Método de obtener contactos agregado

src/ApiContactos.Tests/ContactosTest.cs

@@ -0,0 +1,39 @@
+using System.Net;
+using System.Text.Json;
+using Microsoft.AspNetCore.Mvc.Testing;
+using Xunit;
+
+public class ContactosTest : IClassFixture<WebApplicationFactory<Program>>
+{
+    private readonly WebApplicationFactory<Program> _factory;
+
+    public ContactosTest(WebApplicationFactory<Program> factory)
+    {
+        _factory = factory;
+    }
+
+    [Fact]
+    public async Task ObtenerContactos_ReturnsExpectedContactList()
+    {
+        // Arrange
+        var client = _factory.CreateClient();
+
+        // Act
+        var response = await client.GetAsync("/obtenercontactos");
+
+        // Assert
+        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+
+        var responseString = await response.Content.ReadAsStringAsync();
+        var contactos = JsonSerializer.Deserialize<List<string>>(responseString, new JsonSerializerOptions
+        {
+            PropertyNameCaseInsensitive = true
+        });
+
+        Assert.NotNull(contactos);
+        Assert.Equal(3, contactos.Count);
+        Assert.Contains("Amin Espinoza", contactos);
+        Assert.Contains("Oscar Barajas", contactos);
+        Assert.Contains("Pepe Rodelo", contactos);
+    }
+}

src/ContactosAPI/Program.cs

@@ -59,6 +59,16 @@
 .WithName("GetWeatherForecast")
 .WithOpenApi();
 
+app.MapGet("/obtenercontactos", () =>
+{
+    var contactos = new List<string> { "Amin Espinoza", "Oscar Barajas", "Pepe Rodelo" };
+    return contactos;
+})
+.WithName("ObtenerContactos")
+.WithOpenApi();
+
+app.Run();
+
 app.Run();
 
 record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary)