Start of the unit tests for CoverDbService.

API.Tests/API.Tests.csproj

@@ -28,6 +28,7 @@
 
     <ItemGroup>
         <Folder Include="Services\Test Data\ArchiveService\ComicInfos" />
+        <Folder Include="Services\Test Data\CoverDbService\" />
         <Folder Include="Services\Test Data\ImageService\Covers\" />
     </ItemGroup>
 

API.Tests/Services/CoverDbServiceTests.cs

@@ -1,9 +1,28 @@
 using System.Threading.Tasks;
+using API.Services;
+using API.Services.Tasks.Metadata;
+using API.SignalR;
+using EasyCaching.Core;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using NSubstitute;
 
 namespace API.Tests.Services;
 
 public class CoverDbServiceTests : AbstractDbTest
 {
+    private readonly IDirectoryService _directoryService;
+    private readonly IEasyCachingProviderFactory _cacheFactory = Substitute.For<IEasyCachingProviderFactory>();
+    private readonly ICoverDbService _coverDbService;
+    public CoverDbServiceTests()
+    {
+        _directoryService = new DirectoryService(Substitute.For<ILogger<DirectoryService>>(), CreateFileSystem());
+        var imageService = new ImageService(Substitute.For<ILogger<ImageService>>(), _directoryService);
+
+        _coverDbService = new CoverDbService(Substitute.For<ILogger<CoverDbService>>(), _directoryService, _cacheFactory,
+            Substitute.For<IHostEnvironment>(), imageService, UnitOfWork, Substitute.For<IEventHub>());
+    }
+
     protected override Task ResetDb()
     {
         throw new System.NotImplementedException();