ant-design/components/input/__tests__/focus.test.tsx
叶枫 502dac12aa
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2024-04-08 14:04:08 +08:00

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TypeScript

import React from 'react';
import { spyElementPrototypes } from 'rc-util/lib/test/domHook';
import Input from '..';
import { fireEvent, render } from '../../../tests/utils';
import type { InputRef } from '../Input';
import type { TextAreaRef } from '../TextArea';
const { TextArea } = Input;
describe('Input.Focus', () => {
let inputSpy: ReturnType<typeof spyElementPrototypes>;
let textareaSpy: ReturnType<typeof spyElementPrototypes>;
let focus: ReturnType<typeof jest.fn>;
let setSelectionRange: ReturnType<typeof jest.fn>;
beforeEach(() => {
focus = jest.fn();
setSelectionRange = jest.fn();
inputSpy = spyElementPrototypes(HTMLInputElement, {
focus,
setSelectionRange,
});
textareaSpy = spyElementPrototypes(HTMLTextAreaElement, {
focus,
setSelectionRange,
});
});
afterEach(() => {
inputSpy.mockRestore();
textareaSpy.mockRestore();
});
it('start', () => {
const ref = React.createRef<InputRef>();
render(<TextArea ref={ref} defaultValue="light" />);
ref.current!.focus({ cursor: 'start' });
expect(focus).toHaveBeenCalled();
expect(setSelectionRange).toHaveBeenCalledWith(expect.anything(), 0, 0);
});
it('end', () => {
const ref = React.createRef<InputRef>();
render(<TextArea ref={ref} defaultValue="light" />);
ref.current!.focus({ cursor: 'end' });
expect(focus).toHaveBeenCalled();
expect(setSelectionRange).toHaveBeenCalledWith(expect.anything(), 5, 5);
});
it('all', () => {
const ref = React.createRef<TextAreaRef>();
render(<TextArea ref={ref} defaultValue="light" />);
ref.current!.focus({ cursor: 'all' });
expect(focus).toHaveBeenCalled();
expect(setSelectionRange).toHaveBeenCalledWith(expect.anything(), 0, 5);
});
it('disabled should reset focus', () => {
const { rerender, container } = render(<Input allowClear />);
fireEvent.focus(container.querySelector('input')!);
expect(container.querySelector('.ant-input-affix-wrapper-focused')).toBeTruthy();
rerender(<Input allowClear disabled />);
expect(container.querySelector('.ant-input-affix-wrapper-focused')).toBeFalsy();
});
});