public void Calling_AddEntityFramework_explicitly_does_not_change_services()
{
var services1 = AddServices(new ServiceCollection());
var services2 = AddServices(new ServiceCollection());
ServiceCollectionProviderInfrastructure.TryAddDefaultEntityFrameworkServices(new ServiceCollectionMap(services2));
AssertServicesSame(services1, services2);
}
private static void ApplyServices(IDbContextOptions options, ServiceCollection services)
{
var coreServicesAdded = false;
foreach (var extension in options.Extensions)
{
if (extension.ApplyServices(services))
{
coreServicesAdded = true;
}
}
if (!coreServicesAdded)
{
ServiceCollectionProviderInfrastructure.TryAddDefaultEntityFrameworkServices(
new ServiceCollectionMap(services));
}
}
public void Throws_with_new_when_no_provider_use_Database()
{
var serviceCollection = new ServiceCollection();
ServiceCollectionProviderInfrastructure.TryAddDefaultEntityFrameworkServices(new ServiceCollectionMap(serviceCollection));
var serviceProvider = serviceCollection.BuildServiceProvider();
var options = new DbContextOptionsBuilder <ConstructorTestContext1A>()
.UseInternalServiceProvider(serviceProvider)
.Options;
using (var context = new ConstructorTestContext1A(options))
{
Assert.Equal(
CoreStrings.NoProviderConfigured,
Assert.Throws <InvalidOperationException>(() => context.Database.GetDbConnection()).Message);
}
}
public void Throws_on_attempt_to_use_store_with_no_store_services()
{
var serviceCollection = new ServiceCollection();
ServiceCollectionProviderInfrastructure.TryAddDefaultEntityFrameworkServices(new ServiceCollectionMap(serviceCollection));
var serviceProvider = serviceCollection.BuildServiceProvider();
Assert.Equal(
CoreStrings.NoProviderConfigured,
Assert.Throws <InvalidOperationException>(() =>
{
using (var context = new ImplicitConfigButNoServicesBlogContext(serviceProvider))
{
context.Blogs.Add(new Blog {
Name = "The Waffle Cart"
});
context.SaveChanges();
}
}).Message);
}
public void Throws_on_attempt_to_use_store_with_no_store_services()
{
var serviceCollection = new ServiceCollection();
ServiceCollectionProviderInfrastructure.TryAddDefaultEntityFrameworkServices(new ServiceCollectionMap(serviceCollection));
var serviceProvider = serviceCollection.BuildServiceProvider();
using (SqlServerNorthwindContext.GetSharedStore())
{
Assert.Equal(
CoreStrings.NoProviderConfigured,
Assert.Throws <InvalidOperationException>(() =>
{
using (var context = new NorthwindContext(
new DbContextOptionsBuilder()
.UseInternalServiceProvider(serviceProvider).Options))
{
Assert.Equal(91, context.Customers.Count());
}
}).Message);
}
}
/// <summary>
/// <para>
/// Adds the services required by the in-memory database provider for Entity Framework
/// to an <see cref="IServiceCollection" />. You use this method when using dependency injection
/// in your application, such as with ASP.NET. For more information on setting up dependency
/// injection, see http://go.microsoft.com/fwlink/?LinkId=526890.
/// </para>
/// <para>
/// You only need to use this functionality when you want Entity Framework to resolve the services it uses
/// from an external dependency injection container. If you are not using an external
/// dependency injection container, Entity Framework will take care of creating the services it requires.
/// </para>
/// </summary>
/// <example>
/// <code>
/// public void ConfigureServices(IServiceCollection services)
/// {
/// services
/// .AddEntityFrameworkInMemoryDatabase()
/// .AddDbContext<MyContext>((serviceProvider, options) =>
/// options.UseInMemoryDatabase()
/// .UseInternalServiceProvider(serviceProvider));
/// }
/// </code>
/// </example>
/// <param name="serviceCollection"> The <see cref="IServiceCollection" /> to add services to. </param>
/// <returns>
/// The same service collection so that multiple calls can be chained.
/// </returns>
public static IServiceCollection AddEntityFrameworkInMemoryDatabase([NotNull] this IServiceCollection serviceCollection)
{
Check.NotNull(serviceCollection, nameof(serviceCollection));
var serviceCollectionMap = new ServiceCollectionMap(serviceCollection)
.TryAddSingletonEnumerable <IDatabaseProvider, DatabaseProvider <InMemoryOptionsExtension> >()
.TryAddSingleton <IInMemoryStoreSource, InMemoryStoreSource>()
.TryAddSingleton <IInMemoryTableFactory, InMemoryTableFactory>()
.TryAddScoped <IValueGeneratorSelector, InMemoryValueGeneratorSelector>()
.TryAddScoped <IInMemoryDatabase, InMemoryDatabase>()
.TryAddScoped <IDatabase>(p => p.GetService <IInMemoryDatabase>())
.TryAddScoped <IDbContextTransactionManager, InMemoryTransactionManager>()
.TryAddScoped <IDatabaseCreator, InMemoryDatabaseCreator>()
.TryAddScoped <IMaterializerFactory, MaterializerFactory>()
.TryAddScoped <IQueryContextFactory, InMemoryQueryContextFactory>()
.TryAddScoped <IEntityQueryModelVisitorFactory, InMemoryQueryModelVisitorFactory>()
.TryAddScoped <IEntityQueryableExpressionVisitorFactory, InMemoryEntityQueryableExpressionVisitorFactory>();
ServiceCollectionProviderInfrastructure.TryAddDefaultEntityFrameworkServices(serviceCollectionMap);
return(serviceCollection);
}
public void Throws_with_add_when_no_provider_use_Database()
{
var serviceCollection = new ServiceCollection();
ServiceCollectionProviderInfrastructure.TryAddDefaultEntityFrameworkServices(new ServiceCollectionMap(serviceCollection));
var appServiceProivder = serviceCollection
.AddDbContext <ConstructorTestContext1A>(
(p, b) => b.UseInternalServiceProvider(p))
.BuildServiceProvider();
using (var serviceScope = appServiceProivder
.GetRequiredService <IServiceScopeFactory>()
.CreateScope())
{
var context = serviceScope.ServiceProvider.GetService <ConstructorTestContext1A>();
Assert.Equal(
CoreStrings.NoProviderConfigured,
Assert.Throws <InvalidOperationException>(() => context.Database.GetDbConnection()).Message);
}
}
