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node-red/test/red/nodes/registry_spec.js

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2014-05-03 23:26:35 +02:00
/**
* 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.
**/
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var should = require("should");
var sinon = require("sinon");
var path = require("path");
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var RedNodes = require("../../../red/nodes");
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var RedNode = require("../../../red/nodes/Node");
var typeRegistry = require("../../../red/nodes/registry");
var events = require("../../../red/events");
afterEach(function() {
typeRegistry.clear();
});
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describe('NodeRegistry', function() {
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');
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');
should.strictEqual(n,newNode);
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});
it('handles nodes that export a function', function(done) {
typeRegistry.init({});
typeRegistry.load(resourcesDir + "TestNode1",true).then(function() {
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(1);
list[0].should.have.property("id");
list[0].should.have.property("name","TestNode1.js");
list[0].should.have.property("types",["test-node-1"]);
list[0].should.have.property("enabled",true);
list[0].should.not.have.property("err");
var nodeConstructor = typeRegistry.get("test-node-1");
nodeConstructor.should.be.type("function");
done();
}).catch(function(e) {
done(e);
});
});
it('handles nodes that export a function returning a resolving promise', function(done) {
typeRegistry.init({});
typeRegistry.load(resourcesDir + "TestNode2",true).then(function() {
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(1);
list[0].should.have.property("id");
list[0].should.have.property("name","TestNode2.js");
list[0].should.have.property("types",["test-node-2"]);
list[0].should.have.property("enabled",true);
list[0].should.not.have.property("err");
var nodeConstructor = typeRegistry.get("test-node-2");
nodeConstructor.should.be.type("function");
done();
}).catch(function(e) {
done(e);
});
});
it('handles nodes that export a function returning a rejecting promise', function(done) {
typeRegistry.init({});
typeRegistry.load(resourcesDir + "TestNode3",true).then(function() {
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(1);
list[0].should.have.property("id");
list[0].should.have.property("name","TestNode3.js");
list[0].should.have.property("types",["test-node-3"]);
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");
(nodeConstructor === null).should.be.true;
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done();
}).catch(function(e) {
done(e);
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});
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});
it('handles files containing multiple nodes', function(done) {
typeRegistry.init({});
typeRegistry.load(resourcesDir + "MultipleNodes1",true).then(function() {
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(1);
list[0].should.have.property("id");
list[0].should.have.property("name","MultipleNodes1.js");
list[0].should.have.property("types",["test-node-multiple-1a","test-node-multiple-1b"]);
list[0].should.have.property("enabled",true);
list[0].should.not.have.property("err");
var nodeConstructor = typeRegistry.get("test-node-multiple-1a");
nodeConstructor.should.be.type("function");
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nodeConstructor = typeRegistry.get("test-node-multiple-1b");
nodeConstructor.should.be.type("function");
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done();
}).catch(function(e) {
done(e);
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});
});
it('handles nested directories', function(done) {
typeRegistry.init({});
typeRegistry.load(resourcesDir + "NestedDirectoryNode",true).then(function() {
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(1);
list[0].should.have.property("id");
list[0].should.have.property("name","NestedNode.js");
list[0].should.have.property("types",["nested-node-1"]);
list[0].should.have.property("enabled",true);
list[0].should.not.have.property("err");
done();
}).catch(function(e) {
done(e);
});
});
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it('emits type-registered and node-icon-dir events', function(done) {
var eventEmitSpy = sinon.spy(events,"emit");
typeRegistry.init({});
typeRegistry.load(resourcesDir + "NestedDirectoryNode",true).then(function() {
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(1);
list[0].should.have.property("name","NestedNode.js");
list[0].should.have.property("types",["nested-node-1"]);
list[0].should.have.property("enabled",true);
list[0].should.not.have.property("err");
eventEmitSpy.callCount.should.equal(2);
eventEmitSpy.firstCall.args[0].should.be.equal("node-icon-dir");
eventEmitSpy.firstCall.args[1].should.be.equal(
resourcesDir + "NestedDirectoryNode" + path.sep + "NestedNode" + path.sep + "icons");
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eventEmitSpy.secondCall.args[0].should.be.equal("type-registered");
eventEmitSpy.secondCall.args[1].should.be.equal("nested-node-1");
done();
}).catch(function(e) {
done(e);
}).finally(function() {
eventEmitSpy.restore();
});
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});
it('rejects a duplicate node type registration', function(done) {
typeRegistry.init({
nodesDir:[resourcesDir + "TestNode1",resourcesDir + "DuplicateTestNode"]
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});
typeRegistry.load("wontexist",true).then(function() {
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(2);
list[0].should.have.property("id");
list[0].should.have.property("name","TestNode1.js");
list[0].should.have.property("types",["test-node-1"]);
list[0].should.have.property("enabled",true);
list[0].should.not.have.property("err");
list[1].should.have.property("id");
list[1].id.should.not.equal(list[0].id);
list[1].should.have.property("name","TestNode1.js");
list[1].should.have.property("types",["test-node-1"]);
list[1].should.have.property("enabled",false);
list[1].should.have.property("err");
/already registered/.test(list[1].err).should.be.true;
var nodeConstructor = typeRegistry.get("test-node-1");
// Verify the duplicate node hasn't replaced the original one
nodeConstructor.name.should.be.equal("TestNode");
done();
}).catch(function(e) {
done(e);
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});
});
it('handles nodesDir as a string', function(done) {
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var settings = {
nodesDir :resourcesDir + "TestNode1"
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}
typeRegistry.init(settings);
typeRegistry.load("wontexist",true).then(function(){
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(1);
list[0].should.have.property("types",["test-node-1"]);
done();
}).catch(function(e) {
done("Loading of non-existing nodesDir should succeed");
});
});
it('handles invalid nodesDir',function(done) {
var settings = {
nodesDir : "wontexist"
}
typeRegistry.init(settings);
typeRegistry.load("wontexist",true).then(function(){
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.be.empty;
done();
}).catch(function(e) {
done("Loading of non-existing nodesDir should succeed");
});
});
it('returns nothing for an unregistered type config', function() {
typeRegistry.init({});
typeRegistry.load("wontexist",true).then(function(){
var config = typeRegistry.getNodeConfig("imaginary-shark");
(config === null).should.be.true;
}).catch(function(e) {
done(e);
});
});
it('excludes node files listed in nodesExcludes',function(done) {
typeRegistry.init({
nodesExcludes: [ "TestNode1.js" ],
nodesDir:[resourcesDir + "TestNode1",resourcesDir + "TestNode2"]
});
typeRegistry.load("wontexist",true).then(function() {
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(1);
list[0].should.have.property("types",["test-node-2"]);
done();
}).catch(function(e) {
done(e);
});
});
it('returns the node configurations', function(done) {
typeRegistry.init({
nodesDir:[resourcesDir + "TestNode1",resourcesDir + "TestNode2"]
});
typeRegistry.load("wontexist",true).then(function() {
var list = typeRegistry.getNodeList();
var nodeConfigs = typeRegistry.getNodeConfigs();
// TODO: this is brittle...
nodeConfigs.should.equal("<script type=\"text/x-red\" data-template-name=\"test-node-1\"></script>\n<script type=\"text/x-red\" data-help-name=\"test-node-1\"></script>\n<script type=\"text/javascript\">RED.nodes.registerType('test-node-1',{});</script>\n<style></style>\n<p>this should be filtered out</p>\n<script type=\"text/x-red\" data-template-name=\"test-node-2\"></script>\n<script type=\"text/x-red\" data-help-name=\"test-node-2\"></script>\n<script type=\"text/javascript\">RED.nodes.registerType('test-node-2',{});</script>\n<style></style>\n");
var nodeId = list[0].id;
var nodeConfig = typeRegistry.getNodeConfig(nodeId);
nodeConfig.should.equal("<script type=\"text/x-red\" data-template-name=\"test-node-1\"></script>\n<script type=\"text/x-red\" data-help-name=\"test-node-1\"></script>\n<script type=\"text/javascript\">RED.nodes.registerType('test-node-1',{});</script>\n<style></style>\n<p>this should be filtered out</p>\n<script type=\"text/javascript\"></script>");
done();
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}).catch(function(e) {
done(e);
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});
});
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it('allows nodes to be added by filename', function(done) {
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typeRegistry.init({});
typeRegistry.load("wontexist",true).then(function(){
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var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.be.empty;
typeRegistry.addNode({file: resourcesDir + "TestNode1/TestNode1.js"}).then(function(node) {
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list = typeRegistry.getNodeList();
list[0].should.have.property("id");
list[0].should.have.property("name","TestNode1.js");
list[0].should.have.property("types",["test-node-1"]);
list[0].should.have.property("enabled",true);
list[0].should.not.have.property("err");
node.should.be.an.Array.and.have.lengthOf(1);
node.should.eql(list);
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done();
}).catch(function(e) {
done(e);
});
}).catch(function(e) {
done(e);
});
});
it('returns node info by type or id', function(done) {
typeRegistry.init({});
typeRegistry.load(resourcesDir + "TestNode1",true).then(function() {
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(1);
var id = list[0].id;
var type = list[0].types[0];
list[0].should.have.property("id");
list[0].should.have.property("name","TestNode1.js");
list[0].should.have.property("types",["test-node-1"]);
list[0].should.have.property("enabled",true);
list[0].should.not.have.property("err");
var info = typeRegistry.getNodeInfo(id);
list[0].should.eql(info);
var info2 = typeRegistry.getNodeInfo(type);
list[0].should.eql(info2);
done();
}).catch(function(e) {
done(e);
});
});
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it('rejects adding duplicate nodes', function(done) {
typeRegistry.init({});
typeRegistry.load(resourcesDir + "TestNode1",true).then(function(){
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var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(1);
typeRegistry.addNode({file:resourcesDir + "TestNode1" + path.sep + "TestNode1.js"}).then(function(node) {
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done(new Error("duplicate node loaded"));
}).otherwise(function(e) {
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(1);
done();
});
}).catch(function(e) {
done(e);
});
});
it('removes nodes from the registry', function(done) {
typeRegistry.init({});
typeRegistry.load(resourcesDir + "TestNode1",true).then(function() {
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(1);
list[0].should.have.property("id");
list[0].should.have.property("name","TestNode1.js");
list[0].should.have.property("types",["test-node-1"]);
typeRegistry.getNodeConfigs().length.should.be.greaterThan(0);
var info = typeRegistry.removeNode(list[0].id);
info.should.eql(list[0]);
typeRegistry.getNodeList().should.be.an.Array.and.be.empty;
typeRegistry.getNodeConfigs().length.should.equal(0);
var nodeConstructor = typeRegistry.get("test-node-1");
(typeof nodeConstructor).should.be.equal("undefined");
done();
}).catch(function(e) {
done(e);
});
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});
it('rejects removing unknown nodes from the registry', function(done) {
typeRegistry.init({});
typeRegistry.load("wontexist",true).then(function() {
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.be.empty;
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/*jshint immed: false */
(function() {
typeRegistry.removeNode("1234");
}).should.throw();
done();
}).catch(function(e) {
done(e);
});
});
it('scans the node_modules path for node files', function(done) {
var fs = require("fs");
var path = require("path");
var eventEmitSpy = sinon.spy(events,"emit");
var pathJoin = (function() {
var _join = path.join;
return sinon.stub(path,"join",function() {
if (arguments.length == 3 && arguments[2] == "package.json") {
return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1],arguments[2]);
}
if (arguments.length == 2 && arguments[1] == "TestNodeModule") {
return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1]);
}
return _join.apply(this,arguments);
});
})();
var readdirSync = (function() {
var originalReaddirSync = fs.readdirSync;
var callCount = 0;
return sinon.stub(fs,"readdirSync",function(dir) {
var result = [];
if (callCount == 1) {
result = originalReaddirSync(resourcesDir + "TestNodeModule" + path.sep + "node_modules");
}
callCount++;
return result;
});
})();
typeRegistry.init({});
typeRegistry.load("wontexist",false).then(function(){
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(2);
list[0].should.have.property("id");
list[0].should.have.property("name","TestNodeModule:TestNodeMod1");
list[0].should.have.property("types",["test-node-mod-1"]);
list[0].should.have.property("enabled",true);
list[0].should.not.have.property("err");
list[1].should.have.property("id");
list[1].should.have.property("name","TestNodeModule:TestNodeMod2");
list[1].should.have.property("types",["test-node-mod-2"]);
list[1].should.have.property("enabled",false);
list[1].should.have.property("err");
eventEmitSpy.callCount.should.equal(2);
eventEmitSpy.firstCall.args[0].should.be.equal("node-icon-dir");
eventEmitSpy.firstCall.args[1].should.be.equal(
resourcesDir + "TestNodeModule" + path.sep+ "node_modules" + path.sep + "TestNodeModule" + path.sep + "icons");
eventEmitSpy.secondCall.args[0].should.be.equal("type-registered");
eventEmitSpy.secondCall.args[1].should.be.equal("test-node-mod-1");
done();
}).catch(function(e) {
done(e);
}).finally(function() {
readdirSync.restore();
pathJoin.restore();
eventEmitSpy.restore();
});
});
it('allows nodes to be added by module name', function(done) {
var fs = require("fs");
var path = require("path");
var pathJoin = (function() {
var _join = path.join;
return sinon.stub(path,"join",function() {
if (arguments.length == 3 && arguments[2] == "package.json") {
return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1],arguments[2]);
}
if (arguments.length == 2 && arguments[1] == "TestNodeModule") {
return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1]);
}
return _join.apply(this,arguments);
});
})();
var readdirSync = (function() {
var originalReaddirSync = fs.readdirSync;
var callCount = 0;
return sinon.stub(fs,"readdirSync",function(dir) {
var result = [];
if (callCount == 1) {
result = originalReaddirSync(resourcesDir + "TestNodeModule" + path.sep + "node_modules");
}
callCount++;
return result;
});
})();
typeRegistry.init({});
typeRegistry.load("wontexist",true).then(function(){
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.be.empty;
typeRegistry.addNode({module: "TestNodeModule"}).then(function(node) {
list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(2);
list[0].should.have.property("id");
list[0].should.have.property("name","TestNodeModule:TestNodeMod1");
list[0].should.have.property("types",["test-node-mod-1"]);
list[0].should.have.property("enabled",true);
list[0].should.not.have.property("err");
list[1].should.have.property("id");
list[1].should.have.property("name","TestNodeModule:TestNodeMod2");
list[1].should.have.property("types",["test-node-mod-2"]);
list[1].should.have.property("enabled",false);
list[1].should.have.property("err");
node.should.eql(list);
done();
}).catch(function(e) {
done(e);
});
}).catch(function(e) {
done(e);
}).finally(function() {
readdirSync.restore();
pathJoin.restore();
});
});
it('allows nodes to be enabled and disabled', function(done) {
typeRegistry.init({});
typeRegistry.load(resourcesDir+path.sep+"TestNode1",true).then(function() {
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(1);
list[0].should.have.property("id");
list[0].should.have.property("name","TestNode1.js");
list[0].should.have.property("enabled",true);
var nodeConfig = typeRegistry.getNodeConfigs();
nodeConfig.length.should.be.greaterThan(0);
typeRegistry.disableNode(list[0].id);
var list2 = typeRegistry.getNodeList();
list2.should.be.an.Array.and.have.lengthOf(1);
list2[0].should.have.property("enabled",false);
typeRegistry.getNodeConfigs().length.should.equal(0);
typeRegistry.enableNode(list[0].id);
var list3 = typeRegistry.getNodeList();
list3.should.be.an.Array.and.have.lengthOf(1);
list3[0].should.have.property("enabled",true);
var nodeConfig2 = typeRegistry.getNodeConfigs();
nodeConfig2.should.eql(nodeConfig);
done();
}).catch(function(e) {
done(e);
});
});
it('does not allow a node with error to be enabled', function(done) {
typeRegistry.init({});
typeRegistry.load(resourcesDir+path.sep+"TestNode3",true).then(function() {
var list = typeRegistry.getNodeList();
list.should.be.an.Array.and.have.lengthOf(1);
list[0].should.have.property("id");
list[0].should.have.property("name","TestNode3.js");
list[0].should.have.property("enabled",false);
list[0].should.have.property("err");
/*jshint immed: false */
(function() {
typeRegistry.enable(list[0].id);
}).should.throw();
done();
}).catch(function(e) {
done(e);
});
});
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});