/** * Copyright 2014, 2016 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 util = require("../../../red/runtime/util"); describe("red/util", function() { describe('generateId', function() { it('generates an id', function() { var id = util.generateId(); var id2 = util.generateId(); id.should.not.eql(id2); }); }); describe('compareObjects', function() { it('numbers', function() { util.compareObjects(0,0).should.equal(true); util.compareObjects(0,1).should.equal(false); util.compareObjects(1000,1001).should.equal(false); util.compareObjects(1000,1000).should.equal(true); util.compareObjects(0,"0").should.equal(false); util.compareObjects(1,"1").should.equal(false); util.compareObjects(0,null).should.equal(false); util.compareObjects(0,undefined).should.equal(false); }); it('strings', function() { util.compareObjects("","").should.equal(true); util.compareObjects("a","a").should.equal(true); util.compareObjects("",null).should.equal(false); util.compareObjects("",undefined).should.equal(false); }); it('arrays', function() { util.compareObjects(["a"],["a"]).should.equal(true); util.compareObjects(["a"],["a","b"]).should.equal(false); util.compareObjects(["a","b"],["b"]).should.equal(false); util.compareObjects(["a"],"a").should.equal(false); util.compareObjects([[1],["a"]],[[1],["a"]]).should.equal(true); util.compareObjects([[1],["a"]],[["a"],[1]]).should.equal(false); }); it('objects', function() { util.compareObjects({"a":1},{"a":1,"b":1}).should.equal(false); util.compareObjects({"a":1,"b":1},{"a":1,"b":1}).should.equal(true); util.compareObjects({"b":1,"a":1},{"a":1,"b":1}).should.equal(true); }); it('Buffer', function() { util.compareObjects(new Buffer("hello"),new Buffer("hello")).should.equal(true); util.compareObjects(new Buffer("hello"),new Buffer("hello ")).should.equal(false); util.compareObjects(new Buffer("hello"),"hello").should.equal(false); }); }); describe('ensureString', function() { it('strings are preserved', function() { util.ensureString('string').should.equal('string'); }); it('Buffer is converted', function() { var s = util.ensureString(new Buffer('foo')); s.should.equal('foo'); (typeof s).should.equal('string'); }); it('Object is converted to JSON', function() { var s = util.ensureString({foo: "bar"}); (typeof s).should.equal('string'); should.deepEqual(JSON.parse(s), {foo:"bar"}); }); it('stringifies other things', function() { var s = util.ensureString(123); (typeof s).should.equal('string'); s.should.equal('123'); }); }); describe('ensureBuffer', function() { it('Buffers are preserved', function() { var b = new Buffer(''); util.ensureBuffer(b).should.equal(b); }); it('string is converted', function() { var b = util.ensureBuffer('foo'); var expected = new Buffer('foo'); for (var i = 0; i < expected.length; i++) { b[i].should.equal(expected[i]); } Buffer.isBuffer(b).should.equal(true); }); it('Object is converted to JSON', function() { var obj = {foo: "bar"} var b = util.ensureBuffer(obj); Buffer.isBuffer(b).should.equal(true); should.deepEqual(JSON.parse(b), obj); }); it('stringifies other things', function() { var b = util.ensureBuffer(123); Buffer.isBuffer(b).should.equal(true); var expected = new Buffer('123'); for (var i = 0; i < expected.length; i++) { b[i].should.equal(expected[i]); } }); }); describe('cloneMessage', function() { it('clones a simple message', function() { var msg = {string:"hi",array:[1,2,3],object:{a:1,subobject:{b:2}}}; var cloned = util.cloneMessage(msg); cloned.should.eql(msg); cloned.should.not.equal(msg); cloned.array.should.not.equal(msg.string); cloned.object.should.not.equal(msg.object); cloned.object.subobject.should.not.equal(msg.object.subobject); cloned.should.not.have.property("req"); cloned.should.not.have.property("res"); }); it('does not clone http req/res properties', function() { var msg = {req:{a:1},res:{b:2}}; var cloned = util.cloneMessage(msg); cloned.should.eql(msg); cloned.should.not.equal(msg); cloned.req.should.equal(msg.req); cloned.res.should.equal(msg.res); }); }); describe('getMessageProperty', function() { it('retrieves a simple property', function() { var v = util.getMessageProperty({a:"foo"},"msg.a"); v.should.eql("foo"); var v2 = util.getMessageProperty({a:"foo"},"a"); v2.should.eql("foo"); }); it('should return undefined if property does not exist', function() { var v = util.getMessageProperty({a:"foo"},"msg.b"); should.not.exist(v); }); it('should throw error if property parent does not exist', function() { /*jshint immed: false */ (function() { util.getMessageProperty({a:"foo"},"msg.a.b.c"); }).should.throw(); }); it('retrieves a property with array syntax', function() { var v = util.getMessageProperty({a:["foo","bar"]},"msg.a[0]"); v.should.eql("foo"); var v2 = util.getMessageProperty({a:[null,{b:"foo"}]},"a[1].b"); v2.should.eql("foo"); var v3 = util.getMessageProperty({a:[[["foo"]]]},"a[0][0][0]"); v3.should.eql("foo"); }); }); describe('setMessageProperty', function() { it('sets a property', function() { var msg = {a:"foo"}; util.setMessageProperty(msg,"msg.a","bar"); msg.a.should.eql('bar'); }); it('sets a deep level property', function() { var msg = {a:{b:{c:"foo"}}}; util.setMessageProperty(msg,"msg.a.b.c","bar"); msg.a.b.c.should.eql('bar'); }); it('creates missing parent properties by default', function() { var msg = {a:{}}; util.setMessageProperty(msg,"msg.a.b.c","bar"); msg.a.b.c.should.eql('bar'); }) it('does not create missing parent properties', function() { var msg = {a:{}}; util.setMessageProperty(msg,"msg.a.b.c","bar",false); should.not.exist(msg.a.b); }) it('deletes property if value is undefined', function() { var msg = {a:{b:{c:"foo"}}}; util.setMessageProperty(msg,"msg.a.b.c",undefined); should.not.exist(msg.a.b.c); }) it('does not create missing parent properties if value is undefined', function() { var msg = {a:{}}; util.setMessageProperty(msg,"msg.a.b.c",undefined); should.not.exist(msg.a.b); }); it('sets a property with array syntax', function() { var msg = {a:{b:["foo",{c:["",""]}]}}; util.setMessageProperty(msg,"msg.a.b[1].c[1]","bar"); msg.a.b[1].c[1].should.eql('bar'); }); it('creates missing array elements - final property', function() { var msg = {a:[]}; util.setMessageProperty(msg,"msg.a[2]","bar"); msg.a.should.have.length(3); msg.a[2].should.eql("bar"); }); it('creates missing array elements - mid property', function() { var msg = {}; util.setMessageProperty(msg,"msg.a[2].b","bar"); msg.a.should.have.length(3); msg.a[2].b.should.eql("bar"); }); it('creates missing array elements - multi-arrays', function() { var msg = {}; util.setMessageProperty(msg,"msg.a[2][2]","bar"); msg.a.should.have.length(3); msg.a.should.be.instanceOf(Array); msg.a[2].should.have.length(3); msg.a[2].should.be.instanceOf(Array); msg.a[2][2].should.eql("bar"); }); it('does not create missing array elements - final property', function() { var msg = {a:{}}; util.setMessageProperty(msg,"msg.a.b[2]","bar",false); should.not.exist(msg.a.b); // check it has not been misinterpreted msg.a.should.not.have.property("b[2]"); }); it('deletes property inside array if value is undefined', function() { var msg = {a:[1,2,3]}; util.setMessageProperty(msg,"msg.a[1]",undefined); msg.a.should.have.length(2); msg.a[0].should.eql(1); msg.a[1].should.eql(3); }) }); describe('evaluateNodeProperty', function() { it('returns string',function() { var result = util.evaluateNodeProperty('hello','str'); result.should.eql('hello'); }); it('returns number',function() { var result = util.evaluateNodeProperty('0123','num'); result.should.eql(123); }); it('returns evaluated json',function() { var result = util.evaluateNodeProperty('{"a":123}','json'); result.should.eql({a:123}); }); it('returns regex',function() { var result = util.evaluateNodeProperty('^abc$','re'); result.toString().should.eql("/^abc$/"); }); it('returns boolean',function() { var result = util.evaluateNodeProperty('true','bool'); result.should.be.true(); result = util.evaluateNodeProperty('TrUe','bool'); result.should.be.true(); result = util.evaluateNodeProperty('false','bool'); result.should.be.false(); result = util.evaluateNodeProperty('','bool'); result.should.be.false(); }); it('returns date',function() { var result = util.evaluateNodeProperty('','date'); (Date.now() - result).should.be.approximately(0,50); }); it('returns msg property',function() { var result = util.evaluateNodeProperty('foo.bar','msg',{},{foo:{bar:"123"}}); result.should.eql("123"); }); it('returns flow property',function() { var result = util.evaluateNodeProperty('foo.bar','flow',{ context:function() { return { flow: { get: function(k) { if (k === 'foo.bar') { return '123'; } else { return null; } }} }} },{}); result.should.eql("123"); }); it('returns global property',function() { var result = util.evaluateNodeProperty('foo.bar','global',{ context:function() { return { global: { get: function(k) { if (k === 'foo.bar') { return '123'; } else { return null; } }} }} },{}); result.should.eql("123"); }); }); describe('normalisePropertyExpression', function() { function testABC(input,expected) { var result = util.normalisePropertyExpression(input); // console.log("+",input); // console.log(result); result.should.eql(expected); } function testInvalid(input) { /*jshint immed: false */ (function() { util.normalisePropertyExpression(input); }).should.throw(); } it('pass a.b.c',function() { testABC('a.b.c',['a','b','c']); }) it('pass a["b"]["c"]',function() { testABC('a["b"]["c"]',['a','b','c']); }) it('pass a["b"].c',function() { testABC('a["b"].c',['a','b','c']); }) it("pass a['b'].c",function() { testABC("a['b'].c",['a','b','c']); }) it("pass a[0].c",function() { testABC("a[0].c",['a',0,'c']); }) it("pass a.0.c",function() { testABC("a.0.c",['a',0,'c']); }) it("pass a['a.b[0]'].c",function() { testABC("a['a.b[0]'].c",['a','a.b[0]','c']); }) it("pass a[0][0][0]",function() { testABC("a[0][0][0]",['a',0,0,0]); }) it("pass '1.2.3.4'",function() { testABC("'1.2.3.4'",['1.2.3.4']); }) it("pass 'a.b'[1]",function() { testABC("'a.b'[1]",['a.b',1]); }) it("pass 'a.b'.c",function() { testABC("'a.b'.c",['a.b','c']); }) it('pass a.$b.c',function() { testABC('a.$b.c',['a','$b','c']); }) it('pass a["$b"].c',function() { testABC('a["$b"].c',['a','$b','c']); }) it('pass a._b.c',function() { testABC('a._b.c',['a','_b','c']); }) it('pass a["_b"].c',function() { testABC('a["_b"].c',['a','_b','c']); }) it("fail a'b'.c",function() { testInvalid("a'b'.c"); }) it("fail a['b'.c",function() { testInvalid("a['b'.c"); }) it("fail a[]",function() { testInvalid("a[]"); }) it("fail a]",function() { testInvalid("a]"); }) it("fail a[",function() { testInvalid("a["); }) it("fail a[0d]",function() { testInvalid("a[0d]"); }) it("fail a['",function() { testInvalid("a['"); }) it("fail a[']",function() { testInvalid("a[']"); }) it("fail a[0']",function() { testInvalid("a[0']"); }) it("fail a.[0]",function() { testInvalid("a.[0]"); }) it("fail [0]",function() { testInvalid("[0]"); }) it("fail a[0",function() { testInvalid("a[0"); }) it("fail a.",function() { testInvalid("a."); }) it("fail .a",function() { testInvalid(".a"); }) it("fail a. b",function() { testInvalid("a. b"); }) it("fail a.b",function() { testInvalid(" a.b"); }) it("fail a[0].[1]",function() { testInvalid("a[0].[1]"); }) it("fail a['']",function() { testInvalid("a['']"); }) it("fail 'a.b'c",function() { testInvalid("'a.b'c"); }) }); });