mirror of https://github.com/node-red/node-red.git
591 lines
26 KiB
JavaScript
591 lines
26 KiB
JavaScript
/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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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 jsonNode = require("nr-test-utils").require("@node-red/nodes/core/parsers/70-JSON.js");
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var helper = require("node-red-node-test-helper");
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describe('JSON node', function() {
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before(function(done) {
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helper.startServer(done);
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});
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after(function(done) {
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helper.stopServer(done);
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});
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afterEach(function() {
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helper.unload();
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});
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it('should convert a valid json string to a javascript object', function(done) {
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var flow = [{id:"jn1",type:"json",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.payload.should.have.property('employees');
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msg.payload.employees[0].should.have.property('firstName', 'John');
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msg.payload.employees[0].should.have.property('lastName', 'Smith');
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done();
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});
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var jsonString = ' {"employees":[{"firstName":"John", "lastName":"Smith"}]}\r\n ';
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jn1.receive({payload:jsonString,topic: "bar"});
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});
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});
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it('should convert a buffer of a valid json string to a javascript object', function(done) {
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var flow = [{id:"jn1",type:"json",action:"obj",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.payload.should.have.property('employees');
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msg.payload.employees[0].should.have.property('firstName', 'John');
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msg.payload.employees[0].should.have.property('lastName', 'Smith');
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done();
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});
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var jsonString = Buffer.from(' {"employees":[{"firstName":"John", "lastName":"Smith"}]}\r\n ');
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jn1.receive({payload:jsonString,topic: "bar"});
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});
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});
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it('should convert a javascript object to a json string', function(done) {
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var flow = [{id:"jn1",type:"json",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn2.on("input", function(msg) {
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should.equal(msg.payload, '{"employees":[{"firstName":"John","lastName":"Smith"}]}');
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done();
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});
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var obj = {employees:[{firstName:"John", lastName:"Smith"}]};
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jn1.receive({payload:obj});
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});
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});
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it('should convert a array to a json string', function(done) {
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var flow = [{id:"jn1",type:"json",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn2.on("input", function(msg) {
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should.equal(msg.payload, '[1,2,3]');
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done();
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});
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var obj = [1,2,3];
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jn1.receive({payload:obj});
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});
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});
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it('should convert a boolean to a json string', function(done) {
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var flow = [{id:"jn1",type:"json",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn2.on("input", function(msg) {
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should.equal(msg.payload, 'true');
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done();
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});
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var obj = true;
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jn1.receive({payload:obj});
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});
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});
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it('should convert a json string to a boolean', function(done) {
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var flow = [{id:"jn1",type:"json",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn2.on("input", function(msg) {
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should.equal(msg.payload, true);
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done();
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});
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var obj = "true";
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jn1.receive({payload:obj});
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});
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});
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it('should convert a number to a json string', function(done) {
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var flow = [{id:"jn1",type:"json",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn2.on("input", function(msg) {
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should.equal(msg.payload, '2019');
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done();
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});
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var obj = 2019;
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jn1.receive({payload:obj});
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});
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});
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it('should convert a json string to a number', function(done) {
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var flow = [{id:"jn1",type:"json",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn2.on("input", function(msg) {
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should.equal(msg.payload, 1962);
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done();
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});
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var obj = '1962';
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jn1.receive({payload:obj});
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});
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});
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it('should log an error if asked to parse an invalid json string', function(done) {
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var flow = [{id:"jn1",type:"json",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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try {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn1.receive({payload:'foo',topic: "bar"});
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setTimeout(function() {
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try {
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "json";
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});
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logEvents.should.have.length(1);
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logEvents[0][0].should.have.a.property('msg');
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logEvents[0][0].msg.should.match(/^Unexpected token (o|'o')/);
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logEvents[0][0].should.have.a.property('level',helper.log().ERROR);
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done();
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} catch(err) { done(err) }
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},20);
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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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it('should log an error if asked to parse an invalid json string in a buffer', function(done) {
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var flow = [{id:"jn1",type:"json",action:"obj",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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try {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn1.receive({payload:Buffer.from('{"name":foo}'),topic: "bar"});
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setTimeout(function() {
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try {
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "json";
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});
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logEvents.should.have.length(1);
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logEvents[0][0].should.have.a.property('msg');
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logEvents[0][0].msg.should.match(/^Unexpected token (o|'o')/);
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logEvents[0][0].should.have.a.property('level',helper.log().ERROR);
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done();
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} catch(err) { done(err) }
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},20);
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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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// it('should log an error if asked to parse something thats not json or js and not in force object mode', function(done) {
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// var flow = [{id:"jn1",type:"json",wires:[["jn2"]]},
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// {id:"jn2", type:"helper"}];
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// helper.load(jsonNode, flow, function() {
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// var jn1 = helper.getNode("jn1");
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// var jn2 = helper.getNode("jn2");
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// setTimeout(function() {
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// try {
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// var logEvents = helper.log().args.filter(function(evt) {
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// return evt[0].type == "json";
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// });
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// logEvents.should.have.length(1);
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// logEvents[0][0].should.have.a.property('msg');
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// logEvents[0][0].msg.toString().should.eql('json.errors.dropped');
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// done();
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// } catch(err) {
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// done(err);
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// }
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// },50);
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// jn1.receive({payload:Buffer.from("abcd")});
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// });
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// });
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it('should pass straight through if no payload set', function(done) {
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var flow = [{id:"jn1",type:"json",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn2.on("input", function(msg) {
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msg.should.have.property('topic', 'bar');
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msg.should.not.have.property('payload');
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done();
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});
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jn1.receive({topic: "bar"});
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});
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});
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it('should ensure the result is a json string', function(done) {
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var flow = [{id:"jn1",type:"json",action:"str",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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var count = 0;
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jn2.on("input", function(msg) {
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try {
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should.equal(msg.payload, '{"employees":[{"firstName":"John","lastName":"Smith"}]}');
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count++;
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if (count === 2) {
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done();
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}
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} catch(err) {
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done(err);
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}
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});
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var obj = {employees:[{firstName:"John", lastName:"Smith"}]};
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jn1.receive({payload:obj,topic: "bar"});
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jn1.receive({payload:JSON.stringify(obj),topic: "bar"});
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});
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});
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it('should ensure the result is a JS Object', function(done) {
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var flow = [{id:"jn1",type:"json",action:"obj",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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var count = 0;
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jn2.on("input", function(msg) {
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try {
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msg.should.have.property('topic', 'bar');
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msg.payload.should.have.property('employees');
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msg.payload.employees[0].should.have.property('firstName', 'John');
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msg.payload.employees[0].should.have.property('lastName', 'Smith');
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count++;
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if (count === 2) {
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done();
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}
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} catch(err) {
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done(err);
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}
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});
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var obj = {employees:[{firstName:"John", lastName:"Smith"}]};
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jn1.receive({payload:obj,topic: "bar"});
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jn1.receive({payload:JSON.stringify(obj),topic: "bar"});
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});
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});
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it('should handle any msg property - receive existing string', function(done) {
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var flow = [{id:"jn1",type:"json",property:"one.two",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn2.on("input", function(msg) {
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try {
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msg.should.have.property('topic', 'bar');
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msg.should.have.property('one');
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msg.one.should.have.property('two');
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msg.one.two.should.have.property('employees');
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msg.one.two.employees[0].should.have.property('firstName', 'John');
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msg.one.two.employees[0].should.have.property('lastName', 'Smith');
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done();
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} catch(err) {
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done(err);
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}
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});
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var jsonString = '{"employees":[{"firstName":"John", "lastName":"Smith"}]}';
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jn1.receive({payload:"",one:{two:jsonString},topic: "bar"});
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "json";
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});
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});
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});
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it('should handle any msg property - receive existing obj', function(done) {
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var flow = [{id:"jn1",type:"json",property:"one.two",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn2.on("input", function(msg) {
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try {
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should.equal(msg.one.two, '{"employees":[{"firstName":"John","lastName":"Smith"}]}');
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done();
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} catch(err) {
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done(err);
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}
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});
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var jsonString = '{"employees":[{"firstName":"John", "lastName":"Smith"}]}';
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jn1.receive({payload:"",one:{two:JSON.parse(jsonString)},topic: "bar"});
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "json";
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});
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});
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});
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it('should pass an object if provided a valid JSON string and schema', function(done) {
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var flow = [{id:"jn1",type:"json",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn2.on("input", function(msg) {
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should.equal(msg.payload.number, 3);
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should.equal(msg.payload.string, "allo");
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done();
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});
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var jsonString = '{"number": 3, "string": "allo"}';
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var schema = {title: "testSchema", type: "object", properties: {number: {type: "number"}, string: {type: "string" }}};
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jn1.receive({payload:jsonString, schema:schema});
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});
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});
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it('should pass an object if provided a valid object and schema and action is object', function(done) {
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var flow = [{id:"jn1",type:"json",action:"obj",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn2.on("input", function(msg) {
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should.equal(msg.payload.number, 3);
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should.equal(msg.payload.string, "allo");
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done();
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});
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var obj = {"number": 3, "string": "allo"};
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var schema = {title: "testSchema", type: "object", properties: {number: {type: "number"}, string: {type: "string" }}};
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jn1.receive({payload:obj, schema:schema});
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});
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});
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it('should pass a string if provided a valid object and schema', function(done) {
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var flow = [{id:"jn1",type:"json",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn2.on("input", function(msg) {
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should.equal(msg.payload, '{"number":3,"string":"allo"}');
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done();
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});
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var obj = {"number": 3, "string": "allo"};
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var schema = {title: "testSchema", type: "object", properties: {number: {type: "number"}, string: {type: "string" }}};
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jn1.receive({payload:obj, schema:schema});
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});
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});
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it('should pass a string if provided a valid JSON string and schema and action is string', function(done) {
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var flow = [{id:"jn1",type:"json",action:"str",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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jn2.on("input", function(msg) {
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should.equal(msg.payload, '{"number":3,"string":"allo"}');
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done();
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});
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var jsonString = '{"number":3,"string":"allo"}';
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var schema = {title: "testSchema", type: "object", properties: {number: {type: "number"}, string: {type: "string" }}};
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jn1.receive({payload:jsonString, schema:schema});
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});
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});
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it('should log an error if passed an invalid object and valid schema', function(done) {
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var flow = [{id:"jn1",type:"json",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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try {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
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var schema = {title: "testSchema", type: "object", properties: {number: {type: "number"}, string: {type: "string" }}};
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var obj = {"number": "foo", "string": 3};
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jn1.receive({payload:obj, schema:schema});
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setTimeout(function() {
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try {
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "json";
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});
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logEvents.should.have.length(1);
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logEvents[0][0].should.have.a.property('msg');
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logEvents[0][0].msg.should.startWith("json.errors.schema-error");
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logEvents[0][0].should.have.a.property('level',helper.log().ERROR);
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done();
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} catch(err) { done(err) }
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},50);
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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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it('should log an error if passed an invalid object and valid schema and action is object', function(done) {
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var flow = [{id:"jn1",type:"json",action:"obj",wires:[["jn2"]]},
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{id:"jn2", type:"helper"}];
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helper.load(jsonNode, flow, function() {
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try {
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var jn1 = helper.getNode("jn1");
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var jn2 = helper.getNode("jn2");
|
|
var schema = {title: "testSchema", type: "object", properties: {number: {type: "number"}, string: {type: "string" }}};
|
|
var obj = {"number": "foo", "string": 3};
|
|
jn1.receive({payload:obj, schema:schema});
|
|
setTimeout(function() {
|
|
try {
|
|
var logEvents = helper.log().args.filter(function(evt) {
|
|
return evt[0].type == "json";
|
|
});
|
|
logEvents.should.have.length(1);
|
|
logEvents[0][0].should.have.a.property('msg');
|
|
logEvents[0][0].msg.should.startWith("json.errors.schema-error");
|
|
logEvents[0][0].should.have.a.property('level',helper.log().ERROR);
|
|
done();
|
|
} catch(err) { done(err) }
|
|
},50);
|
|
} catch(err) {
|
|
done(err);
|
|
}
|
|
});
|
|
});
|
|
|
|
it('should log an error if passed an invalid JSON string and valid schema', function(done) {
|
|
var flow = [{id:"jn1",type:"json",wires:[["jn2"]]},
|
|
{id:"jn2", type:"helper"}];
|
|
helper.load(jsonNode, flow, function() {
|
|
try {
|
|
var jn1 = helper.getNode("jn1");
|
|
var jn2 = helper.getNode("jn2");
|
|
var schema = {title: "testSchema", type: "object", properties: {number: {type: "number"}, string: {type: "string" }}};
|
|
var jsonString = '{"number":"Hello","string":3}';
|
|
jn1.receive({payload:jsonString, schema:schema});
|
|
setTimeout(function() {
|
|
try {
|
|
var logEvents = helper.log().args.filter(function(evt) {
|
|
return evt[0].type == "json";
|
|
});
|
|
logEvents.should.have.length(1);
|
|
logEvents[0][0].should.have.a.property('msg');
|
|
logEvents[0][0].msg.should.startWith("json.errors.schema-error");
|
|
logEvents[0][0].should.have.a.property('level',helper.log().ERROR);
|
|
done();
|
|
} catch(err) { done(err) }
|
|
},50);
|
|
} catch(err) {
|
|
done(err);
|
|
}
|
|
});
|
|
});
|
|
|
|
it('should log an error if passed an invalid JSON string and valid schema and action is string', function(done) {
|
|
var flow = [{id:"jn1",type:"json",action:"str",wires:[["jn2"]]},
|
|
{id:"jn2", type:"helper"}];
|
|
helper.load(jsonNode, flow, function() {
|
|
try {
|
|
var jn1 = helper.getNode("jn1");
|
|
var jn2 = helper.getNode("jn2");
|
|
var schema = {title: "testSchema", type: "object", properties: {number: {type: "number"}, string: {type: "string" }}};
|
|
var jsonString = '{"number":"Hello","string":3}';
|
|
jn1.receive({payload:jsonString, schema:schema});
|
|
setTimeout(function() {
|
|
try {
|
|
var logEvents = helper.log().args.filter(function(evt) {
|
|
return evt[0].type == "json";
|
|
});
|
|
logEvents.should.have.length(1);
|
|
logEvents[0][0].should.have.a.property('msg');
|
|
logEvents[0][0].msg.should.startWith("json.errors.schema-error");
|
|
logEvents[0][0].should.have.a.property('level',helper.log().ERROR);
|
|
done();
|
|
} catch(err) { done(err) }
|
|
},50);
|
|
} catch(err) {
|
|
done(err);
|
|
}
|
|
});
|
|
});
|
|
|
|
it('should log an error if passed a valid object and invalid schema', function(done) {
|
|
var flow = [{id:"jn1",type:"json",wires:[["jn2"]]},
|
|
{id:"jn2", type:"helper"}];
|
|
helper.load(jsonNode, flow, function() {
|
|
try {
|
|
var jn1 = helper.getNode("jn1");
|
|
var jn2 = helper.getNode("jn2");
|
|
var schema = "garbage";
|
|
var obj = {"number": "foo", "string": 3};
|
|
jn1.receive({payload:obj, schema:schema});
|
|
setTimeout(function() {
|
|
try {
|
|
var logEvents = helper.log().args.filter(function(evt) {
|
|
return evt[0].type == "json";
|
|
});
|
|
logEvents.should.have.length(1);
|
|
logEvents[0][0].should.have.a.property('msg');
|
|
logEvents[0][0].msg.should.equal("json.errors.schema-error-compile");
|
|
logEvents[0][0].should.have.a.property('level',helper.log().ERROR);
|
|
done();
|
|
} catch(err) { done(err) }
|
|
},50);
|
|
} catch(err) {
|
|
done(err);
|
|
}
|
|
});
|
|
});
|
|
|
|
it('msg.schema property should be deleted before sending to next node (string input)', function(done) {
|
|
var flow = [{id:"jn1",type:"json",action:"str",wires:[["jn2"]]},
|
|
{id:"jn2", type:"helper"}];
|
|
helper.load(jsonNode, flow, function() {
|
|
var jn1 = helper.getNode("jn1");
|
|
var jn2 = helper.getNode("jn2");
|
|
jn2.on("input", function(msg) {
|
|
should.equal(msg.schema, undefined);
|
|
done();
|
|
});
|
|
var jsonString = '{"number":3,"string":"allo"}';
|
|
var schema = {title: "testSchema", type: "object", properties: {number: {type: "number"}, string: {type: "string" }}};
|
|
jn1.receive({payload:jsonString, schema:schema});
|
|
});
|
|
});
|
|
|
|
it('msg.schema property should be deleted before sending to next node (object input)', function(done) {
|
|
var flow = [{id:"jn1",type:"json",action:"str",wires:[["jn2"]]},
|
|
{id:"jn2", type:"helper"}];
|
|
helper.load(jsonNode, flow, function() {
|
|
var jn1 = helper.getNode("jn1");
|
|
var jn2 = helper.getNode("jn2");
|
|
jn2.on("input", function(msg) {
|
|
should.equal(msg.schema, undefined);
|
|
done();
|
|
});
|
|
var jsonObject = {"number":3,"string":"allo"};
|
|
var schema = {title: "testSchema", type: "object", properties: {number: {type: "number"}, string: {type: "string" }}};
|
|
jn1.receive({payload:jsonObject, schema:schema});
|
|
});
|
|
});
|
|
});
|