(t *testing.T)
| 63 | } |
| 64 | |
| 65 | func TestGetOrCreateDeviceID(t *testing.T) { |
| 66 | t.Run("creates new ID on first call", func(t *testing.T) { |
| 67 | tmpDir := t.TempDir() |
| 68 | t.Cleanup(stubStateDir(tmpDir)) |
| 69 | |
| 70 | id, err := getOrCreateDeviceID() |
| 71 | require.NoError(t, err) |
| 72 | require.NotEmpty(t, id) |
| 73 | |
| 74 | data, err := os.ReadFile(filepath.Join(tmpDir, deviceIDFileName)) |
| 75 | require.NoError(t, err) |
| 76 | assert.Equal(t, id, string(data)) |
| 77 | }) |
| 78 | |
| 79 | t.Run("returns same ID on subsequent calls", func(t *testing.T) { |
| 80 | tmpDir := t.TempDir() |
| 81 | t.Cleanup(stubStateDir(tmpDir)) |
| 82 | |
| 83 | id1, err := getOrCreateDeviceID() |
| 84 | require.NoError(t, err) |
| 85 | |
| 86 | id2, err := getOrCreateDeviceID() |
| 87 | require.NoError(t, err) |
| 88 | |
| 89 | assert.Equal(t, id1, id2) |
| 90 | }) |
| 91 | |
| 92 | t.Run("trims whitespace from stored ID", func(t *testing.T) { |
| 93 | tmpDir := t.TempDir() |
| 94 | t.Cleanup(stubStateDir(tmpDir)) |
| 95 | |
| 96 | err := os.WriteFile(filepath.Join(tmpDir, deviceIDFileName), []byte(" some-device-id\n"), 0o600) |
| 97 | require.NoError(t, err) |
| 98 | |
| 99 | id, err := getOrCreateDeviceID() |
| 100 | require.NoError(t, err) |
| 101 | assert.Equal(t, "some-device-id", id) |
| 102 | }) |
| 103 | |
| 104 | t.Run("returns error for non-ErrNotExist read failures", func(t *testing.T) { |
| 105 | tmpDir := t.TempDir() |
| 106 | t.Cleanup(stubStateDir(tmpDir)) |
| 107 | |
| 108 | // Create device-id as a directory so ReadFile fails with a non-ErrNotExist error. |
| 109 | err := os.Mkdir(filepath.Join(tmpDir, deviceIDFileName), 0o755) |
| 110 | require.NoError(t, err) |
| 111 | |
| 112 | _, err = getOrCreateDeviceID() |
| 113 | require.Error(t, err) |
| 114 | assert.False(t, errors.Is(err, os.ErrNotExist)) |
| 115 | }) |
| 116 | |
| 117 | t.Run("creates state directory if missing", func(t *testing.T) { |
| 118 | tmpDir := t.TempDir() |
| 119 | nestedDir := filepath.Join(tmpDir, "nested", "state") |
| 120 | t.Cleanup(stubStateDir(nestedDir)) |
| 121 | |
| 122 | id, err := getOrCreateDeviceID() |
nothing calls this directly
no test coverage detected