mirror of
https://github.com/node-red/node-red.git
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493 lines
21 KiB
JavaScript
493 lines
21 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 switchNode = require("../../../../nodes/core/logic/10-switch.js");
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var helper = require("../../helper.js");
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describe('switch Node', function() {
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beforeEach(function(done) {
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helper.startServer(done);
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});
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afterEach(function(done) {
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helper.unload();
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helper.stopServer(done);
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});
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it('should be loaded with some defaults', function(done) {
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var flow = [{"id":"switchNode1","type":"switch","name":"switchNode"}];
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helper.load(switchNode, flow, function() {
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var switchNode1 = helper.getNode("switchNode1");
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switchNode1.should.have.property('name', 'switchNode');
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switchNode1.should.have.property('checkall', "true");
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switchNode1.should.have.property('rules', []);
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done();
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});
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});
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/**
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* Test a switch node where one argument is consumed by the rule (such as greater than).
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* @param rule - the switch rule (see 10-switc.js) string we're using
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* @param ruleWith - whatever the rule should be executed with (say greater than 5)
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* @param aCheckall - whether the switch flow should have the checkall flag set to true/false
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* @param shouldReceive - whether the helper node should receive a payload
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* @param sendPayload - the payload message we're sending
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* @param done - callback when done
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*/
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function genericSwitchTest(rule, ruleWith, aCheckall, shouldReceive, sendPayload, done) {
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var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":rule,"v":ruleWith}],checkall:aCheckall,outputs:1,wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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customFlowSwitchTest(flow, shouldReceive, sendPayload, done);
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}
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/**
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* Test a switch node where NO arguments are consumed by the rule (such as TRUE/FALSE)
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* @param rule - the switch rule (see 10-switc.js) string we're using
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* @param aCheckall - whether the switch flow should have the checkall flag set to true/false
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* @param shouldReceive - whether the helper node should receive a payload
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* @param sendPayload - the payload message we're sending
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* @param done - callback when done
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*/
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function singularSwitchTest(rule, aCheckall, shouldReceive, sendPayload, done) {
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var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":rule}],checkall:aCheckall,outputs:1,wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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customFlowSwitchTest(flow, shouldReceive, sendPayload, done);
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}
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/**
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* Test a switch node where two arguments are consumed by the rule (such as between).
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* @param rule - the switch rule (see 10-switc.js) string we're using
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* @param ruleWith - whatever the rule should be executed with (say between 5...)
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* @param ruleWith2 - whatever the rule should be executed with (say ...and 5)
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* @param aCheckall - whether the switch flow should have the checkall flag set to true/false
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* @param shouldReceive - whether the helper node should receive a payload
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* @param sendPayload - the payload message we're sending
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* @param done - callback when done
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*/
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function twoFieldSwitchTest(rule, ruleWith, ruleWith2, aCheckall, shouldReceive, sendPayload, done) {
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var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":rule,"v":ruleWith,"v2":ruleWith2}],checkall:aCheckall,outputs:1,wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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customFlowSwitchTest(flow, shouldReceive, sendPayload, done);
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}
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/**
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* Execute a switch test. Can specify whether the should node is expected to send a payload onwards to the helper node.
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* The flow and the payload can be customised
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* @param flow - the custom flow to be tested => must contain a switch node (switchNode1) wiring a helper node (helperNode1)
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* @param shouldReceive - whether the helper node should receive a payload
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* @param sendPayload - the payload message we're sending
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* @param done - callback when done
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*/
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function customFlowSwitchTest(flow, shouldReceive, sendPayload, done) {
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helper.load(switchNode, flow, function() {
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var switchNode1 = helper.getNode("switchNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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try {
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if (shouldReceive === true) {
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msg.payload.should.equal(sendPayload);
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done();
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} else {
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should.fail(null, null, "We should never get an input!");
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}
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} catch(err) {
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done(err);
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}
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});
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switchNode1.receive({payload:sendPayload});
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if (shouldReceive === false) {
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setTimeout(function() {
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done();
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}, 200);
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}
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});
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}
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it('should check if payload equals given value', function(done) {
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genericSwitchTest("eq", "Hello", true, true, "Hello", done);
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});
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it('should return nothing when the payload doesn\'t equal to desired string', function(done) {
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genericSwitchTest("eq", "Hello", true, false, "Hello!", done);
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});
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it('should check if payload NOT equals given value', function(done) {
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genericSwitchTest("neq", "Hello", true, true, "HEllO", done);
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});
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it('should return nothing when the payload does equal to desired string', function(done) {
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genericSwitchTest("neq", "Hello", true, false, "Hello", done);
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});
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it('should check if payload equals given numeric value', function(done) {
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genericSwitchTest("eq", 3, true, true, 3, done);
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});
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it('should return nothing when the payload doesn\'t equal to desired numeric value', function(done) {
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genericSwitchTest("eq", 2, true, false, 4, done);
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});
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it('should check if payload NOT equals given numeric value', function(done) {
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genericSwitchTest("neq", 55667744, true, true, -1234, done);
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});
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it('should return nothing when the payload does equal to desired numeric value', function(done) {
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genericSwitchTest("neq", 10, true, false, 10, done);
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});
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it('should check if payload is less than given value', function(done) {
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genericSwitchTest("lt", 3, true, true, 2, done);
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});
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it('should return nothing when the payload is not less than desired string', function(done) {
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genericSwitchTest("lt", 3, true, false, 4, done);
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});
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it('should check if payload less than equals given value', function(done) {
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genericSwitchTest("lte", 3, true, true, 3, done);
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});
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it('should check if payload is greater than given value', function(done) {
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genericSwitchTest("gt", 3, true, true, 6, done);
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});
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it('should return nothing when the payload is not greater than desired string', function(done) {
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genericSwitchTest("gt", 3, true, false, -1, done);
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});
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it('should check if payload is greater than/equals given value', function(done) {
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genericSwitchTest("gte", 3, true, true, 3, done);
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});
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it('should return nothing when the payload is not greater than desired string', function(done) {
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genericSwitchTest("gt", 3, true, false, -1, done);
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});
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it('should check if payload is greater than/equals given value', function(done) {
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genericSwitchTest("gte", 3, true, true, 3, done);
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});
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it('should check if payload is between given values', function(done) {
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twoFieldSwitchTest("btwn", "3", "5", true, true, 4, done);
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});
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it('should check if payload is not between given values', function(done) {
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twoFieldSwitchTest("btwn", 3, 5, true, false, 12, done);
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});
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it('should check if payload contains given value', function(done) {
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genericSwitchTest("cont", "Hello", true, true, "Hello World!", done);
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});
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it('should return nothing when the payload doesn\'t contain desired string', function(done) {
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genericSwitchTest("cont", "Hello", true, false, "This is not a greeting!", done);
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});
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it('should match regex', function(done) {
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genericSwitchTest("regex", "[abc]+", true, true, "abbabac", done);
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});
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it('should match regex with ignore-case flag set true', function(done) {
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var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"regex","v":"onetwothree","case":true}],checkall:true,outputs:1,wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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customFlowSwitchTest(flow, true, "oneTWOthree", done);
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});
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it('should not match regex with ignore-case flag unset', function(done) {
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var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"regex","v":"onetwothree"}],checkall:true,outputs:1,wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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customFlowSwitchTest(flow, false, "oneTWOthree", done);
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});
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it('should not match regex with ignore-case flag set false', function(done) {
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var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"regex","v":"onetwothree",case:false}],checkall:true,outputs:1,wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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customFlowSwitchTest(flow, false, "oneTWOthree", done);
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});
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it('should return nothing when the payload doesn\'t match regex', function(done) {
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genericSwitchTest("regex", "\\d+", true, false, "This is not a digit", done);
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});
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it('should return nothing when the payload doesn\'t contain desired string', function(done) {
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genericSwitchTest("cont", "Hello", true, false, "This is not a greeting!", done);
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});
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it('should check if input is true', function(done) {
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singularSwitchTest(true, true, true, true, done);
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});
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it('sends nothing when input is false and checking for true', function(done) {
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singularSwitchTest(true, true, false, false, done);
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});
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it('should check if input is indeed false', function(done) {
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singularSwitchTest(false, true, true, false, done);
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});
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it('sends nothing when input is false and checking for true', function(done) {
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singularSwitchTest(false, true, false, true, done);
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});
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it('should check input against a previous value', function(done) {
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var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{ "t": "gt", "v": "", "vt": "prev" }],checkall:true,outputs:1,wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(switchNode, flow, function() {
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var switchNode1 = helper.getNode("switchNode1");
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var helperNode1 = helper.getNode("helperNode1");
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var c = 0;
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helperNode1.on("input", function(msg) {
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if (msg.payload) {
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try {
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if (c === 0) {
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msg.payload.should.equal(1);
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}
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if (c === 1) {
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msg.payload.should.equal(2);
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done();
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}
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c += 1;
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} catch (err) {
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done(err);
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}
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} else {
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done();
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}
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});
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switchNode1.receive({payload:1});
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switchNode1.receive({payload:0});
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switchNode1.receive({payload:-2});
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switchNode1.receive({payload:2});
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});
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});
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it('should check input against a previous value (2nd option)', function(done) {
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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"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(switchNode, flow, function() {
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var switchNode1 = helper.getNode("switchNode1");
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var helperNode1 = helper.getNode("helperNode1");
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var c = 0;
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helperNode1.on("input", function(msg) {
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if (msg.payload) {
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try {
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if (c === 0) {
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msg.payload.should.equal(20);
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}
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if (c === 1) {
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msg.payload.should.equal(25);
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done();
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}
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c += 1;
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} catch (err) {
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done(err);
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}
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} else {
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done();
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}
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});
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switchNode1.receive({payload:0});
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switchNode1.receive({payload:20}); // between 10 and 0
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switchNode1.receive({payload:30}); // between 10 and 20
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switchNode1.receive({payload:20}); // between 10 and 30 yes
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switchNode1.receive({payload:30}); // between 10 and 20 no
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switchNode1.receive({payload:25}); // between 10 and 30 yes
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});
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});
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it('should check if input is indeed null', function(done) {
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var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"null"}],checkall:true,outputs:1,wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(switchNode, flow, function() {
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var switchNode1 = helper.getNode("switchNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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if (msg.payload === null) {
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done();
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} else {
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console.log("msg is ",msg);
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}
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});
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switchNode1.receive({payload:null});
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});
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});
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it('should check if input is indeed undefined', function(done) {
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var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"null"}],checkall:true,outputs:1,wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(switchNode, flow, function() {
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var switchNode1 = helper.getNode("switchNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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if (msg.payload === undefined) {
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done();
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}
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else {
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console.log("msg is ",msg);
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}
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});
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switchNode1.receive({payload:undefined});
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});
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});
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it('should treat non-existant msg property conditional as undefined', function(done) {
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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"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(switchNode, flow, function() {
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var switchNode1 = helper.getNode("switchNode1");
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var helperNode1 = helper.getNode("helperNode1");
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var received = [];
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helperNode1.on("input", function(msg) {
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received.push(msg);
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});
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// First message should be dropped as payload is not undefined
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switchNode1.receive({topic:"messageOne",payload:""});
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// Second message should pass through as payload is undefined
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switchNode1.receive({topic:"messageTwo",payload:undefined});
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setTimeout(function() {
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try {
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received.should.have.lengthOf(1);
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received[0].should.have.a.property("topic","messageTwo");
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done();
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} catch(err) {
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done(err);
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}
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},100)
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});
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});
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it('should check if input is indeed not null', function(done) {
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var flow = [{id:"switchNode1",type:"switch",name:"switchNode",property:"payload",rules:[{"t":"nnull"}],checkall:false,outputs:1,wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper", wires:[]}];
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helper.load(switchNode, flow, function() {
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var switchNode1 = helper.getNode("switchNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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if (msg.payload) {
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done();
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} else {
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try {
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msg.payload.should.equal("Anything here");
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} catch (err) {
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done(err);
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}
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}
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});
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switchNode1.receive({payload:"Anything here"});
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});
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});
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it('sends a message when the "else/otherwise" statement is selected' , function(done) {
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singularSwitchTest("else", true, true, 123456, done);
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});
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it('handles more than one switch statement' , function(done) {
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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"]]},
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{id:"helperNode1", type:"helper", wires:[]},
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{id:"helperNode2", type:"helper", wires:[]},
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{id:"helperNode3", type:"helper", wires:[]}];
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helper.load(switchNode, flow, function() {
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var switchNode1 = helper.getNode("switchNode1");
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var helperNode1 = helper.getNode("helperNode1");
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var helperNode2 = helper.getNode("helperNode2");
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var helperNode3 = helper.getNode("helperNode3");
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var nodeHitCount = 0;
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helperNode1.on("input", function(msg) {
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try {
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msg.payload.should.equal("Hello");
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nodeHitCount++;
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} catch (err) {
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done(err);
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}
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});
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helperNode2.on("input", function(msg) {
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try {
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msg.payload.should.equal("Hello");
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nodeHitCount++;
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if (nodeHitCount == 2) {
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done();
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} else {
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try {
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should.fail(null, null, "Both statements should be triggered!");
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} catch (err) {
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done(err);
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}
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}
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} catch (err) {
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done(err);
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}
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});
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helperNode3.on("input", function(msg) {
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try {
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should.fail(null, null, "The otherwise/else statement should not be triggered here!");
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} catch (err) {
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done(err);
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}
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});
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switchNode1.receive({payload:"Hello"});
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});
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});
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it('stops after first statement' , function(done) {
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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"]]},
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{id:"helperNode1", type:"helper", wires:[]},
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{id:"helperNode2", type:"helper", wires:[]},
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|
{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"});
|
|
});
|
|
});
|
|
|
|
});
|