bc518174
 王天杨
提交两个项目文件
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import { act } from '@testing-library/react';
import { addMonths, startOfMonth } from 'date-fns';
import { DayPickerProps } from 'DayPicker';
import { renderDayPickerHook } from 'test/render';
import { freezeBeforeAll } from 'test/utils';
import { NavigationState, useNavigationState } from './useNavigationState';
const today = new Date(2021, 11, 8);
freezeBeforeAll(today);
function renderHook(props: Partial<DayPickerProps> = {}) {
return renderDayPickerHook<NavigationState>(useNavigationState, props);
}
describe('when goToMonth is called', () => {
test('should set the month in state', () => {
const onMonthChange = jest.fn();
const result = renderHook({ onMonthChange });
const month = addMonths(today, 2);
act(() => result.current[1](month));
expect(result.current[0]).toEqual(startOfMonth(month));
expect(onMonthChange).toHaveBeenCalledWith(startOfMonth(month));
});
describe('when navigation is disabled', () => {
test('should not set the month in state', () => {
const onMonthChange = jest.fn();
const result = renderHook({ disableNavigation: true, onMonthChange });
const month = addMonths(today, 2);
result.current[1](month);
expect(result.current[0]).toEqual(startOfMonth(today));
expect(onMonthChange).not.toHaveBeenCalled();
});
});
});
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