refactor(Customer): When a customer is created, the return is changed from 200 Ok to 201 Created

tests/Shop.IntegrationTests/Controllers/V1/CustomersControllerTests.cs

@@ -1,9 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Net;
-using System.Net.Http;
-using System.Net.Mime;
-using System.Text;
 using System.Threading.Tasks;
 using Bogus;
 using FluentAssertions;
@@ -45,7 +42,7 @@ public class CustomersControllerTests : IAsyncLifetime
     #region POST: /api/customer/
 
     [Fact]
-    public async Task Should_ReturnsHttpStatus200Ok_When_Post_ValidRequest()
+    public async Task Should_ReturnsHttpStatus201Created_When_Post_ValidRequest()
     {
         // Arrange
         await using var webApplicationFactory = InitializeWebAppFactory();
@@ -59,25 +56,27 @@ public class CustomersControllerTests : IAsyncLifetime
             .RuleFor(command => command.DateOfBirth, faker => faker.Person.DateOfBirth)
             .Generate();
 
-        var commandAsJsonString = command.ToJson();
-
         // Act
-        using var jsonContent = new StringContent(commandAsJsonString, Encoding.UTF8, MediaTypeNames.Application.Json);
+        using var jsonContent = command.ToJsonHttpContent();
         using var act = await httpClient.PostAsync(Endpoint, jsonContent);
 
         // Assert (HTTP)
         act.Should().NotBeNull();
         act.IsSuccessStatusCode.Should().BeTrue();
-        act.StatusCode.Should().Be(HttpStatusCode.OK);
+        act.StatusCode.Should().Be(HttpStatusCode.Created);
 
         // Assert (HTTP Content Response)
         var response = (await act.Content.ReadAsStringAsync()).FromJson<ApiResponse<CreatedCustomerResponse>>();
         response.Should().NotBeNull();
         response.Success.Should().BeTrue();
-        response.StatusCode.Should().Be(StatusCodes.Status200OK);
+        response.StatusCode.Should().Be(StatusCodes.Status201Created);
         response.Errors.Should().BeEmpty();
         response.Result.Should().NotBeNull();
         response.Result.Id.Should().NotBeEmpty();
+
+        // Assert Location Header
+        act.Headers.GetValues("Location").Should().NotBeNullOrEmpty()
+            .And.Contain($"/api/customers/{response.Result.Id}");
     }
 
     [Fact]
@@ -88,10 +87,9 @@ public class CustomersControllerTests : IAsyncLifetime
         using var httpClient = webApplicationFactory.CreateClient(CreateClientOptions());
 
         var command = new Faker<CreateCustomerCommand>().Generate();
-        var commandAsJsonString = command.ToJson();
 
         // Act
-        using var jsonContent = new StringContent(commandAsJsonString, Encoding.UTF8, MediaTypeNames.Application.Json);
+        using var jsonContent = command.ToJsonHttpContent();
         using var act = await httpClient.PostAsync(Endpoint, jsonContent);
 
         // Assert (HTTP)
@@ -141,10 +139,8 @@ public class CustomersControllerTests : IAsyncLifetime
             .RuleFor(command => command.DateOfBirth, faker => faker.Person.DateOfBirth)
             .Generate();
 
-        var commandAsJsonString = command.ToJson();
-
         // Act
-        using var jsonContent = new StringContent(commandAsJsonString, Encoding.UTF8, MediaTypeNames.Application.Json);
+        using var jsonContent = command.ToJsonHttpContent();
         using var act = await httpClient.PostAsync(Endpoint, jsonContent);
 
         // Assert (HTTP)

tests/Shop.IntegrationTests/Extensions/TExtensions.cs

@@ -0,0 +1,12 @@
+using System.Net.Http;
+using System.Net.Mime;
+using System.Text;
+using Shop.Core.Extensions;
+
+namespace Shop.IntegrationTests.Extensions;
+
+public static class TExtensions
+{
+    public static HttpContent ToJsonHttpContent<TRequest>(this TRequest request) =>
+        new StringContent(request.ToJson(), Encoding.UTF8, MediaTypeNames.Application.Json);
+}

tests/Shop.UnitTests/Application/Customer/Handlers/CreateCustomerCommandHandlerTests.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Threading;
 using System.Threading.Tasks;
+using Ardalis.Result;
 using Bogus;
 using FluentAssertions;
 using MediatR;
@@ -25,7 +26,7 @@ public class CreateCustomerCommandHandlerTests(EfSqliteFixture fixture) : IClass
     private readonly CreateCustomerCommandValidator _validator = new();
 
     [Fact]
-    public async Task Add_ValidCommand_ShouldReturnsSuccessResult()
+    public async Task Add_ValidCommand_ShouldReturnsCreatedResult()
     {
         // Arrange
         var command = new Faker<CreateCustomerCommand>()
@@ -52,8 +53,7 @@ public class CreateCustomerCommandHandlerTests(EfSqliteFixture fixture) : IClass
 
         // Assert
         act.Should().NotBeNull();
-        act.IsSuccess.Should().BeTrue();
-        act.SuccessMessage.Should().Be("Successfully registered!");
+        act.IsCreated().Should().BeTrue();
         act.Value.Should().NotBeNull();
         act.Value.Id.Should().NotBe(Guid.Empty);
     }