fix: 完善单测demo;升级单测版本
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@@ -15,6 +15,9 @@ const mockCount = { data: 999 }
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describe('单元测试demo', () => {
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test('Vue组件--点击按钮后count的值+1', async () => {
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// 若组件中使用了vue-router,需要细化模拟相关内容
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require('vue-router').useRoute.mockReturnValue({ query: {} })
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require('vue-router').useRouter.mockReturnValue({ currentRoute: { value: { path: '/' } } })
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// 加载vue组件,获得实例
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const wrapper = mount(Test)
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// 取到文本和按钮的dom
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@@ -33,12 +36,39 @@ describe('单元测试demo', () => {
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/* 更多断言类型:https://jestjs.io/docs/expect */
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})
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test('Vue组件--获取路由中的参数', async () => {
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// query中带上lineTab参数
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require('vue-router').useRoute.mockReturnValue({ query: { lineTab: 'total' } })
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require('vue-router').useRouter.mockReturnValue({ currentRoute: { value: { path: '/' } } })
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// 加载vue组件,获得实例
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const wrapper = mount(Test)
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// 取到文本和按钮的dom
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const textNode = await wrapper.get('[test-id="tab"]')
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expect(textNode.text()).toBe('total')
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})
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test('Vue组件--模拟获取localstorage/sessionStorage的内容', async () => {
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require('vue-router').useRoute.mockReturnValue({ query: {} })
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require('vue-router').useRouter.mockReturnValue({ currentRoute: { value: { path: '/' } } })
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// 模拟getItem
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jest.spyOn(localStorage.__proto__, 'getItem').mockImplementation(key => key)
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// 加载vue组件,获得实例
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const wrapper = mount(Test)
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expect(wrapper.vm.localstorageValue).toBe('key')
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})
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test('Vue组件--直接获取vue实例中的data和method', async () => {
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require('vue-router').useRoute.mockReturnValue({ query: {} })
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require('vue-router').useRouter.mockReturnValue({ currentRoute: { value: { path: '/' } } })
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// 模拟axios返回数据
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// 测试内容只有一个axios请求的时候
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axios.get.mockResolvedValue(mockCount)
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// 加载vue组件,获得实例
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const wrapper = mount(Test)
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const wrapper = mount(Test, {
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global: {
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mocks: {
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$t: key => key
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}
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}
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})
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const textNode = await wrapper.get('[test-id="count"]')
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// 通过wrapper.vm.xxx直接执行click方法、获取data的数据
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expect(wrapper.vm.count).toBe(0)
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@@ -50,6 +80,8 @@ describe('单元测试demo', () => {
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})
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})
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test('Vue组件--多个axios请求', async () => {
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require('vue-router').useRoute.mockReturnValue({ query: {} })
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require('vue-router').useRouter.mockReturnValue({ currentRoute: { value: { path: '/' } } })
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// 模拟axios返回数据
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// 测试内容有多个url不同的axios请求的话,需分开写
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axios.get.mockImplementation(url => {
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@@ -69,10 +101,10 @@ describe('单元测试demo', () => {
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await wrapper.vm.$nextTick(() => {
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expect(textNode.text()).toBe('2')
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expect(textNode2.text()).toBe('title2')
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// 匹配整个对象
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expect(wrapper.vm.obj).toEqual({ id: 2, title: 'title2' })
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})
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})
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test('js方法--getNameByEventType', async () => {
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expect(getNameByEventType('http error')).toBe('http error ratio')
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})
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