Merge pull request react-bootstrap#853 from react-bootstrap/code-coverage

Code coverage

Author: AlexKVal

.gitignore

@@ -12,3 +12,4 @@ docs-built/
 tmp-bower-repo/
 tmp-docs-repo/
 .babel-cache/
+.coverage/

karma.conf.js

@@ -1,10 +1,24 @@
-/* eslint no-var: 0 */
+/* eslint no-var: 0, object-shorthand: 0 */
 require('babel/register');
 
 var webpackConfig = require('./webpack/test.config.js');
 var isCI = process.env.CONTINUOUS_INTEGRATION === 'true';
+var runCoverage = process.env.COVERAGE === 'true' || isCI;
 var devBrowser = process.env.PHANTOM ? 'PhantomJS' : 'Chrome';
 
+var preprocessors = ['webpack', 'sourcemap'];
+var reporters = ['mocha'];
+
+if (runCoverage) {
+  webpackConfig = require('./webpack/test-coverage.config');
+  preprocessors.push('coverage');
+  reporters.push('coverage');
+
+  if (isCI) {
+    reporters.push('coveralls');
+  }
+}
+
 module.exports = function (config) {
   config.set({
 
@@ -22,7 +36,7 @@ module.exports = function (config) {
     ],
 
     preprocessors: {
-      'test/index.js': ['webpack', 'sourcemap']
+      'test/index.js': preprocessors
     },
 
     webpack: webpackConfig,
@@ -31,12 +45,20 @@ module.exports = function (config) {
       noInfo: isCI
     },
 
-    reporters: ['mocha'],
+    reporters: reporters,
 
     mochaReporter: {
       output: 'autowatch'
     },
 
+    coverageReporter: {
+      dir: '.coverage',
+      reporters: [
+        { type: 'html' },
+        { type: 'lcovonly' }
+      ]
+    },
+
     port: 9876,
 
     colors: true,

package.json

@@ -10,6 +10,7 @@
   "scripts": {
     "build": "babel-node tools/build-cli.js",
     "test-watch": "karma start",
+    "test-coverage": "npm run build && COVERAGE=true karma start --single-run",
     "test": "npm run lint && npm run build && karma start --single-run && _mocha --compilers js:babel-core/register test/server/*Spec.js",
     "lint": "eslint ./",
     "docs-build": "babel-node tools/build-cli.js --docs-only",
@@ -63,11 +64,14 @@
     "glob": "^5.0.10",
     "http-proxy": "^1.11.1",
     "ip": "^0.3.2",
+    "isparta-loader": "^0.2.0",
     "json-loader": "^0.5.1",
     "karma": "~0.12.32",
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "~0.1.2",
     "karma-cli": "0.0.4",
+    "karma-coverage": "^0.4.2",
+    "karma-coveralls": "^1.1.0",
     "karma-firefox-launcher": "~0.1.3",
     "karma-mocha": "~0.1.1",
     "karma-mocha-reporter": "^1.0.2",

webpack/test-coverage.config.js

@@ -0,0 +1,12 @@
+import _ from 'lodash';
+import { jsLoader } from './base.config';
+import testConfig from './test.config';
+
+export default _.extend({}, testConfig, {
+  module: {
+    loaders: [
+      { test: /\.js/, loader: `${jsLoader}!isparta`, exclude: /node_modules|test[\/\\]/ },
+      { test: /\.js/, loader: jsLoader, include: /test[\/\\]/ }
+    ]
+  }
+});