import { transformSnakeCase, uuid } from './utils';

describe('uuid', () => {
  it('should generate a random uuid each time', () => {
    const uniqueId = uuid();

    expect(typeof uniqueId).toBe('string');
    expect(uniqueId).toMatch(/[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}/);

    const uniqueId2 = uuid();
    expect(uniqueId).not.toBe(uniqueId2);
  });
});

describe('transformSnakeCase', () => {
  it.each([
    ['data_entry', 'dataEntry'],
    ['user_input', 'userInput'],
    ['file_path', 'filePath'],
    ['image_size', 'imageSize'],
    ['color_code', 'colorCode'],
    ['table_row', 'tableRow'],
    ['page_number', 'pageNumber'],
    ['search_query', 'searchQuery'],
    ['last_update', 'lastUpdate'],
    ['item_list', 'itemList'],
  ])('should convert %s to camelCase "%s"', (input, expected) => {
    expect(transformSnakeCase(input)).toBe(expected);
  });

  it.each([
    'dataEntry',
    'userInput',
    'filePath',
    'imageSize',
    'colorCode',
    'tableRow',
    'pageNumber',
    'searchQuery',
    'lastUpdate',
    'itemList',
  ])('should maintain camelCase formatting for camelCase strings passed in', (input) => {
    expect(transformSnakeCase(input)).toBe(input);
  });
});