public async Task TryUpdateModel_ReturnsFalse_IfModelValidationFails()
{
// Arrange
var expectedMessage = TestPlatformHelper.IsMono ? "The field MyProperty is invalid." :
"The MyProperty field is required.";
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 TestValueProvider(values);
var modelMetadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
// Act
var result = await ModelBindingHelper.TryUpdateModelAsync(
model,
"",
Mock.Of<HttpContext>(),
modelStateDictionary,
modelMetadataProvider,
GetCompositeBinder(binders),
valueProvider,
new List<IInputFormatter>(),
new DefaultObjectValidator(new IExcludeTypeValidationFilter[0], modelMetadataProvider),
validator);
// Assert
Assert.False(result);
var error = Assert.Single(modelStateDictionary["MyProperty"].Errors);
Assert.Equal(expectedMessage, error.ErrorMessage);
}
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 TestValueProvider(values);
var metadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
// Act
var result = await ModelBindingHelper.TryUpdateModelAsync(
model,
"",
Mock.Of<HttpContext>(),
modelStateDictionary,
metadataProvider,
GetCompositeBinder(binders),
valueProvider,
new List<IInputFormatter>(),
new DefaultObjectValidator(new IExcludeTypeValidationFilter[0], metadataProvider),
validator);
// Assert
Assert.True(result);
Assert.Equal("MyPropertyValue", model.MyProperty);
}
public async Task TryUpdateModelNonGeneric_PredicateOverload_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 TestValueProvider(values);
var metadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
// Act
var result = await ModelBindingHelper.TryUpdateModelAsync(
model,
model.GetType(),
"",
Mock.Of<HttpContext>(),
modelStateDictionary,
metadataProvider,
GetCompositeBinder(binders),
valueProvider,
new List<IInputFormatter>(),
new DefaultObjectValidator(
new IExcludeTypeValidationFilter[0],
metadataProvider),
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 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 TestValueProvider(values);
var metadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
// Act
var result = await ModelBindingHelper.TryUpdateModelAsync(
model,
"",
Mock.Of<HttpContext>(),
modelStateDictionary,
metadataProvider,
GetCompositeBinder(binders),
valueProvider,
new List<IInputFormatter>(),
new DefaultObjectValidator(new IExcludeTypeValidationFilter[0], metadataProvider),
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_UsingIncludeExpressionOverload_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" }
};
var valueProvider = new TestValueProvider(values);
var metadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
// Act
var result = await ModelBindingHelper.TryUpdateModelAsync(
model,
"",
Mock.Of<HttpContext>(),
modelStateDictionary,
TestModelMetadataProvider.CreateDefaultProvider(),
GetCompositeBinder(binders),
valueProvider,
new DefaultObjectValidator(Mock.Of<IValidationExcludeFiltersProvider>(), metadataProvider),
validator,
m => m.IncludedProperty,
m => m.MyProperty);
// Assert
Assert.True(result);
Assert.Equal("MyPropertyValue", model.MyProperty);
Assert.Equal("IncludedPropertyValue", model.IncludedProperty);
Assert.Equal("Old-ExcludedPropertyValue", model.ExcludedProperty);
}