def test_monitor_blocking(self):
# Initially there's no active greenlet and no switches,
# so nothing is considered blocked
from gevent.events import subscribers
from gevent.events import IEventLoopBlocked
from zope.interface.verify import verifyObject
events = []
subscribers.append(events.append)
self.assertFalse(self.pmt.monitor_blocking(self.hub))
# Give it an active greenlet
origin = object()
target = object()
self.pmt.greenlet_trace('switch', (origin, target))
# We've switched, so we're not blocked
self.assertFalse(self.pmt.monitor_blocking(self.hub))
self.assertFalse(events)
# Again without switching is a problem.
self.assertTrue(self.pmt.monitor_blocking(self.hub))
self.assertTrue(events)
verifyObject(IEventLoopBlocked, events[0])
del events[:]
# But we can order it not to be a problem
self.pmt.ignore_current_greenlet_blocking()
self.assertFalse(self.pmt.monitor_blocking(self.hub))
self.assertFalse(events)
# And back again
self.pmt.monitor_current_greenlet_blocking()
self.assertTrue(self.pmt.monitor_blocking(self.hub))
# A bad thread_ident in the hub doesn't mess things up
self.hub.thread_ident = -1
self.assertTrue(self.pmt.monitor_blocking(self.hub))
def test_monitor_blocking(self):
# Initially there's no active greenlet and no switches,
# so nothing is considered blocked
from gevent.events import subscribers
from gevent.events import IEventLoopBlocked
events = []
subscribers.append(events.append)
self.assertFalse(self.pmt.monitor_blocking(self.hub))
# Give it an active greenlet
origin = object()
target = object()
self.pmt._greenlet_tracer('switch', (origin, target))
# We've switched, so we're not blocked
self.assertFalse(self.pmt.monitor_blocking(self.hub))
self.assertFalse(events)
# Again without switching is a problem.
self.assertTrue(self.pmt.monitor_blocking(self.hub))
self.assertTrue(events)
verify.verifyObject(IEventLoopBlocked, events[0])
del events[:]
# But we can order it not to be a problem
self.pmt.ignore_current_greenlet_blocking()
self.assertFalse(self.pmt.monitor_blocking(self.hub))
self.assertFalse(events)
# And back again
self.pmt.monitor_current_greenlet_blocking()
self.assertTrue(self.pmt.monitor_blocking(self.hub))
# A bad thread_ident in the hub doesn't mess things up
self.hub.thread_ident = -1
self.assertTrue(self.pmt.monitor_blocking(self.hub))
