using System;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Program.Models;

namespace UnitTest
{
    [TestClass]
    public class UnitTest1
    {
        [TestMethod]
        public void FromStringArrayToStringTest()
        {
            // arrange
            string[] firstIntputStrings = new string[] { "21/07/2018", "22/07/2018" };
            string[] secondIntputStrings = new string[] { "12/08/2018", "07/10/2018" };
            string[] thirdIntputStrings = new string[] { "02/05/2018", "11/01/2019" };

            string firstExpectedOutputRange = "21 - 22.07.2018";
            string secondExpectedOutputRange = "12.08 - 07.10.2018";
            string thirdExpectedOutputRange = "02.05.2018 - 11.01.2019";

            // act
            DateSpan firstDateSpan = DateSpan.FromStringArray(firstIntputStrings);
            DateSpan secondDateSpan = DateSpan.FromStringArray(secondIntputStrings);
            DateSpan thirdDateSpan = DateSpan.FromStringArray(thirdIntputStrings);

            string firstOutputRange = firstDateSpan.ToString();
            string secondOutputRange = secondDateSpan.ToString();
            string thirdOutputRange = thirdDateSpan.ToString();

            // assert
            Assert.AreEqual(firstExpectedOutputRange, firstOutputRange);
            Assert.AreEqual(secondExpectedOutputRange, secondOutputRange);
            Assert.AreEqual(thirdExpectedOutputRange, thirdOutputRange);
        }
    }
}