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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Net.Http.Formatting;
using System.Net.Http.Headers;
using System.Threading.Tasks;
using System.Web.Http.SelfHost;
using Xunit;
namespace System.Web.Http.ContentNegotiation
{
public class CustomFormatterTests : IDisposable
{
private HttpSelfHostServer server = null;
private string baseAddress = null;
private HttpClient httpClient = null;
private HttpSelfHostConfiguration config = null;
public CustomFormatterTests()
{
SetupHost();
}
public void Dispose()
{
this.CleanupHost();
}
[Fact]
public void CustomFormatter_Overrides_SetResponseHeaders_During_Conneg()
{
Order reqOrdr = new Order() { OrderId = "100", OrderValue = 100.00 };
HttpRequestMessage request = new HttpRequestMessage
{
Content = new ObjectContent<Order>(reqOrdr, new XmlMediaTypeFormatter())
};
request.RequestUri = new Uri(baseAddress + "/CustomFormatterTests/EchoOrder");
request.Method = HttpMethod.Post;
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("text/plainwithversioninfo"));
HttpResponseMessage response = httpClient.SendAsync(request).Result;
response.EnsureSuccessStatusCode();
IEnumerable<string> versionHdr = null;
Assert.True(response.Headers.TryGetValues("Version", out versionHdr));
Assert.Equal<string>("1.3.5.0", versionHdr.First());
Assert.NotNull(response.Content);
Assert.NotNull(response.Content.Headers.ContentType);
Assert.Equal<string>("text/plainwithversioninfo", response.Content.Headers.ContentType.MediaType);
}
[Fact]
public void CustomFormatter_Post_Returns_Request_String_Content()
{
HttpRequestMessage request = new HttpRequestMessage
{
Content = new ObjectContent<string>("Hello World!", new PlainTextFormatter())
};
request.RequestUri = new Uri(baseAddress + "/CustomFormatterTests/EchoString");
request.Method = HttpMethod.Post;
HttpResponseMessage response = httpClient.SendAsync(request).Result;
response.EnsureSuccessStatusCode();
Assert.NotNull(response.Content);
Assert.NotNull(response.Content.Headers.ContentType);
Assert.Equal<string>("text/plain", response.Content.Headers.ContentType.MediaType);
Assert.Equal<string>("Hello World!", response.Content.ReadAsStringAsync().Result);
}
[Fact(Skip = "Test update needed, uses IKeyValueModel")]
public void CustomFormatter_Post_Returns_Request_Integer_Content()
{
HttpRequestMessage request = new HttpRequestMessage
{
Content = new ObjectContent<int>(100, new PlainTextFormatter())
};
request.RequestUri = new Uri(baseAddress + "/CustomFormatterTests/EchoInt");
request.Method = HttpMethod.Post;
HttpResponseMessage response = httpClient.SendAsync(request).Result;
response.EnsureSuccessStatusCode();
Assert.NotNull(response.Content);
Assert.NotNull(response.Content.Headers.ContentType);
Assert.Equal<string>("text/plain", response.Content.Headers.ContentType.MediaType);
Assert.Equal<int>(100, Convert.ToInt32(response.Content.ReadAsStringAsync().Result));
}
[Fact(Skip = "Test update needed, uses IKeyValueModel")]
public void CustomFormatter_Post_Returns_Request_ComplexType_Content()
{
Order reqOrdr = new Order() { OrderId = "100", OrderValue = 100.00 };
HttpRequestMessage request = new HttpRequestMessage
{
Content = new ObjectContent<Order>(reqOrdr, new PlainTextFormatter())
};
request.RequestUri = new Uri(baseAddress + "/CustomFormatterTests/EchoOrder");
request.Method = HttpMethod.Post;
HttpResponseMessage response = httpClient.SendAsync(request).Result;
response.EnsureSuccessStatusCode();
Assert.NotNull(response.Content);
Assert.NotNull(response.Content.Headers.ContentType);
Assert.Equal<string>("text/plain", response.Content.Headers.ContentType.MediaType);
}
private void SetupHost()
{
httpClient = new HttpClient();
baseAddress = String.Format("http://{0}", Environment.MachineName);
config = new HttpSelfHostConfiguration(baseAddress);
config.Routes.MapHttpRoute("Default", "{controller}/{action}", new { controller = "CustomFormatterTests", action = "EchoOrder" });
config.Formatters.Add(new PlainTextFormatterWithVersionInfo());
config.Formatters.Add(new PlainTextFormatter());
server = new HttpSelfHostServer(config);
server.OpenAsync().Wait();
}
private void CleanupHost()
{
if (server != null)
{
server.CloseAsync().Wait();
}
}
}
public class PlainTextFormatterWithVersionInfo : MediaTypeFormatter
{
public PlainTextFormatterWithVersionInfo()
{
this.SupportedMediaTypes.Add(new MediaTypeHeaderValue("text/plainwithversioninfo"));
}
public override bool CanReadType(Type type)
{
return true;
}
public override bool CanWriteType(Type type)
{
return true;
}
public override void SetDefaultContentHeaders(Type objectType, HttpContentHeaders contentHeaders, string mediaType)
{
base.SetDefaultContentHeaders(objectType, contentHeaders, mediaType);
contentHeaders.TryAddWithoutValidation("Version", "1.3.5.0");
}
public override Task<object> ReadFromStreamAsync(Type type, Stream stream, HttpContentHeaders contentHeaders, IFormatterLogger formatterLogger)
{
string content = null;
using (var reader = new StreamReader(stream))
{
content = reader.ReadToEnd();
}
TaskCompletionSource<object> tcs = new TaskCompletionSource<object>();
tcs.SetResult(content);
return tcs.Task;
}
public override Task WriteToStreamAsync(Type type, object value, Stream stream, HttpContentHeaders contentHeaders, TransportContext transportContext)
{
var output = value.ToString();
var writer = new StreamWriter(stream);
writer.Write(output);
writer.Flush();
TaskCompletionSource<object> tcs = new TaskCompletionSource<object>();
tcs.SetResult(null);
return tcs.Task;
}
}
public class PlainTextFormatter : MediaTypeFormatter
{
public PlainTextFormatter()
{
this.SupportedMediaTypes.Add(new MediaTypeHeaderValue("text/plain"));
}
public override bool CanReadType(Type type)
{
return true;
}
public override bool CanWriteType(Type type)
{
return true;
}
public override Task<object> ReadFromStreamAsync(Type type, Stream stream, HttpContentHeaders contentHeaders, IFormatterLogger formatterLogger)
{
string content = null;
using (var reader = new StreamReader(stream))
{
content = reader.ReadToEnd();
}
TaskCompletionSource<object> tcs = new TaskCompletionSource<object>();
tcs.SetResult(content);
return tcs.Task;
}
public override Task WriteToStreamAsync(Type type, object value, Stream stream, HttpContentHeaders contentHeaders, TransportContext transportContext)
{
var output = value == null ? String.Empty : value.ToString();
var writer = new StreamWriter(stream);
writer.Write(output);
writer.Flush();
TaskCompletionSource<object> tcs = new TaskCompletionSource<object>();
tcs.SetResult(null);
return tcs.Task;
}
}
public class CustomFormatterTestsController : ApiController
{
[HttpPost]
public string EchoString([FromBody] string input)
{
return input;
}
[HttpPost]
public int EchoInt([FromBody] int input)
{
return input;
}
[HttpPost]
public Order EchoOrder(Order order)
{
return order;
}
}
public class Order : IEquatable<Order>, ICloneable
{
public string OrderId { get; set; }
public double OrderValue { get; set; }
public bool Equals(Order other)
{
return (this.OrderId.Equals(other.OrderId) && this.OrderValue.Equals(other.OrderValue));
}
public object Clone()
{
return this.MemberwiseClone();
}
public override string ToString()
{
return String.Format("OrderId:{0}, OrderValue:{1}", OrderId, OrderValue);
}
}
}
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