/* global describe, test, expect */
import { msToHMS, prettyDate } from "../date";

describe("Helper function prettyDate", () => {
  test("Undefined", () => {
    expect(prettyDate(undefined)).toBeUndefined();
    expect(prettyDate(null)).toBeUndefined();
    expect(prettyDate(123)).toBeUndefined();
  });

  test("Yesterday", () => {
    const today = new Date();
    const testing = new Date(Date.UTC(today.getFullYear(), today.getMonth(), today.getDate()));
    const resultDate = new Date(testing.setDate(testing.getDate() - 1));

    expect(prettyDate(resultDate.toISOString())).toBe("Yesterday");
  });

  test("2 days ago", () => {
    const today = new Date();
    const testing = new Date(Date.UTC(today.getFullYear(), today.getMonth(), today.getDate()));
    const resultDate = new Date(testing.setDate(testing.getDate() - 2));

    expect(prettyDate(resultDate.toISOString())).toBe("2 days ago");
  });

  test("2 weeks ago", () => {
    const today = new Date();
    const testing = new Date(Date.UTC(today.getFullYear(), today.getMonth(), today.getDate()));
    const resultDate = new Date(testing.setDate(testing.getDate() - 14));

    expect(prettyDate(resultDate.toISOString())).toBe("2 weeks ago");
  });

  test("100 days ago", () => {
    const today = new Date();
    const testing = new Date(Date.UTC(today.getFullYear(), today.getMonth(), today.getDate()));
    const resultDate = new Date(testing.setDate(testing.getDate() - 100));

    expect(prettyDate(resultDate.toISOString())).toBe("100 days ago");
  });
});

describe("Helper function msToHMS", () => {
  test("Correct", () => {
    expect(msToHMS(10000)).toBe("0:0:10");
  });
});