angular-cn/modules/@angular/http/test/headers_spec.ts

129 lines
4.8 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 {beforeEach, ddescribe, describe, expect, iit, inject, it, xit} from '@angular/core/testing/testing_internal';
import {Json} from '../src/facade/lang';
import {Headers} from '../src/headers';
export function main() {
describe('Headers', () => {
it('should conform to spec', () => {
// Examples borrowed from https://developer.mozilla.org/en-US/docs/Web/API/Headers/Headers
// Spec at https://fetch.spec.whatwg.org/#dom-headers
var firstHeaders = new Headers(); // Currently empty
firstHeaders.append('Content-Type', 'image/jpeg');
expect(firstHeaders.get('Content-Type')).toBe('image/jpeg');
// "HTTP character sets are identified by case-insensitive tokens"
// Spec at https://tools.ietf.org/html/rfc2616
expect(firstHeaders.get('content-type')).toBe('image/jpeg');
expect(firstHeaders.get('content-Type')).toBe('image/jpeg');
const httpHeaders = {
'Content-Type': 'image/jpeg',
'Accept-Charset': 'utf-8',
'X-My-Custom-Header': 'Zeke are cool',
};
const secondHeaders = new Headers(httpHeaders);
const secondHeadersObj = new Headers(secondHeaders);
expect(secondHeadersObj.get('Content-Type')).toBe('image/jpeg');
});
describe('initialization', () => {
it('should merge values in provided dictionary', () => {
var headers = new Headers({'foo': 'bar'});
expect(headers.get('foo')).toBe('bar');
expect(headers.getAll('foo')).toEqual(['bar']);
});
it('should not alter the values of a provided header template', () => {
// Spec at https://fetch.spec.whatwg.org/#concept-headers-fill
// test for https://github.com/angular/angular/issues/6845
const firstHeaders = new Headers();
const secondHeaders = new Headers(firstHeaders);
secondHeaders.append('Content-Type', 'image/jpeg');
expect(firstHeaders.has('Content-Type')).toBeFalsy();
});
});
describe('.set()', () => {
it('should clear all values and re-set for the provided key', () => {
var headers = new Headers({'foo': 'bar'});
expect(headers.get('foo')).toBe('bar');
expect(headers.getAll('foo')).toEqual(['bar']);
headers.set('foo', 'baz');
expect(headers.get('foo')).toBe('baz');
expect(headers.getAll('foo')).toEqual(['baz']);
});
it('should convert input array to string', () => {
var headers = new Headers();
var inputArr = ['bar', 'baz'];
headers.set('foo', inputArr);
expect(/bar, ?baz/g.test(headers.get('foo'))).toBe(true);
expect(/bar, ?baz/g.test(headers.getAll('foo')[0])).toBe(true);
});
});
describe('.toJSON()', () => {
let headers: any /** TODO #9100 */ = null;
let inputArr: any /** TODO #9100 */ = null;
let obj: any /** TODO #9100 */ = null;
beforeEach(() => {
headers = new Headers();
inputArr = ['application/jeisen', 'application/jason', 'application/patrickjs'];
obj = {'accept': inputArr};
headers.set('Accept', inputArr);
});
it('should be serializable with toJSON', () => {
let stringifed = Json.stringify(obj);
let serializedHeaders = Json.stringify(headers);
expect(serializedHeaders).toEqual(stringifed);
});
it('should be able to parse serialized header', () => {
let stringifed = Json.stringify(obj);
let serializedHeaders = Json.stringify(headers);
expect(Json.parse(serializedHeaders)).toEqual(Json.parse(stringifed));
});
it('should be able to recreate serializedHeaders', () => {
let serializedHeaders = Json.stringify(headers);
let parsedHeaders = Json.parse(serializedHeaders);
let recreatedHeaders = new Headers(parsedHeaders);
expect(Json.stringify(parsedHeaders)).toEqual(Json.stringify(recreatedHeaders));
});
});
});
describe('.fromResponseHeaderString()', () => {
it('should parse a response header string', () => {
let responseHeaderString = `Date: Fri, 20 Nov 2015 01:45:26 GMT
Content-Type: application/json; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive`;
let responseHeaders = Headers.fromResponseHeaderString(responseHeaderString);
expect(responseHeaders.get('Date')).toEqual('Fri, 20 Nov 2015 01:45:26 GMT');
expect(responseHeaders.get('Content-Type')).toEqual('application/json; charset=utf-8');
expect(responseHeaders.get('Transfer-Encoding')).toEqual('chunked');
expect(responseHeaders.get('Connection')).toEqual('keep-alive');
});
});
}