(t *testing.T)
| 39 | } |
| 40 | |
| 41 | func TestGetOrCreateDeviceID(t *testing.T) { |
| 42 | t.Run("creates new ID on first call", func(t *testing.T) { |
| 43 | tmpDir := t.TempDir() |
| 44 | t.Cleanup(stubStateDir(tmpDir)) |
| 45 | |
| 46 | id, err := getOrCreateDeviceID() |
| 47 | require.NoError(t, err) |
| 48 | require.NotEmpty(t, id) |
| 49 | |
| 50 | data, err := os.ReadFile(filepath.Join(tmpDir, deviceIDFileName)) |
| 51 | require.NoError(t, err) |
| 52 | assert.Equal(t, id, string(data)) |
| 53 | }) |
| 54 | |
| 55 | t.Run("returns same ID on subsequent calls", func(t *testing.T) { |
| 56 | tmpDir := t.TempDir() |
| 57 | t.Cleanup(stubStateDir(tmpDir)) |
| 58 | |
| 59 | id1, err := getOrCreateDeviceID() |
| 60 | require.NoError(t, err) |
| 61 | |
| 62 | id2, err := getOrCreateDeviceID() |
| 63 | require.NoError(t, err) |
| 64 | |
| 65 | assert.Equal(t, id1, id2) |
| 66 | }) |
| 67 | |
| 68 | t.Run("trims whitespace from stored ID", func(t *testing.T) { |
| 69 | tmpDir := t.TempDir() |
| 70 | t.Cleanup(stubStateDir(tmpDir)) |
| 71 | |
| 72 | err := os.WriteFile(filepath.Join(tmpDir, deviceIDFileName), []byte(" some-device-id\n"), 0o600) |
| 73 | require.NoError(t, err) |
| 74 | |
| 75 | id, err := getOrCreateDeviceID() |
| 76 | require.NoError(t, err) |
| 77 | assert.Equal(t, "some-device-id", id) |
| 78 | }) |
| 79 | |
| 80 | t.Run("returns error for non-ErrNotExist read failures", func(t *testing.T) { |
| 81 | tmpDir := t.TempDir() |
| 82 | t.Cleanup(stubStateDir(tmpDir)) |
| 83 | |
| 84 | // Create device-id as a directory so ReadFile fails with a non-ErrNotExist error. |
| 85 | err := os.Mkdir(filepath.Join(tmpDir, deviceIDFileName), 0o755) |
| 86 | require.NoError(t, err) |
| 87 | |
| 88 | _, err = getOrCreateDeviceID() |
| 89 | require.Error(t, err) |
| 90 | assert.False(t, errors.Is(err, os.ErrNotExist)) |
| 91 | }) |
| 92 | |
| 93 | t.Run("creates state directory if missing", func(t *testing.T) { |
| 94 | tmpDir := t.TempDir() |
| 95 | nestedDir := filepath.Join(tmpDir, "nested", "state") |
| 96 | t.Cleanup(stubStateDir(nestedDir)) |
| 97 | |
| 98 | id, err := getOrCreateDeviceID() |
nothing calls this directly
no test coverage detected