dptlib/tests/DPT002.test.ts
2022-03-11 12:09:49 +01:00

74 lines
2.2 KiB
TypeScript

import { expect } from "chai";
import { DPT2 } from "../src/DPT2"
import { BufferLengthError } from "../src/errors/BufferLengthError";
import { InvalidValueError } from "../src/errors/InvalidValueError";
import { compareBuffers } from "./util"
let bufferZeroZero = Buffer.from([0])
let bufferZeroOne = Buffer.from([1])
let bufferOneZero = Buffer.from([2])
let bufferOneOne = Buffer.from([3])
let bufferEmpty = Buffer.from([])
let bufferBiggerSize = Buffer.from([1, 0])
describe("Test DPT002", (): void => {
let dpt = new DPT2();
it("Decode buffer00", async function () {
const value = dpt.decoder(bufferZeroZero)
expect(value.data).is.false;
expect(value.priority).is.false;
});
it("Decode buffer01", async function () {
const value = dpt.decoder(bufferZeroOne)
expect(value.data).is.true;
expect(value.priority).is.false;
});
it("Decode buffer10", async function () {
const value = dpt.decoder(bufferOneZero)
expect(value.data).is.false;
expect(value.priority).is.true;
});
it("Decode buffer11", async function () {
const value = dpt.decoder(bufferOneOne)
expect(value.data).is.true;
expect(value.priority).is.true;
});
it("Decode empty buffer", async function () {
var testFunction = function () {
const value = dpt.decoder(bufferEmpty)
}
expect(testFunction).to.throw(BufferLengthError);
});
it("Decode oversized buffer", async function () {
var testFunction = function () {
const value = dpt.decoder(bufferBiggerSize)
}
expect(testFunction).to.throw(BufferLengthError);
});
it("encode true", async function () {
expect(compareBuffers(dpt.encoder({ data: false, priority: false }), bufferZeroZero)).is.true;
expect(compareBuffers(dpt.encoder({ data: false, priority: true }), bufferOneZero)).is.true;
expect(compareBuffers(dpt.encoder({ data: true, priority: false }), bufferZeroOne)).is.true;
expect(compareBuffers(dpt.encoder({ data: true, priority: true }), bufferOneOne)).is.true;
});
it("encode invalid", async function () {
var testFunction = function () {
const value = dpt.encoder(undefined)
}
expect(testFunction).to.throw(InvalidValueError);
});
});