dlms-protocol/tests/None.test.js

DLMS Protocol parser for JavaScript

import None from "../src/typesDLMS/None";
import DlmsDataType from "../src/enum/DlmsDataType";

describe("None class", () => {
    test("should initialize with default values", () => {
        const none = new None();

        expect(none.tag).toBe(DlmsDataType.NONE);
        expect(none.totalBytes).toBe(1); // rawValue.length
        expect(none.rawValue).toEqual([0]);
        expect(none.bodyBytes).toEqual([0]);
        expect(none.value).toBe(0);
    });

    test("should return the correct standard length", () => {
        const none = new None();
        expect(none.getStandardLength()).toBe(1);
    });

    test("should return the correct value with getValue()", () => {
        const none = new None();
        expect(none.getValue()).toBe(0);
    });

    test("should throw an error if insertData() is called", () => {
        const none = new None();
        expect(() => none.insertData([1])).toThrow("Method not implemented.");
    });
});