public void AddAndPrintTest()
{
TodoApp todoApp = new TodoApp();
todoApp.UseTestEnvironment();
// Retrieve output to command line, redirect it to the String Writer
using (StringWriter sw = new StringWriter())
{
// Set the console to print to sw
Console.SetOut(sw);
todoApp.Add("This is a test");
string expected = "#1 This is a test\r\n";
Assert.AreEqual(expected, sw.ToString());
}
using (StringWriter sw = new StringWriter())
{
// Set the console to print to sw
Console.SetOut(sw);
todoApp.Add("another item");
string expectedPrint = "#2 another item\r\n#1 This is a test\r\n#2 another item\r\n";
todoApp.Print();
Assert.AreEqual(expectedPrint, sw.ToString());
}
}
static void Main(string[] args)
{
TodoApp todoApp;
Console.WriteLine("- console - to use System.Console as input/output");
Console.WriteLine("- inmemory - to use in-memory input / output");
Console.WriteLine("- file - to use file input / output");
var choice = Console.ReadLine();
switch (choice.ToLower())
{
case "console":
var consoleIO = new ConsoleInputOutput();
todoApp = new TodoApp(consoleIO);
break;
case "inmemory":
var inputs = new string[] { "buy a milk", "go to dentist" };
var inMemoryIO = new MemoryInputOutput(inputs);
todoApp = new TodoApp(inMemoryIO);
break;
case "file":
var fileIO = new FileInputOutput();
todoApp = new TodoApp(fileIO);
break;
default:
throw new Exception("bad choice");
}
while (true)
{
Console.WriteLine("Available commands: add, print");
choice = Console.ReadLine();
switch (choice.ToLower())
{
case "add":
try
{
todoApp.Add();
}
catch (NotImplementedException)
{
Console.WriteLine("Option is not supported yet");
}
catch (Exception exception)
{
Console.WriteLine(exception);
}
break;
case "print":
try
{
todoApp.Print();
}
catch (NotImplementedException)
{
Console.WriteLine("Option is not supported yet");
}
catch (Exception exception)
{
Console.WriteLine(exception);
}
break;
default: continue;
}
}
}