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Adding registry node load tests
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530a1fce81
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@ -63,6 +63,7 @@ function getNodeFiles(dir) {
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/**
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* Scans the node_modules path for nodes
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* @param moduleName the name of the module to be found
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* @return a list of node modules: {dir,package}
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*/
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function scanTreeForNodesModules(moduleName) {
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@ -230,13 +231,21 @@ function init(_settings) {
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/**
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* Loads all palette nodes
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* @param defaultNodesDir optional parameter, when set, it overrides the default location
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* of nodeFiles
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* @return a promise that resolves to a list of any errors encountered loading nodes
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*/
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function load() {
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function load(defaultNodesDir) {
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return when.promise(function(resolve,reject) {
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// Find all of the nodes to load
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var nodeFiles = getNodeFiles(__dirname+"/../../nodes");
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var nodeFiles;
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if(defaultNodesDir) {
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nodeFiles = getNodeFiles(path.resolve(defaultNodesDir));
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} else {
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nodeFiles = getNodeFiles(__dirname+"/../../nodes");
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}
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if (settings.nodesDir) {
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var dir = settings.nodesDir;
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if (typeof settings.nodesDir == "string") {
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@ -320,4 +329,3 @@ module.exports = {
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}
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}
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@ -29,6 +29,129 @@ describe('NodeRegistry', function() {
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should.strictEqual(n,newNode);
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});
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})
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});
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describe('NodeRegistry', function() {
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it('does not accept incorrect nodesDir',function(done) {
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var typeRegistry = require("../../../red/nodes/registry");
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var settings = {
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nodesDir : "wontexist"
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}
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typeRegistry.init(null);
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typeRegistry.load().then(function(){
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try {
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should.fail(null, null, "Loading of non-existing nodesDir should never succeed");
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} catch (err) {
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done(err);
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}
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}).catch(function(e) { // successful test, failed promise
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done();
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});
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});
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it('fails to load additional node files from invalid nodesDir',function(done) {
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var typeRegistry = require("../../../red/nodes/registry");
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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().then(function(){
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try {
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should.fail(null, null, "Loading of non-existing nodesDir should never succeed");
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} catch (err) {
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done(err);
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}
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}).catch(function(e) { // successful test, failed promise
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done();
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});
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});
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});
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/*
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* This test does the following:
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* 1) injects settings that tell the registry to load its default nodes from
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* tempNoNodesContainedDir that contains no valid nodes => this means that no default nodes are loaded
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* 2) We only load a single node we pre-deploy into tempDir
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* 3) This node (fakeNodeJS = reads "fake Node JavaScript"), when exported automatically creates a known
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* file
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* 4) We can assert that this file exists and make the loading test pass/fail
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*/
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describe("getNodeFiles", function() {
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var fs = require('fs-extra');
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var path = require('path');
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var tempDir = path.join(__dirname,".tmp/");
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var fakeNodeJS = tempDir + "testNode.js"; // when exported, this fake node creates a file we can assert on
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var nodeInjectedFileName = "testInjected";
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var nodeInjectedFilePath = path.join(tempDir, nodeInjectedFileName);
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var tempNoNodesContainedDir = path.join(__dirname,".noNodes/");
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beforeEach(function(done) {
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fs.remove(tempDir,function(err) {
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fs.mkdirSync(tempDir);
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var fileContents = "var fs = require('fs');\n" +
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"var path = require('path');\n" +
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"var tempFile = path.join(__dirname, \"" + nodeInjectedFileName + "\");\n" +
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"\n" +
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"module.exports = function(RED) {\n" +
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" fs.writeFileSync(tempFile, \"Test passes if this file has been written.\");\n" +
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"}\n";
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fs.writeFileSync(fakeNodeJS, fileContents);
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fs.remove(tempNoNodesContainedDir,function(err) {
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fs.mkdirSync(tempNoNodesContainedDir);
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done();
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});
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});
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});
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afterEach(function(done) {
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fs.exists(tempNoNodesContainedDir, function(exists) {
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if(exists) {
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fs.removeSync(tempNoNodesContainedDir);
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}
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});
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fs.exists(nodeInjectedFilePath, function(exists) {
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if(exists) {
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fs.unlinkSync(nodeInjectedFilePath);
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}
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});
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fs.exists(fakeNodeJS, function(exists) {
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if(exists) {
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fs.unlinkSync(fakeNodeJS);
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}
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fs.remove(tempDir, done);
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});
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});
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it('loads additional node files from specified external nodesDir',function(done) {
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var typeRegistry = require("../../../red/nodes/registry");
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var settings = {
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nodesDir : tempDir
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}
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typeRegistry.init(settings);
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typeRegistry.load(tempNoNodesContainedDir).then(function(){
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fs.exists(nodeInjectedFilePath, function(exists) {
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if(exists) {
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done();
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} else {
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try {
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should.fail(null, null, nodeInjectedFilePath + " should be created by registered test node.");
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} catch(err) {
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done(err)
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}
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}
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});
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}).catch(function(e) {
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try {
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should.fail(null, null, "Loading of nodesDir should succeed");
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} catch (err) {
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done(err);
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}
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});
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});
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});
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