1 files changed, 171 insertions, 0 deletions
diff --git a/hotline/file_wrapper_test.go b/hotline/file_wrapper_test.go
new file mode 100644
index 0000000..45fac94
--- /dev/null
+++ b/hotline/file_wrapper_test.go
@@ -0,0 +1,171 @@
+package hotline
+
+import (
+	"errors"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+)
+
+func TestFile_DataFile(t *testing.T) {
+	t.Run("returns file info when data file exists", func(t *testing.T) {
+		mfs := &MockFileStore{}
+		mfi := &MockFileInfo{}
+
+		f := &File{
+			fs:             mfs,
+			Name:           "testfile.txt",
+			dataPath:       "/files/testfile.txt",
+			incompletePath: "/files/testfile.txt.incomplete",
+		}
+
+		mfs.On("Stat", "/files/testfile.txt").Return(mfi, nil)
+
+		fi, err := f.DataFile()
+
+		assert.NoError(t, err)
+		assert.Equal(t, mfi, fi)
+		mfs.AssertExpectations(t)
+	})
+
+	t.Run("returns file info from incomplete file when data file not found", func(t *testing.T) {
+		mfs := &MockFileStore{}
+		mfi := &MockFileInfo{}
+
+		f := &File{
+			fs:             mfs,
+			Name:           "testfile.txt",
+			dataPath:       "/files/testfile.txt",
+			incompletePath: "/files/testfile.txt.incomplete",
+		}
+
+		mfs.On("Stat", "/files/testfile.txt").Return(nil, os.ErrNotExist)
+		mfs.On("Stat", "/files/testfile.txt.incomplete").Return(mfi, nil)
+
+		fi, err := f.DataFile()
+
+		assert.NoError(t, err)
+		assert.Equal(t, mfi, fi)
+		mfs.AssertExpectations(t)
+	})
+
+	t.Run("returns error when neither data file nor incomplete file exists", func(t *testing.T) {
+		mfs := &MockFileStore{}
+
+		f := &File{
+			fs:             mfs,
+			Name:           "testfile.txt",
+			dataPath:       "/files/testfile.txt",
+			incompletePath: "/files/testfile.txt.incomplete",
+		}
+
+		mfs.On("Stat", "/files/testfile.txt").Return(nil, os.ErrNotExist)
+		mfs.On("Stat", "/files/testfile.txt.incomplete").Return(nil, os.ErrNotExist)
+
+		fi, err := f.DataFile()
+
+		assert.Nil(t, fi)
+		assert.EqualError(t, err, "file or directory not found")
+		mfs.AssertExpectations(t)
+	})
+}
+
+func TestFile_Move(t *testing.T) {
+	t.Run("succeeds when data rename works and meta files do not exist", func(t *testing.T) {
+		mfs := &MockFileStore{}
+
+		f := &File{
+			fs:             mfs,
+			Name:           "testfile.txt",
+			dataPath:       "/files/testfile.txt",
+			incompletePath: "/files/testfile.txt.incomplete",
+			rsrcPath:       "/files/.rsrc_testfile.txt",
+			infoPath:       "/files/.info_testfile.txt",
+		}
+
+		newPath := "/dest"
+
+		mfs.On("Rename", "/files/testfile.txt", "/dest/testfile.txt").Return(nil)
+		mfs.On("Rename", "/files/testfile.txt.incomplete", "/dest/testfile.txt.incomplete").Return(os.ErrNotExist)
+		mfs.On("Rename", "/files/.rsrc_testfile.txt", "/dest/.rsrc_testfile.txt").Return(os.ErrNotExist)
+		mfs.On("Rename", "/files/.info_testfile.txt", "/dest/.info_testfile.txt").Return(os.ErrNotExist)
+
+		err := f.Move(newPath)
+
+		assert.NoError(t, err)
+		mfs.AssertExpectations(t)
+	})
+
+	t.Run("returns error when data file rename fails", func(t *testing.T) {
+		mfs := &MockFileStore{}
+
+		f := &File{
+			fs:             mfs,
+			Name:           "testfile.txt",
+			dataPath:       "/files/testfile.txt",
+			incompletePath: "/files/testfile.txt.incomplete",
+			rsrcPath:       "/files/.rsrc_testfile.txt",
+			infoPath:       "/files/.info_testfile.txt",
+		}
+
+		renameErr := errors.New("permission denied")
+		mfs.On("Rename", "/files/testfile.txt", "/dest/testfile.txt").Return(renameErr)
+
+		err := f.Move("/dest")
+
+		assert.ErrorIs(t, err, renameErr)
+		// Meta file renames should not have been called.
+		mfs.AssertNotCalled(t, "Rename", mock.Anything, "/dest/testfile.txt.incomplete")
+		mfs.AssertExpectations(t)
+	})
+}
+
+func TestFile_Delete(t *testing.T) {
+	t.Run("succeeds when RemoveAll works and meta files do not exist", func(t *testing.T) {
+		mfs := &MockFileStore{}
+
+		f := &File{
+			fs:             mfs,
+			Name:           "testfile.txt",
+			dataPath:       "/files/testfile.txt",
+			incompletePath: "/files/testfile.txt.incomplete",
+			rsrcPath:       "/files/.rsrc_testfile.txt",
+			infoPath:       "/files/.info_testfile.txt",
+		}
+
+		mfs.On("RemoveAll", "/files/testfile.txt").Return(nil)
+		mfs.On("Remove", "/files/testfile.txt.incomplete").Return(os.ErrNotExist)
+		mfs.On("Remove", "/files/.rsrc_testfile.txt").Return(os.ErrNotExist)
+		mfs.On("Remove", "/files/.info_testfile.txt").Return(os.ErrNotExist)
+
+		err := f.Delete()
+
+		assert.NoError(t, err)
+		mfs.AssertExpectations(t)
+	})
+
+	t.Run("returns error when RemoveAll fails", func(t *testing.T) {
+		mfs := &MockFileStore{}
+
+		f := &File{
+			fs:             mfs,
+			Name:           "testfile.txt",
+			dataPath:       "/files/testfile.txt",
+			incompletePath: "/files/testfile.txt.incomplete",
+			rsrcPath:       "/files/.rsrc_testfile.txt",
+			infoPath:       "/files/.info_testfile.txt",
+		}
+
+		removeErr := errors.New("permission denied")
+		mfs.On("RemoveAll", "/files/testfile.txt").Return(removeErr)
+
+		err := f.Delete()
+
+		assert.ErrorIs(t, err, removeErr)
+		// Meta file removes should not have been called.
+		mfs.AssertNotCalled(t, "Remove", mock.Anything)
+		mfs.AssertExpectations(t)
+	})
+}