feat(api): Deactivate + Reactivate usuarios — idempotentes, anti-lockout, revoke tokens [UDT-008]

tests/SIGCM2.Application.Tests/Usuarios/ReactivateUsuarioCommandHandlerTests.cs

@@ -0,0 +1,58 @@
+using NSubstitute;
+using SIGCM2.Application.Abstractions.Persistence;
+using SIGCM2.Application.Common;
+using SIGCM2.Application.Usuarios.Reactivate;
+using SIGCM2.Domain.Entities;
+using SIGCM2.Domain.Exceptions;
+
+namespace SIGCM2.Application.Tests.Usuarios;
+
+public class ReactivateUsuarioCommandHandlerTests
+{
+    private readonly IUsuarioRepository _repo = Substitute.For<IUsuarioRepository>();
+    private readonly ReactivateUsuarioCommandHandler _handler;
+
+    public ReactivateUsuarioCommandHandlerTests()
+    {
+        _handler = new ReactivateUsuarioCommandHandler(_repo);
+    }
+
+    private static Usuario MakeUser(int id = 5, bool activo = false)
+        => new(id, "user" + id, "$2a$12$hash", "Test", "User", null, "cajero", "[]", activo);
+
+    [Fact]
+    public async Task Handle_Reactivates_Inactive_User_Returns_Activo_True()
+    {
+        var target = MakeUser(5, false);
+        var reactivated = MakeUser(5, true);
+
+        _repo.GetByIdAsync(5, Arg.Any<CancellationToken>()).Returns(target);
+        _repo.GetDetailAsync(5, Arg.Any<CancellationToken>()).Returns(reactivated);
+
+        var result = await _handler.Handle(new ReactivateUsuarioCommand(5));
+
+        Assert.True(result.Activo);
+        await _repo.Received(1).UpdateAsync(5, Arg.Any<UpdateUsuarioFields>(), Arg.Any<DateTime>(), Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_Idempotent_When_Already_Active()
+    {
+        var target = MakeUser(5, true); // already active
+        _repo.GetByIdAsync(5, Arg.Any<CancellationToken>()).Returns(target);
+
+        var result = await _handler.Handle(new ReactivateUsuarioCommand(5));
+
+        await _repo.DidNotReceive().UpdateAsync(Arg.Any<int>(), Arg.Any<UpdateUsuarioFields>(), Arg.Any<DateTime>(), Arg.Any<CancellationToken>());
+        Assert.True(result.Activo);
+    }
+
+    [Fact]
+    public async Task Handle_Throws_UsuarioNotFoundException_When_Not_Found()
+    {
+        _repo.GetByIdAsync(9999, Arg.Any<CancellationToken>()).Returns((Usuario?)null);
+
+        await Assert.ThrowsAsync<UsuarioNotFoundException>(
+            () => _handler.Handle(new ReactivateUsuarioCommand(9999)));
+    }
+}