Question

我正在尝试将我的node.js应用程序部署到heroku。我在git push heroku master上收到此错误：

> on-headers@1.0.1 test /tmp/build_4d6fe429e576b4e42425b713c87264e9/node_modules/response-time/node_modules/on-headers
   > mocha --reporter spec --bail --check-leaks test/

   /tmp/build_4d6fe429e576b4e42425b713c87264e9/node_modules/mocha/lib/utils.js:626
   throw new Error("cannot resolve path (or pattern) '" + path + "'");
   ^

   Error: cannot resolve path (or pattern) 'test/'
   at Object.lookupFiles (/tmp/build_4d6fe429e576b4e42425b713c87264e9/node_modules/mocha/lib/utils.js:626:15)
   at /tmp/build_4d6fe429e576b4e42425b713c87264e9/node_modules/mocha/bin/_mocha:316:30
   at Array.forEach (native)
   at Object.<anonymous> (/tmp/build_4d6fe429e576b4e42425b713c87264e9/node_modules/mocha/bin/_mocha:315:6)
   at Module._compile (module.js:435:26)
   at Object.Module._extensions..js (module.js:442:10)
   at Module.load (module.js:356:32)
   at Function.Module._load (module.js:311:12)
   at Function.Module.runMain (module.js:467:10)
   at startup (node.js:136:18)
   at node.js:963:3

   > node-statsd@0.1.1 test /tmp/build_4d6fe429e576b4e42425b713c87264e9/node_modules/soluto-monitor/node_modules/node-statsd
   > mocha -R spec

   /tmp/build_4d6fe429e576b4e42425b713c87264e9/node_modules/mocha/lib/utils.js:626
   throw new Error("cannot resolve path (or pattern) '" + path + "'");
   ^

   Error: cannot resolve path (or pattern) 'test'
   at Object.lookupFiles (/tmp/build_4d6fe429e576b4e42425b713c87264e9/node_modules/mocha/lib/utils.js:626:15)
   at /tmp/build_4d6fe429e576b4e42425b713c87264e9/node_modules/mocha/bin/_mocha:316:30
   at Array.forEach (native)
   at Object.<anonymous> (/tmp/build_4d6fe429e576b4e42425b713c87264e9/node_modules/mocha/bin/_mocha:315:6)
   at Module._compile (module.js:435:26)
   at Object.Module._extensions..js (module.js:442:10)
   at Module.load (module.js:356:32)
   at Function.Module._load (module.js:311:12)
   at Function.Module.runMain (module.js:467:10)
   at startup (node.js:136:18)
   at node.js:963:3
...

..并且每个node_modules子目录都有错误Error: cannot resolve path (or pattern) 'test/'。

我的package.json看起来或多或少是这样的：

{
  "name": "my-module",
  "version": "0.1.0",
  "description": "My Module",
 "dependencies": {
    "azure-storage": "0.6.0",
    "bluebird": "3.0.6",
    "body-parser": "1.14.1",
    "cors": "2.7.1",
    "dotenv": "^1.2.0",
    "express": "3.3.3",
    "moment": "2.10.6",
    "request-promise": "1.0.2",
    "rx": "4.0.7",
    "shisell": "0.0.2",
    "striptags": "2.0.4",
    "winston": "2.1.1"
  },
  "devDependencies": {
    "chai": "^3.4.1",
    "chai-as-promised": "^5.1.0",
    "mocha": "^2.3.4",
    "mock-require": "^1.2.1",
    "sinon": "^1.17.2",
    "sinon-chai": "^2.8.0",
    "supertest": "^1.1.0"
  },
  "main": "server.js",
  "engines": {
    "node": "4.2.3"
  },
  "scripts": {
    "test": "mocha"
  }
}

似乎mocha试图在每个依赖项内的node_modules内运行。我设法通过在其中一个node_modules目录中运行mocha来本地重现错误。

我尝试从package.json中删除test脚本，但仍然遇到同样的错误。

我是heroku部署的新手。据我所知，一旦我git推送到heroku然后heroku运行npm install，如果有一个测试脚本它将运行。但是我不明白是什么导致它尝试在node_modules的子目录中运行mocha（为什么即使我没有在package.json中指定测试脚本也会发生这种情况）。

有什么想法吗？

P.S。当我在我的机器上本地运行时，这不会发生。

Answer 1

原来我在heroku上设置了这个环境变量：NPM_CONFIG_NPAT=true，它导致npm在所有安装上运行测试，如下所述： https://docs.npmjs.com/misc/config#npat

将node.js应用程序部署到heroku

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