private static StandardStreamReader WrapInput(IConsole console, Stream?stream, bool isRedirected)
{
if (stream is null)
{
return(StandardStreamReader.CreateNull(console));
}
return(new StandardStreamReader(Stream.Synchronized(stream), Console.InputEncoding, false, isRedirected, console));
}
public TestConsole(
Func <TestConsole, string> onReadLine = null,
IEnumerable <string> pipedInput = null,
Func <TestConsole, ConsoleKeyInfo> onReadKey = null)
{
_onReadKey = onReadKey;
IsInputRedirected = pipedInput != null;
if (pipedInput != null)
{
if (onReadLine != null)
{
throw new Exception($"{nameof(onReadLine)} and {nameof(pipedInput)} cannot both be specified. " +
"Windows will throw 'System.IO.IOException: The handle is invalid' on an attempt to ");
}
if (pipedInput is ICollection <string> inputs)
{
var queue = new Queue <string>(inputs);
onReadLine = console => queue.Count == 0 ? null : queue.Dequeue();
}
else
{
onReadLine = console => pipedInput.Take(1).FirstOrDefault();
}
}
var joined = new StandardStreamWriter();
Joined = joined;
Out = new StandardStreamWriter(joined);
Error = new StandardStreamWriter(joined);
In = new StandardStreamReader(
() =>
{
var input = onReadLine?.Invoke(this);
// write to joined output so it can be logged for debugging
joined.WriteLine();
joined.WriteLine($"IConsole.ReadLine > {input}");
joined.WriteLine();
return(input);
});
}
public SystemConsole()
{
Error = StandardStreamWriter.Create(Console.Error);
Out = StandardStreamWriter.Create(Console.Out);
In = StandardStreamReader.Create(Console.In);
}
