fixed coverege error

karma.conf.js

@@ -27,16 +27,18 @@ module.exports = function (config) {
     frameworks: ['jasmine'],
 
     plugins: [
+      require('karma-webpack'),
       require('karma-jasmine'),
       require('karma-chrome-launcher'),
       require('karma-phantomjs-launcher'),
       require('karma-webdriver-launcher'),
       require('karma-coverage'),
+      require('karma-remap-coverage'),
       require('karma-mocha-reporter'),
       require('karma-remap-istanbul'),
       require('karma-sourcemap-loader'),
-      require('karma-webpack'),
+      require("istanbul-instrumenter-loader"),
-      require("istanbul-instrumenter-loader")
+      require("karma-istanbul-preprocessor")
     ],
 
     // list of files to exclude
@@ -57,34 +59,29 @@ module.exports = function (config) {
      * available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
      */
     preprocessors: {
-      './spec-bundle.js': ['coverage', 'webpack', 'sourcemap']
+      './spec-bundle.js': ['istanbul', 'webpack', 'sourcemap']
     },
 
     // Webpack Config at ./webpack.test.js
     webpack: testWebpackConfig,
 
+    // save interim raw coverage report in memory
     coverageReporter: {
-      reporters: [{
+      type: 'in-memory'
-        type: 'in-memory'
-      }, {
-        type: 'json',
-        subdir: '.',
-        file: 'coverage-final.json'
-      }, {
-        type: 'html',
-        dir: 'coverage/'
-      }]
     },
 
     remapCoverageReporter: {
-      'text-summary': null,
+      'text-summary': null, // to show summary in console
-      json: './coverage/coverage.json',
+      html: './coverage/html',
-      html: './coverage/html'
+      cobertura: './coverage/cobertura.xml'
     },
 
     remapIstanbulReporter: {
+      remapOptions: {}, //additional remap options
       reports: {
-        html: 'coverage'
+        json: 'coverage/coverage.json',
+        lcovonly: 'coverage/lcov.info',
+        html: 'coverage/html/',
       }
     },
 
@@ -114,9 +111,7 @@ module.exports = function (config) {
      * possible values: 'dots', 'progress'
      * available reporters: https://npmjs.org/browse/keyword/karma-reporter
      */
-    reporters: [
+    reporters: ['mocha', 'coverage', 'remap-coverage', 'karma-remap-istanbul'],
-      'mocha', 'coverage', 'karma-remap-istanbul'
-    ],
 
     // Karma web server port
     port: 9876,

package.json

@@ -149,9 +149,11 @@
     "karma-chrome-launcher": "2.2.0",
     "karma-cli": "1.0.1",
     "karma-coverage": "1.1.1",
+    "karma-istanbul-preprocessor": "0.0.2",
     "karma-jasmine": "1.1.0",
     "karma-mocha-reporter": "2.2.3",
     "karma-phantomjs-launcher": "1.0.4",
+    "karma-remap-coverage": "0.1.4",
     "karma-remap-istanbul": "0.6.0",
     "karma-sourcemap-loader": "0.3.7",
     "karma-webdriver-launcher": "1.0.5",

webpack/webpack.test.js

@@ -1,5 +1,3 @@
-const path = require('path');
-
 const {
   root
 } = require('./helpers');
@@ -31,7 +29,7 @@ module.exports = function (options) {
      * Do not change, leave as is or it wont work.
      * See: https://github.com/webpack/karma-webpack#source-maps
      */
-    devtool: 'inline-source-map',
+    devtool: 'source-map',
 
     /**
      * Options affecting the resolving of modules.
@@ -50,7 +48,7 @@ module.exports = function (options) {
       /**
        * Make sure root is src
        */
-      modules: [path.resolve(__dirname, 'src'), 'node_modules']
+      modules: [root('src'), 'node_modules']
 
     },
 
@@ -112,19 +110,19 @@ module.exports = function (options) {
           use: [{
               loader: 'to-string-loader',
               options: {
-                sourceMap: 'inline'
+                sourceMap: true
               }
             },
             {
               loader: 'css-loader',
               options: {
-                sourceMap: 'inline'
+                sourceMap: true
               }
             },
             {
               loader: 'postcss-loader',
               options: {
-                sourceMap: 'inline'
+                sourceMap: true
               }
             }
           ],
@@ -141,30 +139,30 @@ module.exports = function (options) {
           use: [{
               loader: 'to-string-loader',
               options: {
-                sourceMap: 'inline'
+                sourceMap: true
               }
             }, {
               loader: 'raw-loader',
               options: {
-                sourceMap: 'inline'
+                sourceMap: true
               }
             },
             {
               loader: 'postcss-loader',
               options: {
-                sourceMap: 'inline'
+                sourceMap: true
               }
             },
             {
               loader: 'resolve-url-loader',
               options: {
-                sourceMap: 'inline'
+                sourceMap: true
               }
             },
             {
               loader: 'sass-loader',
               options: {
-                sourceMap: 'inline'
+                sourceMap: true
               }
             }
           ],

yarn.lock

@@ -3558,6 +3558,12 @@ karma-coverage@1.1.1:
     minimatch "^3.0.0"
     source-map "^0.5.1"
 
+karma-istanbul-preprocessor@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/karma-istanbul-preprocessor/-/karma-istanbul-preprocessor-0.0.2.tgz#6965116c3b4c0b9d4ff62cb8b924349372be1eff"
+  dependencies:
+    istanbul "^0.4.3"
+
 karma-jasmine@1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/karma-jasmine/-/karma-jasmine-1.1.0.tgz#22e4c06bf9a182e5294d1f705e3733811b810acf"
@@ -5435,7 +5441,7 @@ postcss-zindex@^2.0.1:
     postcss "^5.0.4"
     uniqs "^2.0.0"
 
-postcss@6.0.7:
+postcss@6.0.7, postcss@^6.0.0, postcss@^6.0.1, postcss@^6.0.2, postcss@^6.0.3, postcss@^6.0.5, postcss@^6.0.6:
   version "6.0.7"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.7.tgz#6a097477c46d13d0560a817d69abc0bae549d0a0"
   dependencies:
@@ -5452,14 +5458,6 @@ postcss@^5.0.0, postcss@^5.0.10, postcss@^5.0.11, postcss@^5.0.12, postcss@^5.0.
     source-map "^0.5.6"
     supports-color "^3.2.3"
 
-postcss@^6.0.0, postcss@^6.0.1, postcss@^6.0.2, postcss@^6.0.3, postcss@^6.0.5, postcss@^6.0.6:
-  version "6.0.6"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.6.tgz#bba4d58e884fc78c840d1539e10eddaabb8f73bd"
-  dependencies:
-    chalk "^2.0.1"
-    source-map "^0.5.6"
-    supports-color "^4.1.0"
-
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@@ -6746,7 +6744,7 @@ supports-color@^3.1.0, supports-color@^3.1.1, supports-color@^3.2.3:
   dependencies:
     has-flag "^1.0.0"
 
-supports-color@^4.0.0, supports-color@^4.1.0, supports-color@^4.2.0:
+supports-color@^4.0.0, supports-color@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.2.0.tgz#ad986dc7eb2315d009b4d77c8169c2231a684037"
   dependencies: