public void WriteMessageWillWriteCorrectMessageToMessageWriter()
{
var writer = new SpyMessageWriter();
var softwareUnderTesting = new Salution(writer);
softwareUnderTesting.WriteMessage();
Assert.Equal(expected: "Hello DI!", actual: writer.WrittenMessage);
}
static void Main()
{
#region Late Binding
//string directory = Directory.GetCurrentDirectory();
//IConfigurationRoot configuration = new ConfigurationBuilder()
// .SetBasePath(Directory.GetCurrentDirectory())
// .AddJsonFile("appsettings.json")
// .Build();
//string typename = configuration["messageWriter"];
//Type type = Type.GetType(typename, throwOnError: true);
//IMessageWriter writer = (IMessageWriter)Activator.CreateInstance(type);
#endregion
#region Extensibility using the decorator pattern that is enabled by using DI
//IMessageWriter writer = new SecureMessageWriter(new ConsoleMessageWriter(), WindowsIdentity.GetCurrent());
#endregion
IMessageWriter writer = new ConsoleMessageWriter();
var salution = new Salution(writer);
salution.WriteMessage();
//WriteLine("Hello World!");
}
