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, getMonthGrid } from 'test/selectors';
import { CustomComponents } from 'types/DayPickerBase';
import { Month, MonthProps } from './Month';
let root: HTMLDivElement;
const displayMonth = new Date(2022, 10, 4);
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const testStyles: Record<string, any> = {
caption_start: { color: 'red' },
caption_end: { background: 'blue' },
caption_between: { fontSize: 20 }
};
const testClassNames: Record<string, string> = {
caption_start: 'caption_start',
caption_end: 'caption_end',
caption_between: 'caption_between'
};
type Test = {
monthProps: MonthProps;
dayPickerProps: DayPickerProps;
expected: string[];
notExpected: string[];
};
function setup(props: MonthProps, dayPickerProps?: DayPickerProps) {
const view = customRender(<Month {...props} />, dayPickerProps);
root = view.container.firstChild as HTMLDivElement;
}
describe('when rendered', () => {
beforeEach(() => {
setup({ displayIndex: 0, displayMonth });
});
test('the caption id should be the aria-labelledby of the grid', () => {
const captionId = getMonthCaption().getAttribute('id');
const gridLabelledBy = getMonthGrid().getAttribute('aria-labelledby');
expect(captionId).toEqual(gridLabelledBy);
});
});
describe('when rendered with a custom id', () => {
const id = 'custom-id';
beforeEach(() => {
setup({ displayIndex: 0, displayMonth }, { id });
});
test('the caption id should include the display index', () => {
const captionId = getMonthCaption().getAttribute('id');
expect(captionId).toEqual('custom-id-0');
});
test('the table id should include the display index', () => {
const tableId = getMonthGrid().getAttribute('id');
expect(tableId).toEqual('custom-id-grid-0');
});
});
describe('when using a custom Caption component', () => {
const components: CustomComponents = {
Caption: () => <>custom caption foo</>
};
beforeEach(() => {
setup({ displayIndex: 0, displayMonth }, { components });
});
test('it should render the custom component instead', () => {
expect(screen.getByText('custom caption foo')).toBeInTheDocument();
});
});
describe('when dir is ltr', () => {
const testLtr: Test[] = [
{
monthProps: {
displayIndex: 0,
displayMonth
},
dayPickerProps: {
numberOfMonths: 1,
styles: testStyles,
classNames: testClassNames
},
expected: ['caption_start', 'caption_end'],
notExpected: ['caption_between']
},
{
monthProps: {
displayIndex: 0,
displayMonth
},
dayPickerProps: {
numberOfMonths: 2,
styles: testStyles,
classNames: testClassNames
},
expected: ['caption_start'],
notExpected: ['caption_between', 'caption_end']
},
{
monthProps: {
displayIndex: 1,
displayMonth
},
dayPickerProps: {
numberOfMonths: 2,
styles: testStyles,
classNames: testClassNames
},
expected: ['caption_end'],
notExpected: ['caption_start', 'caption_between']
},
{
monthProps: {
displayIndex: 1,
displayMonth
},
dayPickerProps: {
numberOfMonths: 3,
styles: testStyles,
classNames: testClassNames
},
expected: ['caption_between'],
notExpected: ['caption_start', 'caption_end']
}
];
describe.each(testLtr)(
'when displayIndex is $monthProps.displayIndex and numberOfMonths is $dayPickerProps.numberOfMonths',
({ monthProps, dayPickerProps, expected, notExpected }) => {
beforeEach(() => {
setup(monthProps, dayPickerProps);
});
test.each(expected)(`the root should have the %s class`, (name) =>
expect(root).toHaveClass(testClassNames[name])
);
test.each(expected)(`the root should have the %s style`, (name) =>
expect(root).toHaveStyle(testStyles[name])
);
test.each(notExpected)(`the root should not have the %s class`, (name) =>
expect(root).not.toHaveClass(testClassNames[name])
);
}
);
});
describe('when dir is rtl', () => {
const testRtl: Test[] = [
{
monthProps: {
displayIndex: 0,
displayMonth
},
dayPickerProps: {
dir: 'rtl',
numberOfMonths: 1,
styles: testStyles,
classNames: testClassNames
},
expected: ['caption_start', 'caption_end'],
notExpected: ['caption_between']
},
{
monthProps: {
displayIndex: 0,
displayMonth
},
dayPickerProps: {
dir: 'rtl',
numberOfMonths: 2,
styles: testStyles,
classNames: testClassNames
},
expected: ['caption_end'],
notExpected: ['caption_between', 'caption_start']
},
{
monthProps: {
displayIndex: 1,
displayMonth
},
dayPickerProps: {
dir: 'rtl',
numberOfMonths: 2,
styles: testStyles,
classNames: testClassNames
},
expected: ['caption_start'],
notExpected: ['caption_end', 'caption_between']
},
{
monthProps: {
displayIndex: 1,
displayMonth
},
dayPickerProps: {
dir: 'rtl',
numberOfMonths: 3,
styles: testStyles,
classNames: testClassNames
},
expected: ['caption_between'],
notExpected: ['caption_start', 'caption_end']
}
];
describe.each(testRtl)(
'when displayIndex is $monthProps.displayIndex and numberOfMonths is $dayPickerProps.numberOfMonths',
({ monthProps, dayPickerProps, expected, notExpected }) => {
beforeEach(() => {
setup(monthProps, dayPickerProps);
});
test.each(expected)(`the root should have the %s class`, (name) =>
expect(root).toHaveClass(testClassNames[name])
);
test.each(expected)(`the root should have the %s style`, (name) =>
expect(root).toHaveStyle(testStyles[name])
);
test.each(notExpected)(`the root should not have the %s class`, (name) =>
expect(root).not.toHaveClass(testClassNames[name])
);
}
);
});
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