190 lines
7.6 KiB
TypeScript
190 lines
7.6 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC 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 {HttpContext} from '@angular/common/http/src/context';
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import {HttpHeaders} from '@angular/common/http/src/headers';
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import {HttpParams} from '@angular/common/http/src/params';
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import {HttpRequest} from '@angular/common/http/src/request';
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import {ddescribe, describe, it} from '@angular/core/testing/src/testing_internal';
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const TEST_URL = 'https://angular.io/';
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const TEST_STRING = `I'm a body!`;
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{
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describe('HttpRequest', () => {
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describe('constructor', () => {
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it('initializes url', () => {
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const req = new HttpRequest('', TEST_URL, null);
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expect(req.url).toBe(TEST_URL);
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});
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it('doesn\'t require a body for body-less methods', () => {
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let req = new HttpRequest('GET', TEST_URL);
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expect(req.method).toBe('GET');
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expect(req.body).toBeNull();
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req = new HttpRequest('HEAD', TEST_URL);
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expect(req.method).toBe('HEAD');
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expect(req.body).toBeNull();
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req = new HttpRequest('JSONP', TEST_URL);
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expect(req.method).toBe('JSONP');
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expect(req.body).toBeNull();
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req = new HttpRequest('OPTIONS', TEST_URL);
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expect(req.method).toBe('OPTIONS');
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expect(req.body).toBeNull();
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});
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it('accepts a string request method', () => {
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const req = new HttpRequest('TEST', TEST_URL, null);
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expect(req.method).toBe('TEST');
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});
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it('accepts a string body', () => {
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const req = new HttpRequest('POST', TEST_URL, TEST_STRING);
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expect(req.body).toBe(TEST_STRING);
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});
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it('accepts an object body', () => {
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const req = new HttpRequest('POST', TEST_URL, {data: TEST_STRING});
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expect(req.body).toEqual({data: TEST_STRING});
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});
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it('creates default headers if not passed', () => {
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const req = new HttpRequest('GET', TEST_URL);
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expect(req.headers instanceof HttpHeaders).toBeTruthy();
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});
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it('uses the provided headers if passed', () => {
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const headers = new HttpHeaders();
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const req = new HttpRequest('GET', TEST_URL, {headers});
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expect(req.headers).toBe(headers);
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});
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it('uses the provided context if passed', () => {
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const context = new HttpContext();
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const req = new HttpRequest('GET', TEST_URL, {context});
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expect(req.context).toBe(context);
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});
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it('defaults to Json', () => {
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const req = new HttpRequest('GET', TEST_URL);
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expect(req.responseType).toBe('json');
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});
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});
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describe('clone() copies the request', () => {
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const headers = new HttpHeaders({
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'Test': 'Test header',
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});
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const context = new HttpContext();
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const req = new HttpRequest('POST', TEST_URL, 'test body', {
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headers,
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context,
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reportProgress: true,
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responseType: 'text',
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withCredentials: true,
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});
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it('in the base case', () => {
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const clone = req.clone();
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expect(clone.method).toBe('POST');
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expect(clone.responseType).toBe('text');
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expect(clone.url).toBe(TEST_URL);
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// Headers should be the same, as the headers are sealed.
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expect(clone.headers).toBe(headers);
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expect(clone.headers.get('Test')).toBe('Test header');
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expect(clone.context).toBe(context);
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});
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it('and updates the url', () => {
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expect(req.clone({url: '/changed'}).url).toBe('/changed');
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});
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it('and updates the method', () => {
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expect(req.clone({method: 'PUT'}).method).toBe('PUT');
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});
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it('and updates the body', () => {
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expect(req.clone({body: 'changed body'}).body).toBe('changed body');
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});
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it('and updates the context', () => {
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const newContext = new HttpContext();
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expect(req.clone({context: newContext}).context).toBe(newContext);
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});
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});
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describe('content type detection', () => {
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const baseReq = new HttpRequest('POST', '/test', null);
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it('handles a null body', () => {
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expect(baseReq.detectContentTypeHeader()).toBeNull();
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});
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it('doesn\'t associate a content type with ArrayBuffers', () => {
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const req = baseReq.clone({body: new ArrayBuffer(4)});
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expect(req.detectContentTypeHeader()).toBeNull();
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});
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it('handles strings as text', () => {
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const req = baseReq.clone({body: 'hello world'});
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expect(req.detectContentTypeHeader()).toBe('text/plain');
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});
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it('handles arrays as json', () => {
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const req = baseReq.clone({body: ['a', 'b']});
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expect(req.detectContentTypeHeader()).toBe('application/json');
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});
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it('handles numbers as json', () => {
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const req = baseReq.clone({body: 314159});
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expect(req.detectContentTypeHeader()).toBe('application/json');
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});
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it('handles objects as json', () => {
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const req = baseReq.clone({body: {data: 'test data'}});
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expect(req.detectContentTypeHeader()).toBe('application/json');
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});
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it('handles boolean as json', () => {
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const req = baseReq.clone({body: true});
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expect(req.detectContentTypeHeader()).toBe('application/json');
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});
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});
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describe('body serialization', () => {
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const baseReq = new HttpRequest('POST', '/test', null);
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it('handles a null body', () => {
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expect(baseReq.serializeBody()).toBeNull();
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});
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it('passes ArrayBuffers through', () => {
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const body = new ArrayBuffer(4);
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expect(baseReq.clone({body}).serializeBody()).toBe(body);
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});
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it('passes strings through', () => {
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const body = 'hello world';
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expect(baseReq.clone({body}).serializeBody()).toBe(body);
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});
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it('serializes arrays as json', () => {
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expect(baseReq.clone({body: ['a', 'b']}).serializeBody()).toBe('["a","b"]');
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});
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it('handles numbers as json', () => {
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expect(baseReq.clone({body: 314159}).serializeBody()).toBe('314159');
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});
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it('handles objects as json', () => {
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const req = baseReq.clone({body: {data: 'test data'}});
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expect(req.serializeBody()).toBe('{"data":"test data"}');
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});
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it('serializes parameters as urlencoded', () => {
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const params = new HttpParams().append('first', 'value').append('second', 'other');
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const withParams = baseReq.clone({body: params});
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expect(withParams.serializeBody()).toEqual('first=value&second=other');
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expect(withParams.detectContentTypeHeader())
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.toEqual('application/x-www-form-urlencoded;charset=UTF-8');
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});
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});
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describe('parameter handling', () => {
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const baseReq = new HttpRequest('GET', '/test', null);
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const params = new HttpParams({fromString: 'test=true'});
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it('appends parameters to a base URL', () => {
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const req = baseReq.clone({params});
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expect(req.urlWithParams).toEqual('/test?test=true');
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});
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it('appends parameters to a URL with an empty query string', () => {
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const req = baseReq.clone({params, url: '/test?'});
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expect(req.urlWithParams).toEqual('/test?test=true');
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});
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it('appends parameters to a URL with a query string', () => {
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const req = baseReq.clone({params, url: '/test?other=false'});
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expect(req.urlWithParams).toEqual('/test?other=false&test=true');
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});
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it('sets parameters via setParams', () => {
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const req = baseReq.clone({setParams: {'test': 'false'}});
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expect(req.urlWithParams).toEqual('/test?test=false');
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});
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});
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});
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}
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