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node-red/test/nodes/core/logic/10-switch_spec.js

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/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* 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 switchNode = require("../../../../nodes/core/logic/10-switch.js");
var helper = require("node-red-node-test-helper");
var RED = require("../../../../red/red.js");
var Context = require("../../../../red/runtime/nodes/context");
describe('switch Node', function() {
beforeEach(function(done) {
helper.startServer(done);
});
function initContext(done) {
Context.init({
contextStorage: {
memory: {
module: "memory"
}
}
});
Context.load().then(function () {
done();
});
}
afterEach(function(done) {
helper.unload().then(function(){
RED.settings.nodeMessageBufferMaxLength = 0;
helper.stopServer(done);
});
});
it('should be loaded with some defaults', function(done) {
var flow = [{"id":"switchNode1","type":"switch","name":"switchNode"}];
helper.load(switchNode, flow, function() {
var switchNode1 = helper.getNode("switchNode1");
switchNode1.should.have.property('name', 'switchNode');
switchNode1.should.have.property('checkall', "true");
switchNode1.should.have.property('rules', []);
done();
});
});
/**
* Test a switch node where one argument is consumed by the rule (such as greater than).
* @param rule - the switch rule (see 10-switc.js) string we're using
* @param ruleWith - whatever the rule should be executed with (say greater than 5)
* @param aCheckall - whether the switch flow should have the checkall flag set to true/false
* @param shouldReceive - whether the helper node should receive a payload
* @param sendPayload - the payload message we're sending
* @param done - callback when done
*/
function genericSwitchTest(rule, ruleWith, aCheckall, shouldReceive, sendPayload, done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":rule,"v":ruleWith}],checkall:aCheckall,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSwitchTest(flow, shouldReceive, sendPayload, done);
}
/**
* Test a switch node where NO arguments are consumed by the rule (such as TRUE/FALSE)
* @param rule - the switch rule (see 10-switc.js) string we're using
* @param aCheckall - whether the switch flow should have the checkall flag set to true/false
* @param shouldReceive - whether the helper node should receive a payload
* @param sendPayload - the payload message we're sending
* @param done - callback when done
*/
function singularSwitchTest(rule, aCheckall, shouldReceive, sendPayload, done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":rule}],checkall:aCheckall,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSwitchTest(flow, shouldReceive, sendPayload, done);
}
/**
* Test a switch node where two arguments are consumed by the rule (such as between).
* @param rule - the switch rule (see 10-switc.js) string we're using
* @param ruleWith - whatever the rule should be executed with (say between 5...)
* @param ruleWith2 - whatever the rule should be executed with (say ...and 5)
* @param aCheckall - whether the switch flow should have the checkall flag set to true/false
* @param shouldReceive - whether the helper node should receive a payload
* @param sendPayload - the payload message we're sending
* @param done - callback when done
*/
function twoFieldSwitchTest(rule, ruleWith, ruleWith2, aCheckall, shouldReceive, sendPayload, done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":rule,"v":ruleWith,"v2":ruleWith2}],checkall:aCheckall,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSwitchTest(flow, shouldReceive, sendPayload, done);
}
/**
* Execute a switch test. Can specify whether the should node is expected to send a payload onwards to the helper node.
* The flow and the payload can be customised
* @param flow - the custom flow to be tested => must contain a switch node (switchNode1) wiring a helper node (helperNode1)
* @param shouldReceive - whether the helper node should receive a payload
* @param sendPayload - the payload message we're sending
* @param done - callback when done
*/
function customFlowSwitchTest(flow, shouldReceive, sendPayload, done) {
helper.load(switchNode, flow, function() {
var switchNode1 = helper.getNode("switchNode1");
var helperNode1 = helper.getNode("helperNode1");
helperNode1.on("input", function(msg) {
try {
if (shouldReceive === true) {
should.equal(msg.payload,sendPayload);
done();
} else {
should.fail(null, null, "We should never get an input!");
}
} catch(err) {
done(err);
}
});
switchNode1.receive({payload:sendPayload});
if (shouldReceive === false) {
setTimeout(function() {
done();
}, 200);
}
});
}
function customFlowSequenceSwitchTest(flow, seq_in, seq_out, repair, modifier, done) {
helper.load(switchNode, flow, function() {
var switchNode1 = helper.getNode("switchNode1");
var helperNode1 = helper.getNode("helperNode1");
var sid;
var count = 0;
if (modifier !== undefined) {
modifier(switchNode1);
}
helperNode1.on("input", function(msg) {
try {
msg.should.have.property("payload", seq_out[count]);
msg.should.have.property("parts");
var parts = msg.parts;
parts.should.have.property("id");
var id = parts.id;
if (sid === undefined) {
sid = id;
}
else {
id.should.equal(sid);
}
if (repair) {
parts.should.have.property("index", count);
parts.should.have.property("count", seq_out.length);
}
else {
parts.should.have.property("index", msg.xindex);
parts.should.have.property("count", seq_in.length);
}
count++;
if (count === seq_out.length) {
done();
}
} catch (e) {
done(e);
}
});
var len = seq_in.length;
for (var i = 0; i < len; i++) {
var parts = {index:i, count:len, id:222};
var msg = {payload:seq_in[i], xindex:i, parts:parts};
switchNode1.receive(msg);
}
});
}
it('should check if payload equals given value', function(done) {
genericSwitchTest("eq", "Hello", true, true, "Hello", done);
});
it('should return nothing when the payload doesn\'t equal to desired string', function(done) {
genericSwitchTest("eq", "Hello", true, false, "Hello!", done);
});
it('should check if payload NOT equals given value', function(done) {
genericSwitchTest("neq", "Hello", true, true, "HEllO", done);
});
it('should return nothing when the payload does equal to desired string', function(done) {
genericSwitchTest("neq", "Hello", true, false, "Hello", done);
});
it('should check if payload equals given numeric value', function(done) {
genericSwitchTest("eq", 3, true, true, 3, done);
});
it('should return nothing when the payload doesn\'t equal to desired numeric value', function(done) {
genericSwitchTest("eq", 2, true, false, 4, done);
});
it('should check if payload NOT equals given numeric value', function(done) {
genericSwitchTest("neq", 55667744, true, true, -1234, done);
});
it('should return nothing when the payload does equal to desired numeric value', function(done) {
genericSwitchTest("neq", 10, true, false, 10, done);
});
it('should check if payload is less than given value', function(done) {
genericSwitchTest("lt", 3, true, true, 2, done);
});
it('should return nothing when the payload is not less than desired string', function(done) {
genericSwitchTest("lt", 3, true, false, 4, done);
});
it('should check if payload less than equals given value', function(done) {
genericSwitchTest("lte", 3, true, true, 3, done);
});
it('should check if payload is greater than given value', function(done) {
genericSwitchTest("gt", 3, true, true, 6, done);
});
it('should return nothing when the payload is not greater than desired string', function(done) {
genericSwitchTest("gt", 3, true, false, -1, done);
});
it('should check if payload is greater than/equals given value', function(done) {
genericSwitchTest("gte", 3, true, true, 3, done);
});
it('should return nothing when the payload is not greater than desired string', function(done) {
genericSwitchTest("gt", 3, true, false, -1, done);
});
it('should check if payload is greater than/equals given value', function(done) {
genericSwitchTest("gte", 3, true, true, 3, done);
});
it('should check if payload is between given values', function(done) {
twoFieldSwitchTest("btwn", "3", "5", true, true, 4, done);
});
it('should check if payload is between given string values', function(done) {
twoFieldSwitchTest("btwn", "c", "e", true, true, "d", done);
});
it('should check if payload is not between given values', function(done) {
twoFieldSwitchTest("btwn", 3, 5, true, false, 12, done);
});
it('should check if payload contains given value', function(done) {
genericSwitchTest("cont", "Hello", true, true, "Hello World!", done);
});
it('should return nothing when the payload doesn\'t contain desired string', function(done) {
genericSwitchTest("cont", "Hello", true, false, "This is not a greeting!", done);
});
it('should match regex', function(done) {
genericSwitchTest("regex", "[abc]+", true, true, "abbabac", done);
});
it('should check if payload if of type string ', function(done) {
genericSwitchTest("istype", "string", true, true, "Hello", done);
});
it('should check if payload if of type number ', function(done) {
genericSwitchTest("istype", "number", true, true, 999, done);
});
it('should check if payload if of type number 0', function(done) {
genericSwitchTest("istype", "number", true, true, 0, done);
});
it('should check if payload if of type boolean true', function(done) {
genericSwitchTest("istype", "boolean", true, true, true, done);
});
it('should check if payload if of type boolean false', function(done) {
genericSwitchTest("istype", "boolean", true, true, true, done);
});
it('should check if payload if of type array ', function(done) {
genericSwitchTest("istype", "array", true, true, [1,2,3,"a","b"], done);
});
it('should check if payload if of type buffer ', function(done) {
genericSwitchTest("istype", "buffer", true, true, Buffer.from("Hello"), done);
});
it('should check if payload if of type object ', function(done) {
genericSwitchTest("istype", "object", true, true, {a:1,b:"b",c:true}, done);
});
it('should check if payload if of type JSON string ', function(done) {
genericSwitchTest("istype", "json", true, true, JSON.stringify({a:1,b:"b",c:true}), done);
});
it('should check if payload if of type JSON string (and fail if not) ', function(done) {
genericSwitchTest("istype", "json", true, false, "Hello", done);
});
it('should check if payload if of type null', function(done) {
genericSwitchTest("istype", "null", true, true, null, done);
});
it('should check if payload if of type undefined', function(done) {
genericSwitchTest("istype", "undefined", true, true, undefined, done);
});
it('should match regex with ignore-case flag set true', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"regex","v":"onetwothree","case":true}],checkall:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSwitchTest(flow, true, "oneTWOthree", done);
});
it('should not match regex with ignore-case flag unset', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"regex","v":"onetwothree"}],checkall:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSwitchTest(flow, false, "oneTWOthree", done);
});
it('should not match regex with ignore-case flag set false', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"regex","v":"onetwothree",case:false}],checkall:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSwitchTest(flow, false, "oneTWOthree", done);
});
it('should return nothing when the payload doesn\'t match regex', function(done) {
genericSwitchTest("regex", "\\d+", true, false, "This is not a digit", done);
});
it('should return nothing when the payload doesn\'t contain desired string', function(done) {
genericSwitchTest("cont", "Hello", true, false, "This is not a greeting!", done);
});
it('should check if input is true', function(done) {
singularSwitchTest(true, true, true, true, done);
});
it('sends nothing when input is false and checking for true', function(done) {
singularSwitchTest(true, true, false, false, done);
});
it('should check if input is indeed false', function(done) {
singularSwitchTest(false, true, true, false, done);
});
it('sends nothing when input is false and checking for true', function(done) {
singularSwitchTest(false, true, false, true, done);
});
it('should check if payload is empty (string)', function(done) {
singularSwitchTest("empty", true, true, "", done);
});
it('should check if payload is empty (array)', function(done) {
singularSwitchTest("empty", true, true, [], done);
});
it('should check if payload is empty (buffer)', function(done) {
singularSwitchTest("empty", true, true, Buffer.alloc(0), done);
});
it('should check if payload is empty (object)', function(done) {
singularSwitchTest("empty", true, true, {}, done);
});
it('should check if payload is empty (non-empty string)', function(done) {
singularSwitchTest("empty", true, false, "1", done);
});
it('should check if payload is empty (non-empty array)', function(done) {
singularSwitchTest("empty", true, false, [1], done);
});
it('should check if payload is empty (non-empty buffer)', function(done) {
singularSwitchTest("empty", true, false, Buffer.alloc(1), done);
});
it('should check if payload is empty (non-empty object)', function(done) {
singularSwitchTest("empty", true, false, {a:1}, done);
});
it('should check if payload is empty (null)', function(done) {
singularSwitchTest("empty", true, false, null, done);
});
it('should check if payload is empty (undefined)', function(done) {
singularSwitchTest("empty", true, false, undefined, done);
});
it('should check if payload is empty (0)', function(done) {
singularSwitchTest("empty", true, false, null, done);
});
it('should check if payload is not empty (string)', function(done) {
singularSwitchTest("nempty", true, !true, "", done);
});
it('should check if payload is not empty (array)', function(done) {
singularSwitchTest("nempty", true, !true, [], done);
});
it('should check if payload is not empty (buffer)', function(done) {
singularSwitchTest("nempty", true, !true, Buffer.alloc(0), done);
});
it('should check if payload is not empty (object)', function(done) {
singularSwitchTest("nempty", true, !true, {}, done);
});
it('should check if payload is not empty (non-empty string)', function(done) {
singularSwitchTest("nempty", true, !false, "1", done);
});
it('should check if payload is not empty (non-empty array)', function(done) {
singularSwitchTest("nempty", true, !false, [1], done);
});
it('should check if payload is not empty (non-empty buffer)', function(done) {
singularSwitchTest("nempty", true, !false, Buffer.alloc(1), done);
});
it('should check if payload is not empty (non-empty object)', function(done) {
singularSwitchTest("nempty", true, !false, {a:1}, done);
});
it('should check if payload is not empty (null)', function(done) {
singularSwitchTest("nempty", true, false, null, done);
});
it('should check if payload is not empty (undefined)', function(done) {
singularSwitchTest("nempty", true, false, undefined, done);
});
it('should check if payload is not empty (0)', function(done) {
singularSwitchTest("nempty", true, false, null, done);
});
it('should check input against a previous value', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{ "t": "gt", "v": "", "vt": "prev" }],checkall:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
helper.load(switchNode, flow, function() {
var switchNode1 = helper.getNode("switchNode1");
var helperNode1 = helper.getNode("helperNode1");
var c = 0;
helperNode1.on("input", function(msg) {
if (msg.payload) {
try {
if (c === 0) {
msg.payload.should.equal(1);
}
if (c === 1) {
msg.payload.should.equal(2);
done();
}
c += 1;
} catch (err) {
done(err);
}
} else {
done();
}
});
switchNode1.receive({payload:1});
switchNode1.receive({payload:0});
switchNode1.receive({payload:-2});
switchNode1.receive({payload:2});
});
});
it('should check input against a previous value (2nd option)', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t": "btwn", "v": "10", "vt": "num", "v2": "", "v2t": "prev" }],checkall:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
helper.load(switchNode, flow, function() {
var switchNode1 = helper.getNode("switchNode1");
var helperNode1 = helper.getNode("helperNode1");
var c = 0;
helperNode1.on("input", function(msg) {
if (msg.payload) {
try {
if (c === 0) {
msg.payload.should.equal(20);
}
if (c === 1) {
msg.payload.should.equal(25);
done();
}
c += 1;
} catch (err) {
done(err);
}
} else {
done();
}
});
switchNode1.receive({payload:0});
switchNode1.receive({payload:20}); // between 10 and 0
switchNode1.receive({payload:30}); // between 10 and 20
switchNode1.receive({payload:20}); // between 10 and 30 yes
switchNode1.receive({payload:30}); // between 10 and 20 no
switchNode1.receive({payload:25}); // between 10 and 30 yes
});
});
it('should check if input is indeed null', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"null"}],checkall:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
helper.load(switchNode, flow, function() {
var switchNode1 = helper.getNode("switchNode1");
var helperNode1 = helper.getNode("helperNode1");
helperNode1.on("input", function(msg) {
if (msg.payload === null) {
done();
} else {
console.log("msg is ",msg);
}
});
switchNode1.receive({payload:null});
});
});
it('should check if input is indeed undefined', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"null"}],checkall:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
helper.load(switchNode, flow, function() {
var switchNode1 = helper.getNode("switchNode1");
var helperNode1 = helper.getNode("helperNode1");
helperNode1.on("input", function(msg) {
if (msg.payload === undefined) {
done();
}
else {
console.log("msg is ",msg);
}
});
switchNode1.receive({payload:undefined});
});
});
it('should treat non-existant msg property conditional as undefined', function(done) {
var flow = [{"id":"switchNode1","type":"switch","z":"feee1df.c3263e","name":"","property":"payload","propertyType":"msg","rules":[{"t":"eq","v":"this.does.not.exist","vt":"msg"}],"checkall":"true","outputs":1,"x":190,"y":440,"wires":[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
helper.load(switchNode, flow, function() {
var switchNode1 = helper.getNode("switchNode1");
var helperNode1 = helper.getNode("helperNode1");
var received = [];
helperNode1.on("input", function(msg) {
received.push(msg);
});
// First message should be dropped as payload is not undefined
switchNode1.receive({topic:"messageOne",payload:""});
// Second message should pass through as payload is undefined
switchNode1.receive({topic:"messageTwo",payload:undefined});
setTimeout(function() {
try {
received.should.have.lengthOf(1);
received[0].should.have.a.property("topic","messageTwo");
done();
} catch(err) {
done(err);
}
},500)
});
});
it('should check if input is indeed not null', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"nnull"}],checkall:false,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
helper.load(switchNode, flow, function() {
var switchNode1 = helper.getNode("switchNode1");
var helperNode1 = helper.getNode("helperNode1");
helperNode1.on("input", function(msg) {
if (msg.payload) {
done();
} else {
try {
msg.payload.should.equal("Anything here");
} catch (err) {
done(err);
}
}
});
switchNode1.receive({payload:"Anything here"});
});
});
it('sends a message when the "else/otherwise" statement is selected' , function(done) {
singularSwitchTest("else", true, true, 123456, done);
});
it('handles more than one switch statement' , function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"eq","v":"Hello"},{"t":"cont","v":"ello"}, {"t":"else"}],checkall:true,outputs:3,wires:[["helperNode1"], ["helperNode2"], ["helperNode3"]]},
{id:"helperNode1", type:"helper", wires:[]},
{id:"helperNode2", type:"helper", wires:[]},
{id:"helperNode3", type:"helper", wires:[]}];
helper.load(switchNode, flow, function() {
var switchNode1 = helper.getNode("switchNode1");
var helperNode1 = helper.getNode("helperNode1");
var helperNode2 = helper.getNode("helperNode2");
var helperNode3 = helper.getNode("helperNode3");
var nodeHitCount = 0;
helperNode1.on("input", function(msg) {
try {
msg.payload.should.equal("Hello");
nodeHitCount++;
} catch (err) {
done(err);
}
});
helperNode2.on("input", function(msg) {
try {
msg.payload.should.equal("Hello");
nodeHitCount++;
if (nodeHitCount == 2) {
done();
} else {
try {
should.fail(null, null, "Both statements should be triggered!");
} catch (err) {
done(err);
}
}
} catch (err) {
done(err);
}
});
helperNode3.on("input", function(msg) {
try {
should.fail(null, null, "The otherwise/else statement should not be triggered here!");
} catch (err) {
done(err);
}
});
switchNode1.receive({payload:"Hello"});
});
});
it('stops after first statement' , function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"eq","v":"Hello"},{"t":"cont","v":"ello"}, {"t":"else"}],checkall:"false",outputs:3,wires:[["helperNode1"], ["helperNode2"], ["helperNode3"]]},
{id:"helperNode1", type:"helper", wires:[]},
{id:"helperNode2", type:"helper", wires:[]},
{id:"helperNode3", type:"helper", wires:[]}];
helper.load(switchNode, flow, function() {
var switchNode1 = helper.getNode("switchNode1");
var helperNode1 = helper.getNode("helperNode1");
var helperNode2 = helper.getNode("helperNode2");
var helperNode3 = helper.getNode("helperNode3");
helperNode1.on("input", function(msg) {
try {
msg.payload.should.equal("Hello");
done();
} catch (err) {
done(err);
}
});
helperNode2.on("input", function(msg) {
try {
should.fail(null, null, "The otherwise/else statement should not be triggered here!");
} catch (err) {
done(err);
}
});
helperNode3.on("input", function(msg) {
try {
should.fail(null, null, "The otherwise/else statement should not be triggered here!");
} catch (err) {
done(err);
}
});
switchNode1.receive({payload:"Hello"});
});
});
it('should handle JSONata expression', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"$abs(payload)",propertyType:"jsonata",rules:[{"t":"btwn","v":"$sqrt(16)","vt":"jsonata","v2":"$sqrt(36)","v2t":"jsonata"}],checkall:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSwitchTest(flow, true, -5, done);
});
it('should handle flow and global contexts with JSONata expression', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"$abs($flowContext(\"payload\"))",propertyType:"jsonata",rules:[{"t":"btwn","v":"$flowContext(\"vt\")","vt":"jsonata","v2":"$globalContext(\"v2t\")","v2t":"jsonata"}],checkall:true,outputs:1,wires:[["helperNode1"]],z:"flow"},
{id:"helperNode1", type:"helper", wires:[],z:"flow"},
{id:"flow",type:"tab"}];
helper.load(switchNode, flow, function() {
var switchNode1 = helper.getNode("switchNode1");
var helperNode1 = helper.getNode("helperNode1");
switchNode1.context().flow.set("payload",-5);
switchNode1.context().flow.set("vt",4);
switchNode1.context().global.set("v2t",6);
helperNode1.on("input", function(msg) {
try {
should.equal(msg.payload,"pass");
done();
} catch(err) {
done(err);
}
});
switchNode1.receive({payload:"pass"});
});
});
it('should handle persistable flow and global contexts with JSONata expression', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"$abs($flowContext(\"payload\",\"memory\"))",propertyType:"jsonata",rules:[{"t":"btwn","v":"$flowContext(\"vt\",\"memory\")","vt":"jsonata","v2":"$globalContext(\"v2t\",\"memory\")","v2t":"jsonata"}],checkall:true,outputs:1,wires:[["helperNode1"]],z:"flow"},
{id:"helperNode1", type:"helper", wires:[],z:"flow"},
{id:"flow",type:"tab"}];
helper.load(switchNode, flow, function() {
initContext(function () {
var switchNode1 = helper.getNode("switchNode1");
var helperNode1 = helper.getNode("helperNode1");
switchNode1.context().flow.set(["payload","vt"],[-7,6],"memory",function(){
switchNode1.context().global.set("v2t",8,"memory",function(){
helperNode1.on("input", function(msg) {
try {
should.equal(msg.payload,"pass");
done();
} catch(err) {
done(err);
}
});
switchNode1.receive({payload:"pass"});
});
});
});
});
});
it('should take head of message sequence (no repair)', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"head","v":3}],checkall:false,repair:false,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSequenceSwitchTest(flow, [0, 1, 2, 3, 4], [0, 1, 2], false, undefined, done);
});
it('should take head of message sequence (repair)', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"head","v":3}],checkall:false,repair:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSequenceSwitchTest(flow, [0, 1, 2, 3, 4], [0, 1, 2], true, undefined, done);
});
it('should take head of message sequence (w. context)', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"head","v":"count",vt:"global"}],checkall:false,repair:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSequenceSwitchTest(flow, [0, 1, 2, 3, 4], [0, 1, 2], true,
function(node) {
node.context().global.set("count", 3);
}, done);
});
it('should take head of message sequence (w. JSONata)', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"head","v":"1+4/2",vt:"jsonata"}],checkall:false,repair:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSequenceSwitchTest(flow, [0, 1, 2, 3, 4], [0, 1, 2], true, undefined, done);
});
it('should take tail of message sequence (no repair)', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"tail","v":3}],checkall:true,repair:false,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSequenceSwitchTest(flow, [0, 1, 2, 3, 4], [2, 3, 4], false, undefined, done);
});
it('should take tail of message sequence (repair)', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"tail","v":3}],checkall:true,repair:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSequenceSwitchTest(flow, [0, 1, 2, 3, 4], [2, 3, 4], true, undefined, done);
});
it('should take slice of message sequence (no repair)', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"index","v":1,"v2":3}],checkall:true,repair:false,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSequenceSwitchTest(flow, [0, 1, 2, 3, 4], [1, 2, 3], false, undefined, done);
});
it('should take slice of message sequence (repair)', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"index","v":1,"v2":3}],checkall:true,repair:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSequenceSwitchTest(flow, [0, 1, 2, 3, 4], [1, 2, 3], true, undefined, done);
});
it('should check JSONata expression is true', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",
rules:[{"t":"jsonata_exp","v":"payload%2 = 1","vt":"jsonata"}],
checkall:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSwitchTest(flow, true, 9, done);
});
it('should be able to use $I in JSONata expression', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"jsonata_exp","v":"$I % 2 = 1",vt:"jsonata"}],checkall:true,repair:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSequenceSwitchTest(flow, [0, 1, 2, 3, 4], [1, 3], true, undefined, done);
});
it('should be able to use $N in JSONata expression', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"jsonata_exp","v":"payload >= $N-2",vt:"jsonata"}],checkall:true,repair:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
customFlowSequenceSwitchTest(flow, [0, 1, 2, 3, 4], [3, 4], true, undefined, done);
});
function customFlowSequenceMultiSwitchTest(flow, seq_in, outs, repair, done) {
helper.load(switchNode, flow, function() {
var n1 = helper.getNode("n1");
var port_count = Object.keys(outs).length;
var sid;
var ids = new Array(port_count).fill(undefined);
var counts = new Array(port_count).fill(0);
var vals = new Array(port_count);
var recv_count = 0;
for (var id in outs) {
if (outs.hasOwnProperty(id)) {
var out = outs[id];
vals[out.port] = out.vals;
recv_count += out.vals.length;
}
}
var count = 0;
function check_msg(msg, ix, vf) {
try {
msg.should.have.property("payload");
var payload = msg.payload;
msg.should.have.property("parts");
vf(payload).should.be.ok();
var parts = msg.parts;
var evals = vals[ix];
parts.should.have.property("id");
var id = parts.id;
if (repair) {
if (ids[ix] === undefined) {
ids[ix] = id;
}
else {
ids[ix].should.equal(id);
}
parts.should.have.property("count", evals.length);
parts.should.have.property("index", counts[ix]);
}
else {
if (sid === undefined) {
sid = id;
}
else {
sid.should.equal(id);
}
parts.should.have.property("count", seq_in.length);
parts.should.have.property("index", msg.xindex);
}
var index = parts.index;
var eindex = counts[ix];
var value = evals[eindex];
payload.should.equal(value);
counts[ix]++;
count++;
if (count === recv_count) {
done();
}
}
catch (e) {
done(e);
}
}
for (var id in outs) {
if (outs.hasOwnProperty(id)) {
(function() {
var node = helper.getNode(id);
var port = outs[id].port;
var vf = outs[id].vf;
node.on("input", function(msg) {
check_msg(msg, port, vf);
});
})();
}
}
for(var i in seq_in) {
if (seq_in.hasOwnProperty(i)) {
n1.receive({payload:seq_in[i], xindex:i,
parts:{index:i, count:seq_in.length, id:222}});
}
}
});
}
it('should not repair message sequence for each port', function(done) {
var flow = [{id:"n1",type:"switch",name:"switchNode",property:"payload",
rules:[{"t":"gt","v":0},{"t":"lt","v":0},{"t":"else"}],
checkall:true,repair:false,
outputs:3,wires:[["n2"],["n3"],["n4"]]},
{id:"n2", type:"helper", wires:[]},
{id:"n3", type:"helper", wires:[]},
{id:"n4", type:"helper", wires:[]}
];
var data = [ 1, -2, 2, 0, -1 ];
var outs = {
"n2" : { port:0, vals:[1, 2],
vf:function(x) { return(x > 0); } },
"n3" : { port:1, vals:[-2, -1],
vf:function(x) { return(x < 0); } },
"n4" : { port:2, vals:[0],
vf:function(x) { return(x == 0); } },
};
customFlowSequenceMultiSwitchTest(flow, data, outs, false, done);
});
it('should repair message sequence for each port', function(done) {
var flow = [{id:"n1",type:"switch",name:"switchNode",property:"payload",
rules:[{"t":"gt","v":0},{"t":"lt","v":0},{"t":"else"}],
checkall:true,repair:true,
outputs:3,wires:[["n2"],["n3"],["n4"]]},
{id:"n2", type:"helper", wires:[]}, // >0
{id:"n3", type:"helper", wires:[]}, // <0
{id:"n4", type:"helper", wires:[]} // ==0
];
var data = [ 1, -2, 2, 0, -1 ];
var outs = {
"n2" : { port:0, vals:[1, 2],
vf:function(x) { return(x > 0); } },
"n3" : { port:1, vals:[-2, -1],
vf:function(x) { return(x < 0); } },
"n4" : { port:2, vals:[0],
vf:function(x) { return(x == 0); } },
};
customFlowSequenceMultiSwitchTest(flow, data, outs, true, done);
});
it('should repair message sequence for each port (overlap)', function(done) {
var flow = [{id:"n1",type:"switch",name:"switchNode",property:"payload",
rules:[{"t":"gte","v":0},{"t":"lte","v":0},{"t":"else"}],
checkall:true,repair:true,
outputs:3,wires:[["n2"],["n3"],["n4"]]},
{id:"n2", type:"helper", wires:[]}, // >=0
{id:"n3", type:"helper", wires:[]}, // <=0
{id:"n4", type:"helper", wires:[]} // none
];
var data = [ 1, -2, 2, 0, -1 ];
var outs = {
"n2" : { port:0, vals:[1, 2, 0],
vf:function(x) { return(x >= 0); } },
"n3" : { port:1, vals:[-2, 0, -1],
vf:function(x) { return(x <= 0); } },
"n4" : { port:2, vals:[],
vf:function(x) { return(false); } },
};
customFlowSequenceMultiSwitchTest(flow, data, outs, true, done);
});
it('should handle too many pending messages', function(done) {
var flow = [{id:"n1",type:"switch",name:"switchNode",property:"payload",
rules:[{"t":"tail","v":2}],
checkall:true,repair:false,
outputs:3,wires:[["n2"]]},
{id:"n2", type:"helper", wires:[]}
];
helper.load(switchNode, flow, function() {
var n1 = helper.getNode("n1");
RED.settings.nodeMessageBufferMaxLength = 2;
setTimeout(function() {
var logEvents = helper.log().args.filter(function (evt) {
return evt[0].type == "switch";
});
var evt = logEvents[0][0];
evt.should.have.property('id', "n1");
evt.should.have.property('type', "switch");
evt.should.have.property('msg', "switch.errors.too-many");
done();
}, 150);
n1.receive({payload:3, parts:{index:2, count:4, id:222}});
n1.receive({payload:2, parts:{index:1, count:4, id:222}});
n1.receive({payload:4, parts:{index:3, count:4, id:222}});
n1.receive({payload:1, parts:{index:0, count:4, id:222}});
});
});
it('should handle invalid jsonata expression', function(done) {
var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"$invalidExpression(payload)",propertyType:"jsonata",rules:[{"t":"btwn","v":"$sqrt(16)","vt":"jsonata","v2":"$sqrt(36)","v2t":"jsonata"}],checkall:true,outputs:1,wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
helper.load(switchNode, flow, function() {
var n1 = helper.getNode("switchNode1");
setTimeout(function() {
var logEvents = helper.log().args.filter(function (evt) {
return evt[0].type == "switch";
});
var evt = logEvents[0][0];
evt.should.have.property('id', "switchNode1");
evt.should.have.property('type', "switch");
done();
}, 150);
n1.receive({payload:1});
});
});
});
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