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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.Common;
using System.Data.Entity.Core.Common;
using System.Data.Entity.Core.Common.CommandTrees;
using System.Data.Entity.Resources;
using System.Data.Entity.SqlServer;
using System.Data.Entity.SqlServerCompact;
using System.Data.Entity.Utilities;
using System.Data.SqlClient;
using Xunit;
public class ProviderServicesFactoryTests
{
public class GetInstanceByConvention
{
[Fact]
public void GetInstanceByConvention_returns_SqlProviderServices_type_for_SqlClient_invariant_name()
{
Assert.Same(
SqlProviderServices.Instance,
new ProviderServicesFactory().GetInstanceByConvention("System.Data.SqlClient"));
}
[Fact]
public void GetInstanceByConvention_returns_SqlCeProviderServices_type_for_Sql_Compact_invariant_name()
{
Assert.Equal(
SqlCeProviderServices.Instance,
new ProviderServicesFactory().GetInstanceByConvention("System.Data.SqlServerCe.4.0"));
}
[Fact]
public void GetInstanceByConvention_throws_for_unknown_invariant_name()
{
Assert.Equal(
Strings.EF6Providers_NoProviderFound("Don't.Come.Around.Here.No.More"),
Assert.Throws<InvalidOperationException>(
() => new ProviderServicesFactory().GetInstanceByConvention("Don't.Come.Around.Here.No.More")).Message);
}
}
public class GetDbProviderServices
{
[Fact]
public void GetDbProviderServices_uses_public_Instance_property_if_available()
{
Assert.Same(
FakeProviderWithPublicProperty.Instance,
new ProviderServicesFactory().GetInstance(
typeof(FakeProviderWithPublicProperty).AssemblyQualifiedName, "Learning.To.Fly"));
}
[Fact]
public void GetDbProviderServices_uses_public_Instance_field_if_available()
{
Assert.Same(
FakeProviderWithPublicField.Instance,
new ProviderServicesFactory().GetInstance(
typeof(FakeProviderWithPublicField).AssemblyQualifiedName, "I.Wanna.Hold.Your.Hand"));
}
[Fact]
public void GetDbProviderServices_uses_non_public_Instance_property_if_available()
{
Assert.IsType<FakeProviderWithNonPublicProperty>(
new ProviderServicesFactory().GetInstance(
typeof(FakeProviderWithNonPublicProperty).AssemblyQualifiedName, "Stairway.To.Heaven"));
}
[Fact]
public void GetDbProviderServices_uses_non_public_Instance_field_if_available()
{
Assert.IsType<FakeProviderWithNonPublicField>(
new ProviderServicesFactory().GetInstance(
typeof(FakeProviderWithNonPublicField).AssemblyQualifiedName, "Does.Anybody.Remember.Laughter?"));
}
[Fact]
public void GetDbProviderServices_throws_if_provider_type_cannot_be_loaded()
{
Assert.Equal(
Strings.EF6Providers_ProviderTypeMissing("Killer.Queen.ProviderServices, Sheer.Heart.Attack", "Killer.Queen"),
Assert.Throws<InvalidOperationException>(
() => new ProviderServicesFactory().GetInstance(
"Killer.Queen.ProviderServices, Sheer.Heart.Attack", "Killer.Queen")).Message);
}
[Fact]
public void GetDbProviderServices_throws_if_there_is_no_Instance_field_or_property()
{
Assert.Equal(
Strings.EF6Providers_InstanceMissing(typeof(FakeProviderWithNoInstance).AssemblyQualifiedName),
Assert.Throws<InvalidOperationException>(
() => new ProviderServicesFactory().GetInstance(
typeof(FakeProviderWithNoInstance).AssemblyQualifiedName, "One.Headlight")).Message);
}
[Fact]
public void GetDbProviderServices_throws_if_Instance_member_returns_null()
{
Assert.Equal(
Strings.EF6Providers_NotDbProviderServices(typeof(FakeProviderWithNullInstance).AssemblyQualifiedName),
Assert.Throws<InvalidOperationException>(
() => new ProviderServicesFactory().GetInstance(
typeof(FakeProviderWithNullInstance).AssemblyQualifiedName, "Another.One.Bites.The.Dust")).Message);
}
[Fact]
public void GetDbProviderServices_throws_if_Instance_member_is_not_a_DbProviderServices_instance()
{
Assert.Equal(
Strings.EF6Providers_NotDbProviderServices(typeof(FakeProviderWithBadInstance).AssemblyQualifiedName),
Assert.Throws<InvalidOperationException>(
() => new ProviderServicesFactory().GetInstance(
typeof(FakeProviderWithBadInstance).AssemblyQualifiedName, "Everlong")).Message);
}
}
public class FakeProviderWithBadInstance : FakeProviderBase
{
private static readonly Random Instance = new Random();
}
public class FakeProviderWithNullInstance : FakeProviderBase
{
#pragma warning disable 169 // Used through Reflection
private static readonly FakeProviderWithNullInstance Instance;
#pragma warning restore 169
}
public class FakeProviderWithNoInstance : FakeProviderBase
{
}
public class FakeProviderWithPublicField : FakeProviderBase
{
public static readonly FakeProviderWithPublicField Instance = new FakeProviderWithPublicField();
}
public class FakeProviderWithPublicProperty : FakeProviderBase
{
private static readonly FakeProviderWithPublicProperty Singleton = new FakeProviderWithPublicProperty();
public static FakeProviderWithPublicProperty Instance
{
get { return Singleton; }
}
}
public class FakeProviderWithNonPublicField : FakeProviderBase
{
private static readonly FakeProviderWithNonPublicField Instance = new FakeProviderWithNonPublicField();
}
public class FakeProviderWithNonPublicProperty : FakeProviderBase
{
private static readonly FakeProviderWithNonPublicProperty Singleton = new FakeProviderWithNonPublicProperty();
private static FakeProviderWithNonPublicProperty Instance
{
get { return Singleton; }
}
}
public class FakeProviderBase : DbProviderServices
{
protected override DbCommandDefinition CreateDbCommandDefinition(
DbProviderManifest providerManifest, DbCommandTree commandTree)
{
throw new NotImplementedException();
}
protected override string GetDbProviderManifestToken(DbConnection connection)
{
throw new NotImplementedException();
}
protected override DbProviderManifest GetDbProviderManifest(string manifestToken)
{
throw new NotImplementedException();
}
}
}
}
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