TempFile returns the name of a temporary file that does not exist.
(t *testing.T, dir, pattern string)
| 10 | |
| 11 | // TempFile returns the name of a temporary file that does not exist. |
| 12 | func TempFile(t *testing.T, dir, pattern string) string { |
| 13 | t.Helper() |
| 14 | |
| 15 | if dir == "" { |
| 16 | dir = t.TempDir() |
| 17 | } |
| 18 | f, err := os.CreateTemp(dir, pattern) |
| 19 | require.NoError(t, err, "create temp file") |
| 20 | name := f.Name() |
| 21 | err = f.Close() |
| 22 | require.NoError(t, err, "close temp file") |
| 23 | err = os.Remove(name) |
| 24 | require.NoError(t, err, "remove temp file") |
| 25 | |
| 26 | t.Cleanup(func() { |
| 27 | // The test might have created created and it may have already removed it, |
| 28 | // so we ignore the error. |
| 29 | _ = os.Remove(name) |
| 30 | }) |
| 31 | |
| 32 | return name |
| 33 | } |
| 34 | |
| 35 | // CreateTemp is a convenience function for creating a temporary file, like |
| 36 | // os.CreateTemp, but it also registers a cleanup function to close and remove |