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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Web.Mvc;
using Microsoft.Web.UnitTestUtil;
using Moq;
using Xunit;
namespace Microsoft.Web.Mvc.ModelBinding.Test
{
public class KeyValuePairModelBinderUtilTest
{
[Fact]
public void TryBindStrongModel_BinderExists_BinderReturnsCorrectlyTypedObject_ReturnsTrue()
{
// Arrange
ControllerContext controllerContext = new ControllerContext();
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(int)),
ModelName = "someName",
ModelState = new ModelStateDictionary(),
ModelBinderProviders = new ModelBinderProviderCollection(),
ValueProvider = new SimpleValueProvider()
};
Mock<IExtensibleModelBinder> mockIntBinder = new Mock<IExtensibleModelBinder>();
mockIntBinder
.Setup(o => o.BindModel(controllerContext, It.IsAny<ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc)
{
Assert.Equal("someName.key", mbc.ModelName);
mbc.Model = 42;
return true;
});
bindingContext.ModelBinderProviders.RegisterBinderForType(typeof(int), mockIntBinder.Object, true /* suppressPrefixCheck */);
// Act
int model;
bool retVal = KeyValuePairModelBinderUtil.TryBindStrongModel(controllerContext, bindingContext, "key", new EmptyModelMetadataProvider(), out model);
// Assert
Assert.True(retVal);
Assert.Equal(42, model);
Assert.Single(bindingContext.ValidationNode.ChildNodes);
Assert.Empty(bindingContext.ModelState);
}
[Fact]
public void TryBindStrongModel_BinderExists_BinderReturnsIncorrectlyTypedObject_ReturnsTrue()
{
// Arrange
ControllerContext controllerContext = new ControllerContext();
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(int)),
ModelName = "someName",
ModelState = new ModelStateDictionary(),
ModelBinderProviders = new ModelBinderProviderCollection(),
ValueProvider = new SimpleValueProvider()
};
Mock<IExtensibleModelBinder> mockIntBinder = new Mock<IExtensibleModelBinder>();
mockIntBinder
.Setup(o => o.BindModel(controllerContext, It.IsAny<ExtensibleModelBindingContext>()))
.Returns(
delegate(ControllerContext cc, ExtensibleModelBindingContext mbc)
{
Assert.Equal("someName.key", mbc.ModelName);
return true;
});
bindingContext.ModelBinderProviders.RegisterBinderForType(typeof(int), mockIntBinder.Object, true /* suppressPrefixCheck */);
// Act
int model;
bool retVal = KeyValuePairModelBinderUtil.TryBindStrongModel(controllerContext, bindingContext, "key", new EmptyModelMetadataProvider(), out model);
// Assert
Assert.True(retVal);
Assert.Equal(default(int), model);
Assert.Single(bindingContext.ValidationNode.ChildNodes);
Assert.Empty(bindingContext.ModelState);
}
[Fact]
public void TryBindStrongModel_NoBinder_ReturnsFalse()
{
// Arrange
ControllerContext controllerContext = new ControllerContext();
ExtensibleModelBindingContext bindingContext = new ExtensibleModelBindingContext
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(int)),
ModelName = "someName",
ModelState = new ModelStateDictionary(),
ModelBinderProviders = new ModelBinderProviderCollection(),
ValueProvider = new SimpleValueProvider()
};
// Act
int model;
bool retVal = KeyValuePairModelBinderUtil.TryBindStrongModel(controllerContext, bindingContext, "key", new EmptyModelMetadataProvider(), out model);
// Assert
Assert.False(retVal);
Assert.Equal(default(int), model);
Assert.Empty(bindingContext.ValidationNode.ChildNodes);
Assert.Empty(bindingContext.ModelState);
}
}
}
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