angular-docs-cn/modules/angular2/test/router/location_spec.ts

110 lines
3.7 KiB
TypeScript

import {
AsyncTestCompleter,
describe,
proxy,
it,
iit,
ddescribe,
expect,
inject,
beforeEach,
beforeEachBindings,
SpyObject
} from 'angular2/test_lib';
import {Injector, provide} from 'angular2/core';
import {CONST_EXPR} from 'angular2/src/core/facade/lang';
import {Location, APP_BASE_HREF} from 'angular2/src/router/location';
import {LocationStrategy} from 'angular2/src/router/location_strategy';
import {MockLocationStrategy} from 'angular2/src/mock/mock_location_strategy';
export function main() {
describe('Location', () => {
var locationStrategy, location;
function makeLocation(baseHref: string = '/my/app', provider: any = CONST_EXPR([])): Location {
locationStrategy = new MockLocationStrategy();
locationStrategy.internalBaseHref = baseHref;
let injector = Injector.resolveAndCreate(
[Location, provide(LocationStrategy, {useValue: locationStrategy}), provider]);
return location = injector.get(Location);
}
beforeEach(makeLocation);
it('should normalize relative urls on navigate', () => {
location.go('user/btford');
expect(locationStrategy.path()).toEqual('/my/app/user/btford');
});
it('should not prepend urls with starting slash when an empty URL is provided',
() => { expect(location.normalizeAbsolutely('')).toEqual(locationStrategy.getBaseHref()); });
it('should not prepend path with an extra slash when a baseHref has a trailing slash', () => {
let location = makeLocation('/my/slashed/app/');
expect(location.normalizeAbsolutely('/page')).toEqual('/my/slashed/app/page');
});
it('should not append urls with leading slash on navigate', () => {
location.go('/my/app/user/btford');
expect(locationStrategy.path()).toEqual('/my/app/user/btford');
});
it('should remove index.html from base href', () => {
let location = makeLocation('/my/app/index.html');
location.go('user/btford');
expect(locationStrategy.path()).toEqual('/my/app/user/btford');
});
it('should normalize urls on popstate', inject([AsyncTestCompleter], (async) => {
locationStrategy.simulatePopState('/my/app/user/btford');
location.subscribe((ev) => {
expect(ev['url']).toEqual('/user/btford');
async.done();
})
}));
it('should normalize location path', () => {
locationStrategy.internalPath = '/my/app/user/btford';
expect(location.path()).toEqual('/user/btford');
});
it('should use optional base href param', () => {
let location = makeLocation('/', provide(APP_BASE_HREF, {useValue: '/my/custom/href'}));
location.go('user/btford');
expect(locationStrategy.path()).toEqual('/my/custom/href/user/btford');
});
it('should throw when no base href is provided', () => {
var locationStrategy = new MockLocationStrategy();
locationStrategy.internalBaseHref = null;
expect(() => new Location(locationStrategy))
.toThrowError(
`No base href set. Either provide a provider for the APP_BASE_HREF token or add a base element to the document.`);
});
it('should revert to the previous path when a back() operation is executed', () => {
var locationStrategy = new MockLocationStrategy();
var location = new Location(locationStrategy);
function assertUrl(path) { expect(location.path()).toEqual(path); }
location.go('/ready');
assertUrl('/ready');
location.go('/ready/set');
assertUrl('/ready/set');
location.go('/ready/set/go');
assertUrl('/ready/set/go');
location.back();
assertUrl('/ready/set');
location.back();
assertUrl('/ready');
});
});
}