args: args{
                                cc: &ClientConn{
+                                       logger: NewTestLogger(),
                                        Server: &Server{
-                                               Logger: NewTestLogger(),
                                                Accounts: map[string]*Account{
                                                        "bbb": {},
                                                },
                                        },
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                },
@@ -1987,10 +2271,9 @@ func TestHandleDelNewsArt(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                },
@@ -2041,10 +2324,9 @@ func TestHandleDisconnectUser(t *testing.T) {
                        args: args{
                                cc: &ClientConn{
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                },
@@ -2076,22 +2358,20 @@ func TestHandleDisconnectUser(t *testing.T) {
                                                        uint16(1): {
                                                                Account: &Account{
                                                                        Login: "unnamed",
-                                                                       Access: func() *[]byte {
+                                                                       Access: func() accessBitmap {
                                                                                var bits accessBitmap
                                                                                bits.Set(accessCannotBeDiscon)
-                                                                               access := bits[:]
-                                                                               return &access
+                                                                               return bits
                                                                        }(),
                                                                },
                                                        },
                                                },
                                        },
                                        Account: &Account{
-                                               Access: func() *[]byte {
+                                               Access: func() accessBitmap {
                                                        var bits accessBitmap
                                                        bits.Set(accessDisconUser)
-                                                       access := bits[:]
-                                                       return &access
+                                                       return bits
                                                }(),
                                        },
                                },
@@ -2138,16 +2418,54 @@ func TestHandleSendInstantMsg(t *testing.T) {
                wantRes []Transaction
                wantErr assert.ErrorAssertionFunc
        }{
+               {
+                       name: "without required permission",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       return bits
+                                               }(),
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranDelNewsArt,
+                                       &[]byte{0, 0},
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0x00},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 1},
+                                       Fields: []Field{
+                                               NewField(fieldError, []byte("You are not allowed to send private messages.")),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
                {
                        name: "when client 1 sends a message to client 2",
                        args: args{
                                cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessSendPrivMsg)
+                                                       return bits
+                                               }(),
+                                       },
                                        ID:       &[]byte{0, 1},
                                        UserName: []byte("User1"),
                                        Server: &Server{
                                                Clients: map[uint16]*ClientConn{
                                                        uint16(2): {
                                                                AutoReply: []byte(nil),
+                                                               Flags:     []byte{0, 0},
                                                        },
                                                },
                                        },
@@ -2172,7 +2490,7 @@ func TestHandleSendInstantMsg(t *testing.T) {
                                        clientID:  &[]byte{0, 1},
                                        Flags:     0x00,
                                        IsReply:   0x01,
-                                       Type:      []byte{0x0, 0x6c},
+                                       Type:      []byte{0, 0},
                                        ID:        []byte{0, 0, 0, 0},
                                        ErrorCode: []byte{0, 0, 0, 0},
                                        Fields:    []Field(nil),
@@ -2184,11 +2502,19 @@ func TestHandleSendInstantMsg(t *testing.T) {
                        name: "when client 2 has autoreply enabled",
                        args: args{
                                cc: &ClientConn{
-                                       ID:       &[]byte{0, 1},
-                                       UserName: []byte("User1"),
-                                       Server: &Server{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessSendPrivMsg)
+                                                       return bits
+                                               }(),
+                                       },
+                                       ID:       &[]byte{0, 1},
+                                       UserName: []byte("User1"),
+                                       Server: &Server{
                                                Clients: map[uint16]*ClientConn{
                                                        uint16(2): {
+                                                               Flags:     []byte{0, 0},
                                                                ID:        &[]byte{0, 2},
                                                                UserName:  []byte("User2"),
                                                                AutoReply: []byte("autohai"),
@@ -2224,7 +2550,58 @@ func TestHandleSendInstantMsg(t *testing.T) {
                                        clientID:  &[]byte{0, 1},
                                        Flags:     0x00,
                                        IsReply:   0x01,
-                                       Type:      []byte{0x0, 0x6c},
+                                       Type:      []byte{0, 0},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields:    []Field(nil),
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+               {
+                       name: "when client 2 has refuse private messages enabled",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessSendPrivMsg)
+                                                       return bits
+                                               }(),
+                                       },
+                                       ID:       &[]byte{0, 1},
+                                       UserName: []byte("User1"),
+                                       Server: &Server{
+                                               Clients: map[uint16]*ClientConn{
+                                                       uint16(2): {
+                                                               Flags:    []byte{255, 255},
+                                                               ID:       &[]byte{0, 2},
+                                                               UserName: []byte("User2"),
+                                                       },
+                                               },
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranSendInstantMsg,
+                                       &[]byte{0, 1},
+                                       NewField(fieldData, []byte("hai")),
+                                       NewField(fieldUserID, []byte{0, 2}),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               *NewTransaction(
+                                       tranServerMsg,
+                                       &[]byte{0, 1},
+                                       NewField(fieldData, []byte("User2 does not accept private messages.")),
+                                       NewField(fieldUserName, []byte("User2")),
+                                       NewField(fieldUserID, []byte{0, 2}),
+                                       NewField(fieldOptions, []byte{0, 2}),
+                               ),
+                               {
+                                       clientID:  &[]byte{0, 1},
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0},
                                        ID:        []byte{0, 0, 0, 0},
                                        ErrorCode: []byte{0, 0, 0, 0},
                                        Fields:    []Field(nil),
@@ -2244,3 +2621,1118 @@ func TestHandleSendInstantMsg(t *testing.T) {
                })
        }
 }
+
+func TestHandleDeleteFile(t *testing.T) {
+       type args struct {
+               cc *ClientConn
+               t  *Transaction
+       }
+       tests := []struct {
+               name    string
+               args    args
+               wantRes []Transaction
+               wantErr assert.ErrorAssertionFunc
+       }{
+               {
+                       name: "when user does not have required permission to delete a folder",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       return bits
+                                               }(),
+                                       },
+                                       Server: &Server{
+                                               Config: &Config{
+                                                       FileRoot: func() string {
+                                                               return "/fakeRoot/Files"
+                                                       }(),
+                                               },
+                                               FS: func() *MockFileStore {
+                                                       mfi := &MockFileInfo{}
+                                                       mfi.On("Mode").Return(fs.FileMode(0))
+                                                       mfi.On("Size").Return(int64(100))
+                                                       mfi.On("ModTime").Return(time.Parse(time.Layout, time.Layout))
+                                                       mfi.On("IsDir").Return(false)
+                                                       mfi.On("Name").Return("testfile")
+
+                                                       mfs := &MockFileStore{}
+                                                       mfs.On("Stat", "/fakeRoot/Files/aaa/testfile").Return(mfi, nil)
+                                                       mfs.On("Stat", "/fakeRoot/Files/aaa/.info_testfile").Return(nil, errors.New("err"))
+                                                       mfs.On("Stat", "/fakeRoot/Files/aaa/.rsrc_testfile").Return(nil, errors.New("err"))
+
+                                                       return mfs
+                                               }(),
+                                               Accounts: map[string]*Account{},
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranDeleteFile, &[]byte{0, 1},
+                                       NewField(fieldFileName, []byte("testfile")),
+                                       NewField(fieldFilePath, []byte{
+                                               0x00, 0x01,
+                                               0x00, 0x00,
+                                               0x03,
+                                               0x61, 0x61, 0x61,
+                                       }),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0x00},
+                                       ID:        []byte{0x9a, 0xcb, 0x04, 0x42},
+                                       ErrorCode: []byte{0, 0, 0, 1},
+                                       Fields: []Field{
+                                               NewField(fieldError, []byte("You are not allowed to delete files.")),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+               {
+                       name: "deletes all associated metadata files",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessDeleteFile)
+                                                       return bits
+                                               }(),
+                                       },
+                                       Server: &Server{
+                                               Config: &Config{
+                                                       FileRoot: func() string {
+                                                               return "/fakeRoot/Files"
+                                                       }(),
+                                               },
+                                               FS: func() *MockFileStore {
+                                                       mfi := &MockFileInfo{}
+                                                       mfi.On("Mode").Return(fs.FileMode(0))
+                                                       mfi.On("Size").Return(int64(100))
+                                                       mfi.On("ModTime").Return(time.Parse(time.Layout, time.Layout))
+                                                       mfi.On("IsDir").Return(false)
+                                                       mfi.On("Name").Return("testfile")
+
+                                                       mfs := &MockFileStore{}
+                                                       mfs.On("Stat", "/fakeRoot/Files/aaa/testfile").Return(mfi, nil)
+                                                       mfs.On("Stat", "/fakeRoot/Files/aaa/.info_testfile").Return(nil, errors.New("err"))
+                                                       mfs.On("Stat", "/fakeRoot/Files/aaa/.rsrc_testfile").Return(nil, errors.New("err"))
+
+                                                       mfs.On("RemoveAll", "/fakeRoot/Files/aaa/testfile").Return(nil)
+                                                       mfs.On("Remove", "/fakeRoot/Files/aaa/testfile.incomplete").Return(nil)
+                                                       mfs.On("Remove", "/fakeRoot/Files/aaa/.rsrc_testfile").Return(nil)
+                                                       mfs.On("Remove", "/fakeRoot/Files/aaa/.info_testfile").Return(nil)
+
+                                                       return mfs
+                                               }(),
+                                               Accounts: map[string]*Account{},
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranDeleteFile, &[]byte{0, 1},
+                                       NewField(fieldFileName, []byte("testfile")),
+                                       NewField(fieldFilePath, []byte{
+                                               0x00, 0x01,
+                                               0x00, 0x00,
+                                               0x03,
+                                               0x61, 0x61, 0x61,
+                                       }),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0},
+                                       ID:        []byte{0x0, 0x0, 0x0, 0x0},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields:    []Field(nil),
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+       }
+       for _, tt := range tests {
+               t.Run(tt.name, func(t *testing.T) {
+                       gotRes, err := HandleDeleteFile(tt.args.cc, tt.args.t)
+                       if !tt.wantErr(t, err, fmt.Sprintf("HandleDeleteFile(%v, %v)", tt.args.cc, tt.args.t)) {
+                               return
+                       }
+
+                       tranAssertEqual(t, tt.wantRes, gotRes)
+
+                       tt.args.cc.Server.FS.(*MockFileStore).AssertExpectations(t)
+               })
+       }
+}
+
+func TestHandleGetFileNameList(t *testing.T) {
+       type args struct {
+               cc *ClientConn
+               t  *Transaction
+       }
+       tests := []struct {
+               name    string
+               args    args
+               wantRes []Transaction
+               wantErr assert.ErrorAssertionFunc
+       }{
+               {
+                       name: "when fieldFilePath is a drop box, but user does not have accessViewDropBoxes ",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       return bits
+                                               }(),
+                                       },
+                                       Server: &Server{
+
+                                               Config: &Config{
+                                                       FileRoot: func() string {
+                                                               path, _ := os.Getwd()
+                                                               return filepath.Join(path, "/test/config/Files/getFileNameListTestDir")
+                                                       }(),
+                                               },
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranGetFileNameList, &[]byte{0, 1},
+                                       NewField(fieldFilePath, []byte{
+                                               0x00, 0x01,
+                                               0x00, 0x00,
+                                               0x08,
+                                               0x64, 0x72, 0x6f, 0x70, 0x20, 0x62, 0x6f, 0x78, // "drop box"
+                                       }),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0x00},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 1},
+                                       Fields: []Field{
+                                               NewField(fieldError, []byte("You are not allowed to view drop boxes.")),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+               {
+                       name: "with file root",
+                       args: args{
+                               cc: &ClientConn{
+                                       Server: &Server{
+                                               Config: &Config{
+                                                       FileRoot: func() string {
+                                                               path, _ := os.Getwd()
+                                                               return filepath.Join(path, "/test/config/Files/getFileNameListTestDir")
+                                                       }(),
+                                               },
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranGetFileNameList, &[]byte{0, 1},
+                                       NewField(fieldFilePath, []byte{
+                                               0x00, 0x00,
+                                               0x00, 0x00,
+                                       }),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields: []Field{
+                                               NewField(
+                                                       fieldFileNameWithInfo,
+                                                       func() []byte {
+                                                               fnwi := FileNameWithInfo{
+                                                                       fileNameWithInfoHeader: fileNameWithInfoHeader{
+                                                                               Type:       [4]byte{0x54, 0x45, 0x58, 0x54},
+                                                                               Creator:    [4]byte{0x54, 0x54, 0x58, 0x54},
+                                                                               FileSize:   [4]byte{0, 0, 0x04, 0},
+                                                                               RSVD:       [4]byte{},
+                                                                               NameScript: [2]byte{},
+                                                                               NameSize:   [2]byte{0, 0x0b},
+                                                                       },
+                                                                       name: []byte("testfile-1k"),
+                                                               }
+                                                               b, _ := fnwi.MarshalBinary()
+                                                               return b
+                                                       }(),
+                                               ),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+       }
+       for _, tt := range tests {
+               t.Run(tt.name, func(t *testing.T) {
+                       gotRes, err := HandleGetFileNameList(tt.args.cc, tt.args.t)
+                       if !tt.wantErr(t, err, fmt.Sprintf("HandleGetFileNameList(%v, %v)", tt.args.cc, tt.args.t)) {
+                               return
+                       }
+
+                       tranAssertEqual(t, tt.wantRes, gotRes)
+               })
+       }
+}
+
+func TestHandleGetClientInfoText(t *testing.T) {
+       type args struct {
+               cc *ClientConn
+               t  *Transaction
+       }
+       tests := []struct {
+               name    string
+               args    args
+               wantRes []Transaction
+               wantErr assert.ErrorAssertionFunc
+       }{
+               {
+                       name: "when user does not have required permission",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       return bits
+                                               }(),
+                                       },
+                                       Server: &Server{
+                                               Accounts: map[string]*Account{},
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranGetClientInfoText, &[]byte{0, 1},
+                                       NewField(fieldUserID, []byte{0, 1}),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0x00},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 1},
+                                       Fields: []Field{
+                                               NewField(fieldError, []byte("You are not allowed to get client info.")),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+               {
+                       name: "with a valid user",
+                       args: args{
+                               cc: &ClientConn{
+                                       UserName:   []byte("Testy McTest"),
+                                       RemoteAddr: "1.2.3.4:12345",
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessGetClientInfo)
+                                                       return bits
+                                               }(),
+                                               Name:  "test",
+                                               Login: "test",
+                                       },
+                                       Server: &Server{
+                                               Accounts: map[string]*Account{},
+                                               Clients: map[uint16]*ClientConn{
+                                                       uint16(1): {
+                                                               UserName:   []byte("Testy McTest"),
+                                                               RemoteAddr: "1.2.3.4:12345",
+                                                               Account: &Account{
+                                                                       Access: func() accessBitmap {
+                                                                               var bits accessBitmap
+                                                                               bits.Set(accessGetClientInfo)
+                                                                               return bits
+                                                                       }(),
+                                                                       Name:  "test",
+                                                                       Login: "test",
+                                                               },
+                                                       },
+                                               },
+                                       },
+                                       transfers: map[int]map[[4]byte]*FileTransfer{
+                                               FileDownload:   {},
+                                               FileUpload:     {},
+                                               FolderDownload: {},
+                                               FolderUpload:   {},
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranGetClientInfoText, &[]byte{0, 1},
+                                       NewField(fieldUserID, []byte{0, 1}),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields: []Field{
+                                               NewField(fieldData, []byte(
+                                                       strings.Replace(`Nickname:   Testy McTest
+Name:       test
+Account:    test
+Address:    1.2.3.4:12345
+
+-------- File Downloads ---------
+
+None.
+
+------- Folder Downloads --------
+
+None.
+
+--------- File Uploads ----------
+
+None.
+
+-------- Folder Uploads ---------
+
+None.
+
+------- Waiting Downloads -------
+
+None.
+
+`, "\n", "\r", -1)),
+                                               ),
+                                               NewField(fieldUserName, []byte("Testy McTest")),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+       }
+       for _, tt := range tests {
+               t.Run(tt.name, func(t *testing.T) {
+                       gotRes, err := HandleGetClientInfoText(tt.args.cc, tt.args.t)
+                       if !tt.wantErr(t, err, fmt.Sprintf("HandleGetClientInfoText(%v, %v)", tt.args.cc, tt.args.t)) {
+                               return
+                       }
+                       tranAssertEqual(t, tt.wantRes, gotRes)
+               })
+       }
+}
+
+func TestHandleTranAgreed(t *testing.T) {
+       type args struct {
+               cc *ClientConn
+               t  *Transaction
+       }
+       tests := []struct {
+               name    string
+               args    args
+               wantRes []Transaction
+               wantErr assert.ErrorAssertionFunc
+       }{
+               {
+                       name: "normal request flow",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessDisconUser)
+                                                       bits.Set(accessAnyName)
+                                                       return bits
+                                               }()},
+                                       Icon:    []byte{0, 1},
+                                       Flags:   []byte{0, 1},
+                                       Version: []byte{0, 1},
+                                       ID:      &[]byte{0, 1},
+                                       logger:  NewTestLogger(),
+                                       Server: &Server{
+                                               Config: &Config{
+                                                       BannerFile: "banner.jpg",
+                                               },
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranAgreed, nil,
+                                       NewField(fieldUserName, []byte("username")),
+                                       NewField(fieldUserIconID, []byte{0, 1}),
+                                       NewField(fieldOptions, []byte{0, 0}),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       clientID:  &[]byte{0, 1},
+                                       Flags:     0x00,
+                                       IsReply:   0x00,
+                                       Type:      []byte{0, 0x7a},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields: []Field{
+                                               NewField(fieldBannerType, []byte("JPEG")),
+                                       },
+                               },
+                               {
+                                       clientID:  &[]byte{0, 1},
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields:    []Field{},
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+       }
+       for _, tt := range tests {
+               t.Run(tt.name, func(t *testing.T) {
+                       gotRes, err := HandleTranAgreed(tt.args.cc, tt.args.t)
+                       if !tt.wantErr(t, err, fmt.Sprintf("HandleTranAgreed(%v, %v)", tt.args.cc, tt.args.t)) {
+                               return
+                       }
+                       tranAssertEqual(t, tt.wantRes, gotRes)
+               })
+       }
+}
+
+func TestHandleSetClientUserInfo(t *testing.T) {
+       type args struct {
+               cc *ClientConn
+               t  *Transaction
+       }
+       tests := []struct {
+               name    string
+               args    args
+               wantRes []Transaction
+               wantErr assert.ErrorAssertionFunc
+       }{
+               {
+                       name: "when client does not have accessAnyName",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       return bits
+                                               }(),
+                                       },
+                                       ID:       &[]byte{0, 1},
+                                       UserName: []byte("Guest"),
+                                       Flags:    []byte{0, 1},
+                                       Server: &Server{
+                                               Clients: map[uint16]*ClientConn{
+                                                       uint16(1): {
+                                                               ID: &[]byte{0, 1},
+                                                       },
+                                               },
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranSetClientUserInfo, nil,
+                                       NewField(fieldUserIconID, []byte{0, 1}),
+                                       NewField(fieldUserName, []byte("NOPE")),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       clientID:  &[]byte{0, 1},
+                                       Flags:     0x00,
+                                       IsReply:   0x00,
+                                       Type:      []byte{0x01, 0x2d},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields: []Field{
+                                               NewField(fieldUserID, []byte{0, 1}),
+                                               NewField(fieldUserIconID, []byte{0, 1}),
+                                               NewField(fieldUserFlags, []byte{0, 1}),
+                                               NewField(fieldUserName, []byte("Guest"))},
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+       }
+       for _, tt := range tests {
+               t.Run(tt.name, func(t *testing.T) {
+                       gotRes, err := HandleSetClientUserInfo(tt.args.cc, tt.args.t)
+                       if !tt.wantErr(t, err, fmt.Sprintf("HandleSetClientUserInfo(%v, %v)", tt.args.cc, tt.args.t)) {
+                               return
+                       }
+
+                       tranAssertEqual(t, tt.wantRes, gotRes)
+               })
+       }
+}
+
+func TestHandleDelNewsItem(t *testing.T) {
+       type args struct {
+               cc *ClientConn
+               t  *Transaction
+       }
+       tests := []struct {
+               name    string
+               args    args
+               wantRes []Transaction
+               wantErr assert.ErrorAssertionFunc
+       }{
+               {
+                       name: "when user does not have permission to delete a news category",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: accessBitmap{},
+                                       },
+                                       ID: &[]byte{0, 1},
+                                       Server: &Server{
+                                               ThreadedNews: &ThreadedNews{Categories: map[string]NewsCategoryListData15{
+                                                       "test": {
+                                                               Type:     []byte{0, 3},
+                                                               Count:    nil,
+                                                               NameSize: 0,
+                                                               Name:     "zz",
+                                                       },
+                                               }},
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranDelNewsItem, nil,
+                                       NewField(fieldNewsPath,
+                                               []byte{
+                                                       0, 1,
+                                                       0, 0,
+                                                       4,
+                                                       0x74, 0x65, 0x73, 0x74,
+                                               },
+                                       ),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       clientID:  &[]byte{0, 1},
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0x00},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 1},
+                                       Fields: []Field{
+                                               NewField(fieldError, []byte("You are not allowed to delete news categories.")),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+               {
+                       name: "when user does not have permission to delete a news folder",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: accessBitmap{},
+                                       },
+                                       ID: &[]byte{0, 1},
+                                       Server: &Server{
+                                               ThreadedNews: &ThreadedNews{Categories: map[string]NewsCategoryListData15{
+                                                       "testcat": {
+                                                               Type:     []byte{0, 2},
+                                                               Count:    nil,
+                                                               NameSize: 0,
+                                                               Name:     "test",
+                                                       },
+                                               }},
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranDelNewsItem, nil,
+                                       NewField(fieldNewsPath,
+                                               []byte{
+                                                       0, 1,
+                                                       0, 0,
+                                                       4,
+                                                       0x74, 0x65, 0x73, 0x74,
+                                               },
+                                       ),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       clientID:  &[]byte{0, 1},
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0x00},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 1},
+                                       Fields: []Field{
+                                               NewField(fieldError, []byte("You are not allowed to delete news folders.")),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+               {
+                       name: "when user deletes a news folder",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessNewsDeleteFldr)
+                                                       return bits
+                                               }(),
+                                       },
+                                       ID: &[]byte{0, 1},
+                                       Server: &Server{
+                                               ConfigDir: "/fakeConfigRoot",
+                                               FS: func() *MockFileStore {
+                                                       mfs := &MockFileStore{}
+                                                       mfs.On("WriteFile", "/fakeConfigRoot/ThreadedNews.yaml", mock.Anything, mock.Anything).Return(nil, os.ErrNotExist)
+                                                       return mfs
+                                               }(),
+                                               ThreadedNews: &ThreadedNews{Categories: map[string]NewsCategoryListData15{
+                                                       "testcat": {
+                                                               Type:     []byte{0, 2},
+                                                               Count:    nil,
+                                                               NameSize: 0,
+                                                               Name:     "test",
+                                                       },
+                                               }},
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranDelNewsItem, nil,
+                                       NewField(fieldNewsPath,
+                                               []byte{
+                                                       0, 1,
+                                                       0, 0,
+                                                       4,
+                                                       0x74, 0x65, 0x73, 0x74,
+                                               },
+                                       ),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       clientID:  &[]byte{0, 1},
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields:    []Field{},
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+       }
+       for _, tt := range tests {
+               t.Run(tt.name, func(t *testing.T) {
+                       gotRes, err := HandleDelNewsItem(tt.args.cc, tt.args.t)
+                       if !tt.wantErr(t, err, fmt.Sprintf("HandleDelNewsItem(%v, %v)", tt.args.cc, tt.args.t)) {
+                               return
+                       }
+                       tranAssertEqual(t, tt.wantRes, gotRes)
+               })
+       }
+}
+
+func TestHandleDownloadBanner(t *testing.T) {
+       type args struct {
+               cc *ClientConn
+               t  *Transaction
+       }
+       tests := []struct {
+               name    string
+               args    args
+               wantRes []Transaction
+               wantErr assert.ErrorAssertionFunc
+       }{
+               {
+                       name: "returns expected response",
+                       args: args{
+                               cc: &ClientConn{
+                                       ID: &[]byte{0, 1},
+                                       transfers: map[int]map[[4]byte]*FileTransfer{
+                                               bannerDownload: {},
+                                       },
+                                       Server: &Server{
+                                               ConfigDir: "/config",
+                                               Config: &Config{
+                                                       BannerFile: "banner.jpg",
+                                               },
+                                               fileTransfers: map[[4]byte]*FileTransfer{},
+                                               FS: func() *MockFileStore {
+                                                       mfi := &MockFileInfo{}
+                                                       mfi.On("Size").Return(int64(100))
+
+                                                       mfs := &MockFileStore{}
+                                                       mfs.On("Stat", "/config/banner.jpg").Return(mfi, nil)
+                                                       return mfs
+                                               }(),
+                                       },
+                               },
+                               t: NewTransaction(tranDownloadBanner, nil),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       clientID:  &[]byte{0, 1},
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields: []Field{
+                                               NewField(fieldRefNum, []byte{1, 2, 3, 4}),
+                                               NewField(fieldTransferSize, []byte{0, 0, 0, 0x64}),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+       }
+       for _, tt := range tests {
+               t.Run(tt.name, func(t *testing.T) {
+                       gotRes, err := HandleDownloadBanner(tt.args.cc, tt.args.t)
+                       if !tt.wantErr(t, err, fmt.Sprintf("HandleDownloadBanner(%v, %v)", tt.args.cc, tt.args.t)) {
+                               return
+                       }
+
+                       tranAssertEqual(t, tt.wantRes, gotRes)
+               })
+       }
+}
+
+func TestHandleTranOldPostNews(t *testing.T) {
+       type args struct {
+               cc *ClientConn
+               t  *Transaction
+       }
+       tests := []struct {
+               name    string
+               args    args
+               wantRes []Transaction
+               wantErr assert.ErrorAssertionFunc
+       }{
+               {
+                       name: "when user does not have required permission",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       return bits
+                                               }(),
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranOldPostNews, &[]byte{0, 1},
+                                       NewField(fieldData, []byte("hai")),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0x00},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 1},
+                                       Fields: []Field{
+                                               NewField(fieldError, []byte("You are not allowed to post news.")),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+               {
+                       name: "when user posts news update",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessNewsPostArt)
+                                                       return bits
+                                               }(),
+                                       },
+                                       Server: &Server{
+                                               FS: func() *MockFileStore {
+                                                       mfs := &MockFileStore{}
+                                                       mfs.On("WriteFile", "/fakeConfigRoot/MessageBoard.txt", mock.Anything, mock.Anything).Return(nil, os.ErrNotExist)
+                                                       return mfs
+                                               }(),
+                                               ConfigDir: "/fakeConfigRoot",
+                                               Config:    &Config{},
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranOldPostNews, &[]byte{0, 1},
+                                       NewField(fieldData, []byte("hai")),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+       }
+       for _, tt := range tests {
+               t.Run(tt.name, func(t *testing.T) {
+                       gotRes, err := HandleTranOldPostNews(tt.args.cc, tt.args.t)
+                       if !tt.wantErr(t, err, fmt.Sprintf("HandleTranOldPostNews(%v, %v)", tt.args.cc, tt.args.t)) {
+                               return
+                       }
+
+                       tranAssertEqual(t, tt.wantRes, gotRes)
+               })
+       }
+}
+
+func TestHandleInviteNewChat(t *testing.T) {
+       type args struct {
+               cc *ClientConn
+               t  *Transaction
+       }
+       tests := []struct {
+               name    string
+               args    args
+               wantRes []Transaction
+               wantErr assert.ErrorAssertionFunc
+       }{
+               {
+                       name: "when user does not have required permission",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       return bits
+                                               }(),
+                                       },
+                               },
+                               t: NewTransaction(tranInviteNewChat, &[]byte{0, 1}),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0x00},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 1},
+                                       Fields: []Field{
+                                               NewField(fieldError, []byte("You are not allowed to request private chat.")),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+               {
+                       name: "when userA invites userB to new private chat",
+                       args: args{
+                               cc: &ClientConn{
+                                       ID: &[]byte{0, 1},
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessOpenChat)
+                                                       return bits
+                                               }(),
+                                       },
+                                       UserName: []byte("UserA"),
+                                       Icon:     []byte{0, 1},
+                                       Flags:    []byte{0, 0},
+                                       Server: &Server{
+                                               Clients: map[uint16]*ClientConn{
+                                                       uint16(2): {
+                                                               ID:       &[]byte{0, 2},
+                                                               UserName: []byte("UserB"),
+                                                               Flags:    []byte{0, 0},
+                                                       },
+                                               },
+                                               PrivateChats: make(map[uint32]*PrivateChat),
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranInviteNewChat, &[]byte{0, 1},
+                                       NewField(fieldUserID, []byte{0, 2}),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       clientID:  &[]byte{0, 2},
+                                       Flags:     0x00,
+                                       IsReply:   0x00,
+                                       Type:      []byte{0, 0x71},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields: []Field{
+                                               NewField(fieldChatID, []byte{0x52, 0xfd, 0xfc, 0x07}),
+                                               NewField(fieldUserName, []byte("UserA")),
+                                               NewField(fieldUserID, []byte{0, 1}),
+                                       },
+                               },
+
+                               {
+                                       clientID:  &[]byte{0, 1},
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields: []Field{
+                                               NewField(fieldChatID, []byte{0x52, 0xfd, 0xfc, 0x07}),
+                                               NewField(fieldUserName, []byte("UserA")),
+                                               NewField(fieldUserID, []byte{0, 1}),
+                                               NewField(fieldUserIconID, []byte{0, 1}),
+                                               NewField(fieldUserFlags, []byte{0, 0}),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+               {
+                       name: "when userA invites userB to new private chat, but UserB has refuse private chat enabled",
+                       args: args{
+                               cc: &ClientConn{
+                                       ID: &[]byte{0, 1},
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       bits.Set(accessOpenChat)
+                                                       return bits
+                                               }(),
+                                       },
+                                       UserName: []byte("UserA"),
+                                       Icon:     []byte{0, 1},
+                                       Flags:    []byte{0, 0},
+                                       Server: &Server{
+                                               Clients: map[uint16]*ClientConn{
+                                                       uint16(2): {
+                                                               ID:       &[]byte{0, 2},
+                                                               UserName: []byte("UserB"),
+                                                               Flags:    []byte{255, 255},
+                                                       },
+                                               },
+                                               PrivateChats: make(map[uint32]*PrivateChat),
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranInviteNewChat, &[]byte{0, 1},
+                                       NewField(fieldUserID, []byte{0, 2}),
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       clientID:  &[]byte{0, 1},
+                                       Flags:     0x00,
+                                       IsReply:   0x00,
+                                       Type:      []byte{0, 0x68},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields: []Field{
+                                               NewField(fieldData, []byte("UserB does not accept private chats.")),
+                                               NewField(fieldUserName, []byte("UserB")),
+                                               NewField(fieldUserID, []byte{0, 2}),
+                                               NewField(fieldOptions, []byte{0, 2}),
+                                       },
+                               },
+                               {
+                                       clientID:  &[]byte{0, 1},
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0},
+                                       ID:        []byte{0, 0, 0, 0},
+                                       ErrorCode: []byte{0, 0, 0, 0},
+                                       Fields: []Field{
+                                               NewField(fieldChatID, []byte{0x52, 0xfd, 0xfc, 0x07}),
+                                               NewField(fieldUserName, []byte("UserA")),
+                                               NewField(fieldUserID, []byte{0, 1}),
+                                               NewField(fieldUserIconID, []byte{0, 1}),
+                                               NewField(fieldUserFlags, []byte{0, 0}),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+       }
+       for _, tt := range tests {
+               t.Run(tt.name, func(t *testing.T) {
+                       rand.Seed(1)
+                       gotRes, err := HandleInviteNewChat(tt.args.cc, tt.args.t)
+                       if !tt.wantErr(t, err, fmt.Sprintf("HandleInviteNewChat(%v, %v)", tt.args.cc, tt.args.t)) {
+                               return
+                       }
+                       tranAssertEqual(t, tt.wantRes, gotRes)
+               })
+       }
+}
+
+func TestHandleGetNewsArtData(t *testing.T) {
+       type args struct {
+               cc *ClientConn
+               t  *Transaction
+       }
+       tests := []struct {
+               name    string
+               args    args
+               wantRes []Transaction
+               wantErr assert.ErrorAssertionFunc
+       }{
+               {
+                       name: "when user does not have required permission",
+                       args: args{
+                               cc: &ClientConn{
+                                       Account: &Account{
+                                               Access: func() accessBitmap {
+                                                       var bits accessBitmap
+                                                       return bits
+                                               }(),
+                                       },
+                                       Server: &Server{
+                                               Accounts: map[string]*Account{},
+                                       },
+                               },
+                               t: NewTransaction(
+                                       tranGetNewsArtData, &[]byte{0, 1},
+                               ),
+                       },
+                       wantRes: []Transaction{
+                               {
+                                       Flags:     0x00,
+                                       IsReply:   0x01,
+                                       Type:      []byte{0, 0x00},
+                                       ID:        []byte{0x9a, 0xcb, 0x04, 0x42},
+                                       ErrorCode: []byte{0, 0, 0, 1},
+                                       Fields: []Field{
+                                               NewField(fieldError, []byte("You are not allowed to read news.")),
+                                       },
+                               },
+                       },
+                       wantErr: assert.NoError,
+               },
+       }
+       for _, tt := range tests {
+               t.Run(tt.name, func(t *testing.T) {
+                       gotRes, err := HandleGetNewsArtData(tt.args.cc, tt.args.t)
+                       if !tt.wantErr(t, err, fmt.Sprintf("HandleGetNewsArtData(%v, %v)", tt.args.cc, tt.args.t)) {
+                               return
+                       }
+                       tranAssertEqual(t, tt.wantRes, gotRes)
+               })
+       }
+}