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909b21aa29
handler Cancel pending json handler by adopting its <script> element into another document (https://html.spec.whatwg.org/multipage/scripting.html#execute-the-script-block) This way the browser will prevent the script from being parsed and executed. Fixes #34818 PR Close #36807
97 lines
3.5 KiB
TypeScript
97 lines
3.5 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC All Rights Reserved.sonpCallbackContext
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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 {JSONP_ERR_NO_CALLBACK, JSONP_ERR_WRONG_METHOD, JSONP_ERR_WRONG_RESPONSE_TYPE, JsonpClientBackend} from '@angular/common/http/src/jsonp';
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import {HttpRequest} from '@angular/common/http/src/request';
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import {HttpErrorResponse, HttpEventType} from '@angular/common/http/src/response';
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import {toArray} from 'rxjs/operators';
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import {MockDocument} from './jsonp_mock';
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function runOnlyCallback(home: any, data: Object) {
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const keys = Object.keys(home);
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expect(keys.length).toBe(1);
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const callback = home[keys[0]];
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callback(data);
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}
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const SAMPLE_REQ = new HttpRequest<never>('JSONP', '/test');
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{
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describe('JsonpClientBackend', () => {
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let home: any;
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let document: MockDocument;
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let backend: JsonpClientBackend;
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beforeEach(() => {
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home = {};
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document = new MockDocument();
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backend = new JsonpClientBackend(home, document);
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});
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it('handles a basic request', done => {
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backend.handle(SAMPLE_REQ).pipe(toArray()).subscribe(events => {
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expect(events.map(event => event.type)).toEqual([
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HttpEventType.Sent,
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HttpEventType.Response,
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]);
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done();
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});
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runOnlyCallback(home, {data: 'This is a test'});
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document.mockLoad();
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});
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// Issue #39496
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it('handles a request with callback call wrapped in promise', done => {
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backend.handle(SAMPLE_REQ).subscribe(() => {
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done();
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});
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Promise.resolve().then(() => {
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runOnlyCallback(home, {data: 'This is a test'});
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});
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document.mockLoad();
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});
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it('handles an error response properly', done => {
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const error = new Error('This is a test error');
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backend.handle(SAMPLE_REQ).pipe(toArray()).subscribe(undefined, (err: HttpErrorResponse) => {
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expect(err.status).toBe(0);
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expect(err.error).toBe(error);
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done();
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});
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document.mockError(error);
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});
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it('prevents the script from executing when the request is cancelled', () => {
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const sub = backend.handle(SAMPLE_REQ).subscribe();
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expect(Object.keys(home).length).toBe(1);
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const keys = Object.keys(home);
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const spy = jasmine.createSpy('spy', home[keys[0]]);
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sub.unsubscribe();
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document.mockLoad();
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expect(Object.keys(home).length).toBe(0);
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expect(spy).not.toHaveBeenCalled();
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// The script element should have been transferred to a different document to prevent it from
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// executing.
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expect(document.mock!.ownerDocument).not.toEqual(document);
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});
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describe('throws an error', () => {
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it('when request method is not JSONP',
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() => expect(() => backend.handle(SAMPLE_REQ.clone<never>({method: 'GET'})))
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.toThrowError(JSONP_ERR_WRONG_METHOD));
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it('when response type is not json',
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() => expect(() => backend.handle(SAMPLE_REQ.clone<never>({responseType: 'text'})))
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.toThrowError(JSONP_ERR_WRONG_RESPONSE_TYPE));
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it('when callback is never called', done => {
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backend.handle(SAMPLE_REQ).subscribe(undefined, (err: HttpErrorResponse) => {
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expect(err.status).toBe(0);
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expect(err.error instanceof Error).toEqual(true);
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expect(err.error.message).toEqual(JSONP_ERR_NO_CALLBACK);
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done();
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});
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document.mockLoad();
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});
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});
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});
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}
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