Add test coverage via Istanbul and Coveralls

.gitignore

@@ -1,6 +1,7 @@
 # Include your project-specific ignores in this file
 # Read about how to use .gitignore: https://help.github.com/articles/ignoring-files
 
+coverage
 docs/dist
 lib
 node_modules

.npmignore

@@ -1,4 +1,5 @@
 .idea
 .travis.xml
+coverage
 docs
 test

.travis.yml

@@ -3,3 +3,9 @@ language: node_js
 node_js:
   - '5'
   - '4'
+before_script:
+  - npm run lint
+script:
+  - npm run test:cover
+after_success:
+  - npm run coveralls

README.md

@@ -3,6 +3,7 @@
 [![NPM version](http://img.shields.io/npm/v/generator-javascript.svg?style=flat-square)](https://www.npmjs.com/package/generator-javascript)
 [![NPM downloads](http://img.shields.io/npm/dm/generator-javascript.svg?style=flat-square)](https://www.npmjs.com/package/generator-javascript)
 [![Build Status](http://img.shields.io/travis/kriasoft/babel-starter-kit/master.svg?style=flat-square)](https://travis-ci.org/kriasoft/babel-starter-kit)
+[![Coverage Status](https://img.shields.io/coveralls/kriasoft/babel-starter-kit.svg?style=flat-square)](https://coveralls.io/github/kriasoft/babel-starter-kit)
 [![Dependency Status](http://img.shields.io/david/dev/kriasoft/babel-starter-kit.svg?style=flat-square)](https://david-dm.org/kriasoft/babel-starter-kit#info=devDependencies)
 [![Online Chat](http://img.shields.io/badge/chat_room-%23babel--starter--kit-blue.svg?style=flat-square)](https://gitter.im/kriasoft/babel-starter-kit)
 
@@ -11,9 +12,9 @@
 ### Features
 
 &nbsp; &nbsp; ✓ Next generation JavaScript via [Babel](http://babeljs.io/)<br>
-&nbsp; &nbsp; ✓ Publish to [NPM](https://www.npmjs.com/) as ES5, ES6+ and UMD<br>
-&nbsp; &nbsp; ✓ Pre-configured tests with [Mocha](http://mochajs.org/), [Chai](http://chaijs.com/) and [Sinon](http://sinonjs.org/)<br>
-&nbsp; &nbsp; ✓ Project documentation boilerplate ([demo](http://www.kriasoft.com/babel-starter-kit/))<br>
+&nbsp; &nbsp; ✓ Pre-configured unit tests with [Mocha](http://mochajs.org/), [Chai](http://chaijs.com/), and [Sinon](http://sinonjs.org/)<br>
+&nbsp; &nbsp; ✓ Pre-configured test coverage wtih [Istanbul](https://github.com/gotwarlost/istanbul), and [Coveralls](https://coveralls.io/)<br>
+&nbsp; &nbsp; ✓ Project homepage boilerplate generated from `docs/*.md` files with [Easystatic](https://easystatic.com) ([demo](http://www.kriasoft.com/babel-starter-kit/))<br>
 &nbsp; &nbsp; ✓ [Yeoman](http://yeoman.io/) generator ([generator-javascript](https://github.com/kriasoft/babel-starter-kit/tree/yeoman-generator))<br>
 &nbsp; &nbsp; ✓ Cross-platform, minimum dependencies<br>
 
@@ -37,8 +38,10 @@ Run `npm start` to launch a development server with the documentation site.
 ### How to Test
 
 ```shell
-$ npm run lint          # Lint your code
-$ npm test              # Run unit tests, or `npm test -- --watch`
+$ npm run lint          # Lint the source code with ESLint
+$ npm test              # Run unit tests with Mocha
+$ npm test -- --watch   # Run unit tests wtih Mocha, and watch files for changes
+$ npm run cover         # Run test coverage with Istanbul
 ```
 
 ### How to Update

package.json

@@ -36,16 +36,20 @@
     "babel-preset-stage-0": "^6.5.0",
     "babel-register": "^6.7.2",
     "chai": "^3.5.0",
+    "coveralls": "^2.11.9",
     "eslint": "^2.5.3",
     "eslint-config-airbnb": "6.2.0",
     "eslint-plugin-react": "^4.2.3",
+    "istanbul": "^1.0.0-alpha.2",
     "mocha": "^2.4.5",
     "rimraf": "^2.5.2",
     "sinon": "^2.0.0-pre"
   },
   "scripts": {
     "lint": "eslint src test",
-    "test": "mocha test --compilers js:babel-register",
+    "test": "mocha --compilers js:babel-register",
+    "test:cover": "babel-node ./node_modules/istanbul/lib/cli.js cover ./node_modules/mocha/bin/_mocha -- -R spec",
+    "coveralls": "cat ./coverage/lcov.info | coveralls",
     "build": "rimraf lib && babel src --out-dir lib",
     "publish": "rimraf lib && babel src --out-dir lib",
     "publish:docs": "easystatic deploy --repo kriasoft/babel-starter-kit",