def setUp(self): self.event = Event(binding=self) self.value = 0
class TestEvent(unittest.TestCase):
def setUp(self):
self.event = Event(binding=self)
self.value = 0
def tearDown(self):
del self.event
def defaultCallback(self):
self.value += 1
def testEventAddition(self):
self.event.add('foo')
self.assertIn('foo', self.event.names)
self.assertIn('foo', self.event.events)
self.event.add(['foo', 'bar'])
self.assertEqual(2, len(self.event.names))
self.assertEqual(2, len(self.event.events))
def testEventFiring(self):
self.event.add('foo')
self.event.on('foo', self.defaultCallback)
self.event.fire('foo')
self.assertEqual(self.value, 1)
def testCallbackRemoval(self):
def cb1(self):
self.value += 1
def cb2(self):
self.value += 1
self.event.add('foo')
self.event.on('foo', cb1)
self.event.on('foo', cb2)
self.event.removeCallback('foo', cb1)
self.event.removeCallback('foo', cb2)
self.event.fire('foo')
self.assertEqual(self.value, 0)
def testEventClearing(self):
self.event.add('foo')
self.event.on('foo', self.defaultCallback)
self.event.on('foo', self.defaultCallback)
self.event.clear('foo')
self.assertEqual(self.value, 0)
def testArgumentsFromOn(self):
def cb(self, a):
self.assertEqual(a, 42)
self.event.add('foo')
self.event.on('foo', cb, args=[42])
def testArgumentsFromFire(self):
def cb(self, a):
self.assertEqual(a, 42)
self.event.add('foo')
self.event.on('foo', cb)
self.event.fire('foo', args=[42])
def testArgumentsFromBothSources(self):
def cb(self, a, b):
self.assertEqual(a, 42)
self.assertEqual(b, 3.14)
self.event.add('foo')
self.event.on('foo', cb, args=[42])
self.event.fire('foo', args=[3.14])
def testOneTimeEvents(self):
self.event.add('foo')
self.event.once('foo', self.defaultCallback)
for i in range(0, 5):
self.event.fire('foo')
self.assertEqual(self.value, 1)
def testForwarding(self):
class Unto():
pass
unto = Unto()
self.event.add(['foo bar', 'foo-bar-baz'])
self.event.forward(unto, forward=['on'])
self.assertTrue(hasattr(unto, 'onFooBar'))
self.assertTrue(hasattr(unto, 'onFooBarBaz'))
