Improve tracking of animated components. (#12618)

2026-04-20 10:10:56 -07:00 · 2025-11-05 16:20:04 -08:00
parent fb0768f007
commit 224a33db2e
7 changed files with 141 additions and 11 deletions
@@ -0,0 +1,24 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { render } from '../../test-utils/render.js';
+import { CliSpinner } from './CliSpinner.js';
+import { debugState } from '../debug.js';
+import { describe, it, expect, beforeEach } from 'vitest';
+
+describe('<CliSpinner />', () => {
+  beforeEach(() => {
+    debugState.debugNumAnimatedComponents = 0;
+  });
+
+  it('should increment debugNumAnimatedComponents on mount and decrement on unmount', () => {
+    expect(debugState.debugNumAnimatedComponents).toBe(0);
+    const { unmount } = render(<CliSpinner />);
+    expect(debugState.debugNumAnimatedComponents).toBe(1);
+    unmount();
+    expect(debugState.debugNumAnimatedComponents).toBe(0);
+  });
+});