bc518174
 王天杨
提交两个项目文件
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import { screen } from '@testing-library/react';
import { DayPickerProps } from 'DayPicker';
import { customRender } from 'test/render';
import { freezeBeforeAll } from 'test/utils';
import { CustomComponents } from 'types/DayPickerBase';
import { Day, DayProps } from './Day';
const today = new Date(2021, 8);
freezeBeforeAll(today);
const date = today;
const displayMonth = today;
const props: DayProps = {
date: date,
displayMonth
};
describe('when the day to render has an hidden modifier', () => {
const dayPickerProps: DayPickerProps = {
modifiers: { hidden: date }
};
beforeEach(() => {
customRender(<Day {...props} />, dayPickerProps);
});
test('should render an empty grid cell', () => {
const cell = screen.getByRole('gridcell');
expect(cell).toBeEmptyDOMElement();
});
});
describe('when a no selection mode and no "onDayClick"', () => {
const dayPickerProps: DayPickerProps = { mode: 'default' };
beforeEach(() => {
customRender(<Day {...props} />, dayPickerProps);
});
test('should render a div', () => {
const cell = screen.getByRole('gridcell');
expect(cell.nodeName).toBe('DIV');
});
});
describe('when a selection mode is set', () => {
const dayPickerProps: DayPickerProps = {
mode: 'single'
};
beforeEach(() => {
customRender(<Day {...props} />, dayPickerProps);
});
test('should render a button named "day"', () => {
const cell = screen.getByRole('gridcell');
expect(cell.nodeName).toBe('BUTTON');
expect(cell).toHaveAttribute('name', 'day');
});
});
describe('when "onDayClick" is present', () => {
const dayPickerProps: DayPickerProps = {
onDayClick: jest.fn()
};
beforeEach(() => {
customRender(<Day {...props} />, dayPickerProps);
});
test('should render a button', () => {
const cell = screen.getByRole('gridcell');
expect(cell.nodeName).toBe('BUTTON');
});
});
describe('when using a custom DayContent component', () => {
const components: CustomComponents = {
DayContent: () => <>Custom DayContent</>
};
beforeEach(() => {
customRender(<Day {...props} />, { components });
});
test('it should render the custom component instead', () => {
expect(screen.getByText('Custom DayContent')).toBeInTheDocument();
});
});
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