mirror of
https://github.com/node-red/node-red.git
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393 lines
16 KiB
JavaScript
393 lines
16 KiB
JavaScript
/**
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* Copyright 2014 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var should = require("should");
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var sinon = require("sinon");
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var path = require("path");
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var RedNodes = require("../../../red/nodes");
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var RedNode = require("../../../red/nodes/Node");
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var typeRegistry = require("../../../red/nodes/registry");
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var events = require("../../../red/events");
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afterEach(function() {
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typeRegistry.clear();
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});
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describe('NodeRegistry', function() {
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var resourcesDir = __dirname+ path.sep + "resources" + path.sep;
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it('automatically registers new nodes',function() {
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var testNode = RedNodes.getNode('123');
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should.not.exist(n);
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var n = new RedNode({id:'123',type:'abc'});
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var newNode = RedNodes.getNode('123');
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should.strictEqual(n,newNode);
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});
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it('handles nodes that export a function', function(done) {
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typeRegistry.init({});
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typeRegistry.load(resourcesDir + "TestNode1",true).then(function() {
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var list = typeRegistry.getNodeList();
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list.should.be.an.Array.and.have.lengthOf(1);
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list[0].should.have.property("id");
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list[0].should.have.property("name","TestNode1.js");
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list[0].should.have.property("types",["test-node-1"]);
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list[0].should.have.property("enabled",true);
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list[0].should.not.have.property("err");
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var nodeConstructor = typeRegistry.get("test-node-1");
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(typeof nodeConstructor).should.be.equal("function");
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done();
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}).catch(function(e) {
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done(e);
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});
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});
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it('handles nodes that export a function returning a resolving promise', function(done) {
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typeRegistry.init({});
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typeRegistry.load(resourcesDir + "TestNode2",true).then(function() {
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var list = typeRegistry.getNodeList();
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list.should.be.an.Array.and.have.lengthOf(1);
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list[0].should.have.property("id");
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list[0].should.have.property("name","TestNode2.js");
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list[0].should.have.property("types",["test-node-2"]);
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list[0].should.have.property("enabled",true);
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list[0].should.not.have.property("err");
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var nodeConstructor = typeRegistry.get("test-node-2");
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(typeof nodeConstructor).should.be.equal("function");
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done();
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}).catch(function(e) {
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done(e);
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});
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});
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it('handles nodes that export a function returning a rejecting promise', function(done) {
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typeRegistry.init({});
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typeRegistry.load(resourcesDir + "TestNode3",true).then(function() {
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var list = typeRegistry.getNodeList();
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list.should.be.an.Array.and.have.lengthOf(1);
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list[0].should.have.property("id");
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list[0].should.have.property("name","TestNode3.js");
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list[0].should.have.property("types",["test-node-3"]);
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list[0].should.have.property("enabled",false);
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list[0].should.have.property("err","fail");
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var nodeConstructor = typeRegistry.get("test-node-3");
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(typeof nodeConstructor).should.be.equal("undefined");
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done();
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}).catch(function(e) {
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done(e);
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});
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});
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it('handles files containing multiple nodes', function(done) {
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typeRegistry.init({});
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typeRegistry.load(resourcesDir + "MultipleNodes1",true).then(function() {
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var list = typeRegistry.getNodeList();
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list.should.be.an.Array.and.have.lengthOf(1);
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list[0].should.have.property("id");
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list[0].should.have.property("name","MultipleNodes1.js");
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list[0].should.have.property("types",["test-node-multiple-1a","test-node-multiple-1b"]);
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list[0].should.have.property("enabled",true);
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list[0].should.not.have.property("err");
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var nodeConstructor = typeRegistry.get("test-node-multiple-1a");
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(typeof nodeConstructor).should.be.equal("function");
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nodeConstructor = typeRegistry.get("test-node-multiple-1b");
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(typeof nodeConstructor).should.be.equal("function");
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done();
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}).catch(function(e) {
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done(e);
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});
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});
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it('handles nested directories', function(done) {
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typeRegistry.init({});
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typeRegistry.load(resourcesDir + "NestedDirectoryNode",true).then(function() {
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var list = typeRegistry.getNodeList();
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list.should.be.an.Array.and.have.lengthOf(1);
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list[0].should.have.property("id");
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list[0].should.have.property("name","NestedNode.js");
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list[0].should.have.property("types",["nested-node-1"]);
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list[0].should.have.property("enabled",true);
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list[0].should.not.have.property("err");
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done();
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}).catch(function(e) {
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done(e);
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});
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});
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it('emits type-registered and node-icon-dir events', function(done) {
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var eventEmitSpy = sinon.spy(events,"emit");
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typeRegistry.init({});
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typeRegistry.load(resourcesDir + "NestedDirectoryNode",true).then(function() {
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var list = typeRegistry.getNodeList();
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list.should.be.an.Array.and.have.lengthOf(1);
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list[0].should.have.property("name","NestedNode.js");
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list[0].should.have.property("types",["nested-node-1"]);
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list[0].should.have.property("enabled",true);
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list[0].should.not.have.property("err");
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eventEmitSpy.callCount.should.equal(2);
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eventEmitSpy.firstCall.args[0].should.be.equal("node-icon-dir");
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eventEmitSpy.firstCall.args[1].should.be.equal(
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resourcesDir + "NestedDirectoryNode" + path.sep + "NestedNode" + path.sep + "icons");
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eventEmitSpy.secondCall.args[0].should.be.equal("type-registered");
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eventEmitSpy.secondCall.args[1].should.be.equal("nested-node-1");
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done();
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}).catch(function(e) {
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done(e);
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}).finally(function() {
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eventEmitSpy.restore();
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});
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});
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it('rejects a duplicate node type registration', function(done) {
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typeRegistry.init({
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nodesDir:[resourcesDir + "TestNode1",resourcesDir + "DuplicateTestNode"]
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});
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typeRegistry.load("wontexist",true).then(function() {
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var list = typeRegistry.getNodeList();
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list.should.be.an.Array.and.have.lengthOf(2);
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list[0].should.have.property("id");
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list[0].should.have.property("name","TestNode1.js");
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list[0].should.have.property("types",["test-node-1"]);
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list[0].should.have.property("enabled",true);
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list[0].should.not.have.property("err");
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list[1].should.have.property("id");
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list[1].id.should.not.equal(list[0].id);
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list[1].should.have.property("name","TestNode1.js");
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list[1].should.have.property("types",["test-node-1"]);
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list[1].should.have.property("enabled",false);
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list[1].should.have.property("err");
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/already registered/.test(list[1].err).should.be.true;
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var nodeConstructor = typeRegistry.get("test-node-1");
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// Verify the duplicate node hasn't replaced the original one
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nodeConstructor.name.should.be.equal("TestNode");
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done();
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}).catch(function(e) {
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done(e);
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});
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});
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it('handles nodesDir as a string', function(done) {
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var settings = {
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nodesDir :resourcesDir + "TestNode1"
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}
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typeRegistry.init(settings);
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typeRegistry.load("wontexist",true).then(function(){
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var list = typeRegistry.getNodeList();
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list.should.be.an.Array.and.have.lengthOf(1);
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list[0].should.have.property("types",["test-node-1"]);
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done();
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}).catch(function(e) {
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done("Loading of non-existing nodesDir should succeed");
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});
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});
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it('handles invalid nodesDir',function(done) {
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var settings = {
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nodesDir : "wontexist"
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}
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typeRegistry.init(settings);
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typeRegistry.load("wontexist",true).then(function(){
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var list = typeRegistry.getNodeList();
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list.should.be.an.Array.and.be.empty;
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done();
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}).catch(function(e) {
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done("Loading of non-existing nodesDir should succeed");
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});
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});
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it('returns nothing for an unregistered type config', function() {
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typeRegistry.init({});
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typeRegistry.load("wontexist",true).then(function(){
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var config = typeRegistry.getNodeConfig("imaginary-shark");
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(config === null).should.be.true;
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}).catch(function(e) {
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done(e);
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});
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});
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it('excludes node files listed in nodesExcludes',function(done) {
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typeRegistry.init({
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nodesExcludes: [ "TestNode1.js" ],
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nodesDir:[resourcesDir + "TestNode1",resourcesDir + "TestNode2"]
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});
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typeRegistry.load("wontexist",true).then(function() {
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var list = typeRegistry.getNodeList();
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list.should.be.an.Array.and.have.lengthOf(1);
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list[0].should.have.property("types",["test-node-2"]);
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done();
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}).catch(function(e) {
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done(e);
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});
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});
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it('returns the node configurations', function(done) {
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typeRegistry.init({
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nodesDir:[resourcesDir + "TestNode1",resourcesDir + "TestNode2"]
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});
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typeRegistry.load("wontexist",true).then(function() {
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var list = typeRegistry.getNodeList();
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var nodeConfigs = typeRegistry.getNodeConfigs();
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// TODO: this is brittle...
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nodeConfigs.should.equal("<script type=\"text/x-red\" data-template-name=\"test-node-1\"></script><script type=\"text/x-red\" data-help-name=\"test-node-1\"></script><style></style><script type=\"text/x-red\" data-template-name=\"test-node-2\"></script><script type=\"text/x-red\" data-help-name=\"test-node-2\"></script><style></style><script type=\"text/javascript\">RED.nodes.registerType(\"test-node-1\",{}),RED.nodes.registerType(\"test-node-2\",{});</script>");
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var nodeId = list[0].id;
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var nodeConfig = typeRegistry.getNodeConfig(nodeId);
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nodeConfig.should.equal("<script type=\"text/x-red\" data-template-name=\"test-node-1\"></script><script type=\"text/x-red\" data-help-name=\"test-node-1\"></script><style></style><script type=\"text/javascript\">RED.nodes.registerType('test-node-1',{});</script>");
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done();
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}).catch(function(e) {
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done(e);
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});
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});
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it('allows nodes to be added', function(done) {
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typeRegistry.init({});
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typeRegistry.load("wontexist",true).then(function(){
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var list = typeRegistry.getNodeList();
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list.should.be.an.Array.and.be.empty;
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typeRegistry.loadNode(resourcesDir + "TestNode1/TestNode1.js").then(function(node) {
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list = typeRegistry.getNodeList();
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list[0].should.have.property("id");
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list[0].should.have.property("name","TestNode1.js");
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list[0].should.have.property("types",["test-node-1"]);
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list[0].should.have.property("enabled",true);
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list[0].should.not.have.property("err");
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node.should.eql(list[0]);
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done();
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}).catch(function(e) {
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done(e);
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});
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}).catch(function(e) {
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done(e);
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});
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});
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it('rejects adding duplicate nodes', function(done) {
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typeRegistry.init({});
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typeRegistry.load(resourcesDir + "TestNode1",true).then(function(){
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var list = typeRegistry.getNodeList();
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list.should.be.an.Array.and.have.lengthOf(1);
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typeRegistry.loadNode(resourcesDir + "TestNode1" + path.sep + "TestNode1.js").then(function(node) {
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done(new Error("duplicate node loaded"));
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}).otherwise(function(e) {
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var list = typeRegistry.getNodeList();
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list.should.be.an.Array.and.have.lengthOf(1);
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done();
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});
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}).catch(function(e) {
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done(e);
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});
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});
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it('scans the node_modules path for node files', function(done) {
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var fs = require("fs");
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var path = require("path");
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var eventEmitSpy = sinon.spy(events,"emit");
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var pathJoin = (function() {
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var _join = path.join;
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return sinon.stub(path,"join",function() {
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if (arguments.length == 3 && arguments[2] == "package.json") {
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return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1],arguments[2]);
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}
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if (arguments.length == 2 && arguments[1] == "TestNodeModule") {
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return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1]);
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}
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return _join.apply(this,arguments);
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});
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})();
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var readdirSync = (function() {
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var originalReaddirSync = fs.readdirSync;
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var callCount = 0;
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return sinon.stub(fs,"readdirSync",function(dir) {
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var result = [];
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if (callCount == 1) {
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result = originalReaddirSync(resourcesDir + "TestNodeModule" + path.sep + "node_modules");
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}
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callCount++;
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return result;
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});
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})();
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typeRegistry.init({});
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typeRegistry.load("wontexist",false).then(function(){
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var list = typeRegistry.getNodeList();
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list.should.be.an.Array.and.have.lengthOf(1);
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list[0].should.have.property("id");
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list[0].should.have.property("name","TestNodeModule:TestNodeMod1");
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list[0].should.have.property("types",["test-node-mod-1"]);
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list[0].should.have.property("enabled",true);
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list[0].should.not.have.property("err");
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eventEmitSpy.callCount.should.equal(2);
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eventEmitSpy.firstCall.args[0].should.be.equal("node-icon-dir");
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eventEmitSpy.firstCall.args[1].should.be.equal(
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resourcesDir + "TestNodeModule" + path.sep+ "node_modules" + path.sep + "TestNodeModule" + path.sep + "icons");
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eventEmitSpy.secondCall.args[0].should.be.equal("type-registered");
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eventEmitSpy.secondCall.args[1].should.be.equal("test-node-mod-1");
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done();
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}).catch(function(e) {
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done(e);
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}).finally(function() {
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readdirSync.restore();
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pathJoin.restore();
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eventEmitSpy.restore();
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});
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});
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});
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