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import sys
import pytest
try:
import multiprocessing
_HASMP = True
except ImportError:
_HASMP = False
from sdl2.ext import events
def mp_do_nothing(sender, *args):
# Does nothing
pass
class TestSDL2ExtEvents(object):
__tags__ = ["sdl2ext"]
def test_EventHandler(self):
with pytest.raises(TypeError):
events.EventHandler()
assert isinstance(events.EventHandler(None), events.EventHandler)
assert isinstance(events.EventHandler(132), events.EventHandler)
assert isinstance(events.EventHandler("Test"), events.EventHandler)
ev = events.EventHandler(None)
assert ev.sender == None
ev = events.EventHandler("Test")
assert ev.sender == "Test"
assert len(ev) == 0
assert len(ev.callbacks) == 0
def test_EventHandler_add__iadd__(self):
ev = events.EventHandler(None)
def doadd(ev, cb):
ev += cb
def callback():
pass
with pytest.raises(TypeError):
doadd(ev, None)
with pytest.raises(TypeError):
doadd(ev, "Test")
with pytest.raises(TypeError):
doadd(ev, 1234)
assert len(ev) == 0
ev += callback
assert len(ev) == 1
for x in range(4):
ev += callback
assert len(ev) == 5
with pytest.raises(TypeError):
ev.add(None)
with pytest.raises(TypeError):
ev.add("Test")
with pytest.raises(TypeError):
ev.add(1234)
assert len(ev) == 5
ev.add(callback)
assert len(ev) == 6
for x in range(4):
ev.add(callback)
assert len(ev) == 10
def test_EventHandler_remove__isub__(self):
ev = events.EventHandler(None)
def doremove(ev, cb):
ev -= cb
def callback():
pass
for x in range(10):
ev += callback
assert len(ev) == 10
with pytest.raises(TypeError):
ev.remove()
for invval in ("Test", None, 1234):
with pytest.raises(ValueError):
ev.remove(invval)
with pytest.raises(ValueError):
doremove(ev, invval)
assert len(ev) == 10
ev.remove(callback)
assert len(ev) == 9
ev -= callback
assert len(ev) == 8
for x in range(3):
ev.remove(callback)
ev -= callback
assert len(ev) == 2
def test_EventHandler__call__(self):
ev = events.EventHandler("Test")
testsum = []
def callback(sender, sumval):
assert sender == "Test"
sumval.append(1)
for x in range(10):
ev += callback
assert len(ev) == 10
results = ev(testsum)
assert len(testsum) == 10
for v in testsum:
assert v == 1
assert len(results) == 10
for v in results:
assert v is None
@pytest.mark.skipif(not _HASMP, reason="multiprocessing is not supported")
def test_MPEventHandler(self):
with pytest.raises(TypeError):
events.MPEventHandler()
assert isinstance(events.MPEventHandler(None), events.MPEventHandler)
assert isinstance(events.MPEventHandler(132), events.MPEventHandler)
assert isinstance(events.MPEventHandler("Test"), events.MPEventHandler)
ev = events.MPEventHandler(None)
assert ev.sender == None
ev = events.MPEventHandler("Test")
assert ev.sender == "Test"
assert len(ev) == 0
assert len(ev.callbacks) == 0
@pytest.mark.skipif(not _HASMP, reason="multiprocessing is not supported")
def test_MPEventHandler_add__iadd__(self):
ev = events.MPEventHandler(None)
def doadd(ev, cb):
ev += cb
def callback():
pass
with pytest.raises(TypeError):
doadd(ev, None)
with pytest.raises(TypeError):
doadd(ev, "Test")
with pytest.raises(TypeError):
doadd(ev, 1234)
assert len(ev) == 0
ev += callback
assert len(ev) == 1
for x in range(4):
ev += callback
assert len(ev) == 5
with pytest.raises(TypeError):
ev.add(None)
with pytest.raises(TypeError):
ev.add("Test")
with pytest.raises(TypeError):
ev.add(1234)
assert len(ev) == 5
ev.add(callback)
assert len(ev) == 6
for x in range(4):
ev.add(callback)
assert len(ev) == 10
@pytest.mark.skipif(not _HASMP, reason="multiprocessing is not supported")
def test_MPEventHandler_remove__isub__(self):
ev = events.MPEventHandler(None)
def doremove(ev, cb):
ev -= cb
def callback():
pass
for x in range(10):
ev += callback
assert len(ev) == 10
with pytest.raises(TypeError):
ev.remove()
for invval in ("Test", None, 1234):
with pytest.raises(ValueError):
ev.remove(invval)
with pytest.raises(ValueError):
doremove(ev, invval)
assert len(ev) == 10
ev.remove(callback)
assert len(ev) == 9
ev -= callback
assert len(ev) == 8
for x in range(3):
ev.remove(callback)
ev -= callback
assert len(ev) == 2
@pytest.mark.skipif(not _HASMP, reason="multiprocessing is not supported")
@pytest.mark.skipif(sys.platform == "win32",
reason="relative import will create a fork bomb")
def test_MPEventHandler__call__(self):
ev = events.MPEventHandler("Test")
for x in range(10):
ev += mp_do_nothing
assert len(ev) == 10
results = ev().get(timeout=1)
assert len(results) == 10
for v in results:
assert v is None
results = ev("Test", 1234, "MoreArgs").get(timeout=1)
assert len(results) == 10
for v in results:
assert v is None
|
