125 lines
4.2 KiB
TypeScript
125 lines
4.2 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {MockResourceLoader} from '@angular/compiler/testing/src/resource_loader_mock';
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import {AsyncTestCompleter, beforeEach, describe, expect, inject, it} from '@angular/core/testing/src/testing_internal';
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{
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describe('MockResourceLoader', () => {
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let resourceLoader: MockResourceLoader;
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beforeEach(() => {
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resourceLoader = new MockResourceLoader();
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});
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function expectResponse(
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request: Promise<string>, url: string, response: string, done: () => void = null!) {
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function onResponse(text: string): string {
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if (response === null) {
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throw `Unexpected response ${url} -> ${text}`;
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} else {
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expect(text).toEqual(response);
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if (done != null) done();
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}
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return text;
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}
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function onError(error: string): string {
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if (response !== null) {
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throw `Unexpected error ${url}`;
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} else {
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expect(error).toEqual(`Failed to load ${url}`);
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if (done != null) done();
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}
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return error;
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}
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request.then(onResponse, onError);
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}
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it('should return a response from the definitions',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const url = '/foo';
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const response = 'bar';
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resourceLoader.when(url, response);
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expectResponse(resourceLoader.get(url), url, response, () => async.done());
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resourceLoader.flush();
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}));
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it('should return an error from the definitions',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const url = '/foo';
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const response: string = null!;
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resourceLoader.when(url, response);
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expectResponse(resourceLoader.get(url), url, response, () => async.done());
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resourceLoader.flush();
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}));
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it('should return a response from the expectations',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const url = '/foo';
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const response = 'bar';
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resourceLoader.expect(url, response);
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expectResponse(resourceLoader.get(url), url, response, () => async.done());
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resourceLoader.flush();
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}));
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it('should return an error from the expectations',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const url = '/foo';
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const response: string = null!;
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resourceLoader.expect(url, response);
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expectResponse(resourceLoader.get(url), url, response, () => async.done());
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resourceLoader.flush();
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}));
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it('should not reuse expectations', () => {
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const url = '/foo';
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const response = 'bar';
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resourceLoader.expect(url, response);
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resourceLoader.get(url);
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resourceLoader.get(url);
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expect(() => {
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resourceLoader.flush();
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}).toThrowError('Unexpected request /foo');
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});
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it('should return expectations before definitions',
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inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
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const url = '/foo';
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resourceLoader.when(url, 'when');
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resourceLoader.expect(url, 'expect');
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expectResponse(resourceLoader.get(url), url, 'expect');
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expectResponse(resourceLoader.get(url), url, 'when', () => async.done());
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resourceLoader.flush();
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}));
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it('should throw when there is no definitions or expectations', () => {
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resourceLoader.get('/foo');
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expect(() => {
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resourceLoader.flush();
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}).toThrowError('Unexpected request /foo');
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});
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it('should throw when flush is called without any pending requests', () => {
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expect(() => {
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resourceLoader.flush();
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}).toThrowError('No pending requests to flush');
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});
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it('should throw on unsatisfied expectations', () => {
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resourceLoader.expect('/foo', 'bar');
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resourceLoader.when('/bar', 'foo');
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resourceLoader.get('/bar');
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expect(() => {
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resourceLoader.flush();
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}).toThrowError('Unsatisfied requests: /foo');
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});
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});
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}
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