Add tests for package-json

commit 8e72ab18f39f6e177757e1442e9f491d22982e58
Author: Rhys Arkins <rhys@keylocation.sg>
Date:   Thu Jan 12 09:33:33 2017 +0100

    Remove use strict

commit 3d13fa9e69b0050ba211128b8b73d210eb0b549a
Author: Rhys Arkins <rhys@keylocation.sg>
Date:   Thu Jan 12 09:31:22 2017 +0100

    Add circle.yml

commit d5fad78f3847f8b384a508d3ab6e4cd19939be4e
Author: Rhys Arkins <rhys@keylocation.sg>
Date:   Thu Jan 12 09:28:58 2017 +0100

    Try use strict

commit 32ed86bfb6e04fe4270381dc3faa1184192a6f91
Author: Rhys Arkins <rhys@keylocation.sg>
Date:   Thu Jan 12 09:12:46 2017 +0100

    Add package-json tests

app/renovate.js

 const changelog = require('changelog');
 const github = require('./helpers/github');
 const npm = require('./helpers/npm');
-const packageJson = require('./helpers/packageJson');
+const packageJson = require('./helpers/package-json');
 
 let config = null;
 let logger = null;

circle.yml

+machine:
+  node:
+    version: 6

package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "lint": "eslint .",
     "start": "node app",
-    "test": "eslint ."
+    "test": "mocha --recursive --reporter spec"
   },
   "repository": {
     "type": "git",
@@ -36,9 +36,11 @@
     "winston": "2.3.0"
   },
   "devDependencies": {
+    "chai": "3.5.0",
     "eslint": "3.13.1",
     "eslint-config-airbnb-base": "11.0.1",
     "eslint-plugin-import": "2.2.0",
-    "eslint-plugin-promise": "3.4.0"
+    "eslint-plugin-promise": "3.4.0",
+    "mocha": "3.2.0"
   }
 }

test/_fixtures/package.json/inputs/01.json

+{
+  "name": "renovate",
+  "description": "Client node modules for renovate",
+  "version": "1.0.0",
+  "author": "Rhys Arkins <rhys@keylocation.sg>",
+  "bugs": "https://github.com/singapore/renovate/issues",
+  "contributors": [
+    {
+      "name": "Rhys Arkins"
+    }
+  ],
+  "dependencies": {
+      "autoprefixer": "6.5.0",
+      "bower": "~1.6.0",
+      "browserify": "13.1.0",
+    "browserify-css": "0.9.2",
+    "cheerio": "0.22.0",
+    "config": "1.21.0"
+  },
+  "devDependencies": {
+    "angular": "^1.5.8",
+    "angular-touch": "1.5.8",
+    "angular-sanitize":  "1.5.8",
+    "@angular/core": "4.0.0-beta.1"
+  },
+  "homepage": "https://keylocation.sg",
+  "keywords": [
+    "Key Location",
+    "Singapore"
+  ],
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/singapore/renovate.git"
+  }
+}

test/_fixtures/package.json/outputs/011.json

+{
+  "name": "renovate",
+  "description": "Client node modules for renovate",
+  "version": "1.0.0",
+  "author": "Rhys Arkins <rhys@keylocation.sg>",
+  "bugs": "https://github.com/singapore/renovate/issues",
+  "contributors": [
+    {
+      "name": "Rhys Arkins"
+    }
+  ],
+  "dependencies": {
+      "autoprefixer": "6.5.0",
+      "bower": "~1.6.0",
+      "browserify": "13.1.0",
+    "browserify-css": "0.9.2",
+    "cheerio": "0.22.1",
+    "config": "1.21.0"
+  },
+  "devDependencies": {
+    "angular": "^1.5.8",
+    "angular-touch": "1.5.8",
+    "angular-sanitize":  "1.5.8",
+    "@angular/core": "4.0.0-beta.1"
+  },
+  "homepage": "https://keylocation.sg",
+  "keywords": [
+    "Key Location",
+    "Singapore"
+  ],
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/singapore/renovate.git"
+  }
+}

test/_fixtures/package.json/outputs/012.json

+{
+  "name": "renovate",
+  "description": "Client node modules for renovate",
+  "version": "1.0.0",
+  "author": "Rhys Arkins <rhys@keylocation.sg>",
+  "bugs": "https://github.com/singapore/renovate/issues",
+  "contributors": [
+    {
+      "name": "Rhys Arkins"
+    }
+  ],
+  "dependencies": {
+      "autoprefixer": "6.5.0",
+      "bower": "~1.6.0",
+      "browserify": "13.1.0",
+    "browserify-css": "0.9.2",
+    "cheerio": "0.22.0",
+    "config": "1.21.0"
+  },
+  "devDependencies": {
+    "angular": "^1.5.8",
+    "angular-touch": "1.6.1",
+    "angular-sanitize":  "1.5.8",
+    "@angular/core": "4.0.0-beta.1"
+  },
+  "homepage": "https://keylocation.sg",
+  "keywords": [
+    "Key Location",
+    "Singapore"
+  ],
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/singapore/renovate.git"
+  }
+}

test/_fixtures/package.json/outputs/013.json

+{
+  "name": "renovate",
+  "description": "Client node modules for renovate",
+  "version": "1.0.0",
+  "author": "Rhys Arkins <rhys@keylocation.sg>",
+  "bugs": "https://github.com/singapore/renovate/issues",
+  "contributors": [
+    {
+      "name": "Rhys Arkins"
+    }
+  ],
+  "dependencies": {
+      "autoprefixer": "6.5.0",
+      "bower": "~1.6.0",
+      "browserify": "13.1.0",
+    "browserify-css": "0.9.2",
+    "cheerio": "0.22.0",
+    "config": "1.21.0"
+  },
+  "devDependencies": {
+    "angular": "^1.5.8",
+    "angular-touch": "1.5.8",
+    "angular-sanitize":  "1.6.1",
+    "@angular/core": "4.0.0-beta.1"
+  },
+  "homepage": "https://keylocation.sg",
+  "keywords": [
+    "Key Location",
+    "Singapore"
+  ],
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/singapore/renovate.git"
+  }
+}

test/helpers/package-json.js

+const expect = require('chai').expect;
+const fs = require('fs');
+const packageJson = require('../../app/helpers/package-json');
+const winston = require('winston');
+packageJson.setLogger(winston);
+
+const inputContent = fs.readFileSync('./test/_fixtures/package.json/inputs/01.json', 'utf8');
+
+describe('package.json helper', function() {
+  describe('setNewValue', function() {
+    it('replaces a dependency value', function() {
+      const outputContent = fs.readFileSync('./test/_fixtures/package.json/outputs/011.json', 'utf8');
+      const testContent =
+        packageJson.setNewValue(inputContent, 'dependencies', 'cheerio', '0.22.1');
+      expect(testContent).to.equal(outputContent);
+    });
+    it('replaces only the first instance of a value', function() {
+      const outputContent = fs.readFileSync('./test/_fixtures/package.json/outputs/012.json', 'utf8');
+      const testContent =
+        packageJson.setNewValue(inputContent, 'devDependencies', 'angular-touch', '1.6.1');
+      expect(testContent).to.equal(outputContent);
+    });
+    it('replaces only the second instance of a value', function() {
+      const outputContent = fs.readFileSync('./test/_fixtures/package.json/outputs/013.json', 'utf8');
+      const testContent =
+        packageJson.setNewValue(inputContent, 'devDependencies', 'angular-sanitize', '1.6.1');
+      expect(testContent).to.equal(outputContent);
+    });
+  });
+});