added debug argument to ng test task. This argument when passed disable instrumentation and coverage, allowing to debug the source code when running tests

Author: abner

addon/ng2/blueprints/ng2/files/karma.conf.js

@@ -31,7 +31,7 @@ module.exports = function (config) {
       }
     },
     angularCliConfig: './angular-cli.json',
-    reporters: ['progress', 'karma-remap-istanbul'],
+    reporters: config.debug ? ['progress'] : ['progress', 'karma-remap-istanbul'],
     port: 9876,
     colors: true,
     logLevel: config.LOG_INFO,

addon/ng2/commands/test.ts

@@ -5,6 +5,7 @@ import * as TestTask from '../tasks/test';
 module.exports = TestCommand.extend({
   availableOptions: [
     { name: 'watch', type: Boolean, default: true, aliases: ['w'] },
+    { name: 'debug', type: Boolean, default: false, aliases: ['d'] },
     { name: 'browsers', type: String },
     { name: 'colors', type: Boolean },
     { name: 'log-level', type: String },

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

@@ -3,7 +3,7 @@
 const path = require('path');
 const webpack = require('webpack');
 
-const getWebpackTestConfig = function(projectRoot, appConfig) {
+const getWebpackTestConfig = function(projectRoot, appConfig, debug=false) {
 
   const appRoot = path.resolve(projectRoot, appConfig.root);
 
@@ -66,7 +66,7 @@ const getWebpackTestConfig = function(projectRoot, appConfig) {
         { test: /\.(jpg|png)$/, loader: 'url-loader?limit=128000' },
         { test: /\.html$/, loader: 'raw-loader', exclude: [path.resolve(appRoot, appConfig.index)] }
       ],
-      postLoaders: [
+      postLoaders: debug ? [] : [
         {
           test: /\.(js|ts)$/, loader: 'sourcemap-istanbul-instrumenter-loader',
           exclude: [

plugins/karma.js

@@ -9,7 +9,7 @@ const init = (config) => {
   const appConfig = angularCliConfig.apps[0];
 
   // add webpack config
-  config.webpack = getWebpackTestConfig(config.basePath, appConfig);
+  config.webpack = getWebpackTestConfig(config.basePath, appConfig, config.debug);
   config.webpackMiddleware = {
     noInfo: true, // Hide webpack output because its noisy.
     stats: { // Also prevent chunk and module display output, cleaner look. Only emit errors.