我正在尝试使用 Jest 运行一些测试,但我一直收到错误消息。这与 TypeScript 配置文件有关,我已经搜索过但没有找到太多。我正在使用 NodeJS、TypeORM 和 TypeScript。
我在运行 yarn test
时收到此错误:
错误:Jest:无法解析 TypeScript 配置文件
C:\Users\demis\Documents\Projects\Personal\nlw_node\jest.config.ts 类型错误:registerer.enabled 不是函数*** 在 readConfigFileAndSetRootDir (C:\Users\demis\Documents\Projects\Personal\nlw_node\node_modules\jest-config\build\readConfigFileAndSetRootDir.js:150:13) 在 readConfig (C:\Users\demis\Documents\Projects\Personal\nlw_node\node_modules\jest-config\build\index.js:217:18) 在 readConfigs (C:\Users\demis\Documents\Projects\Personal\nlw_node\node_modules\jest-config\build\index.js:406:26) 在 runCLI (C:\Users\demis\Documents\Projects\Personal\nlw_node\node_modules@jest\core\build\cli\index.js:230:59) 在 Object.run (C:\Users\demis\Documents\Projects\Personal\nlw_node\node_modules\jest-cli\build\cli\index.js:163:37)
First.test.ts
:
describe("First", () => {
it("should", () => {
expect(2 + 2).toBe(4);
});
});
jest.config.ts
:
export default {
bail: true,
clearMocks: true,
coverageProvider: "v8",
preset: "ts-jest",
testEnvironment: "node",
testMatch: ["**/tests/*.test.ts"]
};
tsconfig.json
:
{
"compilerOptions": {
"lib": [
"es5",
"es6"
],
"target": "es5",
"module": "commonjs",
"moduleResolution": "node",
"outDir": "./build",
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"sourceMap": true
}
}
package.json
:
{
"name": "nlw_node",
"version": "0.0.1",
"description": "Awesome project developed with TypeORM.",
"devDependencies": {
"@types/express": "^4.17.11",
"@types/jest": "^26.0.20",
"@types/node": "^8.0.29",
"@types/uuid": "^8.3.0",
"jest": "^26.6.3",
"nodemon": "^2.0.7",
"ts-jest": "^26.5.3",
"ts-node": "3.3.0",
"typescript": "^4.2.3"
},
"dependencies": {
"body-parser": "^1.18.1",
"express": "^4.15.4",
"mysql": "^2.14.1",
"reflect-metadata": "^0.1.10",
"typeorm": "0.2.31",
"uuid": "^8.3.2"
},
"scripts": {
"start": "nodemon src/index.ts",
"typeorm": "ts-node node_modules/typeorm/cli.js",
"test": "jest"
}
}
ormconfig.ts
:
{
"type": "mysql",
"host": "localhost",
"port": 3306,
"username": "root",
"password": "root",
"database": "nlw_node",
"synchronize": true,
"logging": false,
"entities": ["src/api/models/**.ts"],
"migrations": ["src/database/migrations/**.ts"],
"cli": {
"entitiesDir": "src/entity",
"migrationsDir": "./src/database/migrations",
"subscribersDir": "src/subscriber"
}
}