dptlib/tests/DPT004.test.ts
2022-03-11 12:09:49 +01:00

58 lines
1.4 KiB
TypeScript

import { expect } from "chai";
import { DPT4 } from "../src/DPT4"
import { BufferLengthError } from "../src/errors/BufferLengthError";
import { InvalidValueError } from "../src/errors/InvalidValueError";
import { compareBuffers } from "./util"
let bufferA = Buffer.from([65])
let bufferEmpty = Buffer.from([])
let bufferBiggerSize = Buffer.from([1, 0])
describe("Test DPT004", (): void => {
let dpt = new DPT4();
it("Decode buffer with letter [A]", async function () {
const value = dpt.decoder(bufferA)
expect(value).is.equal('A');
});
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);
});
/* Encoder tests */
it("encode valid", async function () {
expect(compareBuffers(dpt.encoder('A'), bufferA)).is.true;
});
it("encode invalid", async function () {
var testFunction = function () {
const value = dpt.encoder("\u03c0")
}
expect(testFunction).to.throw(InvalidValueError);
});
it("encode undefined", async function () {
var testFunction = function () {
const value = dpt.encoder(undefined)
}
expect(testFunction).to.throw(InvalidValueError);
});
});