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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.Config
{
using System.Data.Entity.Core.Common;
using System.Data.Entity.Infrastructure;
using System.Linq;
using Moq;
using Xunit;
public class ExecutionStrategyResolverTests : TestBase
{
[Fact]
public void GetService_returns_null_when_contract_interface_does_not_match()
{
Assert.Null(new ExecutionStrategyResolver().GetService<IQueryable>());
}
[Fact]
public void GetService_returns_execution_strategy_from_provider()
{
var mockExecutionStrategy = new Mock<NonRetryingExecutionStrategy>().Object;
var providerServicesMock = new Mock<DbProviderServices>();
providerServicesMock.Setup(m => m.GetExecutionStrategy()).Returns(mockExecutionStrategy);
var mockProviderServices = providerServicesMock.Object;
var resolver = new ExecutionStrategyResolver();
MutableResolver.AddResolver<DbProviderServices>(
key =>
{
var invariantName = key as string;
return "FooClient" == invariantName ? mockProviderServices : null;
});
IExecutionStrategy resolvedExecutionStrategy;
try
{
resolvedExecutionStrategy = resolver.GetService<IExecutionStrategy>(new ExecutionStrategyKey("FooClient", "foo"));
}
finally
{
MutableResolver.ClearResolvers();
}
Assert.Same(mockExecutionStrategy, resolvedExecutionStrategy);
}
[Fact]
public void The_root_resolver_returns_null_execution_strategy_for_null_key()
{
Assert.Null(new ExecutionStrategyResolver().GetService<IExecutionStrategy>(null));
}
}
}
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