public async Task ExecuteAsync_Returns_CorrectResponse_WhenContentNegotiationFails()
{
// Arrange
HttpStatusCode statusCode = HttpStatusCode.Conflict;
object content = CreateContent();
ContentNegotiationResult negotiationResult = null;
using (HttpRequestMessage expectedRequest = CreateRequest())
{
IEnumerable <MediaTypeFormatter> expectedFormatters = CreateFormatters();
Mock <IContentNegotiator> spy = new Mock <IContentNegotiator>();
spy.Setup(n => n.Negotiate(typeof(object), expectedRequest, expectedFormatters)).Returns(
negotiationResult);
IContentNegotiator contentNegotiator = spy.Object;
IHttpActionResult result = new NegotiatedContentResult <object>(statusCode, content, contentNegotiator,
expectedRequest, expectedFormatters);
// Act
Task <HttpResponseMessage> task = result.ExecuteAsync(CancellationToken.None);
// Assert
Assert.NotNull(task);
using (HttpResponseMessage response = await task)
{
Assert.NotNull(response);
Assert.Equal(HttpStatusCode.NotAcceptable, response.StatusCode);
Assert.Same(expectedRequest, response.RequestMessage);
}
}
}
public void ExecuteAsync_ForApiController_ReturnsCorrectResponse_WhenContentNegotationSucceeds()
{
// Arrange
HttpStatusCode expectedStatusCode = CreateStatusCode();
object expectedContent = CreateContent();
ApiController controller = CreateController();
MediaTypeFormatter expectedInputFormatter = CreateFormatter();
MediaTypeFormatter expectedOutputFormatter = CreateFormatter();
MediaTypeHeaderValue expectedMediaType = CreateMediaType();
ContentNegotiationResult negotiationResult = new ContentNegotiationResult(expectedOutputFormatter,
expectedMediaType);
Expression <Func <IEnumerable <MediaTypeFormatter>, bool> > formattersMatch = (f) =>
f != null && f.AsArray().Length == 1 && f.AsArray()[0] == expectedInputFormatter;
using (HttpRequestMessage expectedRequest = CreateRequest())
{
Mock <IContentNegotiator> spy = new Mock <IContentNegotiator>();
spy.Setup(n => n.Negotiate(typeof(object), expectedRequest, It.Is(formattersMatch))).Returns(
negotiationResult);
IContentNegotiator contentNegotiator = spy.Object;
using (HttpConfiguration configuration = CreateConfiguration(expectedInputFormatter,
contentNegotiator))
{
controller.Configuration = configuration;
controller.Request = expectedRequest;
IHttpActionResult result = new NegotiatedContentResult <object>(expectedStatusCode, expectedContent,
controller);
// Act
Task <HttpResponseMessage> task = result.ExecuteAsync(CancellationToken.None);
// Assert
Assert.NotNull(task);
task.WaitUntilCompleted();
using (HttpResponseMessage response = task.Result)
{
Assert.NotNull(response);
Assert.Equal(expectedStatusCode, response.StatusCode);
HttpContent content = response.Content;
Assert.IsType <ObjectContent <object> >(content);
ObjectContent <object> typedContent = (ObjectContent <object>)content;
Assert.Same(expectedContent, typedContent.Value);
Assert.Same(expectedOutputFormatter, typedContent.Formatter);
Assert.NotNull(typedContent.Headers);
Assert.Equal(expectedMediaType, typedContent.Headers.ContentType);
Assert.Same(expectedRequest, response.RequestMessage);
}
}
}
}
public async Task ExecuteAsync_Returns_CorrectResponse_WhenContentNegotiationSucceeds()
{
// Arrange
HttpStatusCode expectedStatusCode = CreateStatusCode();
object expectedContent = CreateContent();
MediaTypeFormatter expectedFormatter = CreateFormatter();
MediaTypeHeaderValue expectedMediaType = CreateMediaType();
ContentNegotiationResult negotiationResult = new ContentNegotiationResult(
expectedFormatter,
expectedMediaType
);
using (HttpRequestMessage expectedRequest = CreateRequest())
{
IEnumerable <MediaTypeFormatter> expectedFormatters = CreateFormatters();
Mock <IContentNegotiator> spy = new Mock <IContentNegotiator>();
spy.Setup(n => n.Negotiate(typeof(object), expectedRequest, expectedFormatters))
.Returns(negotiationResult);
IContentNegotiator contentNegotiator = spy.Object;
IHttpActionResult result = new NegotiatedContentResult <object>(
expectedStatusCode,
expectedContent,
contentNegotiator,
expectedRequest,
expectedFormatters
);
// Act
Task <HttpResponseMessage> task = result.ExecuteAsync(CancellationToken.None);
// Assert
Assert.NotNull(task);
using (HttpResponseMessage response = await task)
{
Assert.NotNull(response);
Assert.Equal(expectedStatusCode, response.StatusCode);
HttpContent content = response.Content;
ObjectContent <object> typedContent = Assert.IsType <ObjectContent <object> >(
content
);
Assert.Same(expectedContent, typedContent.Value);
Assert.Same(expectedFormatter, typedContent.Formatter);
Assert.NotNull(typedContent.Headers);
Assert.Equal(expectedMediaType, typedContent.Headers.ContentType);
Assert.Same(expectedRequest, response.RequestMessage);
}
}
}