def setUp(self): self.eventemitter = EventEmitter() self._method_calls = []
class EventEmitterTest(unittest.TestCase):
def setUp(self):
self.eventemitter = EventEmitter()
self._method_calls = []
def _method(self, *args, **kwds):
self._method_calls.append((args, kwds))
def _exception_method(self, *args, **kwds):
raise ValueError("error")
def testOn(self):
self.eventemitter.on('test', self._method)
self.eventemitter.emit('test', "This is a test")
self.assertEqual(self._method_calls, [(("This is a test",), {})])
def testCallbackFailure(self):
self.eventemitter.on('test', self._exception_method)
self.eventemitter.emit('test', "This is a test")
self.assertEqual(self._method_calls, [])
def testOff(self):
self.eventemitter.on('test', self._method)
self.eventemitter.off('test', self._method)
self.eventemitter.emit('test', "This is a test")
self.assertEqual(self._method_calls, [])
def testOnce(self):
self.eventemitter.once('test', self._method)
self.eventemitter.emit('test', "This is a test")
self.assertEqual(self._method_calls, [(("This is a test",), {})])
self.eventemitter.emit('test', "This is a test")
self.assertEqual(self._method_calls, [(("This is a test",), {})])
def testCLear(self):
self.eventemitter.on('test', self._method)
self.eventemitter.clear()
self.eventemitter.emit('test', "This is a test")
self.assertEqual(self._method_calls, [])