public async Task TryUpdateModel_ReturnsFalse_IfModelValidationFails()
{
// Arrange
var binders = new IModelBinder[]
{
new TypeConverterModelBinder(),
new ComplexModelDtoModelBinder(),
new MutableObjectModelBinder()
};
var validator = new DataAnnotationsModelValidatorProvider();
var model = new MyModel();
var modelStateDictionary = new ModelStateDictionary();
var values = new Dictionary <string, object>
{
{ "", null }
};
var valueProvider = new DictionaryBasedValueProvider(values);
// Act
var result = await ModelBindingHelper.TryUpdateModelAsync(
model,
"",
Mock.Of <HttpContext>(),
modelStateDictionary,
new DataAnnotationsModelMetadataProvider(),
GetCompositeBinder(binders),
valueProvider,
new[] { validator });
// Assert
Assert.False(result);
Assert.Equal("The MyProperty field is required.",
modelStateDictionary["MyProperty"].Errors[0].ErrorMessage);
}
public async Task TryUpdateModel_UsingIncludePredicateOverload_ReturnsTrue_ModelBindsAndValidatesSuccessfully()
{
// Arrange
var binders = new IModelBinder[]
{
new TypeConverterModelBinder(),
new ComplexModelDtoModelBinder(),
new MutableObjectModelBinder()
};
var validator = new DataAnnotationsModelValidatorProvider();
var model = new MyModel {
MyProperty = "Old-Value",
IncludedProperty = "Old-IncludedPropertyValue",
ExcludedProperty = "Old-ExcludedPropertyValue"
};
var modelStateDictionary = new ModelStateDictionary();
var values = new Dictionary <string, object>
{
{ "", null },
{ "MyProperty", "MyPropertyValue" },
{ "IncludedProperty", "IncludedPropertyValue" },
{ "ExcludedProperty", "ExcludedPropertyValue" }
};
Func <ModelBindingContext, string, bool> includePredicate =
(context, propertyName) =>
string.Equals(propertyName, "IncludedProperty", StringComparison.OrdinalIgnoreCase) ||
string.Equals(propertyName, "MyProperty", StringComparison.OrdinalIgnoreCase);
var valueProvider = new DictionaryBasedValueProvider <TestValueBinderMetadata>(values);
// Act
var result = await ModelBindingHelper.TryUpdateModelAsync(
model,
"",
Mock.Of <HttpContext>(),
modelStateDictionary,
new DataAnnotationsModelMetadataProvider(),
GetCompositeBinder(binders),
valueProvider,
validator,
includePredicate);
// Assert
Assert.True(result);
Assert.Equal("MyPropertyValue", model.MyProperty);
Assert.Equal("IncludedPropertyValue", model.IncludedProperty);
Assert.Equal("Old-ExcludedPropertyValue", model.ExcludedProperty);
}
public async Task TryUpdateModel_UsingDefaultIncludeOverload_IncludesAllProperties()
{
// Arrange
var binders = new IModelBinder[]
{
new TypeConverterModelBinder(),
new ComplexModelDtoModelBinder(),
new MutableObjectModelBinder()
};
var validator = new DataAnnotationsModelValidatorProvider();
var model = new MyModel
{
MyProperty = "Old-Value",
IncludedProperty = "Old-IncludedPropertyValue",
ExcludedProperty = "Old-ExcludedPropertyValue"
};
var modelStateDictionary = new ModelStateDictionary();
var values = new Dictionary <string, object>
{
{ "", null },
{ "MyProperty", "MyPropertyValue" },
{ "IncludedProperty", "IncludedPropertyValue" },
{ "ExcludedProperty", "ExcludedPropertyValue" }
};
var valueProvider = new DictionaryBasedValueProvider <TestValueBinderMetadata>(values);
// Act
var result = await ModelBindingHelper.TryUpdateModelAsync(
model,
"",
Mock.Of <HttpContext>(),
modelStateDictionary,
new DataAnnotationsModelMetadataProvider(),
GetCompositeBinder(binders),
valueProvider,
validator);
// Assert
// Includes everything.
Assert.True(result);
Assert.Equal("MyPropertyValue", model.MyProperty);
Assert.Equal("IncludedPropertyValue", model.IncludedProperty);
Assert.Equal("ExcludedPropertyValue", model.ExcludedProperty);
}
public async Task TryUpdateModel_ReturnsTrue_IfModelBindsAndValidatesSuccessfully()
{
// Arrange
var binders = new IModelBinder[]
{
new TypeConverterModelBinder(),
new ComplexModelDtoModelBinder(),
new MutableObjectModelBinder()
};
var validator = new DataAnnotationsModelValidatorProvider();
var model = new MyModel {
MyProperty = "Old-Value"
};
var modelStateDictionary = new ModelStateDictionary();
var values = new Dictionary <string, object>
{
{ "", null },
{ "MyProperty", "MyPropertyValue" }
};
var valueProvider = new DictionaryBasedValueProvider <TestValueBinderMetadata>(values);
// Act
var result = await ModelBindingHelper.TryUpdateModelAsync(
model,
"",
Mock.Of <HttpContext>(),
modelStateDictionary,
new DataAnnotationsModelMetadataProvider(),
GetCompositeBinder(binders),
valueProvider,
validator);
// Assert
Assert.True(result);
Assert.Equal("MyPropertyValue", model.MyProperty);
}
