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from __future__ import absolute_import, print_function, division import sys import unittest import gevent.testing as greentest from gevent import core class TestCore(unittest.TestCase): def test_get_version(self): version = core.get_version() # pylint: disable=no-member self.assertIsInstance(version, str) self.assertTrue(version) header_version = core.get_header_version() # pylint: disable=no-member self.assertIsInstance(header_version, str) self.assertTrue(header_version) self.assertEqual(version, header_version) class TestWatchers(unittest.TestCase): def _makeOne(self): return core.loop() # pylint:disable=no-member def destroyOne(self, loop): loop.destroy() def setUp(self): self.loop = self._makeOne() def tearDown(self): self.destroyOne(self.loop) del self.loop def test_io(self): if sys.platform == 'win32': # libev raises IOError, libuv raises ValueError Error = (IOError, ValueError) win32 = True else: Error = ValueError win32 = False with self.assertRaises(Error): self.loop.io(-1, 1) if hasattr(core, 'TIMER'): # libev with self.assertRaises(ValueError): self.loop.io(1, core.TIMER) # pylint:disable=no-member # Test we can set events and io before it's started if not win32: # We can't do this with arbitrary FDs on windows; # see libev_vfd.h io = self.loop.io(1, core.READ) # pylint:disable=no-member io.fd = 2 self.assertEqual(io.fd, 2) io.events = core.WRITE # pylint:disable=no-member if not hasattr(core, 'libuv'): # libev # pylint:disable=no-member self.assertEqual(core._events_to_str(io.events), 'WRITE|_IOFDSET') else: self.assertEqual(core._events_to_str(io.events), # pylint:disable=no-member 'WRITE') io.start(lambda: None) io.close() @greentest.skipOnLibev("libuv-specific") @greentest.skipOnWindows("Destroying the loop somehow fails") def test_io_multiplex_events(self): # pylint:disable=no-member import socket sock = socket.socket() fd = sock.fileno() read = self.loop.io(fd, core.READ) write = self.loop.io(fd, core.WRITE) try: real_watcher = read._watcher_ref read.start(lambda: None) self.assertEqual(real_watcher.events, core.READ) write.start(lambda: None) self.assertEqual(real_watcher.events, core.READ | core.WRITE) write.stop() self.assertEqual(real_watcher.events, core.READ) write.start(lambda: None) self.assertEqual(real_watcher.events, core.READ | core.WRITE) read.stop() self.assertEqual(real_watcher.events, core.WRITE) write.stop() self.assertEqual(real_watcher.events, 0) finally: read.close() write.close() sock.close() def test_timer_constructor(self): with self.assertRaises(ValueError): self.loop.timer(1, -1) def test_signal_constructor(self): with self.assertRaises(ValueError): self.loop.signal(1000) class TestWatchersDefault(TestWatchers): def _makeOne(self): return core.loop(default=True) # pylint:disable=no-member def destroyOne(self, loop): return # XXX: The crash may be fixed? The hang showed up after the crash was # reproduced and fixed on linux and OS X. @greentest.skipOnLibuvOnWin( "This crashes with PyPy 5.10.0, only on Windows. " "See https://ci.appveyor.com/project/denik/gevent/build/1.0.1380/job/lrlvid6mkjtyrhn5#L1103 " "It has also timed out, but only on Appveyor CPython 3.6; local CPython 3.6 does not. " "See https://ci.appveyor.com/project/denik/gevent/build/1.0.1414/job/yn7yi8b53vtqs8lw#L1523") class TestWatchersDefaultDestroyed(TestWatchers): def _makeOne(self): # pylint: disable=no-member l = core.loop(default=True) l.destroy() del l return core.loop(default=True) @greentest.skipOnLibuv("Tests for libev-only functions") class TestLibev(unittest.TestCase): def test_flags_conversion(self): # pylint: disable=no-member if sys.platform != 'win32': self.assertEqual(core.loop(2, default=False).backend_int, 2) self.assertEqual(core.loop('select', default=False).backend, 'select') self.assertEqual(core._flags_to_int(None), 0) self.assertEqual(core._flags_to_int(['kqueue', 'SELECT']), core.BACKEND_KQUEUE | core.BACKEND_SELECT) self.assertEqual(core._flags_to_list(core.BACKEND_PORT | core.BACKEND_POLL), ['port', 'poll']) self.assertRaises(ValueError, core.loop, ['port', 'blabla']) self.assertRaises(TypeError, core.loop, object()) class TestEvents(unittest.TestCase): def test_events_conversion(self): self.assertEqual(core._events_to_str(core.READ | core.WRITE), # pylint: disable=no-member 'READ|WRITE') def test_EVENTS(self): self.assertEqual(str(core.EVENTS), # pylint: disable=no-member 'gevent.core.EVENTS') self.assertEqual(repr(core.EVENTS), # pylint: disable=no-member 'gevent.core.EVENTS') if __name__ == '__main__': greentest.main()