package.json中的Jest配置失败

Question

您好，这是我第一次使用Jest。我正在尝试将其配置为与酶和webpack一起使用。我将此添加到package.json文件中进行测试：

"scripts": {
    "test": "jest",
    "test:watch": "jest --watch",
  }

开玩笑的配置：

"jest": {
    "setupTestFrameworkScriptFile": "<rootDir>_tests_/setup/setupEnzyme.js",
    "testPathIgnorePatterns": [
      "<rootDir>/_tests_/setup/"
    ],
    "verbose": true
  }

这是我的setupEnzyme文件：

import Enzyme from 'enzyme';
import Adapter from 'enzyme-adapter-react-16';

Enzyme.configure({ adapter: new Adapter() });

但是我收到错误Module <rootDir>_tests_/setup/setupEnzyme.js in the setupTestFrameworkScriptFile option was not found.

Answer 1

就像这样，我在package.json中提到了

           "jest": {
                 "snapshotSerializers": ["enzyme-to-json/serializer"],
                  "moduleFileExtensions": ["js","jsx" ],
                  "setupTestFrameworkScriptFile": "<rootDir>src/setupTests.js",
                  "moduleNameMapper": {"^.+\\.(css|scss)$": "identity-obj-proxy"
                  },
                  "verbose": true,
                  "transform": {"^.+\\.(js|jsx)$": "babel-jest",
                               "^.+\\.css$": "jest-css",
                               "^(?!.*\\.(js|jsx|css|json)$)": "jest-file"
                               },
                   "testURL": "http://localhost"
                   },

Answer 2

这是我的项目中使用笑话的package.json。我在同一级别上有一个src和test文件夹。与您不同，我在setupFiles的{​​{1}}对象中使用jest数组。

package.json

这里是{ "name": "app", "version": "1.0.0", "description": "App", "main": "index.js", "scripts": { "start": "webpack-dev-server --colors --mode=development", "build": "webpack --mode=production", "test": "jest", "test:watch": "jest --watch", "test:coverage": "jest --coverage" }, "jest": { "setupFiles": [ "./test/jestsetup.js" ], "snapshotSerializers": [ "enzyme-to-json/serializer" ], "moduleNameMapper": { "\\.(css|less)$": "identity-obj-proxy" } }, "keywords": [ "react" ], "license": "MIT", "devDependencies": { "babel-jest": "^23.2.0", "babel-loader": "^7.1.3", "babel-preset-env": "^1.6.1", "babel-preset-react": "^6.24.1", "babel-preset-stage-2": "^6.24.1", "css-loader": "^0.28.11", "enzyme": "^3.3.0", "enzyme-adapter-react-16": "^1.1.1", "enzyme-to-json": "^3.3.4", "identity-obj-proxy": "^3.0.0", "jest": "^23.2.0", "react-test-renderer": "^16.4.1", "style-loader": "^0.21.0", "webpack": "^4.6.0", "webpack-cli": "^2.0.15", "webpack-dev-server": "^3.1.3" }, "dependencies": { "react": "^16.3.2", "react-dom": "^16.3.2" } }

jestsetup.js