angular-docs-cn/modules/@angular/platform-browser-dynamic/test/xhr/xhr_cache_spec.ts

82 lines
2.9 KiB
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {UrlResolver, XHR} from '@angular/compiler';
import {Component, provide} from '@angular/core';
import {beforeEach, beforeEachProviders, ddescribe, describe, iit, inject, it, xit} from '@angular/core/testing/testing_internal';
import {AsyncTestCompleter} from '@angular/core/testing/testing_internal';
import {fakeAsync, flushMicrotasks, tick,} from '@angular/core/testing';
import {TestComponentBuilder} from '@angular/compiler/testing';
import {expect} from '@angular/platform-browser/testing/matchers';
import {BaseException} from '../../src/facade/exceptions';
import {CachedXHR} from '../../src/xhr/xhr_cache';
import {setTemplateCache} from './xhr_cache_setter';
export function main() {
describe('CachedXHR', () => {
var xhr: CachedXHR;
function createCachedXHR(): CachedXHR {
setTemplateCache({'test.html': '<div>Hello</div>'});
return new CachedXHR();
}
beforeEachProviders(() => [{provide: UrlResolver, useClass: TestUrlResolver}, {
provide: XHR,
useFactory: createCachedXHR
}]);
it('should throw exception if $templateCache is not found', () => {
setTemplateCache(null);
expect(() => {
xhr = new CachedXHR();
}).toThrowError('CachedXHR: Template cache was not found in $templateCache.');
});
it('should resolve the Promise with the cached file content on success',
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
setTemplateCache({'test.html': '<div>Hello</div>'});
xhr = new CachedXHR();
xhr.get('test.html').then((text) => {
expect(text).toEqual('<div>Hello</div>');
async.done();
});
}));
it('should reject the Promise on failure',
inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
xhr = new CachedXHR();
xhr.get('unknown.html')
.then((text) => { throw new BaseException('Not expected to succeed.'); })
.catch((error) => { async.done(); });
}));
it('should allow fakeAsync Tests to load components with templateUrl synchronously',
fakeAsync(inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
let fixture = tcb.createFakeAsync(TestComponent);
// This should initialize the fixture.
tick();
expect(fixture.debugElement.children[0].nativeElement).toHaveText('Hello');
})));
});
}
@Component({selector: 'test-cmp', templateUrl: 'test.html'})
class TestComponent {
}
class TestUrlResolver extends UrlResolver {
resolve(baseUrl: string, url: string): string {
// Don't use baseUrl to get the same URL as templateUrl.
// This is to remove any difference between Dart and TS tests.
return url;
}
}