I integrated Cypress into my project for testing, and everything went well, however, when I want to make code coverage I could not find a solution for my issue.
我将Cypress集成到我的项目中进行测试,一切都很顺利,然而,当我想要进行代码覆盖时,我找不到解决问题的方法。
In NextJS 13, it does not support .babelrc
but SWC, however Istanbul requires .babelrc
as configuration!
在NextJS13中,它不支持.Babelrc而是SWC,但是伊斯坦布尔需要.Babelrc作为配置!
Please read this GitHub discussion
请阅读这篇GitHub讨论
If I configure .babelrc
and run my cypress and build scripts:
如果我配置.Babelrc并运行我的Cypress和构建脚本:
"cypress-open-component": "cypress open --component",
"cypress-open-e2e": "npm run instrument && cypress open --e2e",
"cypress-run-component": "npm run instrument && cypress run --component --spec src/components/core/*/*.cy.tsx --headless",
"instrument": "npx nyc instrument --compact=false src instrumented",
"coverage-report": "npx nyc report --reporter=html"
"build": "mv .babelrc.js .babel_ && next build; mv .babel_ .babelrc.js",
"start": "next start",
"lint": "next lint",
They work well.
它们工作得很好。
However, when I run npm run dev
:
但是,当我运行NPM时,运行dev:
"dev": "next dev",
I got an error:
我收到一个错误:
info Using external babel configuration from /home/alaeddine/Desktop/gersthofen-app/.babelrc.js
- error ./src/app/layout.tsx:2:1
Syntax error: "next/font" requires SWC although Babel is being used due to a custom babel config being present.
Read more: https://nextjs.org/docs/messages/babel-font-loader-conflict
<w> [webpack.cache.PackFileCacheStrategy] Restoring pack failed from /home/alaeddine/Desktop/gersthofen-app/.next/cache/webpack/client-development-fallback.pack.gz: Error: incorrect header check
- wait compiling /_error (client and server)...
- error ./src/app/layout.tsx:2:1
Syntax error: "next/font" requires SWC although Babel is being used due to a custom babel config being present.
Read more: https://nextjs.org/docs/messages/babel-font-loader-conflict
for the build script I used the solution but I see it as a tricky solution.
对于构建脚本,我使用了解决方案,但我认为它是一个棘手的解决方案。
2 Alternative
If I change the .babelrc.js
to .babelrc.build.js
, the npm run dev
works well because it ignore the babel file but the cypress failed:
如果我将.Babelrc.js更改为.Babelrc.Build.js,则npm run dev运行得很好,因为它忽略了babel文件,但cypress失败了:
npm run cypress-run-component
NPM运行柏树-运行-组件
(Run Starting)
┌────────────────────────────────────────────────────────────────────────────────────────────────┐
│ Cypress: 12.17.3 │
│ Browser: Electron 106 (headless) │
│ Node Version: v18.15.0 (/home/alaeddine/.nvm/versions/node/v18.15.0/bin/node) │
│ Specs: 1 found (indexButton.cy.tsx) │
│ Searched: src/components/core/Button/indexButton.cy.tsx │
└────────────────────────────────────────────────────────────────────────────────────────────────┘
────────────────────────────────────────────────────────────────────────────────────────────────────
Running: indexButton.cy.tsx (1 of 1)
17 assets
65 modules
ERROR in ./src/components/core/Button/index.tsx:14:1
Syntax error: Unexpected token, expected ","
12 | loading,
13 | icon,
> 14 | }: IButtonProps) => {
| ^
15 | const {
16 | button,
17 | primary,
client (webpack 5.86.0) compiled with 1 error in 6654 ms
1) An uncaught error was detected outside of a test
Please, how to make code coverage in NextJS 13 with Cypress?
请问,如何用Cypress在NextJS 13中进行代码覆盖?
cypress.config.ts
import { defineConfig } from "cypress";
export default defineConfig({
component: {
devServer: {
framework: "next",
bundler: "webpack",
webpackConfig: {
mode: "development",
devtool: false,
module: {
rules: [
// application and Cypress files are bundled like React components
// and instrumented using the babel-plugin-istanbul
// (we will filter the code coverage for non-application files later)
{
test: /\.tsx$/,
exclude: /node_modules/,
use: {
loader: "babel-loader",
options: {
presets: ["@babel/preset-env", "@babel/preset-react"],
plugins: [
// we could optionally insert this plugin
// only if the code coverage flag is on
"istanbul",
],
},
},
},
],
},
},
},
// Instrument the code
setupNodeEvents(on, config) {
require("@cypress/code-coverage/task")(on, config);
return config;
},
},
e2e: {
setupNodeEvents(on, config) {
// implement node event listeners here
},
},
video: false,
});
next.config.ts
/** @type {import('next').NextConfig} */
const nextConfig = {
async rewrites() {
if (process.env.NODE_ENV === "development") {
return [
{
source: "/components",
destination: "/page",
},
];
}
return [];
},
};
module.exports = nextConfig;
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