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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Web.Mvc;
using Microsoft.Web.UnitTestUtil;
using Xunit;
namespace Microsoft.Web.Mvc.ModelBinding.Test
{
public class CollectionModelBinderProviderTest
{
[Fact]
public void GetBinder_CorrectModelTypeAndValueProviderEntries_ReturnsBinder()
{
// Arrange
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(IEnumerable<int>)),
ModelName = "foo",
ValueProvider = new SimpleValueProvider
{
{ "foo[0]", "42" },
}
};
CollectionModelBinderProvider binderProvider = new CollectionModelBinderProvider();
// Act
IExtensibleModelBinder binder = binderProvider.GetBinder(null, bindingContext);
// Assert
Assert.IsType<CollectionModelBinder<int>>(binder);
}
[Fact]
public void GetBinder_ModelTypeIsIncorrect_ReturnsNull()
{
// Arrange
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(int)),
ModelName = "foo",
ValueProvider = new SimpleValueProvider
{
{ "foo[0]", "42" },
}
};
CollectionModelBinderProvider binderProvider = new CollectionModelBinderProvider();
// Act
IExtensibleModelBinder binder = binderProvider.GetBinder(null, bindingContext);
// Assert
Assert.Null(binder);
}
[Fact]
public void GetBinder_ValueProviderDoesNotContainPrefix_ReturnsNull()
{
// Arrange
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(IEnumerable<int>)),
ModelName = "foo",
ValueProvider = new SimpleValueProvider()
};
CollectionModelBinderProvider binderProvider = new CollectionModelBinderProvider();
// Act
IExtensibleModelBinder binder = binderProvider.GetBinder(null, bindingContext);
// Assert
Assert.Null(binder);
}
}
}
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