test: add checkbox & switch test

Author: tangjinzhou

components/checkbox/__tests__/checkbox.test.js

@@ -0,0 +1,26 @@
+
+import { mount } from '@vue/test-utils'
+import Checkbox from '..'
+import focusTest from '../../../tests/shared/focusTest'
+
+describe('Checkbox', () => {
+  focusTest(Checkbox)
+
+  it('responses hover events', () => {
+    const onMouseEnter = jest.fn()
+    const onMouseLeave = jest.fn()
+
+    const wrapper = mount(Checkbox, {
+      listeners: {
+        mouseenter: onMouseEnter,
+        mouseleave: onMouseLeave,
+      },
+    })
+
+    wrapper.trigger('mouseenter')
+    expect(onMouseEnter).toHaveBeenCalled()
+
+    wrapper.trigger('mouseleave')
+    expect(onMouseLeave).toHaveBeenCalled()
+  })
+})

components/checkbox/__tests__/group.test.js

@@ -0,0 +1,65 @@
+import { mount } from '@vue/test-utils'
+import Checkbox from '../index'
+
+describe('CheckboxGroup', () => {
+  it('should work basically', () => {
+    const onChange = jest.fn()
+    const wrapper = mount(
+      {
+        render () {
+          return <Checkbox.Group options={['Apple', 'Pear', 'Orange']} onChange={onChange} />
+        },
+      }
+    )
+    wrapper.findAll('.ant-checkbox-input').at(0).trigger('change')
+    expect(onChange).toBeCalledWith(['Apple'])
+    wrapper.findAll('.ant-checkbox-input').at(1).trigger('change')
+    expect(onChange).toBeCalledWith(['Apple', 'Pear'])
+    wrapper.findAll('.ant-checkbox-input').at(2).trigger('change')
+    expect(onChange).toBeCalledWith(['Apple', 'Pear', 'Orange'])
+    wrapper.findAll('.ant-checkbox-input').at(1).trigger('change')
+    expect(onChange).toBeCalledWith(['Apple', 'Orange'])
+  })
+
+  it('does not trigger onChange callback of both Checkbox and CheckboxGroup when CheckboxGroup is disabled', () => {
+    const onChangeGroup = jest.fn()
+
+    const options = [
+      { label: 'Apple', value: 'Apple' },
+      { label: 'Pear', value: 'Pear' },
+    ]
+
+    const groupWrapper = mount(
+      {
+        render () {
+          return <Checkbox.Group options={options} onChange={onChangeGroup} disabled />
+        },
+      }
+    )
+    groupWrapper.findAll('.ant-checkbox-input').at(0).trigger('change')
+    expect(onChangeGroup).not.toBeCalled()
+    groupWrapper.findAll('.ant-checkbox-input').at(1).trigger('change')
+    expect(onChangeGroup).not.toBeCalled()
+  })
+
+  it('does not prevent onChange callback from Checkbox when CheckboxGroup is not disabled', () => {
+    const onChangeGroup = jest.fn()
+
+    const options = [
+      { label: 'Apple', value: 'Apple' },
+      { label: 'Orange', value: 'Orange', disabled: true },
+    ]
+
+    const groupWrapper = mount(
+      {
+        render () {
+          return <Checkbox.Group options={options} onChange={onChangeGroup} />
+        },
+      }
+    )
+    groupWrapper.findAll('.ant-checkbox-input').at(0).trigger('change')
+    expect(onChangeGroup).toBeCalledWith(['Apple'])
+    groupWrapper.findAll('.ant-checkbox-input').at(1).trigger('change')
+    expect(onChangeGroup).toBeCalledWith(['Apple'])
+  })
+})

components/switch/__tests__/index.test.js

@@ -0,0 +1,6 @@
+import Switch from '..'
+import focusTest from '../../../tests/shared/focusTest'
+
+describe('Switch', () => {
+  focusTest(Switch)
+})

tests/setup.js

@@ -31,3 +31,17 @@ Vue.component('transition-group', {
   },
 })
 
+Vue.prototype.$emit = function () {
+  const vm = this
+  const args = [].slice.call(arguments, 0)
+  const filterEvent = []
+  const eventName = args[0]
+  if (args.length && vm.$listeners[eventName]) {
+    if (filterEvent.includes(eventName)) {
+      vm.$emit(eventName, ...args.slice(1))
+    } else {
+      vm.$listeners[eventName](...args.slice(1))
+    }
+  }
+}
+