static void Main(string[] args)
{
Console.WriteLine("#########################################");
Console.WriteLine("# Welcome to workshop 5 | Testable Code #");
Console.WriteLine("#########################################");
Console.WriteLine();
var db = new PostgresqlDatabase();
db.Customers.Add(new Customer {
Id = Guid.NewGuid(), Name = "John Doe"
});
db.Customers.Add(new Customer {
Id = Guid.NewGuid(), Name = "Maggie Musterman"
});
db.Customers.Add(new Customer {
Id = Guid.NewGuid(), Name = "Some Dude"
});
// ----------------------------------------------------------------
// Optimize the code below ...
var billingSystem = new BillingSystem(db, new CreditCardCharger());
billingSystem.Init(); // bad!
billingSystem.Process();
// ----------------------------------------------------------------
Console.WriteLine();
Console.WriteLine("Good bye! See you next time!");
Console.ReadLine();
}
public void Setup()
{
this.db = new PostgresqlDatabase(); // try to get rid of me
this.chargerMock = new Mock <ICharger>();
this.billingSystem = new BillingSystem(this.db, this.chargerMock.Object);
this.billingSystem.Init();
}
static void Main(string[] args)
{
Console.WriteLine("#########################################");
Console.WriteLine("# Welcome to workshop 5 | Testable Code #");
Console.WriteLine("#########################################");
Console.WriteLine();
var db = new PostgresqlDatabase();
db.Customers.Add(new Customer {
Id = Guid.NewGuid(), Name = "John Doe"
});
db.Customers.Add(new Customer {
Id = Guid.NewGuid(), Name = "Maggie Musterman"
});
db.Customers.Add(new Customer {
Id = Guid.NewGuid(), Name = "Some Dude"
});
// Replace this by AUTOFAC
var database = new PostgresqlDatabase();
var billingSystem =
new BillingSystem(
new CustomerRepository(database),
new SubscriptionRepository(database),
new CreditCardCharger());
/*
* USE AUTOFAC HERE!!
*
* var billingSystem = container.Resolve<BillingSystem>();
*/
var containerConfig = new ContainerBuilder();
containerConfig.RegisterType <CustomerRepository>().As <ICustomerRepository>();
containerConfig.RegisterType <SubscriptionRepository>().As <ISubscriptionRepository>();
containerConfig.RegisterType <CreditCardCharger>().As <ICharger>();
// this tells Autofac to only create a single instance of PostgresqlDatabase and
// use that one instance everytime a ICustomerDatabase or ISubscriptionDatabase
// is needed
containerConfig
.RegisterType <PostgresqlDatabase>()
.As <ICustomerDatabase>()
.InstancePerLifetimeScope();
containerConfig
.RegisterType <PostgresqlDatabase>()
.As <ISubscriptionDatabase>()
.InstancePerLifetimeScope();
billingSystem.Process();
Console.WriteLine();
Console.WriteLine("Good bye! See you next time!");
Console.ReadLine();
}
public BillingSystem(PostgresqlDatabase db, ICharger charger)
{
this.db = db;
this.charger = charger; // good!
// where is the subscription-repository?
}
