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node-red/test/red/runtime/storage/localfilesystem_spec.js

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2014-07-17 09:08:24 +02:00
/**
* Copyright 2013, 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.
**/
var should = require("should");
var fs = require('fs-extra');
var path = require('path');
var localfilesystem = require("../../../../red/runtime/storage/localfilesystem");
describe('LocalFileSystem', function() {
var userDir = path.join(__dirname,".testUserHome");
var testFlow = [{"type":"tab","id":"d8be2a6d.2741d8","label":"Sheet 1"}];
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beforeEach(function(done) {
fs.remove(userDir,function(err) {
fs.mkdir(userDir,done);
});
});
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afterEach(function(done) {
fs.remove(userDir,done);
});
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it('should initialise the user directory',function(done) {
localfilesystem.init({userDir:userDir}).then(function() {
fs.existsSync(path.join(userDir,"lib")).should.be.true;
fs.existsSync(path.join(userDir,"lib",'flows')).should.be.true;
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done();
}).otherwise(function(err) {
done(err);
});
});
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it('should set userDir to NRH is .config.json present',function(done) {
var oldNRH = process.env.NODE_RED_HOME;
process.env.NODE_RED_HOME = path.join(userDir,"NRH");
fs.mkdirSync(process.env.NODE_RED_HOME);
fs.writeFileSync(path.join(process.env.NODE_RED_HOME,".config.json"),"{}","utf8");
var settings = {};
localfilesystem.init(settings).then(function() {
try {
fs.existsSync(path.join(process.env.NODE_RED_HOME,"lib")).should.be.true;
fs.existsSync(path.join(process.env.NODE_RED_HOME,"lib",'flows')).should.be.true;
settings.userDir.should.equal(process.env.NODE_RED_HOME);
done();
} catch(err) {
done(err);
} finally {
process.env.NODE_RED_HOME = oldNRH;
}
}).otherwise(function(err) {
done(err);
});
});
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it('should set userDir to HOME/.node-red',function(done) {
var oldNRH = process.env.NODE_RED_HOME;
process.env.NODE_RED_HOME = path.join(userDir,"NRH");
var oldHOME = process.env.HOME;
process.env.HOME = path.join(userDir,"HOME");
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fs.mkdirSync(process.env.HOME);
var settings = {};
localfilesystem.init(settings).then(function() {
try {
fs.existsSync(path.join(process.env.HOME,".node-red","lib")).should.be.true;
fs.existsSync(path.join(process.env.HOME,".node-red","lib",'flows')).should.be.true;
settings.userDir.should.equal(path.join(process.env.HOME,".node-red"));
done();
} catch(err) {
done(err);
} finally {
process.env.NODE_RED_HOME = oldNRH;
process.env.HOME = oldHOME;
}
}).otherwise(function(err) {
done(err);
});
});
it('should handle missing flow file',function(done) {
localfilesystem.init({userDir:userDir}).then(function() {
var flowFile = 'flows_'+require('os').hostname()+'.json';
var flowFilePath = path.join(userDir,flowFile);
fs.existsSync(flowFilePath).should.be.false;
localfilesystem.getFlows().then(function(flows) {
flows.should.eql([]);
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
it('should save flows to the default file',function(done) {
localfilesystem.init({userDir:userDir}).then(function() {
var flowFile = 'flows_'+require('os').hostname()+'.json';
var flowFilePath = path.join(userDir,flowFile);
var flowFileBackupPath = path.join(userDir,"."+flowFile+".backup");
fs.existsSync(flowFilePath).should.be.false;
fs.existsSync(flowFileBackupPath).should.be.false;
localfilesystem.saveFlows(testFlow).then(function() {
fs.existsSync(flowFilePath).should.be.true;
fs.existsSync(flowFileBackupPath).should.be.false;
localfilesystem.getFlows().then(function(flows) {
flows.should.eql(testFlow);
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
it('should save flows to the specified file',function(done) {
var defaultFlowFile = 'flows_'+require('os').hostname()+'.json';
var defaultFlowFilePath = path.join(userDir,defaultFlowFile);
var flowFile = 'test.json';
var flowFilePath = path.join(userDir,flowFile);
localfilesystem.init({userDir:userDir, flowFile:flowFilePath}).then(function() {
fs.existsSync(defaultFlowFilePath).should.be.false;
fs.existsSync(flowFilePath).should.be.false;
localfilesystem.saveFlows(testFlow).then(function() {
fs.existsSync(defaultFlowFilePath).should.be.false;
fs.existsSync(flowFilePath).should.be.true;
localfilesystem.getFlows().then(function(flows) {
flows.should.eql(testFlow);
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
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it('should format the flows file when flowFilePretty specified',function(done) {
var flowFile = 'test.json';
var flowFilePath = path.join(userDir,flowFile);
localfilesystem.init({userDir:userDir, flowFile:flowFilePath,flowFilePretty:true}).then(function() {
localfilesystem.saveFlows(testFlow).then(function() {
var content = fs.readFileSync(flowFilePath,"utf8");
content.split("\n").length.should.be.above(1);
localfilesystem.getFlows().then(function(flows) {
flows.should.eql(testFlow);
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
it('should backup the flows file', function(done) {
var defaultFlowFile = 'flows_'+require('os').hostname()+'.json';
var defaultFlowFilePath = path.join(userDir,defaultFlowFile);
var flowFile = 'test.json';
var flowFilePath = path.join(userDir,flowFile);
var flowFileBackupPath = path.join(userDir,"."+flowFile+".backup");
localfilesystem.init({userDir:userDir, flowFile:flowFilePath}).then(function() {
fs.existsSync(defaultFlowFilePath).should.be.false;
fs.existsSync(flowFilePath).should.be.false;
fs.existsSync(flowFileBackupPath).should.be.false;
localfilesystem.saveFlows(testFlow).then(function() {
fs.existsSync(flowFileBackupPath).should.be.false;
fs.existsSync(defaultFlowFilePath).should.be.false;
fs.existsSync(flowFilePath).should.be.true;
var content = fs.readFileSync(flowFilePath,'utf8');
var testFlow2 = [{"type":"tab","id":"bc5672ad.2741d8","label":"Sheet 2"}];
localfilesystem.saveFlows(testFlow2).then(function() {
fs.existsSync(flowFileBackupPath).should.be.true;
fs.existsSync(defaultFlowFilePath).should.be.false;
fs.existsSync(flowFilePath).should.be.true;
var backupContent = fs.readFileSync(flowFileBackupPath,'utf8');
content.should.equal(backupContent);
var content2 = fs.readFileSync(flowFilePath,'utf8');
content2.should.not.equal(backupContent);
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
it('should handle missing credentials', function(done) {
var flowFile = 'test.json';
var flowFilePath = path.join(userDir,flowFile);
var credFile = path.join(userDir,"test_cred.json");
localfilesystem.init({userDir:userDir, flowFile:flowFilePath}).then(function() {
fs.existsSync(credFile).should.be.false;
localfilesystem.getCredentials().then(function(creds) {
creds.should.eql({});
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
it('should handle credentials', function(done) {
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var flowFile = 'test.json';
var flowFilePath = path.join(userDir,flowFile);
var credFile = path.join(userDir,"test_cred.json");
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localfilesystem.init({userDir:userDir, flowFile:flowFilePath}).then(function() {
fs.existsSync(credFile).should.be.false;
var credentials = {"abc":{"type":"creds"}};
localfilesystem.saveCredentials(credentials).then(function() {
fs.existsSync(credFile).should.be.true;
localfilesystem.getCredentials().then(function(creds) {
creds.should.eql(credentials);
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
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it('should backup existing credentials', function(done) {
var flowFile = 'test.json';
var flowFilePath = path.join(userDir,flowFile);
var credFile = path.join(userDir,"test_cred.json");
var credFileBackup = path.join(userDir,".test_cred.json.backup");
localfilesystem.init({userDir:userDir, flowFile:flowFilePath}).then(function() {
fs.writeFileSync(credFile,"{}","utf8");
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fs.existsSync(credFile).should.be.true;
fs.existsSync(credFileBackup).should.be.false;
var credentials = {"abc":{"type":"creds"}};
localfilesystem.saveCredentials(credentials).then(function() {
fs.existsSync(credFile).should.be.true;
fs.existsSync(credFileBackup).should.be.true;
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
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it('should format the creds file when flowFilePretty specified',function(done) {
var flowFile = 'test.json';
var flowFilePath = path.join(userDir,flowFile);
var credFile = path.join(userDir,"test_cred.json");
localfilesystem.init({userDir:userDir, flowFile:flowFilePath, flowFilePretty:true}).then(function() {
fs.existsSync(credFile).should.be.false;
var credentials = {"abc":{"type":"creds"}};
localfilesystem.saveCredentials(credentials).then(function() {
fs.existsSync(credFile).should.be.true;
var content = fs.readFileSync(credFile,"utf8");
content.split("\n").length.should.be.above(1);
localfilesystem.getCredentials().then(function(creds) {
creds.should.eql(credentials);
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
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it('should handle non-existent settings', function(done) {
var settingsFile = path.join(userDir,".settings.json");
localfilesystem.init({userDir:userDir}).then(function() {
fs.existsSync(settingsFile).should.be.false;
localfilesystem.getSettings().then(function(settings) {
settings.should.eql({});
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
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it('should handle corrupt settings', function(done) {
var settingsFile = path.join(userDir,".config.json");
fs.writeFileSync(settingsFile,"[This is not json","utf8");
localfilesystem.init({userDir:userDir}).then(function() {
fs.existsSync(settingsFile).should.be.true;
localfilesystem.getSettings().then(function(settings) {
settings.should.eql({});
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
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it('should handle settings', function(done) {
var settingsFile = path.join(userDir,".config.json");
localfilesystem.init({userDir:userDir}).then(function() {
fs.existsSync(settingsFile).should.be.false;
var settings = {"abc":{"type":"creds"}};
localfilesystem.saveSettings(settings).then(function() {
fs.existsSync(settingsFile).should.be.true;
localfilesystem.getSettings().then(function(_settings) {
_settings.should.eql(settings);
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
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it('should handle non-existent sessions', function(done) {
var sessionsFile = path.join(userDir,".sessions.json");
localfilesystem.init({userDir:userDir}).then(function() {
fs.existsSync(sessionsFile).should.be.false;
localfilesystem.getSessions().then(function(sessions) {
sessions.should.eql({});
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
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it('should handle corrupt sessions', function(done) {
var sessionsFile = path.join(userDir,".sessions.json");
fs.writeFileSync(sessionsFile,"[This is not json","utf8");
localfilesystem.init({userDir:userDir}).then(function() {
fs.existsSync(sessionsFile).should.be.true;
localfilesystem.getSessions().then(function(sessions) {
sessions.should.eql({});
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
it('should handle sessions', function(done) {
var sessionsFile = path.join(userDir,".sessions.json");
localfilesystem.init({userDir:userDir}).then(function() {
fs.existsSync(sessionsFile).should.be.false;
var sessions = {"abc":{"type":"creds"}};
localfilesystem.saveSessions(sessions).then(function() {
fs.existsSync(sessionsFile).should.be.true;
localfilesystem.getSessions().then(function(_sessions) {
_sessions.should.eql(sessions);
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
it('should return an empty list of library objects',function(done) {
localfilesystem.init({userDir:userDir}).then(function() {
localfilesystem.getLibraryEntry('object','').then(function(flows) {
flows.should.eql([]);
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
it('should return an error for a non-existent library object',function(done) {
localfilesystem.init({userDir:userDir}).then(function() {
localfilesystem.getLibraryEntry('object','A/B').then(function(flows) {
should.fail(null,null,"non-existent flow");
}).otherwise(function(err) {
should.exist(err);
done();
});
}).otherwise(function(err) {
done(err);
});
});
function createObjectLibrary(type) {
type = type ||"object";
var objLib = path.join(userDir,"lib",type);
try {
fs.mkdirSync(objLib);
} catch(err) {
}
fs.mkdirSync(path.join(objLib,"A"));
fs.mkdirSync(path.join(objLib,"B"));
fs.mkdirSync(path.join(objLib,"B","C"));
fs.writeFileSync(path.join(objLib,"file1.js"),"// abc: def\n// not a metaline \n\n Hi",'utf8');
fs.writeFileSync(path.join(objLib,"B","file2.js"),"// ghi: jkl\n// not a metaline \n\n Hi",'utf8');
fs.writeFileSync(path.join(objLib,"B","flow.json"),"Hi",'utf8');
}
it('should return a directory listing of library objects',function(done) {
localfilesystem.init({userDir:userDir}).then(function() {
createObjectLibrary();
localfilesystem.getLibraryEntry('object','').then(function(flows) {
flows.should.eql([ 'A', 'B', { abc: 'def', fn: 'file1.js' } ]);
localfilesystem.getLibraryEntry('object','B').then(function(flows) {
flows.should.eql([ 'C', { ghi: 'jkl', fn: 'file2.js' }, { fn: 'flow.json' } ]);
localfilesystem.getLibraryEntry('object','B/C').then(function(flows) {
flows.should.eql([]);
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
it('should load a flow library object with .json unspecified', function(done) {
localfilesystem.init({userDir:userDir}).then(function() {
createObjectLibrary("flows");
localfilesystem.getLibraryEntry('flows','B/flow').then(function(flows) {
flows.should.eql("Hi");
done();
}).otherwise(function(err) {
done(err);
});
});
});
it('should return a library object',function(done) {
localfilesystem.init({userDir:userDir}).then(function() {
createObjectLibrary();
localfilesystem.getLibraryEntry('object','B/file2.js').then(function(body) {
body.should.eql("// not a metaline \n\n Hi");
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
it('should return a newly saved library object',function(done) {
localfilesystem.init({userDir:userDir}).then(function() {
createObjectLibrary();
localfilesystem.getLibraryEntry('object','B').then(function(flows) {
flows.should.eql([ 'C', { ghi: 'jkl', fn: 'file2.js' }, {fn:'flow.json'} ]);
localfilesystem.saveLibraryEntry('object','B/D/file3.js',{mno:'pqr'},"// another non meta line\n\n Hi There").then(function() {
localfilesystem.getLibraryEntry('object','B/D').then(function(flows) {
flows.should.eql([ { mno: 'pqr', fn: 'file3.js' } ]);
localfilesystem.getLibraryEntry('object','B/D/file3.js').then(function(body) {
body.should.eql("// another non meta line\n\n Hi There");
done();
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
}).otherwise(function(err) {
done(err);
});
});
});