feat: add basic jest support (#35080)

PR Close #35080

packages/zone.js/test/jest/jest-zone.js

@@ -0,0 +1,2 @@
+require('../../../../dist/bin/packages/zone.js/npm_package/dist/zone');
+require('../../../../dist/bin/packages/zone.js/npm_package/dist/zone-testing');

packages/zone.js/test/jest/jest.config.js

@@ -0,0 +1,3 @@
+module.exports = {
+  setupFilesAfterEnv: ['./jest-zone.js']
+};

packages/zone.js/test/jest/jest.spec.js

@@ -0,0 +1,39 @@
+function assertInsideProxyZone() {
+  expect(Zone.current.name).toEqual('ProxyZone');
+}
+function assertInsideSyncDescribeZone() {
+  expect(Zone.current.name).toEqual('syncTestZone for jest.describe');
+}
+describe('describe', () => {
+  assertInsideSyncDescribeZone();
+  beforeEach(() => { assertInsideProxyZone(); });
+  beforeAll(() => { assertInsideProxyZone(); });
+  afterEach(() => { assertInsideProxyZone(); });
+  afterAll(() => { assertInsideProxyZone(); });
+});
+describe.each([[1, 2]])('describe.each', (arg1, arg2) => {
+  assertInsideSyncDescribeZone();
+  expect(arg1).toBe(1);
+  expect(arg2).toBe(2);
+});
+describe('test', () => {
+  it('it', () => { assertInsideProxyZone(); });
+  it.each([[1, 2]])('it.each', (arg1, arg2) => {
+    assertInsideProxyZone();
+    expect(arg1).toBe(1);
+    expect(arg2).toBe(2);
+  });
+  test('test', () => { assertInsideProxyZone(); });
+  test.each([[]])('test.each', () => { assertInsideProxyZone(); });
+});
+
+it('it', () => { assertInsideProxyZone(); });
+it.each([[1, 2]])('it.each', (arg1, arg2) => {
+  assertInsideProxyZone();
+  expect(arg1).toBe(1);
+  expect(arg2).toBe(2);
+});
+test('test', () => { assertInsideProxyZone(); });
+test.each([[]])('test.each', () => { assertInsideProxyZone(); });
+
+test.todo('todo');