public async void ShouldRenderErrorMessageAndRenderTheMenuAgainIfNumberEnteredIsNotANumber()
{
SetUpMenuSelectionThenQuit("12AlphaBravo");
await ScreenManager.StartInputOutputLoop();
VerifyMenuIsRendered(Twice);
MockConsoleWrapper.Verify(x => x.WriteLineAsync("Selection is invalid. Please select an option."));
}
public async void ShouldRenderErrorMessageAndRenderTheMenuAgainIfNumberEnteredIsTooLarge()
{
SetUpMenuSelectionThenQuit("98324");
await ScreenManager.StartInputOutputLoop();
VerifyScreenIsCleared(Thrice);
VerifyMenuIsRendered(Twice);
MockConsoleWrapper.Verify(x => x.WriteLineAsync("Selection out of range. Please select an option."));
}
public async void ShouldWaitForInputAtEachLineRendered()
{
MockConsoleWrapper.Setup(x => x.ReadLineAsync()).ReturnsAsync("abc");
await Screen.Activated();
for (var lineNumber = 0; lineNumber < DisplayNames.Count(); lineNumber++)
{
var topPosition = lineNumber;
MockConsoleWrapper.Verify(x => x.SetCursorPosition(32, topPosition));
MockConsoleWrapper.Verify(x => x.ReadLineAsync());
}
}
public async void ShouldRenderAnOptionForQuitting()
{
await ScreenManager.StartInputOutputLoop();
MockConsoleWrapper.Verify(x => x.WriteLineAsync("99. Quit"), Times.Once);
}
private void VerifyScreenIsCleared(int count)
{
MockConsoleWrapper.Verify(x => x.ClearScreen(), Times.Exactly(count));
}
private void VerifyMenuIsRendered(int count)
{
MockConsoleWrapper.Verify(x => x.WriteLineAsync($"1. {ScreenNameOne}"), Times.Exactly(count));
MockConsoleWrapper.Verify(x => x.WriteLineAsync($"2. {ScreenNameTwo}"), Times.Exactly(count));
MockConsoleWrapper.Verify(x => x.WriteLineAsync($"3. {ScreenNameThree}"), Times.Exactly(count));
}