feat: test (#531)

* feat: test

* feat: test

Author: crazyair

tests/search.spec.tsx

@@ -193,7 +193,7 @@ describe('Cascader.Search', () => {
     errorSpy.mockRestore();
   });
 
-  it('onChange should be triggered when click option with multiple', () => {
+  it('onChange should be triggered when click option with changeOnSelect + multiple', () => {
     const onChange = jest.fn();
     const wrapper = mount(
       <Cascader checkable options={options} changeOnSelect onChange={onChange} showSearch />,
@@ -212,6 +212,23 @@ describe('Cascader.Search', () => {
     );
   });
 
+  it('onChange should be triggered when click option with multiple', () => {
+    const onChange = jest.fn();
+    const wrapper = mount(<Cascader checkable options={options} onChange={onChange} showSearch />);
+    doSearch(wrapper, 'toy');
+    wrapper.find('.rc-cascader-menu-item').first().simulate('click');
+    wrapper.find('.rc-cascader-menu-item').first().simulate('mousedown');
+    expect(onChange).toHaveBeenCalledWith([['bamboo', 'little', 'fish']], expect.anything());
+
+    doSearch(wrapper, 'light');
+    wrapper.find('.rc-cascader-menu-item').first().simulate('click');
+    wrapper.find('.rc-cascader-menu-item').first().simulate('mousedown');
+    expect(onChange).toHaveBeenCalledWith(
+      [['bamboo', 'little', 'fish'], ['light']],
+      expect.anything(),
+    );
+  });
+
   it('should not crash when exist options with same value on different levels', () => {
     const wrapper = mount(<Cascader options={optionsForActiveMenuItems} />);