iron-request.html
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<!doctype html>
<!--
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<html>
<head>
<title>iron-request</title>
<script src="../../webcomponentsjs/webcomponents.js"></script>
<script src="../../web-component-tester/browser.js"></script>
<link rel="import" href="../../polymer/polymer.html">
<link rel="import" href="../iron-request.html">
</head>
<body>
<test-fixture id="TrivialRequest">
<template>
<iron-request></iron-request>
</template>
</test-fixture>
<script>
suite('<iron-request>', function () {
var jsonResponseHeaders;
var successfulRequestOptions;
var request;
var server;
setup(function () {
jsonResponseHeaders = {
'Content-Type': 'application/json'
};
server = sinon.fakeServer.create();
server.respondWith('GET', '/responds_to_get_with_json', [
200,
jsonResponseHeaders,
'{"success":true}'
]);
server.respondWith('GET', '/responds_to_get_with_prefixed_json', [
200,
jsonResponseHeaders,
'])}while(1);</x>{"success":true}'
]);
server.respondWith('GET', '/responds_to_get_with_500', [
500,
{},
''
]);
server.respondWith('GET', '/responds_to_get_with_100', [
100,
{},
''
]);
server.respondWith('GET', '/responds_to_get_with_0', [
0,
jsonResponseHeaders,
'{"success":true}'
]);
request = fixture('TrivialRequest');
successfulRequestOptions = {
url: '/responds_to_get_with_json'
};
});
teardown(function () {
server.restore();
});
suite('basic usage', function () {
test('creates network requests, requiring only `url`', function () {
request.send(successfulRequestOptions);
server.respond();
expect(request.response).to.be.ok;
});
test('sets async to true by default', function () {
request.send(successfulRequestOptions);
expect(request.xhr.async).to.be.eql(true);
});
test('can be aborted', function () {
request.send(successfulRequestOptions);
request.abort();
server.respond();
return request.completes.then(function () {
throw new Error('Request did not abort appropriately!');
}).catch(function (e) {
expect(request.response).to.not.be.ok;
});
});
test('default responseType is text', function () {
request.send(successfulRequestOptions);
server.respond();
return request.completes.then(function() {
expect(request.response).to.be.an('string')
});
});
test('default responseType of text is not applied, when async is false', function () {
var options = Object.create(successfulRequestOptions);
options.async = false;
request.send(options);
server.respond();
return request.completes.then(function() {
expect(request.xhr.responseType).to.be.empty;
});
});
test('responseType can be configured via handleAs option', function () {
var options = Object.create(successfulRequestOptions);
options.handleAs = 'json';
request.send(options);
expect(server.requests.length).to.be.equal(1);
expect(server.requests[0].requestHeaders['accept']).to.be.equal(
'application/json');
server.respond();
return request.completes.then(function() {
expect(request.response).to.be.an('object');
});
});
test('setting jsonPrefix correctly strips it from the response', function () {
var options = {
url: '/responds_to_get_with_prefixed_json',
handleAs: 'json',
jsonPrefix: '])}while(1);</x>'
};
request.send(options);
expect(server.requests.length).to.be.equal(1);
expect(server.requests[0].requestHeaders['accept']).to.be.equal(
'application/json');
server.respond();
return request.completes.then(function() {
expect(request.response).to.deep.eq({success: true});
});
});
test('responseType cannot be configured via handleAs option, when async is false', function () {
var options = Object.create(successfulRequestOptions);
options.handleAs = 'json';
options.async = false;
request.send(options);
expect(server.requests.length).to.be.equal(1);
expect(server.requests[0].requestHeaders['accept']).to.be.equal(
'application/json');
server.respond();
return request.completes.then(function() {
expect(request.response).to.be.a('string');
});
});
test('headers are sent up', function() {
var options = Object.create(successfulRequestOptions);
options.headers = {
'foo': 'bar',
'accept': 'this should override the default'
};
request.send(options);
expect(server.requests.length).to.be.equal(1);
var fakeXhr = server.requests[0]
expect(fakeXhr.requestHeaders['foo']).to.be.equal(
'bar');
expect(fakeXhr.requestHeaders['accept']).to.be.equal(
'this should override the default');
});
test('headers are deduped by lowercasing', function() {
var options = Object.create(successfulRequestOptions);
options.headers = {
'foo': 'bar',
'Foo': 'bar',
'fOo': 'bar',
'Accept': 'this should also override the default'
};
request.send(options);
expect(server.requests.length).to.be.equal(1);
var fakeXhr = server.requests[0]
expect(Object.keys(fakeXhr.requestHeaders).length).to.be.equal(2);
expect(fakeXhr.requestHeaders['foo']).to.be.equal(
'bar');
expect(fakeXhr.requestHeaders['accept']).to.be.equal(
'this should also override the default');
});
});
suite('special cases', function() {
test('treats status code 0 as success, though the outcome is ambiguous', function() {
// Note: file:// status code will probably be 0 no matter what happened.
request.send({
url: '/responds_to_get_with_0'
});
server.respond();
expect(request.succeeded).to.be.equal(true);
});
});
suite('errors', function() {
test('treats status codes between 1 and 199 as errors', function() {
request.send({
url: '/responds_to_get_with_100'
});
server.respond();
expect(request.succeeded).to.be.equal(false);
});
test('treats status codes between 300 and ∞ as errors', function() {
request.send({
url: '/responds_to_get_with_500'
});
server.respond();
expect(request.succeeded).to.be.equal(false);
});
});
suite('status codes', function() {
test('status and statusText is set after a ambiguous request', function() {
request.send({
url: '/responds_to_get_with_0'
});
server.respond();
expect(request.status).to.be.equal(0);
expect(request.statusText).to.be.equal('');
});
test('status and statusText is set after a request that succeeded', function() {
request.send({
url: '/responds_to_get_with_json'
});
server.respond();
expect(request.status).to.be.equal(200);
expect(request.statusText).to.be.equal('OK');
});
test('status and statusText is set after a request that failed', function() {
request.send({
url: '/responds_to_get_with_500'
});
server.respond();
expect(request.status).to.be.equal(500);
expect(request.statusText).to.be.equal('Internal Server Error');
});
});
});
</script>
</body>
</html>