bc518174
 王天杨
提交两个项目文件
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import { RenderResult, screen } from '@testing-library/react';
import { addDays } from 'date-fns';
import { DayPickerProps } from 'DayPicker';
import { customRender } from 'test/render';
import { getDayButton, queryMonthGrids } from 'test/selectors';
import { freezeBeforeAll } from 'test/utils';
import { MonthsProps } from 'components/Months';
import { defaultClassNames } from 'contexts/DayPicker/defaultClassNames';
import { ClassNames } from 'types/Styles';
import { Root } from './Root';
const today = new Date(2020, 10, 4);
freezeBeforeAll(today);
let container: HTMLElement;
let view: RenderResult;
function render(dayPickerProps: DayPickerProps = {}) {
view = customRender(<Root initialProps={dayPickerProps} />, dayPickerProps);
container = view.container;
}
describe('when the number of months is 1', () => {
const props: DayPickerProps = { numberOfMonths: 1 };
beforeEach(() => {
render(props);
});
test('should display one month grid', () => {
expect(queryMonthGrids()).toHaveLength(1);
});
});
describe('when the number of months is greater than 1', () => {
const props: DayPickerProps = { numberOfMonths: 3 };
beforeEach(() => {
render(props);
});
test('should display the specified number of month grids', () => {
expect(queryMonthGrids()).toHaveLength(3);
});
});
describe('when using the "classNames" prop', () => {
const classNames: ClassNames = {
root: 'foo'
};
beforeEach(() => {
render({ classNames });
});
test('should add the class to the container', () => {
expect(container.firstChild).toHaveClass('foo');
});
});
describe('when using a custom "Months" component', () => {
function CustomMonths(props: MonthsProps) {
return (
<div>
<div data-testid="foo" />
{props.children}
</div>
);
}
beforeEach(() => {
render({ numberOfMonths: 3, components: { Months: CustomMonths } });
});
test('should render the custom component', () => {
expect(screen.getByTestId('foo')).toBeInTheDocument();
});
test('should still display the specified number of months', () => {
expect(queryMonthGrids()).toHaveLength(3);
});
});
describe('when using the "id" prop', () => {
const testId = 'foo';
beforeEach(() => render({ id: testId }));
test('should add the "id" attribute', () => {
expect(container.firstChild).toHaveAttribute('id', testId);
});
});
describe('when using the "nonce" prop', () => {
const nonce = 'foo';
beforeEach(() => render({ nonce }));
test('should add the "nonce" attribute', () => {
expect(container.firstChild).toHaveAttribute('nonce', nonce);
});
});
describe('when using the "title" prop', () => {
const title = 'foo';
beforeEach(() => render({ title }));
test('should add the "title" attribute', () => {
expect(container.firstChild).toHaveAttribute('title', title);
});
});
describe('when using the "lang" prop', () => {
const lang = 'en-US';
beforeEach(() => render({ lang }));
test('should add the "lang" attribute', () => {
expect(container.firstChild).toHaveAttribute('lang', lang);
});
});
describe('when using the "className" prop', () => {
const props: DayPickerProps = { className: 'foo' };
beforeEach(() => {
render(props);
});
test('should append the class name to the root element', () => {
expect(container.firstChild).toHaveClass('rdp foo');
});
});
describe('when the "numberOfMonths" is greater than 1', () => {
const props: DayPickerProps = { numberOfMonths: 3 };
const expectedClassName = defaultClassNames.multiple_months;
beforeEach(() => {
render(props);
});
test(`should have the ${expectedClassName} class name`, () => {
expect(container.firstChild).toHaveClass(expectedClassName);
});
});
describe('when showing the week numbers', () => {
const props: DayPickerProps = { showWeekNumber: true };
const expectedClassName = defaultClassNames.with_weeknumber;
beforeEach(() => {
render(props);
});
test(`should have the ${expectedClassName} class name`, () => {
expect(container.firstChild).toHaveClass(expectedClassName);
});
});
describe('when "initialFocus" is set', () => {
const baseProps: DayPickerProps = {
initialFocus: true,
mode: 'single'
};
describe('when a day is not selected', () => {
beforeEach(() => {
render(baseProps);
});
test('should focus today', () => {
expect(getDayButton(today)).toHaveFocus();
});
describe('when a new day is focused', () => {
beforeEach(() => {
getDayButton(addDays(today, 1)).focus();
});
describe('and the calendar is rerendered', () => {
test.todo('should focus the new day');
});
});
});
describe('when a day is selected', () => {
const selected = addDays(today, 1);
const props: DayPickerProps = { ...baseProps, selected };
beforeEach(() => {
render(props);
});
test('should focus the selected day', () => {
expect(getDayButton(selected)).toHaveFocus();
});
});
});
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