def setUp(self):
self.emitter = EventEmitter()
self.result = None
def setUp(self):
self.emitter = EventEmitter()
self.result = None
class TestEventEmitter:
def setUp(self):
self.emitter = EventEmitter()
self.result = None
def tearDown(self):
pass
def test_add_remove(self):
assert_equal(self.emitter.listeners('test'), [])
assert_equal(self.emitter.on('test', 1), self.emitter)
assert_equal(self.emitter.listeners('test'), [1])
assert_equal(self.emitter.on('test', 2), self.emitter)
assert_equal(self.emitter.listeners('test'), [1, 2])
assert_equal(self.emitter.add_listener('test', 3), self.emitter)
assert_equal(self.emitter.listeners('test'), [1, 2, 3])
assert_equal(self.emitter.add_listener('test', 4), self.emitter)
assert_equal(self.emitter.listeners('test'), [1, 2, 3, 4])
assert_equal(self.emitter.remove_listener('test', 3), self.emitter)
assert_equal(self.emitter.listeners('test'), [1, 2, 4])
assert_equal(self.emitter.remove_all_listeners('test'), self.emitter)
assert_equal(self.emitter.listeners('test'), [])
for i in range(11):
self.emitter.on('test', i)
assert_equal(self.emitter.listeners('test'), range(11))
def test_emit(self):
assert self.result is None, "self.result is not None"
def test(this):
this.result = 1
self.emitter.on('test', test)
assert_equal(self.emitter.listeners('test'), [test])
assert_equal(self.emitter.emit('test', self), self.emitter)
assert_equal(self.emitter.listeners('test'), [test])
assert_equal(self.result, 1)
def test_once(self):
assert self.result is None, "self.result is not None"
def test(this):
if this.result is None:
this.result = 0
this.result += 1
assert_equal(self.emitter.on('test', test), self.emitter)
assert_equal(self.emitter.once('test', test), self.emitter)
assert_equal(self.emitter.listeners('test')[0], test)
assert_equal(len(self.emitter.listeners('test')), 2)
self.emitter.emit('test', self)
assert_equal(self.result, 2)
assert_equal(self.emitter.listeners('test'), [test])
self.emitter.emit('test', self)
assert_equal(self.result, 3)
assert_equal(self.emitter.listeners('test'), [test])
def test_max_listeners(self):
assert_equal(self.emitter._max_listeners, 10)
assert_equal(self.emitter.set_max_listeners(12), self.emitter)
assert_equal(self.emitter._max_listeners, 12)
def test_remove_notthere(self):
assert_equal(self.emitter.listeners('test'), [])
try:
assert_equal(self.emitter.remove_listener('test', 2), self.emitter)
except ValueError:
assert False, "Threw an error when trying to remove a non-existent listener"
class TestEventEmitter:
def setUp(self):
self.emitter = EventEmitter()
self.result = None
def tearDown(self):
pass
def test_add_remove(self):
assert_equal(self.emitter.listeners('test'), [])
assert_equal(self.emitter.on('test', 1), self.emitter)
assert_equal(self.emitter.listeners('test'), [1])
assert_equal(self.emitter.on('test', 2), self.emitter)
assert_equal(self.emitter.listeners('test'), [1,2])
assert_equal(self.emitter.add_listener('test', 3), self.emitter)
assert_equal(self.emitter.listeners('test'), [1,2,3])
assert_equal(self.emitter.add_listener('test', 4), self.emitter)
assert_equal(self.emitter.listeners('test'), [1,2,3,4])
assert_equal(self.emitter.remove_listener('test', 3), self.emitter)
assert_equal(self.emitter.listeners('test'), [1,2,4])
assert_equal(self.emitter.remove_all_listeners('test'), self.emitter)
assert_equal(self.emitter.listeners('test'), [])
for i in range(11):
self.emitter.on('test', i)
assert_equal(self.emitter.listeners('test'), range(11))
def test_emit(self):
assert self.result is None, "self.result is not None"
def test(this):
this.result = 1
self.emitter.on('test', test)
assert_equal(self.emitter.listeners('test'), [test])
assert_equal(self.emitter.emit('test', self), self.emitter)
assert_equal(self.emitter.listeners('test'), [test])
assert_equal(self.result, 1)
def test_once(self):
assert self.result is None, "self.result is not None"
def test(this):
if this.result is None:
this.result = 0
this.result += 1
assert_equal(self.emitter.on('test', test), self.emitter)
assert_equal(self.emitter.once('test', test), self.emitter)
assert_equal(self.emitter.listeners('test')[0], test)
assert_equal(len(self.emitter.listeners('test')), 2)
self.emitter.emit('test', self)
assert_equal(self.result, 2)
assert_equal(self.emitter.listeners('test'), [test])
self.emitter.emit('test', self)
assert_equal(self.result, 3)
assert_equal(self.emitter.listeners('test'), [test])
def test_max_listeners(self):
assert_equal(self.emitter._max_listeners, 10)
assert_equal(self.emitter.set_max_listeners(12), self.emitter)
assert_equal(self.emitter._max_listeners, 12)
def test_remove_notthere(self):
assert_equal(self.emitter.listeners('test'), [])
try:
assert_equal(self.emitter.remove_listener('test', 2), self.emitter)
except ValueError:
assert False, "Threw an error when trying to remove a non-existent listener"