mirror of
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465 lines
20 KiB
JavaScript
465 lines
20 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 csvNode = require("../../../../nodes/core/parsers/70-CSV.js");
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var helper = require("../../helper.js");
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describe('CSV node', function() {
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before(function(done) {
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helper.startServer(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 be loaded with defaults', function(done) {
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var flow = [{id:"csvNode1", type:"csv", name: "csvNode" }];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("csvNode1");
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n1.should.have.property('name', 'csvNode');
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n1.should.have.property('template', [ '' ]);
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n1.should.have.property('sep', ',');
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n1.should.have.property('quo', '"');
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n1.should.have.property('ret', '\n');
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n1.should.have.property('winflag', false);
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n1.should.have.property('lineend', '\n');
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n1.should.have.property('multi', 'one');
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n1.should.have.property('hdrin', false);
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done();
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});
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});
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describe('csv to json', function() {
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var parts_id = undefined;
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afterEach(function() {
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parts_id = undefined;
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});
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function check_parts(msg, index, count) {
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msg.should.have.property('parts');
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if(parts_id === undefined) {
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parts_id = msg.parts.id;
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}
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else {
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msg.parts.should.have.property('id', parts_id);
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}
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msg.parts.should.have.property('index', index);
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msg.parts.should.have.property('count', count);
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}
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it('should convert a simple csv string to a javascript object', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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msg.should.have.property('payload', { a: 1, b: 2, c: 3, d: 4 });
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check_parts(msg, 0, 1);
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done();
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});
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var testString = "1,2,3,4"+String.fromCharCode(10);
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n1.emit("input", {payload:testString});
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});
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});
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it('should remove quotes and whitespace from template', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:'"a", "b" , " c "," d " ', wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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msg.should.have.property('payload', { a: 1, b: 2, c: 3, d: 4 });
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check_parts(msg, 0, 1);
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done();
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});
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var testString = "1,2,3,4"+String.fromCharCode(10);
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n1.emit("input", {payload:testString});
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});
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});
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it('should create column names if no template provided', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:'', wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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msg.should.have.property('payload', { col1: 1, col2: 2, col3: 3, col4: 4 });
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check_parts(msg, 0, 1);
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done();
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});
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var testString = "1,2,3,4"+String.fromCharCode(10);
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n1.emit("input", {payload:testString});
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});
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});
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it('should allow dropping of fields from the template', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,,,d", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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msg.should.have.property('payload', { a: 1, d: 4 });
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check_parts(msg, 0, 1);
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done();
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});
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var testString = "1,2,3,4"+String.fromCharCode(10);
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n1.emit("input", {payload:testString});
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});
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});
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it('should allow quotes in the input', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d,e,f,g", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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//console.log(msg);
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msg.should.have.property('payload', { a: 1, b: -2, c: '+3', d: 4, e: -5, f: 'ab"cd', g: 'with,a,comma' });
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check_parts(msg, 0, 1);
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done();
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});
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var testString = '"1","-2","+3","04","-05","ab""cd","with,a,comma"'+String.fromCharCode(10);
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n1.emit("input", {payload:testString});
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});
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});
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it('should recover from an odd number of quotes in the input', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d,e,f,g", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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//console.log(msg);
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msg.should.have.property('payload', { a: "with,an", b: "odd,number", c: "ofquotes" });
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//msg.should.have.property('payload', { a: 1, b: -2, c: '+3', d: 4, e: -5, f: 'ab"cd', g: 'with,a,comma' });
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check_parts(msg, 0, 1);
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done();
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});
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var testString = '"with,a"n,odd","num"ber","of"qu"ot"es"'+String.fromCharCode(10);
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n1.emit("input", {payload:testString});
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});
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});
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it('should be able to use the first line as a template', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d", hdrin:true, wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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var c = 0;
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n2.on("input", function(msg) {
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//console.log(msg);
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if (c === 0) {
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msg.should.have.property('payload', { w: 1, x: 2, y: 3, z: 4 });
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check_parts(msg, 0, 2);
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c += 1;
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}
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else {
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msg.should.have.property('payload', { w: 5, x: 6, y: 7, z: 8 });
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check_parts(msg, 1, 2);
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done();
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}
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});
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var testString = "w,x,y,z\n1,2,3,4\n\n5,6,7,8";
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n1.emit("input", {payload:testString});
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});
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});
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it('should be able to output multiple lines as one array', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d", multi:"yes", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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msg.should.have.property('payload', [ { a: 1, b: 2, c: 3, d: 4 },{ a: 5, b: -6, c: 7, d: '+8' },{ a: 9, b: 0, c: 'a', d: 'b' },{ a: 'c', b: 'd', c: 'e', d: 'f' } ]);
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msg.should.not.have.property('parts');
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done();
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});
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var testString = "1,2,3,4\n5,-6,07,+8\n9,0,a,b\nc,d,e,f";
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n1.emit("input", {payload:testString});
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});
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});
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it('should handle numbers in strings but not IP addresses', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d,e", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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msg.should.have.property('payload', { a: "a", b: "127.0.0.1", c: 56.7, d: -32.8, e: "+76.22C" });
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check_parts(msg, 0, 1);
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done();
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});
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var testString = "a,127.0.0.1,56.7,-32.8,+76.22C";
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n1.emit("input", {payload:testString});
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});
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});
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it('should preserve parts property', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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msg.should.have.property('payload', { a: 1, b: 2, c: 3, d: 4 });
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check_parts(msg, 3, 4);
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done();
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});
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var testString = "1,2,3,4"+String.fromCharCode(10);
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n1.emit("input", {payload:testString, parts: {id:"X", index:3, count:4} });
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});
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});
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it('should be able to use the first of multiple parts as a template if parts are present', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"", hdrin:true, wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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var c = 0;
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n2.on("input", function(msg) {
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if (c === 0) {
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msg.should.have.property('payload', { w: 1, x: 2, y: 3, z: 4 });
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check_parts(msg, 0, 2);
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c += 1;
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}
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else {
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msg.should.have.property('payload', { w: 5, x: 6, y: 7, z: 8 });
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check_parts(msg, 1, 2);
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done();
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}
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});
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var testString1 = "w,x,y,z\n";
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var testString2 = "1,2,3,4\n";
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var testString3 = "5,6,7,8\n";
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n1.emit("input", {payload:testString1, parts:{id:"X", index:0, count:3}});
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n1.emit("input", {payload:testString2, parts:{id:"X", index:1, count:3}});
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n1.emit("input", {payload:testString3, parts:{id:"X", index:2, count:3}});
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});
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});
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});
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describe('json object to csv', function() {
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it('should convert a simple object back to a csv', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,b,c,,e", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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try {
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msg.should.have.property('payload', '4,foo,true,,0\n');
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done();
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}
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catch(e) { done(e); }
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});
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var testJson = { e:0, d:1, b:"foo", c:true, a:4 };
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n1.emit("input", {payload:testJson});
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});
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});
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it('should convert a simple object back to a csv with no template', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:" ", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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try {
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msg.should.have.property('payload', '1,foo,"ba""r","di,ng"\n');
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done();
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}
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catch(e) { done(e); }
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});
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var testJson = { d:1, b:"foo", c:"ba\"r", a:"di,ng" };
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n1.emit("input", {payload:testJson});
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});
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});
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it('should handle a template with spaces in the property names', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,b o,c p,,e", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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try {
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msg.should.have.property('payload', '4,foo,true,,0\n');
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done();
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}
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catch(e) { done(e); }
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});
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var testJson = { e:0, d:1, "b o":"foo", "c p":true, a:4 };
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n1.emit("input", {payload:testJson});
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});
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});
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it('should convert an array of objects to a multi-line csv', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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try {
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msg.should.have.property('payload', '4,3,2,1\n1,2,3,4\n');
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done();
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}
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catch(e) { done(e); }
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});
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var testJson = [{ d: 1, b: 3, c: 2, a: 4 },{d:4,a:1,c:3,b:2}];
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n1.emit("input", {payload:testJson});
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});
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});
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it('should convert a simple array back to a csv', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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try {
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msg.should.have.property('payload', ',0,1,foo,"ba""r","di,ng"\n');
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done();
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}
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catch(e) { done(e); }
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});
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var testJson = ["",0,1,"foo",'ba"r','di,ng'];
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n1.emit("input", {payload:testJson});
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});
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});
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it('should convert an array of arrays back to a multi-line csv', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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try {
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msg.should.have.property('payload', '0,1,2,3,4\n4,3,2,1,0\n');
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done();
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}
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catch(e) { done(e); }
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});
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var testJson = [[0,1,2,3,4],[4,3,2,1,0]];
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n1.emit("input", {payload:testJson});
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});
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});
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it('should be able to include column names as first row', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d", hdrout:true, ret:"\r\n", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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try {
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msg.should.have.property('payload', 'a,b,c,d\r\n4,3,2,1\r\n');
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done();
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}
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catch(e) { done(e); }
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});
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var testJson = [{ d: 1, b: 3, c: 2, a: 4 }];
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n1.emit("input", {payload:testJson});
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});
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});
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it('should handle quotes and sub-properties', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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try {
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msg.should.have.property('payload', '{},"text,with,commas","This ""is"" a banana","{""sub"":""object""}"\n');
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done();
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}
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catch(e) { done(e); }
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});
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var testJson = { d: {sub:"object"}, b: "text,with,commas", c: 'This "is" a banana', a: {sub2:undefined} };
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n1.emit("input", {payload:testJson});
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});
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});
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});
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it('should just pass through if no payload provided', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d", wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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try {
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msg.should.have.property('topic', { a: 4, b: 3, c: 2, d: 1 });
|
|
msg.should.not.have.property('payload');
|
|
|
|
done();
|
|
}
|
|
catch(e) { done(e); }
|
|
});
|
|
var testJson = { d: 1, b: 3, c: 2, a: 4 };
|
|
n1.emit("input", {topic:testJson});
|
|
});
|
|
});
|
|
|
|
it('should warn if provided a number or boolean', function(done) {
|
|
var flow = [ { id:"n1", type:"csv", temp:"a,b,c,d", wires:[["n2"]] },
|
|
{id:"n2", type:"helper"} ];
|
|
helper.load(csvNode, flow, function() {
|
|
var n1 = helper.getNode("n1");
|
|
var n2 = helper.getNode("n2");
|
|
setTimeout(function() {
|
|
try {
|
|
var logEvents = helper.log().args.filter(function(evt) {
|
|
return evt[0].type == "csv";
|
|
});
|
|
logEvents.should.have.length(2);
|
|
logEvents[0][0].should.have.a.property('msg');
|
|
logEvents[0][0].msg.toString().should.startWith('csv.errors.csv_js');
|
|
logEvents[1][0].should.have.a.property('msg');
|
|
logEvents[1][0].msg.toString().should.startWith('csv.errors.csv_js');
|
|
done();
|
|
} catch(err) {
|
|
done(err);
|
|
}
|
|
},150);
|
|
n1.emit("input", {payload:1});
|
|
n1.emit("input", {payload:true});
|
|
});
|
|
});
|
|
|
|
});
|