@bmancini55/finance/__tests__/calc-annual-return.spec.ts

Finance utilities for JavaScript

import { expect } from "chai";
import { calcAnnualReturn } from "../lib/calc-annual-return";

describe(".calcAnnualReturn", () => {
  it("should return proper value", () => {
    const result = calcAnnualReturn(0.2374, 575);
    expect(result).to.be.closeTo(0.145, 0.001);
  });

  it("should return proper value", () => {
    const result = calcAnnualReturn(0.021, 21);
    expect(result).to.be.closeTo(0.44, 0.01);
  });
});