import { TestCase } from "./framework/test_case.js";
import { groupDigits, compact, hours, improvements } from "../shared/text_format.js";

export class TextFormatTest extends TestCase {
  test_group_digits() {
    this.assertEqual(groupDigits(0), "0");
    this.assertEqual(groupDigits(7), "7");
    this.assertEqual(groupDigits(123), "123");
    this.assertEqual(groupDigits(1234), "1 234");
    this.assertEqual(groupDigits(1234567), "1 234 567");
    this.assertEqual(groupDigits(-1234), "-1 234");
  }

  test_compact() {
    this.assertEqual(compact(0), "0");
    this.assertEqual(compact(7), "7");
    this.assertEqual(compact(999), "999");
    this.assertEqual(compact(1234), "1.23K");
    this.assertEqual(compact(1234567), "1.23M");
    this.assertEqual(compact(999950), "1M");
    this.assertEqual(compact(-2500), "-2.5K");
  }

  test_hours() {
    this.assertEqual(hours(0.5), "0.50 h");
    this.assertEqual(hours(2.25), "2.3 h");
  }

  test_improvements() {
    this.assertEqual(improvements([]), "None");
    this.assertEqual(improvements(["Eiffel Tower", "Louvre"]), "Eiffel Tower, Louvre");
  }
}