test(checkbox): add missing tests

Author: Kamil Kisiela

package.js

@@ -116,6 +116,8 @@ Package.onTest(function(api) {
 
     api.addFiles([
         'tests/client/test-utils.js',
-        'tests/client/formly-material-spec.js'
+        'tests/client/formly-material-spec.js',
+        // types
+        'tests/client/types/checkbox-spec.js'
     ], client);
 });

tests/client/types/checkbox-spec.js

@@ -0,0 +1,62 @@
+describe("formlyMaterial - checkbox type", () => {
+    
+    //
+    // vars
+    //
+    let formlyConfig;
+    let $compile;
+    let $rootScope;
+    let $scope;
+    let element;
+    //
+    // helpers
+    //
+
+    function compile(options) {
+        $scope = $rootScope.$new();
+        $scope.fields = [angular.merge({}, {
+            key: 'testField',
+            type: 'checkbox',
+            templateOptions: {
+                label: 'test field'
+            }
+        }, options)];
+
+        let form = $compile(testUtils.formTemplate)($scope);
+        $scope.$digest();
+        element = form.find('[ng-model]')[0];
+    }
+    
+    //
+    // tests
+    //
+
+    beforeEach(() => {
+        angular.module('testApp', ['angular-meteor', 'formly', 'formlyMaterial']);
+        module('testApp');
+
+        inject((_$compile_, _$rootScope_, _formlyConfig_) => {
+            $compile = _$compile_;
+            $rootScope = _$rootScope_;
+            formlyConfig = _formlyConfig_;
+        });
+
+        const types = ['checkbox'];
+
+        types.forEach((type) => {
+            testUtils.fixTypeTemplateUrl(formlyConfig, type);
+        });
+        
+        compile();
+    });
+    
+    it('should be md-checkbox element', () => {
+        expect(element.nodeName).toBe('MD-CHECKBOX');
+    });
+    
+    it("should have label", () => {
+        console.log(angular.element(element));
+        expect(element.innerText).toContain("test field");
+    });
+    
+});