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app.component.spec.ts
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app.component.spec.ts
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import { NO_ERRORS_SCHEMA } from '@angular/core';
import { async, inject, ComponentFixture, TestBed } from '@angular/core/testing';
import { Title } from '@angular/platform-browser';
import { APP_BASE_HREF } from '@angular/common';
import { Http } from '@angular/http';
import { By } from '@angular/platform-browser';
import { BehaviorSubject} from 'rxjs/BehaviorSubject';
import { of } from 'rxjs/observable/of';
import { AppComponent } from './app.component';
import { AppModule } from './app.module';
import { AutoScrollService } from 'app/shared/auto-scroll.service';
import { DocViewerComponent } from 'app/layout/doc-viewer/doc-viewer.component';
import { GaService } from 'app/shared/ga.service';
import { LocationService } from 'app/shared/location.service';
import { Logger } from 'app/shared/logger.service';
import { MockLocationService } from 'testing/location.service';
import { MockLogger } from 'testing/logger.service';
import { MockSearchService } from 'testing/search.service';
import { MockSwUpdateNotificationsService } from 'testing/sw-update-notifications.service';
import { NavigationNode } from 'app/navigation/navigation.service';
import { SearchBoxComponent } from 'app/search/search-box/search-box.component';
import { SearchResultsComponent } from 'app/search/search-results/search-results.component';
import { SearchService } from 'app/search/search.service';
import { SwUpdateNotificationsService } from 'app/sw-updates/sw-update-notifications.service';
describe('AppComponent', () => {
let component: AppComponent;
let fixture: ComponentFixture<AppComponent>;
let docViewer: HTMLElement;
let hamburger: HTMLButtonElement;
let locationService: MockLocationService;
let sidenav: HTMLElement;
beforeEach(async(() => {
createTestingModule('a/b');
TestBed.compileComponents();
}));
beforeEach(() => {
fixture = TestBed.createComponent(AppComponent);
component = fixture.componentInstance;
fixture.detectChanges();
component.onResize(1033); // wide by default
docViewer = fixture.debugElement.query(By.css('aio-doc-viewer')).nativeElement;
hamburger = fixture.debugElement.query(By.css('.hamburger')).nativeElement;
locationService = fixture.debugElement.injector.get(LocationService) as any;
sidenav = fixture.debugElement.query(By.css('md-sidenav')).nativeElement;
});
it('should create', () => {
expect(component).toBeDefined();
});
describe('ServiceWorker update notifications', () => {
it('should be enabled', () => {
const swUpdateNotifications = TestBed.get(SwUpdateNotificationsService) as SwUpdateNotificationsService;
expect(swUpdateNotifications.enable).toHaveBeenCalled();
});
});
describe('onResize', () => {
it('should update `isSideBySide` accordingly', () => {
component.onResize(1033);
expect(component.isSideBySide).toBe(true);
component.onResize(500);
expect(component.isSideBySide).toBe(false);
});
});
describe('SideNav when side-by-side (wide)', () => {
beforeEach(() => {
component.onResize(1033); // side-by-side
});
it('should open when nav to a guide page (guide/pipes)', () => {
locationService.go('guide/pipes');
fixture.detectChanges();
expect(sidenav.className).toMatch(/sidenav-open/);
});
it('should open when nav to an api page', () => {
locationService.go('api/a/b/c/d');
fixture.detectChanges();
expect(sidenav.className).toMatch(/sidenav-open/);
});
it('should be closed when nav to a marketing page (features)', () => {
locationService.go('features');
fixture.detectChanges();
expect(sidenav.className).toMatch(/sidenav-clos/);
});
describe('when manually closed', () => {
beforeEach(() => {
locationService.go('guide/pipes');
fixture.detectChanges();
hamburger.click();
fixture.detectChanges();
});
it('should be closed', () => {
expect(sidenav.className).toMatch(/sidenav-clos/);
});
it('should stay closed when nav to another guide page', () => {
locationService.go('guide/bags');
fixture.detectChanges();
expect(sidenav.className).toMatch(/sidenav-clos/);
});
it('should stay closed when nav to api page', () => {
locationService.go('api');
fixture.detectChanges();
expect(sidenav.className).toMatch(/sidenav-clos/);
});
it('should reopen when nav to market page and back to guide page', () => {
locationService.go('features');
fixture.detectChanges();
locationService.go('guide/bags');
fixture.detectChanges();
expect(sidenav.className).toMatch(/sidenav-open/);
});
});
});
describe('SideNav when NOT side-by-side (narrow)', () => {
beforeEach(() => {
component.onResize(1000); // NOT side-by-side
});
it('should be closed when nav to a guide page (guide/pipes)', () => {
locationService.go('guide/pipes');
fixture.detectChanges();
expect(sidenav.className).toMatch(/sidenav-clos/);
});
it('should be closed when nav to an api page', () => {
locationService.go('api/a/b/c/d');
fixture.detectChanges();
expect(sidenav.className).toMatch(/sidenav-clos/);
});
it('should be closed when nav to a marketing page (features)', () => {
locationService.go('features');
fixture.detectChanges();
expect(sidenav.className).toMatch(/sidenav-clos/);
});
describe('when manually opened', () => {
beforeEach(() => {
locationService.go('guide/pipes');
fixture.detectChanges();
hamburger.click();
fixture.detectChanges();
});
it('should be open', () => {
expect(sidenav.className).toMatch(/sidenav-open/);
});
it('should close when click in gray content area overlay', () => {
const sidenavBackdrop = fixture.debugElement.query(By.css('.mat-sidenav-backdrop')).nativeElement;
sidenavBackdrop.click();
fixture.detectChanges();
expect(sidenav.className).toMatch(/sidenav-clos/);
});
it('should stay open when nav to another guide page', () => {
locationService.go('guide/bags');
fixture.detectChanges();
expect(sidenav.className).toMatch(/sidenav-open/);
});
it('should stay open when nav to api page', () => {
locationService.go('api');
fixture.detectChanges();
expect(sidenav.className).toMatch(/sidenav-open/);
});
it('should close again when nav to market page', () => {
locationService.go('features');
fixture.detectChanges();
expect(sidenav.className).toMatch(/sidenav-clos/);
});
});
});
describe('SideNav version selector', () => {
beforeEach(() => {
component.onResize(1033); // side-by-side
});
it('should pick first (current) version by default', () => {
const versionSelector = sidenav.querySelector('select');
expect(versionSelector.value).toEqual(TestHttp.docVersions[0].title);
expect(versionSelector.selectedIndex).toEqual(0);
});
// Older docs versions have an href
it('should navigate when change to a version with an href', () => {
component.onDocVersionChange(1);
expect(locationService.go).toHaveBeenCalledWith(TestHttp.docVersions[1].url);
});
// The current docs version should not have an href
// This may change when we perfect our docs versioning approach
it('should not navigate when change to a version without an href', () => {
component.onDocVersionChange(0);
expect(locationService.go).not.toHaveBeenCalled();
});
});
describe('pageId', () => {
it('should set the id of the doc viewer container based on the current doc', () => {
const container = fixture.debugElement.query(By.css('section.sidenav-content'));
locationService.go('guide/pipes');
fixture.detectChanges();
expect(component.pageId).toEqual('guide-pipes');
expect(container.properties['id']).toEqual('guide-pipes');
locationService.go('news');
fixture.detectChanges();
expect(component.pageId).toEqual('news');
expect(container.properties['id']).toEqual('news');
locationService.go('');
fixture.detectChanges();
expect(component.pageId).toEqual('home');
expect(container.properties['id']).toEqual('home');
});
it('should not be affected by changes to the query', () => {
const container = fixture.debugElement.query(By.css('section.sidenav-content'));
locationService.go('guide/pipes');
fixture.detectChanges();
locationService.go('guide/other?search=http');
fixture.detectChanges();
expect(component.pageId).toEqual('guide-other');
expect(container.properties['id']).toEqual('guide-other');
});
});
describe('currentDocument', () => {
it('should display a guide page (guide/pipes)', () => {
locationService.go('guide/pipes');
fixture.detectChanges();
expect(docViewer.innerText).toMatch(/Pipes/i);
});
it('should display the api page', () => {
locationService.go('api');
fixture.detectChanges();
expect(docViewer.innerText).toMatch(/API/i);
});
it('should display a marketing page', () => {
locationService.go('features');
fixture.detectChanges();
expect(docViewer.innerText).toMatch(/Features/i);
});
const marketingClassName = 'marketing';
it('should not have marketing CSS class on host element for a guide page (guide/pipes)', () => {
locationService.go('guide/pipes');
fixture.detectChanges();
const classes: string[] = fixture.nativeElement.className;
expect(classes).not.toContain(marketingClassName);
});
it('should have marketing CSS class on host element for a marketing page', () => {
locationService.go('features');
fixture.detectChanges();
const classes: string[] = fixture.nativeElement.className;
expect(classes).toContain(marketingClassName);
});
it('should update the document title', () => {
const titleService = TestBed.get(Title);
spyOn(titleService, 'setTitle');
locationService.go('guide/pipes');
fixture.detectChanges();
expect(titleService.setTitle).toHaveBeenCalledWith('Angular - Pipes');
});
it('should update the document title, with a default value if the document has no title', () => {
const titleService = TestBed.get(Title);
spyOn(titleService, 'setTitle');
locationService.go('no-title');
fixture.detectChanges();
expect(titleService.setTitle).toHaveBeenCalledWith('Angular');
});
});
describe('autoScrolling with AutoScrollService', () => {
let scrollService: AutoScrollService;
let scrollSpy: jasmine.Spy;
beforeEach(() => {
scrollService = fixture.debugElement.injector.get(AutoScrollService);
scrollSpy = spyOn(scrollService, 'scroll');
});
it('should not scroll immediately when the docId (path) changes', () => {
locationService.go('guide/pipes');
// deliberately not calling `fixture.detectChanges` because don't want `onDocRendered`
expect(scrollSpy).not.toHaveBeenCalled();
});
it('should scroll when just the hash changes (# alone)', () => {
locationService.go('guide/pipes');
locationService.go('guide/pipes#somewhere');
expect(scrollSpy).toHaveBeenCalled();
});
it('should scroll when just the hash changes (/#)', () => {
locationService.go('guide/pipes');
locationService.go('guide/pipes/#somewhere');
expect(scrollSpy).toHaveBeenCalled();
});
it('should scroll again when nav to the same hash twice in succession', () => {
locationService.go('guide/pipes');
locationService.go('guide/pipes#somewhere');
locationService.go('guide/pipes#somewhere');
expect(scrollSpy.calls.count()).toBe(2);
});
it('should scroll when call onDocRendered directly', () => {
component.onDocRendered();
expect(scrollSpy).toHaveBeenCalled();
});
it('should scroll (via onDocRendered) when finish navigating to a new doc', () => {
locationService.go('guide/pipes');
fixture.detectChanges(); // triggers the event that calls onDocRendered
expect(scrollSpy).toHaveBeenCalled();
});
});
describe('search worker', () => {
it('should initialize the search worker', inject([SearchService], (searchService: SearchService) => {
fixture.detectChanges(); // triggers ngOnInit
expect(searchService.initWorker).toHaveBeenCalled();
expect(searchService.loadIndex).toHaveBeenCalled();
}));
});
describe('initial rendering', () => {
beforeEach(async(() => {
createTestingModule('a/b');
// Remove the DocViewer for this test and hide the missing component message
TestBed.overrideModule(AppModule, {
remove: { declarations: [DocViewerComponent] },
add: { schemas: [NO_ERRORS_SCHEMA] }
});
TestBed.compileComponents();
}));
it('should initially add the starting class until the first document is rendered', () => {
fixture = TestBed.createComponent(AppComponent);
fixture.detectChanges();
expect(fixture.componentInstance.isStarting).toBe(true);
expect(fixture.debugElement.query(By.css('md-sidenav-container')).classes['starting']).toBe(true);
fixture.debugElement.query(By.css('aio-doc-viewer')).triggerEventHandler('docRendered', {});
fixture.detectChanges();
expect(fixture.componentInstance.isStarting).toBe(false);
expect(fixture.debugElement.query(By.css('md-sidenav-container')).classes['starting']).toBe(false);
});
});
describe('click intercepting', () => {
it('should intercept clicks on anchors and call `location.handleAnchorClick()`',
inject([LocationService], (location: LocationService) => {
const el = fixture.nativeElement as Element;
el.innerHTML = '<a href="some/local/url">click me</a>';
const anchorElement = el.getElementsByTagName('a')[0];
anchorElement.click();
expect(location.handleAnchorClick).toHaveBeenCalledWith(anchorElement, 0, false, false);
}));
it('should intercept clicks on elements deep within an anchor tag',
inject([LocationService], (location: LocationService) => {
const el = fixture.nativeElement as Element;
el.innerHTML = '<a href="some/local/url"><div><img></div></a>';
const imageElement = el.getElementsByTagName('img')[0];
const anchorElement = el.getElementsByTagName('a')[0];
imageElement.click();
expect(location.handleAnchorClick).toHaveBeenCalledWith(anchorElement, 0, false, false);
}));
it('should ignore clicks on elements without an anchor ancestor',
inject([LocationService], (location: LocationService) => {
const el = fixture.nativeElement as Element;
el.innerHTML = '<div><p><div><img></div></p></div>';
const imageElement = el.getElementsByTagName('img')[0];
imageElement.click();
expect(location.handleAnchorClick).not.toHaveBeenCalled();
}));
it('should intercept clicks not on the search elements and hide the search results', () => {
const searchResults: SearchResultsComponent = fixture.debugElement.query(By.directive(SearchResultsComponent)).componentInstance;
spyOn(searchResults, 'hideResults');
// docViewer is a commonly-clicked, non-search element
docViewer.click();
expect(searchResults.hideResults).toHaveBeenCalled();
});
it('should not intercept clicks on any of the search elements', () => {
const searchResults = fixture.debugElement.query(By.directive(SearchResultsComponent));
const searchResultsComponent: SearchResultsComponent = searchResults.componentInstance;
const searchBox = fixture.debugElement.query(By.directive(SearchBoxComponent));
spyOn(searchResultsComponent, 'hideResults');
searchResults.nativeElement.click();
expect(searchResultsComponent.hideResults).not.toHaveBeenCalled();
searchBox.nativeElement.click();
expect(searchResultsComponent.hideResults).not.toHaveBeenCalled();
});
});
describe('footer', () => {
it('should have version number', () => {
const versionEl: HTMLElement = fixture.debugElement.query(By.css('aio-footer')).nativeElement;
expect(versionEl.innerText).toContain(TestHttp.versionFull);
});
});
});
//// test helpers ////
function createTestingModule(initialUrl: string) {
TestBed.resetTestingModule();
TestBed.configureTestingModule({
imports: [ AppModule ],
providers: [
{ provide: APP_BASE_HREF, useValue: '/' },
{ provide: GaService, useClass: TestGaService },
{ provide: Http, useClass: TestHttp },
{ provide: LocationService, useFactory: () => new MockLocationService(initialUrl) },
{ provide: Logger, useClass: MockLogger },
{ provide: SearchService, useClass: MockSearchService },
{ provide: SwUpdateNotificationsService, useClass: MockSwUpdateNotificationsService },
]
});
}
class TestGaService {
locationChanged = jasmine.createSpy('locationChanged');
}
class TestSearchService {
initWorker = jasmine.createSpy('initWorker');
loadIndex = jasmine.createSpy('loadIndex');
}
class TestHttp {
static versionFull = '4.0.0-local+sha.73808dd';
static docVersions: NavigationNode[] = [
{ title: 'v4.0.0' },
{ title: 'v2', url: 'https://v2.angular.io' }
];
// tslint:disable:quotemark
navJson = {
"TopBar": [
{
"url": "features",
"title": "Features"
},
{
"url": "no-title",
"title": "No Title"
},
],
"SideNav": [
{
"title": "Core",
"tooltip": "Learn the core capabilities of Angular",
"children": [
{
"url": "guide/pipes",
"title": "Pipes",
"tooltip": "Pipes transform displayed values within a template."
},
{
"url": "guide/bags",
"title": "Bags",
"tooltip": "Pack your bags for a code adventure."
}
]
},
{
"url": "api",
"title": "API",
"tooltip": "Details of the Angular classes and values."
}
],
"docVersions": TestHttp.docVersions,
"__versionInfo": {
"raw": "4.0.0-rc.6",
"major": 4,
"minor": 0,
"patch": 0,
"prerelease": [
"local"
],
"build": "sha.73808dd",
"version": "4.0.0-local",
"codeName": "snapshot",
"isSnapshot": true,
"full": TestHttp.versionFull,
"branch": "master",
"commitSHA": "73808dd38b5ccd729404936834d1568bd066de81"
}
};
get(url: string) {
let data;
if (/navigation\.json/.test(url)) {
data = this.navJson;
} else {
const match = /content\/docs\/(.+)\.json/.exec(url);
const id = match[1];
// Make up a title for test purposes
const title = id.split('/').pop().replace(/^([a-z])/, (_, letter) => letter.toUpperCase());
const h1 = (id === 'no-title') ? '' : `<h1>${title}</h1>`;
const contents = `${h1}<h2 id="#somewhere">Some heading</h2>`;
data = { id, contents };
}
return of({ json: () => data });
}
}