test(hooks): Add failing test for #132

Author: christopherthielen

test/hooks/onBefore.spec.ts

@@ -0,0 +1,42 @@
+import { TestBed } from '@angular/core/testing';
+import { Component } from '@angular/core';
+import { memoryLocationPlugin, UIRouter, StateService } from '@uirouter/core';
+import { UIRouterModule } from '../../src';
+
+@Component({ selector: 'home', template: '<h1>APP</h1><ui-view></ui-view>' })
+export class AppComponent { }
+
+
+describe('onBefore hook', () => {
+  let stateService;
+  const hook = (trans) => stateService = trans.injector().get(StateService);
+  const hookSpy = jasmine.createSpy('hook', hook).and.callThrough();
+
+  const setupTests = () => {
+    const configFn = (router: UIRouter) => {
+      router.plugin(memoryLocationPlugin);
+      router.transitionService.onBefore({}, hookSpy);
+    };
+
+    const routerModule = UIRouterModule.forRoot({
+      useHash: true,
+      states: [{ name: 'home', url: '/home' }],
+      initial: '/home',
+      config: configFn,
+    });
+
+    TestBed.configureTestingModule({
+      imports: [routerModule],
+      declarations: [AppComponent],
+    });
+  };
+
+  beforeEach(setupTests);
+
+  it('should be able to inject StateService', () => {
+    TestBed.createComponent(AppComponent);
+    expect(hookSpy).toHaveBeenCalledTimes(1);
+    expect(stateService).toBeDefined();
+    expect(stateService instanceof StateService).toBeTruthy();
+  });
+});