87 lines
2.3 KiB
JavaScript
87 lines
2.3 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 TestServer = require('./server');
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// test subjects
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var fetch = require('../index.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('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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fetch.Promise = old;
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});
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it('should throw error when no promise implementation 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 status code, headers, body correctly', function() {
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url = base + '/hello';
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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).to.include({ 'content-type': 'text/plain' });
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expect(res.body).to.be.an.instanceof(stream.Transform);
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expect(res.url).to.equal(url);
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});
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});
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});
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