| 23 | } |
| 24 | |
| 25 | func TestFileChanged(t *testing.T) { |
| 26 | filePath := "test_file" |
| 27 | f, err := os.Create(filePath) |
| 28 | assert.NoError(t, err) |
| 29 | defer func() { |
| 30 | f.Close() |
| 31 | os.Remove(filePath) |
| 32 | }() |
| 33 | |
| 34 | service, err := NewFile() |
| 35 | assert.NoError(t, err) |
| 36 | |
| 37 | err = service.Add(filePath) |
| 38 | assert.NoError(t, err) |
| 39 | |
| 40 | n := &mockNotifier{} |
| 41 | go service.Start(n) |
| 42 | |
| 43 | f.Sync() |
| 44 | |
| 45 | w := bufio.NewWriter(f) |
| 46 | _, err = w.WriteString("hello Austin, do you like my file watcher?\n") |
| 47 | assert.NoError(t, err) |
| 48 | err = w.Flush() |
| 49 | assert.NoError(t, err) |
| 50 | |
| 51 | // give it time to trigger |
| 52 | time.Sleep(20 * time.Millisecond) |
| 53 | service.Shutdown() |
| 54 | |
| 55 | assert.Equal(t, filePath, n.eventPath, "notifier didn't get an new file write event") |
| 56 | } |