test(zone.js): vitest patch for testing (#68395)

Test `fakeAsync` API in Vitest when Zone.js `vitest` patch applied.

PR Close #68395

.github/workflows/ci.yml

@@ -188,6 +188,7 @@ jobs:
       - run: pnpm -C packages/zone.js jest:test
       - run: pnpm -C packages/zone.js jest:nodetest
       - run: pnpm -C packages/zone.js vitest:test
+      - run: pnpm -C packages/zone.js vitest-globals:test
       - run: pnpm -C packages/zone.js electrontest
       - run: pnpm -C packages/zone.js/test/typings test
 

.github/workflows/pr.yml

@@ -174,5 +174,6 @@ jobs:
       - run: pnpm -C packages/zone.js jest:test
       - run: pnpm -C packages/zone.js jest:nodetest
       - run: pnpm -C packages/zone.js vitest:test
+      - run: pnpm -C packages/zone.js vitest-globals:test
       - run: pnpm -C packages/zone.js electrontest
       - run: pnpm -C packages/zone.js/test/typings test

packages/zone.js/package.json

@@ -35,7 +35,8 @@
     "electrontest": "cd test/extra && node electron.js",
     "jest:test": "jest --config ./test/jest/jest.config.js",
     "jest:nodetest": "jest --config ./test/jest/jest.node.config.js",
-    "vitest:test": "vitest ./test/vitest/vitest.spec.js",
+    "vitest:test": "vitest ./test/vitest/*.spec.js --exclude ./test/vitest/*-globals.spec.js",
+    "vitest-globals:test": "vitest ./test/vitest/*-globals.spec.js --globals",
     "promisefinallytest": "mocha ./test/promise/promise.finally.spec.mjs",
     "release": "node tools/release.mts"
   },

packages/zone.js/test/vitest/vitest-patch-globals.spec.js

@@ -0,0 +1,58 @@
+require('../../../../dist/bin/packages/zone.js/npm_package/bundles/zone.umd.js');
+require('../../../../dist/bin/packages/zone.js/npm_package/bundles/zone-testing.umd.js');
+
+// Apply the Vitest patch (i.e. `patchVitest`).
+require('../../../../dist/bin/packages/zone.js/npm_package/bundles/vitest-patch.umd.js');
+
+const {fakeAsync, tick} = Zone[Zone.__symbol__('fakeAsyncTest')];
+
+describe('patchVitest `describe`', () => {
+  test('verify that the patch is installed', () => {
+    expect(globalThis['vitest']['__zone_patch__']).toBe(true);
+  });
+
+  // Expect `beforeEach` to be patched and working with `fakeAsync`.
+  beforeEach(fakeAsync(() => {
+    expect(createAsyncTesterFlag()).toBe(true);
+  }));
+
+  // Expect `afterEach` to be patched and working with `fakeAsync`.
+  afterEach(fakeAsync(() => {
+    expect(createAsyncTesterFlag()).toBe(true);
+  }));
+
+  // Expect `beforeAll` to be patched and working with `fakeAsync`.
+  beforeAll(fakeAsync(() => {
+    expect(createAsyncTesterFlag()).toBe(true);
+  }));
+
+  // Expect `afterAll` to be patched and working with `fakeAsync`.
+  afterAll(fakeAsync(() => {
+    expect(createAsyncTesterFlag()).toBe(true);
+  }));
+
+  it('expect `it` to be patched and working with `fakeAsync`', fakeAsync(() => {
+    expect(createAsyncTesterFlag()).toBe(true);
+  }));
+
+  test('expect `it` to be patched and working with `fakeAsync`', fakeAsync(() => {
+    expect(createAsyncTesterFlag()).toBe(true);
+  }));
+});
+
+suite('patchVitest `suite`', () => {
+  it('should work with a patched `suite`', fakeAsync(() => {
+    expect(createAsyncTesterFlag()).toBe(true);
+  }));
+});
+
+function createAsyncTesterFlag() {
+  let flag = false;
+  setTimeout(() => {
+    flag = true;
+  }, 100);
+
+  tick(110);
+
+  return flag;
+}