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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
namespace System.Data.Entity
{
using System.Collections.Generic;
using System.Data.Entity.TestHelpers;
using System.Linq;
using System.Reflection;
using Xunit;
using Xunit.Sdk;
/// <summary>
/// Attribute that is applied to a method to indicate that it is a fact that
/// should be run by the test runner in partial trust.
/// </summary>
/// <remarks>
/// The class containing the method must derive from <see cref="MarshalByRefObject" />.
///
/// If the test class is decorated using <see cref="IUseFixture<>" />, the fixture data is
/// instantiated in the main
/// <see cref="AppDomain" />
/// and then serialized to the partial trust
/// sandbox.
/// </remarks>
public class PartialTrustFactAttribute : FactAttribute
{
protected override IEnumerable<ITestCommand> EnumerateTestCommands(IMethodInfo method)
{
var fixtures = GetFixtures(method.Class);
return base.EnumerateTestCommands(method).Select(tc => new PartialTrustCommand(tc, fixtures));
}
private static IDictionary<MethodInfo, object> GetFixtures(ITypeInfo typeUnderTest)
{
var fixtures = new Dictionary<MethodInfo, object>();
foreach (var @interface in typeUnderTest.Type.GetInterfaces())
{
if (@interface.IsGenericType)
{
var genericDefinition = @interface.GetGenericTypeDefinition();
if (genericDefinition == typeof(IUseFixture<>))
{
var dataType = @interface.GetGenericArguments()[0];
var fixtureData = Activator.CreateInstance(dataType);
var method = @interface.GetMethod("SetFixture", new[] { dataType });
fixtures[method] = fixtureData;
}
}
}
return fixtures;
}
}
}
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