def test_event_mask_defaults_to_input_and_error():
selector = Selector()
ev1 = Semaphore(blocking=False)
with selector, ev1:
selector.add(ev1)
ev1.signal()
selector.wait(timeout=0)
assert selector.ready == ev1
assert selector.has_input == True
def test_can_use_a_different_value_to_identify_the_event_source():
selector = Selector()
ev1 = Semaphore(blocking=False)
with selector, ev1:
selector.add(ev1, INPUT, identifier=999)
ev1.signal()
selector.wait()
assert selector.ready == 999
def test_event_mask_defaults_to_input_and_error():
with Selector() as selector:
ev1 = Semaphore(blocking=False)
selector.add(ev1)
ev1.signal()
selector.wait(timeout=0)
assert selector.ready == ev1
assert selector.has_input == True
def test_can_use_a_different_value_to_identify_the_event_source():
selector = Selector()
ev1 = Semaphore(blocking=False)
with selector, ev1:
selector.add(ev1, INPUT, identifier=999)
ev1.signal()
selector.wait()
assert selector.ready == 999
def test_can_remove_source_from_selector():
selector = Selector()
ev1 = Semaphore(blocking=False)
with selector, ev1:
selector.add(ev1, INPUT)
ev1.signal()
selector.wait(timeout=0)
assert selector.ready == ev1
selector.remove(ev1)
selector.wait(timeout=0)
assert selector.ready == None
def test_selector_is_a_convenient_api_to_epoll():
selector = Selector()
ev1 = Semaphore(blocking=False)
with selector, ev1:
selector.add(ev1, INPUT)
ev1.signal()
selector.wait()
assert selector.ready == ev1
assert selector.has_input == True
assert selector.has_output == False
assert selector.has_error == False
assert selector.has_hangup == False
assert selector.has_priority_input == False
def test_can_remove_source_from_selector():
selector = Selector()
ev1 = Semaphore(blocking=False)
with selector, ev1:
selector.add(ev1, INPUT)
ev1.signal()
selector.wait(timeout=0)
assert selector.ready == ev1
selector.remove(ev1)
selector.wait(timeout=0)
assert selector.ready == None
def test_selector_is_a_convenient_api_to_epoll():
selector = Selector()
ev1 = Semaphore(blocking=False)
with selector, ev1:
selector.add(ev1, INPUT)
ev1.signal()
selector.wait()
assert selector.ready == ev1
assert selector.has_input == True
assert selector.has_output == False
assert selector.has_error == False
assert selector.has_hangup == False
assert selector.has_priority_input == False
def test_selecting_from_multiple_event_sources():
selector = Selector()
ev1 = Semaphore(blocking=False)
ev2 = Semaphore(blocking=False)
with selector, ev1, ev2:
selector.add(ev1, INPUT)
selector.add(ev2, INPUT)
ev1.signal()
ev2.signal()
selector.wait()
first = selector.ready
first.wait()
selector.wait()
second = selector.ready
second.wait()
assert first in (ev1, ev2)
assert second in (ev1, ev2)
assert first is not second
def test_selecting_from_multiple_event_sources():
selector = Selector()
ev1 = Semaphore(blocking=False)
ev2 = Semaphore(blocking=False)
with selector, ev1, ev2:
selector.add(ev1, INPUT)
selector.add(ev2, INPUT)
ev1.signal()
ev2.signal()
selector.wait()
first = selector.ready
first.wait()
selector.wait()
second = selector.ready
second.wait()
assert first in (ev1, ev2)
assert second in (ev1, ev2)
assert first is not second
