def test_EventHandler(self):
self.assertRaises(TypeError, events.EventHandler)
self.assertIsInstance(events.EventHandler(None), events.EventHandler)
self.assertIsInstance(events.EventHandler(132), events.EventHandler)
self.assertIsInstance(events.EventHandler("Test"), events.EventHandler)
ev = events.EventHandler(None)
self.assertEqual(ev.sender, None)
ev = events.EventHandler("Test")
self.assertEqual(ev.sender, "Test")
self.assertEqual(len(ev), 0)
self.assertEqual(len(ev.callbacks), 0)
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
self.assertEqual(len(ev), 10)
self.assertRaises(TypeError, ev.remove)
for invval in ("Test", None, 1234, self.assertEqual):
self.assertRaises(ValueError, ev.remove, invval)
self.assertRaises(ValueError, doremove, ev, invval)
self.assertEqual(len(ev), 10)
ev.remove(callback)
self.assertEqual(len(ev), 9)
ev -= callback
self.assertEqual(len(ev), 8)
for x in range(3):
ev.remove(callback)
ev -= callback
self.assertEqual(len(ev), 2)
def test_EventHandler_add__iadd__(self):
ev = events.EventHandler(None)
def doadd(ev, cb):
ev += cb
def callback():
pass
self.assertRaises(TypeError, doadd, ev, None)
self.assertRaises(TypeError, doadd, ev, "Test")
self.assertRaises(TypeError, doadd, ev, 1234)
self.assertEqual(len(ev), 0)
ev += callback
self.assertEqual(len(ev), 1)
for x in range(4):
ev += callback
self.assertEqual(len(ev), 5)
self.assertRaises(TypeError, ev.add, None)
self.assertRaises(TypeError, ev.add, "Test")
self.assertRaises(TypeError, ev.add, 1234)
self.assertEqual(len(ev), 5)
ev.add(callback)
self.assertEqual(len(ev), 6)
for x in range(4):
ev.add(callback)
self.assertEqual(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):
self.assertEqual(sender, "Test")
sumval.append(1)
for x in range(10):
ev += callback
self.assertEqual(len(ev), 10)
results = ev(testsum)
self.assertEqual(len(testsum), 10)
for v in testsum:
self.assertEqual(v, 1)
self.assertEqual(len(results), 10)
for v in results:
self.assertIsNone(v)
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
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
