def test_off__11():
"""
Returns True if trying to detach a non-existent listener.
"""
emitter = Emitter()
emitter.on("event", callable)
assert emitter.off("event", bool) is True
def test_off__10():
"""
Returns True if the specified event has been deleted.
"""
emitter = Emitter()
emitter.on("event", callable)
assert emitter.off("event") is True
def test_off__12():
"""
Returns True if the specified listener has been detached.
"""
emitter = Emitter()
emitter.on("event", callable)
assert emitter.off("event", callable) is True
def test_events__4():
"""
True event can be retrieved.
"""
emitter = Emitter()
emitter.on(True, callable)
assert True in emitter.events()
def test_off__12():
"""
Returns True if the specified listener has been detached.
"""
emitter = Emitter()
emitter.on("event", callable)
assert emitter.off("event", callable) is True
def test_events__4():
"""
True event can be retrieved.
"""
emitter = Emitter()
emitter.on(True, callable)
assert True in emitter.events()
def test_events__3():
"""
False event can be retrieved.
"""
emitter = Emitter()
emitter.on(False, callable)
assert False in emitter.events()
def test_listeners__6():
"""
Should not return the original object, but a copy.
"""
emitter = Emitter()
emitter.on("event", callable)
assert emitter.listeners("event") is not emitter.listeners("event")
def test_events__5():
"""
Should not return the original object, but a copy.
"""
emitter = Emitter()
emitter.on("event", callable)
assert emitter.events() is not emitter.events()
def test_listeners__4():
"""
Get the listeners for the False event.
"""
emitter = Emitter()
emitter.on(False, callable)
assert callable in emitter.listeners(False)
def test_listeners__5():
"""
Get the listeners for the True event.
"""
emitter = Emitter()
emitter.on(True, callable)
assert callable in emitter.listeners(True)
def test_off__10():
"""
Returns True if the specified event has been deleted.
"""
emitter = Emitter()
emitter.on("event", callable)
assert emitter.off("event") is True
def test_listeners__6():
"""
Should not return the original object, but a copy.
"""
emitter = Emitter()
emitter.on("event", callable)
assert emitter.listeners("event") is not emitter.listeners("event")
def test_events__3():
"""
False event can be retrieved.
"""
emitter = Emitter()
emitter.on(False, callable)
assert False in emitter.events()
def test_off__11():
"""
Returns True if trying to detach a non-existent listener.
"""
emitter = Emitter()
emitter.on("event", callable)
assert emitter.off("event", bool) is True
def test_listeners__4():
"""
Get the listeners for the False event.
"""
emitter = Emitter()
emitter.on(False, callable)
assert callable in emitter.listeners(False)
def test_listeners__5():
"""
Get the listeners for the True event.
"""
emitter = Emitter()
emitter.on(True, callable)
assert callable in emitter.listeners(True)
def test_events__5():
"""
Should not return the original object, but a copy.
"""
emitter = Emitter()
emitter.on("event", callable)
assert emitter.events() is not emitter.events()
def test_on__3():
"""
False is a valid event.
"""
emitter = Emitter()
emitter.on(False, callable)
assert False in emitter.events()
def test_on__5():
"""
A listener must be callable.
"""
emitter = Emitter()
with pytest.raises(TypeError):
emitter.on("event", "")
def test_on__4():
"""
A string is a valid event.
"""
emitter = Emitter()
emitter.on("event", callable)
assert "event" in emitter.events()
def test_emit__5():
"""
Returns True when emitting an event.
"""
emitter = Emitter()
emitter.on("event", callable)
result = emitter.emit("event")
assert result is True
def test_off__8():
"""
Returns True if all events are deleted.
"""
emitter = Emitter()
emitter.on("event1", callable)
emitter.on("event2", callable)
assert emitter.off() is True
def test_on__2():
"""
True is a valid event.
"""
emitter = Emitter()
emitter.on(True, callable)
assert True in emitter.events()
def test_on__1():
"""
User cannot register a None event.
"""
emitter = Emitter()
with pytest.raises(ValueError):
emitter.on(None, callable)
def test_on__4():
"""
A string is a valid event.
"""
emitter = Emitter()
emitter.on("event", callable)
assert "event" in emitter.events()
def test_on__1():
"""
User cannot register a None event.
"""
emitter = Emitter()
with pytest.raises(ValueError):
emitter.on(None, callable)
def test_on__5():
"""
A listener must be callable.
"""
emitter = Emitter()
with pytest.raises(TypeError):
emitter.on("event", "")
def test_on__2():
"""
True is a valid event.
"""
emitter = Emitter()
emitter.on(True, callable)
assert True in emitter.events()
def test_off__8():
"""
Returns True if all events are deleted.
"""
emitter = Emitter()
emitter.on("event1", callable)
emitter.on("event2", callable)
assert emitter.off() is True
def test_emit__5():
"""
Returns True when emitting an event.
"""
emitter = Emitter()
emitter.on("event", callable)
result = emitter.emit("event")
assert result is True
def test_on__3():
"""
False is a valid event.
"""
emitter = Emitter()
emitter.on(False, callable)
assert False in emitter.events()
def test_off__1():
"""
Called with no arguments, it removes all the events.
"""
emitter = Emitter()
emitter.on("raccoon", callable)
emitter.on("fox", callable)
emitter.off()
assert emitter.events() == set()
def test_emit__7():
"""
False event can be emitted.
"""
emitter = Emitter()
l = []
emitter.on(False, lambda: l.append(1))
emitter.emit(False)
assert 1 in l
def test_off__1():
"""
Called with no arguments, it removes all the events.
"""
emitter = Emitter()
emitter.on("raccoon", callable)
emitter.on("fox", callable)
emitter.off()
assert emitter.events() == set()
def test_emit__8():
"""
True event can be emitted.
"""
emitter = Emitter()
l = []
emitter.on(True, lambda: l.append(1))
emitter.emit(True)
assert 1 in l
def test_emit__7():
"""
False event can be emitted.
"""
emitter = Emitter()
l = []
emitter.on(False, lambda: l.append(1))
emitter.emit(False)
assert 1 in l
def test_emit__8():
"""
True event can be emitted.
"""
emitter = Emitter()
l = []
emitter.on(True, lambda: l.append(1))
emitter.emit(True)
assert 1 in l
def test_events__2():
"""
Returns a set containing all the registered events.
"""
emitter = Emitter()
emitter.on("event1", callable)
emitter.on("event2", callable)
emitter.on("event3", callable)
events = emitter.events()
assert events == {"event1", "event2", "event3"}
def test_off__6():
"""
A listener of the False event can be removed.
"""
emitter = Emitter()
emitter.on(False, callable)
assert callable in emitter.listeners(False)
emitter.off(False, callable)
assert callable not in emitter.listeners(False)
def test_off__4():
"""
False event can be removed.
"""
emitter = Emitter()
emitter.on(False, callable)
assert False in emitter.events()
emitter.off(False)
assert False not in emitter.events()
def test_off__5():
"""
True event can be removed.
"""
emitter = Emitter()
emitter.on(True, callable)
assert True in emitter.events()
emitter.off(True)
assert True not in emitter.events()
def test_events__2():
"""
Returns a set containing all the registered events.
"""
emitter = Emitter()
emitter.on("event1", callable)
emitter.on("event2", callable)
emitter.on("event3", callable)
events = emitter.events()
assert events == {"event1", "event2", "event3"}
def test_emit__3():
"""
Only the listeners of the specified event should be triggered.
"""
emitter = Emitter()
l = []
emitter.on("event1", lambda: l.append(1))
emitter.on("event2", lambda: l.append(2))
emitter.emit("event1")
assert l == [1]
def test_off__7():
"""
A listener of the True event can be removed.
"""
emitter = Emitter()
emitter.on(True, callable)
assert callable in emitter.listeners(True)
emitter.off(True, callable)
assert callable not in emitter.listeners(True)
def test_off__13():
"""
Delete the event if no more listeners.
"""
emitter = Emitter()
emitter.on("event", callable)
assert "event" in emitter.events()
emitter.off("event", callable)
assert emitter.events() == set()
def test_off__13():
"""
Delete the event if no more listeners.
"""
emitter = Emitter()
emitter.on("event", callable)
assert "event" in emitter.events()
emitter.off("event", callable)
assert emitter.events() == set()
def test_off__6():
"""
A listener of the False event can be removed.
"""
emitter = Emitter()
emitter.on(False, callable)
assert callable in emitter.listeners(False)
emitter.off(False, callable)
assert callable not in emitter.listeners(False)
def test_emit__3():
"""
Only the listeners of the specified event should be triggered.
"""
emitter = Emitter()
l = []
emitter.on("event1", lambda: l.append(1))
emitter.on("event2", lambda: l.append(2))
emitter.emit("event1")
assert l == [1]
def test_off__7():
"""
A listener of the True event can be removed.
"""
emitter = Emitter()
emitter.on(True, callable)
assert callable in emitter.listeners(True)
emitter.off(True, callable)
assert callable not in emitter.listeners(True)
def test_off__5():
"""
True event can be removed.
"""
emitter = Emitter()
emitter.on(True, callable)
assert True in emitter.events()
emitter.off(True)
assert True not in emitter.events()
def test_off__4():
"""
False event can be removed.
"""
emitter = Emitter()
emitter.on(False, callable)
assert False in emitter.events()
emitter.off(False)
assert False not in emitter.events()
def test_on__7():
"""
Multiple listeners can be registered for an event.
"""
emitter = Emitter()
emitter.on("event", callable)
emitter.on("event", bool)
assert callable in emitter.listeners("event")
assert bool in emitter.listeners("event")
def test_on__6():
"""
Multiple events can be registered.
"""
emitter = Emitter()
emitter.on("event1", callable)
emitter.on("event2", callable)
assert "event1" in emitter.events()
assert "event2" in emitter.events()
def test_emit__1():
"""
All the listeners of an event must be triggered.
"""
emitter = Emitter()
l = []
emitter.on("event", lambda: l.append(1))
emitter.on("event", lambda: l.append(1))
emitter.on("event", lambda: l.append(1))
emitter.emit("event")
assert len(l) == 3
def test_emit__2():
"""
Listeners are triggered in order of insertion.
"""
emitter = Emitter()
l = []
emitter.on("event", lambda: l.append(1))
emitter.on("event", lambda: l.append(2))
emitter.on("event", lambda: l.append(3))
emitter.emit("event")
assert l == [1, 2, 3]
def test_on__7():
"""
Multiple listeners can be registered for an event.
"""
emitter = Emitter()
emitter.on("event", callable)
emitter.on("event", bool)
assert callable in emitter.listeners("event")
assert bool in emitter.listeners("event")
def test_emit__1():
"""
All the listeners of an event must be triggered.
"""
emitter = Emitter()
l = []
emitter.on("event", lambda: l.append(1))
emitter.on("event", lambda: l.append(1))
emitter.on("event", lambda: l.append(1))
emitter.emit("event")
assert len(l) == 3
def test_emit__2():
"""
Listeners are triggered in order of insertion.
"""
emitter = Emitter()
l = []
emitter.on("event", lambda: l.append(1))
emitter.on("event", lambda: l.append(2))
emitter.on("event", lambda: l.append(3))
emitter.emit("event")
assert l == [1, 2, 3]
def test_on__6():
"""
Multiple events can be registered.
"""
emitter = Emitter()
emitter.on("event1", callable)
emitter.on("event2", callable)
assert "event1" in emitter.events()
assert "event2" in emitter.events()
