import { showInContext } from './util';

test('showInContext', () => {
  const id = <T>(x: T, ..._) => x;

  const example = id`
    The quick brown fox jumps over the lazy dog.
    How razorback jumping ${false} frogs level six piqued gymnasts!
    Sphinx of black quartz: judge my vow.
  `;

  expect(
    showInContext(example, { index: 68, outerIndex: 0, length: 14 })
  ).toEqual(
    [
      // eslint-disable-next-line no-template-curly-in-string
      '    How razorback jumping ${...} frogs level six piqued gymnasts!',
      '                  ^^^^^^^^^^^^^^^^^^^^                           ',
    ].join('\n')
  );

  expect(
    showInContext(example, { index: 24, outerIndex: 1, length: 20 })
  ).toEqual(
    [
      // eslint-disable-next-line no-template-curly-in-string
      '    How razorback jumping ${...} frogs level six piqued gymnasts!',
      '                                                        ^^^^^^^^^',
      '    Sphinx of black quartz: judge my vow.',
      '^^^^^^^^^^                               ',
    ].join('\n')
  );
});