Add support for running unit tests with the karma test runner

karma.conf.js

@@ -0,0 +1,106 @@
+var webpackConfig = require('./webpack.config.js');
+
+var reporters = ['dots'];
+
+if (process.env.COVERAGE || process.env.CONTINUOUS_INTEGRATION) {
+  console.log("This test run will generate coverage reports");
+  reporters.push('coverage');
+
+  if (process.env.CONTINUOUS_INTEGRATION) {
+    console.log("Coverage reports will be uploaded to coveralls.io");
+    reporters.push('coveralls');
+  }
+}
+
+module.exports = function(config) {
+  config.set({
+
+    // base path that will be used to resolve all patterns (eg. files, exclude)
+    basePath: '',
+
+
+    // frameworks to use
+    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
+    frameworks: ['jasmine'],
+
+
+    // list of files / patterns to load in the browser
+    files: [
+      {pattern: 'spec/index.js', watch: false},
+    ],
+
+
+    // list of files to exclude
+    exclude: [
+    ],
+
+
+    // preprocess matching files before serving them to the browser
+    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
+    preprocessors: {
+      "spec/index.js": ["webpack", "sourcemap"]
+    },
+
+    webpack: {
+      devtool: 'inline-source-map',
+      resolve: webpackConfig.resolve,
+      module: {
+        loaders: webpackConfig.module.loaders,
+        preLoaders: webpackConfig.module.preLoaders,
+      },
+    },
+    webpackMiddleware: {
+      noInfo: true
+    },
+    client: {
+      // log console output in our test console
+      captureConsole: true
+    },
+
+    reporters: reporters,
+    coverageReporter: {
+      dir: '.coverage',
+      reporters: [
+        { type: 'html' },
+        { type: 'lcovonly' }
+      ]
+    },
+
+    // web server port
+    port: 9876,
+
+
+    // enable / disable colors in the output (reporters and logs)
+    colors: true,
+
+
+    // level of logging
+    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
+    logLevel: config.LOG_INFO,
+
+
+    // enable / disable watching file and executing tests whenever any file changes
+    autoWatch: true,
+
+
+    // start these browsers
+    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
+    browsers: [ process.env.CONTINUOUS_INTEGRATION ? 'ChromeTravisCI' : 'Chrome' ],
+    customLaunchers: {
+      ChromeTravisCI: {
+        base: 'Chrome',
+        flags: ['--no-sandbox']
+      }
+    },
+
+    // Continuous Integration mode
+    // if true, Karma captures browsers, runs the tests and exits
+    singleRun: process.env.CONTINUOUS_INTEGRATION,
+
+    // Concurrency level
+    // how many browser should be started simultanous
+    concurrency: Infinity,
+    captureTimeout: 60000,
+    browserNoActivityTimeout: 60000 // 60 seconds
+  });
+};

package.json

@@ -26,8 +26,17 @@
     "express": "^4.1.1",
     "git-rev-sync": "^1.7.1",
     "googleapis": "^12.4.0",
+    "jasmine-core": "2.5.2",
     "js-md5": "^0.4.1",
     "jwt-simple": "^0.2.0",
+    "karma": "1.3.0",
+    "karma-babel-preprocessor": "6.0.1",
+    "karma-chrome-launcher": "2.0.0",
+    "karma-coverage": "1.1.1",
+    "karma-coveralls": "1.1.2",
+    "karma-jasmine": "1.0.2",
+    "karma-sourcemap-loader": "0.3.7",
+    "karma-webpack": "1.8.0",
     "lodash": "~2.4.1",
     "mocha": "^2.2.1",
     "mustache": "^0.8.1",
@@ -56,7 +65,9 @@
   "scripts": {
     "local-install": "heroku local:run npm install",
     "postinstall": "webpack && make -j3 web",
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "karma start --single-run",
+    "test-watch": "karma start",
+    "lint": "eslint src",
     "build": "heroku local:run make web-local",
     "mocha": "heroku local:run mocha",
     "start": "heroku local:run supervisor --poll-interval 700 --watch src/run.js,src/server.js src/run.js & heroku local:run webpack-dev-server --port 5001"

spec/.eslintrc

@@ -0,0 +1,6 @@
+{
+  "extends": "../.eslintrc",
+  "env": {
+    "jasmine": true
+  }
+}

spec/example-test.js

@@ -0,0 +1,5 @@
+describe("this is an example test", () => {
+  it("will test addition", () => {
+    expect(1).toEqual(1);
+  });
+});

spec/index.js

@@ -0,0 +1,6 @@
+// *Some* environments (phantomjs) don't have es5 (Function.prototype.bind)
+require('babel-polyfill');
+
+// require all the files in the spec folder that end with -test.js
+var context = require.context('.', true, /.*-test.js$/);
+context.keys().forEach(context);