odx_pdu_hexarray/translator.test.js

Used to Handle Hex Arrays

const translator = require("./translator");
describe("tests to calculate toInternal", () => {
  test("translate 0 to internal 0 using {offset:0,numerator:2}", () => {
    expect(
      translator.toInternal(0, {
        offset: 0,
        numerator: 1
      })
    ).toBe(0);
  });

  test("translate 2 to internal 1 using {offset:0,numerator:2} ", () => {
    expect(
      translator.toInternal(2, {
        offset: 0,
        numerator: 2
      })
    ).toBe(1);
  });

  test("translate 2 to internal 1 using {offset:1,numerator:1} ", () => {
    expect(
      translator.toInternal(2, {
        offset: 1,
        numerator: 1
      })
    ).toBe(1);
  });

  test("translate 'two' to internal 1 using {offset:1,numerator:1,texttable:[{lowerLimit:2, upperLimit:2, text:'zwei'}]} ", () => {
    expect(
      translator.toInternal("two", {
        offset: 1,
        numerator: 1,
        textTable: [{ lowerLimit: 2, upperLimit: 2, text: "two" }]
      })
    ).toBe(1);
  });
});
describe("Tests for toPhysical", () => {
  test("translate hex '00FF' to physical 'two' using {offset:1,numerator:1,texttable:[{hexDump:'00FF', text:'two'}]} ", () => {
    expect(
      translator.toPhysical(BigInt(0xff), {
        textTable: [{ hexDump: "00FF", text: "two" }]
      })
    ).toBe("two");
  });

  test("translate 0 to physical 0 using {offset:0,numerator:2} ", () => {
    expect(
      translator.toPhysical(0, {
        offset: 0,
        numerator: 1
      })
    ).toBe(0);
  });

  test("translate 1 to physical 2 using {offset:0,numerator:2} ", () => {
    expect(
      translator.toPhysical(1, {
        offset: 0,
        numerator: 2
      })
    ).toBe(2);
  });

  test("translate 1 to physical 2 using {offset:1,numerator:1} ", () => {
    expect(
      translator.toPhysical(1, {
        offset: 1,
        numerator: 1
      })
    ).toBe(2);
  });

  test("translate 1 to physical 'two' using {offset:1,numerator:1,texttable:[{lowerLimit:2, upperLimit:2, text:'zwei'}]} ", () => {
    expect(
      translator.toPhysical(1, {
        offset: 1,
        numerator: 1,
        textTable: [{ lowerLimit: 2, upperLimit: 2, text: "two" }]
      })
    ).toBe("two");
  });
});