| 54 | } |
| 55 | |
| 56 | func TestMultiFileCache(t *testing.T) { |
| 57 | prevConf := conf.Conf |
| 58 | t.Cleanup(func() { |
| 59 | conf.Conf = prevConf |
| 60 | }) |
| 61 | conf.Conf = &conf.Config{} |
| 62 | f := hybrid_cache.MultiFileStore{} |
| 63 | defer f.Close() |
| 64 | t.Run("ReadAt", func(t *testing.T) { |
| 65 | _, err := f.ReadAt(make([]byte, 1), 20) |
| 66 | if err != nil && !errors.Is(err, io.EOF) { |
| 67 | t.Error(err) |
| 68 | } |
| 69 | }) |
| 70 | t.Run("WriteAt", func(t *testing.T) { |
| 71 | err := f.GrowTo(15) |
| 72 | if err != nil { |
| 73 | t.Errorf("truncate err=%v", err) |
| 74 | return |
| 75 | } |
| 76 | n, err := f.WriteAt([]byte("abc"), 10) |
| 77 | if err != nil { |
| 78 | t.Errorf("write n=%d err=%v", n, err) |
| 79 | return |
| 80 | } |
| 81 | |
| 82 | err = f.GrowTo(30) |
| 83 | if err != nil { |
| 84 | t.Errorf("truncate err=%v", err) |
| 85 | return |
| 86 | } |
| 87 | _, _ = f.WriteAt([]byte("123"), 15) |
| 88 | |
| 89 | b := append(make([]byte, 17), []byte("def")...) |
| 90 | b[0] = 'a' |
| 91 | rn, rerr := f.ReadAt(b, 8) |
| 92 | if rn != len(b) || rerr != nil { |
| 93 | t.Fatalf("read n=%d err=%v", rn, rerr) |
| 94 | } |
| 95 | want := []byte{0, 0, 'a', 'b', 'c', 0, 0, '1', '2', '3'} |
| 96 | want = append(want, make([]byte, 10)...) |
| 97 | if !bytes.Equal(b, want) { |
| 98 | t.Fatalf("unexpected content: got %v want %v", b, want) |
| 99 | } |
| 100 | }) |
| 101 | } |