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<!DOCTYPE html>
<html>
<head>
<meta charset="utf8">
<title>SuperAgent — elegant API for AJAX in Node and browsers</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/tocbot/3.0.0/tocbot.css">
<link rel="stylesheet" href="docs/style.css">
</head>
<body>
<ul id="menu"></ul>
<div id="content">
test on node with http1
test on plain node
<section class="suite">
<h1>Agent</h1>
<dl>
<dt>should remember defaults</dt>
<dd><pre><code>if (typeof Promise === 'undefined') {
return;
}
let called = 0;
let event_called = 0;
const agent = request
.agent()
.accept('json')
.use(() => {
called++;
})
.once('request', () => {
event_called++;
})
.query({ hello: 'world' })
.set('X-test', 'testing');
assert.equal(0, called);
assert.equal(0, event_called);
return agent
.get(`${base}/echo`)
.then((res) => {
assert.equal(1, called);
assert.equal(1, event_called);
assert.equal('application/json', res.headers.accept);
assert.equal('testing', res.headers['x-test']);
return agent.get(`${base}/querystring`);
})
.then((res) => {
assert.equal(2, called);
assert.equal(2, event_called);
assert.deepEqual({ hello: 'world' }, res.body);
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>request</h1>
<dl>
<section class="suite">
<h1>res.statusCode</h1>
<dl>
<dt>should set statusCode</dt>
<dd><pre><code>request.get(`${uri}/login`, (error, res) => {
try {
assert.strictEqual(res.statusCode, 200);
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>should allow the send shorthand</h1>
<dl>
<dt>with callback in the method call</dt>
<dd><pre><code>request.get(`${uri}/login`, (error, res) => {
assert.equal(res.status, 200);
done();
});</code></pre></dd>
<dt>with data in the method call</dt>
<dd><pre><code>request.post(`${uri}/echo`, { foo: 'bar' }).end((error, res) => {
assert.equal('{"foo":"bar"}', res.text);
done();
});</code></pre></dd>
<dt>with callback and data in the method call</dt>
<dd><pre><code>request.post(`${uri}/echo`, { foo: 'bar' }, (error, res) => {
assert.equal('{"foo":"bar"}', res.text);
done();
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>with a callback</h1>
<dl>
<dt>should invoke .end()</dt>
<dd><pre><code>request.get(`${uri}/login`, (error, res) => {
try {
assert.equal(res.status, 200);
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>.end()</h1>
<dl>
<dt>should issue a request</dt>
<dd><pre><code>request.get(`${uri}/login`).end((error, res) => {
try {
assert.equal(res.status, 200);
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
<dt>is optional with a promise</dt>
<dd><pre><code>if (typeof Promise === 'undefined') {
return;
}
return request
.get(`${uri}/login`)
.then((res) => res.status)
.then()
.then((status) => {
assert.equal(200, status, 'Real promises pass results through');
});</code></pre></dd>
<dt>called only once with a promise</dt>
<dd><pre><code>if (typeof Promise === 'undefined') {
return;
}
const request_ = request.get(`${uri}/unique`);
return Promise.all([request_, request_, request_]).then((results) => {
for (const item of results) {
assert.deepEqual(
item.body,
results[0].body,
'It should keep returning the same result after being called once'
);
}
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>res.error</h1>
<dl>
<dt>ok</dt>
<dd><pre><code>let calledErrorEvent = false;
let calledOKHandler = false;
request
.get(`${uri}/error`)
.ok((res) => {
assert.strictEqual(500, res.status);
calledOKHandler = true;
return true;
})
.on('error', (error) => {
calledErrorEvent = true;
})
.end((error, res) => {
try {
assert.ifError(error);
assert.strictEqual(res.status, 500);
assert(!calledErrorEvent);
assert(calledOKHandler);
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
<dt>should be an Error object</dt>
<dd><pre><code>let calledErrorEvent = false;
request
.get(`${uri}/error`)
.on('error', (error) => {
assert.strictEqual(error.status, 500);
calledErrorEvent = true;
})
.end((error, res) => {
try {
if (NODE) {
res.error.message.should.equal('cannot GET /error (500)');
} else {
res.error.message.should.equal(`cannot GET ${uri}/error (500)`);
}
assert.strictEqual(res.error.status, 500);
assert(error, 'should have an error for 500');
assert.equal(error.message, 'Internal Server Error');
assert(calledErrorEvent);
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
<dt>with .then() promise</dt>
<dd><pre><code>if (typeof Promise === 'undefined') {
return;
}
return request.get(`${uri}/error`).then(
() => {
assert.fail();
},
(err) => {
assert.equal(err.message, 'Internal Server Error');
}
);</code></pre></dd>
<dt>with .ok() returning false</dt>
<dd><pre><code>if (typeof Promise === 'undefined') {
return;
}
return request
.get(`${uri}/echo`)
.ok(() => false)
.then(
() => {
assert.fail();
},
(err) => {
assert.equal(200, err.response.status);
assert.equal(err.message, 'OK');
}
);</code></pre></dd>
<dt>with .ok() throwing an Error</dt>
<dd><pre><code>if (typeof Promise === 'undefined') {
return;
}
return request
.get(`${uri}/echo`)
.ok(() => {
throw new Error('boom');
})
.then(
() => {
assert.fail();
},
(err) => {
assert.equal(200, err.status);
assert.equal(200, err.response.status);
assert.equal(err.message, 'boom');
}
);</code></pre></dd>
<dt>with .ok() throwing an Error with status</dt>
<dd><pre><code>if (typeof Promise === 'undefined') {
return;
}
return request
.get(`${uri}/echo`)
.ok(() => {
const err = new Error('boom');
err.status = 404;
throw err;
})
.then(
() => {
assert.fail();
},
(err) => {
assert.equal(404, err.status);
assert.equal(200, err.response.status);
assert.equal(err.message, 'boom');
}
);</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>res.header</h1>
<dl>
<dt>should be an object</dt>
<dd><pre><code>request.get(`${uri}/login`).end((error, res) => {
try {
assert.equal('Express', res.header['x-powered-by']);
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>set headers</h1>
<dl>
<dt>should only set headers for ownProperties of header</dt>
<dd><pre><code>try {
request
.get(`${uri}/echo-headers`)
.set('valid', 'ok')
.end((error, res) => {
if (
!error &&
res.body &&
res.body.valid &&
!res.body.hasOwnProperty('invalid')
) {
return done();
}
done(error || new Error('fail'));
});
} catch (err) {
done(err);
}</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>res.charset</h1>
<dl>
<dt>should be set when present</dt>
<dd><pre><code>request.get(`${uri}/login`).end((error, res) => {
try {
res.charset.should.equal('utf-8');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>res.statusType</h1>
<dl>
<dt>should provide the first digit</dt>
<dd><pre><code>request.get(`${uri}/login`).end((error, res) => {
try {
assert(!error, 'should not have an error for success responses');
assert.equal(200, res.status);
assert.equal(2, res.statusType);
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>res.type</h1>
<dl>
<dt>should provide the mime-type void of params</dt>
<dd><pre><code>request.get(`${uri}/login`).end((error, res) => {
try {
res.type.should.equal('text/html');
res.charset.should.equal('utf-8');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>req.set(field, val)</h1>
<dl>
<dt>should set the header field</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.set('X-Foo', 'bar')
.set('X-Bar', 'baz')
.end((error, res) => {
try {
assert.equal('bar', res.header['x-foo']);
assert.equal('baz', res.header['x-bar']);
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>req.set(obj)</h1>
<dl>
<dt>should set the header fields</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.set({ 'X-Foo': 'bar', 'X-Bar': 'baz' })
.end((error, res) => {
try {
assert.equal('bar', res.header['x-foo']);
assert.equal('baz', res.header['x-bar']);
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>req.type(str)</h1>
<dl>
<dt>should set the Content-Type</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.type('text/x-foo')
.end((error, res) => {
try {
res.header['content-type'].should.equal('text/x-foo');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
<dt>should map "json"</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.type('json')
.send('{"a": 1}')
.end((error, res) => {
try {
res.should.be.json();
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
<dt>should map "html"</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.type('html')
.end((error, res) => {
try {
res.header['content-type'].should.equal('text/html');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>req.accept(str)</h1>
<dl>
<dt>should set Accept</dt>
<dd><pre><code>request
.get(`${uri}/echo`)
.accept('text/x-foo')
.end((error, res) => {
try {
res.header.accept.should.equal('text/x-foo');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
<dt>should map "json"</dt>
<dd><pre><code>request
.get(`${uri}/echo`)
.accept('json')
.end((error, res) => {
try {
res.header.accept.should.equal('application/json');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
<dt>should map "xml"</dt>
<dd><pre><code>request
.get(`${uri}/echo`)
.accept('xml')
.end((error, res) => {
try {
// Mime module keeps changing this :(
assert(
res.header.accept == 'application/xml' ||
res.header.accept == 'text/xml'
);
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
<dt>should map "html"</dt>
<dd><pre><code>request
.get(`${uri}/echo`)
.accept('html')
.end((error, res) => {
try {
res.header.accept.should.equal('text/html');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>req.send(str)</h1>
<dl>
<dt>should write the string</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.type('json')
.send('{"name":"tobi"}')
.end((error, res) => {
try {
res.text.should.equal('{"name":"tobi"}');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>req.send(Object)</h1>
<dl>
<dt>should default to json</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.send({ name: 'tobi' })
.end((error, res) => {
try {
res.should.be.json();
res.text.should.equal('{"name":"tobi"}');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
<section class="suite">
<h1>when called several times</h1>
<dl>
<dt>should merge the objects</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.send({ name: 'tobi' })
.send({ age: 1 })
.end((error, res) => {
try {
res.should.be.json();
if (NODE) {
res.buffered.should.be.true();
}
res.text.should.equal('{"name":"tobi","age":1}');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
</dl>
</section>
</dl>
</section>
<section class="suite">
<h1>.end(fn)</h1>
<dl>
<dt>should check arity</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.send({ name: 'tobi' })
.end((error, res) => {
try {
assert.ifError(error);
res.text.should.equal('{"name":"tobi"}');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
<dt>should emit request</dt>
<dd><pre><code>const request_ = request.post(`${uri}/echo`);
request_.on('request', (request) => {
assert.equal(request_, request);
done();
});
request_.end();</code></pre></dd>
<dt>should emit response</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.send({ name: 'tobi' })
.on('response', (res) => {
res.text.should.equal('{"name":"tobi"}');
done();
})
.end();</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>.then(fulfill, reject)</h1>
<dl>
<dt>should support successful fulfills with .then(fulfill)</dt>
<dd><pre><code>if (typeof Promise === 'undefined') {
return done();
}
request
.post(`${uri}/echo`)
.send({ name: 'tobi' })
.then((res) => {
res.type.should.equal('application/json');
res.text.should.equal('{"name":"tobi"}');
done();
});</code></pre></dd>
<dt>should reject an error with .then(null, reject)</dt>
<dd><pre><code>if (typeof Promise === 'undefined') {
return done();
}
request.get(`${uri}/error`).then(null, (err) => {
assert.equal(err.status, 500);
assert.equal(err.response.text, 'boom');
done();
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>.catch(reject)</h1>
<dl>
<dt>should reject an error with .catch(reject)</dt>
<dd><pre><code>if (typeof Promise === 'undefined') {
return done();
}
request.get(`${uri}/error`).catch((err) => {
assert.equal(err.status, 500);
assert.equal(err.response.text, 'boom');
done();
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>.abort()</h1>
<dl>
<dt>should abort the request</dt>
<dd><pre><code>const request_ = request.get(`${uri}/delay/3000`);
request_.end((error, res) => {
try {
assert(false, 'should not complete the request');
} catch (err) {
done(err);
}
});
request_.on('error', (error) => {
done(error);
});
request_.on('abort', done);
setTimeout(() => {
request_.abort();
}, 500);</code></pre></dd>
<dt>should abort the promise</dt>
<dd><pre><code>const request_ = request.get(`${uri}/delay/3000`);
setTimeout(() => {
request_.abort();
}, 10);
return request_.then(
() => {
assert.fail('should not complete the request');
},
(err) => {
assert.equal('ABORTED', err.code);
}
);</code></pre></dd>
<dt>should allow chaining .abort() several times</dt>
<dd><pre><code>const request_ = request.get(`${uri}/delay/3000`);
request_.end((error, res) => {
try {
assert(false, 'should not complete the request');
} catch (err) {
done(err);
}
});
// This also verifies only a single 'done' event is emitted
request_.on('abort', done);
setTimeout(() => {
request_.abort().abort().abort();
}, 1000);</code></pre></dd>
<dt>should not allow abort then end</dt>
<dd><pre><code>request
.get(`${uri}/delay/3000`)
.abort()
.end((error, res) => {
done(error ? undefined : new Error('Expected abort error'));
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>req.toJSON()</h1>
<dl>
<dt>should describe the request</dt>
<dd><pre><code>const request_ = request.post(`${uri}/echo`).send({ foo: 'baz' });
request_.end((error, res) => {
try {
const json = request_.toJSON();
assert.equal('POST', json.method);
assert(/\/echo$/.test(json.url));
assert.equal('baz', json.data.foo);
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>req.options()</h1>
<dl>
<dt>should allow request body</dt>
<dd><pre><code>request
.options(`${uri}/options/echo/body`)
.send({ foo: 'baz' })
.end((error, res) => {
try {
assert.equal(error, null);
assert.strictEqual(res.body.foo, 'baz');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>req.sortQuery()</h1>
<dl>
<dt>nop with no querystring</dt>
<dd><pre><code>request
.get(`${uri}/url`)
.sortQuery()
.end((error, res) => {
try {
assert.equal(res.text, '/url');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
<dt>should sort the request querystring</dt>
<dd><pre><code>request
.get(`${uri}/url`)
.query('search=Manny')
.query('order=desc')
.sortQuery()
.end((error, res) => {
try {
assert.equal(res.text, '/url?order=desc&search=Manny');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
<dt>should allow disabling sorting</dt>
<dd><pre><code>request
.get(`${uri}/url`)
.query('search=Manny')
.query('order=desc')
.sortQuery() // take default of true
.sortQuery(false) // override it in later call
.end((error, res) => {
try {
assert.equal(res.text, '/url?search=Manny&order=desc');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
<dt>should sort the request querystring using customized function</dt>
<dd><pre><code>request
.get(`${uri}/url`)
.query('name=Nick')
.query('search=Manny')
.query('order=desc')
.sortQuery((a, b) => a.length - b.length)
.end((error, res) => {
try {
assert.equal(res.text, '/url?name=Nick&order=desc&search=Manny');
done();
} catch (err) {
done(err);
}
});</code></pre></dd>
</dl>
</section>
</dl>
</section>
<section class="suite">
<h1>req.set("Content-Type", contentType)</h1>
<dl>
<dt>should work with just the contentType component</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.set('Content-Type', 'application/json')
.send({ name: 'tobi' })
.end((error) => {
assert(!error);
done();
});</code></pre></dd>
<dt>should work with the charset component</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.set('Content-Type', 'application/json; charset=utf-8')
.send({ name: 'tobi' })
.end((error) => {
assert(!error);
done();
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>req.send(Object) as "form"</h1>
<dl>
<section class="suite">
<h1>with req.type() set to form</h1>
<dl>
<dt>should send x-www-form-urlencoded data</dt>
<dd><pre><code>request
.post(`${base}/echo`)
.type('form')
.send({ name: 'tobi' })
.end((error, res) => {
res.header['content-type'].should.equal(
'application/x-www-form-urlencoded'
);
res.text.should.equal('name=tobi');
done();
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>when called several times</h1>
<dl>
<dt>should merge the objects</dt>
<dd><pre><code>request
.post(`${base}/echo`)
.type('form')
.send({ name: { first: 'tobi', last: 'holowaychuk' } })
.send({ age: '1' })
.end((error, res) => {
res.header['content-type'].should.equal(
'application/x-www-form-urlencoded'
);
res.text.should.equal(
'name%5Bfirst%5D=tobi&name%5Blast%5D=holowaychuk&age=1'
);
done();
});</code></pre></dd>
</dl>
</section>
</dl>
</section>
<section class="suite">
<h1>req.attach</h1>
<dl>
<dt>ignores null file</dt>
<dd><pre><code>request
.post('/echo')
.attach('image', null)
.end((error, res) => {
done();
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>req.field</h1>
<dl>
<dt>allow bools</dt>
<dd><pre><code>if (!formDataSupported) {
return done();
}
request
.post(`${base}/formecho`)
.field('bools', true)
.field('strings', 'true')
.end((error, res) => {
assert.ifError(error);
assert.deepStrictEqual(res.body, { bools: 'true', strings: 'true' });
done();
});</code></pre></dd>
<dt>allow objects</dt>
<dd><pre><code>if (!formDataSupported) {
return done();
}
request
.post(`${base}/formecho`)
.field({ bools: true, strings: 'true' })
.end((error, res) => {
assert.ifError(error);
assert.deepStrictEqual(res.body, { bools: 'true', strings: 'true' });
done();
});</code></pre></dd>
<dt>works with arrays in objects</dt>
<dd><pre><code>if (!formDataSupported) {
return done();
}
request
.post(`${base}/formecho`)
.field({ numbers: [1, 2, 3] })
.end((error, res) => {
assert.ifError(error);
assert.deepStrictEqual(res.body, { numbers: ['1', '2', '3'] });
done();
});</code></pre></dd>
<dt>works with arrays</dt>
<dd><pre><code>if (!formDataSupported) {
return done();
}
request
.post(`${base}/formecho`)
.field('letters', ['a', 'b', 'c'])
.end((error, res) => {
assert.ifError(error);
assert.deepStrictEqual(res.body, { letters: ['a', 'b', 'c'] });
done();
});</code></pre></dd>
<dt>throw when empty</dt>
<dd><pre><code>should.throws(() => {
request.post(`${base}/echo`).field();
}, /name/);
should.throws(() => {
request.post(`${base}/echo`).field('name');
}, /val/);</code></pre></dd>
<dt>cannot be mixed with send()</dt>
<dd><pre><code>assert.throws(() => {
request.post('/echo').field('form', 'data').send('hi');
});
assert.throws(() => {
request.post('/echo').send('hi').field('form', 'data');
});</code></pre></dd>
</dl>
</section>
<section class="suite">
<h1>req.send(Object) as "json"</h1>
<dl>
<dt>should default to json</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.send({ name: 'tobi' })
.end((error, res) => {
res.should.be.json();
res.text.should.equal('{"name":"tobi"}');
done();
});</code></pre></dd>
<dt>should work with arrays</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.send([1, 2, 3])
.end((error, res) => {
res.should.be.json();
res.text.should.equal('[1,2,3]');
done();
});</code></pre></dd>
<dt>should work with value null</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.type('json')
.send('null')
.end((error, res) => {
res.should.be.json();
assert.strictEqual(res.body, null);
done();
});</code></pre></dd>
<dt>should work with value false</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.type('json')
.send('false')
.end((error, res) => {
res.should.be.json();
res.body.should.equal(false);
done();
});</code></pre></dd>
<dt>should work with empty string value</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.type('json')
.send('""')
.end((error, res) => {
res.should.be.json();
res.body.should.equal('');
done();
});</code></pre></dd>
<dt>should work with vendor MIME type</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.set('Content-Type', 'application/vnd.example+json')
.send({ name: 'vendor' })
.end((error, res) => {
res.text.should.equal('{"name":"vendor"}');
({ name: 'vendor' }.should.eql(res.body));
done();
});</code></pre></dd>
<section class="suite">
<h1>when called several times</h1>
<dl>
<dt>should merge the objects</dt>
<dd><pre><code>request
.post(`${uri}/echo`)
.send({ name: 'tobi' })
.send({ age: 1 })
.end((error, res) => {
res.should.be.json();
res.text.should.equal('{"name":"tobi","age":1}');
({ name: 'tobi', age: 1 }.should.eql(res.body));
done();
});</code></pre></dd>
</dl>
</section>
</dl>
</section>
<section class="suite">
<h1>res.body</h1>
<dl>
<section class="suite">
<h1>application/json</h1>
<dl>
<dt>should parse the body</dt>
<dd><pre><code>request.get(`${uri}/json`).end((error, res) => {
res.text.should.equal('{"name":"manny"}');