Add grunt test command to launch karma testing

Author: alancutter

Gruntfile.js

@@ -7,6 +7,7 @@ module.exports = function(grunt) {
   uglifyTargets = {};
   gendevTargets = {};
   gentestTargets = {};
+  testTargets = {};
   for (var target in targetConfig) {
     var suffix = target === targetConfig.defaultTarget ? '' : '-' + target;
     uglifyTargets[target] = {
@@ -31,6 +32,7 @@ module.exports = function(grunt) {
     };
     gendevTargets[target] = targetConfig[target].src;
     gentestTargets[target] = targetConfig[target];
+    testTargets[target] = {};
   }
 
   grunt.initConfig({
@@ -58,6 +60,7 @@ module.exports = function(grunt) {
         ],
       }
     },
+    test: testTargets,
   });
 
   grunt.task.registerMultiTask('gendev', 'Generate web-animations-<target>.dev.js', function() {
@@ -76,16 +79,32 @@ module.exports = function(grunt) {
     grunt.log.writeln('File ' + filename + ' created');
   });
 
-  grunt.registerTask('clean', 'Remove files generated by grunt', function() {
+  grunt.task.registerMultiTask('test', 'Run <target> tests under Karma', function() {
+    var done = this.async();
+    var config = targetConfig[this.target];
+    var karmaConfig = require('./test/karma-config.js');
+    karmaConfig.files = ['test/runner.js'].concat(config.src, config.test);
+    var karmaServer = require('karma').server;
+    karmaServer.start(karmaConfig, function(exitCode) {
+      done(exitCode === 0);
+    });
+  });
+
+  grunt.task.registerTask('clean', 'Remove files generated by grunt', function() {
     grunt.file.expand('web-animations-*').concat(grunt.file.expand('test/runner-*.html')).forEach(function(file) {
       grunt.file.delete(file);
       grunt.log.writeln('File ' + file + ' removed');
     });
   });
 
   for (var target in targetConfig) {
-    grunt.registerTask(target, ['uglify:' + target, 'gendev:' + target, 'gentest:' + target, 'gjslint'])
+    grunt.task.registerTask(target, [
+      'uglify:' + target,
+      'gendev:' + target,
+      'gentest:' + target,
+      'gjslint',
+    ]);
   }
 
-  grunt.registerTask('default', ['uglify', 'gendev', 'gentest', 'gjslint']);
+  grunt.task.registerTask('default', ['uglify', 'gendev', 'gentest', 'gjslint']);
 };

package.json

@@ -9,6 +9,14 @@
     "chai": "^1.9.1",
     "grunt": "^0.4.4",
     "grunt-contrib-uglify": "^0.4.0",
-    "grunt-gjslint": "^0.1.4"
+    "grunt-gjslint": "^0.1.4",
+    "grunt-karma": "^0.8.2",
+    "karma": "^0.12.14",
+    "karma-mocha": "^0.1.3",
+    "karma-chai": "^0.1.0",
+    "karma-chrome-launcher": "~0.1.4",
+    "karma-firefox-launcher": "~0.1.3",
+    "karma-ie-launcher": "~0.1.5",
+    "karma-safari-launcher": "~0.1.1"
   }
 }

test/karma-config.js

@@ -0,0 +1,20 @@
+module.exports = {
+  frameworks: ['mocha', 'chai'],
+  plugins: [
+    'karma-mocha',
+    'karma-chai',
+    'karma-chrome-launcher'
+    // 'karma-firefox-launcher'
+  ],
+  browsers: ['Chrome'],
+  // browsers: ['Safari', 'Chrome', 'ChromeCanary', 'Firefox', 'IE'],
+  basePath: '.',
+  files: [
+    // Populated in `grunt test` task.
+  ],
+  singleRun: true,
+  port: 9876,
+  reporters: ['progress'],
+  colors: true,
+  autoWatch: false,
+};