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import React from 'react';
import { render, mount } from 'enzyme';
import KeyCode from 'rc-util/lib/KeyCode';
import Cascader from '..';
import ConfigProvider from '../../config-provider';
import focusTest from '../../../tests/shared/focusTest';
import mountTest from '../../../tests/shared/mountTest';
import rtlTest from '../../../tests/shared/rtlTest';
import { sleep } from '../../../tests/utils';
const options = [
{
value: 'zhejiang',
label: 'Zhejiang',
children: [
{
value: 'hangzhou',
label: 'Hangzhou',
children: [
{
value: 'xihu',
label: 'West Lake',
},
],
},
],
},
{
value: 'jiangsu',
label: 'Jiangsu',
children: [
{
value: 'nanjing',
label: 'Nanjing',
children: [
{
value: 'zhonghuamen',
label: 'Zhong Hua Men',
},
],
},
],
},
];
function filter(inputValue, path) {
return path.some(option => option.label.toLowerCase().indexOf(inputValue.toLowerCase()) > -1);
}
describe('Cascader', () => {
focusTest(Cascader);
mountTest(Cascader);
rtlTest(Cascader);
it('popup correctly when panel is hidden', () => {
const wrapper = mount(<Cascader options={options} />);
expect(render(wrapper.find('Trigger').instance().getComponent())).toMatchSnapshot();
});
it('popup correctly when panel is open', () => {
const onPopupVisibleChange = jest.fn();
const wrapper = mount(
<Cascader options={options} onPopupVisibleChange={onPopupVisibleChange} />,
);
wrapper.find('input').simulate('click');
expect(render(wrapper.find('Trigger').instance().getComponent())).toMatchSnapshot();
expect(onPopupVisibleChange).toHaveBeenCalledWith(true);
});
it('support controlled mode', () => {
const wrapper = mount(<Cascader options={options} />);
wrapper.setProps({
value: ['zhejiang', 'hangzhou', 'xihu'],
});
expect(wrapper.render()).toMatchSnapshot();
});
it('popup correctly with defaultValue', () => {
const wrapper = mount(<Cascader options={options} defaultValue={['zhejiang', 'hangzhou']} />);
wrapper.find('input').simulate('click');
expect(render(wrapper.find('Trigger').instance().getComponent())).toMatchSnapshot();
});
it('should support popupVisible', () => {
const wrapper = mount(<Cascader options={options} defaultValue={['zhejiang', 'hangzhou']} />);
expect(wrapper.find('Trigger').instance().getComponent().props.visible).toBe(false);
wrapper.setProps({ popupVisible: true });
expect(wrapper.find('Trigger').instance().getComponent().props.visible).toBe(true);
});
it('can be selected', () => {
const onChange = jest.fn();
const wrapper = mount(<Cascader options={options} onChange={onChange} />);
wrapper.find('input').simulate('click');
let popupWrapper = mount(wrapper.find('Trigger').instance().getComponent());
popupWrapper
.find('.ant-cascader-menu')
.at(0)
.find('.ant-cascader-menu-item')
.at(0)
.simulate('click');
expect(render(wrapper.find('Trigger').instance().getComponent())).toMatchSnapshot();
popupWrapper = mount(wrapper.find('Trigger').instance().getComponent());
popupWrapper
.find('.ant-cascader-menu')
.at(1)
.find('.ant-cascader-menu-item')
.at(0)
.simulate('click');
expect(render(wrapper.find('Trigger').instance().getComponent())).toMatchSnapshot();
popupWrapper = mount(wrapper.find('Trigger').instance().getComponent());
popupWrapper
.find('.ant-cascader-menu')
.at(2)
.find('.ant-cascader-menu-item')
.at(0)
.simulate('click');
expect(render(wrapper.find('Trigger').instance().getComponent())).toMatchSnapshot();
expect(onChange).toHaveBeenCalledWith(['zhejiang', 'hangzhou', 'xihu'], expect.anything());
});
it('backspace should work with `Cascader[showSearch]`', () => {
const wrapper = mount(<Cascader options={options} showSearch />);
wrapper.find('input').simulate('change', { target: { value: '123' } });
expect(wrapper.state('inputValue')).toBe('123');
wrapper.find('input').simulate('keydown', { keyCode: KeyCode.BACKSPACE });
// Simulate onKeyDown will not trigger onChange by default, so the value is still '123'
expect(wrapper.state('inputValue')).toBe('123');
});
it('should highlight keyword and filter when search in Cascader', () => {
const wrapper = mount(<Cascader options={options} showSearch={{ filter }} />);
wrapper.find('input').simulate('click');
wrapper.find('input').simulate('change', { target: { value: 'z' } });
expect(wrapper.state('inputValue')).toBe('z');
const popupWrapper = mount(wrapper.find('Trigger').instance().getComponent());
expect(popupWrapper.render()).toMatchSnapshot();
});
it('should highlight keyword and filter when search in Cascader with same field name of label and value', () => {
const customOptions = [
{
name: 'Zhejiang',
value: 'Zhejiang',
children: [
{
name: 'Hangzhou',
value: 'Hangzhou',
children: [
{
name: 'West Lake',
value: 'West Lake',
},
{
name: 'Xia Sha',
value: 'Xia Sha',
disabled: true,
},
],
},
],
},
];
function customFilter(inputValue, path) {
return path.some(option => option.name.toLowerCase().indexOf(inputValue.toLowerCase()) > -1);
}
const wrapper = mount(
<Cascader
options={customOptions}
fieldNames={{ label: 'name', value: 'name' }}
showSearch={{ filter: customFilter }}
/>,
);
wrapper.find('input').simulate('click');
wrapper.find('input').simulate('change', { target: { value: 'z' } });
expect(wrapper.state('inputValue')).toBe('z');
const popupWrapper = mount(wrapper.find('Trigger').instance().getComponent());
expect(popupWrapper.render()).toMatchSnapshot();
});
it('should render not found content', () => {
const wrapper = mount(<Cascader options={options} showSearch={{ filter }} />);
wrapper.find('input').simulate('click');
wrapper.find('input').simulate('change', { target: { value: '__notfoundkeyword__' } });
expect(wrapper.state('inputValue')).toBe('__notfoundkeyword__');
const popupWrapper = mount(wrapper.find('Trigger').instance().getComponent());
expect(popupWrapper.render()).toMatchSnapshot();
});
it('should support to clear selection', async () => {
const wrapper = mount(<Cascader options={options} defaultValue={['zhejiang', 'hangzhou']} />);
const willUnmount = jest.spyOn(wrapper.instance(), 'componentWillUnmount');
const clearTimeoutSpy = jest.spyOn(global, 'clearTimeout');
expect(wrapper.find('.ant-cascader-picker-label').text()).toBe('Zhejiang / Hangzhou');
wrapper.find('.ant-cascader-picker-clear').at(0).simulate('click');
await sleep(300);
expect(wrapper.find('.ant-cascader-picker-label').text()).toBe('');
wrapper.unmount();
expect(willUnmount).toHaveBeenCalled();
expect(clearTimeoutSpy).toHaveBeenCalled();
clearTimeoutSpy.mockRestore();
});
it('should close popup when clear selection', () => {
const onPopupVisibleChange = jest.fn();
const wrapper = mount(
<Cascader
options={options}
popupVisible
defaultValue={['zhejiang', 'hangzhou']}
onPopupVisibleChange={onPopupVisibleChange}
/>,
);
wrapper.find('.ant-cascader-picker-clear').at(0).simulate('click');
expect(onPopupVisibleChange).toHaveBeenCalledWith(false);
});
it('should clear search input when clear selection', () => {
const wrapper = mount(
<Cascader options={options} defaultValue={['zhejiang', 'hangzhou']} showSearch />,
);
wrapper.find('input').simulate('click');
wrapper.find('input').simulate('change', { target: { value: 'xxx' } });
expect(wrapper.state('inputValue')).toBe('xxx');
wrapper.find('.ant-cascader-picker-clear').at(0).simulate('click');
expect(wrapper.state('inputValue')).toBe('');
});
it('should not trigger visible change when click search input', () => {
const onPopupVisibleChange = jest.fn();
const wrapper = mount(
<Cascader options={options} showSearch onPopupVisibleChange={onPopupVisibleChange} />,
);
wrapper.find('input').simulate('focus');
expect(onPopupVisibleChange).toHaveBeenCalledTimes(0);
wrapper.find('input').simulate('click');
expect(onPopupVisibleChange).toHaveBeenCalledTimes(1);
wrapper.find('input').simulate('click');
expect(onPopupVisibleChange).toHaveBeenCalledTimes(1);
wrapper.find('input').simulate('blur');
wrapper.setState({ popupVisible: false });
wrapper.find('input').simulate('click');
expect(onPopupVisibleChange).toHaveBeenCalledTimes(2);
});
it('should change filtered item when options are changed', () => {
const wrapper = mount(<Cascader options={options} showSearch={{ filter }} />);
wrapper.find('input').simulate('click');
wrapper.find('input').simulate('change', { target: { value: 'a' } });
expect(wrapper.find('.ant-cascader-menu-item').length).toBe(2);
wrapper.setProps({ options: [options[0]] });
expect(wrapper.find('.ant-cascader-menu-item').length).toBe(1);
});
it('should select item immediately when searching and pressing down arrow key', () => {
const wrapper = mount(<Cascader options={options} showSearch={{ filter }} />);
wrapper.find('input').simulate('click');
wrapper.find('input').simulate('change', { target: { value: 'a' } });
expect(wrapper.find('.ant-cascader-menu-item').length).toBe(2);
expect(wrapper.find('.ant-cascader-menu-item-active').length).toBe(0);
wrapper.find('input').simulate('keyDown', {
keyCode: KeyCode.DOWN,
});
expect(wrapper.find('.ant-cascader-menu-item-active').length).toBe(1);
});
it('can use fieldNames', () => {
const customerOptions = [
{
code: 'zhejiang',
name: 'Zhejiang',
items: [
{
code: 'hangzhou',
name: 'Hangzhou',
items: [
{
code: 'xihu',
name: 'West Lake',
},
],
},
],
},
{
code: 'jiangsu',
name: 'Jiangsu',
items: [
{
code: 'nanjing',
name: 'Nanjing',
items: [
{
code: 'zhonghuamen',
name: 'Zhong Hua Men',
},
],
},
],
},
];
const wrapper = mount(
<Cascader
options={customerOptions}
fieldNames={{
children: 'items',
label: 'name',
value: 'code',
}}
/>,
);
wrapper.instance().handleChange(['zhejiang', 'hangzhou', 'xihu'], customerOptions);
expect(wrapper.find('.ant-cascader-picker-label').text().split('/').length).toBe(3);
});
it('should show not found content when options.length is 0', () => {
const customerOptions = [];
const wrapper = mount(<Cascader options={customerOptions} />);
wrapper.find('input').simulate('click');
const popupWrapper = mount(wrapper.find('Trigger').instance().getComponent());
expect(popupWrapper.render()).toMatchSnapshot();
});
it('not found content shoule be disabled', () => {
const wrapper = mount(<Cascader options={[]} />);
wrapper.find('input').simulate('click');
expect(wrapper.find('.ant-cascader-menu-item-disabled').length).toBe(1);
});
describe('limit filtered item count', () => {
const errorSpy = jest.spyOn(console, 'error').mockImplementation(() => {});
afterAll(() => {
errorSpy.mockRestore();
});
it('limit with positive number', () => {
const wrapper = mount(<Cascader options={options} showSearch={{ filter, limit: 1 }} />);
wrapper.find('input').simulate('click');
wrapper.find('input').simulate('change', { target: { value: 'a' } });
expect(wrapper.find('.ant-cascader-menu-item').length).toBe(1);
});
it('not limit', () => {
const wrapper = mount(<Cascader options={options} showSearch={{ filter, limit: false }} />);
wrapper.find('input').simulate('click');
wrapper.find('input').simulate('change', { target: { value: 'a' } });
expect(wrapper.find('.ant-cascader-menu-item').length).toBe(2);
});
it('negative limit', () => {
const wrapper = mount(<Cascader options={options} showSearch={{ filter, limit: -1 }} />);
wrapper.find('input').simulate('click');
wrapper.find('input').simulate('change', { target: { value: 'a' } });
expect(wrapper.find('.ant-cascader-menu-item').length).toBe(2);
expect(errorSpy).toHaveBeenCalledWith(
"Warning: [antd: Cascader] 'limit' of showSearch should be positive number or false.",
);
});
});
it('should warning if not find `value` in `options`', () => {
const errorSpy = jest.spyOn(console, 'error').mockImplementation(() => {});
mount(<Cascader options={[{ label: 'a', value: 'a', children: [{ label: 'b' }] }]} />);
expect(errorSpy).toHaveBeenCalledWith(
'Warning: [antd: Cascader] Not found `value` in `options`.',
);
errorSpy.mockRestore();
});
// https://github.com/ant-design/ant-design/issues/17690
it('should not breaks when children is null', () => {
const optionsWithChildrenNull = [
{
value: 'zhejiang',
label: 'Zhejiang',
children: [
{
value: 'hangzhou',
label: 'Hangzhou',
children: null,
},
],
},
];
expect(() => {
mount(<Cascader options={optionsWithChildrenNull} />);
}).not.toThrow();
});
// https://github.com/ant-design/ant-design/issues/18176
it('have a notFoundContent that fit trigger input width', () => {
const wrapper = mount(
<Cascader
popupVisible
options={[]}
fieldNames={{ label: 'name', value: 'code', children: 'items' }}
/>,
);
const popupWrapper = mount(wrapper.find('Trigger').instance().getComponent());
expect(popupWrapper.render()).toMatchSnapshot();
});
it('placeholder works correctly', () => {
const wrapper = mount(<Cascader options={[]} />);
expect(wrapper.find('input').prop('placeholder')).toBe('Please select');
const customPlaceholder = 'Custom placeholder';
wrapper.setProps({
placeholder: customPlaceholder,
});
expect(wrapper.find('input').prop('placeholder')).toBe(customPlaceholder);
});
it('popup correctly with defaultValue RTL', () => {
const wrapper = mount(
<ConfigProvider direction="rtl">
<Cascader options={options} defaultValue={['zhejiang', 'hangzhou']} />
</ConfigProvider>,
);
wrapper.find('Cascader').find('input').simulate('click');
expect(
render(wrapper.find('Cascader').find('Trigger').instance().getComponent()),
).toMatchSnapshot();
});
it('can be selected in RTL direction', () => {
const options2 = [
{
value: 'zhejiang',
label: 'Zhejiang',
children: [
{
value: 'hangzhou',
label: 'Hangzhou',
children: [
{
value: 'xihu',
label: 'West Lake',
},
],
},
],
},
{
value: 'jiangsu',
label: 'Jiangsu',
children: [
{
value: 'nanjing',
label: 'Nanjing',
children: [
{
value: 'zhonghuamen',
label: 'Zhong Hua Men',
},
],
},
],
},
];
const onChange = jest.fn();
const wrapper = mount(
<ConfigProvider direction="rtl">
<Cascader
options={options2}
defaultValue={['zhejiang', 'hangzhou']}
onChange={onChange}
popupPlacement="bottomRight"
/>
</ConfigProvider>,
);
wrapper.find('Cascader').find('input').simulate('click');
let popupWrapper = mount(wrapper.find('Cascader').find('Trigger').instance().getComponent());
popupWrapper
.find('.ant-cascader-menu')
.at(0)
.find('.ant-cascader-menu-item')
.at(0)
.simulate('click');
expect(
render(wrapper.find('Cascader').find('Trigger').instance().getComponent()),
).toMatchSnapshot();
popupWrapper = mount(wrapper.find('Cascader').find('Trigger').instance().getComponent());
popupWrapper
.find('.ant-cascader-menu')
.at(1)
.find('.ant-cascader-menu-item')
.at(0)
.simulate('click');
expect(
render(wrapper.find('Cascader').find('Trigger').instance().getComponent()),
).toMatchSnapshot();
popupWrapper = mount(wrapper.find('Cascader').find('Trigger').instance().getComponent());
popupWrapper
.find('.ant-cascader-menu')
.at(2)
.find('.ant-cascader-menu-item')
.at(0)
.simulate('click');
expect(onChange).toHaveBeenCalledWith(['zhejiang', 'hangzhou', 'xihu'], expect.anything());
});
it('defaultValue works correctly when no match options', () => {
const wrapper = mount(<Cascader options={options} defaultValue={['options1', 'options2']} />);
expect(wrapper.find('.ant-cascader-picker-label').text()).toBe('options1 / options2');
});
it('can be selected when showSearch', () => {
const onChange = jest.fn();
const wrapper = mount(<Cascader options={options} onChange={onChange} showSearch />);
wrapper.find('input').simulate('click');
wrapper.find('input').simulate('change', { target: { value: 'Zh' } });
const popupWrapper = mount(wrapper.find('Cascader').find('Trigger').instance().getComponent());
expect(popupWrapper.find('.ant-cascader-menu').length).toBe(1);
popupWrapper
.find('.ant-cascader-menu')
.at(0)
.find('.ant-cascader-menu-item')
.at(0)
.simulate('click');
expect(onChange).toHaveBeenCalledWith(['zhejiang', 'hangzhou', 'xihu'], expect.anything());
});
it('options should open after press esc and then search', () => {
const wrapper = mount(<Cascader options={options} showSearch />);
wrapper.find('input').simulate('change', { target: { value: 'jin' } });
wrapper.find('input').simulate('keydown', { keyCode: KeyCode.ESC });
wrapper.find('input').simulate('change', { target: { value: 'jin' } });
expect(wrapper.state('popupVisible')).toBe(true);
});
it('onChange works correctly when the label of fieldNames is the same as value', () => {
const onChange = jest.fn();
const sameNames = { label: 'label', value: 'label', children: 'children' };
const wrapper = mount(
<Cascader options={options} onChange={onChange} showSearch fieldNames={sameNames} />,
);
wrapper.find('input').simulate('click');
wrapper.find('input').simulate('change', { target: { value: 'est' } });
const popupWrapper = mount(wrapper.find('Cascader').find('Trigger').instance().getComponent());
popupWrapper
.find('.ant-cascader-menu')
.at(0)
.find('.ant-cascader-menu-item')
.at(0)
.simulate('click');
expect(onChange).toHaveBeenCalledWith(['Zhejiang', 'Hangzhou', 'West Lake'], expect.anything());
});
});