package vfs import ( "context" "io" "os" "testing" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) func TestDirHandleMethods(t *testing.T) { _, _, dir, _ := dirCreate(t) h, err := dir.Open(os.O_RDONLY) require.NoError(t, err) fh, ok := h.(*DirHandle) assert.True(t, ok) // String assert.Equal(t, "dir/ (r)", fh.String()) assert.Equal(t, "", (*DirHandle)(nil).String()) assert.Equal(t, "", newDirHandle(nil).String()) // Stat fi, err := fh.Stat() require.NoError(t, err) assert.Equal(t, dir, fi) // Node assert.Equal(t, dir, fh.Node()) // Close require.NoError(t, h.Close()) assert.Equal(t, []os.FileInfo(nil), fh.fis) } func TestDirHandleReaddir(t *testing.T) { r, vfs := newTestVFS(t) file1 := r.WriteObject(context.Background(), "dir/file1", "file1 contents", t1) file2 := r.WriteObject(context.Background(), "dir/file2", "file2- contents", t2) file3 := r.WriteObject(context.Background(), "dir/subdir/file3", "file3-- contents", t3) r.CheckRemoteItems(t, file1, file2, file3) node, err := vfs.Stat("dir") require.NoError(t, err) dir := node.(*Dir) // Read in one chunk fh, err := dir.Open(os.O_RDONLY) require.NoError(t, err) fis, err := fh.Readdir(-1) require.NoError(t, err) require.Equal(t, 3, len(fis)) assert.Equal(t, "file1", fis[0].Name()) assert.Equal(t, "file2", fis[1].Name()) assert.Equal(t, "subdir", fis[2].Name()) assert.False(t, fis[0].IsDir()) assert.False(t, fis[1].IsDir()) assert.True(t, fis[2].IsDir()) require.NoError(t, fh.Close()) // Read in multiple chunks fh, err = dir.Open(os.O_RDONLY) require.NoError(t, err) fis, err = fh.Readdir(2) require.NoError(t, err) require.Equal(t, 2, len(fis)) assert.Equal(t, "file1", fis[0].Name()) assert.Equal(t, "file2", fis[1].Name()) assert.False(t, fis[0].IsDir()) assert.False(t, fis[1].IsDir()) fis, err = fh.Readdir(2) require.NoError(t, err) require.Equal(t, 1, len(fis)) assert.Equal(t, "subdir", fis[0].Name()) assert.True(t, fis[0].IsDir()) fis, err = fh.Readdir(2) assert.Equal(t, io.EOF, err) require.Equal(t, 0, len(fis)) require.NoError(t, fh.Close()) } func TestDirHandleReaddirnames(t *testing.T) { _, _, dir, _ := dirCreate(t) fh, err := dir.Open(os.O_RDONLY) require.NoError(t, err) // Smoke test only since heavy lifting done in Readdir fis, err := fh.Readdirnames(-1) require.NoError(t, err) require.Equal(t, 1, len(fis)) assert.Equal(t, "file1", fis[0]) require.NoError(t, fh.Close()) }