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node-red/test/nodes/core/logic/17-split_spec.js

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/**
Update copyright header for JS Foundation
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* Copyright JS Foundation and other contributors, http://js.foundation
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*
* 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 splitNode = require("../../../../nodes/core/logic/17-split.js");
var joinNode = require("../../../../nodes/core/logic/17-split.js");
var helper = require("../../helper.js");
describe('SPLIT node', function() {
before(function(done) {
helper.startServer(done);
});
afterEach(function() {
helper.unload();
});
it('should be loaded', function(done) {
var flow = [{id:"splitNode1", type:"split", name:"splitNode" }];
helper.load(splitNode, flow, function() {
var splitNode1 = helper.getNode("splitNode1");
splitNode1.should.have.property('name', 'splitNode');
done();
});
});
it('should split an array into multiple messages', function(done) {
var flow = [{id:"sn1", type:"split", wires:[["sn2"]]},
{id:"sn2", type:"helper"}];
helper.load(splitNode, flow, function() {
var sn1 = helper.getNode("sn1");
var sn2 = helper.getNode("sn2");
sn2.on("input", function(msg) {
msg.should.have.property("parts");
msg.parts.should.have.property("count",4);
msg.parts.should.have.property("type","array");
msg.parts.should.have.property("index");
if (msg.parts.index === 0) { msg.payload.should.equal(1); }
if (msg.parts.index === 1) { msg.payload.should.equal(2); }
if (msg.parts.index === 2) { msg.payload.should.equal(3); }
if (msg.parts.index === 3) { msg.payload.should.equal(4); done(); }
});
sn1.receive({payload:[1,2,3,4]});
});
});
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it('should split an array into multiple messages of a specified size', function(done) {
var flow = [{id:"sn1", type:"split", wires:[["sn2"]], arraySplt:3, arraySpltType:"len"},
{id:"sn2", type:"helper"}];
helper.load(splitNode, flow, function() {
var sn1 = helper.getNode("sn1");
var sn2 = helper.getNode("sn2");
sn2.on("input", function(msg) {
msg.should.have.property("parts");
msg.parts.should.have.property("count",2);
msg.parts.should.have.property("type","array");
msg.parts.should.have.property("index");
msg.payload.should.be.an.Array;
if (msg.parts.index === 0) { msg.payload.length.should.equal(3); }
if (msg.parts.index === 1) { msg.payload.length.should.equal(1); done(); }
});
sn1.receive({payload:[1,2,3,4]});
});
});
it('should split an object into pieces', function(done) {
var flow = [{id:"sn1", type:"split", wires:[["sn2"]]},
{id:"sn2", type:"helper"}];
helper.load(splitNode, flow, function() {
var sn1 = helper.getNode("sn1");
var sn2 = helper.getNode("sn2");
var count = 0;
sn2.on("input", function(msg) {
msg.should.have.property("payload");
msg.should.have.property("parts");
msg.parts.should.have.property("type","object");
msg.parts.should.have.property("key");
msg.parts.should.have.property("count");
msg.parts.should.have.property("index");
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msg.topic.should.equal("foo");
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if (msg.parts.index === 0) { msg.payload.should.equal(1); }
if (msg.parts.index === 1) { msg.payload.should.equal("2"); }
if (msg.parts.index === 2) { msg.payload.should.equal(true); done(); }
});
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sn1.receive({topic:"foo",payload:{a:1,b:"2",c:true}});
});
});
it('should split an object into pieces and overwrite their topics', function(done) {
var flow = [{id:"sn1", type:"split", addname:true, addfname:"topic", wires:[["sn2"]]},
{id:"sn2", type:"helper"}];
helper.load(splitNode, flow, function() {
var sn1 = helper.getNode("sn1");
var sn2 = helper.getNode("sn2");
var count = 0;
sn2.on("input", function(msg) {
msg.should.have.property("payload");
msg.should.have.property("parts");
msg.parts.should.have.property("type","object");
msg.parts.should.have.property("key");
msg.parts.should.have.property("count");
msg.parts.should.have.property("index");
if (msg.parts.index === 0) { msg.payload.should.equal(1); msg.topic.should.equal("a"); }
if (msg.parts.index === 1) { msg.payload.should.equal("2"); msg.topic.should.equal("b"); }
if (msg.parts.index === 2) { msg.payload.should.equal(true); msg.topic.should.equal("c"); done(); }
});
sn1.receive({topic:"foo",payload:{a:1,b:"2",c:true}});
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});
});
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it('should split a string into new-lines', function(done) {
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var flow = [{id:"sn1", type:"split", wires:[["sn2"]]},
{id:"sn2", type:"helper"}];
helper.load(splitNode, flow, function() {
var sn1 = helper.getNode("sn1");
var sn2 = helper.getNode("sn2");
sn2.on("input", function(msg) {
msg.should.have.property("parts");
msg.parts.should.have.property("count",4);
msg.parts.should.have.property("type","string");
msg.parts.should.have.property("index");
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if (msg.parts.index === 0) { msg.payload.should.equal("Da"); }
if (msg.parts.index === 1) { msg.payload.should.equal("ve"); }
if (msg.parts.index === 2) { msg.payload.should.equal(" "); }
if (msg.parts.index === 3) { msg.payload.should.equal("CJ"); done(); }
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});
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sn1.receive({payload:"Da\nve\n \nCJ"});
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});
});
it('should split a string on a specified char', function(done) {
var flow = [{id:"sn1", type:"split", wires:[["sn2"]], splt:"\n"},
{id:"sn2", type:"helper"}];
helper.load(splitNode, flow, function() {
var sn1 = helper.getNode("sn1");
var sn2 = helper.getNode("sn2");
sn2.on("input", function(msg) {
msg.should.have.property("parts");
msg.parts.should.have.property("count",3);
msg.parts.should.have.property("ch","\n");
msg.parts.should.have.property("index");
msg.parts.should.have.property("type","string");
if (msg.parts.index === 0) { msg.payload.should.equal("1"); }
if (msg.parts.index === 1) { msg.payload.should.equal("2"); }
if (msg.parts.index === 2) { msg.payload.should.equal("3"); done(); }
});
sn1.receive({payload:"1\n2\n3"});
});
});
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it('should split a string into lengths', function(done) {
var flow = [{id:"sn1", type:"split", wires:[["sn2"]], splt:"2", spltType:"len"},
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{id:"sn2", type:"helper"}];
helper.load(splitNode, flow, function() {
var sn1 = helper.getNode("sn1");
var sn2 = helper.getNode("sn2");
sn2.on("input", function(msg) {
msg.should.have.property("parts");
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msg.parts.should.have.property("count",4);
msg.parts.should.have.property("ch","");
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msg.parts.should.have.property("index");
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msg.parts.should.have.property("type","string");
if (msg.parts.index === 0) { msg.payload.should.equal("12"); }
if (msg.parts.index === 1) { msg.payload.should.equal("34"); }
if (msg.parts.index === 2) { msg.payload.should.equal("56"); }
if (msg.parts.index === 3) { msg.payload.should.equal("78"); done(); }
});
sn1.receive({payload:"12345678"});
});
});
it('should split a string on a specified char in stream mode', function(done) {
var flow = [{id:"sn1", type:"split", wires:[["sn2"]], splt:"\n", stream:true},
{id:"sn2", type:"helper"}];
helper.load(splitNode, flow, function() {
var sn1 = helper.getNode("sn1");
var sn2 = helper.getNode("sn2");
sn2.on("input", function(msg) {
msg.should.have.property("parts");
msg.parts.should.have.property("ch","\n");
msg.parts.should.have.property("index");
msg.parts.should.have.property("type","string");
if (msg.parts.index === 0) { msg.payload.should.equal("1"); }
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if (msg.parts.index === 1) { msg.payload.should.equal("2"); }
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if (msg.parts.index === 2) { msg.payload.should.equal("3"); }
if (msg.parts.index === 3) { msg.payload.should.equal("4"); }
if (msg.parts.index === 4) { msg.payload.should.equal("5"); }
if (msg.parts.index === 5) { msg.payload.should.equal("6"); done(); }
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});
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sn1.receive({payload:"1\n2\n3\n"});
sn1.receive({payload:"4\n5\n6\n"});
});
});
it('should split a buffer into lengths', function(done) {
var flow = [{id:"sn1", type:"split", wires:[["sn2"]], splt:"2", spltType:"len"},
{id:"sn2", type:"helper"}];
helper.load(splitNode, flow, function() {
var sn1 = helper.getNode("sn1");
var sn2 = helper.getNode("sn2");
sn2.on("input", function(msg) {
//console.log(msg);
msg.should.have.property("parts");
msg.payload.should.be.a.Buffer;
msg.parts.should.have.property("count",4);
msg.parts.should.have.property("index");
msg.parts.should.have.property("type","buffer");
if (msg.parts.index === 0) { msg.payload.toString().should.equal("12"); }
if (msg.parts.index === 1) { msg.payload.toString().should.equal("34"); }
if (msg.parts.index === 2) { msg.payload.toString().should.equal("56"); }
if (msg.parts.index === 3) { msg.payload.toString().should.equal("78"); done(); }
});
var b = new Buffer.from("12345678");
sn1.receive({payload:b});
});
});
it('should split a buffer on another buffer (streaming)', function(done) {
var flow = [{id:"sn1", type:"split", wires:[["sn2"]], splt:"[52]", spltType:"bin", stream:true},
{id:"sn2", type:"helper"}];
helper.load(splitNode, flow, function() {
var sn1 = helper.getNode("sn1");
var sn2 = helper.getNode("sn2");
sn2.on("input", function(msg) {
//console.log(msg);
msg.should.have.property("parts");
msg.payload.should.be.a.Buffer;
msg.parts.should.have.property("index");
msg.parts.should.have.property("type","buffer");
if (msg.parts.index === 0) { msg.payload.toString().should.equal("123"); }
if (msg.parts.index === 1) { msg.payload.toString().should.equal("123"); }
if (msg.parts.index === 2) { msg.payload.toString().should.equal("123"); done(); }
});
var b1 = new Buffer.from("123412");
var b2 = new Buffer.from("341234");
sn1.receive({payload:b1});
sn1.receive({payload:b2});
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});
});
});
describe('JOIN node', function() {
before(function(done) {
helper.startServer(done);
});
afterEach(function() {
helper.unload();
});
it('should be loaded', function(done) {
var flow = [{id:"joinNode1", type:"join", name:"joinNode" }];
helper.load(joinNode, flow, function() {
var joinNode1 = helper.getNode("joinNode1");
joinNode1.should.have.property('name', 'joinNode');
joinNode1.should.have.property('count', 0);
joinNode1.should.have.property('timer', 0);
joinNode1.should.have.property('build', 'array');
done();
});
});
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it('should join bits of string back together automatically', function(done) {
var flow = [{id:"n1", type:"join", wires:[["n2"]], joiner:",", build:"string", mode:"auto"},
{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
msg.payload.should.equal("A,B,C,D");
done();
}
catch(e) {done(e);}
});
n1.receive({payload:"A", parts:{id:1, type:"string", ch:",", index:0, count:4}});
n1.receive({payload:"B", parts:{id:1, type:"string", ch:",", index:1, count:4}});
n1.receive({payload:"C", parts:{id:1, type:"string", ch:",", index:2, count:4}});
n1.receive({payload:"D", parts:{id:1, type:"string", ch:",", index:3, count:4}});
});
});
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it('should join things into an array after a count', function(done) {
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var flow = [{id:"n1", type:"join", wires:[["n2"]], count:3, joiner:",",mode:"custom"},
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{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
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msg.payload.should.be.an.Array();
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msg.payload[0].should.equal(1);
msg.payload[1].should.equal(true);
//msg.payload[2].a.should.equal(1);
done();
}
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catch(e) {done(e);}
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});
n1.receive({payload:1});
n1.receive({payload:true});
n1.receive({payload:{a:1}});
});
});
it('should join things into an object after a count', function(done) {
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var flow = [{id:"n1", type:"join", wires:[["n2"]], count:5, build:"object", mode:"custom"},
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{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
msg.payload.should.have.property("a",1);
msg.payload.should.have.property("b","2");
msg.payload.should.have.property("c",true);
msg.payload.should.have.property("d");
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msg.payload.d.should.have.property("e",7);
msg.payload.should.have.property("g");
msg.payload.g.should.have.property("f",6);
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done();
}
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catch(e) { done(e)}
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});
n1.receive({payload:1, topic:"a"});
n1.receive({payload:"2", topic:"b"});
n1.receive({payload:true, topic:"c"});
n1.receive({payload:{e:5}, topic:"d"});
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n1.receive({payload:{e:7}, topic:"d"});
n1.receive({payload:{f:6}, topic:"g"});
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});
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});
it('should merge objects', function(done) {
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var flow = [{id:"n1", type:"join", wires:[["n2"]], count:5, build:"merged", mode:"custom"},
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{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
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msg.payload.should.have.property("a",1);
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msg.payload.should.have.property("b",2);
msg.payload.should.have.property("c",3);
msg.payload.should.have.property("d",4);
msg.payload.should.have.property("e",5);
done();
}
catch(e) { done(e)}
});
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n1.receive({payload:{a:9}, topic:"f"});
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n1.receive({payload:{a:1}, topic:"a"});
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n1.receive({payload:{b:9}, topic:"b"});
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n1.receive({payload:{b:2}, topic:"b"});
n1.receive({payload:{c:3}, topic:"c"});
n1.receive({payload:{d:4}, topic:"d"});
n1.receive({payload:{e:5}, topic:"e"});
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});
});
it('should accumulate a merged object', function(done) {
var flow = [{id:"n1", type:"join", wires:[["n2"]], build:"merged",mode:"custom",accumulate:true},
{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var c = 0;
n2.on("input", function(msg) {
if (c === 5) {
try {
msg.should.have.property("payload");
msg.payload.should.have.property("a",3);
msg.payload.should.have.property("b",2);
msg.payload.should.have.property("c",1);
done();
}
catch(e) { done(e) }
}
c += 1;
});
n1.receive({payload:{a:1}, topic:"a"});
n1.receive({payload:{b:2}, topic:"b"});
n1.receive({payload:{c:3}, topic:"c"});
n1.receive({payload:{a:3}, topic:"d"});
n1.receive({payload:{b:2}, topic:"e"});
n1.receive({payload:{c:1}, topic:"f"});
});
});
it('should be able to reset an accumulation', function(done) {
var flow = [{id:"n1", type:"join", wires:[["n2"]], build:"merged",accumulate:true,mode:"custom"},
{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var c = 0;
n2.on("input", function(msg) {
if (c === 3) {
try {
msg.should.have.property("payload");
msg.payload.should.have.property("a",1);
msg.payload.should.have.property("b",2);
msg.payload.should.have.property("c",3);
msg.payload.should.have.property("d",4);
}
catch(e) { done(e) }
}
if (c === 5) {
try {
msg.should.have.property("payload");
msg.payload.should.have.property("b",2);
msg.payload.should.have.property("c",1);
done();
}
catch(e) { done(e) }
}
c += 1;
});
n1.receive({payload:{a:1}, topic:"a"});
n1.receive({payload:{b:2}, topic:"b"});
n1.receive({payload:{c:3}, topic:"c"});
n1.receive({payload:{d:4}, topic:"d", complete:true});
n1.receive({payload:{b:2}, topic:"e"});
n1.receive({payload:{c:1}, topic:"f"});
});
});
it('should accumulate a key/value object', function(done) {
var flow = [{id:"n1", type:"join", wires:[["n2"]], build:"object", accumulate:true, mode:"custom", topic:"bar", key:"foo", count:4},
{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var c = 0;
n2.on("input", function(msg) {
try {
//msg.should.have.property("topic","bar");
msg.should.have.property("payload");
msg.payload.should.have.property("a",1);
msg.payload.should.have.property("b",2);
msg.payload.should.have.property("c",3);
msg.payload.should.have.property("d",4);
done();
}
catch(e) { done(e) }
});
n1.receive({payload:1, foo:"a"});
n1.receive({payload:2, foo:"b"});
n1.receive({payload:3, foo:"c"});
n1.receive({payload:4, foo:"d"});
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});
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});
it('should join strings with a specifed character after a timeout', function(done) {
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var flow = [{id:"n1", type:"join", wires:[["n2"]], build:"string", timeout:0.05, count:10, joiner:",",mode:"custom"},
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{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
msg.payload.should.equal("a,b,c");
done();
}
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catch(e) { done(e) }
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});
n1.receive({payload:"a"});
n1.receive({payload:"b"});
n1.receive({payload:"c"});
});
});
it('should join strings with a specifed character and complete when told to', function(done) {
Update split node docs
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var flow = [{id:"n1", type:"join", wires:[["n2"]], build:"string", timeout:5, count:100, joiner:"\n",mode:"custom"},
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{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
msg.payload.should.equal("Hello\nNodeRED\nWorld\n");
done();
}
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catch(e) { done(e) }
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});
n1.receive({payload:"Hello"});
n1.receive({payload:"NodeRED"});
n1.receive({payload:"World"});
n1.receive({payload:'', complete:true});
});
});
it('should join split things back into an array', function(done) {
var flow = [{id:"n1", type:"join", wires:[["n2"]]},
{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
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msg.payload.should.be.an.Array();
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msg.payload[0].should.equal(1);
msg.payload[1].should.equal(2);
msg.payload[2].should.equal(3);
msg.payload[3].should.equal(4);
done();
}
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catch(e) { done(e); }
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});
n1.receive({payload:3, parts:{index:2, count:4, id:111}});
n1.receive({payload:2, parts:{index:1, count:4, id:111}});
n1.receive({payload:4, parts:{index:3, count:4, id:111}});
n1.receive({payload:1, parts:{index:0, count:4, id:111}});
});
});
it('should join split things back into an object', function(done) {
var flow = [{id:"n1", type:"join", wires:[["n2"]]},
{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
msg.payload.should.have.property("a",1);
msg.payload.should.have.property("b",2);
msg.payload.should.have.property("c",3);
msg.payload.should.have.property("d",4);
done();
}
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catch(e) { done(e); }
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});
n1.receive({payload:3, parts:{index:2, count:4, id:222, key:"c", type:"object"}});
n1.receive({payload:2, parts:{index:1, count:4, id:222, key:"b", type:"object"}});
n1.receive({payload:4, parts:{index:3, count:4, id:222, key:"d", type:"object"}});
n1.receive({payload:1, parts:{index:0, count:4, id:222, key:"a", type:"object"}});
});
});
it('should join split things, send when told complete', function(done) {
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var flow = [{id:"n1", type:"join", wires:[["n2"]], timeout:0.250},
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{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
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msg.payload.should.be.an.Array();
(msg.payload[0] === undefined).should.be.true();
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msg.payload[1].should.equal(2);
msg.payload[2].should.equal(3);
msg.payload[3].should.equal(4);
done();
}
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catch(e) { done(e); }
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});
n1.receive({payload:3, parts:{index:2, count:4, id:444} });
n1.receive({payload:2, parts:{index:1, count:4, id:444} });
n1.receive({payload:4, parts:{index:3, count:4, id:444}, complete:true});
});
});
it('should join split strings back into a word', function(done) {
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var flow = [{id:"n1", type:"join", mode:"auto", wires:[["n2"]]},
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{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
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msg.payload.should.be.an.String();
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msg.payload.should.equal("abcd");
done();
}
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catch(e) { done(e); }
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});
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n1.receive({payload:"a", parts:{type:'string',index:0, count:4, ch:"", id:555}});
n1.receive({payload:"d", parts:{type:'string',index:3, count:4, ch:"", id:555}});
n1.receive({payload:"c", parts:{type:'string',index:2, count:4, ch:"", id:555}});
n1.receive({payload:"b", parts:{type:'string',index:1, count:4, ch:"", id:555}});
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});
});
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it('should allow chained split-split-join-join sequences', function(done) {
var flow = [{id:"s1", type:"split",wires:[["s2"]]},
{id:"s2", type:"split",wires:[["j1"]]},
{id:"j1", type:"join", mode:"auto", wires:[["j2"]]},
{id:"j2", type:"join", mode:"auto", wires:[["n2"]]},
{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var s1 = helper.getNode("s1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
msg.payload.should.eql([[1,2,3],"a\nb\nc",[7,8,9]]);
done();
}
catch(e) { done(e); }
});
s1.receive({payload:[[1,2,3],"a\nb\nc",[7,8,9]]});
});
})
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});
Reference in New Issue Copy Permalink