Function testServerSideMove

fs/sync/sync_test.go:1720–1790

Test a server-side move if possible, or the backup path if not

(ctx context.Context, t *testing.T, r *fstest.Run, withFilter, testDeleteEmptyDirs bool)

// Test a server-side move if possible, or the backup path if not
func testServerSideMove(ctx context.Context, t *testing.T, r *fstest.Run, withFilter, testDeleteEmptyDirs bool) {
	FremoteMove, _, finaliseMove, err := fstest.RandomRemote()
	require.NoError(t, err)
	defer finaliseMove()

	file1 := r.WriteBoth(ctx, "potato2", "------------------------------------------------------------", t1)
	file2 := r.WriteBoth(ctx, "empty space", "-", t2)
	file3u := r.WriteBoth(ctx, "potato3", "------------------------------------------------------------ UPDATED", t2)

	if testDeleteEmptyDirs {
		err := operations.Mkdir(ctx, r.Fremote, "tomatoDir")
		require.NoError(t, err)
	}

	r.CheckRemoteItems(t, file2, file1, file3u)

	t.Logf("Server side move (if possible) %v -> %v", r.Fremote, FremoteMove)

	// Write just one file in the new remote
	r.WriteObjectTo(ctx, FremoteMove, "empty space", "-", t2, false)
	file3 := r.WriteObjectTo(ctx, FremoteMove, "potato3", "------------------------------------------------------------", t1, false)
	fstest.CheckItems(t, FremoteMove, file2, file3)

	// Do server-side move
	accounting.GlobalStats().ResetCounters()
	// ctx = predictDstFromLogger(ctx) // not currently supported -- doesn't list all contents of dir.
	err = MoveDir(ctx, FremoteMove, r.Fremote, testDeleteEmptyDirs, false)
	require.NoError(t, err)
	// testLoggerVsLsf(ctx, r.Fremote, r.Flocal, operations.GetLoggerOpt(ctx).JSON, t)

	if withFilter {
		r.CheckRemoteItems(t, file2)
	} else {
		r.CheckRemoteItems(t)
	}

	if testDeleteEmptyDirs {
		r.CheckRemoteListing(t, nil, []string{})
	}

	fstest.CheckItems(t, FremoteMove, file2, file1, file3u)

	// Create a new empty remote for stuff to be moved into
	FremoteMove2, _, finaliseMove2, err := fstest.RandomRemote()
	require.NoError(t, err)
	defer finaliseMove2()

	if testDeleteEmptyDirs {
		err := operations.Mkdir(ctx, FremoteMove, "tomatoDir")
		require.NoError(t, err)
	}

	// Move it back to a new empty remote, dst does not exist this time
	accounting.GlobalStats().ResetCounters()
	// ctx = predictDstFromLogger(ctx)
	err = MoveDir(ctx, FremoteMove2, FremoteMove, testDeleteEmptyDirs, false)
	require.NoError(t, err)
	// testLoggerVsLsf(ctx, r.Fremote, r.Flocal, operations.GetLoggerOpt(ctx).JSON, t)