def test_signal(self):
"""
Check that signals are restored after using _CursesScreen
"""
if sys.platform == "win32":
self.skipTest("Windows does not have signals.")
def dummy_signal_handler():
"""Dummy previous signal handler."""
pass
outer_state = _SignalState()
self.assertNotEqual(signal.getsignal(signal.SIGWINCH), dummy_signal_handler)
outer_state.set(signal.SIGWINCH, dummy_signal_handler)
self.assertEqual(signal.getsignal(signal.SIGWINCH), dummy_signal_handler)
Screen.wrapper(self.signal_check)
self.assertEqual(signal.getsignal(signal.SIGWINCH), dummy_signal_handler)
outer_state.restore()
self.assertNotEqual(signal.getsignal(signal.SIGWINCH), dummy_signal_handler)
def test_save_signal_state(self):
"""Tests that the signal state class works properly.
The _SignalState class must set, save, and restore signals
when needed.
"""
if sys.platform == "win32":
self.skipTest("Windows does not have signals.")
def dummy_handler():
"""Assign dummy handler to an arbitrary signal."""
pass
self.assertNotEqual(signal.getsignal(signal.SIGWINCH), dummy_handler)
signal_state = _SignalState()
signal_state.set(signal.SIGWINCH, dummy_handler)
self.assertEqual(signal.getsignal(signal.SIGWINCH), dummy_handler)
signal_state.restore()
self.assertNotEqual(signal.getsignal(signal.SIGWINCH), dummy_handler)
def test_signal(self):
"""
Check that signals are restored after using _CursesScreen
"""
if sys.platform == "win32":
self.skipTest("Windows does not have signals.")
def dummy_signal_handler():
"""Dummy previous signal handler."""
pass
outer_state = _SignalState()
self.assertNotEqual(signal.getsignal(signal.SIGWINCH), dummy_signal_handler)
outer_state.set(signal.SIGWINCH, dummy_signal_handler)
self.assertEqual(signal.getsignal(signal.SIGWINCH), dummy_signal_handler)
Screen.wrapper(self.signal_check)
self.assertEqual(signal.getsignal(signal.SIGWINCH), dummy_signal_handler)
outer_state.restore()
self.assertNotEqual(signal.getsignal(signal.SIGWINCH), dummy_signal_handler)
def test_save_signal_state(self):
"""Tests that the signal state class works properly.
The _SignalState class must set, save, and restore signals
when needed.
"""
if sys.platform == "win32":
self.skipTest("Windows does not have signals.")
def dummy_handler():
"""Assign dummy handler to an arbitrary signal."""
pass
self.assertNotEqual(signal.getsignal(signal.SIGWINCH), dummy_handler)
signal_state = _SignalState()
signal_state.set(signal.SIGWINCH, dummy_handler)
self.assertEqual(signal.getsignal(signal.SIGWINCH), dummy_handler)
signal_state.restore()
self.assertNotEqual(signal.getsignal(signal.SIGWINCH), dummy_handler)
