public void BindModel_UnsuccessfulBind_SimpleTypeNoFallback_ReturnsNull()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
Mock <ModelBinderProvider> mockBinderProvider = new Mock <ModelBinderProvider>();
mockBinderProvider.Setup(o => o.GetBinder(controllerContext, It.IsAny <ExtensibleModelBindingContext>())).Returns((IExtensibleModelBinder)null).Verifiable();
ModelBinderProviderCollection binderProviders = new ModelBinderProviderCollection
{
mockBinderProvider.Object
};
ExtensibleModelBinderAdapter shimBinder = new ExtensibleModelBinderAdapter(binderProviders);
ModelBindingContext bindingContext = new ModelBindingContext
{
FallbackToEmptyPrefix = true,
ModelMetadata = new DataAnnotationsModelMetadataProvider().GetMetadataForType(null, typeof(int)),
ModelState = controllerContext.Controller.ViewData.ModelState
};
// Act
object retVal = shimBinder.BindModel(controllerContext, bindingContext);
// Assert
Assert.Null(retVal);
Assert.True(bindingContext.ModelState.IsValid);
mockBinderProvider.Verify();
mockBinderProvider.Verify(o => o.GetBinder(controllerContext, It.IsAny <ExtensibleModelBindingContext>()), Times.AtMostOnce());
}
public void BindModel_UnsuccessfulBind_BinderFails_ReturnsNull()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
Mock <IExtensibleModelBinder> mockListBinder = new Mock <IExtensibleModelBinder>();
mockListBinder.Setup(o => o.BindModel(controllerContext, It.IsAny <ExtensibleModelBindingContext>())).Returns(false).Verifiable();
ModelBinderProviderCollection binderProviders = new ModelBinderProviderCollection();
binderProviders.RegisterBinderForType(typeof(List <int>), mockListBinder.Object, true /* suppressPrefixCheck */);
ExtensibleModelBinderAdapter shimBinder = new ExtensibleModelBinderAdapter(binderProviders);
ModelBindingContext bindingContext = new ModelBindingContext
{
FallbackToEmptyPrefix = false,
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(List <int>)),
ModelState = controllerContext.Controller.ViewData.ModelState
};
// Act
object retVal = shimBinder.BindModel(controllerContext, bindingContext);
// Assert
Assert.Null(retVal);
Assert.True(bindingContext.ModelState.IsValid);
mockListBinder.Verify();
}
public void BindModel_PropertyFilterIsSet_Throws()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
ModelBindingContext bindingContext = new ModelBindingContext()
{
FallbackToEmptyPrefix = true,
ModelMetadata = new DataAnnotationsModelMetadataProvider().GetMetadataForType(null, typeof(SimpleModel)),
PropertyFilter = (new BindAttribute()
{
Include = "FirstName "
}).IsPropertyAllowed
};
ModelBinderProviderCollection binderProviders = new ModelBinderProviderCollection();
ExtensibleModelBinderAdapter shimBinder = new ExtensibleModelBinderAdapter(binderProviders);
// Act & assert
ExceptionHelper.ExpectInvalidOperationException(
delegate {
shimBinder.BindModel(controllerContext, bindingContext);
},
@"The new model binding system cannot be used when a property whitelist or blacklist has been specified in [Bind] or via the call to UpdateModel() / TryUpdateModel(). Use the [BindRequired] and [BindNever] attributes on the model type or its properties instead.");
}
public void BindModel_SuccessfulBind_ComplexTypeFallback_RunsValidationAndReturnsModel()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
bool validationCalled = false;
List <int> expectedModel = new List <int> {
1, 2, 3, 4, 5
};
ModelBindingContext bindingContext = new ModelBindingContext
{
FallbackToEmptyPrefix = true,
ModelMetadata = new DataAnnotationsModelMetadataProvider().GetMetadataForType(null, typeof(List <int>)),
ModelName = "someName",
ModelState = controllerContext.Controller.ViewData.ModelState,
PropertyFilter = _ => true,
ValueProvider = new SimpleValueProvider
{
{ "someOtherName", "dummyValue" }
}
};
Mock <IExtensibleModelBinder> mockIntBinder = new Mock <IExtensibleModelBinder>();
mockIntBinder
.Setup(o => o.BindModel(controllerContext, It.IsAny <ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc)
{
Assert.Same(bindingContext.ModelMetadata, mbc.ModelMetadata);
Assert.Equal("", mbc.ModelName);
Assert.Same(bindingContext.ValueProvider, mbc.ValueProvider);
mbc.Model = expectedModel;
mbc.ValidationNode.Validating += delegate { validationCalled = true; };
return(true);
});
ModelBinderProviderCollection binderProviders = new ModelBinderProviderCollection();
binderProviders.RegisterBinderForType(typeof(List <int>), mockIntBinder.Object, false /* suppressPrefixCheck */);
ExtensibleModelBinderAdapter shimBinder = new ExtensibleModelBinderAdapter(binderProviders);
// Act
object retVal = shimBinder.BindModel(controllerContext, bindingContext);
// Assert
Assert.Equal(expectedModel, retVal);
Assert.True(validationCalled);
Assert.True(bindingContext.ModelState.IsValid);
}
public void BindModel_SuccessfulBind_RunsValidationAndReturnsModel()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
bool validationCalled = false;
ModelBindingContext bindingContext = new ModelBindingContext()
{
FallbackToEmptyPrefix = true,
ModelMetadata = new DataAnnotationsModelMetadataProvider().GetMetadataForType(null, typeof(int)),
ModelName = "someName",
ModelState = controllerContext.Controller.ViewData.ModelState,
PropertyFilter = _ => true,
ValueProvider = new SimpleValueProvider()
{
{ "someName", "dummyValue" }
}
};
Mock <IExtensibleModelBinder> mockIntBinder = new Mock <IExtensibleModelBinder>();
mockIntBinder
.Setup(o => o.BindModel(controllerContext, It.IsAny <ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc) {
Assert.AreSame(bindingContext.ModelMetadata, mbc.ModelMetadata, "ModelMetadata wasn't correct.");
Assert.AreEqual("someName", mbc.ModelName, "ModelName wasn't correct.");
Assert.AreSame(bindingContext.ValueProvider, mbc.ValueProvider, "ValueProvider wasn't correct.");
mbc.Model = 42;
mbc.ValidationNode.Validating += delegate { validationCalled = true; };
return(true);
});
ModelBinderProviderCollection binderProviders = new ModelBinderProviderCollection();
binderProviders.RegisterBinderForType(typeof(int), mockIntBinder.Object, false /* suppressPrefixCheck */);
ExtensibleModelBinderAdapter shimBinder = new ExtensibleModelBinderAdapter(binderProviders);
// Act
object retVal = shimBinder.BindModel(controllerContext, bindingContext);
// Assert
Assert.AreEqual(42, retVal);
Assert.IsTrue(validationCalled);
Assert.IsTrue(bindingContext.ModelState.IsValid, "No errors should have been added to ModelState.");
}
public void BindModel_SuccessfulBind_RunsValidationAndReturnsModel()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
bool validationCalled = false;
ModelBindingContext bindingContext = new ModelBindingContext
{
FallbackToEmptyPrefix = true,
ModelMetadata = new DataAnnotationsModelMetadataProvider().GetMetadataForType(null, typeof(int)),
ModelName = "someName",
ModelState = controllerContext.Controller.ViewData.ModelState,
PropertyFilter = _ => true,
ValueProvider = new SimpleValueProvider
{
{ "someName", "dummyValue" }
}
};
Mock<IExtensibleModelBinder> mockIntBinder = new Mock<IExtensibleModelBinder>();
mockIntBinder
.Setup(o => o.BindModel(controllerContext, It.IsAny<ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc)
{
Assert.Same(bindingContext.ModelMetadata, mbc.ModelMetadata);
Assert.Equal("someName", mbc.ModelName);
Assert.Same(bindingContext.ValueProvider, mbc.ValueProvider);
mbc.Model = 42;
mbc.ValidationNode.Validating += delegate { validationCalled = true; };
return true;
});
ModelBinderProviderCollection binderProviders = new ModelBinderProviderCollection();
binderProviders.RegisterBinderForType(typeof(int), mockIntBinder.Object, false /* suppressPrefixCheck */);
ExtensibleModelBinderAdapter shimBinder = new ExtensibleModelBinderAdapter(binderProviders);
// Act
object retVal = shimBinder.BindModel(controllerContext, bindingContext);
// Assert
Assert.Equal(42, retVal);
Assert.True(validationCalled);
Assert.True(bindingContext.ModelState.IsValid);
}
public void Initialize_ReplacesOriginalCollection()
{
// Arrange
ModelBinderDictionary oldBinders = new ModelBinderDictionary();
oldBinders[typeof(int)] = new Mock <IModelBinder>().Object;
ModelBinderProviderCollection newBinderProviders = new ModelBinderProviderCollection();
// Act
ModelBinderConfig.Initialize(oldBinders, newBinderProviders);
// Assert
Assert.AreEqual(0, oldBinders.Count, "Old binder dictionary should have been cleared.");
ExtensibleModelBinderAdapter shimBinder = oldBinders.DefaultBinder as ExtensibleModelBinderAdapter;
Assert.IsNotNull(shimBinder, "The default binder for the old system should have been replaced with a compatibility shim.");
Assert.AreSame(newBinderProviders, shimBinder.Providers, "Providers collection was not passed through correctly.");
}
public void BindModel_PropertyFilterIsSet_Throws() {
// Arrange
ControllerContext controllerContext = GetControllerContext();
ModelBindingContext bindingContext = new ModelBindingContext() {
FallbackToEmptyPrefix = true,
ModelMetadata = new DataAnnotationsModelMetadataProvider().GetMetadataForType(null, typeof(SimpleModel)),
PropertyFilter = (new BindAttribute() { Include = "FirstName " }).IsPropertyAllowed
};
ModelBinderProviderCollection binderProviders = new ModelBinderProviderCollection();
ExtensibleModelBinderAdapter shimBinder = new ExtensibleModelBinderAdapter(binderProviders);
// Act & assert
ExceptionHelper.ExpectInvalidOperationException(
delegate {
shimBinder.BindModel(controllerContext, bindingContext);
},
@"The new model binding system cannot be used when a property whitelist or blacklist has been specified in [Bind] or via the call to UpdateModel() / TryUpdateModel(). Use the [BindRequired] and [BindNever] attributes on the model type or its properties instead.");
}
public void BindModel_SuccessfulBind_ComplexTypeFallback_RunsValidationAndReturnsModel() {
// Arrange
ControllerContext controllerContext = GetControllerContext();
bool validationCalled = false;
List<int> expectedModel = new List<int>() { 1, 2, 3, 4, 5 };
ModelBindingContext bindingContext = new ModelBindingContext() {
FallbackToEmptyPrefix = true,
ModelMetadata = new DataAnnotationsModelMetadataProvider().GetMetadataForType(null, typeof(List<int>)),
ModelName = "someName",
ModelState = controllerContext.Controller.ViewData.ModelState,
PropertyFilter = _ => true,
ValueProvider = new SimpleValueProvider() {
{ "someOtherName", "dummyValue" }
}
};
Mock<IExtensibleModelBinder> mockIntBinder = new Mock<IExtensibleModelBinder>();
mockIntBinder
.Setup(o => o.BindModel(controllerContext, It.IsAny<ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc) {
Assert.AreSame(bindingContext.ModelMetadata, mbc.ModelMetadata, "ModelMetadata wasn't correct.");
Assert.AreEqual("", mbc.ModelName, "ModelName wasn't correct.");
Assert.AreSame(bindingContext.ValueProvider, mbc.ValueProvider, "ValueProvider wasn't correct.");
mbc.Model = expectedModel;
mbc.ValidationNode.Validating += delegate { validationCalled = true; };
return true;
});
ModelBinderProviderCollection binderProviders = new ModelBinderProviderCollection();
binderProviders.RegisterBinderForType(typeof(List<int>), mockIntBinder.Object, false /* suppressPrefixCheck */);
ExtensibleModelBinderAdapter shimBinder = new ExtensibleModelBinderAdapter(binderProviders);
// Act
object retVal = shimBinder.BindModel(controllerContext, bindingContext);
// Assert
Assert.AreEqual(expectedModel, retVal);
Assert.IsTrue(validationCalled);
Assert.IsTrue(bindingContext.ModelState.IsValid, "No errors should have been added to ModelState.");
}
public void BindModel_UnsuccessfulBind_SimpleTypeNoFallback_ReturnsNull() {
// Arrange
ControllerContext controllerContext = GetControllerContext();
Mock<ModelBinderProvider> mockBinderProvider = new Mock<ModelBinderProvider>();
mockBinderProvider.Setup(o => o.GetBinder(controllerContext, It.IsAny<ExtensibleModelBindingContext>())).Returns((IExtensibleModelBinder)null).Verifiable();
ModelBinderProviderCollection binderProviders = new ModelBinderProviderCollection() {
mockBinderProvider.Object
};
ExtensibleModelBinderAdapter shimBinder = new ExtensibleModelBinderAdapter(binderProviders);
ModelBindingContext bindingContext = new ModelBindingContext() {
FallbackToEmptyPrefix = true,
ModelMetadata = new DataAnnotationsModelMetadataProvider().GetMetadataForType(null, typeof(int)),
ModelState = controllerContext.Controller.ViewData.ModelState
};
// Act
object retVal = shimBinder.BindModel(controllerContext, bindingContext);
// Assert
Assert.IsNull(retVal);
Assert.IsTrue(bindingContext.ModelState.IsValid, "No errors should have been added to ModelState.");
mockBinderProvider.Verify();
mockBinderProvider.Verify(o => o.GetBinder(controllerContext, It.IsAny<ExtensibleModelBindingContext>()), Times.AtMostOnce());
}
public void BindModel_UnsuccessfulBind_BinderFails_ReturnsNull() {
// Arrange
ControllerContext controllerContext = GetControllerContext();
Mock<IExtensibleModelBinder> mockListBinder = new Mock<IExtensibleModelBinder>();
mockListBinder.Setup(o => o.BindModel(controllerContext, It.IsAny<ExtensibleModelBindingContext>())).Returns(false).Verifiable();
ModelBinderProviderCollection binderProviders = new ModelBinderProviderCollection();
binderProviders.RegisterBinderForType(typeof(List<int>), mockListBinder.Object, true /* suppressPrefixCheck */);
ExtensibleModelBinderAdapter shimBinder = new ExtensibleModelBinderAdapter(binderProviders);
ModelBindingContext bindingContext = new ModelBindingContext() {
FallbackToEmptyPrefix = false,
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(List<int>)),
ModelState = controllerContext.Controller.ViewData.ModelState
};
// Act
object retVal = shimBinder.BindModel(controllerContext, bindingContext);
// Assert
Assert.IsNull(retVal);
Assert.IsTrue(bindingContext.ModelState.IsValid, "No errors should have been added to ModelState.");
mockListBinder.Verify();
}
