public void GetBinder_TypeMatches_Success_Factory_ReturnsBinder()
{
// Arrange
IExtensibleModelBinder binderInstance = new Mock <IExtensibleModelBinder>().Object;
Func <Type[], IExtensibleModelBinder> binderFactory = typeArguments =>
{
Assert.Equal(new[] { typeof(int) }, typeArguments);
return(binderInstance);
};
GenericModelBinderProvider provider = new GenericModelBinderProvider(
typeof(IList <>),
binderFactory
)
{
SuppressPrefixCheck = true
};
ExtensibleModelBindingContext bindingContext = GetBindingContext(typeof(List <int>));
// Act
IExtensibleModelBinder returnedBinder = provider.GetBinder(null, bindingContext);
// Assert
Assert.Same(binderInstance, returnedBinder);
}
public void GetBinderThrowsIfBindingContextIsNull()
{
// Arrange
GenericModelBinderProvider provider = new GenericModelBinderProvider(typeof(IEnumerable <>), typeof(CollectionModelBinder <>));
// Act & assert
Assert.ThrowsArgumentNull(
delegate { provider.GetBinder(null, null); }, "bindingContext");
}
public void GetBinder_TypeDoesNotMatch_ModelTypeIsNotInterface_ReturnsNull()
{
// Arrange
GenericModelBinderProvider provider = new GenericModelBinderProvider(typeof(List <>), typeof(CollectionModelBinder <>))
{
SuppressPrefixCheck = true
};
ExtensibleModelBindingContext bindingContext = GetBindingContext(typeof(object));
// Act
IExtensibleModelBinder binder = provider.GetBinder(null, bindingContext);
// Assert
Assert.Null(binder);
}
public void GetBinder_TypeMatches_Success_TypeActivation_ReturnsBinder()
{
// Arrange
GenericModelBinderProvider provider = new GenericModelBinderProvider(typeof(List <>), typeof(CollectionModelBinder <>))
{
SuppressPrefixCheck = true
};
ExtensibleModelBindingContext bindingContext = GetBindingContext(typeof(List <int>));
// Act
IExtensibleModelBinder returnedBinder = provider.GetBinder(null, bindingContext);
// Assert
Assert.IsType <CollectionModelBinder <int> >(returnedBinder);
}
public void GetBinder_TypeMatches_PrefixNotFound_ReturnsNull()
{
// Arrange
IExtensibleModelBinder binderInstance = new Mock <IExtensibleModelBinder>().Object;
GenericModelBinderProvider provider = new GenericModelBinderProvider(typeof(List <>), binderInstance);
ExtensibleModelBindingContext bindingContext = GetBindingContext(typeof(List <int>));
bindingContext.ValueProvider = new SimpleValueProvider();
// Act
IExtensibleModelBinder returnedBinder = provider.GetBinder(null, bindingContext);
// Assert
Assert.Null(returnedBinder);
}
public void GetBinderThrowsIfModelBinderHasNoParameterlessConstructor()
{
// Arrange
ExtensibleModelBindingContext bindingContext = GetBindingContext(typeof(List <int>));
GenericModelBinderProvider provider =
new GenericModelBinderProvider(typeof(List <>), typeof(NoParameterlessCtorBinder <>))
{
SuppressPrefixCheck = true,
};
// Act & Assert, confirming type name and full stack are available in Exception
MissingMethodException exception = Assert.Throws <MissingMethodException>(
() => provider.GetBinder(null, bindingContext),
"No parameterless constructor defined for this object. Object type 'Microsoft.Web.Mvc.ModelBinding.Test.GenericModelBinderProviderTest+NoParameterlessCtorBinder`1[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]'.");
Assert.Contains("System.Activator.CreateInstance(", exception.ToString());
}
public void GetBinder_TypeMatches_Success_Instance_ReturnsBinder()
{
// Arrange
IExtensibleModelBinder binderInstance = new Mock <IExtensibleModelBinder>().Object;
GenericModelBinderProvider provider = new GenericModelBinderProvider(typeof(List <>), binderInstance)
{
SuppressPrefixCheck = true
};
ExtensibleModelBindingContext bindingContext = GetBindingContext(typeof(List <int>));
// Act
IExtensibleModelBinder returnedBinder = provider.GetBinder(null, bindingContext);
// Assert
Assert.Same(binderInstance, returnedBinder);
}
public void RegisterBinderForGenericType_Instance()
{
// Arrange
ModelBinderProvider mockProvider = new Mock <ModelBinderProvider>().Object;
IExtensibleModelBinder mockBinder = new Mock <IExtensibleModelBinder>().Object;
ModelBinderProviderCollection collection = new ModelBinderProviderCollection()
{
mockProvider
};
// Act
collection.RegisterBinderForGenericType(typeof(List <>), mockBinder);
// Assert
GenericModelBinderProvider genericProvider = collection[0] as GenericModelBinderProvider;
Assert.IsNotNull(genericProvider, "Generic provider should've been inserted at the front of the list.");
Assert.AreEqual(typeof(List <>), genericProvider.ModelType);
Assert.AreEqual(mockProvider, collection[1]);
}
public void GetBinderThrowsIfBindingContextIsNull() {
// Arrange
GenericModelBinderProvider provider = new GenericModelBinderProvider(typeof(IEnumerable<>), typeof(CollectionModelBinder<>));
// Act & assert
ExceptionHelper.ExpectArgumentNullException(
delegate {
provider.GetBinder(null, null);
}, "bindingContext");
}
public void GetBinder_TypeMatches_Success_TypeActivation_ReturnsBinder() {
// Arrange
GenericModelBinderProvider provider = new GenericModelBinderProvider(typeof(List<>), typeof(CollectionModelBinder<>)) {
SuppressPrefixCheck = true
};
ExtensibleModelBindingContext bindingContext = GetBindingContext(typeof(List<int>));
// Act
IExtensibleModelBinder returnedBinder = provider.GetBinder(null, bindingContext);
// Assert
Assert.IsInstanceOfType(returnedBinder, typeof(CollectionModelBinder<int>));
}
public void GetBinder_TypeMatches_Success_Instance_ReturnsBinder() {
// Arrange
IExtensibleModelBinder binderInstance = new Mock<IExtensibleModelBinder>().Object;
GenericModelBinderProvider provider = new GenericModelBinderProvider(typeof(List<>), binderInstance) {
SuppressPrefixCheck = true
};
ExtensibleModelBindingContext bindingContext = GetBindingContext(typeof(List<int>));
// Act
IExtensibleModelBinder returnedBinder = provider.GetBinder(null, bindingContext);
// Assert
Assert.AreSame(binderInstance, returnedBinder);
}
public void GetBinder_TypeMatches_Success_Factory_ReturnsBinder() {
// Arrange
IExtensibleModelBinder binderInstance = new Mock<IExtensibleModelBinder>().Object;
Func<Type[], IExtensibleModelBinder> binderFactory = typeArguments => {
CollectionAssert.AreEqual(new Type[] { typeof(int) }, typeArguments);
return binderInstance;
};
GenericModelBinderProvider provider = new GenericModelBinderProvider(typeof(IList<>), binderFactory) {
SuppressPrefixCheck = true
};
ExtensibleModelBindingContext bindingContext = GetBindingContext(typeof(List<int>));
// Act
IExtensibleModelBinder returnedBinder = provider.GetBinder(null, bindingContext);
// Assert
Assert.AreSame(binderInstance, returnedBinder);
}
public void GetBinder_TypeMatches_PrefixNotFound_ReturnsNull() {
// Arrange
IExtensibleModelBinder binderInstance = new Mock<IExtensibleModelBinder>().Object;
GenericModelBinderProvider provider = new GenericModelBinderProvider(typeof(List<>), binderInstance);
ExtensibleModelBindingContext bindingContext = GetBindingContext(typeof(List<int>));
bindingContext.ValueProvider = new SimpleValueProvider();
// Act
IExtensibleModelBinder returnedBinder = provider.GetBinder(null, bindingContext);
// Assert
Assert.IsNull(returnedBinder);
}
public void GetBinder_TypeDoesNotMatch_ModelTypeIsNotInterface_ReturnsNull() {
// Arrange
GenericModelBinderProvider provider = new GenericModelBinderProvider(typeof(List<>), typeof(CollectionModelBinder<>)) {
SuppressPrefixCheck = true
};
ExtensibleModelBindingContext bindingContext = GetBindingContext(typeof(object));
// Act
IExtensibleModelBinder binder = provider.GetBinder(null, bindingContext);
// Assert
Assert.IsNull(binder);
}
