.net10 сервер с рабочими звонками и файлами

apps/server-net/tests/Vortex.Modules.Chats.UnitTests/GetOrCreateFavoritesCommandHandlerTests.cs

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+using FluentAssertions;
+using NSubstitute;
+using Vortex.Modules.Chats.Application.Abstractions;
+using Vortex.Modules.Chats.Application.Chats.GetOrCreateFavorites;
+using Vortex.Modules.Chats.Domain;
+using Vortex.Shared.Kernel;
+using Xunit;
+
+namespace Vortex.Modules.Chats.UnitTests;
+
+public class GetOrCreateFavoritesCommandHandlerTests
+{
+    private readonly IChatRepository _chatRepository;
+    private readonly IChatsUnitOfWork _unitOfWork;
+    private readonly GetOrCreateFavoritesCommandHandler _handler;
+
+    public GetOrCreateFavoritesCommandHandlerTests()
+    {
+        _chatRepository = Substitute.For<IChatRepository>();
+        _unitOfWork = Substitute.For<IChatsUnitOfWork>();
+        _handler = new GetOrCreateFavoritesCommandHandler(_chatRepository, _unitOfWork);
+    }
+
+    [Fact]
+    public async Task Handle_ShouldReturnExistingChat_WhenFavoritesAlreadyExists()
+    {
+        // Arrange
+        var userId = Guid.NewGuid();
+        var existingChat = Chat.Create("Избранное", ChatType.Favorites);
+        
+        _chatRepository.GetFavoritesAsync(userId, Arg.Any<CancellationToken>())
+            .Returns(existingChat);
+
+        var command = new GetOrCreateFavoritesCommand(userId);
+
+        // Act
+        var result = await _handler.Handle(command, CancellationToken.None);
+
+        // Assert
+        result.IsSuccess.Should().BeTrue();
+        result.Value.Should().Be(existingChat.Id);
+        
+        _chatRepository.DidNotReceive().Add(Arg.Any<Chat>());
+        await _unitOfWork.DidNotReceive().SaveChangesAsync(Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_ShouldCreateNewChat_WhenFavoritesDoesNotExist()
+    {
+        // Arrange
+        var userId = Guid.NewGuid();
+        _chatRepository.GetFavoritesAsync(userId, Arg.Any<CancellationToken>())
+            .Returns((Chat)null!);
+
+        var command = new GetOrCreateFavoritesCommand(userId);
+
+        // Act
+        var result = await _handler.Handle(command, CancellationToken.None);
+
+        // Assert
+        result.IsSuccess.Should().BeTrue();
+        result.Value.Should().NotBeEmpty();
+        
+        _chatRepository.Received(1).Add(Arg.Is<Chat>(c => 
+            c.Type == ChatType.Favorites && 
+            c.Name == "Избранное" &&
+            c.Members.Any(m => m.UserId == userId)));
+            
+        await _unitOfWork.Received(1).SaveChangesAsync(Arg.Any<CancellationToken>());
+    }
+}