TravBot-v3/test/wrappers.ts

import { strict as assert } from 'assert';
import {
  NumberWrapper,
  StringWrapper,
  ArrayWrapper,
} from '../src/core/wrappers';

// I can't figure out a way to run the test suite while running the bot.
describe('Wrappers', () => {
  describe('NumberWrapper', () => {
    describe('#pluralise()', () => {
      it('should return "5 credits"', () => {
        assert.strictEqual(
          new NumberWrapper(5).pluralise('credit', 's'),
          '5 credits',
        );
      });

      it('should return "1 credit"', () => {
        assert.strictEqual(
          new NumberWrapper(1).pluralise('credit', 's'),
          '1 credit',
        );
      });

      it('should return "-1 credits"', () => {
        assert.strictEqual(
          new NumberWrapper(-1).pluralise('credit', 's'),
          '-1 credits',
        );
      });

      it('should be able to work with a plural suffix', () => {
        assert.strictEqual(
          new NumberWrapper(2).pluralise('part', 'ies', 'y'),
          '2 parties',
        );
      });

      it('should be able to work with a singular suffix', () => {
        assert.strictEqual(
          new NumberWrapper(1).pluralise('part', 'ies', 'y'),
          '1 party',
        );
      });

      it('should be able to exclude the number', () => {
        assert.strictEqual(
          new NumberWrapper(1).pluralise('credit', 's', '', true),
          'credit',
        );
      });
    });

    describe('#pluraliseSigned()', () => {
      it('should return "-1 credits"', () => {
        assert.strictEqual(
          new NumberWrapper(-1).pluraliseSigned('credit', 's'),
          '-1 credits',
        );
      });

      it('should return "+0 credits"', () => {
        assert.strictEqual(
          new NumberWrapper(0).pluraliseSigned('credit', 's'),
          '+0 credits',
        );
      });

      it('should return "+1 credit"', () => {
        assert.strictEqual(
          new NumberWrapper(1).pluraliseSigned('credit', 's'),
          '+1 credit',
        );
      });
    });
  });

  describe('StringWrapper', () => {
    describe('#replaceAll()', () => {
      it('should convert "test" to "zesz"', () => {
        assert.strictEqual(
          new StringWrapper('test').replaceAll('t', 'z'),
          'zesz',
        );
      });
    });

    describe('#toTitleCase()', () => {
      it('should capitalize the first letter of each word', () => {
        assert.strictEqual(
          new StringWrapper(
            'yeetus deletus find salvation from jesus',
          ).toTitleCase(),
          'Yeetus Deletus Find Salvation From Jesus',
        );
      });
    });
  });

  describe('ArrayWrapper', () => {
    describe('#split()', () => {
      it('should split [1,2,3,4,5,6,7,8,9,10] into [[1,2,3],[4,5,6],[7,8,9],[10]]', () => {
        assert.deepStrictEqual(
          new ArrayWrapper([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]).split(3),
          [[1, 2, 3], [4, 5, 6], [7, 8, 9], [10]],
        );
      });
    });
  });
});