fix not overlay mode problems and improve test

ng2-components/ng2-alfresco-viewer/src/componets/mediaPlayer.component.spec.ts

@@ -0,0 +1,56 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * 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.
+ */
+
+import { describe, expect, it, inject, beforeEach } from '@angular/core/testing';
+import { TestComponentBuilder } from '@angular/compiler/testing';
+import { MediaPlayerComponent } from './mediaPlayer.component';
+
+describe('Media player component ', () => {
+
+    let mediaPlayerComponentFixture, element, component;
+
+    beforeEach(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
+        return tcb
+            .createAsync(MediaPlayerComponent)
+            .then(fixture => {
+                mediaPlayerComponentFixture = fixture;
+                element = fixture.nativeElement;
+                component = fixture.componentInstance;
+            });
+    }));
+
+    it('If no url is passed should thrown an error', () => {
+        expect(() => {
+            component.ngOnChanges();
+        }).toThrow(new Error('Attribute urlFile is required'));
+    });
+
+    it('If  url is passed should not thrown an error', () => {
+        component.urlFile = 'fake-url';
+        expect(() => {
+            component.ngOnChanges();
+        }).not.toThrow(new Error('Attribute urlFile is required'));
+    });
+
+    it('If  url is passed should not thrown an error', () => {
+        component.urlFile = 'fake-url';
+        expect(() => {
+            component.ngOnChanges();
+        }).not.toThrow(new Error('Attribute urlFile is required'));
+    });
+});
+