import { MiscHelpersService } from './misc-helpers.service';
​
describe('MiscHelpersService', () => {
  const service = new MiscHelpersService();
  const offset = new Date().getTimezoneOffset();
  const timeZoneOffset = Math.abs(offset / 60).toFixed(0);
  const timeZoneOffsetPadded = parseInt(timeZoneOffset, 10) < 10 ? `0${timeZoneOffset}` : timeZoneOffset;
  const timeZoneOffsetFormatted = `${offset > 0 ? '-' : '+'}${timeZoneOffsetPadded}:00`;
​
  it('formatMediumDate: should create medium date from date string', () => {
    const date1 = `2018-10-05T00:00:00.000${timeZoneOffsetFormatted}`;
    expect(service.formatMediumDate(date1)).toBe('Oct 5, 2018');
    const date2 = `2019-07-12T00:00:00.000${timeZoneOffsetFormatted}`;
    expect(service.formatMediumDate(date2)).toBe('Jul 12, 2019');
    const date3 = '';
    expect(service.formatMediumDate(date3)).toBe('');
    const date4 = `2018-16-40T00:00:00.000${timeZoneOffsetFormatted}`;
    expect(service.formatMediumDate(date4)).toBe('');
  });
​
​
  it('formatUSD: should create price format with dollar sign and two decimals', () => {
    const price1 = 2;
    expect(service.formatUSD(price1)).toBe('$2.00');
    const price2 = 2.4555;
    expect(service.formatUSD(price2)).toBe('$2.46');
    const price3 = 0.3;
    expect(service.formatUSD(price3)).toBe('$0.30');
    const price4 = 0;
    expect(service.formatUSD(price4)).toBe('$0.00');
    const price5 = null;
    expect(service.formatUSD(price5)).toBe('$0.00');
  });
​
  it('createSearchText: should delimit inputs with null characters', () => {
    const input1 = [];
    expect(service.createSearchText(...input1)).toBe('');
    const input2 = ['a'];
    expect(service.createSearchText(...input2)).toBe('a');
    const input3 = ['a', 'b'];
    expect(service.createSearchText(...input3)).toBe('a' + '\0' + 'b');
    const input4 = ['a', 'b', 'foo', 0, 1];
    expect(service.createSearchText(...input4)).toBe('a' + '\0' + 'b' + '\0' + 'foo' + '\0' + '0' + '\0' + '1');
  });
​
  it('createSearchText: should prevent wrapping between adjacent search inputs', () => {
    const rows = [['foo', 'bar', 100, 50], ['oob', 'oob', 50, 100], ['bar', 'baz', 100, 50]];
    const containsTextFilter = textFilter => columns => {
      const allText = service.createSearchText(...columns);
      return allText.toLocaleLowerCase().indexOf(textFilter.toLocaleLowerCase()) >= 0;
    };
​
    expect(rows.filter(containsTextFilter('oo'))).toEqual([['foo', 'bar', 100, 50], ['oob', 'oob', 50, 100]]);
    expect(rows.filter(containsTextFilter('oob'))).toEqual([['oob', 'oob', 50, 100]]);
    expect(rows.filter(containsTextFilter('501'))).toEqual([]);
    expect(rows.filter(containsTextFilter('100'))).toEqual([
      ['foo', 'bar', 100, 50],
      ['oob', 'oob', 50, 100],
      ['bar', 'baz', 100, 50],
    ]);
  });
});