Added d3 force graph to GUI2 topology

Change-Id: I6860472efaf51ea27fad74e630e687f0c6abad3d
diff --git a/web/gui2/src/main/webapp/app/view/topology/layer/forcesvg/visuals/devicenodesvg/devicenodesvg.component.spec.ts b/web/gui2/src/main/webapp/app/view/topology/layer/forcesvg/visuals/devicenodesvg/devicenodesvg.component.spec.ts
new file mode 100644
index 0000000..0f4feee
--- /dev/null
+++ b/web/gui2/src/main/webapp/app/view/topology/layer/forcesvg/visuals/devicenodesvg/devicenodesvg.component.spec.ts
@@ -0,0 +1,68 @@
+/*
+ * 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 { DeviceNodeSvgComponent } from './devicenodesvg.component';
+import {LogService} from 'gui2-fw-lib';
+import {ActivatedRoute, Params} from '@angular/router';
+import {of} from 'rxjs';
+import {ChangeDetectorRef} from '@angular/core';
+import {Device} from '../../models';
+
+class MockActivatedRoute extends ActivatedRoute {
+    constructor(params: Params) {
+        super();
+        this.queryParams = of(params);
+    }
+}
+
+describe('DeviceNodeSvgComponent', () => {
+    let logServiceSpy: jasmine.SpyObj<LogService>;
+    let component: DeviceNodeSvgComponent;
+    let fixture: ComponentFixture<DeviceNodeSvgComponent>;
+    let ar: MockActivatedRoute;
+    let testDevice: Device;
+
+
+    beforeEach(async(() => {
+        const logSpy = jasmine.createSpyObj('LogService', ['info', 'debug', 'warn', 'error']);
+        ar = new MockActivatedRoute({ 'debug': 'txrx' });
+        testDevice = new Device('test:1');
+        testDevice.online = true;
+
+        TestBed.configureTestingModule({
+            declarations: [ DeviceNodeSvgComponent ],
+            providers: [
+                { provide: LogService, useValue: logSpy },
+                { provide: ActivatedRoute, useValue: ar },
+                { provide: ChangeDetectorRef, useClass: ChangeDetectorRef }
+            ]
+        })
+        .compileComponents();
+        logServiceSpy = TestBed.get(LogService);
+    }));
+
+    beforeEach(() => {
+        fixture = TestBed.createComponent(DeviceNodeSvgComponent);
+        component = fixture.componentInstance;
+        component.device = testDevice;
+        fixture.detectChanges();
+    });
+
+    it('should create', () => {
+        expect(component).toBeTruthy();
+    });
+});