public async Task Posting_NonDerivedType_To_Action_Expecting_BaseType_Throws()
{
// Arrange
StringContent content = new StringContent("{ '@odata.type' : '#Microsoft.AspNet.OData.Test.Builder.TestModels.Motorcycle' }");
var headers = FormatterTestHelper.GetContentHeaders("application/json");
IODataRequestMessage oDataRequest = ODataMessageWrapperHelper.Create(await content.ReadAsStreamAsync(), headers);
ODataMessageReader reader = new ODataMessageReader(oDataRequest, new ODataMessageReaderSettings(), _model);
ODataDeserializerProvider deserializerProvider = ODataDeserializerProviderFactory.Create();
ODataDeserializerContext context = new ODataDeserializerContext {
Model = _model
};
IEdmActionImport action = _model.EntityContainer
.OperationImports()
.Single(f => f.Name == "PostMotorcycle_When_Expecting_Car") as IEdmActionImport;
Assert.NotNull(action);
IEdmEntitySetBase actionEntitySet;
action.TryGetStaticEntitySet(_model, out actionEntitySet);
context.Path = new ODataPath(new OperationImportSegment(new[] { action }, actionEntitySet, null));
// Act & Assert
ExceptionAssert.Throws <ODataException>(
() => new ODataResourceDeserializer(deserializerProvider).Read(reader, typeof(Car), context),
"A resource with type 'Microsoft.AspNet.OData.Test.Builder.TestModels.Motorcycle' was found, " +
"but it is not assignable to the expected type 'Microsoft.AspNet.OData.Test.Builder.TestModels.Car'. " +
"The type specified in the resource must be equal to either the expected type or a derived type.");
}
public void Posting_NonDerivedType_To_Action_Expecting_BaseType_Throws()
{
// Arrange
StringContent content = new StringContent("{ '@odata.type' : '#System.Web.OData.Builder.TestModels.Motorcycle' }");
content.Headers.ContentType = MediaTypeHeaderValue.Parse("application/json");
IODataRequestMessage oDataRequest = new ODataMessageWrapper(content.ReadAsStreamAsync().Result, content.Headers);
ODataMessageReader reader = new ODataMessageReader(oDataRequest, new ODataMessageReaderSettings(), _model);
ODataDeserializerProvider deserializerProvider = DependencyInjectionHelper.GetDefaultODataDeserializerProvider();
ODataDeserializerContext context = new ODataDeserializerContext {
Model = _model
};
IEdmActionImport action = _model.EntityContainer
.OperationImports()
.Single(f => f.Name == "PostMotorcycle_When_Expecting_Car") as IEdmActionImport;
Assert.NotNull(action);
IEdmEntitySetBase actionEntitySet;
action.TryGetStaticEntitySet(_model, out actionEntitySet);
context.Path = new ODataPath(new OperationImportSegment(new[] { action }, actionEntitySet, null));
// Act & Assert
Assert.Throws <ODataException>(
() => new ODataResourceDeserializer(deserializerProvider).Read(reader, typeof(Car), context),
"An resource with type 'System.Web.OData.Builder.TestModels.Motorcycle' was found, " +
"but it is not assignable to the expected type 'System.Web.OData.Builder.TestModels.Car'. " +
"The type specified in the resource must be equal to either the expected type or a derived type.");
}
/// <inheritdoc />
public virtual bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
ActionModel action = context.Action;
IEdmModel model = context.Model;
// By convention, we use the operation import name as the action name in the controller
string actionMethodName = action.ActionName;
var edmOperationImports = model.ResolveOperationImports(actionMethodName, enableCaseInsensitive: true);
if (!edmOperationImports.Any())
{
return(true);
}
(var actionImports, var functionImports) = edmOperationImports.SplitOperationImports();
// It's not allowed to have an action import and function import with the same name.
if (actionImports.Count > 0 && functionImports.Count > 0)
{
throw new ODataException(Error.Format(SRResources.OperationMustBeUniqueInEntitySetContainer, actionMethodName));
}
else if (actionImports.Count > 0 && context.Action.Attributes.Any(a => a is HttpPostAttribute))
{
if (actionImports.Count != 1)
{
throw new ODataException(Error.Format(SRResources.MultipleActionImportFound, actionMethodName));
}
IEdmActionImport actionImport = actionImports[0];
IEdmEntitySetBase targetEntitySet;
actionImport.TryGetStaticEntitySet(model, out targetEntitySet);
// TODO:
// 1. shall we check the [HttpPost] attribute, or does the ASP.NET Core have the default?
// 2) shall we check the action has "ODataActionParameters" parameter type?
ODataPathTemplate template = new ODataPathTemplate(new ActionImportSegmentTemplate(actionImport, targetEntitySet));
action.AddSelector("Post", context.Prefix, context.Model, template, context.Options?.RouteOptions);
return(true);
}
else if (functionImports.Count > 0 && context.Action.Attributes.Any(a => a is HttpGetAttribute))
{
IEdmFunctionImport functionImport = FindFunctionImport(functionImports, action);
if (functionImport == null)
{
return(false);
}
IEdmEntitySetBase targetSet;
functionImport.TryGetStaticEntitySet(model, out targetSet);
// TODO:
// 1) shall we check the [HttpGet] attribute, or does the ASP.NET Core have the default?
ODataPathTemplate template = new ODataPathTemplate(new FunctionImportSegmentTemplate(functionImport, targetSet));
action.AddSelector("Get", context.Prefix, context.Model, template, context.Options?.RouteOptions);
return(true);
}
else
{
// doesn't find an operation, return true means to skip the remaining conventions.
return(false);
}
}