frodovdr/node-red
1
0
Fork 0
mirror of https://github.com/node-red/node-red.git synced 2025-03-01 10:36:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added YAML parser node (#1034)

Browse Source 
Thanks @natcl -
(sorry pressed closed by mistake !)
* Added YAML parser node

* Added YAML error strings in messages.json

* Change location of YAML library import

* Remove copyright

* Remove copyright

* Change order of yaml in Template node

* Add YAML test

* Add working test
This commit is contained in:
Nathanaël Lécaudé
2016-11-11 05:22:05 +08:00
committed by Dave Conway-Jones
parent b1ab26e3ad
commit 9bbc8eda9d
7 changed files with 230 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

156
test/nodes/core/parsers/70-YAML_spec.js Normal file
View File

@@ -0,0 +1,156 @@
/**
* 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 yamlNode = require("../../../../nodes/core/parsers/70-YAML.js");
var helper = require("../../helper.js");
describe('YAML node', function() {
before(function(done) {
helper.startServer(done);
});
afterEach(function() {
helper.unload();
});
it('should be loaded', function(done) {
var flow = [{id:"yamlNode1", type:"yaml", name: "yamlNode" }];
helper.load(yamlNode, flow, function() {
var yamlNode1 = helper.getNode("yamlNode1");
yamlNode1.should.have.property('name', 'yamlNode');
done();
});
});
it('should convert a valid yaml string to a javascript object', function(done) {
var flow = [{id:"yn1",type:"yaml",wires:[["yn2"]],func:"return msg;"},
{id:"yn2", type:"helper"}];
helper.load(yamlNode, flow, function() {
var yn1 = helper.getNode("yn1");
var yn2 = helper.getNode("yn2");
yn2.on("input", function(msg) {
console.log('msg', msg);
console.log('payload', msg.payload.employees[0]);
msg.should.have.property('topic', 'bar');
msg.payload.should.have.property('employees');
msg.payload.employees[0].should.have.property('firstName', 'John');
msg.payload.employees[0].should.have.property('lastName', 'Smith');
done();
});
var yamlString = "employees:\n - firstName: John\n lastName: Smith\n";
yn1.receive({payload:yamlString,topic: "bar"});
});
});
it('should convert a javascript object to a yaml string', function(done) {
var flow = [{id:"yn1",type:"yaml",wires:[["yn2"]],func:"return msg;"},
{id:"yn2", type:"helper"}];
helper.load(yamlNode, flow, function() {
var yn1 = helper.getNode("yn1");
var yn2 = helper.getNode("yn2");
yn2.on("input", function(msg) {
should.equal(msg.payload, "employees:\n - firstName: John\n lastName: Smith\n");
done();
});
var obj = {employees:[{firstName:"John", lastName:"Smith"}]};
yn1.receive({payload:obj});
});
});
it('should convert an array to a yaml string', function(done) {
var flow = [{id:"yn1",type:"yaml",wires:[["yn2"]],func:"return msg;"},
{id:"yn2", type:"helper"}];
helper.load(yamlNode, flow, function() {
var yn1 = helper.getNode("yn1");
var yn2 = helper.getNode("yn2");
yn2.on("input", function(msg) {
should.equal(msg.payload, "- 1\n- 2\n- 3\n");
done();
});
var obj = [1,2,3];
yn1.receive({payload:obj});
});
});
it('should log an error if asked to parse an invalid yaml string', function(done) {
var flow = [{id:"yn1",type:"yaml",wires:[["yn2"]],func:"return msg;"},
{id:"yn2", type:"helper"}];
helper.load(yamlNode, flow, function() {
try {
var yn1 = helper.getNode("yn1");
var yn2 = helper.getNode("yn2");
yn1.receive({payload:'employees:\n-firstName: John\n- lastName: Smith\n',topic: "bar"});
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].type == "yaml";
});
logEvents.should.have.length(1);
logEvents[0][0].should.have.a.property('msg');
logEvents[0][0].msg.should.startWith("end of the stream");
logEvents[0][0].should.have.a.property('level',helper.log().ERROR);
done();
} catch(err) {
done(err);
}
});
});
it('should log an error if asked to parse something thats not yaml or js', function(done) {
var flow = [{id:"yn1",type:"yaml",wires:[["yn2"]],func:"return msg;"},
{id:"yn2", type:"helper"}];
helper.load(yamlNode, flow, function() {
var yn1 = helper.getNode("yn1");
var yn2 = helper.getNode("yn2");
setTimeout(function() {
try {
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].type == "yaml";
});
logEvents.should.have.length(3);
logEvents[0][0].should.have.a.property('msg');
logEvents[0][0].msg.toString().should.eql('yaml.errors.dropped');
logEvents[1][0].should.have.a.property('msg');
logEvents[1][0].msg.toString().should.eql('yaml.errors.dropped');
logEvents[2][0].should.have.a.property('msg');
logEvents[2][0].msg.toString().should.eql('yaml.errors.dropped-object');
done();
} catch(err) {
done(err);
}
},150);
yn1.receive({payload:true});
yn1.receive({payload:1});
yn1.receive({payload:new Buffer("a")});
});
});
it('should pass straight through if no payload set', function(done) {
var flow = [{id:"yn1",type:"yaml",wires:[["yn2"]],func:"return msg;"},
{id:"yn2", type:"helper"}];
helper.load(yamlNode, flow, function() {
var yn1 = helper.getNode("yn1");
var yn2 = helper.getNode("yn2");
yn2.on("input", function(msg) {
msg.should.have.property('topic', 'bar');
msg.should.not.have.property('payload');
done();
});
yn1.receive({topic: "bar"});
});
});
});