test(): Adding test coverage for $materialAria

src/components/checkbox/checkbox.js

@@ -76,8 +76,6 @@ function MaterialCheckboxDirective(inputDirectives, $materialInkRipple, $materia
     tAttrs.tabIndex = 0;
     tElement.attr('role', tAttrs.type);
 
-    $materialAria.expect(tElement, 'aria-label');
-
     return function postLink(scope, element, attr, ngModelCtrl) {
       var checked = false;
 
@@ -90,6 +88,8 @@ function MaterialCheckboxDirective(inputDirectives, $materialInkRipple, $materia
         $formatters: []
       };
 
+      $materialAria.expect(element, 'aria-label');
+
       // Reuse the original input[type=checkbox] directive from Angular core.
       // This is a bit hacky as we need our own event listener and own render
       // function.
@@ -120,7 +120,6 @@ function MaterialCheckboxDirective(inputDirectives, $materialInkRipple, $materia
 
       function render() {
         checked = ngModelCtrl.$viewValue;
-        // element.attr('aria-checked', checked);
         if(checked) {
           element.addClass(CHECKED_CSS);
         } else {

src/components/checkbox/checkbox.spec.js

@@ -6,6 +6,28 @@ describe('materialCheckbox', function() {
   beforeEach(module('ngAria'));
   beforeEach(TestUtil.mockRaf);
 
+  it('should warn developers they need a label', inject(function($compile, $rootScope, $log){
+    spyOn($log, "warn");
+    var element = $compile('<div>' +
+                             '<material-checkbox ng-model="blue">' +
+                             '</material-checkbox>' +
+                           '</div>')($rootScope);
+
+    var cbElements = element.find('material-checkbox');
+    expect($log.warn).toHaveBeenCalled();
+  }));
+
+  it('should copy text content to aria-label', inject(function($compile, $rootScope){
+    var element = $compile('<div>' +
+                             '<material-checkbox ng-model="blue">' +
+                             'Some text' +
+                             '</material-checkbox>' +
+                           '</div>')($rootScope);
+
+    var cbElements = element.find('material-checkbox');
+    expect(cbElements.eq(0).attr('aria-label')).toBe('Some text');
+  }));
+
   it('should set checked css class and aria-checked attributes', inject(function($compile, $rootScope) {
     var element = $compile('<div>' +
                              '<material-checkbox ng-model="blue">' +

src/components/radioButton/radioButton.spec.js

@@ -32,7 +32,7 @@ describe('radioButton', function() {
     expect(rbGroupElement.find('material-radio-button').eq(0).attr('role')).toEqual('radio');
   }));
 
-  it('should set aria attributes', inject(function($compile, $rootScope) {
+  it('should set aria states', inject(function($compile, $rootScope) {
     var element = $compile('<material-radio-group ng-model="color">' +
                             '<material-radio-button value="blue"></material-radio-button>' +
                             '<material-radio-button value="green"></material-radio-button>' +
@@ -51,6 +51,26 @@ describe('radioButton', function() {
     expect(element.attr('aria-activedescendant')).not.toEqual(rbElements.eq(0).attr('id'));
   }));
 
+  it('should warn developers they need a label', inject(function($compile, $rootScope, $log){
+    spyOn($log, "warn");
+    var element = $compile('<material-radio-group ng-model="color">' +
+                            '<material-radio-button value="blue"></material-radio-button>' +
+                            '<material-radio-button value="green"></material-radio-button>' +
+                          '</material-radio-group>')($rootScope);
+
+    expect($log.warn).toHaveBeenCalled();
+  }));
+
+  it('should create an aria label from provided text', inject(function($compile, $rootScope) {
+    var element = $compile('<material-radio-group ng-model="color">' +
+                            '<material-radio-button value="blue">Blue</material-radio-button>' +
+                            '<material-radio-button value="green">Green</material-radio-button>' +
+                          '</material-radio-group>')($rootScope);
+
+    var rbElements = element.find('material-radio-button');
+    expect(rbElements.eq(0).attr('aria-label')).toEqual('Blue');
+  }));
+
   it('should be operable via arrow keys', inject(function($compile, $rootScope) {
     var element = $compile('<material-radio-group ng-model="color">' +
                             '<material-radio-button value="blue"></material-radio-button>' +

src/components/slider/slider.spec.js

@@ -12,6 +12,8 @@ describe('material-slider', function() {
     };
   }
 
+  // beforeEach(TestUtil.mockRaf);
+  beforeEach(module('ngAria'));
   beforeEach(module('material.components.slider','material.decorators'));
 
   it('should set model on press', inject(function($compile, $rootScope, $timeout) {
@@ -93,4 +95,13 @@ describe('material-slider', function() {
     expect($rootScope.model).toBe(100);
   }));
 
+  xit('should warn developers they need a label', inject(function($compile, $rootScope, $timeout, $log) {
+    spyOn($log, "warn");
+
+    var slider = $compile(
+      '<material-slider min="100" max="104" step="2" ng-model="model">'
+    )($rootScope);
+
+    expect($log.warn).toHaveBeenCalled();
+  }));
 });

src/services/aria/aria.js

@@ -32,8 +32,6 @@ function AriaService($$rAF, $log) {
 
       if (hasDefault) {
         defaultValue = String(defaultValue).trim();
-        // $log.warn(messageTemplate + ' ' + defaultValueTemplate,
-        //           attrName, getTagString(node), attrName, defaultValue);
         element.attr(attrName, defaultValue);
       } else {
         $log.warn(messageTemplate, attrName, getTagString(node));