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node-red/test/nodes/core/io/21-httprequest_spec.js

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/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
var when = require("when");
var http = require("http");
var should = require("should");
var express = require("express");
var bodyParser = require('body-parser');
var stoppable = require('stoppable');
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var helper = require("../../helper.js");
var httpRequestNode = require("../../../../nodes/core/io/21-httprequest.js");
var hashSum = require("hash-sum");
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describe('HTTP Request Node', function() {
var testApp;
var testServer;
var testPort = 9000;
function startServer(done) {
testPort += 1;
testServer = stoppable(http.createServer(testApp));
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testServer.listen(testPort,function(err) {
done(err);
});
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}
function getTestURL(url) {
return "http://localhost:"+testPort+url;
}
before(function(done) {
testApp = express();
testApp.use(bodyParser.raw({type:"*/*"}));
testApp.get('/statusCode204', function(req,res) { res.status(204).end();})
testApp.get('/text', function(req, res){ res.send('hello'); });
testApp.get('/json-valid', function(req, res){ res.json({a:1}); });
testApp.get('/json-invalid', function(req, res){ res.set('Content-Type', 'application/json').send("{a:1"); });
testApp.post('/postInspect', function(req,res) {
var result = {
body: req.body.toString(),
headers: req.headers
}
res.json(result);
});
startServer(function(err) {
if (err) {
done(err);
}
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helper.startServer(done);
});
});
after(function(done) {
testServer.stop(() => {
helper.stopServer(done);
});
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});
afterEach(function() {
helper.unload();
});
it('get plain text content', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"GET",ret:"txt",url:getTestURL('/text')},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('payload','hello');
msg.should.have.property('statusCode',200);
msg.should.have.property('headers');
msg.headers.should.have.property('content-length',''+('hello'.length));
msg.headers.should.have.property('content-type').which.startWith('text/html');
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:"foo"});
});
});
it('get JSON content', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"GET",ret:"obj",url:getTestURL('/json-valid')},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('payload',{a:1});
msg.should.have.property('statusCode',200);
msg.should.have.property('headers');
msg.headers.should.have.property('content-type').which.startWith('application/json');
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:"foo"});
});
});
it('get Buffer content', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"GET",ret:"bin",url:getTestURL('/text')},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('payload');
Buffer.isBuffer(msg.payload).should.be.true();
msg.should.have.property('statusCode',200);
msg.should.have.property('headers');
msg.headers.should.have.property('content-type');
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:"foo"});
});
});
it('returns plain text when JSON fails to parse', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"GET",ret:"obj",url:getTestURL('/json-invalid')},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('payload',"{a:1");
msg.should.have.property('statusCode',200);
msg.should.have.property('headers');
msg.headers.should.have.property('content-type').which.startWith('application/json');
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:"foo"});
});
});
it('return the status code', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"GET",ret:"txt",url:getTestURL('/statusCode204')},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('payload','');
msg.should.have.property('statusCode',204);
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:"foo"});
});
});
it('allow the url to be missing the http:// prefix', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"GET",ret:"txt",url:getTestURL('/text').substring("http://".length)},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('payload','hello');
msg.should.have.property('statusCode',200);
msg.should.have.property('headers');
msg.headers.should.have.property('content-length',''+('hello'.length));
msg.headers.should.have.property('content-type').which.startWith('text/html');
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:"foo"});
});
});
it('reject non http:// schemes - node config', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"GET",ret:"txt",url:"ftp://foo"},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var inError = false;
n2.on("input", function(msg) {
inError = true;
});
n1.receive({payload:"foo"});
setTimeout(function() {
if (inError) {
done(new Error("non http(s):// scheme allowed through"))
} else {
done();
}
},20)
});
});
it('reject non http:// schemes - msg.url', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"GET",ret:"txt"},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var inError = false;
n2.on("input", function(msg) {
inError = true;
});
n1.receive({payload:"foo",url:"ftp://foo"});
setTimeout(function() {
if (inError) {
done(new Error("non http(s):// scheme allowed through"))
} else {
done();
}
},20)
});
});
it('allow the message to provide the url', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"GET",ret:"txt"},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('payload','hello');
msg.should.have.property('statusCode',200);
msg.should.have.property('headers');
msg.headers.should.have.property('content-length',''+('hello'.length));
msg.headers.should.have.property('content-type').which.startWith('text/html');
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:"foo",url:getTestURL('/text')});
});
});
it('allow the message to provide the method', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"use",ret:"txt",url:getTestURL('/text')},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('payload','hello');
msg.should.have.property('statusCode',200);
msg.should.have.property('headers');
msg.headers.should.have.property('content-length',''+('hello'.length));
msg.headers.should.have.property('content-type').which.startWith('text/html');
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:"foo",method:"get"});
});
});
it('allow the url to contain mustache placeholders', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"GET",ret:"txt",url:getTestURL('/te{{placeholder}}')},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('payload','hello');
msg.should.have.property('statusCode',200);
msg.should.have.property('headers');
msg.headers.should.have.property('content-length',''+('hello'.length));
msg.headers.should.have.property('content-type').which.startWith('text/html');
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:"foo",placeholder:"xt"});
});
});
it('send the payload as the body of a POST as application/json', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"POST",ret:"obj",url:getTestURL('/postInspect')},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('payload');
msg.payload.body.should.eql('{"foo":"abcde"}');
msg.payload.headers.should.have.property('content-type').which.startWith('application/json');
msg.should.have.property('statusCode',200);
msg.should.have.property('headers');
msg.headers.should.have.property('content-type').which.startWith('application/json');
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:{foo:"abcde"}});
});
});
it('send a payload of 0 as the body of a POST as text/plain', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"POST",ret:"obj",url:getTestURL('/postInspect')},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('payload');
msg.payload.body.should.eql('0');
msg.payload.headers.should.have.property('content-length','1');
msg.payload.headers.should.have.property('content-type').which.startWith('text/plain');
msg.should.have.property('statusCode',200);
msg.should.have.property('headers');
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:0, headers: { 'content-type': 'text/plain'}});
});
});
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it('send an Object payload as the body of a POST', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"POST",ret:"obj",url:getTestURL('/postInspect')},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('payload');
msg.payload.body.should.eql('{"foo":"abcde"}');
msg.payload.headers.should.have.property('content-type').which.startWith('text/plain');
msg.should.have.property('statusCode',200);
msg.should.have.property('headers');
msg.headers.should.have.property('content-type').which.startWith('application/json');
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:{foo:"abcde"}, headers: { 'content-type': 'text/plain'}});
});
})
it('send a Buffer as the body of a POST', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"POST",ret:"obj",url:getTestURL('/postInspect')},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('payload');
msg.payload.body.should.eql('hello');
msg.payload.headers.should.have.property('content-type').which.startWith('text/plain');
msg.should.have.property('statusCode',200);
msg.should.have.property('headers');
msg.headers.should.have.property('content-type').which.startWith('application/json');
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:new Buffer('hello'), headers: { 'content-type': 'text/plain'}});
});
})
it('send a Buffer as the body of a POST', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"POST",ret:"obj",url:getTestURL('/postInspect')},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('payload');
msg.payload.body.should.eql('hello');
msg.payload.headers.should.have.property('content-type').which.startWith('text/plain');
msg.should.have.property('statusCode',200);
msg.should.have.property('headers');
msg.headers.should.have.property('content-type').which.startWith('application/json');
done();
} catch(err) {
done(err);
}
});
n1.receive({payload:new Buffer('hello'), headers: { 'content-type': 'text/plain'}});
});
})
it('ignores unmodified msg.headers property', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"POST",ret:"obj",url:getTestURL('/postInspect')},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.payload.headers.should.have.property('content-type').which.startWith('application/json');
msg.payload.headers.should.not.have.property('x-node-red-request-node');
done();
} catch(err) {
done(err);
}
});
// Pass in a headers property with an unmodified x-node-red-request-node hash
// This should cause the node to ignore the headers
n1.receive({payload:{foo:"bar"}, headers: { 'content-type': 'text/plain', "x-node-red-request-node":"67690139"}});
});
})
it('uses modified msg.headers property', function(done) {
var flow = [{id:"n1",type:"http request",wires:[["n2"]],method:"POST",ret:"obj",url:getTestURL('/postInspect')},
{id:"n2", type:"helper"}];
helper.load(httpRequestNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.payload.headers.should.have.property('content-type').which.startWith('text/plain');
msg.payload.headers.should.not.have.property('x-node-red-request-node');
done();
} catch(err) {
done(err);
}
});
// Pass in a headers property with a x-node-red-request-node hash that doesn't match the contents
// This should cause the node to use the headers
n1.receive({payload:{foo:"bar"}, headers: { 'content-type': 'text/plain', "x-node-red-request-node":"INVALID_SUM"}});
});
})
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});