554 lines
15 KiB
JavaScript
554 lines
15 KiB
JavaScript
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// test tools
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var chai = require('chai');
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var cap = require('chai-as-promised');
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chai.use(cap);
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var expect = chai.expect;
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var bluebird = require('bluebird');
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var then = require('promise');
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var stream = require('stream');
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var resumer = require('resumer');
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var TestServer = require('./server');
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// test subjects
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var fetch = require('../index.js');
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var Headers = require('../lib/headers.js');
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var Response = require('../lib/response.js');
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// test with native promise on node 0.11, and bluebird for node 0.10
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fetch.Promise = fetch.Promise || bluebird;
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var url, opts, local, base;
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describe('node-fetch', function() {
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before(function(done) {
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local = new TestServer();
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base = 'http://' + local.hostname + ':' + local.port;
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local.start(done);
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});
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after(function(done) {
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local.stop(done);
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});
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it('should return a promise', function() {
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url = 'http://example.com/';
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var p = fetch(url);
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expect(p).to.be.an.instanceof(fetch.Promise);
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expect(p).to.have.property('then');
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});
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it('should allow custom promise', function() {
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url = 'http://example.com/';
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var old = fetch.Promise;
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fetch.Promise = then;
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expect(fetch(url)).to.be.an.instanceof(then);
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expect(fetch(url)).to.not.be.an.instanceof(bluebird);
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fetch.Promise = old;
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});
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it('should throw error when no promise implementation are found', function() {
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url = 'http://example.com/';
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var old = fetch.Promise;
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fetch.Promise = undefined;
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expect(function() {
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fetch(url)
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}).to.throw(Error);
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fetch.Promise = old;
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});
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it('should reject with error if url is protocol relative', function() {
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url = '//example.com/';
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return expect(fetch(url)).to.eventually.be.rejectedWith(Error);
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});
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it('should reject with error if url is relative path', function() {
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url = '/some/path';
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return expect(fetch(url)).to.eventually.be.rejectedWith(Error);
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});
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it('should reject with error if protocol is unsupported', function() {
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url = 'ftp://example.com/';
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return expect(fetch(url)).to.eventually.be.rejectedWith(Error);
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});
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it('should reject with error on network failure', function() {
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url = 'http://localhost:50000/';
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return expect(fetch(url)).to.eventually.be.rejectedWith(Error);
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});
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it('should resolve into response', function() {
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url = base + '/hello';
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return fetch(url).then(function(res) {
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expect(res).to.be.an.instanceof(Response);
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expect(res.headers).to.be.an.instanceof(Headers);
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expect(res.body).to.be.an.instanceof(stream.Transform);
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expect(res.bodyUsed).to.be.false;
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expect(res.url).to.equal(url);
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expect(res.ok).to.be.true;
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expect(res.status).to.equal(200);
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expect(res.statusText).to.equal('OK');
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});
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});
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it('should accept plain text response', function() {
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url = base + '/plain';
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return fetch(url).then(function(res) {
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expect(res.headers.get('content-type')).to.equal('text/plain');
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return res.text().then(function(result) {
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expect(res.bodyUsed).to.be.true;
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expect(result).to.be.a('string');
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expect(result).to.equal('text');
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});
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});
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});
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it('should accept html response (like plain text)', function() {
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url = base + '/html';
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return fetch(url).then(function(res) {
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expect(res.headers.get('content-type')).to.equal('text/html');
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return res.text().then(function(result) {
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expect(res.bodyUsed).to.be.true;
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expect(result).to.be.a('string');
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expect(result).to.equal('<html></html>');
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});
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});
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});
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it('should accept json response', function() {
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url = base + '/json';
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return fetch(url).then(function(res) {
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expect(res.headers.get('content-type')).to.equal('application/json');
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return res.json().then(function(result) {
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expect(res.bodyUsed).to.be.true;
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expect(result).to.be.an('object');
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expect(result).to.deep.equal({ name: 'value' });
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});
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});
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});
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it('should send request with custom headers', function() {
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url = base + '/inspect';
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opts = {
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headers: { 'x-custom-header': 'abc' }
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};
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return fetch(url, opts).then(function(res) {
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return res.json();
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}).then(function(res) {
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expect(res.headers['x-custom-header']).to.equal('abc');
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});
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});
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it('should follow redirect code 301', function() {
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url = base + '/redirect/301';
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return fetch(url).then(function(res) {
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expect(res.url).to.equal(base + '/inspect');
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expect(res.status).to.equal(200);
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expect(res.ok).to.be.true;
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});
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});
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it('should follow redirect code 302', function() {
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url = base + '/redirect/302';
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return fetch(url).then(function(res) {
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expect(res.url).to.equal(base + '/inspect');
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expect(res.status).to.equal(200);
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});
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});
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it('should follow redirect code 303', function() {
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url = base + '/redirect/303';
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return fetch(url).then(function(res) {
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expect(res.url).to.equal(base + '/inspect');
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expect(res.status).to.equal(200);
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});
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});
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it('should follow redirect code 307', function() {
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url = base + '/redirect/307';
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return fetch(url).then(function(res) {
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expect(res.url).to.equal(base + '/inspect');
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expect(res.status).to.equal(200);
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});
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});
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it('should follow redirect code 308', function() {
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url = base + '/redirect/308';
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return fetch(url).then(function(res) {
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expect(res.url).to.equal(base + '/inspect');
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expect(res.status).to.equal(200);
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});
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});
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it('should follow redirect chain', function() {
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url = base + '/redirect/chain';
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return fetch(url).then(function(res) {
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expect(res.url).to.equal(base + '/inspect');
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expect(res.status).to.equal(200);
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});
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});
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it('should follow redirect chain', function() {
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url = base + '/redirect/chain';
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return fetch(url).then(function(res) {
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expect(res.url).to.equal(base + '/inspect');
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expect(res.status).to.equal(200);
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});
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});
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it('should obey maximum redirect', function() {
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url = base + '/redirect/chain';
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opts = {
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follow: 1
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}
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return expect(fetch(url, opts)).to.eventually.be.rejectedWith(Error);
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});
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it('should reject broken redirect', function() {
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url = base + '/error/redirect';
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return expect(fetch(url)).to.eventually.be.rejectedWith(Error);
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});
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it('should handle client-error response', function() {
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url = base + '/error/400';
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return fetch(url).then(function(res) {
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expect(res.headers.get('content-type')).to.equal('text/plain');
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expect(res.status).to.equal(400);
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expect(res.statusText).to.equal('Bad Request');
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expect(res.ok).to.be.false;
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return res.text().then(function(result) {
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expect(res.bodyUsed).to.be.true;
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expect(result).to.be.a('string');
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expect(result).to.equal('client error');
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});
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});
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});
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it('should handle server-error response', function() {
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url = base + '/error/500';
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return fetch(url).then(function(res) {
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expect(res.headers.get('content-type')).to.equal('text/plain');
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expect(res.status).to.equal(500);
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expect(res.statusText).to.equal('Internal Server Error');
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expect(res.ok).to.be.false;
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return res.text().then(function(result) {
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expect(res.bodyUsed).to.be.true;
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expect(result).to.be.a('string');
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expect(result).to.equal('server error');
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});
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});
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});
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it('should handle network-error response', function() {
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url = base + '/error/reset';
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return expect(fetch(url)).to.eventually.be.rejectedWith(Error);
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});
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it('should reject invalid json response', function() {
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url = base + '/error/json';
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return fetch(url).then(function(res) {
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expect(res.headers.get('content-type')).to.equal('application/json');
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return expect(res.json()).to.eventually.be.rejectedWith(Error);
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});
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});
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it('should handle empty response', function() {
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url = base + '/empty';
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return fetch(url).then(function(res) {
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expect(res.status).to.equal(204);
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expect(res.statusText).to.equal('No Content');
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expect(res.ok).to.be.true;
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return res.text().then(function(result) {
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expect(result).to.be.a('string');
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expect(result).to.be.empty;
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});
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});
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});
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it('should decompress gzip response', function() {
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url = base + '/gzip';
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return fetch(url).then(function(res) {
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expect(res.headers.get('content-type')).to.equal('text/plain');
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return res.text().then(function(result) {
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expect(result).to.be.a('string');
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expect(result).to.equal('hello world');
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});
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});
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});
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it('should decompress deflate response', function() {
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url = base + '/deflate';
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return fetch(url).then(function(res) {
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expect(res.headers.get('content-type')).to.equal('text/plain');
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return res.text().then(function(result) {
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expect(result).to.be.a('string');
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expect(result).to.equal('hello world');
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});
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});
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});
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it('should skip decompression if unsupported', function() {
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url = base + '/sdch';
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return fetch(url).then(function(res) {
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expect(res.headers.get('content-type')).to.equal('text/plain');
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return res.text().then(function(result) {
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expect(result).to.be.a('string');
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expect(result).to.equal('fake sdch string');
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});
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});
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});
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it('should allow disabling auto decompression', function() {
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url = base + '/gzip';
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opts = {
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compress: false
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};
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return fetch(url, opts).then(function(res) {
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expect(res.headers.get('content-type')).to.equal('text/plain');
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return res.text().then(function(result) {
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expect(result).to.be.a('string');
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expect(result).to.not.equal('hello world');
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});
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});
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});
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it('should allow custom timeout', function() {
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url = base + '/timeout';
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opts = {
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timeout: 100
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};
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return expect(fetch(url, opts)).to.eventually.be.rejectedWith(Error);
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});
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it('should allow POST request', function() {
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url = base + '/inspect';
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opts = {
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method: 'POST'
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};
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return fetch(url, opts).then(function(res) {
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return res.json();
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}).then(function(res) {
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expect(res.method).to.equal('POST');
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});
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});
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it('should allow POST request with string body', function() {
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url = base + '/inspect';
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opts = {
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method: 'POST'
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, body: 'a=1'
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};
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return fetch(url, opts).then(function(res) {
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return res.json();
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}).then(function(res) {
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expect(res.method).to.equal('POST');
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expect(res.body).to.equal('a=1');
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});
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});
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it('should allow POST request with readable stream as body', function() {
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url = base + '/inspect';
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opts = {
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method: 'POST'
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, body: resumer().queue('a=1').end()
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};
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return fetch(url, opts).then(function(res) {
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return res.json();
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}).then(function(res) {
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expect(res.method).to.equal('POST');
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expect(res.body).to.equal('a=1');
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});
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});
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it('should allow PUT request', function() {
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url = base + '/inspect';
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opts = {
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method: 'PUT'
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, body: 'a=1'
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};
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return fetch(url, opts).then(function(res) {
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return res.json();
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}).then(function(res) {
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expect(res.method).to.equal('PUT');
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expect(res.body).to.equal('a=1');
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});
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});
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it('should allow DELETE request', function() {
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url = base + '/inspect';
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opts = {
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method: 'DELETE'
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};
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return fetch(url, opts).then(function(res) {
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return res.json();
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}).then(function(res) {
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expect(res.method).to.equal('DELETE');
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});
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});
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it('should allow PATCH request', function() {
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url = base + '/inspect';
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opts = {
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method: 'PATCH'
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, body: 'a=1'
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};
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return fetch(url, opts).then(function(res) {
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return res.json();
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}).then(function(res) {
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expect(res.method).to.equal('PATCH');
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expect(res.body).to.equal('a=1');
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});
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});
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it('should allow HEAD request', function() {
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url = base + '/hello';
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opts = {
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method: 'HEAD'
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};
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return fetch(url, opts).then(function(res) {
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expect(res.status).to.equal(200);
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expect(res.statusText).to.equal('OK');
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expect(res.headers.get('content-type')).to.equal('text/plain');
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expect(res.body).to.be.an.instanceof(stream.Transform);
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});
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});
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it('should reject decoding body twice', function() {
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url = base + '/plain';
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return fetch(url).then(function(res) {
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expect(res.headers.get('content-type')).to.equal('text/plain');
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return res.text().then(function(result) {
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expect(res.bodyUsed).to.be.true;
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return expect(res.text()).to.eventually.be.rejectedWith(Error);
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});
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});
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});
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it('should support maximum response size, multiple chunk', function() {
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url = base + '/size/chunk';
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opts = {
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size: 5
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};
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return fetch(url, opts).then(function(res) {
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expect(res.status).to.equal(200);
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expect(res.headers.get('content-type')).to.equal('text/plain');
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return expect(res.text()).to.eventually.be.rejectedWith(Error);
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});
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});
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it('should support maximum response size, single chunk', function() {
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url = base + '/size/long';
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opts = {
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size: 5
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};
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return fetch(url, opts).then(function(res) {
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expect(res.status).to.equal(200);
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expect(res.headers.get('content-type')).to.equal('text/plain');
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return expect(res.text()).to.eventually.be.rejectedWith(Error);
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});
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});
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it('should support encoding decode, xml dtd detect', function() {
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url = base + '/encoding/euc-jp';
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return fetch(url).then(function(res) {
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expect(res.status).to.equal(200);
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return res.text().then(function(result) {
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expect(result).to.equal('<?xml version="1.0" encoding="EUC-JP"?><title>日本語</title>');
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});
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});
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});
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it('should support encoding decode, content-type detect', function() {
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url = base + '/encoding/shift-jis';
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return fetch(url).then(function(res) {
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expect(res.status).to.equal(200);
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return res.text().then(function(result) {
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expect(result).to.equal('<div>日本語</div>');
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});
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});
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});
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it('should support encoding decode, html5 detect', function() {
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url = base + '/encoding/gbk';
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return fetch(url).then(function(res) {
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expect(res.status).to.equal(200);
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return res.text().then(function(result) {
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expect(result).to.equal('<meta charset="gbk"><div>中文</div>');
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});
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});
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});
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it('should support encoding decode, html4 detect', function() {
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url = base + '/encoding/gb2312';
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return fetch(url).then(function(res) {
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expect(res.status).to.equal(200);
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return res.text().then(function(result) {
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expect(result).to.equal('<meta http-equiv="Content-Type" content="text/html; charset=gb2312"><div>中文</div>');
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});
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});
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});
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it('should default to utf8 encoding', function() {
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url = base + '/encoding/utf8';
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return fetch(url).then(function(res) {
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expect(res.status).to.equal(200);
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expect(res.headers.get('content-type')).to.be.null;
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return res.text().then(function(result) {
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expect(result).to.equal('中文');
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});
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});
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});
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it('should allow piping response body as stream', function(done) {
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url = base + '/hello';
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fetch(url).then(function(res) {
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expect(res.body).to.be.an.instanceof(stream.Transform);
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res.body.on('data', function(chunk) {
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if (chunk === null) {
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return;
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}
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expect(chunk.toString()).to.equal('world');
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});
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res.body.on('end', function() {
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done();
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});
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});
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});
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it('should allow get all responses of a header', function() {
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url = base + '/cookie';
|
|
return fetch(url).then(function(res) {
|
|
expect(res.headers.get('set-cookie')).to.equal('a=1');
|
|
expect(res.headers.get('Set-Cookie')).to.equal('a=1');
|
|
expect(res.headers.getAll('set-cookie')).to.deep.equal(['a=1', 'b=1']);
|
|
expect(res.headers.getAll('Set-Cookie')).to.deep.equal(['a=1', 'b=1']);
|
|
});
|
|
});
|
|
|
|
it('should allow deleting header', function() {
|
|
url = base + '/cookie';
|
|
return fetch(url).then(function(res) {
|
|
res.headers.delete('set-cookie');
|
|
expect(res.headers.get('set-cookie')).to.be.null;
|
|
expect(res.headers.getAll('set-cookie')).to.be.empty;
|
|
});
|
|
});
|
|
|
|
it('should support https request', function() {
|
|
this.timeout(5000);
|
|
url = 'https://github.com/';
|
|
opts = {
|
|
method: 'HEAD'
|
|
};
|
|
return fetch(url, opts).then(function(res) {
|
|
expect(res.status).to.equal(200);
|
|
expect(res.ok).to.be.true;
|
|
});
|
|
});
|
|
|
|
});
|