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

594 lines
22 KiB
TypeScript

import {
RootTestComponent,
AsyncTestCompleter,
TestComponentBuilder,
beforeEach,
ddescribe,
xdescribe,
describe,
el,
expect,
iit,
inject,
beforeEachBindings,
it,
xit
} from 'angular2/testing_internal';
import {provide, Component, Injector, Inject, View} from 'angular2/core';
import {isPresent} from 'angular2/src/core/facade/lang';
import {
Promise,
PromiseWrapper,
PromiseCompleter,
EventEmitter,
ObservableWrapper
} from 'angular2/src/core/facade/async';
import {RootRouter} from 'angular2/src/router/router';
import {Router, RouterOutlet, RouterLink, RouteParams} from 'angular2/router';
import {
RouteConfig,
Route,
AuxRoute,
AsyncRoute,
Redirect
} from 'angular2/src/router/route_config_decorator';
import {SpyLocation} from 'angular2/src/mock/location_mock';
import {Location} from 'angular2/src/router/location';
import {RouteRegistry} from 'angular2/src/router/route_registry';
import {
OnActivate,
OnDeactivate,
OnReuse,
CanDeactivate,
CanReuse
} from 'angular2/src/router/interfaces';
import {CanActivate} from 'angular2/src/router/lifecycle_annotations';
import {ComponentInstruction} from 'angular2/src/router/instruction';
import {DirectiveResolver} from 'angular2/src/core/linker/directive_resolver';
var cmpInstanceCount;
var log: string[];
var eventBus: EventEmitter<any>;
var completer: PromiseCompleter<any>;
export function main() {
describe('Router lifecycle hooks', () => {
var tcb: TestComponentBuilder;
var rootTC: RootTestComponent;
var rtr;
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], (tcBuilder, router) => {
tcb = tcBuilder;
rtr = router;
cmpInstanceCount = 0;
log = [];
eventBus = new EventEmitter();
}));
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 call the onActivate hook', inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
.then((_) => rtr.navigateByUrl('/on-activate'))
.then((_) => {
rootTC.detectChanges();
expect(rootTC.debugElement.nativeElement).toHaveText('activate cmp');
expect(log).toEqual(['activate: null -> /on-activate']);
async.done();
});
}));
it('should wait for a parent component\'s onActivate hook to resolve before calling its child\'s',
inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
.then((_) => {
ObservableWrapper.subscribe<string>(eventBus, (ev) => {
if (ev.startsWith('parent activate')) {
completer.resolve(true);
}
});
rtr.navigateByUrl('/parent-activate/child-activate')
.then((_) => {
rootTC.detectChanges();
expect(rootTC.debugElement.nativeElement).toHaveText('parent {activate cmp}');
expect(log).toEqual([
'parent activate: null -> /parent-activate',
'activate: null -> /child-activate'
]);
async.done();
});
});
}));
it('should call the onDeactivate hook', inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
.then((_) => rtr.navigateByUrl('/on-deactivate'))
.then((_) => rtr.navigateByUrl('/a'))
.then((_) => {
rootTC.detectChanges();
expect(rootTC.debugElement.nativeElement).toHaveText('A');
expect(log).toEqual(['deactivate: /on-deactivate -> /a']);
async.done();
});
}));
it('should wait for a child component\'s onDeactivate hook to resolve before calling its parent\'s',
inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
.then((_) => rtr.navigateByUrl('/parent-deactivate/child-deactivate'))
.then((_) => {
ObservableWrapper.subscribe<string>(eventBus, (ev) => {
if (ev.startsWith('deactivate')) {
completer.resolve(true);
rootTC.detectChanges();
expect(rootTC.debugElement.nativeElement).toHaveText('parent {deactivate cmp}');
}
});
rtr.navigateByUrl('/a').then((_) => {
rootTC.detectChanges();
expect(rootTC.debugElement.nativeElement).toHaveText('A');
expect(log).toEqual([
'deactivate: /child-deactivate -> null',
'parent deactivate: /parent-deactivate -> /a'
]);
async.done();
});
});
}));
it('should reuse a component when the canReuse hook returns true',
inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
.then((_) => rtr.navigateByUrl('/on-reuse/1/a'))
.then((_) => {
rootTC.detectChanges();
expect(log).toEqual([]);
expect(rootTC.debugElement.nativeElement).toHaveText('reuse {A}');
expect(cmpInstanceCount).toBe(1);
})
.then((_) => rtr.navigateByUrl('/on-reuse/2/b'))
.then((_) => {
rootTC.detectChanges();
expect(log).toEqual(['reuse: /on-reuse/1 -> /on-reuse/2']);
expect(rootTC.debugElement.nativeElement).toHaveText('reuse {B}');
expect(cmpInstanceCount).toBe(1);
async.done();
});
}));
it('should not reuse a component when the canReuse hook returns false',
inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
.then((_) => rtr.navigateByUrl('/never-reuse/1/a'))
.then((_) => {
rootTC.detectChanges();
expect(log).toEqual([]);
expect(rootTC.debugElement.nativeElement).toHaveText('reuse {A}');
expect(cmpInstanceCount).toBe(1);
})
.then((_) => rtr.navigateByUrl('/never-reuse/2/b'))
.then((_) => {
rootTC.detectChanges();
expect(log).toEqual([]);
expect(rootTC.debugElement.nativeElement).toHaveText('reuse {B}');
expect(cmpInstanceCount).toBe(2);
async.done();
});
}));
it('should navigate when canActivate returns true', inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
.then((_) => {
ObservableWrapper.subscribe<string>(eventBus, (ev) => {
if (ev.startsWith('canActivate')) {
completer.resolve(true);
}
});
rtr.navigateByUrl('/can-activate/a')
.then((_) => {
rootTC.detectChanges();
expect(rootTC.debugElement.nativeElement).toHaveText('canActivate {A}');
expect(log).toEqual(['canActivate: null -> /can-activate']);
async.done();
});
});
}));
it('should not navigate when canActivate returns false',
inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
.then((_) => {
ObservableWrapper.subscribe<string>(eventBus, (ev) => {
if (ev.startsWith('canActivate')) {
completer.resolve(false);
}
});
rtr.navigateByUrl('/can-activate/a')
.then((_) => {
rootTC.detectChanges();
expect(rootTC.debugElement.nativeElement).toHaveText('');
expect(log).toEqual(['canActivate: null -> /can-activate']);
async.done();
});
});
}));
it('should navigate away when canDeactivate returns true',
inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
.then((_) => rtr.navigateByUrl('/can-deactivate/a'))
.then((_) => {
rootTC.detectChanges();
expect(rootTC.debugElement.nativeElement).toHaveText('canDeactivate {A}');
expect(log).toEqual([]);
ObservableWrapper.subscribe<string>(eventBus, (ev) => {
if (ev.startsWith('canDeactivate')) {
completer.resolve(true);
}
});
rtr.navigateByUrl('/a').then((_) => {
rootTC.detectChanges();
expect(rootTC.debugElement.nativeElement).toHaveText('A');
expect(log).toEqual(['canDeactivate: /can-deactivate -> /a']);
async.done();
});
});
}));
it('should not navigate away when canDeactivate returns false',
inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
.then((_) => rtr.navigateByUrl('/can-deactivate/a'))
.then((_) => {
rootTC.detectChanges();
expect(rootTC.debugElement.nativeElement).toHaveText('canDeactivate {A}');
expect(log).toEqual([]);
ObservableWrapper.subscribe<string>(eventBus, (ev) => {
if (ev.startsWith('canDeactivate')) {
completer.resolve(false);
}
});
rtr.navigateByUrl('/a').then((_) => {
rootTC.detectChanges();
expect(rootTC.debugElement.nativeElement).toHaveText('canDeactivate {A}');
expect(log).toEqual(['canDeactivate: /can-deactivate -> /a']);
async.done();
});
});
}));
it('should run activation and deactivation hooks in the correct order',
inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
.then((_) => rtr.navigateByUrl('/activation-hooks/child'))
.then((_) => {
expect(log).toEqual([
'canActivate child: null -> /child',
'canActivate parent: null -> /activation-hooks',
'onActivate parent: null -> /activation-hooks',
'onActivate child: null -> /child'
]);
log = [];
return rtr.navigateByUrl('/a');
})
.then((_) => {
expect(log).toEqual([
'canDeactivate parent: /activation-hooks -> /a',
'canDeactivate child: /child -> null',
'onDeactivate child: /child -> null',
'onDeactivate parent: /activation-hooks -> /a'
]);
async.done();
});
}));
it('should only run reuse hooks when reusing', inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
.then((_) => rtr.navigateByUrl('/reuse-hooks/1'))
.then((_) => {
expect(log).toEqual(
['canActivate: null -> /reuse-hooks/1', 'onActivate: null -> /reuse-hooks/1']);
ObservableWrapper.subscribe<string>(eventBus, (ev) => {
if (ev.startsWith('canReuse')) {
completer.resolve(true);
}
});
log = [];
return rtr.navigateByUrl('/reuse-hooks/2');
})
.then((_) => {
expect(log).toEqual([
'canReuse: /reuse-hooks/1 -> /reuse-hooks/2',
'onReuse: /reuse-hooks/1 -> /reuse-hooks/2'
]);
async.done();
});
}));
it('should not run reuse hooks when not reusing', inject([AsyncTestCompleter], (async) => {
compile()
.then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
.then((_) => rtr.navigateByUrl('/reuse-hooks/1'))
.then((_) => {
expect(log).toEqual(
['canActivate: null -> /reuse-hooks/1', 'onActivate: null -> /reuse-hooks/1']);
ObservableWrapper.subscribe<string>(eventBus, (ev) => {
if (ev.startsWith('canReuse')) {
completer.resolve(false);
}
});
log = [];
return rtr.navigateByUrl('/reuse-hooks/2');
})
.then((_) => {
expect(log).toEqual([
'canReuse: /reuse-hooks/1 -> /reuse-hooks/2',
'canActivate: /reuse-hooks/1 -> /reuse-hooks/2',
'canDeactivate: /reuse-hooks/1 -> /reuse-hooks/2',
'onDeactivate: /reuse-hooks/1 -> /reuse-hooks/2',
'onActivate: /reuse-hooks/1 -> /reuse-hooks/2'
]);
async.done();
});
}));
});
}
@Component({selector: 'a-cmp'})
@View({template: "A"})
class A {
}
@Component({selector: 'b-cmp'})
@View({template: "B"})
class B {
}
@Component({selector: 'my-comp'})
class MyComp {
name;
}
function logHook(name: string, next: ComponentInstruction, prev: ComponentInstruction) {
var message = name + ': ' + (isPresent(prev) ? ('/' + prev.urlPath) : 'null') + ' -> ' +
(isPresent(next) ? ('/' + next.urlPath) : 'null');
log.push(message);
ObservableWrapper.callNext(eventBus, message);
}
@Component({selector: 'activate-cmp'})
@View({template: 'activate cmp'})
class ActivateCmp implements OnActivate {
onActivate(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('activate', next, prev);
}
}
@Component({selector: 'parent-activate-cmp'})
@View({template: `parent {<router-outlet></router-outlet>}`, directives: [RouterOutlet]})
@RouteConfig([new Route({path: '/child-activate', component: ActivateCmp})])
class ParentActivateCmp implements OnActivate {
onActivate(next: ComponentInstruction, prev: ComponentInstruction): Promise<any> {
completer = PromiseWrapper.completer();
logHook('parent activate', next, prev);
return completer.promise;
}
}
@Component({selector: 'deactivate-cmp'})
@View({template: 'deactivate cmp'})
class DeactivateCmp implements OnDeactivate {
onDeactivate(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('deactivate', next, prev);
}
}
@Component({selector: 'deactivate-cmp'})
@View({template: 'deactivate cmp'})
class WaitDeactivateCmp implements OnDeactivate {
onDeactivate(next: ComponentInstruction, prev: ComponentInstruction): Promise<any> {
completer = PromiseWrapper.completer();
logHook('deactivate', next, prev);
return completer.promise;
}
}
@Component({selector: 'parent-deactivate-cmp'})
@View({template: `parent {<router-outlet></router-outlet>}`, directives: [RouterOutlet]})
@RouteConfig([new Route({path: '/child-deactivate', component: WaitDeactivateCmp})])
class ParentDeactivateCmp implements OnDeactivate {
onDeactivate(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('parent deactivate', next, prev);
}
}
@Component({selector: 'reuse-cmp'})
@View({template: `reuse {<router-outlet></router-outlet>}`, directives: [RouterOutlet]})
@RouteConfig([new Route({path: '/a', component: A}), new Route({path: '/b', component: B})])
class ReuseCmp implements OnReuse, CanReuse {
constructor() { cmpInstanceCount += 1; }
canReuse(next: ComponentInstruction, prev: ComponentInstruction) { return true; }
onReuse(next: ComponentInstruction, prev: ComponentInstruction) { logHook('reuse', next, prev); }
}
@Component({selector: 'never-reuse-cmp'})
@View({template: `reuse {<router-outlet></router-outlet>}`, directives: [RouterOutlet]})
@RouteConfig([new Route({path: '/a', component: A}), new Route({path: '/b', component: B})])
class NeverReuseCmp implements OnReuse, CanReuse {
constructor() { cmpInstanceCount += 1; }
canReuse(next: ComponentInstruction, prev: ComponentInstruction) { return false; }
onReuse(next: ComponentInstruction, prev: ComponentInstruction) { logHook('reuse', next, prev); }
}
@Component({selector: 'can-activate-cmp'})
@View({template: `canActivate {<router-outlet></router-outlet>}`, directives: [RouterOutlet]})
@RouteConfig([new Route({path: '/a', component: A}), new Route({path: '/b', component: B})])
@CanActivate(CanActivateCmp.canActivate)
class CanActivateCmp {
static canActivate(next: ComponentInstruction, prev: ComponentInstruction): Promise<boolean> {
completer = PromiseWrapper.completer();
logHook('canActivate', next, prev);
return completer.promise;
}
}
@Component({selector: 'can-deactivate-cmp'})
@View({template: `canDeactivate {<router-outlet></router-outlet>}`, directives: [RouterOutlet]})
@RouteConfig([new Route({path: '/a', component: A}), new Route({path: '/b', component: B})])
class CanDeactivateCmp implements CanDeactivate {
canDeactivate(next: ComponentInstruction, prev: ComponentInstruction): Promise<boolean> {
completer = PromiseWrapper.completer();
logHook('canDeactivate', next, prev);
return completer.promise;
}
}
@Component({selector: 'all-hooks-child-cmp'})
@View({template: `child`})
@CanActivate(AllHooksChildCmp.canActivate)
class AllHooksChildCmp implements CanDeactivate, OnDeactivate, OnActivate {
canDeactivate(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('canDeactivate child', next, prev);
return true;
}
onDeactivate(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('onDeactivate child', next, prev);
}
static canActivate(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('canActivate child', next, prev);
return true;
}
onActivate(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('onActivate child', next, prev);
}
}
@Component({selector: 'all-hooks-parent-cmp'})
@View({template: `<router-outlet></router-outlet>`, directives: [RouterOutlet]})
@RouteConfig([new Route({path: '/child', component: AllHooksChildCmp})])
@CanActivate(AllHooksParentCmp.canActivate)
class AllHooksParentCmp implements CanDeactivate, OnDeactivate, OnActivate {
canDeactivate(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('canDeactivate parent', next, prev);
return true;
}
onDeactivate(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('onDeactivate parent', next, prev);
}
static canActivate(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('canActivate parent', next, prev);
return true;
}
onActivate(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('onActivate parent', next, prev);
}
}
@Component({selector: 'reuse-hooks-cmp'})
@View({template: 'reuse hooks cmp'})
@CanActivate(ReuseHooksCmp.canActivate)
class ReuseHooksCmp implements OnActivate, OnReuse, OnDeactivate, CanReuse, CanDeactivate {
canReuse(next: ComponentInstruction, prev: ComponentInstruction): Promise<any> {
completer = PromiseWrapper.completer();
logHook('canReuse', next, prev);
return completer.promise;
}
onReuse(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('onReuse', next, prev);
}
canDeactivate(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('canDeactivate', next, prev);
return true;
}
onDeactivate(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('onDeactivate', next, prev);
}
static canActivate(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('canActivate', next, prev);
return true;
}
onActivate(next: ComponentInstruction, prev: ComponentInstruction) {
logHook('onActivate', next, prev);
}
}
@Component({selector: 'lifecycle-cmp'})
@View({template: `<router-outlet></router-outlet>`, directives: [RouterOutlet]})
@RouteConfig([
new Route({path: '/a', component: A}),
new Route({path: '/on-activate', component: ActivateCmp}),
new Route({path: '/parent-activate/...', component: ParentActivateCmp}),
new Route({path: '/on-deactivate', component: DeactivateCmp}),
new Route({path: '/parent-deactivate/...', component: ParentDeactivateCmp}),
new Route({path: '/on-reuse/:number/...', component: ReuseCmp}),
new Route({path: '/never-reuse/:number/...', component: NeverReuseCmp}),
new Route({path: '/can-activate/...', component: CanActivateCmp}),
new Route({path: '/can-deactivate/...', component: CanDeactivateCmp}),
new Route({path: '/activation-hooks/...', component: AllHooksParentCmp}),
new Route({path: '/reuse-hooks/:number', component: ReuseHooksCmp})
])
class LifecycleCmp {
}