Adding new 'coverage' command to run unit test coverage reporting, re…

README.md

@@ -13,5 +13,6 @@ A basic Angular 4 seed project utilizing the following technologies:
 
 * `npm start` - start the development webpack server (access via http://localhost:3000/)
 * `npm test` - run the project unit tests (*.spec.ts files)
+* `npm run coverage` - run the project unit tests one time and print out a coverage report, generated under **/coverage/index.html**
 * `npm run lint` - run the project linting (will be run every time `npm test` is run)
 * `npm run build` - generate a production build for the project, which will be inserted into dist/

config/test/karma.conf.js

@@ -24,7 +24,8 @@ module.exports = function(config) {
             require('karma-sourcemap-loader')
         ],
         client:{
-            clearContext: false
+            clearContext: false,
+            args: [ '--coverage', config.coverage ]
         },
         webpack: webpackConfig,
         coverageIstanbulReporter: {
@@ -34,14 +35,12 @@ module.exports = function(config) {
                 exclude: /\*.spec.ts/
             }
         },
-        // TODO build flag/param to specify coverage mode
-        reporters: [ 'progress', /*'kjhtml', */'coverage-istanbul' ],
+        reporters: config.coverage ? [ 'progress', 'coverage-istanbul' ] : [ 'progress', 'kjhtml' ],
         port: 9876,
         colors: true,
         logLevel: config.LOG_INFO,
         autoWatch: true,
         browsers: [ 'Chrome' ],
-        // TODO coverage param applies to this, too!
-        singleRun: true
+        singleRun: config.coverage
     });
 };

package.json

@@ -10,6 +10,7 @@
     "scripts": {
         "start": "webpack-dev-server --inline --config config/build/webpack.dev.js --progress --port 3000",
         "test": "karma start config/test/karma.conf.js",
+        "coverage": "npm run lint && karma start config/test/karma.conf.js --coverage=true",
         "lint": "tslint -c config/tslint.json \"src/app/**/*.ts\"",
         "pretest": "npm run lint",
         "build": "rimraf dist && webpack --config config/build/webpack.prod.js --progress --profile --bail"