(t *testing.T)
| 57 | } |
| 58 | |
| 59 | func TestDataFile_ReadLogRecord(t *testing.T) { |
| 60 | dataFile, err := OpenDataFile(os.TempDir(), 123, DefaultFileSize, fileio.FileIOType) |
| 61 | assert.Nil(t, err) |
| 62 | assert.NotNil(t, dataFile) |
| 63 | |
| 64 | // There is only one LogRecord |
| 65 | record1 := &LogRecord{ |
| 66 | Key: []byte("name"), |
| 67 | Value: []byte("flydb"), |
| 68 | Type: LogRecordNormal, |
| 69 | } |
| 70 | buf1, size := EncodeLogRecord(record1) |
| 71 | err = dataFile.Write(buf1) |
| 72 | assert.Nil(t, err) |
| 73 | |
| 74 | readRec1, readSize1, err := dataFile.ReadLogRecord(0) |
| 75 | assert.Nil(t, err) |
| 76 | assert.Equal(t, size, readSize1) |
| 77 | assert.Equal(t, record1, readRec1) |
| 78 | |
| 79 | // Multiple logrecords are read from different locations |
| 80 | record2 := &LogRecord{ |
| 81 | Key: []byte("name"), |
| 82 | Value: []byte("bitcask-kv"), |
| 83 | Type: LogRecordNormal, |
| 84 | } |
| 85 | buf2, size2 := EncodeLogRecord(record2) |
| 86 | err = dataFile.Write(buf2) |
| 87 | assert.Nil(t, err) |
| 88 | readRec2, readSize2, err := dataFile.ReadLogRecord(16) |
| 89 | assert.Equal(t, size2, readSize2) |
| 90 | assert.Equal(t, record2, readRec2) |
| 91 | |
| 92 | // The deleted data is at the end of the data file |
| 93 | record3 := &LogRecord{ |
| 94 | Key: []byte("name"), |
| 95 | Value: []byte("delete-data"), |
| 96 | Type: LogRecordNormal, |
| 97 | } |
| 98 | buf3, size3 := EncodeLogRecord(record3) |
| 99 | err = dataFile.Write(buf3) |
| 100 | assert.Nil(t, err) |
| 101 | readRec3, readSize3, err := dataFile.ReadLogRecord(size + size2) |
| 102 | assert.Equal(t, size3, readSize3) |
| 103 | assert.Equal(t, record3, readRec3) |
| 104 | |
| 105 | } |
nothing calls this directly
no test coverage detected