{"id":35287,"date":"2023-08-22T05:24:40","date_gmt":"2023-02-09T02:02:56","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8docker%e5%88%9b%e5%bb%bajavascript%e8%87%aa%e5%8a%a8%e6%b5%8b%e8%af%95%e7%8e%af%e5%a2%83%e3%80%82\/"},"modified":"2024-04-30T19:36:10","modified_gmt":"2024-04-30T11:36:10","slug":"%e4%bd%bf%e7%94%a8docker%e5%88%9b%e5%bb%bajavascript%e8%87%aa%e5%8a%a8%e6%b5%8b%e8%af%95%e7%8e%af%e5%a2%83%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8docker%e5%88%9b%e5%bb%bajavascript%e8%87%aa%e5%8a%a8%e6%b5%8b%e8%af%95%e7%8e%af%e5%a2%83%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Docker\u521b\u5efaJavaScript\u81ea\u52a8\u6d4b\u8bd5\u73af\u5883"},"content":{"rendered":"

\u603b\u7ed3<\/h1>\n

\u867d\u7136\u6211\u505a\u7f16\u7a0b\u7684\u65f6\u95f4\u53d8\u5f97\u5f88\u5c11\uff0c\u4f46\u6211\u975e\u5e38\u559c\u6b22\u7f16\u7a0b\uff0c\u6240\u4ee5\u6211\u5728\u56fe\u4e66\u9986\u501f\u4e86\u8fd9\u672c\u4e66\u3002<\/p>\n

\u524d\u7aef\u5f00\u53d1\u7684\u6d4b\u8bd5\u5165\u95e8 – \u4e9a\u9a6c\u900a | Kindle<\/p>\n

\u5bf9\u4e8e\u81ea\u52a8\u5316\u7684\u5355\u5143\u6d4b\u8bd5\uff0c\u6211\u89c9\u5f97\u5f88\u5bb9\u6613\u7406\u89e3\u5e76\u4e14\u5b66\u5230\u4e86\u5f88\u591a\u4e1c\u897f\u3002<\/p>\n

\u6211\u8ba4\u4e3a\u5982\u679c\u80fd\u591f\u5728Docker\u5bb9\u5668\u4e2d\u8f7b\u677e\u5730\u90e8\u7f72\u6d4b\u8bd5\u73af\u5883\uff0c\u90a3\u5c31\u592a\u68d2\u4e86\u3002\u6240\u4ee5\u6211\u5c1d\u8bd5\u7528Docker\u5bb9\u5668\u6765\u521b\u5efaJavaScript\u7684\u5355\u5143\u6d4b\u8bd5\u73af\u5883\u3002<\/p>\n

\u6211\u4eec\u5df2\u7ecf\u5f15\u5165\u4e86jest\uff08https:\/\/jestjs.io\/ja\/\uff09\u4f5c\u4e3a\u5355\u5143\u6d4b\u8bd5\u5de5\u5177\u3002<\/p>\n

\u53ef\u4ee5\u6700\u7ec8\u505a\u5230\u7684\u4e8b\u60c5<\/h1>\n

\u5728Docker\u5bb9\u5668\u4e2d\u5efa\u7acbJavaScript\u5e94\u7528\u7a0b\u5e8f\u7684\u5355\u5143\u6d4b\u8bd5\u73af\u5883\uff08\u4f7f\u7528Jest\uff09\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u5728\u8be5\u5bb9\u5668\u4e2d\u6267\u884c\u7684UNIT\u6d4b\u8bd5\u901a\u8fc7\u7684\u7ed3\u679c\u3002<\/p>\n

root@edf58454f2f8:\/usr\/src\/app#<\/span> npm test<\/span>\r\n\r\n><\/span> docker_web_app@1.0.0 test<\/span>\r\n><\/span> jest\r\n\r\n PASS  .\/sum.test.js\r\n  \u2713 adds 1 + 2 to equal 3 (1 ms)\r\n\r\nTest Suites: 1 passed, 1 total\r\nTests:       1 passed, 1 total\r\nSnapshots:   0 total\r\nTime:        0.208 s\r\nRan all test suites.\r\n<\/span><\/code><\/pre>\n
\u524d\u63d0 t\u00ed)<\/h1>\n
\u9700\u8981\u786e\u8ba4\u7535\u8111\u5df2\u5b89\u88c5\u4e86Docker Desktop\u3002
\n\u4f7f\u7528\u4e86\u57fa\u4e8enode.js\u7248\u672c20\u7684\u73af\u5883\u3002<\/p>\n
\u4e09\u79cd\u4e0d\u540c\u7c7b\u578b\u7684Node.js Docker\u955c\u50cf<\/h1>\n
\u5728\u4e2d\u56fd\u6709\u4e09\u79cd\u7c7b\u578b\u7684Docker\u955c\u50cf\u662f\u4e13\u4e3aNode.js\u800c\u8bbe\u8ba1\u7684\u3002\u5efa\u8bae\u5728\u672c\u6b21\u4f7f\u7528\u4e2d\u4f7f\u7528\u9ed8\u8ba4\u7684\u955c\u50cfnode:<\u7248\u672c>\u3002<\/p>\n
\u8282\u70b9\uff1a<\u7248\u672c>
\n\u8fd9\u662f\u4e00\u4e2a\u4e8b\u5b9e\u4e0a\u7684\u955c\u50cf\u3002\u5982\u679c\u4f60\u4e0d\u77e5\u9053\u81ea\u5df1\u7684\u9700\u6c42\u662f\u4ec0\u4e48\uff0c\u53ef\u80fd\u6700\u597d\u4f7f\u7528\u8fd9\u4e2a\u3002\u5b83\u88ab\u8bbe\u8ba1\u6210\u53ef\u7528\u4f5c\u4e00\u6b21\u6027\u5bb9\u5668\uff08\u6302\u8f7d\u6e90\u4ee3\u7801\u5e76\u542f\u52a8\u5bb9\u5668\u4ee5\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\uff09\uff0c\u4e5f\u53ef\u4f5c\u4e3a\u6784\u5efa\u5176\u4ed6\u955c\u50cf\u7684\u57fa\u7840\u3002
\n\u8282\u70b9\uff1a<\u7248\u672c>-alpine
\n\u8fd9\u4e2a\u955c\u50cf\u57fa\u4e8e\u53d7\u6b22\u8fce\u7684Alpine Linux\u9879\u76ee\uff0c\u8be5\u9879\u76ee\u63d0\u4f9b\u4e86\u5b98\u65b9\u955c\u50cf\u3002\u7531\u4e8eAlpine Linux\u6bd4\u5927\u591a\u6570\u57fa\u4e8e\u53d1\u884c\u7248\u7684\u955c\u50cf\uff08\u7ea65MB\uff09\u66f4\u5c0f\uff0c\u6240\u4ee5\u901a\u5e38\u955c\u50cf\u66f4\u52a0\u7cbe\u7b80\u3002
\n\u8282\u70b9\uff1a<\u7248\u672c>-slim
\n\u8fd9\u4e2a\u955c\u50cf\u4e0d\u5305\u542b\u9ed8\u8ba4\u6807\u7b7e\u4e2d\u7684\u901a\u7528\u5305\uff0c\u53ea\u5305\u542b\u8fd0\u884c\u6240\u9700\u7684\u6700\u5c0f\u5305\u3002\u5f3a\u70c8\u5efa\u8bae\u5728\u4f7f\u7528\u6b64\u4ed3\u5e93\u7684\u9ed8\u8ba4\u955c\u50cf\u65f6\uff0c\u9664\u975e\u5728\u7a7a\u95f4\u53d7\u9650\u7684\u73af\u5883\u4e2d\u5de5\u4f5c\uff0c\u5426\u5219\u53ea\u90e8\u7f72\u955c\u50cf\u3002
\n\uff08\u5f15\u7528\u81ea\uff1ahttps:\/\/hub.docker.com\/_\/node\uff09<\/p><\/blockquote>\n
\u5728\u8fd9\u91cc\uff0c\u5173\u4e8e\u8282\u70b9\u56fe\u50cf\u7684\u9009\u62e9\u4e5f\u6709\u76f8\u540c\u7684\u610f\u89c1\u3002<\/p>\n
\u5728\u8fd1\u5e74\uff0cslim\u955c\u50cf\u7684\u5927\u5c0f\u5df2\u7ecf\u51cf\u5c0f\u5230150MB\uff0c\u4e14\u5728\u5404\u79cd\u60c5\u51b5\u4e0b\u8fd0\u884c\u8868\u73b0\u6700\u4f73\u3002Alpine\u662f\u4e00\u4e2a\u975e\u5e38\u5c0f\u7684\u5bb9\u5668\u53d1\u884c\u7248\uff0c\u6700\u5c0f\u7684node\u955c\u50cf\u4ec5\u4e3a75MB\u3002\u7136\u800c\uff0c\u5982\u679c\u9700\u8981\u66f4\u6362apt\u5230apk\u5305\u7ba1\u7406\u5668\uff0c\u6216\u9700\u8981\u9002\u5e94\u7279\u5b9a\u60c5\u51b5\uff0c\u6216\u9700\u8981\u907f\u514d\u53d7\u5230\u5b89\u5168\u626b\u63cf\u7684\u9650\u5236\uff0c\u5efa\u8bae\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u4e0d\u8981\u9009\u62e9node:alpine\u3002<\/p><\/blockquote>\n
\u5b8c\u6210\u65f6\u7684\u76ee\u5f55\u7ed3\u6784<\/h1>\n
\u53ef\u4ee5\u5728\u4efb\u610f\u4f4d\u7f6e\u521b\u5efa\u4e00\u4e2a\u9879\u76ee\u6587\u4ef6\u5939\uff08YOUR-PROJECT-FOLDER\uff09\uff0c\u7136\u540e\u7ee7\u7eed\u521b\u5efa\u4ee5\u4e0b\u6587\u4ef6\u3002<\/p>\n
\u4f60\u7684\u9879\u76ee\u6587\u4ef6\u5939
\n\u251cpackage.json —–\u7528\u4e8e\u7ba1\u7406npm\u5305\u7684\u914d\u7f6e\u6587\u4ef6
\n\u251cserver.js —–Web\u5e94\u7528\u7a0b\u5e8f
\n\u251cDockerfile \u3000\u3000 —–Docker\u6587\u4ef6
\n\u251c.dockerignore \u3000 —–\u4e0d\u5305\u542b\u5728docker\u955c\u50cf\u4e2d\u7684\u6587\u4ef6
\n\u251csum.js \u3000 —–\u793a\u4f8b\u4ee3\u7801
\n\u2514sum.test.js \u3000 —–\u7528\u4e8e\u6d4b\u8bd5\u793a\u4f8b\u4ee3\u7801\uff08sum.js\uff09\u7684\u5355\u5143\u6d4b\u8bd5\u4ee3\u7801<\/p>\n
\u6240\u6709\u7684\u6587\u4ef6 (g\u00e8<\/h1>\n
package.json \u6587\u4ef6<\/h2>\n
\u6211\u6b63\u5728\u7f16\u8f91\u4f4d\u4e8e https:\/\/nodejs.org\/ja\/docs\/guides\/nodejs-docker-webapp \u7684 package.json \u6587\u4ef6\uff0c\u5e76\u5728 “scripts” \u4e2d\u6dfb\u52a0 “jest”\u3002<\/p>\n
{<\/span>\r\n    \"name\"<\/span>:<\/span> \"docker_web_app\"<\/span>,<\/span>\r\n    \"version\"<\/span>:<\/span> \"1.0.0\"<\/span>,<\/span>\r\n    \"description\"<\/span>:<\/span> \"Node.js + jest on Docker\"<\/span>,<\/span>\r\n    \"author\"<\/span>:<\/span> \"First Last <first.last@example.com>\"<\/span>,<\/span>\r\n    \"main\"<\/span>:<\/span> \"server.js\"<\/span>,<\/span>\r\n    \"scripts\"<\/span>:<\/span> {<\/span>\r\n        \"start\"<\/span>:<\/span> \"node server.js\"<\/span>,<\/span>\r\n        \"test\"<\/span>:<\/span> \"jest\"<\/span>\r\n    },<\/span>\r\n    \"dependencies\"<\/span>:<\/span> {<\/span>\r\n        \"express\"<\/span>:<\/span> \"^4.16.1\"<\/span>\r\n    },<\/span>\r\n    \"devDependencies\"<\/span>:<\/span> {<\/span>\r\n        \"jest\"<\/span>:<\/span> \"^29.7.0\"<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
Dockerfile\u7684\u610f\u601d\u662f<\/h2>\n
\u53ea\u9700\u8981\u4e00\u79cd\u9009\u62e9\uff0c\u4ee5\u4e0b\u662f\u672c\u5730\u4e2d\u6587\u7684\u91ca\u4e49\uff1a<\/p>\n
\u901a\u8fc7\u4fee\u6539\u4f4d\u4e8ehttps:\/\/nodejs.org\/ja\/docs\/guides\/nodejs-docker-webapp\u7684Dockerfile\u6587\u4ef6\u8fdb\u884c\u7f16\u8f91\u3002<\/p>\n
npm install --save-dev jest\r\n<\/code><\/pre>\n
\u5982\u679c\u8ffd\u52a0\u7684\u8bdd\uff0c\u6574\u4f53\u5b9a\u4e49\u5982\u4e0b\u3002<\/p>\n
#FROM node:12<\/span>\r\nFROM<\/span> node:20<\/span>\r\n# \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3059\u308b<\/span>\r\nWORKDIR<\/span> \/usr\/src\/app<\/span>\r\n# \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/span>\r\n# \u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001package.json \u3068 package-lock.json \u306e\u4e21\u65b9\u304c\u78ba\u5b9f\u306b\u30b3\u30d4\u30fc\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/span>\r\n# \u53ef\u80fd\u3067\u3042\u308c\u3070 (npm@5+)<\/span>\r\nCOPY<\/span> package*.json .\/<\/span>\r\nRUN <\/span>npm install<\/span> &&<\/span> \\\r\n<\/span>    npm install<\/span> --save-dev<\/span> jest\r\n# \u672c\u756a\u7528\u306b\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3057\u3066\u3044\u308b\u5834\u5408<\/span>\r\n# RUN npm install --only=production<\/span>\r\n# \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30bd\u30fc\u30b9\u3092\u30d0\u30f3\u30c9\u30eb\u3059\u308b<\/span>\r\nCOPY<\/span> . .<\/span>\r\nEXPOSE<\/span> 8080<\/span>\r\nCMD<\/span> [ \"node\", \"server.js\" ]<\/span>\r\n<\/code><\/pre>\n
\u8303\u4f8b.js<\/h2>\n
\u6211\u51c6\u5907\u4e86\u4e00\u4e9b\u793a\u4f8b\u4ee3\u7801\u3002\u8fd9\u6b21\u6211\u9009\u62e9\u4e86\u7b80\u5355\u7684\u52a0\u6cd5\u3002<\/p>\n
function<\/span> sum<\/span>(<\/span>a<\/span>,<\/span> b<\/span>)<\/span> {<\/span>\r\n    return<\/span> a<\/span> +<\/span> b<\/span>;<\/span>\r\n  }<\/span>\r\n  module<\/span>.<\/span>exports<\/span> =<\/span> sum<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u8bf7\u4e3a\u4ee5\u4e0b\u5185\u5bb9\u63d0\u4f9b\u4e00\u4e2a\u4e2d\u6587\u7684\u539f\u751f\u8bed\u8a00\u89e3\u91ca\uff1a
\n“sample.test.js”<\/h2>\n
\u6211\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3asample.js\u7684\u6d4b\u8bd5\u4ee3\u7801\u3002\u8fd9\u662f\u4e00\u4e2a\u8bc4\u4f30\u6837\u672c\u4ee3\u7801\u7ed3\u679c\u662f\u5426\u7b49\u4e8e\u300c1+2=3\u300d\u7684\u5355\u5143\u6d4b\u8bd5\u3002<\/p>\n
const<\/span> sum<\/span> =<\/span> require<\/span>(<\/span>'<\/span>.\/sum<\/span>'<\/span>);<\/span>\r\n\r\ntest<\/span>(<\/span>'<\/span>adds 1 + 2 to equal 3<\/span>'<\/span>,<\/span> ()<\/span> =><\/span> {<\/span>\r\n  expect<\/span>(<\/span>sum<\/span>(<\/span>1<\/span>,<\/span> 2<\/span>)).<\/span>toBe<\/span>(<\/span>3<\/span>);<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n
.dockerignore \u6587\u4ef6<\/h2>\n
\u8fd9\u4e2a\u4e0d\u662f\u5fc5\u9700\u7684\uff0c\u4f46\u6211\u60f3\u5728docker\u4e2d\u5ffd\u7565\u8fd9\u4e2a\u6587\u4ef6\u3002<\/p>\n
node_modules\r\nnpm-debug.log\r\n<\/code><\/pre>\n
\u6784\u5efaDocker\u6620\u50cf<\/h2>\n
\u8fdb\u5165\u9879\u76ee\u6587\u4ef6\u5939\uff08\u4ee5\u4e0b\u79f0\u4e3adocker-webapp-jest\uff09\uff0c\u4f7f\u7528\u521b\u5efa\u7684Dockerfile\u6784\u5efaDocker\u955c\u50cf\u3002\u6784\u5efa\u547d\u4ee4\u4e3a\uff0c<\/p>\n
docker build . -t ryu\/node-web-app \r\n<\/code><\/pre>\n
\u4f5c\u4e3a\u9009\u9879\uff08-t\uff09\uff0c\u6307\u5b9a\u683c\u5f0f\u4e3a\u540d\u79f0\uff1a\u6807\u7b7e\uff0c\u4f46\u53ea\u627e\u5230\u540d\u79f0\uff0c\u56e0\u6b64\u9009\u62e9\u4e86ryu\/node-web-app\u3002<\/p>\n
docker-webapp-jest % docker build . -t ryu\/node-web-app          \r\n[+] Building 74.3s (10\/10) FINISHED                                                                                                                                  \r\n<\/span> =><\/span> [<\/span>internal] load build definition from Dockerfile                                                                                                            0.1s\r\n =><\/span> =><\/span> transferring dockerfile: 37B                                                                                                                             0.0s\r\n =><\/span> [<\/span>internal] load .dockerignore                                                                                                                               0.0s\r\n =><\/span> =><\/span> transferring context: 34B                                                                                                                                0.0s\r\n =><\/span> [<\/span>internal] load metadata for <\/span>docker.io\/library\/node:12                                                                                                      7.7s\r\n =><\/span> [<\/span>1\/5] FROM docker.io\/library\/node:12@sha256:01627afeb110b3054ba4a1405541ca095c8bfca1cb6f2be9479c767a2711879e                                                0.0s\r\n =><\/span> [<\/span>internal] load build context                                                                                                                               0.0s\r\n =><\/span> =><\/span> transferring context: 688B                                                                                                                               0.0s\r\n =><\/span> CACHED [<\/span>2\/5] WORKDIR \/usr\/src\/app                                                                                                                           0.0s\r\n =><\/span> [<\/span>3\/5] COPY package*<\/span>.json .\/                                                                                                                                 0.0s\r\n =><\/span> [<\/span>4\/5] RUN npm install<\/span> &&<\/span>      npm install<\/span> --save-dev<\/span> jest                                                                                                  65.9s\r\n =><\/span> [<\/span>5\/5] COPY .<\/span> .<\/span>                                                                                                                                              0.0s\r\n =><\/span> exporting to image                                                                                                                                          0.5s\r\n =><\/span> =><\/span> exporting layers                                                                                                                                         0.5s\r\n =><\/span> =><\/span> writing image sha256:9b90a3ebd100cb3bea82c80b97caa4f8b5d3238bd7711c87004328bb1a0169fe                                                                    0.0s \r\n =><\/span> =><\/span> naming to docker.io\/ryu\/node-web-app   \r\n\r\n<\/code><\/pre>\n
\u542f\u52a8Docker<\/h1>\n
\u4f7f\u7528\u6784\u5efa\u7684\u955c\u50cf\u542f\u52a8Docker\u5bb9\u5668\u3002
\n\u5c06\u5916\u90e8\u7aef\u53e349161\u8f6c\u53d1\u5230\u5bb9\u5668\u5185\u76848080\u7aef\u53e3\u3002<\/p>\n
docker-webapp-jest %  % docker run -p 49161:8080 -d ryu\/node-web-app\r\n<\/span><\/code><\/pre>\n
\u4f7f\u7528docker ps\u547d\u4ee4\u6765\u786e\u8ba4Docker\u5bb9\u5668\u7684\u542f\u52a8\u60c5\u51b5\u3002\u5982\u679c\u72b6\u6001\u4e3aUP\uff0c\u5219\u8868\u793aOK\u3002<\/p>\n
docker-webapp-jest %docker ps       \r\nCONTAINER ID   IMAGE                 COMMAND                  CREATED          STATUS          PORTS                                         NAMES\r\n<\/span>77f093b9b8ab   ryu\/node-web-app   \"docker-entrypoint.s\u2026\"   34 seconds ago   Up 32 seconds   0.0.0.0:49161-><\/span>8080\/tcp, :::49161->8080\/tcp   elegant_dirac\r\n<\/code><\/pre>\n
\u4f7f\u7528curl\u547d\u4ee4\u53ef\u4ee5\u786e\u8ba4\u80fd\u591f\u4ece\u5916\u90e8\u8bbf\u95ee\u5230\u5bb9\u5668\u5185\u7684Web\u5e94\u7528\u7a0b\u5e8f\u3002<\/h1>\n
docker-webapp-jest % curl -i localhost:49161\r\nHTTP\/1.1 200 OK\r\nX-Powered-By: Express\r\n<\/span>Content-Type: text\/html;<\/span> charset<\/span>=<\/span>utf-8\r\nContent-Length: 11\r\nETag: W\/\"b-Ck1VqNd45QIvq3AZd8XYQLvEhtA\"\r\nDate: Sat, 07 Oct 2023 04:30:39 GMT\r\nConnection: keep-alive\r\nKeep-Alive: timeout=5\r\n\r\nHello World% \r\n<\/span><\/code><\/pre>\n
\u4f60\u597d\uff0c\u4e16\u754c\u5df2\u7ecf\u88ab\u8f93\u51fa\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u7f51\u7edc\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n
\u8fdb\u5165Docker\u5bb9\u5668<\/h1>\n
\u4f7f\u7528docker exec\u547d\u4ee4\u8fdb\u5165Docker\u5bb9\u5668\u5185\u90e8\u3002\u4f7f\u7528-it\u9009\u9879\u5e76\u6307\u5b9a\u5bb9\u5668ID\uff08\u6b64\u793a\u4f8b\u4e2d\u4e3a77f093b9b8ab\uff09\u3002
\n\u5728\u5bb9\u5668\u5185\u90e8\u4f7f\u7528npm test\u547d\u4ee4\u6267\u884cjest\u3002<\/p>\n
docker-webapp-jest  % docker exec -it 77f093b9b8ab\u3000\/bin\/bash\r\nroot@77f093b9b8ab:\/usr\/src\/app# npm test\r\n\r\n> docker_web_app@1.0.0 test\r\n> jest\r\n\r\n PASS  .\/sum.test.js\r\n  \u2713 adds 1 + 2 to equal 3 (1 ms)\r\n\r\nTest Suites: 1 passed, 1 total\r\nTests:       1 passed, 1 total\r\nSnapshots:   0 total\r\nTime:        0.208 s\r\nRan all test suites.\r\n\r\n<\/code><\/pre>\n
\u6211\u6210\u529f\u5730\u6267\u884c\u4e86UNIT\u6d4b\u8bd5\uff0c\u5e76\u6ca1\u6709\u9047\u5230\u4efb\u4f55\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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