public void TestUndoRedirectStdout()
{
// open python console
PythonConsoleWindow.ShowWindow();
var prevContents = PythonConsoleWindow.s_window.m_outputContents;
PythonConsoleWindow.s_window.m_outputContents = "";
var msg = "hello world";
var pythonCmd = string.Format("print ('{0}')", msg);
PythonRunner.RunString(pythonCmd);
var output = PythonConsoleWindow.s_window.m_outputContents;
Assert.That(output, Is.EqualTo(msg + "\n"));
PythonRunner.UndoRedirectStdout();
PythonConsoleWindow.s_window.m_outputContents = "";
// stdout should no longer be redirected
PythonRunner.RunString(pythonCmd);
output = PythonConsoleWindow.s_window.m_outputContents;
Assert.That(output, Is.Null.Or.Empty);
PythonConsoleWindow.s_window.m_outputContents = prevContents;
PythonConsoleWindow.s_window.Close();
// redo stdout redirection
PythonRunner.RedirectStdout();
}