Сборка бэк

backend/Tests/Users/UnitTests/UpdateProfileCommandHandlerTests.cs

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+using FluentAssertions;
+using Knot.Modules.Profiles.Application.Profiles.UpdateProfile;
+using Knot.Modules.Profiles.Domain;
+using Knot.Shared.Kernel;
+using NSubstitute;
+using Xunit;
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Knot.Modules.Profiles.Application.Abstractions;
+
+namespace Knot.Modules.Profiles.UnitTests;
+
+public class UpdateProfileCommandHandlerTests
+{
+    private readonly IProfileRepository _profileRepository;
+    private readonly UpdateProfileCommandHandler _handler;
+
+    public UpdateProfileCommandHandlerTests()
+    {
+        _profileRepository = Substitute.For<IProfileRepository>();
+        _handler = new UpdateProfileCommandHandler(_profileRepository);
+    }
+
+    [Fact]
+    public async Task Handle_ShouldReturnError_WhenProfileNotFound()
+    {
+        // Arrange
+        var command = new UpdateProfileCommand(Guid.NewGuid(), "FirstName", "Bio", null);
+        _profileRepository.GetByIdAsync(command.UserId, Arg.Any<CancellationToken>()).Returns((ProfileDocument?)null);
+
+        // Act
+        var result = await _handler.Handle(command, CancellationToken.None);
+
+        // Assert
+        result.IsFailure.Should().BeTrue();
+    }
+}