{"id":38742,"date":"2023-05-23T21:11:26","date_gmt":"2023-11-11T16:43:50","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%bd%93%e5%b0%86%e6%b5%8b%e8%af%95%e6%a1%86%e6%9e%b6%e4%bb%8eangular13%e8%bf%81%e7%a7%bb%e5%88%b0jest%e6%97%b6%e7%9a%84%e5%a4%87%e5%bf%98%e5%bd%95\/"},"modified":"2024-04-30T05:39:03","modified_gmt":"2024-04-29T21:39:03","slug":"%e5%bd%93%e5%b0%86%e6%b5%8b%e8%af%95%e6%a1%86%e6%9e%b6%e4%bb%8eangular13%e8%bf%81%e7%a7%bb%e5%88%b0jest%e6%97%b6%e7%9a%84%e5%a4%87%e5%bf%98%e5%bd%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%bd%93%e5%b0%86%e6%b5%8b%e8%af%95%e6%a1%86%e6%9e%b6%e4%bb%8eangular13%e8%bf%81%e7%a7%bb%e5%88%b0jest%e6%97%b6%e7%9a%84%e5%a4%87%e5%bf%98%e5%bd%95\/","title":{"rendered":"\u5f53\u5c06\u6d4b\u8bd5\u6846\u67b6\u4eceAngular13\u8fc1\u79fb\u5230Jest\u65f6\u7684\u5907\u5fd8\u5f55"},"content":{"rendered":"

\u9996\u5148<\/h2>\n

\u8fd9\u662f\u5c06Angular\u7684\u6d4b\u8bd5\u6846\u67b6\u4ece\u9ed8\u8ba4\u7684Jasmine + Karma\u66f4\u6539\u4e3aJest\u65f6\u7684\u5907\u5fd8\u5f55\u3002<\/p>\n

\u5173\u4e8e\u62a5\u9053\uff0c\u6211\u4eec\u6b63\u5728\u8c03\u67e5\u4e2d\u3002\u5982\u679c\u6709\u597d\u7684\u6587\u7ae0\uff0c\u8bf7\u5728\u8bc4\u8bba\u4e2d\u544a\u8bc9\u6211\u4eec\uff0c\u6211\u4eec\u4f1a\u5f88\u5f00\u5fc3\u7684\u3002<\/p>\n

\u7248\u672c\u786e\u8ba4\u65f6<\/h2>\n
_                      _                 ____ _     ___\r\n    \/ \\ <\/span>  _ __   __ _ _   _| | __ _ _ __     \/ ___| |   |_ _|\r\n   \/ \u25b3 \\ <\/span>| '_ \\ \/ _` | | | | |\/ _` | '<\/span>__|   | |   | |    | |\r\n  \/ ___ \\|<\/span> | | | (<\/span>_| | |_| | | (<\/span>_| | |      | |___| |___ | |\r\n \/_\/   \\_\\_<\/span>| |_|\\_<\/span>_, |\\_<\/span>_,_|_|\\_<\/span>_,_|_|       \\_<\/span>___|_____|___|\r\n                |___\/\r\n    \r\n\r\nAngular CLI: 13.3.9\r\nNode: 14.15.0\r\nPackage Manager: npm 6.14.8\r\nOS: linux arm64\r\n\r\nAngular: 13.3.11\r\n... animations, common, compiler, compiler-cli, core, forms\r\n... language-service, localize, platform-browser\r\n... platform-browser-dynamic, router\r\n\r\nPackage                            Version\r\n------------------------------------------------------------<\/span>\r\n@angular-devkit\/architect          0.1303.9\r\n@angular-devkit\/build-angular      13.3.9\r\n@angular-devkit\/core               13.3.9\r\n@angular-devkit\/schematics         13.3.9\r\n@angular\/cdk                       13.3.9\r\n@angular\/cli                       13.3.9\r\n@angular\/material                  13.3.9\r\n@angular\/material-moment-adapter   13.3.9\r\n@schematics\/angular                13.3.9\r\nrxjs                               6.5.5\r\ntypescript                         4.6.4\r\n<\/code><\/pre>\n
Jest\u7684\u5f15\u5165\u6d41\u7a0b<\/h2>\n
    \u5b89\u88c5@types\/jest\u548cjest-preset-angular\u3002<\/ol>\n
    npm i -D<\/span> jest @types\/jest jest-preset-angular\r\n<\/code><\/pre>\n
    2. \u6dfb\u52a0 Jest \u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n
    touch <\/span>jest.config.js src\/setup-jest.ts\r\n<\/code><\/pre>\n
    3. \u4ece jest.config.js \u6587\u4ef6\u4e2d\u52a0\u8f7d jest-preset-angular \u9884\u8bbe\u3002<\/p>\n
    require<\/span>(<\/span>'<\/span>jest-preset-angular<\/span>'<\/span>);<\/span>\r\n\r\nmodule<\/span>.<\/span>exports<\/span> =<\/span> {<\/span>\r\n    preset<\/span>:<\/span> '<\/span>jest-preset-angular<\/span>'<\/span>,<\/span>\r\n    setupFilesAfterEnv<\/span>:<\/span> [<\/span>'<\/span><rootDir>\/src\/setup-jest.ts<\/span>'<\/span>],<\/span> \/\/ \u5f8c\u8ff0\u3059\u308b@angular-builders\/jest\u5c0e\u5165\u6642\u306f\u8a2d\u5b9a\u304c\u88ab\u308b\u306e\u3067\u4e0d\u8981\u306b\u306a\u308b<\/span>\r\n    moduleNameMapper<\/span>:<\/span> {<\/span>\r\n        '<\/span>^src\/(.*)$<\/span>'<\/span>:<\/span> '<\/span><rootDir>\/src\/$1<\/span>'<\/span>,<\/span>\r\n      },<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
    \u4ece src\/setup-jest.ts \u5bfc\u5165 jest-preset-angular\/setup-jest \u6a21\u5757\u3002<\/p>\n
    import<\/span> '<\/span>jest-preset-angular\/setup-jest<\/span>'<\/span>;<\/span>\r\n<\/code><\/pre>\n
    5. \u5bf9 tsconfig.spec.json \u8fdb\u884c\u4fee\u6539\u3002<\/p>\n
    {<\/span>\r\n  \"extends\"<\/span>:<\/span> \".\/tsconfig.json\"<\/span>,<\/span>\r\n  \"compilerOptions\"<\/span>:<\/span> {<\/span>\r\n    \"outDir\"<\/span>:<\/span> \".\/out-tsc\/spec\"<\/span>,<\/span>\r\n    \"types\"<\/span>:<\/span> [<\/span>\r\n      \"jest\"<\/span> \/\/<\/span> jest\u306b\u5909\u66f4<\/span>\r\n    ]<\/span>\r\n  },<\/span>\r\n  \"files\"<\/span>:<\/span> [<\/span>\r\n    \"src\/setup-jest.ts\"<\/span>  \/\/<\/span> \u8ffd\u52a0\u3057\u305fsetup-jest.ts\u306b\u5909\u66f4<\/span>\r\n  ],<\/span>\r\n  \"include\"<\/span>:<\/span> [<\/span>\r\n    \"src\/**\/*.spec.ts\"<\/span>,<\/span>\r\n    \"src\/**\/*.d.ts\"<\/span>\r\n  ]<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
    6. \u5378\u8f7d\u4e0d\u518d\u9700\u8981\u7684\u8f6f\u4ef6\u5305\uff0c\u5220\u9664\u65e7\u7684\u914d\u7f6e\u6587\u4ef6 karma.conf.js \u548c\u6d4b\u8bd5\u6587\u4ef6 src\/test.js\u3002<\/p>\n
    rm <\/span>karma.conf.js src\/test.ts\r\n<\/code><\/pre>\n
    npm uninstall jasmine-core karma karma-chrome-launcher karma-coverage-istanbul-reporter karma-jasmine karma-mocha-reporter @types\/jasmine @types\/jasminewd2 karma-jasmine-html-reporter\r\n<\/code><\/pre>\n
    \u56e0\u4e3a\u5728protractor.conf.js\u4e2d\u4f7f\u7528\u4e86jasmine-spec-reporter\uff0c\u6240\u4ee5\u5148\u6401\u7f6e\u4e00\u4e0b\u3002<\/p>\n
    7. \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6267\u884c\uff0c\u5c06\u73b0\u6709\u7684\u6d4b\u8bd5\u4ee3\u7801\u8fc1\u79fb\u5230Jest\u3002<\/p>\n
    npx jest-codemods\r\n<\/code><\/pre>\n
    \u7528 npx jest \u547d\u4ee4\u786e\u8ba4\u6d4b\u8bd5\u662f\u5426\u6267\u884c\u3002<\/p>\n
    \u8bbe\u7f6eng test\u547d\u4ee4\u7684\u914d\u7f6e<\/h2>\n
    1. \u5b89\u88c5 @angular-builders\/jest\u3002
    \n@angular-builders\/jest\u662f\u4e00\u4e2a\u80fd\u591f\u901a\u8fc7ng test\u547d\u4ee4\u8fd0\u884c\u4f7f\u7528jest-preset-angular\u8fdb\u884c\u6d4b\u8bd5\u7684\u5305\u3002<\/p>\n
    npm i -D<\/span> @angular-builders\/jest\r\n<\/code><\/pre>\n
    \u5c06angular.json\u4e2d\u7684test\u547d\u4ee4\u4fee\u6539\u5982\u4e0b\u3002<\/p>\n
            \"test\"<\/span>:<\/span> {<\/span>\r\n          \"builder\"<\/span>:<\/span> \"@angular-builders\/jest:run\"<\/span>,<\/span>\r\n          \"options\"<\/span>:<\/span> {<\/span>\r\n            \"configPath\"<\/span>:<\/span> \".\/jest.config.js\"<\/span>\r\n          }<\/span>\r\n        }<\/span>\r\n<\/code><\/pre>\n
    configPath \uff1a\u76f8\u5bfe\u7684\u306a jest \u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u30d1\u30b9\u3092\u6307\u5b9a<\/p>\n
    3. \u4f7f\u7528ng test\u6307\u4ee4\u53ef\u4ee5\u6267\u884cJest\u7684\u6d4b\u8bd5\u3002<\/p>\n
    \u5728\u8fdb\u884cng test\u65f6\uff0c\u51fa\u73b0\u4e86\u901a\u8fc7import\u5f15\u5165\u7684\u9519\u8bef\u3002<\/h3>\n
    Cannot set base providers because it has already been called\r\nimport 'jest-preset-angular\/setup-jest';\r\n<\/code><\/pre>\n
    src\/setup-jest.ts\u3068node_modules\/@angular-builders\/jest\/dist\/jest-config\/setup.js\u306eimport\u304c\u88ab\u3063\u3066\u3044\u305f\u305f\u3081\u767a\u751f\u3057\u307e\u3057\u305f\u3002
    \n\u4eca\u56de\u306fsrc\/setup-jest.ts\u304c\uff11\u884c\u306e\u307f\u3060\u3063\u305f\u306e\u3067\u3001jest.config.js\u306esetupFilesAfterEnv\u3092\u6307\u5b9a\u3057\u306a\u3044\u5f62\u3067\u4fee\u6b63\u3057\u307e\u3057\u305f\u3002<\/p>\n
    require<\/span>(<\/span>'<\/span>jest-preset-angular<\/span>'<\/span>);<\/span>\r\n\r\nmodule<\/span>.<\/span>exports<\/span> =<\/span> {<\/span>\r\n    preset<\/span>:<\/span> '<\/span>jest-preset-angular<\/span>'<\/span>,<\/span>\r\n    \/\/setupFilesAfterEnv: ['<rootDir>\/src\/setup-jest.ts'],<\/span>\r\n    moduleNameMapper<\/span>:<\/span> {<\/span>\r\n        '<\/span>^src\/(.*)$<\/span>'<\/span>:<\/span> '<\/span><rootDir>\/src\/$1<\/span>'<\/span>,<\/span>\r\n      },<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
    \u4ee5\u6587\u4ef6\u5355\u4f4d\u6216\u76ee\u5f55\u5355\u4f4d\u4e3a\u57fa\u51c6\u8fdb\u884c\u6d4b\u8bd5\u3002<\/h2>\n
      \u30c6\u30b9\u30c8\u5b9f\u884c\u3057\u305f\u3044\u30d5\u30a1\u30a4\u30eb\u307e\u305f\u306f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u30d1\u30b9\u3092npx jest\u306e\u672b\u5c3e\u306b\u6307\u5b9a\u3059\u308b\u3002<\/ul>\n
      npx jest src\/app\/pages\/xxx\/xxx.component.spec.ts\r\n<\/code><\/pre>\n
      @angular-builders\/jest\u4f7f\u7528\u6642\u306f\u4e0b\u8a18\u3067\u5b9f\u884c\u53ef\u80fd\u3002<\/p>\n
      ng test<\/span> --test-path-pattern<\/span>=<\/span>${<\/span>file_path<\/span>}<\/span>\r\n<\/code><\/pre>\n
      \u5c06zone.js\u7684\u7248\u672c\u66f4\u65b0\u81f30.11.1\u6216\u66f4\u9ad8\u7248\u672c\u3002<\/h3>\n
        \n
      • \n
          v0.11.1\u3088\u308a\u4ee5\u524d\u306f\u30d5\u30a1\u30a4\u30eb\u69cb\u6210\u304c\u7570\u306a\u308a\u30a8\u30e9\u30fc\u306b\u306a\u308b\u305f\u3081\u3001v0.11.1\u4ee5\u964d\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u884c\u3046\u3002<\/ul>\n<\/li>\n<\/ul>\n
          v0.11.1\u4ee5\u964d\u3001Zone.js\u306fAngularPackageFormat\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u3002<\/p>\n
          \u5728 launch.json \u4e2d\u6dfb\u52a0 Jest \u6d4b\u8bd5\u7684\u8c03\u8bd5\u914d\u7f6e\u3002<\/h2>\n
            launch.json\u306b\u30c7\u30d0\u30c3\u30b0\u69cb\u6210\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3081\u3001devcontainer.json > launch > configurations\u306b\u4e0b\u8a18\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/ul>\n
            {<\/span>\r\n    ...<\/span>\r\n    \"launch\"<\/span>:<\/span> {<\/span>\r\n      \"configurations\"<\/span>:<\/span> [<\/span>\r\n        ...<\/span>\r\n        {<\/span> \/\/<\/span> Jest\uff1a\u5168\u30d5\u30a1\u30a4\u30eb\u30c7\u30d0\u30c3\u30b0<\/span>\r\n          \"type\"<\/span>:<\/span> \"node\"<\/span>,<\/span>\r\n          \"request\"<\/span>:<\/span> \"launch\"<\/span>,<\/span>\r\n          \"name\"<\/span>:<\/span> \"Jest All\"<\/span>,<\/span>\r\n          \"program\"<\/span>:<\/span> \"${workspaceFolder}\/node_modules\/@angular\/cli\/bin\/ng\"<\/span>,<\/span>\r\n          \"cwd\"<\/span>:<\/span> \"${workspaceFolder}\"<\/span>,<\/span>\r\n          \"args\"<\/span>:<\/span> [<\/span>\r\n            \"test\"<\/span>,<\/span>\r\n            \"--testMatch=<\/span>\\\"<\/span>**\/+(*.)+(spec|test).+(ts|js)?(x)<\/span>\\\"<\/span>\"<\/span>,<\/span>\r\n            \"--runInBand\"<\/span>\r\n          ],<\/span>\r\n          \"console\"<\/span>:<\/span> \"integratedTerminal\"<\/span>,<\/span>\r\n          \"internalConsoleOptions\"<\/span>:<\/span> \"neverOpen\"<\/span>,<\/span>\r\n        },<\/span>\r\n        {<\/span> \/\/<\/span> Jest\uff1a\u5358\u4e00\u30d5\u30a1\u30a4\u30eb\u30c7\u30d0\u30c3\u30b0<\/span>\r\n          \"type\"<\/span>:<\/span> \"node\"<\/span>,<\/span>\r\n          \"request\"<\/span>:<\/span> \"launch\"<\/span>,<\/span>\r\n          \"name\"<\/span>:<\/span> \"Jest Current File\"<\/span>,<\/span>\r\n          \"program\"<\/span>:<\/span> \"${workspaceFolder}\/node_modules\/@angular\/cli\/bin\/ng\"<\/span>,<\/span>\r\n          \"cwd\"<\/span>:<\/span> \"${workspaceFolder}\"<\/span>,<\/span>\r\n          \"args\"<\/span>:<\/span> [<\/span>\r\n            \"test\"<\/span>,<\/span>\r\n            \"--testMatch=<\/span>\\\"<\/span>**\/+(*.)+(spec|test).+(ts|js)?(x)<\/span>\\\"<\/span>\"<\/span>,<\/span>\r\n            \"--test-path-pattern=${fileBasenameNoExtension}\"<\/span>,<\/span>\r\n            \"--runInBand\"<\/span>\r\n          ],<\/span>\r\n          \"console\"<\/span>:<\/span> \"integratedTerminal\"<\/span>,<\/span>\r\n          \"internalConsoleOptions\"<\/span>:<\/span> \"neverOpen\"<\/span>,<\/span>\r\n        }<\/span>\r\n      ]<\/span>\r\n    },<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
            \"vscode-debug.jpeg\"<\/div>\n
            VSCode\u63d2\u4ef6<\/h2>\n
            Jest Runner – Visual Studio \u5e02\u96c6<\/h3>\n
              \u5358\u4f53\u30c6\u30b9\u30c8\u306e\u30c7\u30d0\u30c3\u30b0\u3002Debug > breakpoint\u8a2d\u5b9a\u3067\u5024\u304c\u78ba\u8a8d\u3067\u304d\u308b\u306e\u3067\u3042\u308b\u3068\u4fbf\u5229\u304b\u3082\u3002<\/ul>\n
              \u5f15\u5165\u7a0b\u5e8f<\/h3>\n
              \u66f4\u65b0devcontainer.json<\/h4>\n
              extensions\u306bJest Runner\u306e\u62e1\u5f35\u6a5f\u80fdID\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
              @angular-builders\/jest\u3092\u5c0e\u5165\u3057\u3066\u3044\u308b\u306e\u3067\u3001Jest Runner\u306eJest\u30b3\u30de\u30f3\u30c9\u3092jestrunner.jestCommand\u3067\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n
              jestrunner.debugOptions\u306b\u30c7\u30d0\u30c3\u30b0\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
              \u3053\u306e\u8a2d\u5b9a\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001Debug\u30af\u30ea\u30c3\u30af\u6642\u306bng test\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
              {<\/span>\r\n  \"dockerComposeFile\"<\/span>:<\/span> [<\/span>\"docker-compose.yml\"<\/span>],<\/span>\r\n  \"service\"<\/span>:<\/span> \"node\"<\/span>,<\/span>\r\n  ...<\/span>\r\n  \"extensions\"<\/span>:<\/span> [<\/span>\"firsttris.vscode-jest-runner\"<\/span>],<\/span> \/\/<\/span> \u62e1\u5f35\u306b\u8ffd\u52a0<\/span>\r\n  \"settings\"<\/span>:<\/span> {<\/span>\r\n    ...<\/span>\r\n    \"jestrunner.jestCommand\"<\/span>:<\/span> \"ng test --\"<\/span>,<\/span> \/\/<\/span> \u62e1\u5f35\u6a5f\u80fdJest<\/span> Runner\u3067\u5b9f\u884c\u3059\u308b\u969b\u306e\u4ee3\u66ffJest\u30b3\u30de\u30f3\u30c9\u3092\u5b9a\u7fa9<\/span>\r\n    \"jestrunner.debugOptions\"<\/span>:<\/span> {<\/span> \/\/<\/span> \u62e1\u5f35\u6a5f\u80fdJest<\/span> Runner\u306eDebug\u7528\u30aa\u30d7\u30b7\u30e7\u30f3<\/span>\r\n      \"program\"<\/span>:<\/span> \"${workspaceFolder}\/node_modules\/@angular\/cli\/bin\/ng\"<\/span>,<\/span>\r\n      \"args\"<\/span>:<\/span> [<\/span>\"test\"<\/span>,<\/span> \"--testMatch=<\/span>\\\"<\/span>**\/+(*.)+(spec|test).+(ts|js)?(x)<\/span>\\\"<\/span>\"<\/span>],<\/span>\r\n      \"skipFiles\"<\/span>:<\/span> [<\/span>\"<node_internals>\/**\/*.js\"<\/span>,<\/span> \"node_modules\/\"<\/span>]<\/span>\r\n    }<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
              \"jest-runner.png\"<\/div>\n
              \u6211\u53c2\u8003\u4e86\u90a3\u7bc7\u6587\u7ae0\u3002<\/h2>\n
                \n
              • \n
                  Angular \u30c6\u30b9\u30c8\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af \u3092 jasmine\/karma \u304b\u3089 Jest \u306b\u79fb\u884c\u3057\u307e\u3057\u305f – KAKEHASHI Tech Blog<\/ul>\n<\/li>\n<\/ul>\n
                   <\/p>\n
                    \n
                  • \n
                      Angular\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3078Jest\u3092\u5c0e\u5165\u3059\u308b | lacolaco\/tech<\/ul>\n<\/li>\n<\/ul>\n
                       <\/p>\n
                        \n
                      • \n
                          Jest\u3078\u306e\u79fb\u884c \u00b7 Jest<\/ul>\n<\/li>\n<\/ul>\n
                           <\/p>\n
                            \n
                          • \n
                              Jest\u306e\u8a2d\u5b9a \u00b7 Jest<\/ul>\n<\/li>\n<\/ul>\n
                               <\/p>\n
                                \n
                              • \n
                                  Jest CLI \u30aa\u30d7\u30b7\u30e7\u30f3 \u00b7 Jest<\/ul>\n<\/li>\n<\/ul>\n
                                   <\/p>\n
                                    \n
                                  • \n
                                      Jest\u306e\u74b0\u5883\u8a2d\u5b9a\u3068\u4f7f\u3044\u3053\u306a\u3057\u8853\uff08\u30b5\u30fc\u30d0\u30b5\u30a4\u30c9\u5411\u3051\uff09 | DevelopersIO<\/ul>\n<\/li>\n<\/ul>\n
                                       <\/p>\n
                                        \n
                                      • \n
                                          Jest \u3067 Angular \u5358\u4f53\u30c6\u30b9\u30c8\u3092\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3059\u308b\u65b9\u6cd5<\/ul>\n<\/li>\n<\/ul>\n
                                           <\/p>\n
                                            How to Set Up Angular Unit Testing with Jest<\/ul>\n","protected":false},"excerpt":{"rendered":"
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