| 15 | } |
| 16 | |
| 17 | func TestWriter_Sync(t *testing.T) { |
| 18 | t.Parallel() |
| 19 | |
| 20 | newWriter := func(w io.Writer) *testWriter { |
| 21 | tw := &testWriter{ |
| 22 | w: New(w), |
| 23 | } |
| 24 | tw.w.errorf = func(f string, v ...interface{}) { |
| 25 | tw.errors++ |
| 26 | } |
| 27 | return tw |
| 28 | } |
| 29 | |
| 30 | t.Run("nonSyncWriter", func(t *testing.T) { |
| 31 | t.Parallel() |
| 32 | |
| 33 | tw := newWriter(nil) |
| 34 | tw.w.Sync("test") |
| 35 | assert.Equal(t, "errors", 0, tw.errors) |
| 36 | }) |
| 37 | |
| 38 | t.Run("syncWriter", func(t *testing.T) { |
| 39 | t.Parallel() |
| 40 | |
| 41 | tw := newWriter(syncWriter{ |
| 42 | wf: func([]byte) (int, error) { |
| 43 | return 0, io.EOF |
| 44 | }, |
| 45 | sf: func() error { |
| 46 | return io.EOF |
| 47 | }, |
| 48 | }) |
| 49 | tw.w.Write("hello", nil) |
| 50 | assert.Equal(t, "errors", 1, tw.errors) |
| 51 | tw.w.Sync("test") |
| 52 | assert.Equal(t, "errors", 2, tw.errors) |
| 53 | }) |
| 54 | |
| 55 | t.Run("stdout", func(t *testing.T) { |
| 56 | t.Parallel() |
| 57 | |
| 58 | tw := newWriter(os.Stdout) |
| 59 | tw.w.Sync("test") |
| 60 | assert.Equal(t, "errors", 0, tw.errors) |
| 61 | }) |
| 62 | |
| 63 | t.Run("errorf", func(t *testing.T) { |
| 64 | t.Parallel() |
| 65 | |
| 66 | sw := New(syncWriter{ |
| 67 | wf: func([]byte) (int, error) { |
| 68 | return 0, io.EOF |
| 69 | }, |
| 70 | sf: func() error { |
| 71 | return io.EOF |
| 72 | }, |
| 73 | }) |
| 74 | sw.Write("hello", nil) |