public void BindModel() {
// Arrange
ControllerContext controllerContext = new ControllerContext();
MyModel model = new MyModel();
ModelMetadata modelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(() => model, typeof(MyModel));
ComplexModelDto dto = new ComplexModelDto(modelMetadata, modelMetadata.Properties);
Mock<IExtensibleModelBinder> mockStringBinder = new Mock<IExtensibleModelBinder>();
mockStringBinder
.Expect(b => b.BindModel(controllerContext, It.IsAny<ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc) {
Assert.AreEqual(typeof(string), mbc.ModelType);
Assert.AreEqual("theModel.StringProperty", mbc.ModelName);
mbc.ValidationNode = new ModelValidationNode(mbc.ModelMetadata, "theModel.StringProperty");
mbc.Model = "someStringValue";
return true;
});
Mock<IExtensibleModelBinder> mockIntBinder = new Mock<IExtensibleModelBinder>();
mockIntBinder
.Expect(b => b.BindModel(controllerContext, It.IsAny<ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc) {
Assert.AreEqual(typeof(int), mbc.ModelType);
Assert.AreEqual("theModel.IntProperty", mbc.ModelName);
mbc.ValidationNode = new ModelValidationNode(mbc.ModelMetadata, "theModel.IntProperty");
mbc.Model = 42;
return true;
});
Mock<IExtensibleModelBinder> mockDateTimeBinder = new Mock<IExtensibleModelBinder>();
mockDateTimeBinder
.Expect(b => b.BindModel(controllerContext, It.IsAny<ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc) {
Assert.AreEqual(typeof(DateTime), mbc.ModelType);
Assert.AreEqual("theModel.DateTimeProperty", mbc.ModelName);
return false;
});
ModelBinderProviderCollection binders = new ModelBinderProviderCollection();
binders.RegisterBinderForType(typeof(string), mockStringBinder.Object, true /* suppressPrefixCheck */);
binders.RegisterBinderForType(typeof(int), mockIntBinder.Object, true /* suppressPrefixCheck */);
binders.RegisterBinderForType(typeof(DateTime), mockDateTimeBinder.Object, true /* suppressPrefixCheck */);
ExtensibleModelBindingContext parentBindingContext = new ExtensibleModelBindingContext() {
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(() => dto, typeof(ComplexModelDto)),
ModelName = "theModel",
ModelBinderProviders = binders
};
ComplexModelDtoModelBinder binder = new ComplexModelDtoModelBinder();
// Act
bool retVal = binder.BindModel(controllerContext, parentBindingContext);
// Assert
Assert.IsTrue(retVal);
Assert.AreEqual(dto, parentBindingContext.Model, "The return model should have been the original DTO.");
ComplexModelDtoResult stringDtoResult = dto.Results[dto.PropertyMetadata.Where(m => m.ModelType == typeof(string)).First()];
Assert.AreEqual("someStringValue", stringDtoResult.Model);
Assert.AreEqual("theModel.StringProperty", stringDtoResult.ValidationNode.ModelStateKey);
ComplexModelDtoResult intDtoResult = dto.Results[dto.PropertyMetadata.Where(m => m.ModelType == typeof(int)).First()];
Assert.AreEqual(42, intDtoResult.Model);
Assert.AreEqual("theModel.IntProperty", intDtoResult.ValidationNode.ModelStateKey);
ComplexModelDtoResult dateTimeDtoResult = dto.Results[dto.PropertyMetadata.Where(m => m.ModelType == typeof(DateTime)).First()];
Assert.IsNull(dateTimeDtoResult);
}
public void BindModel()
{
// Arrange
ControllerContext controllerContext = new ControllerContext();
MyModel model = new MyModel();
ModelMetadata modelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(() => model, typeof(MyModel));
ComplexModelDto dto = new ComplexModelDto(modelMetadata, modelMetadata.Properties);
Mock <IExtensibleModelBinder> mockStringBinder = new Mock <IExtensibleModelBinder>();
mockStringBinder
.Setup(b => b.BindModel(controllerContext, It.IsAny <ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc) {
Assert.AreEqual(typeof(string), mbc.ModelType);
Assert.AreEqual("theModel.StringProperty", mbc.ModelName);
mbc.ValidationNode = new ModelValidationNode(mbc.ModelMetadata, "theModel.StringProperty");
mbc.Model = "someStringValue";
return(true);
});
Mock <IExtensibleModelBinder> mockIntBinder = new Mock <IExtensibleModelBinder>();
mockIntBinder
.Setup(b => b.BindModel(controllerContext, It.IsAny <ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc) {
Assert.AreEqual(typeof(int), mbc.ModelType);
Assert.AreEqual("theModel.IntProperty", mbc.ModelName);
mbc.ValidationNode = new ModelValidationNode(mbc.ModelMetadata, "theModel.IntProperty");
mbc.Model = 42;
return(true);
});
Mock <IExtensibleModelBinder> mockDateTimeBinder = new Mock <IExtensibleModelBinder>();
mockDateTimeBinder
.Setup(b => b.BindModel(controllerContext, It.IsAny <ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc) {
Assert.AreEqual(typeof(DateTime), mbc.ModelType);
Assert.AreEqual("theModel.DateTimeProperty", mbc.ModelName);
return(false);
});
ModelBinderProviderCollection binders = new ModelBinderProviderCollection();
binders.RegisterBinderForType(typeof(string), mockStringBinder.Object, true /* suppressPrefixCheck */);
binders.RegisterBinderForType(typeof(int), mockIntBinder.Object, true /* suppressPrefixCheck */);
binders.RegisterBinderForType(typeof(DateTime), mockDateTimeBinder.Object, true /* suppressPrefixCheck */);
ExtensibleModelBindingContext parentBindingContext = new ExtensibleModelBindingContext()
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(() => dto, typeof(ComplexModelDto)),
ModelName = "theModel",
ModelBinderProviders = binders
};
ComplexModelDtoModelBinder binder = new ComplexModelDtoModelBinder();
// Act
bool retVal = binder.BindModel(controllerContext, parentBindingContext);
// Assert
Assert.IsTrue(retVal);
Assert.AreEqual(dto, parentBindingContext.Model, "The return model should have been the original DTO.");
ComplexModelDtoResult stringDtoResult = dto.Results[dto.PropertyMetadata.Where(m => m.ModelType == typeof(string)).First()];
Assert.AreEqual("someStringValue", stringDtoResult.Model);
Assert.AreEqual("theModel.StringProperty", stringDtoResult.ValidationNode.ModelStateKey);
ComplexModelDtoResult intDtoResult = dto.Results[dto.PropertyMetadata.Where(m => m.ModelType == typeof(int)).First()];
Assert.AreEqual(42, intDtoResult.Model);
Assert.AreEqual("theModel.IntProperty", intDtoResult.ValidationNode.ModelStateKey);
ComplexModelDtoResult dateTimeDtoResult = dto.Results[dto.PropertyMetadata.Where(m => m.ModelType == typeof(DateTime)).First()];
Assert.IsNull(dateTimeDtoResult);
}
