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Merge pull request DSpace#2510 from atmire/fix-mutliple-api-calls-on-…
…route-change Fix multiple api calls on route change
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,68 +1,86 @@ | ||
| import { ServerCheckGuard } from './server-check.guard'; | ||
| import { Router } from '@angular/router'; | ||
| import { Router, NavigationStart, UrlTree, NavigationEnd, RouterEvent } from '@angular/router'; | ||
|
|
||
| import { of } from 'rxjs'; | ||
| import { take } from 'rxjs/operators'; | ||
|
|
||
| import { getPageInternalServerErrorRoute } from '../../app-routing-paths'; | ||
| import { of, ReplaySubject } from 'rxjs'; | ||
| import { RootDataService } from '../data/root-data.service'; | ||
| import { TestScheduler } from 'rxjs/testing'; | ||
| import SpyObj = jasmine.SpyObj; | ||
|
|
||
| describe('ServerCheckGuard', () => { | ||
| let guard: ServerCheckGuard; | ||
| let router: SpyObj<Router>; | ||
| let router: Router; | ||
| const eventSubject = new ReplaySubject<RouterEvent>(1); | ||
| let rootDataServiceStub: SpyObj<RootDataService>; | ||
|
|
||
| rootDataServiceStub = jasmine.createSpyObj('RootDataService', { | ||
| checkServerAvailability: jasmine.createSpy('checkServerAvailability'), | ||
| invalidateRootCache: jasmine.createSpy('invalidateRootCache') | ||
| }); | ||
| router = jasmine.createSpyObj('Router', { | ||
| navigateByUrl: jasmine.createSpy('navigateByUrl') | ||
| }); | ||
| let testScheduler: TestScheduler; | ||
| let redirectUrlTree: UrlTree; | ||
|
|
||
| beforeEach(() => { | ||
| testScheduler = new TestScheduler((actual, expected) => { | ||
| expect(actual).toEqual(expected); | ||
| }); | ||
| rootDataServiceStub = jasmine.createSpyObj('RootDataService', { | ||
| checkServerAvailability: jasmine.createSpy('checkServerAvailability'), | ||
| invalidateRootCache: jasmine.createSpy('invalidateRootCache'), | ||
| findRoot: jasmine.createSpy('findRoot') | ||
| }); | ||
| redirectUrlTree = new UrlTree(); | ||
| router = { | ||
| events: eventSubject.asObservable(), | ||
| navigateByUrl: jasmine.createSpy('navigateByUrl'), | ||
| parseUrl: jasmine.createSpy('parseUrl').and.returnValue(redirectUrlTree) | ||
| } as any; | ||
| guard = new ServerCheckGuard(router, rootDataServiceStub); | ||
| }); | ||
|
|
||
| afterEach(() => { | ||
| router.navigateByUrl.calls.reset(); | ||
| rootDataServiceStub.invalidateRootCache.calls.reset(); | ||
| }); | ||
|
|
||
| it('should be created', () => { | ||
| expect(guard).toBeTruthy(); | ||
| }); | ||
|
|
||
| describe('when root endpoint has succeeded', () => { | ||
| describe('when root endpoint request has succeeded', () => { | ||
| beforeEach(() => { | ||
| rootDataServiceStub.checkServerAvailability.and.returnValue(of(true)); | ||
| }); | ||
|
|
||
| it('should not redirect to error page', () => { | ||
| guard.canActivateChild({} as any, {} as any).pipe( | ||
| take(1) | ||
| ).subscribe((canActivate: boolean) => { | ||
| expect(canActivate).toEqual(true); | ||
| expect(rootDataServiceStub.invalidateRootCache).not.toHaveBeenCalled(); | ||
| expect(router.navigateByUrl).not.toHaveBeenCalled(); | ||
| it('should return true', () => { | ||
| testScheduler.run(({ expectObservable }) => { | ||
| const result$ = guard.canActivateChild({} as any, {} as any); | ||
| expectObservable(result$).toBe('(a|)', { a: true }); | ||
| }); | ||
| }); | ||
| }); | ||
|
|
||
| describe('when root endpoint has not succeeded', () => { | ||
| describe('when root endpoint request has not succeeded', () => { | ||
| beforeEach(() => { | ||
| rootDataServiceStub.checkServerAvailability.and.returnValue(of(false)); | ||
| }); | ||
|
|
||
| it('should redirect to error page', () => { | ||
| guard.canActivateChild({} as any, {} as any).pipe( | ||
| take(1) | ||
| ).subscribe((canActivate: boolean) => { | ||
| expect(canActivate).toEqual(false); | ||
| expect(rootDataServiceStub.invalidateRootCache).toHaveBeenCalled(); | ||
| expect(router.navigateByUrl).toHaveBeenCalledWith(getPageInternalServerErrorRoute()); | ||
| it('should return a UrlTree with the route to the 500 error page', () => { | ||
| testScheduler.run(({ expectObservable }) => { | ||
| const result$ = guard.canActivateChild({} as any, {} as any); | ||
| expectObservable(result$).toBe('(b|)', { b: redirectUrlTree }); | ||
| }); | ||
| expect(router.parseUrl).toHaveBeenCalledWith('/500'); | ||
| }); | ||
| }); | ||
|
|
||
| describe(`listenForRouteChanges`, () => { | ||
| it(`should retrieve the root endpoint, without using the cache, when the method is first called`, () => { | ||
| testScheduler.run(() => { | ||
| guard.listenForRouteChanges(); | ||
| expect(rootDataServiceStub.findRoot).toHaveBeenCalledWith(false); | ||
| }); | ||
| }); | ||
|
|
||
| it(`should invalidate the root cache on every NavigationStart event`, () => { | ||
| testScheduler.run(() => { | ||
| guard.listenForRouteChanges(); | ||
| eventSubject.next(new NavigationStart(1,'')); | ||
| eventSubject.next(new NavigationEnd(1,'', '')); | ||
| eventSubject.next(new NavigationStart(2,'')); | ||
| eventSubject.next(new NavigationEnd(2,'', '')); | ||
| eventSubject.next(new NavigationStart(3,'')); | ||
| }); | ||
| expect(rootDataServiceStub.invalidateRootCache).toHaveBeenCalledTimes(3); | ||
| }); | ||
| }); | ||
| }); |
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