public void CreateServiceCollection_ResolvesSingletons_FromApplicationServices_ForClosedTypes_AsEnumerable()
{
// Arrange
var service1 = new Service <string>();
var service2 = new Service <string>();
var services = new ServiceCollection();
services.AddSingleton <IService <string> >(service1);
services.AddSingleton <IService <string> >(service2);
var provider = services.BuildServiceProvider();
var factory = new TenantServiceCollectionFactory(provider, services);
// Act
var tenantServices = factory.CreateServiceCollection();
var applicationSingleton = provider.GetService <IService <string> >();
// Assert
var descriptor = tenantServices.SingleOrDefault(sd => sd.ServiceType == typeof(IEnumerable <IService <string> >));
Assert.NotNull(descriptor);
Assert.NotNull(descriptor.ImplementationInstance);
Assert.Equal(ServiceLifetime.Singleton, descriptor.Lifetime);
var enumerable = (IEnumerable <IService <string> >)descriptor.ImplementationInstance;
Assert.Equal(2, enumerable.Count());
}
private TenantServiceProviderResolver CreateResolver()
{
var services = new ServiceCollection();
var provider = services.BuildServiceProvider();
var factory = new TenantServiceCollectionFactory(provider, services);
var resolver = new TenantServiceProviderResolver(factory);
return(resolver);
}
public void CreateServiceCollection_CreatesNewServiceCollection()
{
// Arrange
var services = new ServiceCollection();
var provider = services.BuildServiceProvider();
var factory = new TenantServiceCollectionFactory(provider, services);
// Act
var tenantServices = factory.CreateServiceCollection();
// Assert
Assert.NotNull(tenantServices);
Assert.NotSame(services, tenantServices);
}
public void CreateServiceCollection_ConsumesScopedServiceDescriptors()
{
// Arrange
var services = new ServiceCollection();
services.AddScoped <IService <string>, Service <string> >();
var provider = services.BuildServiceProvider();
var factory = new TenantServiceCollectionFactory(provider, services);
// Act
var tenantServices = factory.CreateServiceCollection();
// Assert
var descriptor = tenantServices.SingleOrDefault(sd => sd.ServiceType == typeof(IService <string>));
Assert.NotNull(descriptor);
Assert.Equal(typeof(Service <string>), descriptor.ImplementationType);
Assert.Equal(ServiceLifetime.Scoped, descriptor.Lifetime);
}
public void CreateServiceCollection_ReplacesSelfReferencingServiceCollection()
{
// Arrange
var services = new ServiceCollection();
services.AddSingleton <IServiceCollection>(services);
var provider = services.BuildServiceProvider();
var factory = new TenantServiceCollectionFactory(provider, services);
// Act
var tenantServices = factory.CreateServiceCollection();
// Assert
var descriptor = tenantServices.SingleOrDefault(sd => sd.ServiceType == typeof(IServiceCollection));
Assert.NotNull(descriptor);
Assert.Same(tenantServices, descriptor.ImplementationInstance);
Assert.NotSame(services, descriptor.ImplementationInstance);
}
public void CreateServiceCollection_TenantScopedServices_ResolvedPerTenantServiceProvider()
{
// Arrange
var services = new ServiceCollection();
services.AddTenantScoped <IService <string>, Service <string> >();
var provider = services.BuildServiceProvider();
var factory = new TenantServiceCollectionFactory(provider, services);
// Act
var tenantServiceProvider1 = factory.CreateServiceCollection().BuildServiceProvider();
var tenantServiceProvider2 = factory.CreateServiceCollection().BuildServiceProvider();
// Assert
var service1 = tenantServiceProvider1.GetService <IService <string> >();
var service2 = tenantServiceProvider2.GetService <IService <string> >();
Assert.NotSame(service1, service2);
}
/// <summary>
/// Initialises a new instance of <see cref="TenantServiceProviderResolver"/>
/// </summary>
/// <param name="services">The tenant-scoped services</param>
public TenantServiceProviderResolver(TenantServiceCollectionFactory serviceCollectionFactory)
{
Ensure.IsNotNull(serviceCollectionFactory, nameof(serviceCollectionFactory));
_tenantServices = new Lazy <IServiceCollection>(() => serviceCollectionFactory.CreateServiceCollection(), LazyThreadSafetyMode.PublicationOnly);
}