Function TestMoveCopy

backend/union/union_internal_test.go:85–165

This specifically tests a union of local which can Move but not Copy and :memory: which can Copy but not Move to makes sure that the resulting union can Move

(t *testing.T)

// Copy and :memory: which can Copy but not Move to makes sure that
// the resulting union can Move
func TestMoveCopy(t *testing.T) {
	if *fstest.RemoteName != "" {
		t.Skip("Skipping as -remote set")
	}
	ctx := context.Background()
	dirs := MakeTestDirs(t, 1)
	fsString := fmt.Sprintf(":union,upstreams='%s :memory:bucket':", dirs[0])
	f, err := fs.NewFs(ctx, fsString)
	require.NoError(t, err)

	unionFs := f.(*Fs)
	fLocal := unionFs.upstreams[0].Fs
	fMemory := unionFs.upstreams[1].Fs

	if runtime.GOOS == "darwin" {
		// need to disable as this test specifically tests a local that can't Copy
		f.Features().Disable("Copy")
		fLocal.Features().Disable("Copy")
	}

	t.Run("Features", func(t *testing.T) {
		assert.NotNil(t, f.Features().Move)
		assert.Nil(t, f.Features().Copy)

		// Check underlying are as we are expect
		assert.NotNil(t, fLocal.Features().Move)
		assert.Nil(t, fLocal.Features().Copy)
		assert.Nil(t, fMemory.Features().Move)
		assert.NotNil(t, fMemory.Features().Copy)
	})

	// Put a file onto the local fs
	contentsLocal := random.String(50)
	fileLocal := fstest.NewItem("local.txt", contentsLocal, time.Now())
	_ = fstests.PutTestContents(ctx, t, fLocal, &fileLocal, contentsLocal, true)
	objLocal, err := f.NewObject(ctx, fileLocal.Path)
	require.NoError(t, err)

	// Put a file onto the memory fs
	contentsMemory := random.String(60)
	fileMemory := fstest.NewItem("memory.txt", contentsMemory, time.Now())
	_ = fstests.PutTestContents(ctx, t, fMemory, &fileMemory, contentsMemory, true)
	objMemory, err := f.NewObject(ctx, fileMemory.Path)
	require.NoError(t, err)

	fstest.CheckListing(t, f, []fstest.Item{fileLocal, fileMemory})

	t.Run("MoveLocal", func(t *testing.T) {
		fileLocal.Path = "local-renamed.txt"
		_, err := operations.Move(ctx, f, nil, fileLocal.Path, objLocal)
		require.NoError(t, err)
		fstest.CheckListing(t, f, []fstest.Item{fileLocal, fileMemory})

		// Check can retrieve object from union
		obj, err := f.NewObject(ctx, fileLocal.Path)
		require.NoError(t, err)
		assert.Equal(t, fileLocal.Size, obj.Size())