Reactjs WebStorm中的某些文件的代码覆盖率不起作用
我想为下面的目标代码编写一个UT:Reactjs WebStorm中的某些文件的代码覆盖率不起作用,reactjs,typescript,jestjs,webstorm,jetbrains-ide,Reactjs,Typescript,Jestjs,Webstorm,Jetbrains Ide,我想为下面的目标代码编写一个UT: // dev code import React, { useState } from 'react' import { Dropdown } from 'antd' import './style.scss' import classnames from 'classnames' import Menu from '@lib/Menu' const DEFAULT_TRIGGER_MODE = 'contextMenu' interface Conte
// dev code
import React, { useState } from 'react'
import { Dropdown } from 'antd'
import './style.scss'
import classnames from 'classnames'
import Menu from '@lib/Menu'
const DEFAULT_TRIGGER_MODE = 'contextMenu'
interface ContextMenuProps {
wrapClass?: string
menu?: { key: string; title: string }[]
children?: object
updateMenu?: (event) => { key: string; title: string }[]
visible?: boolean
triggerMode?: ('click' | 'hover' | 'contextMenu')[]
}
const updateMenuData =(eventObj, updateMenu, setMenu) => {
if (updateMenu) {
const newMenu = updateMenu(eventObj)
setMenu(newMenu)
}
}
const populateMenuNodes = (menuData) => {
if (menuData.length === 0) return <></>
return (
<Menu>
{menuData.map(({ key, title, onClick, disabled }, index) => (
key === 'menu.divider' ? <Menu.Divider key={key} /> : <Menu.Item key={key} onClick={onClick} disabled={disabled}>{title}</Menu.Item>
))}
</Menu>
)
}
const ContextMenu: React.FC<ContextMenuProps> = (props) => {
const [menu, setMenu] = useState(props.menu || [])
const { children, updateMenu, wrapClass, triggerMode = [DEFAULT_TRIGGER_MODE], ...rest } = props
return (
<div
className={classnames('mstr-as-context-menu', wrapClass)}
onContextMenu={(e) => {
updateMenuData(e, updateMenu, setMenu)
}}
>
<Dropdown overlay={populateMenuNodes(menu)} trigger={triggerMode} {...rest}>
{children}
</Dropdown>
</div>
)
}
export default ContextMenu
//开发代码
从“React”导入React,{useState}
从“antd”导入{Dropdown}
导入“./style.scss”
从“classnames”导入类名
从“@lib/Menu”导入菜单
const DEFAULT_TRIGGER_MODE='contextMenu'
接口上下文uprops{
wrapClass?:字符串
菜单?:{key:string;title:string}[]
儿童?:对象
UpdateNu?:(事件)=>{key:string;title:string}[]
可见?:布尔值
triggerMode?:(“单击”“悬停”“上下文菜单”)[]
}
const updateMenuData=(eventObj、updateMenu、setMenu)=>{
如果(更新){
const newMenu=updateMenu(eventObj)
设置菜单(新建菜单)
}
}
常量populateMenuNodes=(menuData)=>{
if(menuData.length==0)返回
返回(
{menuData.map({key,title,onClick,disabled},index)=>(
键=='菜单.分隔符'?:{title}
))}
)
}
const ContextMenu:React.FC=(道具)=>{
const[menu,setMenu]=useState(props.menu | |[])
const{children,updateMenu,wrapClass,triggerMode=[DEFAULT\u TRIGGER\u MODE],…rest}=props
返回(
{
updateMenuData(e、updateMenu、setMenu)
}}
>
{儿童}
)
}
导出默认上下文菜单
我已经为上面的目标代码编写了一个UT:
import React from 'react'
import { shallow } from 'enzyme'
import ContextMenu from '../index'
jest.mock('react', () => ({
...jest.requireActual('react'),
useState: jest.fn((menu) => [menu || []]),
}))
describe('ContextMenu/index.js', () => {
let component
let props
beforeEach(() => {
props = {
children: <div>Children</div>,
}
})
describe('Check rendered component: ', () => {
it('should render a component successfully', () => {
component = shallow(<ContextMenu {...props}/>)
})
it('should show Menu.Item', () => {
props = {
...props,
menu: [{key: '', title: 'title1'}]
}
component = shallow(<ContextMenu {...props}/>)
});
it('should show Menu.Divider', () => {
props = {
...props,
menu: [{key: 'menu.divider', title: 'title1'}]
}
component = shallow(<ContextMenu {...props}/>)
});
afterEach(() => {
expect(component).toMatchSnapshot()
})
})
})
从“React”导入React
从“酶”导入{shall}
从“../index”导入上下文菜单
mock('react',()=>({
…开玩笑,要求反应('react'),
useState:jest.fn((菜单)=>[menu | |[]),
}))
描述('ContextMenu/index.js',()=>{
let组件
让道具
在每个之前(()=>{
道具={
儿童:儿童,,
}
})
描述('检查渲染组件:',()=>{
它('应该成功呈现组件',()=>{
组件=浅()
})
它('应该显示菜单项',()=>{
道具={
…道具,
菜单:[{键:'',标题:'title1'}]
}
组件=浅()
});
它('应该显示Menu.Divider',()=>{
道具={
…道具,
菜单:[{key:'menu.divider',title:'title1'}]
}
组件=浅()
});
之后(()=>{
expect(component.toMatchSnapshot())
})
})
})
我成功地运行了测试
但是,我无法使用下面WebStorm的代码覆盖率特性获取目标代码的覆盖率数据
从下面的屏幕截图来看,WebStorm似乎不计算目标代码的代码覆盖率,而计算其他文件的代码覆盖率
我是提出这个问题的人 调查 我在终端中运行下面的命令,发现没有为相同的文件计算代码覆盖率
jest --coverage
因此,这不是关于WebStorm的具体问题。这只是一个关于Jest配置的问题
解决方案
查找Jest配置文件:Jest.config.js
module.exports = {
verbose: true,
testMatch: ['<rootDir>src/**/*\\.test\\.(ts|tsx|js|jsx)'],
globals: { __DEV__: true },
modulePaths: ['./src'],
moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'md'],
moduleNameMapper: {
'\\.(css|less|scss|gif)$': 'identity-obj-proxy',
'^.+\\.(css|scss)$': '<rootDir>/node_modules/jest-css-modules',
'\\.(css|less|scss|sass|gif)$': 'identity-obj-proxy',
'^antd/es': 'identity-obj-proxy',
'^@mstr/': 'identity-obj-proxy',
'^dnd-core$': 'dnd-core/dist/cjs',
'^react-dnd$': 'react-dnd/dist/cjs',
'^react-dnd-html5-backend$': 'react-dnd-html5-backend/dist/cjs',
'^react-dnd-touch-backend$': 'react-dnd-touch-backend/dist/cjs',
'^react-dnd-test-backend$': 'react-dnd-test-backend/dist/cjs',
'^react-dnd-test-utils$': 'react-dnd-test-utils/dist/cjs',
'\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$': 'identity-obj-proxy',
},
testResultsProcessor: './scripts/jest-results-processor.js',
coverageReporters: ['lcov', 'text', 'json-summary', 'cobertura'],
setupFiles: ["jest-canvas-mock"],
setupFilesAfterEnv: ['./jest.setup.js'],
collectCoverageFrom: [
'src/**/*.{js,jsx,ts,tsx}',
'!src/assets/**/*.{js,jsx,json,ts,tsx}',
'!src/lib/!(Canvas)/**/*.{js,jsx,json,ts,tsx}',
'!**/node_modules/**',
'!**/vendor/**',
'!**/env/**',
],
testPathIgnorePatterns: ['<rootDir>/src/components/xx/__tests__/data'],
snapshotSerializers: ['enzyme-to-json/serializer'],
}
将此行更改为:
'src/lib/**/*.{js,jsx,json,ts,tsx}',
因此,将计算lib
目录下所有文件(包括我正在处理的文件)的代码覆盖率
'src/lib/**/*.{js,jsx,json,ts,tsx}',