public void SetProperty_PropertyIsSettable_SetterThrows_RecordsError()
{
// Arrange
Person model = new Person
{
DateOfBirth = new DateTime(1900, 1, 1)
};
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = GetMetadataForObject(model)
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "DateOfDeath");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(new DateTime(1800, 1, 1), validationNode);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(null, bindingContext, propertyMetadata, dtoResult, requiredValidator: null);
// Assert
Assert.Equal("Date of death can't be before date of birth." + Environment.NewLine
+ "Parameter name: value",
bindingContext.ModelState["foo"].Errors[0].Exception.Message);
}
public void ProcessDto_RequiredFieldNull_RaisesModelErrorWithMessage()
{
// Arrange
Person model = new Person();
ModelMetadata containerMetadata = GetMetadataForObject(model);
HttpActionContext context = ContextUtil.CreateActionContext();
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = containerMetadata,
ModelName = "theModel"
};
ComplexModelDto dto = new ComplexModelDto(containerMetadata, containerMetadata.Properties);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Make ValueTypeRequired invalid.
ModelMetadata propertyMetadata = dto.PropertyMetadata.Single(p => p.PropertyName == "ValueTypeRequired");
dto.Results[propertyMetadata] =
new ComplexModelDtoResult(null, new ModelValidationNode(propertyMetadata, "theModel.ValueTypeRequired"));
// Act
testableBinder.ProcessDto(context, bindingContext, dto);
// Assert
ModelStateDictionary modelStateDictionary = bindingContext.ModelState;
Assert.False(modelStateDictionary.IsValid);
Assert.Equal(1, modelStateDictionary.Count);
// Check ValueTypeRequired error.
ModelState modelState;
Assert.True(modelStateDictionary.TryGetValue("theModel.ValueTypeRequired", out modelState));
Assert.Equal(1, modelState.Errors.Count);
ModelError modelError = modelState.Errors[0];
Assert.Null(modelError.Exception);
Assert.NotNull(modelError.ErrorMessage);
Assert.Equal("Sample message", modelError.ErrorMessage);
}
public void SetProperty_PropertyIsSettable_CallsSetter()
{
// Arrange
Person model = new Person();
HttpActionContext context = ContextUtil.CreateActionContext();
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = GetMetadataForObject(model)
};
ModelMetadata propertyMetadata = bindingContext.ModelMetadata.Properties.Single(o => o.PropertyName == "DateOfBirth");
ModelValidationNode validationNode = new ModelValidationNode(propertyMetadata, "foo");
ComplexModelDtoResult dtoResult = new ComplexModelDtoResult(new DateTime(2001, 1, 1), validationNode);
ModelValidator requiredValidator = context.GetValidators(propertyMetadata).Where(v => v.IsRequired).FirstOrDefault();
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetPropertyPublic(context, bindingContext, propertyMetadata, dtoResult, requiredValidator);
// Assert
validationNode.Validate(context);
Assert.True(context.ModelState.IsValid);
Assert.Equal(new DateTime(2001, 1, 1), model.DateOfBirth);
}
public void ProcessDto_RequiredFieldMissing_RaisesModelErrorWithMessage()
{
// Arrange
Person model = new Person();
ModelMetadata containerMetadata = GetMetadataForObject(model);
HttpActionContext context = ContextUtil.CreateActionContext();
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = containerMetadata,
ModelName = "theModel"
};
// Set no properties though ValueTypeRequired (a non-Nullable struct) property is required.
ComplexModelDto dto = new ComplexModelDto(containerMetadata, containerMetadata.Properties);
TestableMutableObjectModelBinder testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.ProcessDto(context, bindingContext, dto);
// Assert
ModelStateDictionary modelStateDictionary = bindingContext.ModelState;
Assert.False(modelStateDictionary.IsValid);
Assert.Equal(1, modelStateDictionary.Count);
// Check ValueTypeRequired error.
ModelState modelState;
Assert.True(modelStateDictionary.TryGetValue("theModel.ValueTypeRequired", out modelState));
Assert.Equal(1, modelState.Errors.Count);
ModelError modelError = modelState.Errors[0];
Assert.Null(modelError.Exception);
Assert.NotNull(modelError.ErrorMessage);
Assert.Equal("Sample message", modelError.ErrorMessage);
}