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fix(cdk/testing): propagate task state to child environments #33924

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fix(cdk/testing): propagate task state to child environments #33924

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20 changes: 11 additions & 9 deletions src/cdk/testing/tests/testbed.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -62,16 +62,12 @@ describe('TestbedHarnessEnvironment', () => {
});

describe('harness', () => {
let harness: MainComponentHarness;

beforeEach(async () => {
harness = await TestbedHarnessEnvironment.harnessForFixture(
fixture,
MainComponentHarness,
);
});
function getHarness() {
return TestbedHarnessEnvironment.harnessForFixture(fixture, MainComponentHarness);
}

it('can get elements outside of host', async () => {
const harness = await getHarness();
const subcomponents = await harness.allLists();
expect(subcomponents[0]).not.toBeNull();
const globalEl = await subcomponents[0]!.globalElement();
Expand All @@ -80,23 +76,29 @@ describe('TestbedHarnessEnvironment', () => {
});

it('should be able to wait for tasks outside of Angular within native async/await', async () => {
const harness = await getHarness();
expect(await harness.getTaskStateResult()).toBe('result');
});

it('should be able to wait for tasks outside of Angular within async test zone', waitForAsync(() => {
it('should be able to wait for tasks outside of Angular within async test zone', waitForAsync(async () => {
const harness = await getHarness();
harness.getTaskStateResult().then(res => expect(res).toBe('result'));
}));

it('should be able to wait for tasks outside of Angular within fakeAsync test zone', fakeAsync(async () => {
const harness = await getHarness();

expect(await harness.getTaskStateResult()).toBe('result');
}));

it('should be able to retrieve the native DOM element from a UnitTestElement', async () => {
const harness = await getHarness();
const element = TestbedHarnessEnvironment.getNativeElement(await harness.host());
expect(element.id).toContain('root');
});

it('should wait for async operation to complete in fakeAsync test', fakeAsync(async () => {
const harness = await getHarness();
const asyncCounter = await harness.asyncCounter();
expect(await asyncCounter.text()).toBe('5');
await harness.increaseCounter(3);
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