BritishHorseRacingApi/BritishHorseRacingApi.Tests/DataConverterHelperTests.cs

using BritishHorseRacingApi.Helpers;
using System;
using Xunit;

namespace BritishHorseRacingApi.Tests
{
    public class DataConverterHelperTests
    {
        [Theory()]
        [InlineData("1m 24.73s", 1, 24, 73)]
        [InlineData("5m 42s", 5, 42, 0)]
        [InlineData("7m 2.9s", 7, 2, 9)]
        public void TestStopWatchStringConversion(string time, int mins, int seconds, int milliseconds)
        {
            //Arrange
            //Act
            var totalMilliseconds = DataConverterHelper.StopWatchStringToMilliseconds(time);
            //Assert
            var timeSpan = TimeSpan.FromMilliseconds((double)totalMilliseconds);
            Assert.Equal(mins, timeSpan.Minutes);
            Assert.Equal(seconds, timeSpan.Seconds);
            Assert.Equal(milliseconds, timeSpan.Milliseconds);
        }

        [Theory()]
        [InlineData("", null)]
        [InlineData(null, null)]
        [InlineData(" ", null)]
        public void TestStopWatchStringConversionForEmpty(string time, double? expectedValue)
        {
            //Arrange
            //Act
            var totalMilliseconds = DataConverterHelper.StopWatchStringToMilliseconds(time);
            //Assert
            Assert.Equal(totalMilliseconds, expectedValue);
        }

        [Theory()]
        [InlineData("1m 15.39s(+0.34s)", 340)]
        [InlineData(null, null)]
        [InlineData(" ", null)]
        public void TestStopwatchStringDifferenceToMilliseconds(string time, double? expectedValue)
        {
            //Arrange
            //Act
            var totalMilliseconds = DataConverterHelper.StopwatchStringDifferenceToMilliseconds(time);
            //Assert
            Assert.Equal(totalMilliseconds, expectedValue);
        }

        [Theory()]
        [InlineData("1m 1f 104y ", 2084)]
        [InlineData("1f 104y", 324)]
        [InlineData("104y", 104)]
        [InlineData("", null)]
        [InlineData(" ", null)]
        [InlineData(null, null)]
        public void TestDistanceStringToYardsConversion(string distance, int? expectedResult)
        {
            //Arrange
            //Act
            var result = DataConverterHelper.DistanceStringToYards(distance);
            //Assert
            Assert.Equal(expectedResult, result);
        }
    }
}