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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Data.Linq;
using System.Web.Http.Metadata.Providers;
using System.Web.Http.Util;
using Xunit;
namespace System.Web.Http.ModelBinding.Binders
{
public class BinaryDataModelBinderProviderTest
{
private static readonly byte[] _base64Bytes = new byte[] { 0x12, 0x20, 0x34, 0x40 };
private const string _base64String = "EiA0QA==";
[Fact]
public void BindModel_BadValue_Fails()
{
// Arrange
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(byte[])),
ModelName = "foo",
ValueProvider = new SimpleHttpValueProvider
{
{ "foo", "not base64 encoded!" }
}
};
BinaryDataModelBinderProvider binderProvider = new BinaryDataModelBinderProvider();
// Act
IModelBinder binder = binderProvider.GetBinder(null, bindingContext);
bool retVal = binder.BindModel(null, bindingContext);
// Assert
Assert.False(retVal);
}
[Fact]
public void BindModel_EmptyValue_Fails()
{
// Arrange
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(byte[])),
ModelName = "foo",
ValueProvider = new SimpleHttpValueProvider
{
{ "foo", "" }
}
};
BinaryDataModelBinderProvider binderProvider = new BinaryDataModelBinderProvider();
// Act
IModelBinder binder = binderProvider.GetBinder(null, bindingContext);
bool retVal = binder.BindModel(null, bindingContext);
// Assert
Assert.False(retVal);
}
[Fact]
public void BindModel_GoodValue_ByteArray_Succeeds()
{
// Arrange
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(byte[])),
ModelName = "foo",
ValueProvider = new SimpleHttpValueProvider
{
{ "foo", _base64String }
}
};
BinaryDataModelBinderProvider binderProvider = new BinaryDataModelBinderProvider();
// Act
IModelBinder binder = binderProvider.GetBinder(null, bindingContext);
bool retVal = binder.BindModel(null, bindingContext);
// Assert
Assert.True(retVal);
Assert.Equal(_base64Bytes, (byte[])bindingContext.Model);
}
[Fact]
public void BindModel_GoodValue_LinqBinary_Succeeds()
{
// Arrange
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(Binary)),
ModelName = "foo",
ValueProvider = new SimpleHttpValueProvider
{
{ "foo", _base64String }
}
};
BinaryDataModelBinderProvider binderProvider = new BinaryDataModelBinderProvider();
// Act
IModelBinder binder = binderProvider.GetBinder(null, bindingContext);
bool retVal = binder.BindModel(null, bindingContext);
// Assert
Assert.True(retVal);
Binary binaryModel = Assert.IsType<Binary>(bindingContext.Model);
Assert.Equal(_base64Bytes, binaryModel.ToArray());
}
[Fact]
public void BindModel_NoValue_Fails()
{
// Arrange
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(byte[])),
ModelName = "foo",
ValueProvider = new SimpleHttpValueProvider
{
{ "foo.bar", _base64String }
}
};
BinaryDataModelBinderProvider binderProvider = new BinaryDataModelBinderProvider();
// Act
IModelBinder binder = binderProvider.GetBinder(null, bindingContext);
bool retVal = binder.BindModel(null, bindingContext);
// Assert
Assert.False(retVal);
}
[Fact]
public void GetBinder_WrongModelType_ReturnsNull()
{
// Arrange
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(object)),
ModelName = "foo",
ValueProvider = new SimpleHttpValueProvider
{
{ "foo", _base64String }
}
};
BinaryDataModelBinderProvider binderProvider = new BinaryDataModelBinderProvider();
// Act
IModelBinder modelBinder = binderProvider.GetBinder(null, bindingContext);
// Assert
Assert.Null(modelBinder);
}
}
}
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