UNPKG

modbus-serial

Version:

A pure JavaScript implemetation of MODBUS-RTU (Serial and TCP) for NodeJS.

65 lines (55 loc) 2.45 kB
"use strict"; /* eslint-disable no-undef */ const ModbusRTU = require("../../index"); const TestPort = ModbusRTU.TestPort; const testPort = new TestPort(); const modbusRTU = new ModbusRTU(testPort); const expect = require("chai").expect; describe("Promise", function() { describe("Functions", function() { it("should bind promise functions on modbusRTU", function() { const address = 1; const arg = 1; const value = 1; const deviceIdCode = 1; const objectId = 2; modbusRTU.open(); expect(modbusRTU.readCoils(address, arg)).to.be.instanceOf(Promise); expect(modbusRTU.readDiscreteInputs(address, arg)).to.be.instanceOf(Promise); expect(modbusRTU.readHoldingRegisters(address, arg)).to.be.instanceOf(Promise); expect(modbusRTU.readInputRegisters(address, arg)).to.be.instanceOf(Promise); expect(modbusRTU.writeCoil(address, value)).to.be.instanceOf(Promise); expect(modbusRTU.writeRegister(address, value)).to.be.instanceOf(Promise); expect(modbusRTU.writeRegisters(address, [value])).to.be.instanceOf(Promise); expect(modbusRTU.readDeviceIdentification(deviceIdCode, objectId)).to.be.instanceOf(Promise); expect(modbusRTU.maskWriteRegister(address, arg, arg)).to.be.instanceOf(Promise); }); }); describe("#setID", function() { it("should set a unit id on modubusRtu instance", function() { const someId = 1; modbusRTU.setID(someId); expect(modbusRTU._unitID).to.be.equal(someId); }); }); describe("#getID", function() { it("should return the unit id of modubusRtu instance", function() { const someId = 1; modbusRTU._unitID = someId; expect(modbusRTU.getID()).to.be.equal(someId); }); }); describe("#setTimeout", function() { it("should set a timeout on modubusRtu instance", function() { const timeout = 1000; modbusRTU.setTimeout(timeout); expect(modbusRTU._timeout).to.be.equal(timeout); }); }); describe("#getTimeout", function() { it("should return the timeout of modubusRtu instance", function() { modbusRTU._timeout = 1000; expect(modbusRTU.getTimeout()).to.be.equal(modbusRTU._timeout); }); }); });