[Testing] Create unit tests for Types API (#1890)

* [Testing] Create unit tests for Tests API

* [Documentation] Fix spelling in TypeRegistry.js

* update TypeRegistrySpec to conform to code review
use .get() on typeRegistryInstance

Fixes #1514

src/api/types/TypeRegistry.js

@@ -90,7 +90,7 @@ define(['./Type'], function (Type) {
     /**
      * Retrieve a registered type by its key.
      * @method get
-     * @param {string} typeKey the key for htis type
+     * @param {string} typeKey the key for this type
      * @memberof module:openmct.TypeRegistry#
      * @returns {module:openmct.Type} the registered type
      */

src/api/types/TypeRegistrySpec.js

@@ -0,0 +1,55 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2017, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+define(['./TypeRegistry', './Type'], function (TypeRegistry, Type) {
+    describe('The Type API', function () {
+        var typeRegistryInstance;
+
+        beforeEach(function () {
+            typeRegistryInstance = new TypeRegistry ();
+            typeRegistryInstance.addType('testType', {
+                name: 'Test Type',
+                description: 'This is a test type.',
+                creatable: true
+            });
+        });
+
+        it('types can be standardized', function () {
+            typeRegistryInstance.addType('standardizationTestType', {
+                label: 'Test Type',
+                description: 'This is a test type.',
+                creatable: true
+            });
+            typeRegistryInstance.standardizeType(typeRegistryInstance.types.standardizationTestType);
+            expect(typeRegistryInstance.get('standardizationTestType').definition.label).toBeUndefined();
+            expect(typeRegistryInstance.get('standardizationTestType').definition.name).toBe('Test Type');
+        });
+
+        it('new types are registered successfully and can be retrieved', function () {
+            expect(typeRegistryInstance.get('testType').definition.name).toBe('Test Type');
+        });
+
+        it('type registry contains new keys', function () {
+            expect(typeRegistryInstance.listKeys ()).toContain('testType');
+        });
+    });
+});