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test: Update test case (#37436)

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二货爱吃白萝卜 2022-09-07 13:27:46 +08:00 committed by GitHub
parent 133d899097
commit 6c9a022ea7
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1 changed files with 9 additions and 6 deletions
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15
components/affix/__tests__/Affix.test.tsx
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@ -65,6 +65,11 @@ describe('Affix Render', () => {
} as DOMRect,
};
beforeEach(() => {
const entities = getObserverEntities();
entities.splice(0, entities.length);
});
beforeAll(() => {
domMock.mockImplementation(function fn(this: HTMLElement) {
return (
@ -171,22 +176,20 @@ describe('Affix Render', () => {
});
it('instance change', async () => {
const getObserverLength = () => Object.keys(getObserverEntities()).length;
const container = document.createElement('div');
document.body.appendChild(container);
let target: HTMLDivElement | null = container;
const originLength = getObserverLength();
const getTarget = () => target;
const { rerender } = render(<Affix target={getTarget}>{null}</Affix>);
await sleep(100);
expect(getObserverEntities()).toHaveLength(1);
expect(getObserverEntities()[0].target).toBe(container);
expect(getObserverLength()).toBe(originLength + 1);
target = null;
rerender(<Affix>{null}</Affix>);
await sleep(100);
expect(getObserverLength()).toBe(originLength);
expect(getObserverEntities()).toHaveLength(1);
expect(getObserverEntities()[0].target).toBe(window);
});
});