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 {
getMonthCaption,
getMonthDropdown,
getNextButton,
getPrevButton,
getYearDropdown,
queryNextButton,
queryPrevButton
} from 'test/selectors';
import { freezeBeforeAll } from 'test/utils';
import { CustomComponents } from 'types/DayPickerBase';
import { Caption, CaptionProps } from './Caption';
const today = new Date(2021, 8);
freezeBeforeAll(today);
function setup(props: CaptionProps, dayPickerProps?: DayPickerProps) {
customRender(<Caption {...props} />, dayPickerProps);
}
describe('when navigation is disabled', () => {
const props = { displayMonth: today };
const dayPickerProps = { disableNavigation: true };
beforeEach(() => setup(props, dayPickerProps));
test('should display the caption label', () => {
expect(getMonthCaption()).toHaveTextContent('September 2021');
});
test('should not render the navigation', () => {
expect(queryPrevButton()).toBeNull();
expect(queryNextButton()).toBeNull();
});
});
describe('when using a custom CaptionLabel component', () => {
const components: CustomComponents = {
CaptionLabel: () => <>custom label foo</>
};
const props = { displayMonth: today };
beforeEach(() => {
setup(props, { components });
});
test('it should render the custom component instead', () => {
expect(screen.getByText('custom label foo')).toBeInTheDocument();
});
});
describe('when the caption layout is "dropdown"', () => {
const dayPickerProps: DayPickerProps = {
captionLayout: 'dropdown',
fromYear: 2020,
toYear: 2025
};
const props = { displayMonth: today };
beforeEach(() => {
setup(props, dayPickerProps);
});
test('should render the month drop-down', () => {
expect(getMonthDropdown()).toBeInTheDocument();
});
test('should render the year drop-down', () => {
expect(getYearDropdown()).toBeInTheDocument();
});
});
describe('when the caption layout is "buttons"', () => {
const dayPickerProps: DayPickerProps = {
captionLayout: 'buttons'
};
test('should render the next month button', () => {
customRender(<Caption displayMonth={today} />, dayPickerProps);
expect(getNextButton()).toBeInTheDocument();
});
test('should render the previous month button', () => {
customRender(<Caption displayMonth={today} />, dayPickerProps);
expect(getPrevButton()).toBeInTheDocument();
});
});
describe('when the caption layout is "dropdown-buttons"', () => {
const dayPickerProps: DayPickerProps = {
captionLayout: 'dropdown-buttons',
fromYear: 2020,
toYear: 2025
};
const props = { displayMonth: today };
beforeEach(() => {
setup(props, dayPickerProps);
});
test('should render the month drop-down', () => {
expect(getMonthDropdown()).toBeInTheDocument();
});
test('should render the year drop-down', () => {
expect(getYearDropdown()).toBeInTheDocument();
});
test('should render the next month button', () => {
expect(getNextButton()).toBeInTheDocument();
});
test('should render the previous month button', () => {
expect(getPrevButton()).toBeInTheDocument();
});
});
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