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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@@ -1,5 +1,3 @@
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import 'jest-canvas-mock'
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import axios from 'axios'
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import { config } from '@vue/test-utils'
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/* 开启测试 */
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@@ -19,18 +17,19 @@ window.$dayJs = dayjs
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/* 模拟vue-router库,否则组件中引用vue-router的代码报错 */
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jest.mock('vue-router', () => {
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return {
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useRouter: function () { return { currentRoute: '/' } },
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useRoute: function () { return { query: {} } },
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useRouter: jest.fn(),
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useRoute: jest.fn(),
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createWebHashHistory: jest.fn(),
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createRouter: jest.fn().mockReturnValue({
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beforeEach: jest.fn()
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})
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}
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})
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/* 模拟axios */
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jest.mock('axios')
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/* 模拟$t */
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config.global.mocks.$t = key => key
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/* 模拟$route,具体用例中需要不同值时重写覆盖即可 */
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config.global.mocks.$route = { query: '' }
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/* 消除warn */
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jest.spyOn(console, 'warn').mockImplementation(() => {})
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@@ -8,6 +8,7 @@ const mockGet = {
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describe('NetworkOverviewLine.vue测试', () => {
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test('Metric=Bits/s', async () => {
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require('vue-router').useRoute.mockReturnValue({ query: {} })
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// 模拟axios返回数据
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axios.get.mockResolvedValue(mockGet)
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// 加载vue组件,获得实例
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@@ -31,8 +32,14 @@ describe('NetworkOverviewLine.vue测试', () => {
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expect(textNode2.text()).toEqual('87.56Mbps')
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resolve()
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}, 200))
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// 点击tab后,是否切换高亮状态
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const textNode3 = await wrapper.get('[test-id="tab2"]')
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await textNode3.trigger('click')
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expect(textNode3.classes()).toContain('is-active')
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})
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test('Metric=Packets/s', async () => {
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require('vue-router').useRoute.mockReturnValue({ query: {} })
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// 模拟axios返回数据
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axios.get.mockResolvedValue(mockGet)
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// 加载vue组件,获得实例
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