Add badrequest to weatherservice, change webmarker to interface

sample/Ardalis.Result.Sample.Core/Services/WeatherService.cs

@@ -41,6 +41,16 @@ public Result<IEnumerable<WeatherForecast>> GetForecast(ForecastRequestDto model
                 });
             }
 
+            if (string.IsNullOrWhiteSpace(model.PostalCode))
+            {
+                return Result.Invalid(new List<ValidationError> {
+                    new ValidationError
+                    {
+                        Identifier = nameof(model.PostalCode),
+                        ErrorMessage = "PostalCode is required" }
+                    });
+            }
+
             // test value
             if (model.PostalCode == "55555")
             {

sample/Ardalis.Result.SampleMinimalApi.FunctionalTests/NewWeatherForecast.cs

@@ -11,12 +11,12 @@
 using Xunit;
 
 namespace Ardalis.Result.SampleMinimalApi.FunctionalTests;
-public class NewWeatherForecast : IClassFixture<WebApplicationFactory<WebMarker>>
+public class NewWeatherForecast : IClassFixture<WebApplicationFactory<IWebMarker>>
 {
     private const string ENDPOINT_POST_ROUTE = "/forecast/new";
     private readonly HttpClient _client;
 
-    public NewWeatherForecast(WebApplicationFactory<WebMarker> factory)
+    public NewWeatherForecast(WebApplicationFactory<IWebMarker> factory)
     {
         _client = factory.CreateClient();
     }
@@ -36,7 +36,7 @@ public async Task ReturnsOkWithValueGivenValidPostalCode()
         Assert.Equal("Freezing", forecasts.First().Summary);
     }
 
-    [Fact(Skip = "TODO: Minimal APIs not respecting System.ComponentModel.DataAnnotations")]
+    [Fact]
     public async Task ReturnsBadRequestGivenNoPostalCode()
     {
         var requestDto = new ForecastRequestDto() { PostalCode = "" };

sample/Ardalis.Result.SampleMinimalApi/IWebMarker.cs

@@ -0,0 +1,8 @@
+namespace Ardalis.Result.SampleMinimalApi;
+
+/// <summary>
+/// This is a simple marker type that is used by the integration tests to reference the correct assembly for host building
+/// </summary>
+public interface IWebMarker
+{
+}

sample/Ardalis.Result.SampleMinimalApi/Program.cs

@@ -36,7 +36,7 @@
 
 app.UseHttpsRedirection();
 
-app.MapPost("/Forecast/New", ([Required]ForecastRequestDto request, WeatherService weatherService) =>
+app.MapPost("/Forecast/New", (ForecastRequestDto request, WeatherService weatherService) =>
 {
     return weatherService.GetForecast(request).ToHttpResult();
 })