git.r.bdr.sh - rbdr/mobius/blob - hotline/server_blackbox_test.go

   1 package hotline
   2
   3 import (
   4         "encoding/hex"
   5         "github.com/stretchr/testify/assert"
   6         "log/slog"
   7         "os"
   8         "testing"
   9 )
  10
  11 func NewTestLogger() *slog.Logger {
  12         return slog.New(slog.NewTextHandler(os.Stdout, nil))
  13 }
  14
  15 // assertTransferBytesEqual takes a string with a hexdump in the same format that `hexdump -C` produces and compares with
  16 // a hexdump for the bytes in got, after stripping the create/modify timestamps.
  17 // I don't love this, but as git does not  preserve file create/modify timestamps, we either need to fully mock the
  18 // filesystem interactions or work around in this way.
  19 // TODO: figure out a better solution
  20 func assertTransferBytesEqual(t *testing.T, wantHexDump string, got []byte) bool {
  21         if wantHexDump == "" {
  22                 return true
  23         }
  24
  25         var clean []byte
  26         clean = append(clean, got[:92]...)         // keep the first 92 bytes
  27         clean = append(clean, make([]byte, 16)...) // replace the next 16 bytes for create/modify timestamps
  28         clean = append(clean, got[108:]...)        // keep the rest
  29
  30         return assert.Equal(t, wantHexDump, hex.Dump(clean))
  31 }
  32
  33 // tranAssertEqual compares equality of transactions slices after stripping out the random transaction ID
  34 func tranAssertEqual(t *testing.T, tran1, tran2 []Transaction) bool {
  35         var newT1 []Transaction
  36         var newT2 []Transaction
  37
  38         for _, trans := range tran1 {
  39                 trans.ID = [4]byte{0, 0, 0, 0}
  40                 var fs []Field
  41                 for _, field := range trans.Fields {
  42                         if field.ID == [2]byte{0x00, 0x6b} { // FieldRefNum
  43                                 continue
  44                         }
  45                         if field.ID == [2]byte{0x00, 0x72} { // FieldChatID
  46                                 continue
  47                         }
  48                         trans.Fields = append(trans.Fields, field)
  49                 }
  50                 trans.Fields = fs
  51                 newT1 = append(newT1, trans)
  52         }
  53
  54         for _, trans := range tran2 {
  55                 trans.ID = [4]byte{0, 0, 0, 0}
  56                 var fs []Field
  57                 for _, field := range trans.Fields {
  58                         if field.ID == [2]byte{0x00, 0x6b} { // FieldRefNum
  59                                 continue
  60                         }
  61                         if field.ID == [2]byte{0x00, 0x72} { // FieldChatID
  62                                 continue
  63                         }
  64                         trans.Fields = append(trans.Fields, field)
  65                 }
  66                 trans.Fields = fs
  67                 newT2 = append(newT2, trans)
  68         }
  69
  70         return assert.Equal(t, newT1, newT2)
  71 }