public void Handle_WhenContextIsNull_ExceptionExpected()
{
var viewModel = TestHelper.CreateWindowTwoViewModel();
var state = new EnterCorrectTextInWindowTwoState(viewModel);
IContext context = null;
// ReSharper disable once ExpressionIsAlwaysNull
Assert.Catch <ArgumentNullException>(() => state.Go(context));
}
public void Handle_WhenEnteredTextIsCorrect_SetExpectedStateToContext()
{
var viewModel = TestHelper.CreateWindowTwoViewModel();
var state = new EnterCorrectTextInWindowTwoState(viewModel);
viewModel.EnteredText = Constants.ExpectedUserInput;
var context = viewModel.Context;
state.Go(context);
Assert.AreEqual(typeof(WindowOneWithActiveButtonState), context.State.GetType());
}
public void Handle_WhenEnteredTextIsCorrect_RemoveViewModelFromWindowManager()
{
var viewModel = TestHelper.CreateWindowTwoViewModel();
var state = new EnterCorrectTextInWindowTwoState(viewModel);
viewModel.EnteredText = Constants.ExpectedUserInput;
var context = viewModel.Context;
state.Go(context);
Assert.AreEqual(0, context.WindowManager.GetActiveViewModels().Count());
}
public void Handle_WhenEnteredTextIsInvalid_SetExpectedStateToContext()
{
var viewModel = TestHelper.CreateWindowTwoViewModel();
var state = new EnterCorrectTextInWindowTwoState(viewModel);
viewModel.EnteredText = "123";
var context = viewModel.Context;
state.Go(context);
Assert.AreEqual(typeof(EnterInvalidTextInWindowTwoState), context.State.GetType());
}
public void Handle_WhenEnteredTextIsInvalid_SetCanExecuteButtonThreeComandToFalse()
{
var viewModel = TestHelper.CreateWindowTwoViewModel();
var state = new EnterCorrectTextInWindowTwoState(viewModel);
viewModel.EnteredText = "123";
var context = viewModel.Context;
state.Go(context);
Assert.IsFalse(viewModel.CanExecuteButtonThreeCommand);
}
public void Handle_WhenEnteredTextIsInvalid_SetExpectedUserMessage()
{
var viewModel = TestHelper.CreateWindowTwoViewModel();
viewModel.UserMessage = "123";
var state = new EnterCorrectTextInWindowTwoState(viewModel);
viewModel.EnteredText = "123";
var context = viewModel.Context;
state.Go(context);
Assert.AreEqual(Constants.HiTextToUser, viewModel.UserMessage);
}
