import { formatMilliSeconds, formatNumber, formatPercentage } from './formatter.util';

describe('Formatter Uti', () => {
    it('formatNumber()', () => {
        expect(formatNumber(123)).toEqual('123');
        expect(formatNumber(1234)).toEqual('1.2 K');
        expect(formatNumber(1999)).toEqual('2.0 K');
        expect(formatNumber(123456)).toEqual('123.5 K');
        expect(formatNumber(1234567)).toEqual('1.2 M');
        expect(formatNumber(1534567)).toEqual('1.5 M');
        expect(formatNumber(1534567, 2)).toEqual('1.53 M');
        expect(formatNumber(1534567, 0)).toEqual('2 M');
        expect(formatNumber(200.123, 0)).toEqual('200');
    });

    it('formatMilliSeconds()', () => {
        // 1 hour
        let x = 60 * 60 * 1000;
        expect(formatMilliSeconds(x)).toEqual('1 Hrs');
        x = 2 * 60 * 60 * 1000;
        expect(formatMilliSeconds(x)).toEqual('2 Hrs');
        x = 2.5 * 60 * 60 * 1000;
        expect(formatMilliSeconds(x)).toEqual('2.5 Hrs');
    });

    it('formatPercentage()', () => {
        expect(formatPercentage(0.12)).toEqual('12%');
        expect(formatPercentage(0.123, 1)).toEqual('12.3%');
        expect(formatPercentage(0.123)).toEqual('12%');
    });
});