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pagination.test.tsx
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pagination.test.tsx
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import React from 'react';
import type { ListProps } from '..';
import List from '..';
import { fireEvent, render } from '../../../tests/utils';
import { noop } from '../../_util/warning';
interface DataSourceItem {
name: string;
key: React.Key;
}
describe('List.pagination', () => {
const data: ListProps<DataSourceItem>['dataSource'] = [
{ key: 0, name: 'Jack' },
{ key: 1, name: 'Lucy' },
{ key: 2, name: 'Tom' },
{ key: 3, name: 'Jerry' },
];
const pagination = { className: 'my-page', pageSize: 2 };
function createList(props?: ListProps<DataSourceItem>) {
return (
<List
itemLayout="vertical"
pagination={pagination}
dataSource={data}
renderItem={(item) => <List.Item key={item.key}>{item.name}</List.Item>}
{...props}
/>
);
}
function renderedNames(container: ReturnType<typeof render>['container']) {
return Array.prototype.map.call(
container.querySelectorAll('.ant-list-item'),
(row: HTMLDivElement) => row.textContent,
);
}
it('renders pagination correctly', () => {
const { container } = render(createList());
expect(container.firstChild).toMatchSnapshot();
});
it('should not show pager if pagination.hideOnSinglePage is true and only 1 page', () => {
const { container: wrapper, rerender } = render(
createList({ pagination: { pageSize: 3, hideOnSinglePage: true } }),
);
expect(wrapper.querySelectorAll('.ant-pagination')).toHaveLength(1);
rerender(createList({ pagination: { pageSize: 3, hideOnSinglePage: false } }));
expect(wrapper.querySelectorAll('.ant-pagination')).toHaveLength(1);
rerender(createList({ pagination: { pageSize: 4, hideOnSinglePage: true } }));
expect(wrapper.querySelectorAll('.ant-pagination')).toHaveLength(0);
rerender(createList({ pagination: { pageSize: 4, hideOnSinglePage: false } }));
expect(wrapper.querySelectorAll('.ant-pagination')).toHaveLength(1);
rerender(createList({ pagination: { pageSize: 5, hideOnSinglePage: true } }));
expect(wrapper.querySelectorAll('.ant-pagination')).toHaveLength(0);
rerender(createList({ pagination: { pageSize: 5, hideOnSinglePage: false } }));
expect(wrapper.querySelectorAll('.ant-pagination')).toHaveLength(1);
});
it('paginate data', () => {
const { container: wrapper } = render(createList());
expect(renderedNames(wrapper)).toEqual(['Jack', 'Lucy']);
const paginationItems = wrapper.querySelectorAll('.ant-pagination-item');
fireEvent.click(paginationItems[paginationItems.length - 1]);
expect(renderedNames(wrapper)).toEqual(['Tom', 'Jerry']);
});
it('repaginates when pageSize change', () => {
const { container: wrapper, rerender } = render(createList());
rerender(createList({ pagination: { pageSize: 1 } }));
expect(renderedNames(wrapper)).toEqual(['Jack']);
});
it('fires change event', () => {
const handlePaginationChange = jest.fn();
const { container: wrapper } = render(
createList({
pagination: {
...pagination,
onChange: handlePaginationChange,
onShowSizeChange: noop,
},
}),
);
const paginationItems = wrapper.querySelectorAll('.ant-pagination-item');
fireEvent.click(paginationItems[paginationItems.length - 1]);
expect(handlePaginationChange).toHaveBeenCalledWith(2, 2);
});
// https://github.com/ant-design/ant-design/issues/4532
// https://codepen.io/afc163/pen/pWVRJV?editors=001
it('should display pagination as prop pagination change between true and false', () => {
const { container: wrapper, rerender } = render(createList());
expect(wrapper.querySelectorAll('.ant-pagination')).toHaveLength(1);
expect(wrapper.querySelectorAll('.ant-pagination-item')).toHaveLength(2);
rerender(createList({ pagination: false }));
expect(wrapper.querySelectorAll('.ant-pagination')).toHaveLength(0);
rerender(createList({ pagination }));
expect(wrapper.querySelectorAll('.ant-pagination')).toHaveLength(1);
expect(wrapper.querySelectorAll('.ant-pagination-item')).toHaveLength(2);
fireEvent.click(wrapper.querySelector('.ant-pagination-item-2')!);
expect(renderedNames(wrapper)).toEqual(['Tom', 'Jerry']);
rerender(createList({ pagination: false }));
expect(wrapper.querySelectorAll('.ant-pagination')).toHaveLength(0);
rerender(createList({ pagination: true as ListProps<DataSourceItem>['pagination'] }));
expect(wrapper.querySelectorAll('.ant-pagination')).toHaveLength(1);
// Legacy code will make pageSize ping with 10, here we fixed to keep sync by current one
expect(wrapper.querySelectorAll('.ant-pagination-item')).toHaveLength(2);
expect(renderedNames(wrapper)).toEqual(['Tom', 'Jerry']);
});
// https://github.com/ant-design/ant-design/issues/5259
it('change to correct page when data source changes', () => {
const { container: wrapper, rerender } = render(createList({ pagination: { pageSize: 1 } }));
fireEvent.click(wrapper.querySelector('.ant-pagination-item-3')!);
rerender(createList({ dataSource: [data[0]] }));
expect(wrapper.querySelector('.ant-pagination-item-1')).toHaveClass(
'ant-pagination-item-active',
);
});
it('specify the position of pagination', () => {
const { container: wrapper, rerender } = render(
createList({ pagination: { position: 'top' } }),
);
expect(wrapper.querySelector('.ant-list')?.querySelectorAll('.ant-pagination')).toHaveLength(1);
rerender(createList({ pagination: { position: 'bottom' } }));
expect(
wrapper.querySelector('.ant-list')?.lastElementChild?.querySelectorAll('.ant-pagination'),
).toHaveLength(1);
rerender(createList({ pagination: { position: 'both' } }));
expect(wrapper.querySelectorAll('.ant-pagination')).toHaveLength(2);
expect(
wrapper.querySelector('.ant-list')?.firstElementChild?.querySelectorAll('.ant-pagination'),
).toHaveLength(1);
expect(
wrapper.querySelector('.ant-list')?.lastElementChild?.querySelectorAll('.ant-pagination'),
).toHaveLength(1);
});
it('should change page size work', () => {
const { container: wrapper } = render(createList({ pagination: { showSizeChanger: true } }));
expect(wrapper.querySelector('.ant-pagination')).toMatchSnapshot();
fireEvent.mouseDown(wrapper.querySelector('.ant-select-selector')!);
fireEvent.click(wrapper.querySelectorAll('.ant-select-item-option')[2]);
fireEvent.mouseDown(wrapper.querySelector('.ant-select-selector')!);
expect(wrapper.querySelector('.ant-pagination')).toMatchSnapshot();
});
// https://github.com/ant-design/ant-design/issues/24913
// https://github.com/ant-design/ant-design/issues/24501
it('should onChange called when pageSize change', () => {
const handlePaginationChange = jest.fn();
const handlePageSizeChange = () => {};
const { container: wrapper } = render(
createList({
pagination: {
...pagination,
showSizeChanger: true,
onChange: handlePaginationChange,
onShowSizeChange: handlePageSizeChange,
},
}),
);
fireEvent.mouseDown(wrapper.querySelector('.ant-select-selector')!);
fireEvent.click(wrapper.querySelectorAll('.ant-select-item-option')[1]);
expect(handlePaginationChange).toHaveBeenCalledWith(1, 10);
});
it('should default work', () => {
const { container: wrapper } = render(
createList({
pagination: {
defaultPageSize: 3,
defaultCurrent: 2,
pageSizeOptions: ['1', '3'],
showSizeChanger: true,
},
}),
);
expect(wrapper.querySelector('.ant-pagination')).toMatchSnapshot();
});
it('should not crash when pagination is null', () => {
render(createList({ pagination: null as unknown as ListProps<DataSourceItem>['pagination'] }));
});
// https://github.com/ant-design/ant-design/issues/39496
it('should not crash when pagination pageSize is not defined', () => {
expect(() => {
render(
createList({
pagination: {
pageSize: undefined,
},
}),
);
}).not.toThrow();
});
it('pagination button should be displayed normally, when the paginator total is not defined', () => {
const { container } = render(
createList({
pagination: { total: undefined },
dataSource: Array.from({ length: 11 }, (_, key) => ({ key, name: `name${key}` })),
}),
);
expect(container.querySelector('.ant-pagination')).toMatchSnapshot();
});
});