CAPAUT-254 Add datapaser tests

test/systacomfort2-spec.js

@@ -0,0 +1,116 @@
+/*
+ * Test implementation of systacomfort2 node
+ *
+ * Project: de.captica.nodered.node.systacomfort2
+ * Author: Marc Böhm <marc.boehm@captica.de>
+ * Copyright (c) captica GmbH est. 2022 / MIT License
+ */
+const { expect } = require('chai')
+const systaComfort2Node = require('../systacomfort2/systacomfort2')
+const { dataParser, SYSTACOMFORT_VALUES }  = require('../systacomfort2/dataparser')
+
+const MESSAGE_INIT = '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'
+const MESSAGE_INIT_ANSWER = 'AJe+LI4NzW0AAAAAAQAAABGcjK0='
+const MESSAGE_DATA = 'AJe+LI4NzG0JCQwAMtoAAAEAAAAAAAAAOgEAAFYBAADU/v//SwMAAEUDAABCAwAA1P7//9T+///U/v//AAAAAAAAAABrAwAAXwIAAFoCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFgCAADNAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAyAAAAOYAAACgAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAAAAAAA+gAAAAAAAAAGAAAAAAAAACYCAADIAAAAZAAAABQAAAB4AAAAAAAAADIAAABQAAAAZAAAAAUAAAACAAAAMgAAAB4AAAAAAAAAAAAAAAAAAAADAAAAMgAAAPQBAAAEAAAAMgAAAHISAADYAQAAAAAAAAAAAAABAAAAyAAAANwAAACWAAAAAAAAAAAAAAAAAAAAIwcAACQHAAAAAAAAXgEAAAAAAAANAAAAAAAAALwCAADIAAAAZAAAABQAAAB4AAAAAAAAAAAAAADIAAAAZAAAAAUAAAACAAAAMgAAAB4AAAAAAAAAAAAAAAAAAAADAAAAMgAAAPQBAAAEAAAAMgAAACMHAAAAAAAAAAAAAAAAAAABAAAAyAAAANwAAACWAAAAAAAAAAAAAAAAAAAAIwcAACQHAABeAQAAAAAAAA0AAAAAAAAAvAIAAMgAAABkAAAAFAAAAHgAAAAAAAAAAAAAAMgAAABkAAAABQAAAAIAAAAAAAAAAAAAAAMAAAAyAAAA9AEAAAQAAAAyAAAAIwcAAAAAAABYAgAAigIAAAEAAABkAAAAZAAAAAAAAAAyAAAAUgMAAAAAAAAFAAAAtgMAAAAAAAAyAAAAAAAAAJABAABkAAAAAQAAAAEAAAADAAAAAwAAAAMAAAAPAAAAMgAAAKQAAAAAAAAAAAAAABMAAAAFAAAAAAAAAAAAAAAjHAAAIwAAAAVZAAANAAAAEgAAAB51AAAcAAAAAAAAAAAAAAAAAAAALAEAAIoCAABkAAAAGQAAAAAAAAAAAAAA+gAAABgBAAAAAAAAAAAAAAAAAAC8AgAAAAAAAMgAAABkAAAAAgAAAMgAAAAeAAAAAAAAABQAAAAeAAAAHgAAADIAAAAeAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA/wAAAAAAAAAAAAAAAQAAAAEAAAAHAAAAAAAAAAAAAAAHAAAAAAAAAAAAAAAAAAAAAAAAAAcAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA/h54Ug=='
+const TOPIC_PREFIX = 'my/custom/topic/prefix'
+const OUTPUT_MESSAGE_PAYLOAD = {        
+    BOILER_START_COUNTER: 22789,            
+    BOILER_WORKING_HOURS: 7203,            
+    BUFFER_TANK_TEMPERATURE_TOP: 83.7,            
+    BUFFER_TANK_TEMPERATURE_BOTTOM: 83.4,            
+    SOLAR_YIELD_CURRENT: 1.3,            
+    SOLAR_YIELD_DAY: 18,          
+    SOLAR_YIELD_TOTAL: 29982,            
+    SOLAR_TEMPERATURE_COLLECTOR:87.5,            
+    SYSTEM_TEMPERATURE_FLOW: 34.2,            
+    SYSTEM_TEMPERATURE_FLOW_RETURN: null,            
+    SYSTEM_TEMPERATURE_EXTERNAL: 31.4,            
+    SYSTEM_TEMPERATURE_PROCESS_WATER_CURRENT: 84.3,            
+    SYSTEM_TEMPERATURE_PROCESS_WATER_TARGET: 60,            
+    SYSTEM_TEMPERATURE_ROOM_TARGET: 20.5,            
+}      
+
+/**
+ * Node-RED registration/handling
+ */
+describe('SystaComfort2 - Node-RED node', () => {
+    // Check node registration first. We fake the RED-objec to capture the registration part
+    systaComfort2Node({
+        nodes: {
+            registerType: function(name, obj) {
+                it('should be registered on node-RED as a new node type', () => {
+                    expect(name).to.equal('systacomfort2')
+                    expect(obj).to.not.be.undefined
+                })
+            }
+        }
+    })
+})
+
+/**
+ * Data parser
+ */
+describe('SystaComfort2 - Data Parser', function(done) {
+    /**
+     * MAC address utils
+     */
+    describe('#createMACPart()', () => {
+        it('should convert a byte into string and pad with a leading "0"', () => {
+            expect(dataParser.createMACPart(15)).to.equal('0f')
+        })
+        it('should convert a byte into as string and NOT pad with a leading "0"', () => {
+            expect(dataParser.createMACPart(255)).to.equal('ff')
+        })
+    })
+    /**
+     * Check init answer conversion
+     */
+     describe('#createResponse()', () => {
+        it('should create an response data buffer based on the input message', () => {
+            let answerBuffer = dataParser.createResponse(Buffer.from(MESSAGE_INIT, 'base64'))
+            expect(answerBuffer).to.not.be.undefined
+            expect(answerBuffer.toString('base64')).to.equal(MESSAGE_INIT_ANSWER)
+        })
+     })
+     /**
+     * Check data parser
+     */
+      describe('#parseData()', () => {
+        it('should parse the data message and return an null object because of invalid packet type != 1', () => {
+            let outputMsg = dataParser.parseData(Buffer.from(MESSAGE_INIT, 'base64'))
+            expect(outputMsg).to.be.null
+        })
+        it('should parse the data message and provide a structured output message', () => {
+            let outputMsg = dataParser.parseData(Buffer.from(MESSAGE_DATA, 'base64'))
+            expect(outputMsg).to.not.be.undefined
+        })
+        it('should parse the data message and return an structured output message where payload topic starts with: ' + TOPIC_PREFIX, () => {
+            let outputMsg = dataParser.parseData(Buffer.from(MESSAGE_DATA, 'base64'), TOPIC_PREFIX)
+            expect(outputMsg).to.not.be.undefined
+            expect(outputMsg).to.have.own.property('payload')
+            expect(outputMsg.payload).to.not.be.undefined
+            Object.values(outputMsg.payload).forEach(valueObj => {
+                expect(valueObj).to.not.be.undefined
+                expect(valueObj).to.have.own.property('topic')
+                expect(valueObj.topic).to.not.be.null
+                expect(valueObj.topic.startsWith(TOPIC_PREFIX)).to.be.true
+            })
+        })
+        /**
+         * Check values
+         */
+        let outputMsg = dataParser.parseData(Buffer.from(MESSAGE_DATA, 'base64'))
+        Object.entries(SYSTACOMFORT_VALUES).forEach(([key, valueObj]) => {
+            const expectedValue = OUTPUT_MESSAGE_PAYLOAD[key]
+            it(`should have the value ${key} in payload object and with value ${expectedValue}, description, topic and unit`, () => {
+                expect(outputMsg.payload).to.have.own.property(key)
+                let payloadValue = outputMsg.payload[key]                
+                expect(payloadValue).to.not.be.undefined            
+                expect(payloadValue.value).to.be.equal(expectedValue)
+                expect(payloadValue.topic).to.be.equal(valueObj.topic)
+                expect(payloadValue.description).to.be.equal(valueObj.description)
+                expect(payloadValue.unit).to.be.equal(valueObj.unit)
+            })
+        })        
+     })
+})