diff --git a/components/tooltip/__tests__/tooltip.test.js b/components/tooltip/__tests__/tooltip.test.js
new file mode 100644
index 000000000..f104c0e9f
--- /dev/null
+++ b/components/tooltip/__tests__/tooltip.test.js
@@ -0,0 +1,215 @@
+import { asyncExpect } from '@/tests/utils'
+import { mount } from '@vue/test-utils'
+import Tooltip from '..'
+import Button from '../../button'
+
+describe('Tooltip', () => {
+  it('check `onVisibleChange` arguments', async () => {
+    const onVisibleChange = jest.fn()
+    const wrapper = mount({
+      props: ['title', 'visible'],
+      render () {
+        const props = {
+          props: {
+            title: this.title || '',
+            mouseEnterDelay: 0,
+            mouseLeaveDelay: 0,
+          },
+          on: {
+            visibleChange: onVisibleChange,
+          },
+        }
+        if (this.visible !== undefined) {
+          props.props.visible = this.visible
+        }
+        return <Tooltip
+          ref='tooltip'
+          {...props}
+        >
+          <div id='hello'>Hello world!</div>
+        </Tooltip>
+      },
+    }, { sync: false })
+
+    let div = null
+    let lastCount = null
+    await asyncExpect(() => {
+      // `title` is empty.
+      div = wrapper.findAll('#hello').at(0)
+      div.trigger('mouseenter')
+    })
+    await asyncExpect(() => {
+      expect(onVisibleChange).not.toHaveBeenCalled()
+      expect(wrapper.vm.$refs.tooltip.$refs.tooltip.visible).toBe(false)
+    })
+    await asyncExpect(() => {
+      div.trigger('mouseleave')
+    })
+    await asyncExpect(() => {
+      expect(onVisibleChange).not.toHaveBeenCalled()
+      expect(wrapper.vm.$refs.tooltip.$refs.tooltip.visible).toBe(false)
+    })
+    await asyncExpect(() => {
+      // update `title` value.
+      wrapper.setProps({ title: 'Have a nice day!' })
+    })
+    await asyncExpect(() => {
+      wrapper.findAll('#hello').at(0).trigger('mouseenter')
+    })
+    await asyncExpect(() => {
+      expect(onVisibleChange).toHaveBeenLastCalledWith(true)
+      expect(wrapper.vm.$refs.tooltip.$refs.tooltip.visible).toBe(true)
+    }, 0)
+    await asyncExpect(() => {
+      wrapper.find('#hello').trigger('mouseleave')
+    })
+    await asyncExpect(() => {
+      expect(onVisibleChange).toHaveBeenLastCalledWith(false)
+      expect(wrapper.vm.$refs.tooltip.$refs.tooltip.visible).toBe(false)
+    })
+    await asyncExpect(() => {
+      // add `visible` props.
+      wrapper.setProps({ visible: false })
+    })
+    await asyncExpect(() => {
+      wrapper.find('#hello').trigger('mouseenter')
+    })
+    await asyncExpect(() => {
+      expect(onVisibleChange).toHaveBeenLastCalledWith(true)
+      lastCount = onVisibleChange.mock.calls.length
+      expect(wrapper.vm.$refs.tooltip.$refs.tooltip.visible).toBe(false)
+    })
+    await asyncExpect(() => {
+      // always trigger onVisibleChange
+      wrapper.trigger('mouseleave')
+    })
+    await asyncExpect(() => {
+      expect(onVisibleChange.mock.calls.length).toBe(lastCount) // no change with lastCount
+      expect(wrapper.vm.$refs.tooltip.$refs.tooltip.visible).toBe(false)
+    })
+    await asyncExpect(() => {
+
+    })
+  })
+
+  // it('should hide when mouse leave native disabled button', () => {
+  //   const onVisibleChange = jest.fn()
+  //   const wrapper = mount(
+  //     <Tooltip
+  //       title='xxxxx'
+  //       mouseEnterDelay={0}
+  //       mouseLeaveDelay={0}
+  //       onVisibleChange={onVisibleChange}
+  //     >
+  //       <button disabled>Hello world!</button>
+  //     </Tooltip>
+  //   )
+
+  //   expect(wrapper.find('span')).toHaveLength(1)
+  //   const button = wrapper.find('span').at(0)
+  //   button.dispatchEvent(new MouseEvent('mouseenter'))
+  //   expect(onVisibleChange).toBeCalledWith(true)
+  //   expect(wrapper.vm.$refs.tooltip.$refs.tooltip.visible).toBe(true)
+
+  //   button.trigger('mouseleave')
+  //   expect(onVisibleChange).toBeCalledWith(false)
+  //   expect(wrapper.vm.$refs.tooltip.$refs.tooltip.visible).toBe(false)
+  // })
+
+  // it('should hide when mouse leave antd disabled Button', () => {
+  //   const onVisibleChange = jest.fn()
+  //   const wrapper = mount(
+  //     <Tooltip
+  //       title='xxxxx'
+  //       mouseEnterDelay={0}
+  //       mouseLeaveDelay={0}
+  //       onVisibleChange={onVisibleChange}
+  //     >
+  //       <Button disabled>Hello world!</Button>
+  //     </Tooltip>
+  //   )
+
+  //   expect(wrapper.render()).toMatchSnapshot()
+  //   const button = wrapper.find('span').at(0)
+  //   button.dispatchEvent(new MouseEvent('mouseenter'))
+  //   expect(onVisibleChange).toBeCalledWith(true)
+  //   expect(wrapper.vm.$refs.tooltip.$refs.tooltip.visible).toBe(true)
+
+  //   button.trigger('mouseleave')
+  //   expect(onVisibleChange).toBeCalledWith(false)
+  //   expect(wrapper.vm.$refs.tooltip.$refs.tooltip.visible).toBe(false)
+  // })
+
+  // it('should render disabled Button style properly', () => {
+  //   const wrapper1 = mount(
+  //     <Tooltip title='xxxxx'>
+  //       <Button disabled>Hello world!</Button>
+  //     </Tooltip>
+  //   )
+  //   const wrapper2 = mount(
+  //     <Tooltip title='xxxxx'>
+  //       <Button disabled style={{ display: 'block' }}>Hello world!</Button>
+  //     </Tooltip>
+  //   )
+  //   expect(wrapper1.find('span').at(0).element.style.display).toBe('inline-block')
+  //   expect(wrapper2.find('span').at(0).element.style.display).toBe('block')
+  // })
+
+  // it('should not wrap span when trigger is not hover', () => {
+  //   const wrapper = mount(
+  //     <Tooltip
+  //       title='xxxxx'
+  //       trigger='click'
+  //       mouseEnterDelay={0}
+  //       mouseLeaveDelay={0}
+  //     >
+  //       <button disabled>Hello world!</button>
+  //     </Tooltip>
+  //   )
+
+  //   expect(wrapper.find('span')).toHaveLength(0)
+  // })
+
+  // it('should works for arrowPointAtCenter', () => {
+  //   const arrowWidth = 5
+  //   const horizontalArrowShift = 16
+  //   const triggerWidth = 200
+
+  //   const suit = () => {
+  //     const wrapper = mount(
+  //       <Tooltip
+  //         title='xxxxx'
+  //         trigger='click'
+  //         mouseEnterDelay={0}
+  //         mouseLeaveDelay={0}
+  //         placement='bottomLeft'
+  //       >
+  //         <button style={{ width: triggerWidth }}>
+  //           Hello world!
+  //         </button>
+  //       </Tooltip>
+  //     )
+  //     wrapper.find('button').at(0).trigger('click')
+  //     const popupLeftDefault = parseInt(wrapper.instance().getPopupDomNode().style.left, 10)
+
+  //     const wrapper2 = mount(
+  //       <Tooltip
+  //         title='xxxxx'
+  //         trigger='click'
+  //         mouseEnterDelay={0}
+  //         mouseLeaveDelay={0}
+  //         placement='bottomLeft'
+  //         arrowPointAtCenter
+  //       >
+  //         <button style={{ width: triggerWidth }}>
+  //           Hello world!
+  //         </button>
+  //       </Tooltip>
+  //     )
+  //     wrapper2.find('button').at(0).trigger('click')
+  //     const popupLeftArrowPointAtCenter = parseInt(wrapper2.instance().getPopupDomNode().style.left, 10)
+  //     expect(popupLeftArrowPointAtCenter - popupLeftDefault).toBe((triggerWidth / 2) - horizontalArrowShift - arrowWidth)
+  //   }
+  //   jest.dontMock('rc-trigger', suit)
+  // })
+})