static void Main(string[] args)
{
//creating objects for API classes to write messages on console or to the database.
HelloWorldConsole hwc = new HelloWorldConsole();
hwc.SetConsoleMsg("Hellow World!");
hwc.displayConsoleMessage();
//similary we can add a code to write messages to database
HelloWorldDatabase hwd = new HelloWorldDatabase();
hwd.SetConsoleMsg("Write Hellow World to database");
hwd.DBWrite();
//using configuation file to determine where to write the information
switch (ConfigurationManager.AppSettings["AppType"])
{
case "Console":
HelloWorldConsole hwcApp = new HelloWorldConsole();
hwcApp.SetConsoleMsg("Hello World!");
hwcApp.displayConsoleMessage();
break;
case "Database":
HelloWorldConsole hwdApp = new HelloWorldConsole();
hwdApp.SetConsoleMsg("Hello World!");
hwdApp.DBWrite();
break;
default:
Console.Write("Invalid option for AppType");
break;
}
Console.ReadKey();
}
public void SetConsoleMessage()
{
HelloWorldConsole hwc = new HelloWorldConsole();
hwc.SetConsoleMsg("Hello World");
//verify if HelloWorldConsole object is not null
Assert.IsNotNull(hwc);
//verify if both the objects are equal
Assert.AreEqual("Hello World", hwc.consoleMsg);
}