private static void ThrowForUnboundResponseHandler(HttpOperationHandler handler, HttpParameter parameter, string operationName)
{
Fx.Assert(handler != null, "The 'handler' parameter should not be null.");
Fx.Assert(parameter != null, "The 'parameter' parameter should not be null.");
Fx.Assert(operationName != null, "The 'operationName' parameter should not be null.");
string exceptionMessage = null;
if (parameter.ValueConverter.CanConvertFromString)
{
exceptionMessage = SR.ResponseHandlerWithNoPossibleBindingForStringConvertableType(
HttpOperationHandler.HttpOperationHandlerType.Name,
handler.ToString(),
operationName,
parameter.Name,
parameter.Type.Name,
handler.GetType().Name);
}
else
{
exceptionMessage = SR.ResponseHandlerWithNoPossibleBindingForNonStringConvertableType(
HttpOperationHandler.HttpOperationHandlerType.Name,
handler.ToString(),
operationName,
parameter.Name,
parameter.Type.Name,
handler.GetType().Name);
}
Fx.Assert(exceptionMessage != null, "The 'exceptionMessage' variable should have been set.");
throw Fx.Exception.AsError(new InvalidOperationException(exceptionMessage));
}
public void OutputParametersReturnsReflectedHttpParameters()
{
List <Type> types = new List <Type>();
TestDataAssert.Execute(
TestData.RepresentativeValueAndRefTypeTestDataCollection,
(type, obj) =>
{
if (!types.Contains(type))
{
types.Add(type);
for (int i = 2; i <= 17; i++)
{
if (types.Count - i < 0)
{
break;
}
Type[] typeArray = types.Skip(types.Count - i).ToArray();
HttpOperationHandler genericHandler = GetGenericHandlerForTypes(typeArray);
for (int j = 0; j < genericHandler.OutputParameters.Count; j++)
{
HttpParameter parameter = genericHandler.OutputParameters[j];
Assert.AreEqual("output", parameter.Name, "The HttpParameter.Name should have been 'input'.");
Assert.AreEqual(typeArray.Last(), parameter.Type, "The HttpParameter.Type should have been the last type from the array.");
}
}
}
});
}
private static void ThrowForUnboundParameter(HttpOperationHandler handler, HttpParameter parameter, HandlerType handlerType, string operationName)
{
Fx.Assert(handler != null, "The 'handler' parameter should not be null.");
Fx.Assert(parameter != null, "The 'parameter' parameter should not be null.");
Fx.Assert(operationName != null, "The 'operationName' parameter should not be null.");
if (handler == responseMessageSinkHandler)
{
throw Fx.Exception.AsError(
new InvalidOperationException(
SR.ResponseSinkHandlerWithNoHttpResponseMessageSource(
HttpOperationHandler.HttpOperationHandlerType.Name,
HttpTypeHelper.HttpResponseMessageType.Name,
operationName)));
}
switch (handlerType)
{
case HandlerType.Request:
ThrowForUnboundRequestHandler(handler, parameter, operationName);
break;
case HandlerType.ServiceOperation:
ThrowForUnboundServiceOperation(parameter, operationName);
break;
case HandlerType.Response:
ThrowForUnboundResponseHandler(handler, parameter, operationName);
break;
default:
Fx.Assert("The handlerType should have been one of the above cases.");
break;
}
}
public void Constructor()
{
HttpOperationHandler[] handlers = new HttpOperationHandler[0];
SHttpOperationDescription operation = new SHttpOperationDescription()
{
ReturnValue = HttpParameter.ResponseMessage
};
OperationHandlerPipelineInfo pipelineInfo = new OperationHandlerPipelineInfo(handlers, handlers, operation);
MOperationHandlerPipelineInfo molePipelineInfo = new MOperationHandlerPipelineInfo(pipelineInfo);
HttpRequestMessage requestAtCall = null;
object[] valuesAtCall = null;
molePipelineInfo.GetEmptyPipelineValuesArray = () => new object[0];
molePipelineInfo.SetHttpRequestMessageHttpRequestMessageObjectArray = (req, values) =>
{
requestAtCall = req;
valuesAtCall = values;
};
HttpRequestMessage request = new HttpRequestMessage();
OperationHandlerPipelineContext context = new OperationHandlerPipelineContext(pipelineInfo, request);
Assert.IsNotNull(requestAtCall, "HttpRequestMessage was not set in pipeline info.");
Assert.IsNotNull(valuesAtCall, "Values were not set in pipeline info.");
HttpAssert.AreEqual(request, requestAtCall);
}
public void GetHttpResponseMessageCallsPipelineInfo()
{
HttpRequestMessage request = new HttpRequestMessage();
HttpResponseMessage response = new HttpResponseMessage()
{
RequestMessage = request
};
HttpOperationHandler[] handlers = new HttpOperationHandler[0];
SHttpOperationDescription operation = new SHttpOperationDescription()
{
ReturnValue = HttpParameter.ResponseMessage
};
OperationHandlerPipelineInfo pipelineInfo = new OperationHandlerPipelineInfo(handlers, handlers, operation);
MOperationHandlerPipelineInfo molePipelineInfo = new MOperationHandlerPipelineInfo(pipelineInfo);
molePipelineInfo.GetEmptyPipelineValuesArray = () => new object[0];
molePipelineInfo.SetHttpRequestMessageHttpRequestMessageObjectArray = (req, values) => { };
molePipelineInfo.GetHttpResponseMessageObjectArray = (values) => response;
OperationHandlerPipelineContext context = new OperationHandlerPipelineContext(pipelineInfo, request);
HttpResponseMessage responseReturned = context.GetHttpResponseMessage();
Assert.IsNotNull(responseReturned, "HttpResponseMessage was not returned.");
HttpAssert.AreEqual(response, responseReturned);
}
internal OperationHandlerInfo(int offset, HttpOperationHandler handler)
{
Fx.Assert(handler != null, "The 'handler' parameter should not be null.");
this.PipelineValuesOffset = offset;
this.HandlerInputCount = handler.InputParameters.Count;
this.OutputParameterInfo = new OutputParameterInfo[handler.OutputParameters.Count];
}
public void Constructor()
{
HttpOperationHandler[] handlers = new HttpOperationHandler[0];
SHttpOperationDescription operation = new SHttpOperationDescription()
{
ReturnValue = HttpParameter.ResponseMessage
};
OperationHandlerPipeline pipeline = new OperationHandlerPipeline(handlers, handlers, operation);
}
public void ConstructorThrowsWithNullResponseHandlers()
{
HttpOperationHandler[] handlers = new HttpOperationHandler[0];
SHttpOperationDescription operation = new SHttpOperationDescription()
{
ReturnValue = HttpParameter.ResponseMessage
};
ExceptionAssert.ThrowsArgumentNull("responseHttpOperationHandlers", () => new OperationHandlerPipeline(handlers, null, operation));
}
public void ExecuteRequestPipeline()
{
HttpOperationHandler[] handlers = new HttpOperationHandler[0];
SHttpOperationDescription operation = new SHttpOperationDescription()
{
ReturnValue = HttpParameter.ResponseMessage
};
OperationHandlerPipeline pipeline = new OperationHandlerPipeline(handlers, handlers, operation);
HttpRequestMessage request = new HttpRequestMessage();
OperationHandlerPipelineContext context = pipeline.ExecuteRequestPipeline(request, new object[0]);
Assert.IsNotNull(context, "Execute returned null context.");
}
internal HttpResponseMessage ExecuteResponsePipeline(OperationHandlerPipelineContext pipelineContext, object[] parameters, object result)
{
Fx.Assert(pipelineContext != null, "The 'pipelineContext' parameter should not be null.");
Fx.Assert(parameters != null, "The 'parameters' parameter should not be null.");
object[] pipelineParameters = new object[parameters.Length + 1];
pipelineParameters[0] = result;
Array.Copy(parameters, 0, pipelineParameters, 1, parameters.Length);
pipelineContext.SetOutputValuesAndAdvance(pipelineParameters);
for (int handlerIndex = 0; handlerIndex < this.responseHandlersCount; handlerIndex++)
{
HttpOperationHandler handler = this.responseHandlers[handlerIndex];
object[] inputValues = pipelineContext.GetInputValues();
object[] outputValues = handler.Handle(inputValues);
pipelineContext.SetOutputValuesAndAdvance(outputValues);
}
return(pipelineContext.GetHttpResponseMessage());
}
public void InputParametersReturnsReflectedHttpParameters()
{
List <Type> types = new List <Type>();
TestDataAssert.Execute(
TestData.RepresentativeValueAndRefTypeTestDataCollection,
(type, obj) =>
{
if (!types.Contains(type))
{
types.Add(type);
for (int i = 2; i <= 17; i++)
{
if (types.Count - i < 0)
{
break;
}
Type[] typeArray = types.Skip(types.Count - i).ToArray();
HttpOperationHandler genericHandler = GetGenericHandlerForTypes(typeArray);
for (int j = 0; j < genericHandler.InputParameters.Count; j++)
{
HttpParameter parameter = genericHandler.InputParameters[j];
Assert.AreEqual(typeArray[j], parameter.Type, "The HttpParameter.Type should have been the same type as from the array.");
if (i == 2)
{
Assert.AreEqual("input", parameter.Name, "The HttpParameter.Name should have been 'input'.");
}
else
{
string expectedName = "input" + (j + 1).ToString();
Assert.AreEqual(expectedName, parameter.Name, string.Format("The HttpParameter.Name should have been '{0}'.", expectedName));
}
}
}
}
});
}
public void ExecuteResponsePipeline()
{
HttpOperationHandler[] handlers = new HttpOperationHandler[0];
SHttpOperationDescription operation = new SHttpOperationDescription()
{
ReturnValue = HttpParameter.ResponseMessage
};
OperationHandlerPipeline pipeline = new OperationHandlerPipeline(handlers, handlers, operation);
HttpRequestMessage request = new HttpRequestMessage();
HttpResponseMessage response = new HttpResponseMessage()
{
RequestMessage = request
};
OperationHandlerPipelineContext context = pipeline.ExecuteRequestPipeline(request, new object[0]);
//// TODO: what is the convention for returning an HttpResponse from the operation?
HttpResponseMessage actualResponse = pipeline.ExecuteResponsePipeline(context, new object[0], response);
Assert.IsNotNull(actualResponse, "Execute returned null response.");
}
internal OperationHandlerPipelineContext ExecuteRequestPipeline(HttpRequestMessage request, object[] parameters)
{
Fx.Assert(request != null, "The 'request' parameter should not be null.");
Fx.Assert(parameters != null, "The 'parameters' parameter should not be null.");
OperationHandlerPipelineContext pipelineContext = new OperationHandlerPipelineContext(this.pipelineContextInfo, request);
for (int handlerIndex = 0; handlerIndex < this.requestHandlersCount; handlerIndex++)
{
HttpOperationHandler handler = this.requestHandlers[handlerIndex];
object[] inputValues = pipelineContext.GetInputValues();
object[] outputValues = handler.Handle(inputValues);
pipelineContext.SetOutputValuesAndAdvance(outputValues);
}
object[] pipelineParameters = pipelineContext.GetInputValues();
Fx.Assert(pipelineParameters.Length == parameters.Length, "The two parameter object arrays should have the same length.");
Array.Copy(pipelineParameters, parameters, parameters.Length);
return(pipelineContext);
}
public void SetOutputValuesAndAdvanceCallsPipelineInfo()
{
HttpRequestMessage request = new HttpRequestMessage();
HttpResponseMessage response = new HttpResponseMessage()
{
RequestMessage = request
};
HttpOperationHandler[] handlers = new HttpOperationHandler[0];
SHttpOperationDescription operation = new SHttpOperationDescription()
{
ReturnValue = HttpParameter.ResponseMessage
};
OperationHandlerPipelineInfo pipelineInfo = new OperationHandlerPipelineInfo(handlers, handlers, operation);
int indexAtCall = -1;
object[] valuesAtCall = null;
object[] pipelineValuesAtCall = null;
MOperationHandlerPipelineInfo molePipelineInfo = new MOperationHandlerPipelineInfo(pipelineInfo);
molePipelineInfo.GetEmptyPipelineValuesArray = () => new object[0];
molePipelineInfo.SetHttpRequestMessageHttpRequestMessageObjectArray = (req, values) => { };
molePipelineInfo.SetOutputValuesFromHandlerInt32ObjectArrayObjectArray = (index, values, pipelineValues) =>
{
indexAtCall = index;
valuesAtCall = values;
pipelineValuesAtCall = pipelineValues;
};
OperationHandlerPipelineContext context = new OperationHandlerPipelineContext(pipelineInfo, request);
context.SetOutputValuesAndAdvance(new object[0]);
Assert.AreEqual(1, indexAtCall, "Handler index was not set.");
Assert.IsNotNull(valuesAtCall, "Values were not set.");
Assert.IsNotNull(pipelineValuesAtCall, "Pipeline values were not set.");
}
private static OperationHandlerInfo[] GenerateHandlerInfo(List <HttpOperationHandler> handlers, List <HttpParameterBinding> bindings, string operationName, out int pipelineValuesArraySize)
{
Fx.Assert(handlers != null, "The 'handlers' parameter should not be null.");
Fx.Assert(bindings != null, "The 'bindings' parameter should not be null.");
Fx.Assert(operationName != null, "The 'bindings' parameter should not be null.");
pipelineValuesArraySize = 0;
OperationHandlerInfo[] handlerInfo = new OperationHandlerInfo[handlers.Count];
// First, construct the OperationHandlerInfo[] to determine each handlers's offset
// in the pipelineValuesArray.
for (int handlerIndex = 0; handlerIndex < handlers.Count; handlerIndex++)
{
HttpOperationHandler handler = handlers[handlerIndex];
OperationHandlerInfo info = new OperationHandlerInfo(pipelineValuesArraySize, handler);
handlerInfo[handlerIndex] = info;
pipelineValuesArraySize += info.HandlerInputCount;
handlers[handlerIndex].OperationName = operationName;
}
// Second, map the HttpParameterBindings into the OutputParameterInfo array indices.
for (int handlerIndex = 0; handlerIndex < handlers.Count; handlerIndex++)
{
HttpOperationHandler handler = handlers[handlerIndex];
for (int paramIndex = 0; paramIndex < handler.OutputParameters.Count; paramIndex++)
{
OperationHandlerInfo info = handlerInfo[handlerIndex];
info.OutputParameterInfo[paramIndex] = new OutputParameterInfo(
bindings.Where(binding => binding.OutputHandlerIndex == handlerIndex &&
binding.OutputParameterIndex == paramIndex)
.Select(binding => handlerInfo[binding.InputHandlerIndex].PipelineValuesOffset +
binding.InputParameterIndex));
}
}
return(handlerInfo);
}
public void GetInputValuesCallsPipelineInfo()
{
HttpOperationHandler[] handlers = new HttpOperationHandler[0];
SHttpOperationDescription operation = new SHttpOperationDescription()
{
ReturnValue = HttpParameter.ResponseMessage
};
OperationHandlerPipelineInfo pipelineInfo = new OperationHandlerPipelineInfo(handlers, handlers, operation);
MOperationHandlerPipelineInfo molePipelineInfo = new MOperationHandlerPipelineInfo(pipelineInfo);
molePipelineInfo.GetEmptyPipelineValuesArray = () => new object[0];
molePipelineInfo.SetHttpRequestMessageHttpRequestMessageObjectArray = (req, values) => { };
bool calledForValues = false;
int handlerIndexAtCall = -1;
object[] valuesAtCall = null;
molePipelineInfo.GetInputValuesForHandlerInt32ObjectArray = (index, values) =>
{
calledForValues = true;
handlerIndexAtCall = index;
valuesAtCall = values;
return(new object[0]);
};
HttpRequestMessage request = new HttpRequestMessage();
OperationHandlerPipelineContext context = new OperationHandlerPipelineContext(pipelineInfo, request);
object[] returnedValues = context.GetInputValues();
Assert.IsTrue(calledForValues, "PipelineInfo was not called for its values.");
Assert.AreEqual(1, handlerIndexAtCall, "Handler index should have been 0.");
Assert.IsNotNull(valuesAtCall, "Values at call should have not been null.");
Assert.IsNotNull(returnedValues, "Returned values were null.");
Assert.AreEqual(0, returnedValues.Length, "Returned values were incorrect length.");
}
public void ConstructorThrowsWithNullOperation()
{
HttpOperationHandler[] handlers = new HttpOperationHandler[0];
ExceptionAssert.ThrowsArgumentNull("operation", () => new OperationHandlerPipeline(handlers, handlers, null));
}
private static List <HttpParameterBinding> BindHandlers(List <HttpOperationHandler> handlers, string operationName, int serviceOperationIndex)
{
Fx.Assert(handlers != null, "The 'handlers' parameter should not be null.");
Fx.Assert(operationName != null, "The 'operationName' parameter should not be null.");
List <HttpParameterBinding> pipelineBindings = new List <HttpParameterBinding>();
for (int inHandlerIndex = handlers.Count - 1; inHandlerIndex >= 1; inHandlerIndex--)
{
HttpOperationHandler inHandler = handlers[inHandlerIndex];
HandlerType inHandlerType = GetHandlerType(inHandlerIndex, serviceOperationIndex);
for (int inParamIndex = 0; inParamIndex < inHandler.InputParameters.Count; inParamIndex++)
{
HttpParameter inParam = inHandler.InputParameters[inParamIndex];
List <HttpParameterBinding> bindings = new List <HttpParameterBinding>();
List <HttpParameterBinding> tentativeBindings = new List <HttpParameterBinding>();
for (int outHandlerIndex = inHandlerIndex - 1; outHandlerIndex >= 0; outHandlerIndex--)
{
HttpOperationHandler outHandler = handlers[outHandlerIndex];
HandlerType outHandlerType = GetHandlerType(outHandlerIndex, serviceOperationIndex);
for (int outParamIndex = 0; outParamIndex < outHandler.OutputParameters.Count; outParamIndex++)
{
HttpParameter outParam = outHandler.OutputParameters[outParamIndex];
if (inParam.IsAssignableFromParameter(outParam.Type))
{
HttpParameterBinding binding = new HttpParameterBinding();
binding.InputHandler = inHandler;
binding.InputHandlerIndex = inHandlerIndex;
binding.InputParameter = inParam;
binding.InputParameterIndex = inParamIndex;
binding.InputHandlerType = inHandlerType;
binding.OutputHandler = outHandler;
binding.OutputHandlerIndex = outHandlerIndex;
binding.OutputParameter = outParam;
binding.OutputParameterIndex = outParamIndex;
binding.OutputHandlerType = outHandlerType;
// If their names match or the input is either HttpRequesMessage,
// HttpResponseMessage, or HttpContent, then go ahead and bind
if (string.Equals(outParam.Name, inParam.Name, StringComparison.OrdinalIgnoreCase) ||
HttpTypeHelper.IsHttp(inParam.Type))
{
bindings.Add(binding);
}
else
{
// Otherwise we will tentatively bind if this is
// not a string conversion assignment
if (outParam.Type != TypeHelper.StringType ||
!inParam.ValueConverter.CanConvertFromString)
{
tentativeBindings.Add(binding);
}
}
}
}
}
if (bindings.Count > 0)
{
pipelineBindings.AddRange(bindings);
}
else if (tentativeBindings.Count == 1)
{
pipelineBindings.AddRange(tentativeBindings);
}
else if (tentativeBindings.Count > 1)
{
ThrowForMulitpleTypeOnlyBindings(tentativeBindings, operationName);
}
else
{
ThrowForUnboundParameter(inHandler, inParam, inHandlerType, operationName);
}
}
}
return(pipelineBindings);
}
private static void ThrowForMulitpleTypeOnlyBindings(List <HttpParameterBinding> tentativeBindings, string operationName)
{
Fx.Assert(tentativeBindings != null, "The 'tentativeBindings' parameter should not be null.");
Fx.Assert(tentativeBindings.Count > 0, "The 'tentativeBindings' list should not be empty.");
Fx.Assert(operationName != null, "The 'operationName' parameter should not be null.");
string exceptionMessage = null;
HandlerType inHandlerType = tentativeBindings[0].InputHandlerType;
HttpOperationHandler inHandler = tentativeBindings[0].InputHandler;
HttpParameter inParameter = tentativeBindings[0].InputParameter;
switch (inHandlerType)
{
case HandlerType.Request:
exceptionMessage = SR.RequestHandlerWithMultipleTypeOnlyBindings(
HttpOperationHandler.HttpOperationHandlerType.Name,
inHandler.ToString(),
operationName,
inParameter.Name,
inParameter.Type.Name);
break;
case HandlerType.ServiceOperation:
exceptionMessage = SR.ServiceOperationWithMultipleTypeOnlyBindings(
operationName,
inParameter.Name,
inParameter.Type.Name,
HttpOperationHandler.HttpOperationHandlerType.Name);
break;
case HandlerType.Response:
exceptionMessage = SR.ResponseHandlerWithMultipleTypeOnlyBindings(
HttpOperationHandler.HttpOperationHandlerType.Name,
inHandler.ToString(),
operationName,
inParameter.Name,
inParameter.Type.Name);
break;
default:
Fx.Assert("The handlerType should have been one of the above cases.");
break;
}
StringBuilder stringBuilder = new StringBuilder(exceptionMessage);
foreach (HttpParameterBinding binding in tentativeBindings)
{
string parameterMessage = null;
HandlerType outHandlerType = binding.OutputHandlerType;
HttpOperationHandler outHandler = binding.OutputHandler;
HttpParameter outParameter = binding.OutputParameter;
switch (outHandlerType)
{
case HandlerType.Request:
parameterMessage = SR.RequestHandlerTypeOnlyOutputParameter(
HttpOperationHandler.HttpOperationHandlerType.Name,
outHandler.ToString(),
outParameter.Name,
outParameter.Type.Name);
break;
case HandlerType.ServiceOperation:
parameterMessage = SR.ServiceOperationTypeOnlyOutputParameter(
outParameter.Name,
outParameter.Type.Name);
break;
case HandlerType.Response:
parameterMessage = SR.ResponseHandlerTypeOnlyOutputParameter(
HttpOperationHandler.HttpOperationHandlerType.Name,
outHandler.ToString(),
outParameter.Name,
outParameter.Type.Name);
break;
default:
Fx.Assert("The handlerType should have been one of the above cases.");
break;
}
stringBuilder.Append(Environment.NewLine);
stringBuilder.Append(parameterMessage);
}
throw Fx.Exception.AsError(new InvalidOperationException(stringBuilder.ToString()));
}
