fix(tests): performance improvements and fixes to jasmine testing

*  Refactor internal test utils to angular-material-spec.js
*  Publish material mocks `angular-material-mocks.js` to work with angular-mocks.js for 3rd party unit testing.
*  Removed module wrappers around all components
  *  now only has a single module wrapper protecting all the angular material code
*  Replaced use of `Function.bind( )` with `angular.bind()`
*  Fixed tests runs with uncompiled source **or** compiled, deployed `angular-material.js`
*  Use angular-material-mocks.js to decorate $$rAF.throttle(), force $mdAria.expectWithText() to be synchronous, and disable the generation of Theme CSS rules.
*  Major testing speed improvements by disabling Theme CSS generation.
*  Theme improvements: test existence of Theme CSS rule before regenerating.
*  Now works with Safari, Firefox, PhantomJS, and Chrome browser testing.
*  Running karma on ci was not exiting with non zero code, giving the impression the specs passed
*  fix(tests): karma tests with minified source now pass properly
  *  Restored module wrapper to material theme constants.
  *  Passed global args to module wrapper for JS modules
  *  Minified code no longer contains angular-material-mocks; which is not deployed as external file.
*  fix(tests): improve use of module wrappers
  *  Auto-wrap all JS files in module wrapper.
  *  Repackage angular-material-mocks.js to `/test/` directory
  *  Change karma logLevel to 'warn'

Closes #2800. Closes #2535.

config/karma.conf.js

@@ -1,54 +1,59 @@
 
 module.exports = function(config) {
-  
+
   var UNCOMPILED_SRC = [
-      'config/test-utils.js',
-      'src/core/**/*.js',
-
-      // Test utilities, source, and specifications.
-      // We are explicit like this because we don't want to put
-      // demos in the tests, and Karma doesn't support advanced
-      // globbing.
-      'src/components/*/*.js',
-      'src/components/*/js/*.js'
+
+    // To enabled use of `gulp karma-watch`,
+    // don't use the dist/angular-material.js
+    //
+    //'dist/angular-material.js',   // Un-minified source
+
+
+    // Test utilities, source, and specifications.
+    // We are explicit like this because we don't want to put
+    // demos in the tests, and Karma doesn't support advanced
+    // globbing.
+
+    'src/core/**/*.js',
+    'src/components/*/*.js',
+    'src/components/*/js/*.js',
+
+    'src/**/*.spec.js'
+
   ];
 
   var COMPILED_SRC = [
-    // Minified source
-    'dist/angular-material.min.js',
-
-    // Test utilties and specifications
-    'config/test-utils.js',
+    'dist/angular-material.min.js',   // Minified source
     'src/**/*.spec.js'
   ];
-
-  // releaseMode is a custom configuration option.
-  var testSrc = process.env.KARMA_TEST_COMPRESSED ? COMPILED_SRC : UNCOMPILED_SRC;
-  var dependencies = process.env.KARMA_TEST_JQUERY ? 
-      ['node_modules/jquery/dist/jquery.js'] : [];
 
-  dependencies = dependencies.concat([
-    'node_modules/angular/angular.js',
-    'node_modules/angular-animate/angular-animate.js',
-    'node_modules/angular-aria/angular-aria.js',
-    'node_modules/angular-mocks/angular-mocks.js',
-    'config/test-utils.js'
-  ]);
+  var dependencies = process.env.KARMA_TEST_JQUERY ? ['node_modules/jquery/dist/jquery.js'] : [];
+      dependencies = dependencies.concat([
+        'node_modules/angular/angular.js',
+        'node_modules/angular-animate/angular-animate.js',
+        'node_modules/angular-aria/angular-aria.js',
+        'node_modules/angular-mocks/angular-mocks.js',
+        'test/angular-material-mocks.js',
+        'test/angular-material-spec.js'
+      ]);
+
+  var testSrc = process.env.KARMA_TEST_COMPRESSED ? COMPILED_SRC : UNCOMPILED_SRC;
 
   config.set({
 
     basePath: __dirname + '/..',
     frameworks: ['jasmine'],
     files: dependencies.concat(testSrc),
 
+    logLevel:'warn',
     port: 9876,
     reporters: ['progress'],
     colors: true,
 
     // Continuous Integration mode
     // enable / disable watching file and executing tests whenever any file changes
     autoWatch: false,
-    singleRun: false,
+    singleRun: true,
 
     // Start these browsers, currently available:
     // - Chrome
@@ -58,7 +63,35 @@ module.exports = function(config) {
     // - Safari (only Mac; has to be installed with `npm install karma-safari-launcher`)
     // - PhantomJS
     // - IE (only Windows; has to be installed with `npm install karma-ie-launcher`)
-    browsers: ['Chrome']
+    browsers: ['Chrome'],
+
+    // you can define custom flags
+    customLaunchers: {
+      Chrome_without_security: {
+        base: 'Chrome',
+        flags: ['--disable-web-security']
+      },
+      PhantomJS_without_security: {
+        base: 'PhantomJS',
+        options : {
+          onResourceRequested : function (request) {
+              console.log('Request ' + JSON.stringify(request, undefined, 4));
+          },
+          onError : function (msg, trace) {
+              console.log(msg);
+              trace.forEach(function(item) {
+                  console.log('  ', item.file, ':', item.line);
+              });
+          }
+        },
+        flags: [
+          '--web-security=no',
+          '--proxy-type=none',
+          '--remote-debugger-port=9000',
+          '--remote-debugger-autorun=yes'
+        ]
+      }
+    }
   });
 
 };

gulp/config.js

@@ -7,11 +7,14 @@ module.exports = {
   ' * v' + VERSION + '\n' +
   ' */\n',
   jsBaseFiles: [
-    'src/core/**/*.js',
-    '!src/core/**/*.spec.js'
+    'src/core/**/*.js'
   ],
   jsFiles: [
-    'src/**/*.js'
+    'src/**/*.js',
+    '!src/**/*.spec.js'
+  ],
+  mockFiles : [
+    'test/angular-material-mocks.js'
   ],
   themeBaseFiles: [
     'src/core/style/variables.scss',

gulp/tasks/karma.js

@@ -1,19 +1,37 @@
 exports.task = function (done) {
+  var errorCount = 0;
   var karmaConfig = {
+    logLevel: 'warn',
     singleRun: true,
     autoWatch: false,
     browsers : argv.browsers ? argv.browsers.trim().split(',') : ['Chrome'],
     configFile: root + '/config/karma.conf.js'
   };
 
+  /**
+   * For each cycle of testings (unminified, minified, minified w/ jQuery)
+   * interrogate the exitCode to capture the exitCode...
+   * Then report any errors that may manifest [e.g.  in the minified tests]
+   */
+  function captureError(next) {
+    return function(exitCode) {
+      if (exitCode != 0) {
+        gutil.log(gutil.colors.red("Karma exited with the following exit code: " + exitCode));
+        errorCount++;
+      }
+      next();
+    };
+  }
+
+
   gutil.log('Running unit tests on unminified source.');
   buildJs(true);
-  karma.start(karmaConfig, testMinified);
+  karma.start(karmaConfig, captureError(testMinified));
 
   function testMinified() {
     gutil.log('Running unit tests on minified source.');
     process.env.KARMA_TEST_COMPRESSED = true;
-    karma.start(karmaConfig, testMinifiedJquery);
+    karma.start(karmaConfig, captureError(testMinifiedJquery));
   }
 
   function testMinifiedJquery() {
@@ -26,6 +44,8 @@ exports.task = function (done) {
   function clearEnv() {
     process.env.KARMA_TEST_COMPRESSED = undefined;
     process.env.KARMA_TEST_JQUERY = undefined;
+
+    if (errorCount > 0) { process.exit(errorCount); }
     done();
   }
 };