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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.Internal
{
using System.Collections.Generic;
using System.Data.Entity.Config;
using System.Data.Entity.Migrations.Model;
using System.Data.Entity.Migrations.Sql;
using System.Data.Entity.Resources;
using System.Data.Entity.SqlServer;
using System.Data.Entity.Utilities;
using Xunit;
public class ProviderConfigTests
{
public class TryGetMigrationSqlGeneratorFactory : AppConfigTestBase
{
[Fact]
public void TryGetMigrationSqlGeneratorFactory_returns_factory_for_null_if_invariant_name_is_not_in_config()
{
Assert.Null(CreateAppConfig().Providers.TryGetMigrationSqlGeneratorFactory("System.Data.SqlClient")());
}
[Fact]
public void TryGetMigrationSqlGeneratorFactory_returns_factory_for_null_if_no_migrations_SQL_generator_is_registered()
{
Assert.Null(
CreateAppConfig(
"Learning.To.Fly", typeof(ProviderServicesFactoryTests.FakeProviderWithPublicProperty).AssemblyQualifiedName)
.Providers
.TryGetMigrationSqlGeneratorFactory("Learning.To.Fly")());
}
public class MySqlGenerator : MigrationSqlGenerator
{
public override IEnumerable<MigrationStatement> Generate(
IEnumerable<MigrationOperation> migrationOperations,
string providerManifestToken)
{
throw new NotImplementedException();
}
}
[Fact]
public void TryGetMigrationSqlGeneratorFactory_returns_generator_if_registered_in_config()
{
Assert.IsType<MySqlGenerator>(
CreateAppConfig(
"The.Hamster",
typeof(ProviderServicesFactoryTests.FakeProviderWithPublicProperty).AssemblyQualifiedName,
typeof(MySqlGenerator).AssemblyQualifiedName)
.Providers
.TryGetMigrationSqlGeneratorFactory("The.Hamster")());
}
[Fact]
public void TryGetMigrationSqlGeneratorFactory_throws_if_type_cannot_be_loaded()
{
Assert.Equal(
Strings.SqlGeneratorTypeMissing("Ben.Collins", "The.Stig"),
Assert.Throws<InvalidOperationException>(
() => CreateAppConfig(
"The.Stig",
typeof(ProviderServicesFactoryTests.FakeProviderWithPublicProperty).AssemblyQualifiedName,
"Ben.Collins")
.Providers
.TryGetMigrationSqlGeneratorFactory("The.Stig")).Message);
}
[Fact]
public void TryGetMigrationSqlGeneratorFactory_throws_if_type_cannot_be_used()
{
Assert.Equal(
Strings.CreateInstance_BadSqlGeneratorType(typeof(object).ToString(), typeof(MigrationSqlGenerator).ToString()),
Assert.Throws<InvalidOperationException>(
() => CreateAppConfig(
"Jezza",
typeof(ProviderServicesFactoryTests.FakeProviderWithPublicProperty).AssemblyQualifiedName,
typeof(object).AssemblyQualifiedName)
.Providers
.TryGetMigrationSqlGeneratorFactory("Jezza")()).Message);
}
}
public class TryGetDbProviderServices : AppConfigTestBase
{
[Fact]
public void TryGetDbProviderServices_returns_null_if_invariant_name_is_not_in_config()
{
Assert.Null(CreateAppConfig().Providers.TryGetDbProviderServices("System.Data.SqlClient"));
}
[Fact]
public void TryGetDbProviderServices_returns_provider_if_invariant_name_is_in_config()
{
Assert.Same(
ProviderServicesFactoryTests.FakeProviderWithPublicProperty.Instance,
CreateAppConfig(
"Learning.To.Fly", typeof(ProviderServicesFactoryTests.FakeProviderWithPublicProperty).AssemblyQualifiedName)
.Providers
.TryGetDbProviderServices("Learning.To.Fly"));
}
}
public class TryGetSpatialProvider : AppConfigTestBase
{
[Fact]
public void TryGetSpatialProvider_returns_null_if_spatialProviderType_is_not_in_config()
{
Assert.Null(CreateAppConfig().Providers.TryGetSpatialProvider());
}
[Fact]
public void TryGetSpatialProvider_returns_provider_instance()
{
Assert.Same(
SqlSpatialServices.Instance,
CreateAppConfigWithSpatial(typeof(SqlSpatialServices).AssemblyQualifiedName)
.Providers
.TryGetSpatialProvider());
}
[Fact]
public void TryLoadFromConfig_throws_if_type_cannot_be_loaded()
{
var providerConfig = CreateAppConfigWithSpatial("I.Is.Not.A.Type").Providers;
Assert.Equal(
Strings.DbSpatialServicesTypeNotFound("I.Is.Not.A.Type"),
Assert.Throws<InvalidOperationException>(() => providerConfig.TryGetSpatialProvider()).Message);
}
[Fact]
public void TryLoadFromConfig_throws_if_type_does_not_have_Instance_member()
{
var providerConfig = CreateAppConfigWithSpatial(typeof(Random).AssemblyQualifiedName).Providers;
Assert.Equal(
Strings.DbSpatialServices_InstanceMissing(typeof(Random).AssemblyQualifiedName),
Assert.Throws<InvalidOperationException>(() => providerConfig.TryGetSpatialProvider()).Message);
}
[Fact]
public void TryLoadFromConfig_throws_if_Instance_member_returns_wrong_thing()
{
var providerConfig = CreateAppConfigWithSpatial(typeof(SqlProviderServices).AssemblyQualifiedName).Providers;
Assert.Equal(
Strings.DbSpatialServices_NotDbSpatialServices(typeof(SqlProviderServices).AssemblyQualifiedName),
Assert.Throws<InvalidOperationException>(() => providerConfig.TryGetSpatialProvider()).Message);
}
}
}
}
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