--- /dev/null
+/**
+ * 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.
+ **/
+
+var should = require("should");
+
+var changeNode = require("../../../../nodes/core/logic/15-change.js");
+var helper = require("../../helper.js");
+
+describe('ChangeNode', function() {
+
+ beforeEach(function(done) {
+ helper.startServer(done);
+ });
+
+ afterEach(function(done) {
+ helper.unload();
+ helper.stopServer(done);
+ });
+
+ it('should be loaded', function(done) {
+ var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"payload","from":"","to":"","reg":false,"name":"changeNode","wires":[[]]}];
+ helper.load(changeNode, flow, function() {
+ var changeNode1 = helper.getNode("changeNode1");
+ changeNode1.should.have.property('name', 'changeNode');
+ done();
+ });
+ });
+
+ it('sets the value of the message property', function(done) {
+ var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"payload","from":"","to":"changed","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
+ {id:"helperNode1", type:"helper", wires:[]}];
+ helper.load(changeNode, flow, function() {
+ var changeNode1 = helper.getNode("changeNode1");
+ var helperNode1 = helper.getNode("helperNode1");
+ helperNode1.on("input", function(msg) {
+ try {
+ msg.payload.should.equal("changed");
+ done();
+ } catch(err) {
+ done(err);
+ }
+ });
+ changeNode1.receive({payload:"changeMe"});
+ });
+ });
+
+ it('changes the value of the message property', function(done) {
+ var flow = [{"id":"changeNode1","type":"change","action":"change","property":"payload","from":"Hello","to":"Goodbye","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
+ {id:"helperNode1", type:"helper", wires:[]}];
+ helper.load(changeNode, flow, function() {
+ var changeNode1 = helper.getNode("changeNode1");
+ var helperNode1 = helper.getNode("helperNode1");
+ helperNode1.on("input", function(msg) {
+ try {
+ msg.payload.should.equal("Goodbye World!");
+ done();
+ } catch(err) {
+ done(err);
+ }
+ });
+ changeNode1.receive({payload:"Hello World!"});
+ });
+ });
+
+ it('changes the value of the message property based on a regex', function(done) {
+ var flow = [{"id":"changeNode1","type":"change","action":"change","property":"payload","from":"\\d+","to":"NUMBER","reg":true,"name":"changeNode","wires":[["helperNode1"]]},
+ {id:"helperNode1", type:"helper", wires:[]}];
+ helper.load(changeNode, flow, function() {
+ var changeNode1 = helper.getNode("changeNode1");
+ var helperNode1 = helper.getNode("helperNode1");
+ helperNode1.on("input", function(msg) {
+ try {
+ msg.payload.should.equal("Replace all numbers NUMBER and NUMBER");
+ done();
+ } catch(err) {
+ done(err);
+ }
+ });
+ changeNode1.receive({payload:"Replace all numbers 12 and 14"});
+ });
+ });
+
+ it('supports regex groups', function(done) {
+ var flow = [{"id":"changeNode1","type":"change","action":"change","property":"payload","from":"(Hello)","to":"$1-$1-$1","reg":true,"name":"changeNode","wires":[["helperNode1"]]},
+ {id:"helperNode1", type:"helper", wires:[]}];
+ helper.load(changeNode, flow, function() {
+ var changeNode1 = helper.getNode("changeNode1");
+ var helperNode1 = helper.getNode("helperNode1");
+ helperNode1.on("input", function(msg) {
+ try {
+ msg.payload.should.equal("Hello-Hello-Hello World");
+ done();
+ } catch(err) {
+ done(err);
+ }
+ });
+ changeNode1.receive({payload:"Hello World"});
+ });
+ });
+
+ it('Reports invalid regex', function(done) {
+
+ var sinon = require('sinon');
+
+ var flow = [{"id":"changeNode1","type":"change","action":"change","property":"payload","from":"\\+**+","to":"NUMBER","reg":true,"name":"changeNode","wires":[["helperNode1"]]},
+ {id:"helperNode1", type:"helper", wires:[]}];
+ helper.load(changeNode, flow, function() {
+ var changeNode1 = helper.getNode("changeNode1");
+ var helperNode1 = helper.getNode("helperNode1");
+
+ sinon.stub(changeNode1, 'error', function(error) {
+ if(error.indexOf("regular expression" > -1)) {
+ done();
+ } else {
+ try {
+ should.fail(null, null, "An error should be reported for an invalid regex");
+ } catch (err) {
+ done(err);
+ }
+ }
+ });
+ changeNode1.receive({payload:"This is irrelevant"});
+ });
+ });
+
+ it('deletes the value of the message property', function(done) {
+ var flow = [{"id":"changeNode1","type":"change","action":"delete","property":"payload","from":"","to":"","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
+ {id:"helperNode1", type:"helper", wires:[]}];
+ helper.load(changeNode, flow, function() {
+ var changeNode1 = helper.getNode("changeNode1");
+ var helperNode1 = helper.getNode("helperNode1");
+ helperNode1.on("input", function(msg) {
+ try {
+ msg.should.not.have.property('payload');
+ done();
+ } catch(err) {
+ done(err);
+ }
+ });
+ changeNode1.receive({payload:"This won't get through!"});
+ });
+ });
+
+// TODO confirm the behaviour of the change node later,apparently calling eval such that makeNew( msg, node.property.split("."), eval(node.to) ); is incorrect
+// it('changes the property name of the message object', function(done) {
+// var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"payload","from":"","to":"msg.otherProp=10","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
+// {id:"helperNode1", type:"helper", wires:[]}];
+// helper.load(changeNode, flow, function() {
+// var changeNode1 = helper.getNode("changeNode1");
+// var helperNode1 = helper.getNode("helperNode1");
+// helperNode1.on("input", function(msg) {
+// try {
+// msg.otherProp.should.equal(10);
+// done();
+// } catch(err) {
+// done(err);
+// }
+// });
+// changeNode1.receive({payload:"changeMe"});
+// });
+// });
+
+ it('splits dot delimited properties into objects', function(done) {
+ var flow = [{"id":"changeNode1","type":"change","action":"replace","property":"pay.load","from":"","to":"10","reg":false,"name":"changeNode","wires":[["helperNode1"]]},
+ {id:"helperNode1", type:"helper", wires:[]}];
+ helper.load(changeNode, flow, function() {
+ var changeNode1 = helper.getNode("changeNode1");
+ var helperNode1 = helper.getNode("helperNode1");
+ helperNode1.on("input", function(msg) {
+ try {
+ msg.pay.load.should.equal("10");
+ done();
+ } catch(err) {
+ done(err);
+ }
+ });
+ changeNode1.receive({"pay.load":"changeMe"});
+ });
+ });
+});
+
Code Review / ccsdk / distribution.git / blobdiff