(t *testing.T)
| 29 | } |
| 30 | |
| 31 | func TestRotatingFile_Rotate(t *testing.T) { |
| 32 | t.Parallel() |
| 33 | dir := t.TempDir() |
| 34 | path := filepath.Join(dir, "test.log") |
| 35 | |
| 36 | rf, err := NewRotatingFile(path, WithMaxSize(50), WithMaxBackups(2)) |
| 37 | require.NoError(t, err) |
| 38 | defer rf.Close() |
| 39 | |
| 40 | // Write enough data to trigger rotation |
| 41 | data := make([]byte, 30) |
| 42 | for i := range data { |
| 43 | data[i] = 'a' |
| 44 | } |
| 45 | |
| 46 | _, err = rf.Write(data) |
| 47 | require.NoError(t, err) |
| 48 | |
| 49 | // This write should trigger rotation |
| 50 | _, err = rf.Write(data) |
| 51 | require.NoError(t, err) |
| 52 | |
| 53 | // Check that backup file was created |
| 54 | _, err = os.Stat(path + ".1") |
| 55 | require.NoError(t, err, "backup file should exist") |
| 56 | |
| 57 | // Original file should have new content |
| 58 | content, err := os.ReadFile(path) |
| 59 | require.NoError(t, err) |
| 60 | assert.Equal(t, data, content) |
| 61 | |
| 62 | // Backup should have old content |
| 63 | backup, err := os.ReadFile(path + ".1") |
| 64 | require.NoError(t, err) |
| 65 | assert.Equal(t, data, backup) |
| 66 | } |
| 67 | |
| 68 | func TestRotatingFile_MaxBackups(t *testing.T) { |
| 69 | t.Parallel() |
nothing calls this directly
no test coverage detected