js__typescript__jest/__tests__/base.spec.ts

import {evaluate, sampleFunction} from "../src";

describe("This is a simple test", () => {
  test("Check the sampleFunction function", () => {
    const actual = sampleFunction("hello");
    const expected = "hellohello";
    expect(actual).toEqual(expected);
  });
});

describe("Simple expression tests", () => {
  test("Check literal value", () => {
    expect(evaluate({ type: "literal", value: 5 })).toBeCloseTo(5);
  });
});