feat(test): add karma plugin (angular#1437)

Author: filipesilva

addon/ng2/blueprints/ng2/files/package.json

@@ -43,6 +43,7 @@
     "jasmine-spec-reporter": "2.5.0",
     "karma": "0.13.22",
     "karma-chrome-launcher": "0.2.3",
+    "karma-coverage": "^1.0.0",
     "karma-jasmine": "0.3.8",
     "karma-remap-istanbul": "^0.2.1",
     "protractor": "3.3.0",

addon/ng2/models/webpack-build-test.js

@@ -1,7 +1,6 @@
 // this config must be JS so that the karma plugin can load it
 
 const path = require('path');
-const webpack = require('webpack');
 
 const getWebpackTestConfig = function(projectRoot, sourceDir) {
   return {
@@ -43,10 +42,12 @@ const getWebpackTestConfig = function(projectRoot, sourceDir) {
             {
               loader: 'awesome-typescript-loader',
               query: {
+                useWebpackText: true,
                 tsconfig: path.resolve(projectRoot, `./${sourceDir}/tsconfig.json`),
                 module: 'commonjs',
                 target: 'es5',
-                useForkChecker: true
+                useForkChecker: true,
+                removeComments: true
               }
             },
             {
@@ -59,7 +60,7 @@ const getWebpackTestConfig = function(projectRoot, sourceDir) {
         { test: /\.css$/,  loaders: ['raw-loader', 'postcss-loader'] },
         { test: /\.styl$/, loaders: ['raw-loader', 'postcss-loader', 'stylus-loader'] },
         { test: /\.less$/, loaders: ['raw-loader', 'postcss-loader', 'less-loader'] },
-        { test: /\.scss$|\.sass$/, loaders: ['raw-loader', 'postcss-loader', 'sass-loader'] },
+        { test: /\.scss$/, loaders: ['raw-loader', 'postcss-loader', 'sass-loader'] },
         { test: /\.(jpg|png)$/, loader: 'url-loader?limit=128000' },
         { test: /\.html$/, loader: 'raw-loader', exclude: [path.resolve(projectRoot, `./${sourceDir}/index.html`)] }
       ],
@@ -69,24 +70,16 @@ const getWebpackTestConfig = function(projectRoot, sourceDir) {
           exclude: [
             /\.(e2e|spec)\.ts$/,
             /node_modules/
-          ],
-          query: { 'force-sourcemap': true }
+          ]
         }
       ]
     },
-    plugins: [
-      new webpack.SourceMapDevToolPlugin({
-        filename: null, // if no value is provided the sourcemap is inlined
-        test: /\.(ts|js)($|\?)/i // process .js and .ts files only
-      })
-    ],
     tslint: {
       emitErrors: false,
       failOnHint: false,
       resourcePath: `./${sourceDir}`
     },
     node: {
-      fs: 'empty',
       global: 'window',
       process: false,
       crypto: 'empty',
@@ -97,4 +90,4 @@ const getWebpackTestConfig = function(projectRoot, sourceDir) {
   };
 }
 
-module.exports.getWebpackTestConfig = getWebpackTestConfig;
+module.exports.getWebpackTestConfig = getWebpackTestConfig;