From c0af83f3f147aa03d2f97c94d36f0d182b5fdb66 Mon Sep 17 00:00:00 2001
From: Stepan Usatiuk <stepanusatiuk@gmail.com>
Date: Fri, 18 May 2018 16:41:43 +0300
Subject: [PATCH] refactor app.js test not found routes

---
 .env.example                   |   13 +-
 .eslintrc.json                 |    3 +-
 app.js                         |   32 +-
 config/app.js                  |   15 +
 config/db.js                   |    7 +
 config/index.js                |   29 +
 package-lock.json              | 3015 +++++++++++++++++++++++++++++++-
 package.json                   |   12 +-
 tests/integration/root.test.js |   37 +
 9 files changed, 3131 insertions(+), 32 deletions(-)
 create mode 100644 config/app.js
 create mode 100644 config/db.js
 create mode 100644 config/index.js
 create mode 100644 tests/integration/root.test.js

diff --git a/.env.example b/.env.example
index 90fb645..0f69e86 100644
--- a/.env.example
+++ b/.env.example
@@ -1,3 +1,12 @@
-PORT=4000
+DEV_APP_PORT =
 
-MONGODB_URI="mongodb://localhost/todolist"
\ No newline at end of file
+DEV_DB_HOST =
+DEV_DB_PORT =
+DEV_DB_NAME =
+
+
+TEST_APP_PORT =
+
+TEST_DB_HOST =
+TEST_DB_PORT =
+TEST_DB_NAME =
\ No newline at end of file
diff --git a/.eslintrc.json b/.eslintrc.json
index 45b2afc..e438593 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -1,5 +1,6 @@
 {
-  "extends": ["airbnb-base"],
+  "extends": ["airbnb-base", "plugin:jest/recommended"],
+  "plugins": ["jest"],
   "rules": {
     "linebreak-style": "off",
     "no-unused-expressions": [
diff --git a/app.js b/app.js
index 49fa15d..282aef7 100644
--- a/app.js
+++ b/app.js
@@ -1,30 +1,14 @@
-const express = require('express');
-const bodyParser = require('body-parser');
-const mongoose = require('mongoose');
-const methodOverride = require('method-override');
-const morgan = require('morgan');
-
 require('dotenv').config();
 
-const app = express();
-
-app.use(bodyParser.urlencoded({ extended: false }));
-app.use(bodyParser.json());
-
-app.use(morgan('tiny'));
-
-app.use(methodOverride('_method'));
-
-mongoose.connect(process.env.MONGODB_URI);
+const config = require('./config');
+require('./config/db');
+const app = require('./config/app');
 
 require('./models/Todo');
 require('./models/TodoList');
 
-const todos = require('./routes/todos');
-const lists = require('./routes/lists');
-
-app.use('/todos', todos);
-app.use('/lists', lists);
+app.use('/todos', require('./routes/todos'));
+app.use('/lists', require('./routes/lists'));
 
 // 404 route
 app.use((req, res) => {
@@ -36,7 +20,7 @@ app.use((req, res) => {
   }
 
   if (req.accepts('json')) {
-    req.send({ error: 'Not found' });
+    res.send({ error: 'Not found' });
     return;
   }
 
@@ -61,6 +45,8 @@ app.use((error, req, res, next) => {
   next(error);
 });
 
-app.listen(process.env.PORT, () => {
+const server = app.listen(config.app.port, () => {
   console.log('Started!');
 });
+
+module.exports = server;
diff --git a/config/app.js b/config/app.js
new file mode 100644
index 0000000..2c0925d
--- /dev/null
+++ b/config/app.js
@@ -0,0 +1,15 @@
+const express = require('express');
+const bodyParser = require('body-parser');
+const methodOverride = require('method-override');
+const morgan = require('morgan');
+
+const app = express();
+
+app.use(bodyParser.urlencoded({ extended: false }));
+app.use(bodyParser.json());
+
+app.use(morgan('tiny'));
+
+app.use(methodOverride('_method'));
+
+module.exports = app;
diff --git a/config/db.js b/config/db.js
new file mode 100644
index 0000000..1bff714
--- /dev/null
+++ b/config/db.js
@@ -0,0 +1,7 @@
+const mongoose = require('mongoose');
+const config = require('./');
+
+const { host, port, name } = config.db;
+const connectionString = `mongodb://${host}:${port}/${name}`;
+
+mongoose.connect(connectionString);
diff --git a/config/index.js b/config/index.js
new file mode 100644
index 0000000..529c22b
--- /dev/null
+++ b/config/index.js
@@ -0,0 +1,29 @@
+const env = process.env.NODE_ENV;
+
+const dev = {
+  app: {
+    port: process.env.DEV_APP_PORT || 4000,
+  },
+  db: {
+    host: process.env.DEV_DB_HOST || 'localhost',
+    port: process.env.DEV_DB_PORT || 27017,
+    name: process.env.DEV_DB_NAME || 'todolist',
+  },
+};
+const test = {
+  app: {
+    port: process.env.TEST_APP_PORT || 4001,
+  },
+  db: {
+    host: process.env.TEST_DB_HOST || 'localhost',
+    port: process.env.TEST_DB_PORT || 27017,
+    name: process.env.TEST_DB_NAME || 'todolistTest',
+  },
+};
+
+const config = {
+  dev,
+  test,
+};
+
+module.exports = config[env] || config.dev;
diff --git a/package-lock.json b/package-lock.json
index 67d1f81..1571c72 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -118,6 +118,12 @@
         "to-fast-properties": "^2.0.0"
       }
     },
+    "abab": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/abab/-/abab-1.0.4.tgz",
+      "integrity": "sha1-X6rZwsB/YN12dw9xzwJbYqY8/U4=",
+      "dev": true
+    },
     "abbrev": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
@@ -139,6 +145,15 @@
       "integrity": "sha512-jd5MkIUlbbmb07nXH0DT3y7rDVtkzDi4XZOUVWAer8ajmF/DTSSbl5oNFyDOl/OXA33Bl79+ypHhl2pN20VeOQ==",
       "dev": true
     },
+    "acorn-globals": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-4.1.0.tgz",
+      "integrity": "sha512-KjZwU26uG3u6eZcfGbTULzFcsoz6pegNKtHPksZPOUsiKo5bUmiBPa38FuHZ/Eun+XYh/JCCkS9AS3Lu4McQOQ==",
+      "dev": true,
+      "requires": {
+        "acorn": "^5.0.0"
+      }
+    },
     "acorn-jsx": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
@@ -182,6 +197,34 @@
       "integrity": "sha1-YXmX/F9gV2iUxDX5QNgZ4TW4B2I=",
       "dev": true
     },
+    "align-text": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
+      "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
+      "dev": true,
+      "requires": {
+        "kind-of": "^3.0.2",
+        "longest": "^1.0.1",
+        "repeat-string": "^1.5.2"
+      },
+      "dependencies": {
+        "kind-of": {
+          "version": "3.2.2",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
+          "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+          "dev": true,
+          "requires": {
+            "is-buffer": "^1.1.5"
+          }
+        }
+      }
+    },
+    "amdefine": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
+      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
+      "dev": true
+    },
     "ansi-align": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ansi-align/-/ansi-align-2.0.0.tgz",
@@ -219,6 +262,15 @@
         "normalize-path": "^2.1.1"
       }
     },
+    "append-transform": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/append-transform/-/append-transform-0.4.0.tgz",
+      "integrity": "sha1-126/jKlNJ24keja61EpLdKthGZE=",
+      "dev": true,
+      "requires": {
+        "default-require-extensions": "^1.0.0"
+      }
+    },
     "argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -246,6 +298,12 @@
       "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=",
       "dev": true
     },
+    "array-equal": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/array-equal/-/array-equal-1.0.0.tgz",
+      "integrity": "sha1-jCpe8kcv2ep0KwTHenUJO6J1fJM=",
+      "dev": true
+    },
     "array-flatten": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
@@ -278,12 +336,30 @@
       "integrity": "sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0=",
       "dev": true
     },
+    "asn1": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.3.tgz",
+      "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y=",
+      "dev": true
+    },
+    "assert-plus": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+      "dev": true
+    },
     "assign-symbols": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
       "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=",
       "dev": true
     },
+    "astral-regex": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
+      "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==",
+      "dev": true
+    },
     "async": {
       "version": "2.1.4",
       "resolved": "https://registry.npmjs.org/async/-/async-2.1.4.tgz",
@@ -298,12 +374,36 @@
       "integrity": "sha1-GdOGodntxufByF04iu28xW0zYC0=",
       "dev": true
     },
+    "async-limiter": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
+      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==",
+      "dev": true
+    },
+    "asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
+      "dev": true
+    },
     "atob": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.1.tgz",
       "integrity": "sha1-ri1acpR38onWDdf5amMUoi3Wwio=",
       "dev": true
     },
+    "aws-sign2": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
+      "dev": true
+    },
+    "aws4": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.7.0.tgz",
+      "integrity": "sha512-32NDda82rhwD9/JBCCkB+MRYDp0oSvlo2IL6rQWA10PQi7tDUM3eqMSltXmY+Oyl/7N3P3qNtAlv7X0d9bI28w==",
+      "dev": true
+    },
     "babel-code-frame": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
@@ -339,6 +439,41 @@
         }
       }
     },
+    "babel-core": {
+      "version": "6.26.3",
+      "resolved": "https://registry.npmjs.org/babel-core/-/babel-core-6.26.3.tgz",
+      "integrity": "sha512-6jyFLuDmeidKmUEb3NM+/yawG0M2bDZ9Z1qbZP59cyHLz8kYGKYwpJP0UwUKKUiTRNvxfLesJnTedqczP7cTDA==",
+      "dev": true,
+      "requires": {
+        "babel-code-frame": "^6.26.0",
+        "babel-generator": "^6.26.0",
+        "babel-helpers": "^6.24.1",
+        "babel-messages": "^6.23.0",
+        "babel-register": "^6.26.0",
+        "babel-runtime": "^6.26.0",
+        "babel-template": "^6.26.0",
+        "babel-traverse": "^6.26.0",
+        "babel-types": "^6.26.0",
+        "babylon": "^6.18.0",
+        "convert-source-map": "^1.5.1",
+        "debug": "^2.6.9",
+        "json5": "^0.5.1",
+        "lodash": "^4.17.4",
+        "minimatch": "^3.0.4",
+        "path-is-absolute": "^1.0.1",
+        "private": "^0.1.8",
+        "slash": "^1.0.0",
+        "source-map": "^0.5.7"
+      },
+      "dependencies": {
+        "babylon": {
+          "version": "6.18.0",
+          "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz",
+          "integrity": "sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==",
+          "dev": true
+        }
+      }
+    },
     "babel-eslint": {
       "version": "8.2.3",
       "resolved": "https://registry.npmjs.org/babel-eslint/-/babel-eslint-8.2.3.tgz",
@@ -353,6 +488,212 @@
         "eslint-visitor-keys": "^1.0.0"
       }
     },
+    "babel-generator": {
+      "version": "6.26.1",
+      "resolved": "https://registry.npmjs.org/babel-generator/-/babel-generator-6.26.1.tgz",
+      "integrity": "sha512-HyfwY6ApZj7BYTcJURpM5tznulaBvyio7/0d4zFOeMPUmfxkCjHocCuoLa2SAGzBI8AREcH3eP3758F672DppA==",
+      "dev": true,
+      "requires": {
+        "babel-messages": "^6.23.0",
+        "babel-runtime": "^6.26.0",
+        "babel-types": "^6.26.0",
+        "detect-indent": "^4.0.0",
+        "jsesc": "^1.3.0",
+        "lodash": "^4.17.4",
+        "source-map": "^0.5.7",
+        "trim-right": "^1.0.1"
+      },
+      "dependencies": {
+        "jsesc": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz",
+          "integrity": "sha1-RsP+yMGJKxKwgz25vHYiF226s0s=",
+          "dev": true
+        }
+      }
+    },
+    "babel-helpers": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helpers/-/babel-helpers-6.24.1.tgz",
+      "integrity": "sha1-NHHenK7DiOXIUOWX5Yom3fN2ArI=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "^6.22.0",
+        "babel-template": "^6.24.1"
+      }
+    },
+    "babel-jest": {
+      "version": "22.4.4",
+      "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-22.4.4.tgz",
+      "integrity": "sha512-A9NB6/lZhYyypR9ATryOSDcqBaqNdzq4U+CN+/wcMsLcmKkPxQEoTKLajGfd3IkxNyVBT8NewUK2nWyGbSzHEQ==",
+      "dev": true,
+      "requires": {
+        "babel-plugin-istanbul": "^4.1.5",
+        "babel-preset-jest": "^22.4.4"
+      }
+    },
+    "babel-messages": {
+      "version": "6.23.0",
+      "resolved": "https://registry.npmjs.org/babel-messages/-/babel-messages-6.23.0.tgz",
+      "integrity": "sha1-8830cDhYA1sqKVHG7F7fbGLyYw4=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "^6.22.0"
+      }
+    },
+    "babel-plugin-istanbul": {
+      "version": "4.1.6",
+      "resolved": "https://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz",
+      "integrity": "sha512-PWP9FQ1AhZhS01T/4qLSKoHGY/xvkZdVBGlKM/HuxxS3+sC66HhTNR7+MpbO/so/cz/wY94MeSWJuP1hXIPfwQ==",
+      "dev": true,
+      "requires": {
+        "babel-plugin-syntax-object-rest-spread": "^6.13.0",
+        "find-up": "^2.1.0",
+        "istanbul-lib-instrument": "^1.10.1",
+        "test-exclude": "^4.2.1"
+      },
+      "dependencies": {
+        "find-up": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
+          "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+          "dev": true,
+          "requires": {
+            "locate-path": "^2.0.0"
+          }
+        }
+      }
+    },
+    "babel-plugin-jest-hoist": {
+      "version": "22.4.4",
+      "resolved": "https://registry.npmjs.org/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.4.4.tgz",
+      "integrity": "sha512-DUvGfYaAIlkdnygVIEl0O4Av69NtuQWcrjMOv6DODPuhuGLDnbsARz3AwiiI/EkIMMlxQDUcrZ9yoyJvTNjcVQ==",
+      "dev": true
+    },
+    "babel-plugin-syntax-object-rest-spread": {
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz",
+      "integrity": "sha1-/WU28rzhODb/o6VFjEkDpZe7O/U=",
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+      "resolved": "https://registry.npmjs.org/babel-preset-jest/-/babel-preset-jest-22.4.4.tgz",
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+      "requires": {
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+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-register/-/babel-register-6.26.0.tgz",
+      "integrity": "sha1-btAhFz4vy0htestFxgCahW9kcHE=",
+      "dev": true,
+      "requires": {
+        "babel-core": "^6.26.0",
+        "babel-runtime": "^6.26.0",
+        "core-js": "^2.5.0",
+        "home-or-tmp": "^2.0.0",
+        "lodash": "^4.17.4",
+        "mkdirp": "^0.5.1",
+        "source-map-support": "^0.4.15"
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+        "source-map-support": {
+          "version": "0.4.18",
+          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.4.18.tgz",
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+          "dev": true,
+          "requires": {
+            "source-map": "^0.5.6"
+          }
+        }
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+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
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+        "core-js": "^2.4.0",
+        "regenerator-runtime": "^0.11.0"
+      }
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+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-template/-/babel-template-6.26.0.tgz",
+      "integrity": "sha1-3gPi0WOWsGn0bdn/+FIfsaDjXgI=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "^6.26.0",
+        "babel-traverse": "^6.26.0",
+        "babel-types": "^6.26.0",
+        "babylon": "^6.18.0",
+        "lodash": "^4.17.4"
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+      "dependencies": {
+        "babylon": {
+          "version": "6.18.0",
+          "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz",
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+          "dev": true
+        }
+      }
+    },
+    "babel-traverse": {
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+      "dev": true,
+      "requires": {
+        "camelcase": "^4.1.0"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 4a4f80a..c0ae2d2 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "scripts": {
     "start": "node ./app.js",
     "debug": "npx nodemon --inspect ./app.js",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "jest"
   },
   "author": "",
   "dependencies": {
@@ -25,7 +25,13 @@
     "eslint": "^4.19.1",
     "eslint-config-airbnb-base": "^12.1.0",
     "eslint-config-node": "^2.0.0",
-    "eslint-plugin-import": "^2.11.0",
-    "nodemon": "^1.17.4"
+    "eslint-plugin-import": "^2.12.0",
+    "eslint-plugin-jest": "^21.15.1",
+    "jest": "^22.4.4",
+    "nodemon": "^1.17.4",
+    "supertest": "^3.1.0"
+  },
+  "jest": {
+    "testEnvironment": "node"
   }
 }
diff --git a/tests/integration/root.test.js b/tests/integration/root.test.js
new file mode 100644
index 0000000..1484fd0
--- /dev/null
+++ b/tests/integration/root.test.js
@@ -0,0 +1,37 @@
+const server = require('../../app.js');
+
+const request = require('supertest');
+const mongoose = require('mongoose');
+
+afterAll(async () => {
+  await mongoose.connection.dropDatabase();
+  await mongoose.disconnect();
+  await server.close();
+});
+
+describe('Test not found', () => {
+  test('respond not found with json', async () => {
+    const response = await request(server)
+      .get('/')
+      .set('Accept', 'application/json')
+      .expect(404)
+      .expect('Content-Type', 'application/json; charset=utf-8');
+    expect(response.body).toEqual({ error: 'Not found' });
+  });
+  test('respond not found with html', async () => {
+    const response = await request(server)
+      .get('/')
+      .set('Accept', 'text/html')
+      .expect(404)
+      .expect('Content-Type', 'text/html; charset=utf-8');
+    expect(response.text).toEqual('404');
+  });
+  test('respond not found with plain text', async () => {
+    const response = await request(server)
+      .get('/')
+      .set('Accept', 'text/plain')
+      .expect(404)
+      .expect('Content-Type', 'text/plain; charset=utf-8');
+    expect(response.text).toEqual('not found');
+  });
+});