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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.SqlServer
{
using System.Data.Entity.Config;
using System.Data.Entity.Infrastructure;
using System.Linq;
using Moq;
using Xunit;
public class SqlExecutionStrategyResolverTests
{
[Fact]
public void Constructor_throws_on_null()
{
Assert.Equal(
"getExecutionStrategy",
Assert.Throws<ArgumentNullException>(() => new SqlExecutionStrategyResolver(null, "a")).ParamName);
}
[Fact]
public void GetService_returns_null_when_contract_interface_does_not_match()
{
Assert.Null(new SqlExecutionStrategyResolver(() => new Mock<IExecutionStrategy>().Object, null).GetService<IQueryable>());
}
[Fact]
public void GetService_returns_null_when_the_key_is_not_ExecutionStrategyKey()
{
Assert.Null(
new SqlExecutionStrategyResolver(() => new Mock<IExecutionStrategy>().Object, null).GetService<IExecutionStrategy>("a"));
}
[Fact]
public void GetService_returns_null_when_the_provider_name_doesnt_match()
{
Assert.Null(
new SqlExecutionStrategyResolver(() => new Mock<IExecutionStrategy>().Object, null).GetService<IExecutionStrategy>(
new ExecutionStrategyKey("FooClient", "a")));
}
[Fact]
public void GetService_returns_null_when_the_datasource_doesnt_match()
{
Assert.Null(
new SqlExecutionStrategyResolver(() => new Mock<IExecutionStrategy>().Object, "b").GetService<IExecutionStrategy>(
new ExecutionStrategyKey("System.Data.SqlClient", "a")));
}
[Fact]
public void GetService_returns_result_from_factory_method_on_match_null_datasource()
{
var mockExecutionStrategy = new Mock<IExecutionStrategy>().Object;
var resolver = new SqlExecutionStrategyResolver(() => mockExecutionStrategy, null);
var resolvedExecutionStrategy = resolver.GetService<IExecutionStrategy>(
new ExecutionStrategyKey("System.Data.SqlClient", "foo"));
Assert.Same(mockExecutionStrategy, resolvedExecutionStrategy);
}
[Fact]
public void GetService_returns_result_from_factory_method_on_match_notnull_datasource()
{
var mockExecutionStrategy = new Mock<IExecutionStrategy>().Object;
var resolver = new SqlExecutionStrategyResolver(() => mockExecutionStrategy, "foo");
var resolvedExecutionStrategy = resolver.GetService<IExecutionStrategy>(
new ExecutionStrategyKey("System.Data.SqlClient", "foo"));
Assert.Same(mockExecutionStrategy, resolvedExecutionStrategy);
}
}
}
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