feat: work on implementing UoW pattern

src/SanctionsSearch.Worker.Tests/Integration/EfRepositoryTests.cs

@@ -0,0 +1,77 @@
+using Microsoft.Data.Sqlite;
+using Microsoft.EntityFrameworkCore;
+
+using SanctionsSearch.Worker.Tests.Fakes;
+
+namespace SanctionsSearch.Worker.Tests.Integration;
+
+public class EfRepositoryTests : IAsyncLifetime
+{
+  private readonly AppDbContext _context;
+  private readonly EfRepository<Sdn> _sdnRepository;
+  private readonly SdnFaker _sdnFaker = new();
+
+  public EfRepositoryTests()
+  {
+    var loggerFactory = LoggerFactory.Create(builder => builder.ClearProviders());
+
+    _context = new AppDbContext(new DbOptions { DatabaseName = $"{Guid.NewGuid()}.db" });
+    _sdnRepository = new EfRepository<Sdn>(_context, loggerFactory.CreateLogger<EfRepository<Sdn>>());
+  }
+
+  [Fact]
+  public async Task Upsert_WithNewEntity_ShouldAddEntityToDatabase()
+  {
+    var sdn = _sdnFaker.Generate();
+
+    await _sdnRepository.Upsert(sdn);
+    await _context.SaveChangesAsync();
+
+    var result = await _context.Sdns.FindAsync(sdn.Id);
+
+    result.Should().BeEquivalentTo(sdn);
+    result!.CreatedAt.Should().BeCloseTo(DateTime.UtcNow, TimeSpan.FromSeconds(1));
+    result.UpdatedAt.Should().BeCloseTo(DateTime.UtcNow, TimeSpan.FromSeconds(1));
+  }
+
+  [Fact]
+  public async Task Upsert_WithExistingEntity_ShouldUpdateEntityInDatabase()
+  {
+    var sdn = _sdnFaker.Generate();
+
+    await _sdnRepository.Upsert(sdn);
+    await _context.SaveChangesAsync();
+
+    var createdSdn = await _context.Sdns.FindAsync(sdn.Id);
+
+    createdSdn.Should().BeEquivalentTo(sdn);
+    createdSdn!.CreatedAt.Should().BeCloseTo(DateTime.UtcNow, TimeSpan.FromSeconds(1));
+    createdSdn.UpdatedAt.Should().BeCloseTo(DateTime.UtcNow, TimeSpan.FromSeconds(1));
+
+    var updatedSdn = _sdnFaker.Generate();
+    updatedSdn.Id = sdn.Id;
+
+    await _sdnRepository.Upsert(updatedSdn);
+    await _context.SaveChangesAsync();
+
+    var result = await _context.Sdns.FindAsync(sdn.Id);
+
+    result.Should().BeEquivalentTo(updatedSdn);
+    result!.CreatedAt.Should().BeSameDateAs(createdSdn.CreatedAt);
+    result.UpdatedAt.Should().BeAfter(createdSdn.UpdatedAt);
+  }
+
+  public async Task InitializeAsync()
+  {
+    await _context.Database.MigrateAsync();
+  }
+
+  public async Task DisposeAsync()
+  {
+    await _context.DisposeAsync();
+
+    SqliteConnection.ClearAllPools();
+
+    File.Delete(_context.DatabasePath);
+  }
+}