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Tests for HTML node

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hbeeken 2014-08-06 11:34:30 +01:00
parent 495dd3f2e0
commit 82fb15896c
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/**
* 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 sinon = require("sinon");
var path = require("path");
var fs = require('fs-extra');
var htmlNode = require("../../../../nodes/core/parsers/70-HTML.js");
var helper = require("../../helper.js");
describe('html node', function() {
var resourcesDir = __dirname+ path.sep + ".." + path.sep + ".." + path.sep + ".." + path.sep + "resources" + path.sep;
var file = path.join(resourcesDir, "70-HTML-test-file.html");
before(function(done) {
helper.startServer(done);
});
beforeEach(function() {
fs.existsSync(file).should.be.true;
});
afterEach(function() {
helper.unload();
});
it('should be loaded', function(done) {
var flow = [{id:"htmlNode1", type:"html", name: "htmlNode" }];
helper.load(htmlNode, flow, function() {
var htmlNode1 = helper.getNode("htmlNode1");
htmlNode1.should.have.property('name', 'htmlNode');
done();
});
});
it('should retrieve header contents as default', function(done) {
fs.readFile(file, 'utf8', function(err, data) {
var flow = [{id:"n1",type:"html",wires:[["n2"]],func:"return msg;"},
{id:"n2", type:"helper"}];
helper.load(htmlNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
should.equal(msg.payload, 'This is a test page for node 70-HTML');
done();
});
n1.receive({payload:data,topic: "bar"});
});
});
});
it('should retrieve paragraph contents when specified', function(done) {
fs.readFile(file, 'utf8', function(err, data) {
var flow = [{id:"n1",type:"html",wires:[["n2"]],func:"return msg;",tag:"p"},
{id:"n2", type:"helper"}];
helper.load(htmlNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
should.equal(msg.payload, 'There\'s nothing to read here.');
done();
});
n1.receive({payload:data,topic: "bar"});
});
});
});
it('should retrieve list contents as an array of html as default', function(done) {
fs.readFile(file, 'utf8', function(err, data) {
var flow = [{id:"n1",type:"html",wires:[["n2"]],func:"return msg;",tag:"ol"},
{id:"n2", type:"helper"}];
helper.load(htmlNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.payload[0].indexOf("<li>Blue</li>").should.be.above(-1);
msg.payload[0].indexOf("<li>Red</li>").should.be.above(-1);
done();
});
n1.receive({payload:data,topic: "bar"});
});
});
});
it('should retrieve list contents as an array of text', function(done) {
fs.readFile(file, 'utf8', function(err, data) {
var flow = [{id:"n1",type:"html",wires:[["n2"]],func:"return msg;",tag:"ol",ret:"text"},
{id:"n2", type:"helper"}];
helper.load(htmlNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.payload.should.be.instanceof(Array).and.have.lengthOf(1);
msg.payload[0].indexOf("Blue").should.be.above(-1);
msg.payload[0].indexOf("Red").should.be.above(-1);
done();
});
n1.receive({payload:data,topic: "bar"});
});
});
});
it('should log on error', function(done) {
fs.readFile(file,function(err, data) {
var flow = [{id:"n1",type:"html",wires:[["n2"]],func:"return msg;",tag:"p"},
{id:"n2", type:"helper"}];
helper.load(htmlNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n1.on("log", function(msg) {
msg.should.have.property('msg');
msg.msg.indexOf("Error:").should.be.above(-1);
msg.msg.should.startWith("Error:");
done();
});
n1.receive({payload:data,topic: "bar"});
});
});
});
describe('multiple messages', function(){
var cnt = 0;
afterEach(function() {
cnt.should.be.exactly(2);
cnt = 0;
});
it('should retrieve list contents as html as default with output as multiple msgs ', function(done) {
fs.readFile(file, 'utf8', function(err, data) {
var flow = [{id:"n1",type:"html",wires:[["n2"]],func:"return msg;",tag:"ul",as:"multi"},
{id:"n2", type:"helper"}];
helper.load(htmlNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
cnt++;
msg.should.have.property('topic', 'bar');
if (cnt !== 1 && cnt !== 2) {
return false;
}
if (cnt === 1) {
msg.payload.indexOf("<li>Apple</li>").should.be.above(-1);
msg.payload.indexOf("<li>Pear</li>").should.be.above(-1);
} else if (cnt === 2) {
msg.payload.indexOf("<li>Potato</li>").should.be.above(-1);
msg.payload.indexOf("<li>Parsnip</li>").should.be.above(-1);
done();
}
});
n1.receive({payload:data,topic: "bar"});
});
});
});
it('should retrieve list contents as text with output as multiple msgs ', function(done) {
fs.readFile(file, 'utf8', function(err, data) {
var flow = [{id:"n1",type:"html",wires:[["n2"]],func:"return msg;",tag:"ul",ret:"text",as:"multi"},
{id:"n2", type:"helper"}];
helper.load(htmlNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
cnt++;
msg.should.have.property('topic', 'bar');
if (cnt !== 1 && cnt !== 2) {
return false;
}
if (cnt === 1) {
msg.payload.indexOf("Apple").should.be.above(-1);
msg.payload.indexOf("Pear").should.be.above(-1);
} else if (cnt === 2) {
msg.payload.indexOf("Potato").should.be.above(-1);
msg.payload.indexOf("Parsnip").should.be.above(-1);
done();
}
});
n1.receive({payload:data,topic: "bar"});
});
});
});
});
});

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<!DOCTYPE html>
<html>
<body>
<h1>This is a test page for node 70-HTML</h1>
<p>There's nothing to read here.</p>
<ol id="colours">
<li>Blue</li>
<li>Red</li>
</ol>
<ul id="fruits">
<li>Apple</li>
<li>Pear</li>
</ul>
<ul id="vegetables">
<li>Potato</li>
<li>Parsnip</li>
</ul>
</body>
</html>