test: add popconfirm test

components/popconfirm/__tests__/__snapshots__/index.test.js.snap

@@ -0,0 +1,19 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Popconfirm should show overlay when trigger is clicked 1`] = `
+<div class="ant-popover-content">
+  <div class="ant-popover-arrow"></div>
+  <div class="ant-popover-inner">
+    <div class="ant-popover-inner-content">
+      <div class="ant-popover-message">
+        <i class="anticon anticon-exclamation-circle"></i>
+        <div class="ant-popover-message-title">code</div>
+      </div>
+      <div class="ant-popover-buttons">
+        <button type="button" class="ant-btn ant-btn-default ant-btn-sm"><span>Cancel</span></button>
+        <button type="button" class="ant-btn ant-btn-primary ant-btn-sm"><span>OK</span></button>
+      </div>
+    </div>
+  </div>
+</div>
+`;

components/popconfirm/__tests__/index.test.js

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+import { mount } from '@vue/test-utils'
+import { asyncExpect } from '@/tests/utils'
+import Popconfirm from '..'
+function $$ (className) {
+  return document.body.querySelectorAll(className)
+}
+describe('Popconfirm', () => {
+  it('should popup Popconfirm dialog', async () => {
+    const onVisibleChange = jest.fn()
+
+    const wrapper = mount(
+      {
+        render () {
+          return <Popconfirm
+            title={<span class='popconfirm-test'>Are you sure delete this task?</span>}
+            okText='Yes'
+            cancelText='No'
+            mouseEnterDelay={0}
+            mouseLeaveDelay={0}
+            onVisibleChange={onVisibleChange}
+          >
+            <span>Delete</span>
+          </Popconfirm>
+        },
+      }, { sync: false, attachToDocument: true })
+    let triggerNode = null
+    await asyncExpect(() => {
+      triggerNode = wrapper.findAll('span').at(0)
+      triggerNode.trigger('click')
+    })
+    await asyncExpect(() => {
+      expect(onVisibleChange).toBeCalledWith(true)
+      expect($$('.popconfirm-test').length).toBe(1)
+      triggerNode.trigger('click')
+    }, 1000)
+    await asyncExpect(() => {
+      expect(onVisibleChange).toBeCalledWith(false)
+    })
+  })
+
+  it('should show overlay when trigger is clicked', async () => {
+    const popconfirm = mount({
+      render () {
+        return <Popconfirm ref='popconfirm' title='code'>
+          <span>show me your code</span>
+        </Popconfirm>
+      },
+    }, { sync: false })
+
+    await asyncExpect(() => {
+      expect(popconfirm.vm.$refs.popconfirm.getPopupDomNode()).toBe(null)
+
+      popconfirm.find('span').trigger('click')
+    }, 1000)
+    await asyncExpect(() => {
+      const popup = popconfirm.vm.$refs.popconfirm.getPopupDomNode()
+      expect(popup).not.toBe(null)
+      expect(popup.className).toContain('ant-popover-placement-top')
+      expect(popup.innerHTML).toMatchSnapshot()
+    }, 1000)
+  })
+})