Merge Features.Auth and Features.UserManagement into Features.Users

web/backend/Features/Features.Users.Tests/Commands/ResendConfirmationEmailHandlerTests.cs

@@ -0,0 +1,102 @@
+using Features.Auth.Commands.ResendConfirmationEmail;
+using Features.Auth.Identity;
+using Features.Auth.Services;
+using Features.Auth.Tests.TestSupport;
+using MediatR;
+using Microsoft.AspNetCore.Identity;
+using Moq;
+using Shared.Application.Emails;
+
+namespace Features.Auth.Tests.Commands;
+
+public class ResendConfirmationEmailHandlerTests
+{
+    private readonly ResendConfirmationEmailHandler _handler;
+    private readonly Mock<IMediator> _mediatorMock = new();
+    private readonly Mock<ITokenService> _tokenServiceMock = new();
+    private readonly Mock<UserManager<ApplicationUser>> _userManagerMock =
+        UserManagerMockFactory.Create();
+
+    public ResendConfirmationEmailHandlerTests()
+    {
+        _handler = new ResendConfirmationEmailHandler(
+            _userManagerMock.Object,
+            _tokenServiceMock.Object,
+            _mediatorMock.Object
+        );
+    }
+
+    [Fact]
+    public async Task Handle_SendsFreshConfirmationEmail_WhenUserExistsAndUnverified()
+    {
+        Guid userId = Guid.NewGuid();
+        ApplicationUser user = new()
+        {
+            Id = userId,
+            FirstName = "Aaron",
+            Email = "aaron@example.com",
+        };
+
+        _userManagerMock.Setup(x => x.FindByIdAsync(userId.ToString())).ReturnsAsync(user);
+        _userManagerMock.Setup(x => x.IsEmailConfirmedAsync(user)).ReturnsAsync(false);
+        _tokenServiceMock
+            .Setup(x => x.GenerateConfirmationToken(user.Id, user.UserName))
+            .Returns("fresh-token");
+
+        await _handler.Handle(new ResendConfirmationEmailCommand(userId), CancellationToken.None);
+
+        _mediatorMock.Verify(
+            x =>
+                x.Send(
+                    It.Is<SendResendConfirmationEmailCommand>(c =>
+                        c.FirstName == "Aaron"
+                        && c.Email == "aaron@example.com"
+                        && c.ConfirmationToken == "fresh-token"
+                    ),
+                    It.IsAny<CancellationToken>()
+                ),
+            Times.Once
+        );
+    }
+
+    [Fact]
+    public async Task Handle_DoesNothing_WhenUserDoesNotExist()
+    {
+        Guid userId = Guid.NewGuid();
+        _userManagerMock
+            .Setup(x => x.FindByIdAsync(userId.ToString()))
+            .ReturnsAsync((ApplicationUser?)null);
+
+        await _handler.Handle(new ResendConfirmationEmailCommand(userId), CancellationToken.None);
+
+        _mediatorMock.Verify(
+            x =>
+                x.Send(
+                    It.IsAny<SendResendConfirmationEmailCommand>(),
+                    It.IsAny<CancellationToken>()
+                ),
+            Times.Never
+        );
+    }
+
+    [Fact]
+    public async Task Handle_DoesNothing_WhenUserAlreadyVerified()
+    {
+        Guid userId = Guid.NewGuid();
+        ApplicationUser user = new() { Id = userId };
+
+        _userManagerMock.Setup(x => x.FindByIdAsync(userId.ToString())).ReturnsAsync(user);
+        _userManagerMock.Setup(x => x.IsEmailConfirmedAsync(user)).ReturnsAsync(true);
+
+        await _handler.Handle(new ResendConfirmationEmailCommand(userId), CancellationToken.None);
+
+        _mediatorMock.Verify(
+            x =>
+                x.Send(
+                    It.IsAny<SendResendConfirmationEmailCommand>(),
+                    It.IsAny<CancellationToken>()
+                ),
+            Times.Never
+        );
+    }
+}