private static (int exitCode, string output) CaptureConsoleWrites(Func <int> function)
{
using var writer = new StringWriter();
var @out = new DuplexTextWriter(Console.Out, writer);
var error = new DuplexTextWriter(Console.Error, writer);
Console.SetOut(@out);
Console.SetError(error);
try
{
return(function(), writer.ToString());
}
finally
{
Console.SetOut(@out.Original);
Console.SetError(error.Original);
}
}
private static Task <int> InterceptingSystemConsoleWrites(CommandContext context, ExecutionDelegate next)
{
if (Console.Out is DuplexTextWriter)
{
throw new InvalidOperationException("System.Console is already being intercepted. Interception does not currently support parellel executions.");
}
var @out = new DuplexTextWriter(Console.Out, context.Console.Out);
var error = new DuplexTextWriter(Console.Error, context.Console.Error);
try
{
Console.SetOut(@out);
Console.SetError(error);
return(next(context));
}
finally
{
Console.SetOut(@out.Original);
Console.SetError(error.Original);
}
}
