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node-red/test/red/runtime/nodes/index_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.
**/
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var should = require("should");
var fs = require('fs-extra');
var path = require('path');
var when = require("when");
var sinon = require('sinon');
var inherits = require("util").inherits;
var index = require("../../../../red/runtime/nodes/index");
var flows = require("../../../../red/runtime/nodes/flows");
var registry = require("../../../../red/runtime-registry");
var Node = require("../../../../red/runtime/nodes/Node");
describe("red/nodes/index", function() {
before(function() {
sinon.stub(index,"startFlows");
process.env.NODE_RED_HOME = path.resolve(path.join(__dirname,"..","..","..",".."))
});
after(function() {
index.startFlows.restore();
delete process.env.NODE_RED_HOME;
});
afterEach(function() {
index.clearRegistry();
});
process.env.foo="bar";
var testFlows = [{"type":"test","id":"tab1","label":"Sheet 1"}];
var testCredentials = {"tab1":{"b":1, "c":"2", "d":"$(foo)"}};
var storage = {
getFlows: function() {
return when({red:123,flows:testFlows,credentials:testCredentials});
},
saveFlows: function(conf) {
should.deepEqual(testFlows, conf.flows);
return when.resolve(123);
}
};
var settings = {
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available: function() { return false },
get: function() { return false }
};
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var EventEmitter = require('events').EventEmitter;
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var runtime = {
settings: settings,
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storage: storage,
log: {debug:function() {}, warn:function() {}},
events: new EventEmitter()
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};
function TestNode(n) {
index.createNode(this, n);
var node = this;
this.on("log", function() {
// do nothing
});
}
it('nodes are initialised with credentials',function(done) {
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index.init(runtime);
index.registerType('test-node-set','test', TestNode);
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index.loadFlows().then(function() {
var testnode = new TestNode({id:'tab1',type:'test',name:'barney'});
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testnode.credentials.should.have.property('b',1);
testnode.credentials.should.have.property('c',"2");
testnode.credentials.should.have.property('d',"bar");
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done();
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}).catch(function(err) {
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done(err);
});
});
it('flows should be initialised',function(done) {
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index.init(runtime);
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index.loadFlows().then(function() {
// console.log(testFlows);
// console.log(index.getFlows());
should.deepEqual(testFlows, index.getFlows().flows);
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done();
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}).catch(function(err) {
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done(err);
});
});
describe("registerType", function() {
describe("logs deprecated usage", function() {
before(function() {
sinon.stub(registry,"registerType");
});
after(function() {
registry.registerType.restore();
});
it("called without node-set name", function() {
var runtime = {
settings: settings,
storage: storage,
log: {debug:function() {}, warn:sinon.spy()},
events: new EventEmitter()
}
index.init(runtime);
index.registerType(/*'test-node-set',*/'test', TestNode, {});
runtime.log.warn.called.should.be.true();
registry.registerType.called.should.be.true();
registry.registerType.firstCall.args[0].should.eql('');
registry.registerType.firstCall.args[1].should.eql('test');
registry.registerType.firstCall.args[2].should.eql(TestNode);
});
});
describe("extends constructor with Node constructor", function() {
var TestNodeConstructor;
before(function() {
sinon.stub(registry,"registerType");
});
after(function() {
registry.registerType.restore();
});
beforeEach(function() {
TestNodeConstructor = function TestNodeConstructor() {};
var runtime = {
settings: settings,
storage: storage,
log: {debug:function() {}, warn:sinon.spy()},
events: new EventEmitter()
}
index.init(runtime);
})
it('extends a constructor with the Node constructor', function() {
TestNodeConstructor.prototype.should.not.be.an.instanceOf(Node);
index.registerType('node-set','node-type',TestNodeConstructor);
TestNodeConstructor.prototype.should.be.an.instanceOf(Node);
});
it('does not override a constructor prototype', function() {
function Foo(){};
inherits(TestNodeConstructor,Foo);
TestNodeConstructor.prototype.should.be.an.instanceOf(Foo);
TestNodeConstructor.prototype.should.not.be.an.instanceOf(Node);
index.registerType('node-set','node-type',TestNodeConstructor);
TestNodeConstructor.prototype.should.be.an.instanceOf(Node);
TestNodeConstructor.prototype.should.be.an.instanceOf(Foo);
index.registerType('node-set','node-type2',TestNodeConstructor);
TestNodeConstructor.prototype.should.be.an.instanceOf(Node);
TestNodeConstructor.prototype.should.be.an.instanceOf(Foo);
});
});
describe("register credentials definition", function() {
var http = require('http');
var express = require('express');
var app = express();
var runtime = require("../../../../red/runtime");
var credentials = require("../../../../red/runtime/nodes/credentials");
var localfilesystem = require("../../../../red/runtime/storage/localfilesystem");
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var log = require("../../../../red/util/log");
var RED = require("../../../../red/red.js");
var userDir = path.join(__dirname,".testUserHome");
before(function(done) {
sinon.stub(log,"log",function(){});
fs.remove(userDir,function(err) {
fs.mkdir(userDir,function() {
sinon.stub(index, 'load', function() {
return when.promise(function(resolve,reject){
resolve([]);
});
});
sinon.stub(localfilesystem, 'getCredentials', function() {
return when.promise(function(resolve,reject) {
resolve({"tab1":{"b":1,"c":2}});
});
}) ;
RED.init(http.createServer(function(req,res){app(req,res)}),
{userDir: userDir});
runtime.start().then(function () {
done();
});
});
});
});
after(function(done) {
fs.remove(userDir,function() {
runtime.stop().then(function() {
index.load.restore();
localfilesystem.getCredentials.restore();
log.log.restore();
done();
});
});
});
it('definition defined',function() {
index.registerType('test-node-set','test', TestNode, {
credentials: {
foo: {type:"test"}
}
});
var testnode = new TestNode({id:'tab1',type:'test',name:'barney', '_alias':'tab1'});
index.getCredentialDefinition("test").should.have.property('foo');
});
});
describe("register settings definition", function() {
beforeEach(function() {
sinon.stub(registry,"registerType");
})
afterEach(function() {
registry.registerType.restore();
})
it('registers valid settings',function() {
var runtime = {
settings: settings,
storage: storage,
log: {debug:function() {}, warn:function() {}},
events: new EventEmitter()
}
runtime.settings.registerNodeSettings = sinon.spy();
index.init(runtime);
index.registerType('test-node-set','test', TestNode, {
settings: {
testOne: {}
}
});
runtime.settings.registerNodeSettings.called.should.be.true();
runtime.settings.registerNodeSettings.firstCall.args[0].should.eql('test');
runtime.settings.registerNodeSettings.firstCall.args[1].should.eql({testOne: {}});
});
it('logs invalid settings',function() {
var runtime = {
settings: settings,
storage: storage,
log: {debug:function() {}, warn:sinon.spy()},
events: new EventEmitter()
}
runtime.settings.registerNodeSettings = function() { throw new Error("pass");}
index.init(runtime);
index.registerType('test-node-set','test', TestNode, {
settings: {
testOne: {}
}
});
runtime.log.warn.called.should.be.true();
});
});
});
describe('allows nodes to be added/removed/enabled/disabled from the registry', function() {
var randomNodeInfo = {id:"5678",types:["random"]};
beforeEach(function() {
sinon.stub(registry,"getNodeInfo",function(id) {
if (id == "test") {
return {id:"1234",types:["test"]};
} else if (id == "doesnotexist") {
return null;
} else {
return randomNodeInfo;
}
});
sinon.stub(registry,"disableNode",function(id) {
return when.resolve(randomNodeInfo);
});
});
afterEach(function() {
registry.getNodeInfo.restore();
registry.disableNode.restore();
});
it('allows an unused node type to be disabled',function(done) {
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index.init(runtime);
index.registerType('test-node-set','test', TestNode);
index.loadFlows().then(function() {
return index.disableNode("5678").then(function(info) {
registry.disableNode.calledOnce.should.be.true();
registry.disableNode.calledWith("5678").should.be.true();
info.should.eql(randomNodeInfo);
done();
});
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}).catch(function(err) {
done(err);
});
});
it('prevents disabling a node type that is in use',function(done) {
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index.init(runtime);
index.registerType('test-node-set','test', TestNode);
index.loadFlows().then(function() {
/*jshint immed: false */
(function() {
index.disabledNode("test");
}).should.throw();
done();
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}).catch(function(err) {
done(err);
});
});
it('prevents disabling a node type that is unknown',function(done) {
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index.init(runtime);
index.registerType('test-node-set','test', TestNode);
index.loadFlows().then(function() {
/*jshint immed: false */
(function() {
index.disableNode("doesnotexist");
}).should.throw();
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done();
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}).catch(function(err) {
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done(err);
});
});
});
describe('allows modules to be removed from the registry', function() {
var randomNodeInfo = {id:"5678",types:["random"]};
var randomModuleInfo = {
name:"random",
nodes: [randomNodeInfo]
};
before(function() {
sinon.stub(registry,"getNodeInfo",function(id) {
if (id == "node-red/foo") {
return {id:"1234",types:["test"]};
} else if (id == "doesnotexist") {
return null;
} else {
return randomNodeInfo;
}
});
sinon.stub(registry,"getModuleInfo",function(module) {
if (module == "node-red") {
return {nodes:[{name:"foo"}]};
} else if (module == "doesnotexist") {
return null;
} else {
return randomModuleInfo;
}
});
sinon.stub(registry,"removeModule",function(id) {
return randomModuleInfo;
});
});
after(function() {
registry.getNodeInfo.restore();
registry.getModuleInfo.restore();
registry.removeModule.restore();
});
it('prevents removing a module that is in use',function(done) {
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index.init(runtime);
index.registerType('test-node-set','test', TestNode);
index.loadFlows().then(function() {
/*jshint immed: false */
(function() {
index.removeModule("node-red");
}).should.throw();
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done();
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}).catch(function(err) {
done(err);
});
});
it('prevents removing a module that is unknown',function(done) {
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index.init(runtime);
index.registerType('test-node-set','test', TestNode);
index.loadFlows().then(function() {
/*jshint immed: false */
(function() {
index.removeModule("doesnotexist");
}).should.throw();
done();
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}).catch(function(err) {
done(err);
});
});
});
});