public void ProcessDto_BindRequiredFieldMissing_Throws()
{
// Arrange
ModelWithBindRequired model = new ModelWithBindRequired
{
Name = "original value",
Age = -20
};
ModelMetadata containerMetadata = GetMetadataForObject(model);
ControllerContext controllerContext = new ControllerContext();
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = containerMetadata,
ModelName = "theModel"
};
ComplexModelDto dto = new ComplexModelDto(containerMetadata, containerMetadata.Properties);
ModelMetadata nameProperty = dto.PropertyMetadata.Single(o => o.PropertyName == "Name");
dto.Results[nameProperty] = new ComplexModelDtoResult("John Doe", new ModelValidationNode(nameProperty, ""));
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act & assert
Assert.Throws <InvalidOperationException>(
delegate { testableBinder.ProcessDto(controllerContext, bindingContext, dto); },
@"A value for 'theModel.Age' is required but was not present in the request.");
Assert.Equal("original value", model.Name);
Assert.Equal(-20, model.Age);
}
public void ProcessDto_Success()
{
// Arrange
DateTime dob = new DateTime(2001, 1, 1);
Person model = new Person {
DateOfBirth = dob
};
ModelMetadata containerMetadata = GetMetadataForObject(model);
ControllerContext controllerContext = new ControllerContext();
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = containerMetadata
};
ComplexModelDto dto = new ComplexModelDto(
containerMetadata,
containerMetadata.Properties
);
ModelMetadata firstNameProperty = dto.PropertyMetadata.Single(
o => o.PropertyName == "FirstName"
);
dto.Results[firstNameProperty] = new ComplexModelDtoResult(
"John",
new ModelValidationNode(firstNameProperty, "")
);
ModelMetadata lastNameProperty = dto.PropertyMetadata.Single(
o => o.PropertyName == "LastName"
);
dto.Results[lastNameProperty] = new ComplexModelDtoResult(
"Doe",
new ModelValidationNode(lastNameProperty, "")
);
ModelMetadata dobProperty = dto.PropertyMetadata.Single(
o => o.PropertyName == "DateOfBirth"
);
dto.Results[dobProperty] = null;
TestableMutableObjectModelBinder testableBinder =
new TestableMutableObjectModelBinder();
// Act
testableBinder.ProcessDto(controllerContext, bindingContext, dto);
// Assert
Assert.Equal("John", model.FirstName);
Assert.Equal("Doe", model.LastName);
Assert.Equal(dob, model.DateOfBirth);
Assert.True(bindingContext.ModelState.IsValid);
}
public void ConstructorSetsProperties() {
// Arrange
ModelMetadata modelMetadata = GetModelMetadata();
ModelMetadata[] propertyMetadata = new ModelMetadata[0];
// Act
ComplexModelDto dto = new ComplexModelDto(modelMetadata, propertyMetadata);
// Assert
Assert.AreEqual(modelMetadata, dto.ModelMetadata);
CollectionAssert.AreEqual(propertyMetadata, dto.PropertyMetadata);
Assert.AreEqual(0, dto.Results.Count, "Results dictionary should have been empty.");
}
public void ConstructorSetsProperties()
{
// Arrange
ModelMetadata modelMetadata = GetModelMetadata();
ModelMetadata[] propertyMetadata = new ModelMetadata[0];
// Act
ComplexModelDto dto = new ComplexModelDto(modelMetadata, propertyMetadata);
// Assert
Assert.Equal(modelMetadata, dto.ModelMetadata);
Assert.Equal(propertyMetadata, dto.PropertyMetadata.ToArray());
Assert.Empty(dto.Results);
}
public void ConstructorSetsProperties()
{
// Arrange
ModelMetadata modelMetadata = GetModelMetadata();
ModelMetadata[] propertyMetadata = new ModelMetadata[0];
// Act
ComplexModelDto dto = new ComplexModelDto(modelMetadata, propertyMetadata);
// Assert
Assert.AreEqual(modelMetadata, dto.ModelMetadata);
CollectionAssert.AreEqual(propertyMetadata, dto.PropertyMetadata);
Assert.AreEqual(0, dto.Results.Count, "Results dictionary should have been empty.");
}
public void ConstructorSetsProperties()
{
// Arrange
ModelMetadata modelMetadata = GetModelMetadata();
ModelMetadata[] propertyMetadata = new ModelMetadata[0];
// Act
ComplexModelDto dto = new ComplexModelDto(modelMetadata, propertyMetadata);
// Assert
Assert.Equal(modelMetadata, dto.ModelMetadata);
Assert.Equal(propertyMetadata, dto.PropertyMetadata.ToArray());
Assert.Empty(dto.Results);
}
public bool BindModel(HttpActionContext actionContext, ModelBindingContext bindingContext)
{
ComplexModelDto dto = bindingContext.Model as ComplexModelDto;
if (dto == null)
{
return(false);
}
foreach (ModelMetadata property in dto.PropertyMetadata)
{
ModelBindingContext subContext = new ModelBindingContext(bindingContext)
{
ModelMetadata = property,
ModelName = ModelNameBuiler.CreatePropertyModelName(bindingContext.ModelName, property.PropertyName)
};
if (actionContext.Bind(subContext))
{
dto.Results[property] = new ComplexModelDtoResult(subContext.Model, subContext.ValidationNode);
}
}
return(true);
}
public bool BindModel(HttpActionContext actionContext, ModelBindingContext bindingContext)
{
if (!CanBindType(bindingContext.ModelType))
{
return(false);
}
if (!bindingContext.ValueProvider.ContainsPrefix(bindingContext.ModelName))
{
return(false);
}
bindingContext.Model = Activator.CreateInstance(bindingContext.ModelType);
ComplexModelDto dto = new ComplexModelDto(bindingContext.ModelMetadata, bindingContext.PropertyMetadata.Values);
ModelBindingContext subContext = new ModelBindingContext(bindingContext)
{
ModelMetadata = actionContext.GetMetadataProvider().GetMetadataForType(() => dto, typeof(ComplexModelDto)),
ModelName = bindingContext.ModelName,
};
actionContext.Bind(subContext);
foreach (KeyValuePair <ModelMetadata, ComplexModelDtoResult> item in dto.Results)
{
ModelMetadata propertyMetadata = item.Key;
ComplexModelDtoResult dtoResult = item.Value;
if (dtoResult != null)
{
PropertyInfo propertyInfo = bindingContext.ModelType.GetProperty(propertyMetadata.PropertyName);
if (propertyInfo.CanWrite)
{
propertyInfo.SetValue(bindingContext.Model, dtoResult.Model);
}
}
}
return(true);
}
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 ProcessDto_Success()
{
// Arrange
DateTime dob = new DateTime(2001, 1, 1);
Person model = new Person
{
DateOfBirth = dob
};
ModelMetadata containerMetadata = GetMetadataForObject(model);
ControllerContext controllerContext = new ControllerContext();
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = containerMetadata
};
ComplexModelDto dto = new ComplexModelDto(containerMetadata, containerMetadata.Properties);
ModelMetadata firstNameProperty = dto.PropertyMetadata.Single(o => o.PropertyName == "FirstName");
dto.Results[firstNameProperty] = new ComplexModelDtoResult("John", new ModelValidationNode(firstNameProperty, ""));
ModelMetadata lastNameProperty = dto.PropertyMetadata.Single(o => o.PropertyName == "LastName");
dto.Results[lastNameProperty] = new ComplexModelDtoResult("Doe", new ModelValidationNode(lastNameProperty, ""));
ModelMetadata dobProperty = dto.PropertyMetadata.Single(o => o.PropertyName == "DateOfBirth");
dto.Results[dobProperty] = null;
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.ProcessDto(controllerContext, bindingContext, dto);
// Assert
Assert.Equal("John", model.FirstName);
Assert.Equal("Doe", model.LastName);
Assert.Equal(dob, model.DateOfBirth);
Assert.True(bindingContext.ModelState.IsValid);
}
public void ProcessDto_BindRequiredFieldMissing_Throws()
{
// Arrange
ModelWithBindRequired model = new ModelWithBindRequired
{
Name = "original value",
Age = -20
};
ModelMetadata containerMetadata = GetMetadataForObject(model);
ControllerContext controllerContext = new ControllerContext();
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = containerMetadata,
ModelName = "theModel"
};
ComplexModelDto dto = new ComplexModelDto(containerMetadata, containerMetadata.Properties);
ModelMetadata nameProperty = dto.PropertyMetadata.Single(o => o.PropertyName == "Name");
dto.Results[nameProperty] = new ComplexModelDtoResult("John Doe", new ModelValidationNode(nameProperty, ""));
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act & assert
Assert.Throws<InvalidOperationException>(
delegate { testableBinder.ProcessDto(controllerContext, bindingContext, dto); },
@"A value for 'theModel.Age' is required but was not present in the request.");
Assert.Equal("original value", model.Name);
Assert.Equal(-20, model.Age);
}
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);
}
public bool BindModel(HttpActionContext actionContext, ModelBindingContext bindingContext)
{
if (!CanBindType(bindingContext.ModelType))
{
return(false);
}
if (!bindingContext.ValueProvider.ContainsPrefix(bindingContext.ModelName))
{
return(false);
}
//创建针对目标类型的空对象
var ins = DynamicModelBuilder.GetInstance <IContact>(parent: bindingContext.ModelType, propAttrProvider: () =>
{
return(new List <PropertyCustomAttributeUnit>
{
new PropertyCustomAttributeUnit
{
prop_name = "phone",
attrs = new List <PropertyCustomAttribute>
{
new PropertyCustomAttribute
{
attr_type = "System.ComponentModel.DataAnnotations.RequiredAttribute,System.ComponentModel.DataAnnotations, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35",
ctor_arg_types = "",
ctor_arg_values = new object[0],
error_msg = "姓名不能为空",
error_msg_res_name = "",
error_msg_res_type = ""
}
}
}
});
});
//bindingContext.Model = Activator.CreateInstance(bindingContext.ModelType);
bindingContext.Model = ins;
//创建针对目标类型的ComplexModelDto
//创建ModelBindingContext，并将ComplexModelDto作为Model，驱动新一轮的Model绑定
ComplexModelDto dto = new ComplexModelDto(bindingContext.ModelMetadata, bindingContext.PropertyMetadata.Values);
ModelBindingContext subContext = new ModelBindingContext(bindingContext)
{
ModelMetadata = actionContext.GetMetadataProvider().GetMetadataForType(() => dto, typeof(ComplexModelDto)),
ModelName = bindingContext.ModelName
};
actionContext.Bind(subContext);
//从ComplexModelDto获取相应的值并为相应的属性赋值
foreach (KeyValuePair <ModelMetadata, ComplexModelDtoResult> item in dto.Results)
{
ModelMetadata propertyMetadata = item.Key;
ComplexModelDtoResult dtoResult = item.Value;
if (dtoResult != null)
{
PropertyInfo propertyInfo = bindingContext.ModelType.GetProperty(propertyMetadata.PropertyName);
if (propertyInfo.CanWrite)
{
propertyInfo.SetValue(bindingContext.Model, dtoResult.Model);
}
}
}
return(true);
}
