mirror of
https://github.com/node-red/node-red.git
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368 lines
14 KiB
JavaScript
368 lines
14 KiB
JavaScript
/**
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* Copyright 2013, 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 fs = require('fs-extra');
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var path = require('path');
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var localfilesystem = require("../red/storage/localfilesystem");
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describe('LocalFileSystem', function() {
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var userDir = path.join(__dirname,".testUserHome");
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var testFlow = [{"type":"tab","id":"d8be2a6d.2741d8","label":"Sheet 1"}];
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beforeEach(function(done) {
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fs.remove(userDir,function(err) {
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fs.mkdir(userDir,done);
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});
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});
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afterEach(function(done) {
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fs.remove(userDir,done);
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});
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it('should initialise the user directory',function(done) {
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localfilesystem.init({userDir:userDir}).then(function() {
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fs.existsSync(path.join(userDir,"lib")).should.be.true;
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fs.existsSync(path.join(userDir,"lib",'flows')).should.be.true;
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done();
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}).otherwise(function(err) {
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done(err);
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});
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});
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it('should handle missing flow file',function(done) {
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localfilesystem.init({userDir:userDir}).then(function() {
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var flowFile = 'flows_'+require('os').hostname()+'.json';
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var flowFilePath = path.join(userDir,flowFile);
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fs.existsSync(flowFilePath).should.be.false;
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localfilesystem.getFlows().then(function(flows) {
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flows.should.eql([]);
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done();
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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});
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it('should save flows to the default file',function(done) {
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localfilesystem.init({userDir:userDir}).then(function() {
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var flowFile = 'flows_'+require('os').hostname()+'.json';
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var flowFilePath = path.join(userDir,flowFile);
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var flowFileBackupPath = path.join(userDir,"flows.backup");
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fs.existsSync(flowFilePath).should.be.false;
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fs.existsSync(flowFileBackupPath).should.be.false;
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localfilesystem.saveFlows(testFlow).then(function() {
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fs.existsSync(flowFilePath).should.be.true;
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fs.existsSync(flowFileBackupPath).should.be.false;
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localfilesystem.getFlows().then(function(flows) {
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flows.should.eql(testFlow);
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done();
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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});
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it('should save flows to the specified file',function(done) {
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var defaultFlowFile = 'flows_'+require('os').hostname()+'.json';
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var defaultFlowFilePath = path.join(userDir,defaultFlowFile);
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var flowFile = 'test.json';
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var flowFilePath = path.join(userDir,flowFile);
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localfilesystem.init({userDir:userDir, flowFile:flowFilePath}).then(function() {
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fs.existsSync(defaultFlowFilePath).should.be.false;
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fs.existsSync(flowFilePath).should.be.false;
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localfilesystem.saveFlows(testFlow).then(function() {
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fs.existsSync(defaultFlowFilePath).should.be.false;
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fs.existsSync(flowFilePath).should.be.true;
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localfilesystem.getFlows().then(function(flows) {
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flows.should.eql(testFlow);
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done();
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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});
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it('should backup the flows file', function(done) {
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var defaultFlowFile = 'flows_'+require('os').hostname()+'.json';
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var defaultFlowFilePath = path.join(userDir,defaultFlowFile);
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var flowFile = 'test.json';
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var flowFilePath = path.join(userDir,flowFile);
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var flowFileBackupPath = path.join(userDir,"flows.backup");
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localfilesystem.init({userDir:userDir, flowFile:flowFilePath}).then(function() {
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fs.existsSync(defaultFlowFilePath).should.be.false;
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fs.existsSync(flowFilePath).should.be.false;
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fs.existsSync(flowFileBackupPath).should.be.false;
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localfilesystem.saveFlows(testFlow).then(function() {
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fs.existsSync(flowFileBackupPath).should.be.false;
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fs.existsSync(defaultFlowFilePath).should.be.false;
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fs.existsSync(flowFilePath).should.be.true;
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var content = fs.readFileSync(flowFilePath,'utf8');
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var testFlow2 = [{"type":"tab","id":"bc5672ad.2741d8","label":"Sheet 2"}];
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localfilesystem.saveFlows(testFlow2).then(function() {
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fs.existsSync(flowFileBackupPath).should.be.true;
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fs.existsSync(defaultFlowFilePath).should.be.false;
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fs.existsSync(flowFilePath).should.be.true;
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var backupContent = fs.readFileSync(flowFileBackupPath,'utf8');
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content.should.equal(backupContent);
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var content2 = fs.readFileSync(flowFilePath,'utf8');
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content2.should.not.equal(backupContent);
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done();
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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});
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it('should handle missing credentials', function(done) {
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var flowFile = 'test.json';
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var flowFilePath = path.join(userDir,flowFile);
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var credFile = path.join(userDir,"test_cred.json");
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localfilesystem.init({userDir:userDir, flowFile:flowFilePath}).then(function() {
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fs.existsSync(credFile).should.be.false;
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localfilesystem.getCredentials().then(function(creds) {
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creds.should.eql({});
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done();
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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});
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it('should handle credentials', function(done) {
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var flowFile = 'test.json';
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var flowFilePath = path.join(userDir,flowFile);
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var credFile = path.join(userDir,"test_cred.json");
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localfilesystem.init({userDir:userDir, flowFile:flowFilePath}).then(function() {
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fs.existsSync(credFile).should.be.false;
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var credentials = {"abc":{"type":"creds"}};
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localfilesystem.saveCredentials(credentials).then(function() {
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fs.existsSync(credFile).should.be.true;
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localfilesystem.getCredentials().then(function(creds) {
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creds.should.eql(credentials);
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done();
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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});
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it('should return an empty list of library flows',function(done) {
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localfilesystem.init({userDir:userDir}).then(function() {
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localfilesystem.getAllFlows().then(function(flows) {
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flows.should.eql({});
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done();
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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});
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it('should return a valid list of library flows',function(done) {
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localfilesystem.init({userDir:userDir}).then(function() {
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var flowLib = path.join(userDir,"lib","flows");
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fs.closeSync(fs.openSync(path.join(flowLib,"A.json"),"w"));
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fs.closeSync(fs.openSync(path.join(flowLib,"B.json"),"w"));
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fs.mkdirSync(path.join(flowLib,"C"));
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fs.closeSync(fs.openSync(path.join(flowLib,"C","D.json"),"w"));
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var testFlowsList = {"d":{"C":{"f":["D"]}},"f":["A","B"]};
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localfilesystem.getAllFlows().then(function(flows) {
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flows.should.eql(testFlowsList);
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done();
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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});
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it('should fail a non-existent flow', function(done) {
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localfilesystem.init({userDir:userDir}).then(function() {
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localfilesystem.getFlow("a/b/c.json").then(function(flow) {
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should.fail(flow,"No flow","Flow found");
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}).otherwise(function(err) {
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// err should be null, so this will pass
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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});
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it('should return a flow',function(done) {
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localfilesystem.init({userDir:userDir}).then(function() {
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var testflowString = JSON.stringify(testFlow);
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localfilesystem.saveFlow("a/b/c/d.json",testflowString).then(function() {
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localfilesystem.getFlow("a/b/c/d.json").then(function(flow) {
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flow.should.eql(testflowString);
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done();
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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});
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it('should return an empty list of library objects',function(done) {
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localfilesystem.init({userDir:userDir}).then(function() {
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localfilesystem.getLibraryEntry('object','').then(function(flows) {
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flows.should.eql({});
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done();
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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});
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it('should return an error for a non-existent library object',function(done) {
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localfilesystem.init({userDir:userDir}).then(function() {
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localfilesystem.getLibraryEntry('object','A/B').then(function(flows) {
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should.fail(null,null,"non-existent flow");
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}).otherwise(function(err) {
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should.exist(err);
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done();
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});
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}).otherwise(function(err) {
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done(err);
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});
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});
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function createObjectLibrary() {
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var objLib = path.join(userDir,"lib","object");
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fs.mkdirSync(objLib);
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fs.mkdirSync(path.join(objLib,"A"));
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fs.mkdirSync(path.join(objLib,"B"));
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fs.mkdirSync(path.join(objLib,"B","C"));
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fs.writeFileSync(path.join(objLib,"file1.js"),"// abc: def\n// not a metaline \n\n Hi",'utf8');
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fs.writeFileSync(path.join(objLib,"B","file2.js"),"// ghi: jkl\n// not a metaline \n\n Hi",'utf8');
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}
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it('should return a directory listing of library objects',function(done) {
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localfilesystem.init({userDir:userDir}).then(function() {
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createObjectLibrary();
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localfilesystem.getLibraryEntry('object','').then(function(flows) {
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flows.should.eql([ 'A', 'B', { abc: 'def', fn: 'file1.js' } ]);
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localfilesystem.getLibraryEntry('object','B').then(function(flows) {
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flows.should.eql([ 'C', { ghi: 'jkl', fn: 'file2.js' } ]);
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localfilesystem.getLibraryEntry('object','B/C').then(function(flows) {
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flows.should.eql([]);
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done();
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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});
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it('should return a library object',function(done) {
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localfilesystem.init({userDir:userDir}).then(function() {
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createObjectLibrary();
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localfilesystem.getLibraryEntry('object','B/file2.js').then(function(body) {
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body.should.eql("// not a metaline \n\n Hi");
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done();
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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});
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it('should return a newly saved library object',function(done) {
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localfilesystem.init({userDir:userDir}).then(function() {
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createObjectLibrary();
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localfilesystem.getLibraryEntry('object','B').then(function(flows) {
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flows.should.eql([ 'C', { ghi: 'jkl', fn: 'file2.js' } ]);
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localfilesystem.saveLibraryEntry('object','B/D/file3.js',{mno:'pqr'},"// another non meta line\n\n Hi There").then(function() {
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localfilesystem.getLibraryEntry('object','B/D').then(function(flows) {
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flows.should.eql([ { mno: 'pqr', fn: 'file3.js' } ]);
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localfilesystem.getLibraryEntry('object','B/D/file3.js').then(function(body) {
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body.should.eql("// another non meta line\n\n Hi There");
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done();
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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}).otherwise(function(err) {
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done(err);
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});
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});
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});
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