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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 Moq;
using Xunit;
public class IDbDependencyResolverExtensionsTests
{
public interface IPilkington
{
}
[Fact]
public void Generic_get_with_name_calls_resolver_with_correct_type_and_name()
{
var karl = new Mock<IPilkington>().Object;
var mockResolver = CreateMockResolver(karl);
Assert.Same(karl, mockResolver.Object.GetService<IPilkington>("Karl"));
mockResolver.Verify(m => m.GetService(typeof(IPilkington), "Karl"), Times.Once());
}
[Fact]
public void Generic_get_without_name_calls_resolver_with_correct_type_and_null_name()
{
var karl = new Mock<IPilkington>().Object;
var mockResolver = CreateMockResolver(karl);
Assert.Same(karl, mockResolver.Object.GetService<IPilkington>());
mockResolver.Verify(m => m.GetService(typeof(IPilkington), null), Times.Once());
}
[Fact]
public void Non_generic_get_without_name_calls_resolver_with_given_type_and_null_name()
{
var karl = new Mock<IPilkington>().Object;
var mockResolver = CreateMockResolver(karl);
Assert.Same(karl, mockResolver.Object.GetService(typeof(IPilkington)));
mockResolver.Verify(m => m.GetService(typeof(IPilkington), null), Times.Once());
}
[Fact]
public void Get_methods_verify_resolver_and_type_are_non_null()
{
Assert.Equal(
"resolver",
Assert.Throws<ArgumentNullException>(() => IDbDependencyResolverExtensions.GetService<IPilkington>(null, "Karl")).ParamName);
Assert.Equal(
"resolver",
Assert.Throws<ArgumentNullException>(() => IDbDependencyResolverExtensions.GetService<IPilkington>(null)).ParamName);
Assert.Equal(
"resolver",
Assert.Throws<ArgumentNullException>(() => IDbDependencyResolverExtensions.GetService(null, typeof(IPilkington))).ParamName);
Assert.Equal(
"type",
Assert.Throws<ArgumentNullException>(() => new Mock<IDbDependencyResolver>().Object.GetService(null)).ParamName);
}
private static Mock<IDbDependencyResolver> CreateMockResolver(IPilkington karl)
{
var mockResolver = new Mock<IDbDependencyResolver>();
mockResolver.Setup(m => m.GetService(It.IsAny<Type>(), It.IsAny<string>())).Returns(karl);
return mockResolver;
}
}
}
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