add test case

components/layout/__tests__/index.test.js

@@ -1,6 +1,8 @@
 import React from 'react';
 import { mount, render } from 'enzyme';
 import Layout from '..';
+import Icon from '../../icon';
+import Menu from '../../menu';
 
 const { Sider, Content } = Layout;
 
@@ -104,6 +106,36 @@ describe('Layout', () => {
     );
     expect(wrapper.find('.ant-layout').hasClass('ant-layout-has-sider')).toBe(false);
   });
+
+  it('render correct with Tooltip', () => {
+    jest.useFakeTimers();
+    const wrapper = mount(
+      <Sider collapsible collapsed={false}>
+        <Menu mode="inline">
+          <Menu.Item key="1">
+            <Icon type="user" />
+            <span>Light</span>
+          </Menu.Item>
+        </Menu>
+      </Sider>,
+    );
+
+    wrapper.find('.ant-menu-item').simulate('mouseenter');
+    jest.runAllTimers();
+    wrapper.update();
+    expect(wrapper.find('.ant-tooltip-inner').length).toBeFalsy();
+    wrapper.find('.ant-menu-item').simulate('mouseout');
+    jest.runAllTimers();
+    wrapper.update();
+
+    wrapper.setProps({ collapsed: true });
+    wrapper.find('.ant-menu-item').simulate('mouseenter');
+    jest.runAllTimers();
+    wrapper.update();
+    expect(wrapper.find('.ant-tooltip-inner').length).toBeTruthy();
+
+    jest.useRealTimers();
+  });
 });
 
 describe('Sider onBreakpoint', () => {

components/menu/MenuItem.tsx

@@ -1,6 +1,7 @@
 import * as React from 'react';
 import { Item } from 'rc-menu';
 import { ClickParam } from '.';
+import { MenuContext, MenuContextProps } from './';
 import Tooltip from '../tooltip';
 import { SiderContext, SiderContextProps } from '../layout/Sider';
 
@@ -33,8 +34,11 @@ export default class MenuItem extends React.Component<MenuItemProps> {
     const { level, children, rootPrefixCls } = this.props;
     const { title, ...rest } = this.props;
 
+    return (
+      <MenuContext.Consumer>
+        {({ inlineCollapsed }: MenuContextProps) => {
           let titleNode = title || (level === 1 ? children : '');
-    if (!siderCollapsed) {
+          if (!siderCollapsed && !inlineCollapsed) {
             titleNode = null;
           }
 
@@ -47,6 +51,9 @@ export default class MenuItem extends React.Component<MenuItemProps> {
               <Item {...rest} title={title} ref={this.saveMenuItem} />
             </Tooltip>
           );
+        }}
+      </MenuContext.Consumer>
+    );
   };
 
   render() {

components/menu/__tests__/index.test.js

@@ -494,6 +494,8 @@ describe('Menu', () => {
 
     const text = wrapper.find('.ant-tooltip-inner').text();
     expect(text).toBe('bamboo lucky');
+
+    jest.useRealTimers();
   });
 
   it('render correctly when using with Layout.Sider', () => {
@@ -608,4 +610,24 @@ describe('Menu', () => {
 
     expect(wrapper.render()).toMatchSnapshot();
   });
+
+  it('not title if not collapsed', () => {
+    jest.useFakeTimers();
+    const wrapper = mount(
+      <Menu mode="inline" inlineCollapsed={false}>
+        <Menu.Item key="1">
+          <Icon type="pie-chart" />
+          <span>Option 1</span>
+        </Menu.Item>
+      </Menu>,
+    );
+
+    wrapper.find('.ant-menu-item').simulate('mouseenter');
+    jest.runAllTimers();
+    wrapper.update();
+
+    expect(wrapper.find('.ant-tooltip-inner').length).toBeFalsy();
+
+    jest.useRealTimers();
+  });
 });