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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Text.Json;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Abstractions;
namespace Microsoft.AspNetCore.Http.HttpResults;
public class ProblemResultTests
{
[Fact]
public async Task ExecuteAsync_UsesDefaults_ForProblemDetails()
{
// Arrange
var details = new ProblemDetails();
var result = new ProblemHttpResult(details);
var stream = new MemoryStream();
var httpContext = new DefaultHttpContext()
{
RequestServices = CreateServices(),
Response =
{
Body = stream,
},
};
// Act
await result.ExecuteAsync(httpContext);
// Assert
Assert.Equal(StatusCodes.Status500InternalServerError, httpContext.Response.StatusCode);
stream.Position = 0;
var responseDetails = JsonSerializer.Deserialize<ProblemDetails>(stream);
Assert.Equal("https://tools.ietf.org/html/rfc7231#section-6.6.1", responseDetails.Type);
Assert.Equal("An error occurred while processing your request.", responseDetails.Title);
Assert.Equal(StatusCodes.Status500InternalServerError, responseDetails.Status);
}
[Fact]
public async Task ExecuteAsync_UsesDefaults_ForValidationProblemDetails()
{
// Arrange
var details = new HttpValidationProblemDetails();
var result = new ProblemHttpResult(details);
var stream = new MemoryStream();
var httpContext = new DefaultHttpContext()
{
RequestServices = CreateServices(),
Response =
{
Body = stream,
},
};
// Act
await result.ExecuteAsync(httpContext);
// Assert
Assert.Equal(StatusCodes.Status400BadRequest, httpContext.Response.StatusCode);
stream.Position = 0;
var responseDetails = JsonSerializer.Deserialize<HttpValidationProblemDetails>(stream);
Assert.Equal("https://tools.ietf.org/html/rfc7231#section-6.5.1", responseDetails.Type);
Assert.Equal("One or more validation errors occurred.", responseDetails.Title);
Assert.Equal(StatusCodes.Status400BadRequest, responseDetails.Status);
}
[Fact]
public async Task ExecuteAsync_GetsStatusCodeFromProblemDetails()
{
// Arrange
var details = new ProblemDetails { Status = StatusCodes.Status413RequestEntityTooLarge, };
var result = new ProblemHttpResult(details);
var httpContext = new DefaultHttpContext()
{
RequestServices = CreateServices(),
};
// Act
await result.ExecuteAsync(httpContext);
// Assert
Assert.Equal(StatusCodes.Status413RequestEntityTooLarge, details.Status.Value);
Assert.Equal(StatusCodes.Status413RequestEntityTooLarge, result.StatusCode);
Assert.Equal(StatusCodes.Status413RequestEntityTooLarge, httpContext.Response.StatusCode);
}
[Fact]
public void ExecuteAsync_ThrowsArgumentNullException_WhenHttpContextIsNull()
{
// Arrange
var result = new ProblemHttpResult(new());
HttpContext httpContext = null;
// Act & Assert
Assert.ThrowsAsync<ArgumentNullException>("httpContext", () => result.ExecuteAsync(httpContext));
}
private static IServiceProvider CreateServices()
{
var services = new ServiceCollection();
services.AddTransient(typeof(ILogger<>), typeof(NullLogger<>));
services.AddSingleton<ILoggerFactory>(NullLoggerFactory.Instance);
return services.BuildServiceProvider();
}
}
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