diff options
Diffstat (limited to 'Lib/test/test_selectors.py')
-rw-r--r-- | Lib/test/test_selectors.py | 62 |
1 files changed, 49 insertions, 13 deletions
diff --git a/Lib/test/test_selectors.py b/Lib/test/test_selectors.py index 952fda6c69..454c17be99 100644 --- a/Lib/test/test_selectors.py +++ b/Lib/test/test_selectors.py @@ -9,10 +9,7 @@ from test import support from time import sleep import unittest import unittest.mock -try: - from time import monotonic as time -except ImportError: - from time import time as time +from time import monotonic as time try: import resource except ImportError: @@ -25,7 +22,7 @@ else: def socketpair(family=socket.AF_INET, type=socket.SOCK_STREAM, proto=0): with socket.socket(family, type, proto) as l: l.bind((support.HOST, 0)) - l.listen(3) + l.listen() c = socket.socket(family, type, proto) try: c.connect(l.getsockname()) @@ -188,8 +185,8 @@ class BaseSelectorTestCase(unittest.TestCase): s.register(wr, selectors.EVENT_WRITE) s.close() - self.assertRaises(KeyError, s.get_key, rd) - self.assertRaises(KeyError, s.get_key, wr) + self.assertRaises(RuntimeError, s.get_key, rd) + self.assertRaises(RuntimeError, s.get_key, wr) self.assertRaises(KeyError, mapping.__getitem__, rd) self.assertRaises(KeyError, mapping.__getitem__, wr) @@ -258,8 +255,8 @@ class BaseSelectorTestCase(unittest.TestCase): sel.register(rd, selectors.EVENT_READ) sel.register(wr, selectors.EVENT_WRITE) - self.assertRaises(KeyError, s.get_key, rd) - self.assertRaises(KeyError, s.get_key, wr) + self.assertRaises(RuntimeError, s.get_key, rd) + self.assertRaises(RuntimeError, s.get_key, wr) def test_fileno(self): s = self.SELECTOR() @@ -360,7 +357,35 @@ class BaseSelectorTestCase(unittest.TestCase): @unittest.skipUnless(hasattr(signal, "alarm"), "signal.alarm() required for this test") - def test_select_interrupt(self): + def test_select_interrupt_exc(self): + s = self.SELECTOR() + self.addCleanup(s.close) + + rd, wr = self.make_socketpair() + + class InterruptSelect(Exception): + pass + + def handler(*args): + raise InterruptSelect + + orig_alrm_handler = signal.signal(signal.SIGALRM, handler) + self.addCleanup(signal.signal, signal.SIGALRM, orig_alrm_handler) + self.addCleanup(signal.alarm, 0) + + signal.alarm(1) + + s.register(rd, selectors.EVENT_READ) + t = time() + # select() is interrupted by a signal which raises an exception + with self.assertRaises(InterruptSelect): + s.select(30) + # select() was interrupted before the timeout of 30 seconds + self.assertLess(time() - t, 5.0) + + @unittest.skipUnless(hasattr(signal, "alarm"), + "signal.alarm() required for this test") + def test_select_interrupt_noraise(self): s = self.SELECTOR() self.addCleanup(s.close) @@ -374,8 +399,11 @@ class BaseSelectorTestCase(unittest.TestCase): s.register(rd, selectors.EVENT_READ) t = time() - self.assertFalse(s.select(2)) - self.assertLess(time() - t, 2.5) + # select() is interrupted by a signal, but the signal handler doesn't + # raise an exception, so select() should by retries with a recomputed + # timeout + self.assertFalse(s.select(1.5)) + self.assertGreaterEqual(time() - t, 1.0) class ScalableSelectorMixIn: @@ -455,10 +483,18 @@ class KqueueSelectorTestCase(BaseSelectorTestCase, ScalableSelectorMixIn): SELECTOR = getattr(selectors, 'KqueueSelector', None) +@unittest.skipUnless(hasattr(selectors, 'DevpollSelector'), + "Test needs selectors.DevpollSelector") +class DevpollSelectorTestCase(BaseSelectorTestCase, ScalableSelectorMixIn): + + SELECTOR = getattr(selectors, 'DevpollSelector', None) + + + def test_main(): tests = [DefaultSelectorTestCase, SelectSelectorTestCase, PollSelectorTestCase, EpollSelectorTestCase, - KqueueSelectorTestCase] + KqueueSelectorTestCase, DevpollSelectorTestCase] support.run_unittest(*tests) support.reap_children() |