angular-cn/modules/angular2/test/router/router_spec.ts

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import {
AsyncTestCompleter,
describe,
proxy,
it,
iit,
ddescribe,
expect,
inject,
beforeEach,
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beforeEachBindings
} from 'angular2/testing_internal';
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import {SpyRouterOutlet} from './spies';
import {Type} from 'angular2/src/facade/lang';
import {Promise, PromiseWrapper, ObservableWrapper} from 'angular2/src/facade/async';
import {ListWrapper} from 'angular2/src/facade/collection';
import {Router, RootRouter} from 'angular2/src/router/router';
import {SpyLocation} from 'angular2/src/mock/location_mock';
import {Location} from 'angular2/src/router/location';
import {RouteRegistry} from 'angular2/src/router/route_registry';
import {RouteConfig, AsyncRoute, Route} from 'angular2/src/router/route_config_decorator';
import {DirectiveResolver} from 'angular2/src/core/linker/directive_resolver';
import {provide} from 'angular2/core';
export function main() {
describe('Router', () => {
var router, location;
beforeEachBindings(() => [
RouteRegistry,
DirectiveResolver,
provide(Location, {useClass: SpyLocation}),
provide(Router,
{
useFactory:
(registry, location) => { return new RootRouter(registry, location, AppCmp); },
deps: [RouteRegistry, Location]
})
]);
beforeEach(inject([Router, Location], (rtr, loc) => {
router = rtr;
location = loc;
}));
it('should navigate based on the initial URL state', inject([AsyncTestCompleter], (async) => {
var outlet = makeDummyOutlet();
router.config([new Route({path: '/', component: DummyComponent})])
.then((_) => router.registerPrimaryOutlet(outlet))
.then((_) => {
expect(outlet.spy('activate')).toHaveBeenCalled();
expect(location.urlChanges).toEqual([]);
async.done();
});
}));
it('should activate viewports and update URL on navigate',
inject([AsyncTestCompleter], (async) => {
var outlet = makeDummyOutlet();
router.registerPrimaryOutlet(outlet)
.then((_) => router.config([new Route({path: '/a', component: DummyComponent})]))
.then((_) => router.navigateByUrl('/a'))
.then((_) => {
expect(outlet.spy('activate')).toHaveBeenCalled();
expect(location.urlChanges).toEqual(['/a']);
async.done();
});
}));
it('should activate viewports and update URL when navigating via DSL',
inject([AsyncTestCompleter], (async) => {
var outlet = makeDummyOutlet();
router.registerPrimaryOutlet(outlet)
.then((_) => router.config(
[new Route({path: '/a', component: DummyComponent, name: 'A'})]))
.then((_) => router.navigate(['/A']))
.then((_) => {
expect(outlet.spy('activate')).toHaveBeenCalled();
expect(location.urlChanges).toEqual(['/a']);
async.done();
});
}));
it('should not push a history change on when navigate is called with skipUrlChange',
inject([AsyncTestCompleter], (async) => {
var outlet = makeDummyOutlet();
router.registerPrimaryOutlet(outlet)
.then((_) => router.config([new Route({path: '/b', component: DummyComponent})]))
.then((_) => router.navigateByUrl('/b', true))
.then((_) => {
expect(outlet.spy('activate')).toHaveBeenCalled();
expect(location.urlChanges).toEqual([]);
async.done();
});
}));
it('should navigate after being configured', inject([AsyncTestCompleter], (async) => {
var outlet = makeDummyOutlet();
router.registerPrimaryOutlet(outlet)
.then((_) => router.navigateByUrl('/a'))
.then((_) => {
expect(outlet.spy('activate')).not.toHaveBeenCalled();
return router.config([new Route({path: '/a', component: DummyComponent})]);
})
.then((_) => {
expect(outlet.spy('activate')).toHaveBeenCalled();
async.done();
});
}));
it('should throw when linkParams does not include a route name', () => {
expect(() => router.generate(['./']))
.toThrowError(`Link "${ListWrapper.toJSON(['./'])}" must include a route name.`);
expect(() => router.generate(['/']))
.toThrowError(`Link "${ListWrapper.toJSON(['/'])}" must include a route name.`);
});
it('should, when subscribed to, return a disposable subscription', () => {
expect(() => {
var subscription = router.subscribe((_) => {});
ObservableWrapper.dispose(subscription);
}).not.toThrow();
});
it('should generate URLs from the root component when the path starts with /', () => {
router.config(
[new Route({path: '/first/...', component: DummyParentComp, name: 'FirstCmp'})]);
var instruction = router.generate(['/FirstCmp', 'SecondCmp']);
expect(stringifyInstruction(instruction)).toEqual('first/second');
instruction = router.generate(['/FirstCmp/SecondCmp']);
expect(stringifyInstruction(instruction)).toEqual('first/second');
});
it('should generate an instruction with terminal async routes',
inject([AsyncTestCompleter], (async) => {
var outlet = makeDummyOutlet();
router.registerPrimaryOutlet(outlet);
router.config([new AsyncRoute({path: '/first', loader: loader, name: 'FirstCmp'})]);
var instruction = router.generate(['/FirstCmp']);
router.navigateByInstruction(instruction)
.then((_) => {
expect(outlet.spy('activate')).toHaveBeenCalled();
async.done();
});
}));
it('should return whether a given instruction is active with isRouteActive',
inject([AsyncTestCompleter], (async) => {
var outlet = makeDummyOutlet();
router.registerPrimaryOutlet(outlet)
.then((_) => router.config([
new Route({path: '/a', component: DummyComponent, name: 'A'}),
new Route({path: '/b', component: DummyComponent, name: 'B'})
]))
.then((_) => router.navigateByUrl('/a'))
.then((_) => {
var instruction = router.generate(['/A']);
var otherInstruction = router.generate(['/B']);
expect(router.isRouteActive(instruction)).toEqual(true);
expect(router.isRouteActive(otherInstruction)).toEqual(false);
async.done();
});
}));
describe('query string params', () => {
it('should use query string params for the root route', () => {
router.config(
[new Route({path: '/hi/how/are/you', component: DummyComponent, name: 'GreetingUrl'})]);
var instruction = router.generate(['/GreetingUrl', {'name': 'brad'}]);
var path = stringifyInstruction(instruction);
expect(path).toEqual('hi/how/are/you?name=brad');
});
it('should serialize parameters that are not part of the route definition as query string params',
() => {
router.config([
new Route({path: '/one/two/:three', component: DummyComponent, name: 'NumberUrl'})
]);
var instruction = router.generate(['/NumberUrl', {'three': 'three', 'four': 'four'}]);
var path = stringifyInstruction(instruction);
expect(path).toEqual('one/two/three?four=four');
});
});
describe('matrix params', () => {
it('should generate matrix params for each non-root component', () => {
router.config(
[new Route({path: '/first/...', component: DummyParentComp, name: 'FirstCmp'})]);
var instruction =
router.generate(['/FirstCmp', {'key': 'value'}, 'SecondCmp', {'project': 'angular'}]);
var path = stringifyInstruction(instruction);
expect(path).toEqual('first/second;project=angular?key=value');
});
it('should work with named params', () => {
router.config(
[new Route({path: '/first/:token/...', component: DummyParentComp, name: 'FirstCmp'})]);
var instruction =
router.generate(['/FirstCmp', {'token': 'min'}, 'SecondCmp', {'author': 'max'}]);
var path = stringifyInstruction(instruction);
expect(path).toEqual('first/min/second;author=max');
});
});
});
}
refactor(router): improve recognition and generation pipeline This is a big change. @matsko also deserves much of the credit for the implementation. Previously, `ComponentInstruction`s held all the state for async components. Now, we introduce several subclasses for `Instruction` to describe each type of navigation. BREAKING CHANGE: Redirects now use the Link DSL syntax. Before: ``` @RouteConfig([ { path: '/foo', redirectTo: '/bar' }, { path: '/bar', component: BarCmp } ]) ``` After: ``` @RouteConfig([ { path: '/foo', redirectTo: ['Bar'] }, { path: '/bar', component: BarCmp, name: 'Bar' } ]) ``` BREAKING CHANGE: This also introduces `useAsDefault` in the RouteConfig, which makes cases like lazy-loading and encapsulating large routes with sub-routes easier. Previously, you could use `redirectTo` like this to expand a URL like `/tab` to `/tab/posts`: @RouteConfig([ { path: '/tab', redirectTo: '/tab/users' } { path: '/tab', component: TabsCmp, name: 'Tab' } ]) AppCmp { ... } Now the recommended way to handle this is case is to use `useAsDefault` like so: ``` @RouteConfig([ { path: '/tab', component: TabsCmp, name: 'Tab' } ]) AppCmp { ... } @RouteConfig([ { path: '/posts', component: PostsCmp, useAsDefault: true, name: 'Posts' }, { path: '/users', component: UsersCmp, name: 'Users' } ]) TabsCmp { ... } ``` In the above example, you can write just `['/Tab']` and the route `Users` is automatically selected as a child route. Closes #4170 Closes #4490 Closes #4694 Closes #5200 Closes #5352
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function stringifyInstruction(instruction): string {
return instruction.toRootUrl();
}
function loader(): Promise<Type> {
return PromiseWrapper.resolve(DummyComponent);
}
class DummyComponent {}
@RouteConfig([new Route({path: '/second', component: DummyComponent, name: 'SecondCmp'})])
class DummyParentComp {
}
function makeDummyOutlet() {
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var ref = new SpyRouterOutlet();
ref.spy('canActivate').andCallFake((_) => PromiseWrapper.resolve(true));
ref.spy('canReuse').andCallFake((_) => PromiseWrapper.resolve(false));
ref.spy('canDeactivate').andCallFake((_) => PromiseWrapper.resolve(true));
ref.spy('activate').andCallFake((_) => PromiseWrapper.resolve(true));
return ref;
}
class AppCmp {}