First part of migrating Topo2 to GUI2

Change-Id: I316dd34cba161688e01dfb7b340bff5f2c3c57d4
diff --git a/web/gui2/src/main/webapp/app/view/topology/topology/topology.component.spec.ts b/web/gui2/src/main/webapp/app/view/topology/topology/topology.component.spec.ts
new file mode 100644
index 0000000..5933d37
--- /dev/null
+++ b/web/gui2/src/main/webapp/app/view/topology/topology/topology.component.spec.ts
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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 { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { ActivatedRoute, Params } from '@angular/router';
+import { of } from 'rxjs';
+import { HttpClient } from '@angular/common/http';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+
+import { TopologyComponent } from './topology.component';
+import { InstanceComponent } from '../panel/instance/instance.component';
+import { SummaryComponent } from '../panel/summary/summary.component';
+import { ToolbarComponent } from '../panel/toolbar/toolbar.component';
+import { DetailsComponent } from '../panel/details/details.component';
+
+import {
+    FlashComponent,
+    FnService,
+    LogService
+} from 'gui2-fw-lib';
+
+
+class MockActivatedRoute extends ActivatedRoute {
+    constructor(params: Params) {
+        super();
+        this.queryParams = of(params);
+    }
+}
+
+class MockHttpClient {}
+
+/**
+ * ONOS GUI -- Topology View -- Unit Tests
+ */
+describe('TopologyComponent', () => {
+    let fs: FnService;
+    let ar: MockActivatedRoute;
+    let windowMock: Window;
+    let logServiceSpy: jasmine.SpyObj<LogService>;
+    let component: TopologyComponent;
+    let fixture: ComponentFixture<TopologyComponent>;
+
+    beforeEach(async(() => {
+        const logSpy = jasmine.createSpyObj('LogService', ['info', 'debug', 'warn', 'error']);
+        ar = new MockActivatedRoute({ 'debug': 'txrx' });
+
+        windowMock = <any>{
+            location: <any>{
+                hostname: 'foo',
+                host: 'foo',
+                port: '80',
+                protocol: 'http',
+                search: { debug: 'true' },
+                href: 'ws://foo:123/onos/ui/websock/path',
+                absUrl: 'ws://foo:123/onos/ui/websock/path'
+            }
+        };
+        fs = new FnService(ar, logSpy, windowMock);
+
+        TestBed.configureTestingModule({
+            imports: [ BrowserAnimationsModule ],
+            declarations: [
+                TopologyComponent,
+                InstanceComponent,
+                SummaryComponent,
+                ToolbarComponent,
+                DetailsComponent,
+                FlashComponent
+            ],
+            providers: [
+                { provide: FnService, useValue: fs },
+                { provide: LogService, useValue: logSpy },
+                { provide: 'Window', useValue: windowMock },
+                { provide: HttpClient, useClass: MockHttpClient },
+            ]
+        }).compileComponents();
+        logServiceSpy = TestBed.get(LogService);
+    }));
+
+    beforeEach(() => {
+        fixture = TestBed.createComponent(TopologyComponent);
+        component = fixture.componentInstance;
+        fixture.detectChanges();
+    });
+
+    it('should create', () => {
+        expect(component).toBeTruthy();
+    });
+});