/**
* Copyright 2014 IBM Corp.
*
* 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 should = require("should");
var request = require('supertest');
var express = require('express');
var sinon = require('sinon');
var when = require('when');
var app = express();
var redNodes = require("../../../red/nodes");
var server = require("../../../red/server");
var settings = require("../../../red/settings");
var nodes = require("../../../red/api/nodes");
describe("nodes api", function() {
var app;
before(function() {
app = express();
app.use(express.json());
app.get("/nodes",nodes.getAll);
app.post("/nodes",nodes.post);
app.get("/nodes/:mod",nodes.getModule);
app.get("/nodes/:mod/:set",nodes.getSet);
app.put("/nodes/:mod",nodes.putModule);
app.put("/nodes/:mod/:set",nodes.putSet);
app.delete("/nodes/:id",nodes.delete);
});
describe('get nodes', function() {
it('returns node list', function(done) {
var getNodeList = sinon.stub(redNodes,'getNodeList', function() {
return [1,2,3];
});
request(app)
.get('/nodes')
.set('Accept', 'application/json')
.expect(200)
.end(function(err,res) {
getNodeList.restore();
if (err) {
throw err;
}
res.body.should.be.an.Array.and.have.lengthOf(3);
done();
});
});
it('returns node configs', function(done) {
var getNodeConfigs = sinon.stub(redNodes,'getNodeConfigs', function() {
return "";
});
request(app)
.get('/nodes')
.set('Accept', 'text/html')
.expect(200)
.expect("")
.end(function(err,res) {
getNodeConfigs.restore();
if (err) {
throw err;
}
done();
});
});
it('returns node module info', function(done) {
var getNodeInfo = sinon.stub(redNodes,'getModuleInfo', function(id) {
return {"node-red":{name:"node-red"}}[id];
});
request(app)
.get('/nodes/node-red')
.expect(200)
.end(function(err,res) {
getNodeInfo.restore();
if (err) {
throw err;
}
res.body.should.have.property("name","node-red");
done();
});
});
it('returns 404 for unknown module', function(done) {
var getNodeInfo = sinon.stub(redNodes,'getModuleInfo', function(id) {
return {"node-red":{name:"node-red"}}[id];
});
request(app)
.get('/nodes/node-blue')
.expect(404)
.end(function(err,res) {
getNodeInfo.restore();
if (err) {
throw err;
}
done();
});
});
it('returns individual node info', function(done) {
var getNodeInfo = sinon.stub(redNodes,'getNodeInfo', function(id) {
return {"node-red/123":{id:"node-red/123"}}[id];
});
request(app)
.get('/nodes/node-red/123')
.set('Accept', 'application/json')
.expect(200)
.end(function(err,res) {
getNodeInfo.restore();
if (err) {
throw err;
}
res.body.should.have.property("id","node-red/123");
done();
});
});
it('returns individual node configs', function(done) {
var getNodeConfig = sinon.stub(redNodes,'getNodeConfig', function(id) {
return {"node-red/123":""}[id];
});
request(app)
.get('/nodes/node-red/123')
.set('Accept', 'text/html')
.expect(200)
.expect("")
.end(function(err,res) {
getNodeConfig.restore();
if (err) {
throw err;
}
done();
});
});
it('returns 404 for unknown node', function(done) {
var getNodeInfo = sinon.stub(redNodes,'getNodeInfo', function(id) {
return {"node-red/123":{id:"node-red/123"}}[id];
});
request(app)
.get('/nodes/node-red/456')
.set('Accept', 'application/json')
.expect(404)
.end(function(err,res) {
getNodeInfo.restore();
if (err) {
throw err;
}
done();
});
});
});
describe('install', function() {
it('returns 400 if settings are unavailable', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return false;
});
request(app)
.post('/nodes')
.expect(400)
.end(function(err,res) {
settingsAvailable.restore();
if (err) {
throw err;
}
done();
});
});
it('returns 400 if request is invalid', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
request(app)
.post('/nodes')
.send({})
.expect(400)
.end(function(err,res) {
settingsAvailable.restore();
if (err) {
throw err;
}
done();
});
});
describe('by module', function() {
it('installs the module and returns node info', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getNodeModuleInfo = sinon.stub(redNodes,'getNodeModuleInfo',function(id) {
return null;
});
var installModule = sinon.stub(server,'installModule', function() {
return when.resolve({id:"123"});
});
request(app)
.post('/nodes')
.send({module: 'foo'})
.expect(200)
.end(function(err,res) {
settingsAvailable.restore();
getNodeModuleInfo.restore();
installModule.restore();
if (err) {
throw err;
}
res.body.should.have.property("id","123");
done();
});
});
it('fails the install if already installed', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getNodeModuleInfo = sinon.stub(redNodes,'getNodeModuleInfo',function(id) {
return {id:"123"};
});
var installModule = sinon.stub(server,'installModule', function() {
return when.resolve({id:"123"});
});
request(app)
.post('/nodes')
.send({module: 'foo'})
.expect(400)
.end(function(err,res) {
settingsAvailable.restore();
getNodeModuleInfo.restore();
installModule.restore();
if (err) {
throw err;
}
done();
});
});
it('fails the install if module error', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getNodeModuleInfo = sinon.stub(redNodes,'getNodeModuleInfo',function(id) {
return null;
});
var installModule = sinon.stub(server,'installModule', function() {
return when.reject(new Error("test error"));
});
request(app)
.post('/nodes')
.send({module: 'foo'})
.expect(400)
.end(function(err,res) {
settingsAvailable.restore();
getNodeModuleInfo.restore();
installModule.restore();
if (err) {
throw err;
}
res.text.should.equal("Error: test error");
done();
});
});
it('fails the install if module not found', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getNodeModuleInfo = sinon.stub(redNodes,'getNodeModuleInfo',function(id) {
return null;
});
var installModule = sinon.stub(server,'installModule', function() {
var err = new Error("test error");
err.code = 404;
return when.reject(err);
});
request(app)
.post('/nodes')
.send({module: 'foo'})
.expect(404)
.end(function(err,res) {
settingsAvailable.restore();
getNodeModuleInfo.restore();
installModule.restore();
if (err) {
throw err;
}
done();
});
});
});
});
describe('delete', function() {
it('returns 400 if settings are unavailable', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return false;
});
request(app)
.del('/nodes/123')
.expect(400)
.end(function(err,res) {
settingsAvailable.restore();
if (err) {
throw err;
}
done();
});
});
describe('by module', function() {
it('uninstalls the module', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getNodeInfo = sinon.stub(redNodes,'getNodeInfo',function(id) {
return null;
});
var getNodeModuleInfo = sinon.stub(redNodes,'getNodeModuleInfo',function(id) {
return {id:"123"};
});
var uninstallModule = sinon.stub(server,'uninstallModule', function() {
return when.resolve({id:"123"});
});
request(app)
.del('/nodes/foo')
.expect(204)
.end(function(err,res) {
settingsAvailable.restore();
getNodeInfo.restore();
getNodeModuleInfo.restore();
uninstallModule.restore();
if (err) {
throw err;
}
done();
});
});
it('fails the uninstall if the module is not installed', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getNodeInfo = sinon.stub(redNodes,'getNodeInfo',function(id) {
return null;
});
var getNodeModuleInfo = sinon.stub(redNodes,'getNodeModuleInfo',function(id) {
return null;
});
request(app)
.del('/nodes/foo')
.expect(404)
.end(function(err,res) {
settingsAvailable.restore();
getNodeInfo.restore();
getNodeModuleInfo.restore();
if (err) {
throw err;
}
done();
});
});
it('fails the uninstall if the module is not installed', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getNodeInfo = sinon.stub(redNodes,'getNodeInfo',function(id) {
return null;
});
var getNodeModuleInfo = sinon.stub(redNodes,'getNodeModuleInfo',function(id) {
return {id:"123"};
});
var uninstallModule = sinon.stub(server,'uninstallModule', function() {
return when.reject(new Error("test error"));
});
request(app)
.del('/nodes/foo')
.expect(400)
.end(function(err,res) {
settingsAvailable.restore();
getNodeInfo.restore();
getNodeModuleInfo.restore();
uninstallModule.restore();
if (err) {
throw err;
}
res.text.should.equal("Error: test error");
done();
});
});
});
});
describe('enable/disable', function() {
it('returns 400 if settings are unavailable', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return false;
});
request(app)
.put('/nodes/123')
.expect(400)
.end(function(err,res) {
settingsAvailable.restore();
if (err) {
throw err;
}
done();
});
});
it('returns 400 for invalid node payload', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
request(app)
.put('/nodes/node-red/foo')
.send({})
.expect(400)
.end(function(err,res) {
settingsAvailable.restore();
if (err) {
throw err;
}
res.text.should.equal("Invalid request");
done();
});
});
it('returns 400 for invalid module payload', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
request(app)
.put('/nodes/foo')
.send({})
.expect(400)
.end(function(err,res) {
settingsAvailable.restore();
if (err) {
throw err;
}
res.text.should.equal("Invalid request");
done();
});
});
it('returns 404 for unknown node', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getNodeInfo = sinon.stub(redNodes,'getNodeInfo',function(id) {
return null;
});
request(app)
.put('/nodes/node-red/foo')
.send({enabled:false})
.expect(404)
.end(function(err,res) {
settingsAvailable.restore();
getNodeInfo.restore();
if (err) {
throw err;
}
done();
});
});
it('returns 404 for unknown module', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getModuleInfo = sinon.stub(redNodes,'getModuleInfo',function(id) {
return null;
});
request(app)
.put('/nodes/node-blue')
.send({enabled:false})
.expect(404)
.end(function(err,res) {
settingsAvailable.restore();
getModuleInfo.restore();
if (err) {
throw err;
}
done();
});
});
it('enables disabled node', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getNodeInfo = sinon.stub(redNodes,'getNodeInfo',function(id) {
return {id:"123",enabled: false};
});
var enableNode = sinon.stub(redNodes,'enableNode',function(id) {
return {id:"123",enabled: true,types:['a']};
});
request(app)
.put('/nodes/node-red/foo')
.send({enabled:true})
.expect(200)
.end(function(err,res) {
settingsAvailable.restore();
getNodeInfo.restore();
enableNode.restore();
if (err) {
throw err;
}
res.body.should.have.property("id","123");
res.body.should.have.property("enabled",true);
done();
});
});
it('disables enabled node', function(done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getNodeInfo = sinon.stub(redNodes,'getNodeInfo',function(id) {
return {id:"123",enabled: true};
});
var disableNode = sinon.stub(redNodes,'disableNode',function(id) {
return {id:"123",enabled: false,types:['a']};
});
request(app)
.put('/nodes/node-red/foo')
.send({enabled:false})
.expect(200)
.end(function(err,res) {
settingsAvailable.restore();
getNodeInfo.restore();
disableNode.restore();
if (err) {
throw err;
}
res.body.should.have.property("id","123");
res.body.should.have.property("enabled",false);
done();
});
});
describe('no-ops if already in the right state', function() {
function run(state,done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getNodeInfo = sinon.stub(redNodes,'getNodeInfo',function(id) {
return {id:"123",enabled: state};
});
var enableNode = sinon.stub(redNodes,'enableNode',function(id) {
return {id:"123",enabled: true,types:['a']};
});
var disableNode = sinon.stub(redNodes,'disableNode',function(id) {
return {id:"123",enabled: false,types:['a']};
});
request(app)
.put('/nodes/node-red/foo')
.send({enabled:state})
.expect(200)
.end(function(err,res) {
settingsAvailable.restore();
getNodeInfo.restore();
var enableNodeCalled = enableNode.called;
var disableNodeCalled = disableNode.called;
enableNode.restore();
disableNode.restore();
if (err) {
throw err;
}
enableNodeCalled.should.be.false;
disableNodeCalled.should.be.false;
res.body.should.have.property("id","123");
res.body.should.have.property("enabled",state);
done();
});
}
it('already enabled', function(done) {
run(true,done);
});
it('already disabled', function(done) {
run(false,done);
});
});
describe('does not no-op if err on node', function() {
function run(state,done) {
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getNodeInfo = sinon.stub(redNodes,'getNodeInfo',function(id) {
return {id:"123",enabled: state, err:"foo" };
});
var enableNode = sinon.stub(redNodes,'enableNode',function(id) {
return {id:"123",enabled: true,types:['a']};
});
var disableNode = sinon.stub(redNodes,'disableNode',function(id) {
return {id:"123",enabled: false,types:['a']};
});
request(app)
.put('/nodes/node-red/foo')
.send({enabled:state})
.expect(200)
.end(function(err,res) {
settingsAvailable.restore();
getNodeInfo.restore();
var enableNodeCalled = enableNode.called;
var disableNodeCalled = disableNode.called;
enableNode.restore();
disableNode.restore();
if (err) {
throw err;
}
enableNodeCalled.should.be.equal(state);
disableNodeCalled.should.be.equal(!state);
res.body.should.have.property("id","123");
res.body.should.have.property("enabled",state);
done();
});
}
it('already enabled', function(done) {
run(true,done);
});
it('already disabled', function(done) {
run(false,done);
});
});
it('enables disabled module', function(done) {
var n1 = {id:"123",enabled:false,types:['a']};
var n2 = {id:"456",enabled:false,types:['b']};
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getModuleInfo = sinon.stub(redNodes,'getModuleInfo',function(name) {
return {name:"node-red", nodes:[n1, n2]};
});
var enableNode = sinon.stub(redNodes,'enableNode');
enableNode.onFirstCall().returns((function() {
n1.enabled = true;
return n1;
})());
enableNode.onSecondCall().returns((function() {
n2.enabled = true;
return n2;
})());
enableNode.returns(null);
request(app)
.put('/nodes/node-red')
.send({enabled:true})
.expect(200)
.end(function(err,res) {
settingsAvailable.restore();
getModuleInfo.restore();
enableNode.restore();
if (err) {
throw err;
}
res.body.should.have.property("name","node-red");
res.body.should.have.property("nodes");
res.body.nodes[0].should.have.property("enabled",true);
res.body.nodes[1].should.have.property("enabled",true);
done();
});
});
it('disables enabled module', function(done) {
var n1 = {id:"123",enabled:true,types:['a']};
var n2 = {id:"456",enabled:true,types:['b']};
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getModuleInfo = sinon.stub(redNodes,'getModuleInfo',function(name) {
return {name:"node-red", nodes:[n1, n2]};
});
var disableNode = sinon.stub(redNodes,'disableNode');
disableNode.onFirstCall().returns((function() {
n1.enabled = false;
return n1;
})());
disableNode.onSecondCall().returns((function() {
n2.enabled = false;
return n2;
})());
disableNode.returns(null);
request(app)
.put('/nodes/node-red')
.send({enabled:false})
.expect(200)
.end(function(err,res) {
settingsAvailable.restore();
getModuleInfo.restore();
disableNode.restore();
if (err) {
throw err;
}
res.body.should.have.property("name","node-red");
res.body.should.have.property("nodes");
res.body.nodes[0].should.have.property("enabled",false);
res.body.nodes[1].should.have.property("enabled",false);
done();
});
});
describe('no-ops if a node in module already in the right state', function() {
function run(state,done) {
var node = {id:"123",enabled:state,types:['a']};
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getModuleInfo = sinon.stub(redNodes,'getModuleInfo',function(id) {
return {name:"node-red", nodes:[node]};
});
var enableNode = sinon.stub(redNodes,'enableNode',function(id) {
node.enabled = true;
return node;
});
var disableNode = sinon.stub(redNodes,'disableNode',function(id) {
node.enabled = false;
return node;
});
request(app)
.put('/nodes/node-red')
.send({enabled:state})
.expect(200)
.end(function(err,res) {
settingsAvailable.restore();
getModuleInfo.restore();
var enableNodeCalled = enableNode.called;
var disableNodeCalled = disableNode.called;
enableNode.restore();
disableNode.restore();
if (err) {
throw err;
}
enableNodeCalled.should.be.false;
disableNodeCalled.should.be.false;
res.body.should.have.property("name","node-red");
res.body.should.have.property("nodes");
res.body.nodes[0].should.have.property("enabled",state);
done();
});
}
it('already enabled', function(done) {
run(true,done);
});
it('already disabled', function(done) {
run(false,done);
});
});
describe('does not no-op if err on a node in module', function() {
function run(state,done) {
var node = {id:"123",enabled:state,types:['a'],err:"foo"};
var settingsAvailable = sinon.stub(settings,'available', function() {
return true;
});
var getModuleInfo = sinon.stub(redNodes,'getModuleInfo',function(id) {
return {name:"node-red", nodes:[node]};
});
var enableNode = sinon.stub(redNodes,'enableNode',function(id) {
node.enabled = true;
return node;
});
var disableNode = sinon.stub(redNodes,'disableNode',function(id) {
node.enabled = false;
return node;
});
request(app)
.put('/nodes/node-red')
.send({enabled:state})
.expect(200)
.end(function(err,res) {
settingsAvailable.restore();
getModuleInfo.restore();
var enableNodeCalled = enableNode.called;
var disableNodeCalled = disableNode.called;
enableNode.restore();
disableNode.restore();
if (err) {
throw err;
}
enableNodeCalled.should.be.equal(state);
disableNodeCalled.should.be.equal(!state);
res.body.should.have.property("name","node-red");
res.body.should.have.property("nodes");
res.body.nodes[0].should.have.property("enabled",state);
done();
});
}
it('already enabled', function(done) {
run(true,done);
});
it('already disabled', function(done) {
run(false,done);
});
});
});
});