angular-cn/modules/angular2/test/router/integration/router_link_spec.ts

380 lines
14 KiB
TypeScript

import {
RootTestComponent,
AsyncTestCompleter,
beforeEach,
ddescribe,
xdescribe,
describe,
dispatchEvent,
expect,
iit,
inject,
beforeEachBindings,
it,
xit,
TestComponentBuilder,
proxy,
SpyObject
} from 'angular2/testing_internal';
import {NumberWrapper} from 'angular2/src/core/facade/lang';
import {PromiseWrapper} from 'angular2/src/core/facade/async';
import {provide, Component, DirectiveResolver, View} from 'angular2/core';
import {SpyLocation} from 'angular2/src/mock/location_mock';
import {
Location,
Router,
RouteRegistry,
RouterLink,
RouterOutlet,
AsyncRoute,
Route,
RouteParams,
RouteConfig,
ROUTER_DIRECTIVES
} from 'angular2/router';
import {RootRouter} from 'angular2/src/router/router';
import {DOM} from 'angular2/src/core/dom/dom_adapter';
export function main() {
describe('router-link directive', function() {
var tcb: TestComponentBuilder;
var rootTC: RootTestComponent;
var router, location;
beforeEachBindings(() => [
RouteRegistry,
DirectiveResolver,
provide(Location, {useClass: SpyLocation}),
provide(Router,
{
useFactory:
(registry, location) => { return new RootRouter(registry, location, MyComp); },
deps: [RouteRegistry, Location]
})
]);
beforeEach(inject([TestComponentBuilder, Router, Location], (tcBuilder, rtr, loc) => {
tcb = tcBuilder;
router = rtr;
location = loc;
}));
function compile(template: string = "<router-outlet></router-outlet>") {
return tcb.overrideView(MyComp, new View({
template: ('<div>' + template + '</div>'),
directives: [RouterOutlet, RouterLink]
}))
.createAsync(MyComp)
.then((tc) => { rootTC = tc; });
}
it('should generate absolute hrefs that include the base href',
inject([AsyncTestCompleter], (async) => {
location.setBaseHref('/my/base');
compile('<a href="hello" [router-link]="[\'./User\']"></a>')
.then((_) =>
router.config([new Route({path: '/user', component: UserCmp, as: 'User'})]))
.then((_) => router.navigateByUrl('/a/b'))
.then((_) => {
rootTC.detectChanges();
expect(getHref(rootTC)).toEqual('/my/base/user');
async.done();
});
}));
it('should generate link hrefs without params', inject([AsyncTestCompleter], (async) => {
compile('<a href="hello" [router-link]="[\'./User\']"></a>')
.then((_) =>
router.config([new Route({path: '/user', component: UserCmp, as: 'User'})]))
.then((_) => router.navigateByUrl('/a/b'))
.then((_) => {
rootTC.detectChanges();
expect(getHref(rootTC)).toEqual('/user');
async.done();
});
}));
it('should generate link hrefs with params', inject([AsyncTestCompleter], (async) => {
compile('<a href="hello" [router-link]="[\'./User\', {name: name}]">{{name}}</a>')
.then((_) => router.config(
[new Route({path: '/user/:name', component: UserCmp, as: 'User'})]))
.then((_) => router.navigateByUrl('/a/b'))
.then((_) => {
rootTC.debugElement.componentInstance.name = 'brian';
rootTC.detectChanges();
expect(rootTC.debugElement.nativeElement).toHaveText('brian');
expect(DOM.getAttribute(rootTC.debugElement.componentViewChildren[0].nativeElement,
'href'))
.toEqual('/user/brian');
async.done();
});
}));
it('should generate link hrefs from a child to its sibling',
inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => router.config(
[new Route({path: '/page/:number', component: SiblingPageCmp, as: 'Page'})]))
.then((_) => router.navigateByUrl('/page/1'))
.then((_) => {
rootTC.detectChanges();
expect(DOM.getAttribute(rootTC.debugElement.componentViewChildren[1]
.componentViewChildren[0]
.nativeElement,
'href'))
.toEqual('/page/2');
async.done();
});
}));
it('should generate link hrefs when asynchronously loaded',
inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => router.config([
new AsyncRoute({
path: '/child-with-grandchild/...',
loader: parentCmpLoader,
as: 'ChildWithGrandchild'
})
]))
.then((_) => router.navigate(['/ChildWithGrandchild']))
.then((_) => {
rootTC.detectChanges();
expect(DOM.getAttribute(rootTC.debugElement.componentViewChildren[1]
.componentViewChildren[0]
.nativeElement,
'href'))
.toEqual('/child-with-grandchild/grandchild');
async.done();
});
}));
it('should generate relative links preserving the existing parent route',
inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => router.config(
[new Route({path: '/book/:title/...', component: BookCmp, as: 'Book'})]))
.then((_) => router.navigateByUrl('/book/1984/page/1'))
.then((_) => {
rootTC.detectChanges();
expect(DOM.getAttribute(rootTC.debugElement.componentViewChildren[1]
.componentViewChildren[0]
.nativeElement,
'href'))
.toEqual('/book/1984/page/100');
expect(DOM.getAttribute(rootTC.debugElement.componentViewChildren[1]
.componentViewChildren[2]
.componentViewChildren[0]
.nativeElement,
'href'))
.toEqual('/book/1984/page/2');
async.done();
});
}));
describe('router-link-active CSS class', () => {
it('should be added to the associated element', inject([AsyncTestCompleter], (async) => {
router.config([
new Route({path: '/child', component: HelloCmp, as: 'Child'}),
new Route({path: '/better-child', component: Hello2Cmp, as: 'BetterChild'})
])
.then((_) => compile(`<a [router-link]="['./Child']" class="child-link">Child</a>
<a [router-link]="['./BetterChild']" class="better-child-link">Better Child</a>
<router-outlet></router-outlet>`))
.then((_) => {
var element = rootTC.debugElement.nativeElement;
rootTC.detectChanges();
var link1 = DOM.querySelector(element, '.child-link');
var link2 = DOM.querySelector(element, '.better-child-link');
expect(link1).not.toHaveCssClass('router-link-active');
expect(link2).not.toHaveCssClass('router-link-active');
router.subscribe((_) => {
rootTC.detectChanges();
expect(link1).not.toHaveCssClass('router-link-active');
expect(link2).toHaveCssClass('router-link-active');
async.done();
});
router.navigateByUrl('/better-child');
});
}));
it('should be added to links in child routes', inject([AsyncTestCompleter], (async) => {
router.config([
new Route({path: '/child', component: HelloCmp, as: 'Child'}),
new Route({
path: '/child-with-grandchild/...',
component: ParentCmp,
as: 'ChildWithGrandchild'
})
])
.then((_) => compile(`<a [router-link]="['./Child']" class="child-link">Child</a>
<a [router-link]="['./ChildWithGrandchild/Grandchild']" class="child-with-grandchild-link">Better Child</a>
<router-outlet></router-outlet>`))
.then((_) => {
var element = rootTC.debugElement.nativeElement;
rootTC.detectChanges();
var link1 = DOM.querySelector(element, '.child-link');
var link2 = DOM.querySelector(element, '.child-with-grandchild-link');
expect(link1).not.toHaveCssClass('router-link-active');
expect(link2).not.toHaveCssClass('router-link-active');
router.subscribe((_) => {
rootTC.detectChanges();
expect(link1).not.toHaveCssClass('router-link-active');
expect(link2).toHaveCssClass('router-link-active');
var link3 = DOM.querySelector(element, '.grandchild-link');
var link4 = DOM.querySelector(element, '.better-grandchild-link');
expect(link3).toHaveCssClass('router-link-active');
expect(link4).not.toHaveCssClass('router-link-active');
async.done();
});
router.navigateByUrl('/child-with-grandchild/grandchild');
});
}));
});
describe('when clicked', () => {
var clickOnElement = function(view) {
var anchorEl = rootTC.debugElement.componentViewChildren[0].nativeElement;
var dispatchedEvent = DOM.createMouseEvent('click');
DOM.dispatchEvent(anchorEl, dispatchedEvent);
return dispatchedEvent;
};
it('should navigate to link hrefs without params', inject([AsyncTestCompleter], (async) => {
compile('<a href="hello" [router-link]="[\'./User\']"></a>')
.then((_) => router.config(
[new Route({path: '/user', component: UserCmp, as: 'User'})]))
.then((_) => router.navigateByUrl('/a/b'))
.then((_) => {
rootTC.detectChanges();
var dispatchedEvent = clickOnElement(rootTC);
expect(DOM.isPrevented(dispatchedEvent)).toBe(true);
// router navigation is async.
router.subscribe((_) => {
expect(location.urlChanges).toEqual(['/user']);
async.done();
});
});
}));
it('should navigate to link hrefs in presence of base href',
inject([AsyncTestCompleter], (async) => {
location.setBaseHref('/base');
compile('<a href="hello" [router-link]="[\'./User\']"></a>')
.then((_) => router.config(
[new Route({path: '/user', component: UserCmp, as: 'User'})]))
.then((_) => router.navigateByUrl('/a/b'))
.then((_) => {
rootTC.detectChanges();
var dispatchedEvent = clickOnElement(rootTC);
expect(DOM.isPrevented(dispatchedEvent)).toBe(true);
// router navigation is async.
router.subscribe((_) => {
expect(location.urlChanges).toEqual(['/base/user']);
async.done();
});
});
}));
});
});
}
function getHref(tc: RootTestComponent) {
return DOM.getAttribute(tc.debugElement.componentViewChildren[0].nativeElement, 'href');
}
@Component({selector: 'my-comp'})
class MyComp {
name;
}
@Component({selector: 'user-cmp'})
@View({template: "hello {{user}}"})
class UserCmp {
user: string;
constructor(params: RouteParams) { this.user = params.get('name'); }
}
@Component({selector: 'page-cmp'})
@View({
template:
`page #{{pageNumber}} | <a href="hello" [router-link]="[\'../Page\', {number: nextPage}]">next</a>`,
directives: [RouterLink]
})
class SiblingPageCmp {
pageNumber: number;
nextPage: number;
constructor(params: RouteParams) {
this.pageNumber = NumberWrapper.parseInt(params.get('number'), 10);
this.nextPage = this.pageNumber + 1;
}
}
@Component({selector: 'hello-cmp'})
@View({template: 'hello'})
class HelloCmp {
}
@Component({selector: 'hello2-cmp'})
@View({template: 'hello2'})
class Hello2Cmp {
}
function parentCmpLoader() {
return PromiseWrapper.resolve(ParentCmp);
}
@Component({selector: 'parent-cmp'})
@View({
template: `{ <a [router-link]="['./Grandchild']" class="grandchild-link">Grandchild</a>
<a [router-link]="['./BetterGrandchild']" class="better-grandchild-link">Better Grandchild</a>
<router-outlet></router-outlet> }`,
directives: ROUTER_DIRECTIVES
})
@RouteConfig([
new Route({path: '/grandchild', component: HelloCmp, as: 'Grandchild'}),
new Route({path: '/better-grandchild', component: Hello2Cmp, as: 'BetterGrandchild'})
])
class ParentCmp {
constructor(public router: Router) {}
}
@Component({selector: 'book-cmp'})
@View({
template: `<a href="hello" [router-link]="[\'./Page\', {number: 100}]">{{title}}</a> |
<router-outlet></router-outlet>`,
directives: ROUTER_DIRECTIVES
})
@RouteConfig([new Route({path: '/page/:number', component: SiblingPageCmp, as: 'Page'})])
class BookCmp {
title: string;
constructor(params: RouteParams) { this.title = params.get('title'); }
}