| 38 | } |
| 39 | |
| 40 | func TestConvertToRaw(t *testing.T) { |
| 41 | _, err := exec.LookPath("qemu-img") |
| 42 | if err != nil { |
| 43 | t.Skipf("qemu-img does not seem installed: %v", err) |
| 44 | } |
| 45 | tmpDir := t.TempDir() |
| 46 | ctx := t.Context() |
| 47 | |
| 48 | qcowImage, err := os.Create(filepath.Join(tmpDir, "qcow.img")) |
| 49 | assert.NilError(t, err) |
| 50 | defer qcowImage.Close() |
| 51 | err = createImg(ctx, qcowImage.Name(), "qcow2", "1M") |
| 52 | assert.NilError(t, err) |
| 53 | |
| 54 | rawImage, err := os.Create(filepath.Join(tmpDir, "raw.img")) |
| 55 | assert.NilError(t, err) |
| 56 | defer rawImage.Close() |
| 57 | err = createImg(ctx, rawImage.Name(), "raw", "1M") |
| 58 | assert.NilError(t, err) |
| 59 | |
| 60 | rawImageExtended, err := os.Create(filepath.Join(tmpDir, "raw_extended.img")) |
| 61 | assert.NilError(t, err) |
| 62 | defer rawImageExtended.Close() |
| 63 | err = createImg(ctx, rawImageExtended.Name(), "raw", "2M") |
| 64 | assert.NilError(t, err) |
| 65 | |
| 66 | t.Run("qcow without backing file", func(t *testing.T) { |
| 67 | resultImage := filepath.Join(tmpDir, strings.ReplaceAll(strings.ReplaceAll(t.Name(), string(os.PathSeparator), "_"), "/", "_")) |
| 68 | |
| 69 | err = convertTo(raw.Type, qcowImage.Name(), resultImage, nil, false) |
| 70 | assert.NilError(t, err) |
| 71 | assertFileEquals(t, rawImage.Name(), resultImage) |
| 72 | }) |
| 73 | |
| 74 | t.Run("qcow with backing file", func(t *testing.T) { |
| 75 | resultImage := filepath.Join(tmpDir, strings.ReplaceAll(strings.ReplaceAll(t.Name(), string(os.PathSeparator), "_"), "/", "_")) |
| 76 | |
| 77 | err = convertTo(raw.Type, qcowImage.Name(), resultImage, nil, true) |
| 78 | assert.NilError(t, err) |
| 79 | assertFileEquals(t, rawImage.Name(), resultImage) |
| 80 | }) |
| 81 | |
| 82 | t.Run("qcow with extra size", func(t *testing.T) { |
| 83 | resultImage := filepath.Join(tmpDir, strings.ReplaceAll(strings.ReplaceAll(t.Name(), string(os.PathSeparator), "_"), "/", "_")) |
| 84 | |
| 85 | size := int64(2_097_152) // 2mb |
| 86 | err = convertTo(raw.Type, qcowImage.Name(), resultImage, &size, false) |
| 87 | assert.NilError(t, err) |
| 88 | assertFileEquals(t, rawImageExtended.Name(), resultImage) |
| 89 | }) |
| 90 | |
| 91 | t.Run("raw", func(t *testing.T) { |
| 92 | resultImage := filepath.Join(tmpDir, strings.ReplaceAll(strings.ReplaceAll(t.Name(), string(os.PathSeparator), "_"), "/", "_")) |
| 93 | |
| 94 | err = convertTo(raw.Type, rawImage.Name(), resultImage, nil, false) |
| 95 | assert.NilError(t, err) |
| 96 | assertFileEquals(t, rawImage.Name(), resultImage) |
| 97 | }) |