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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System;
using System.Runtime.Serialization;
using System.Web.Mvc;
using Microsoft.Web.UnitTestUtil;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace Microsoft.Web.Mvc.Test
{
public class DeserializeAttributeTest
{
[Fact]
public void BinderReturnsDeserializedValue()
{
// Arrange
Mock<MvcSerializer> mockSerializer = new Mock<MvcSerializer>();
mockSerializer.Setup(o => o.Deserialize("some-value", SerializationMode.EncryptedAndSigned)).Returns(42);
DeserializeAttribute attr = new DeserializeAttribute(SerializationMode.EncryptedAndSigned) { Serializer = mockSerializer.Object };
IModelBinder binder = attr.GetBinder();
ModelBindingContext mbContext = new ModelBindingContext
{
ModelName = "someKey",
ValueProvider = new SimpleValueProvider
{
{ "someKey", "some-value" }
}
};
// Act
object retVal = binder.BindModel(null, mbContext);
// Assert
Assert.Equal(42, retVal);
}
[Fact]
public void BinderReturnsNullIfValueProviderDoesNotContainKey()
{
// Arrange
DeserializeAttribute attr = new DeserializeAttribute();
IModelBinder binder = attr.GetBinder();
ModelBindingContext mbContext = new ModelBindingContext
{
ModelName = "someKey",
ValueProvider = new SimpleValueProvider()
};
// Act
object retVal = binder.BindModel(null, mbContext);
// Assert
Assert.Null(retVal);
}
[Fact]
public void BinderThrowsIfBindingContextIsNull()
{
// Arrange
DeserializeAttribute attr = new DeserializeAttribute();
IModelBinder binder = attr.GetBinder();
// Act & assert
Assert.ThrowsArgumentNull(
delegate { binder.BindModel(null, null); }, "bindingContext");
}
[Fact]
public void BinderThrowsIfDataCorrupt()
{
// Arrange
Mock<MvcSerializer> mockSerializer = new Mock<MvcSerializer>();
mockSerializer.Setup(o => o.Deserialize(It.IsAny<string>(), It.IsAny<SerializationMode>())).Throws(new SerializationException());
DeserializeAttribute attr = new DeserializeAttribute { Serializer = mockSerializer.Object };
IModelBinder binder = attr.GetBinder();
ModelBindingContext mbContext = new ModelBindingContext
{
ModelName = "someKey",
ValueProvider = new SimpleValueProvider
{
{ "someKey", "This data is corrupted." }
}
};
// Act & assert
Exception exception = Assert.Throws<SerializationException>(
delegate { binder.BindModel(null, mbContext); });
}
[Fact]
public void ModeDefaultsToSigned()
{
// Arrange
DeserializeAttribute attr = new DeserializeAttribute();
// Act
SerializationMode defaultMode = attr.Mode;
// Assert
Assert.Equal(SerializationMode.Signed, defaultMode);
}
}
}
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