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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.Net;
using System.Net.Http;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.TestHost;
using Microsoft.Extensions.DependencyInjection;
namespace Microsoft.AspNetCore.Mvc.FunctionalTests;
public class JsonResultWithNewtonsoftJsonTest : IClassFixture<MvcTestFixture<BasicWebSite.StartupWithNewtonsoftJson>>
{
private IServiceCollection _serviceCollection;
public JsonResultWithNewtonsoftJsonTest(MvcTestFixture<BasicWebSite.StartupWithNewtonsoftJson> fixture)
{
var factory = fixture.Factories.FirstOrDefault() ?? fixture.WithWebHostBuilder(b => b.UseStartup<BasicWebSite.StartupWithNewtonsoftJson>());
factory = factory.WithWebHostBuilder(b => b.ConfigureTestServices(serviceCollection => _serviceCollection = serviceCollection));
Client = factory.CreateDefaultClient();
}
public HttpClient Client { get; }
[Fact]
public async Task JsonResult_UsesDefaultContentType()
{
// Arrange
var url = "http://localhost/JsonResultWithNewtonsoftJson/Plain";
var request = new HttpRequestMessage(HttpMethod.Get, url);
// Act
var response = await Client.SendAsync(request);
var content = await response.Content.ReadAsStringAsync();
// Assert
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal("application/json", response.Content.Headers.ContentType.MediaType);
Assert.Equal("{\"message\":\"hello\"}"{\"message\":\"hello\"}", content);
}
// Using an Accept header can't force Json to not be Json. If your accept header doesn't jive with the
// formatters/content-type configured on the result it will be ignored.
[Theory]
[InlineData("application/xml")]
[InlineData("text/xml")]
public async Task JsonResult_Conneg_Fails(string mediaType)
{
// Arrange
var url = "http://localhost/JsonResultWithNewtonsoftJson/Plain";
var request = new HttpRequestMessage(HttpMethod.Get, url);
request.Headers.TryAddWithoutValidation("Accept", mediaType);
// Act
var response = await Client.SendAsync(request);
var content = await response.Content.ReadAsStringAsync();
// Assert
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal("application/json", response.Content.Headers.ContentType.MediaType);
Assert.Equal("{\"message\":\"hello\"}"{\"message\":\"hello\"}", content);
}
// If the object is null, it will get formatted as JSON. NOT as a 204/NoContent
[Fact]
public async Task JsonResult_Null()
{
// Arrange
var url = "http://localhost/JsonResultWithNewtonsoftJson/Null";
var request = new HttpRequestMessage(HttpMethod.Get, url);
// Act
var response = await Client.SendAsync(request);
var content = await response.Content.ReadAsStringAsync();
// Assert
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal("application/json", response.Content.Headers.ContentType.MediaType);
Assert.Equal("null", content);
}
// If the object is a string, it will get formatted as JSON. NOT as text/plain.
[Fact]
public async Task JsonResult_String()
{
// Arrange
var url = "http://localhost/JsonResultWithNewtonsoftJson/String";
var request = new HttpRequestMessage(HttpMethod.Get, url);
// Act
var response = await Client.SendAsync(request);
var content = await response.Content.ReadAsStringAsync();
// Assert
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal("application/json", response.Content.Headers.ContentType.MediaType);
Assert.Equal("\"hello\"", content);
}
[Fact]
public async Task JsonResult_Uses_CustomSerializerSettings()
{
// Arrange
var url = "http://localhost/JsonResultWithNewtonsoftJson/CustomSerializerSettings";
var request = new HttpRequestMessage(HttpMethod.Get, url);
// Act
var response = await Client.SendAsync(request);
var content = await response.Content.ReadAsStringAsync();
// Assert
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal("{\"message\":\"hello\"}"{\"message\":\"hello\"}", content);
}
[Fact]
public async Task JsonResult_CustomContentType()
{
// Arrange
var url = "http://localhost/JsonResultWithNewtonsoftJson/CustomContentType";
var request = new HttpRequestMessage(HttpMethod.Get, url);
// Act
var response = await Client.SendAsync(request);
var content = await response.Content.ReadAsStringAsync();
// Assert
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal("application/message+json", response.Content.Headers.ContentType.MediaType);
Assert.Equal("{\"message\":\"hello\"}"{\"message\":\"hello\"}", content);
}
}
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