public void Formatters_ForApiController_EvaluatesLazily()
{
// Arrange
string message = CreateMessage();
ApiController controller = CreateController();
IContentNegotiator contentNegotiator = CreateDummyContentNegotiator();
using (
HttpConfiguration earlyConfiguration = CreateConfiguration(
CreateFormatter(),
contentNegotiator
)
)
using (HttpRequestMessage request = CreateRequest())
{
controller.Configuration = earlyConfiguration;
controller.Request = request;
BadRequestErrorMessageResult result = CreateProductUnderTest(message, controller);
MediaTypeFormatter expectedFormatter = CreateFormatter();
using (
HttpConfiguration lateConfiguration = CreateConfiguration(
expectedFormatter,
contentNegotiator
)
)
{
controller.Configuration = lateConfiguration;
// Act
IEnumerable <MediaTypeFormatter> formatters = result.Formatters;
// Assert
Assert.NotNull(formatters);
MediaTypeFormatter formatter = Assert.Single(formatters);
Assert.Same(expectedFormatter, formatter);
}
}
}
public void ContentNegotiator_ForApiController_Throws_WhenServiceIsNull()
{
// Arrange
string message = CreateMessage();
ApiController controller = CreateController();
using (HttpConfiguration configuration = CreateConfiguration(CreateFormatter(), null))
using (HttpRequestMessage request = CreateRequest())
{
controller.Request = request;
controller.Configuration = configuration;
BadRequestErrorMessageResult result = CreateProductUnderTest(message, controller);
// Act & Assert
Assert.Throws <InvalidOperationException>(
() => { IContentNegotiator ignore = result.ContentNegotiator; },
"The provided configuration does not have an instance of the " +
"'System.Net.Http.Formatting.IContentNegotiator' service registered.");
}
}
public void ApiControllerBadRequest_WithString_CreatesCorrectResult()
{
// Arrange
string expectedMessage = CreateMessage();
ApiController controller = CreateController();
// Act
BadRequestErrorMessageResult result = controller.BadRequest(expectedMessage);
// Assert
Assert.NotNull(result);
Assert.Same(expectedMessage, result.Message);
using (HttpConfiguration configuration = CreateConfiguration(CreateFormatter(),
CreateDummyContentNegotiator()))
using (HttpRequestMessage expectedRequest = CreateRequest())
{
controller.Configuration = configuration;
controller.Request = expectedRequest;
Assert.Same(expectedRequest, result.Request);
}
}
public void ContentNegotiator_ForApiController_EvaluatesLazily()
{
// Arrange
string message = CreateMessage();
ApiController controller = CreateController();
using (
HttpConfiguration configuration = CreateConfiguration(
CreateFormatter(),
CreateDummyContentNegotiator()
)
)
{
controller.Configuration = configuration;
using (HttpRequestMessage request = CreateRequest())
{
controller.Request = request;
BadRequestErrorMessageResult result = CreateProductUnderTest(
message,
controller
);
IContentNegotiator expectedContentNegotiator = CreateDummyContentNegotiator();
configuration.Services.Replace(
typeof(IContentNegotiator),
expectedContentNegotiator
);
// Act
IContentNegotiator contentNegotiator = result.ContentNegotiator;
// Assert
Assert.Same(expectedContentNegotiator, contentNegotiator);
}
}
}
public void ContentNegotiator_ForApiController_Throws_WhenConfigurationIsNull()
{
// Arrange
string message = CreateMessage();
ApiController controller = CreateController();
HttpControllerContext context = new HttpControllerContext();
using (HttpRequestMessage request = CreateRequest())
{
controller.ControllerContext = context;
BadRequestErrorMessageResult result = CreateProductUnderTest(message, controller);
// Act & Assert
Assert.Throws <InvalidOperationException>(
() =>
{
IContentNegotiator ignore = result.ContentNegotiator;
},
"HttpControllerContext.Configuration must not be null."
);
}
}
public void Formatters_ReturnsInstanceProvided()
{
// Arrange
string message = CreateMessage();
IContentNegotiator contentNegotiator = CreateDummyContentNegotiator();
using (HttpRequestMessage request = CreateRequest())
{
IEnumerable <MediaTypeFormatter> expectedFormatters = CreateFormatters();
BadRequestErrorMessageResult result = CreateProductUnderTest(
message,
contentNegotiator,
request,
expectedFormatters
);
// Act
IEnumerable <MediaTypeFormatter> formatters = result.Formatters;
// Assert
Assert.Same(expectedFormatters, formatters);
}
}
