protected override void RegisterCoreDependencies(Container container)
{
base.RegisterCoreDependencies(container);
//Configuration for the database providers. Usually global, but may be overridden by specific test fixtures.
container.Register(() =>
{
var configuration = new DatabaseFixtureConfiguration <TDbContext>();
ConfigureDatabaseProviders(configuration);
return(configuration);
},
Lifestyle.Singleton);
//The database provider attribute used on the test
container.RegisterTestScoped(() =>
{
if (container.IsVerifying)
{
return(new NoDatabaseAttribute());
}
var configuration = container.GetInstance <DatabaseFixtureConfiguration <TDbContext> >();
var providerAttribute = DatabaseTestContext.CurrentProviderAttribute.Value ?? configuration.DefaultProviderAttribute;
if (providerAttribute == null)
{
throw new InvalidOperationException("Could not determine database provider. No DatabaseProviderAttribute is set on the class or the method. No default attribute is configured.");
}
if (configuration.ReplaceProvider != null)
{
providerAttribute = configuration.ReplaceProvider(providerAttribute);
}
return(providerAttribute);
});
//The database provider instance itself that manages db creation, seeding, deletion and the options injected into the dbContext.
container.RegisterTestScoped(() =>
{
var configuration = container.GetInstance <DatabaseFixtureConfiguration <TDbContext> >();
var attribute = container.GetInstance <DatabaseProviderAttribute>();
var attributeType = attribute.GetType();
if (!configuration !.ProviderFactories.ContainsKey(attributeType))
{
throw new InvalidOperationException($"Cannot resolve provider for attribute {attributeType.FullName}. No provider is registered for it.");
}
var providerFactory = configuration.ProviderFactories[attributeType];
var provider = providerFactory(attribute);
return(provider);
});
//The db context options given by the database provider
container.RegisterTestScoped(() =>
{
var provider = container.GetInstance <ITestDatabaseProvider <TDbContext> >();
return(provider.GetContextOptions());
});
//The db context
container.Register <TDbContext>(Lifestyle.Scoped);
}
public static void Reset()
{
ProviderKeys.Clear();
Accessors.Clear();
ProviderFactories.Clear();
}
private IReadOnlyList <IProvider> GetProviders(IHostInteraction hostInteraction)
{
return(ProviderFactories.Select(pf => pf.CreateProvider(hostInteraction)).ToList());
}