import { readId } from '../../src/utils';

describe('readId', () => {
  it('reads a positive integer', () => {
    expect(readId('7')).toBe(7);
    expect(readId('999999')).toBe(999999);
  });

  // Each of these used to be sent to Postgres as text, raising 22P02 for an
  // integer column and surfacing to the caller as a 500 (#207).
  it.each(['abc', '', '   ', '1.5', '-1', '0', 'NaN', '1e5abc'])(
    'refuses %p',
    (value) => {
      expect(readId(value)).toBeNull();
    }
  );

  it('refuses a missing param', () => {
    expect(readId(undefined)).toBeNull();
  });
});