public static Handler WithControl(ConsoleKey key, ConsoleKeyHandler keyHandler)
{
return new Handler(new ConsoleKeyInfo('\0', key, shift: false, alt: false, control: true), keyHandler);
}
public Handler(ConsoleKeyInfo keyInfo, ConsoleKeyHandler keyHandler)
{
KeyInfo = keyInfo;
KeyHandler = keyHandler;
}
public void Process_Should_Return_Input_When_Key_Any_Other_Command()
{
// arrange
var otherConsoleKey = ConsoleKey.F24;
var console = new Mock <IConsole>();
// read key
var consoleKeys = new List <(char inputChar, ConsoleKey consoleKey)>
{
('a', It.IsAny <ConsoleKey>()),
('b', It.IsAny <ConsoleKey>()),
('c', otherConsoleKey),
('d', It.IsAny <ConsoleKey>()),
(' ', ConsoleKey.Enter),
};
var readKeySetupSequence = console
.SetupSequence(c => c.ReadKey(true));
foreach (var(inputChar, consoleKey) in consoleKeys)
{
var consoleKeyInfo = new ConsoleKeyInfo(inputChar, consoleKey, false, false, false);
readKeySetupSequence.Returns(consoleKeyInfo);
}
// key commands
var calls = 0;
var isCommandCalled = false;
var map = new Dictionary <(ConsoleKey, ConsoleModifiers), Action <IConsoleState> >
{
{ (otherConsoleKey, 0), _ =>
{
isCommandCalled = true;
calls++;
} }
};
var consoleKeyCommands = new Mock <IConsoleKeyCommands>();
consoleKeyCommands
.Setup(c => c.GetInputKeyCommandMap())
.Returns(map);
consoleKeyCommands
.Setup(c => c.WriteChar(It.IsAny <IConsoleState>(), It.IsAny <char>()))
.Callback <IConsoleState, char>((s, _) =>
{
var(inputChar, _) = consoleKeys[calls];
s.Text.Append(inputChar);
calls++;
});
// key handler
var keyHandler = new ConsoleKeyHandler(console.Object, consoleKeyCommands.Object);
var inputHistory = new Mock <IInputHistory>();
var state = new ConsoleState(inputHistory.Object);
// act
var input = keyHandler.Process(state);
// assert
Assert.That(input, Is.EqualTo("abd"));
Assert.IsTrue(isCommandCalled);
console
.VerifySet(c =>
{
var expectedTotalNumberOfLines = 1;
c.CursorTop = expectedTotalNumberOfLines;
});
}
public Handler(ConsoleKey key, ConsoleKeyHandler keyHandler)
{
KeyInfo = new ConsoleKeyInfo('\0', key, false, false, false);
KeyHandler = keyHandler;
}
public void Process_Should_Return_Input_When_Key_Enter()
{
// arrange
// read key
var console = new Mock <IConsole>();
var consoleKeys = new List <(char inputChar, ConsoleKey consoleKey)>
{
('a', It.IsAny <ConsoleKey>()),
('b', It.IsAny <ConsoleKey>()),
('c', It.IsAny <ConsoleKey>()),
(' ', ConsoleKey.Enter),
};
var readKeySetupSequence = console
.SetupSequence(c => c.ReadKey(true));
foreach (var(inputChar, consoleKey) in consoleKeys)
{
var consoleKeyInfo = new ConsoleKeyInfo(inputChar, consoleKey, false, false, false);
readKeySetupSequence.Returns(consoleKeyInfo);
}
// key commands
var consoleKeyCommands = new Mock <IConsoleKeyCommands>();
consoleKeyCommands
.Setup(c => c.GetInputKeyCommandMap())
.Returns(new Dictionary <(ConsoleKey, ConsoleModifiers), Action <IConsoleState> >());
var inputHistory = new Mock <IInputHistory>();
var state = new ConsoleState(inputHistory.Object);
// add two pre-existing lines
state.Text.Append("123\n456\n");
var calls = 0;
consoleKeyCommands
.Setup(c => c.WriteChar(state, It.IsAny <char>()))
.Callback <IConsoleState, char>((s, _) =>
{
var(inputChar, _) = consoleKeys[calls];
s.Text.Append(inputChar);
calls++;
});
// key handler
var keyHandler = new ConsoleKeyHandler(console.Object, consoleKeyCommands.Object);
// act
var input = keyHandler.Process(state);
// assert
Assert.That(input, Is.EqualTo("123\n456\nabc"), "should have added a third line of code");
consoleKeyCommands
.Verify(c => c.WriteChar(state, It.IsAny <char>()), Times.Exactly(3));
console
.VerifySet(c =>
{
var expectedTotalNumberOfLines = 3;
c.CursorTop = expectedTotalNumberOfLines;
});
}
