Fixed issue with publishe file details and add unit test

Author: Justin Skiles

src/Steam.UnitTests/SteamNewsTests.cs

@@ -1,10 +1,5 @@
-using Microsoft.Extensions.Configuration;
-using SteamWebAPI2.Interfaces;
-using SteamWebAPI2.Utilities;
-using System;
-using System.Collections.Generic;
+using SteamWebAPI2.Interfaces;
 using System.Net.Http;
-using System.Text;
 using System.Threading.Tasks;
 using Xunit;
 

src/Steam.UnitTests/SteamRemoteTests.cs

@@ -0,0 +1,25 @@
+using SteamWebAPI2.Interfaces;
+using System.Net.Http;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Steam.UnitTests
+{
+    public class SteamRemoteTests : BaseTest
+    {
+        private readonly SteamRemoteStorage steamInterface;
+
+        public SteamRemoteTests()
+        {
+            steamInterface = factory.CreateSteamWebInterface<SteamRemoteStorage>(new HttpClient());
+        }
+        
+        [Fact]
+        public async Task GetPublishedFileDetailsAsync_Should_Succeed()
+        {
+            var response = await steamInterface.GetPublishedFileDetailsAsync(1673456286);
+            Assert.NotNull(response);
+            Assert.NotNull(response.Data);
+        }
+    }
+}

src/SteamWebAPI2/Mappings/SteamRemoteStorageProfile.cs

@@ -17,8 +17,8 @@ public SteamRemoteStorageProfile()
                     return (PublishedFileVisibility)src;
                 });
             CreateMap<PublishedFileDetails, PublishedFileDetailsModel>()
-                .ForMember(dest => dest.FileUrl, opts => opts.MapFrom(source => new Uri(source.FileUrl)))
-                .ForMember(dest => dest.PreviewUrl, opts => opts.MapFrom(source => new Uri(source.PreviewUrl)));
+                .ForMember(dest => dest.FileUrl, opts => opts.MapFrom(source => !string.IsNullOrWhiteSpace(source.FileUrl) ? new Uri(source.FileUrl) : null))
+                .ForMember(dest => dest.PreviewUrl, opts => opts.MapFrom(source => !string.IsNullOrWhiteSpace(source.FileUrl) ? new Uri(source.PreviewUrl) : null));
             CreateMap<PublishedFileDetailsResultContainer, IReadOnlyCollection<PublishedFileDetailsModel>>()
                 .ConvertUsing((src, dest, context) =>
                     context.Mapper.Map<IList<PublishedFileDetails>, IReadOnlyCollection<PublishedFileDetailsModel>>(