def test_emit(capsys):
"""Test emitting a signal"""
signal = ss.Signal()
signal.connect(reflect)
signal.emit()
out, err = capsys.readouterr()
assert REFLECT_CALLED in out
def test_implicit_emit(capsys):
"""Test implicating emission of signal"""
signal = ss.Signal()
signal.connect(reflect)
signal()
out, err = capsys.readouterr()
assert REFLECT_CALLED in out
def test_single_shot():
"""Test single shot signals"""
signal = ss.Signal()
signal.connect(reflect, single_shot=True)
result = list(signal.call())
assert len(result) == 1
result = list(signal.call())
assert len(result) == 0
def test_call_method():
"""Test with method slots"""
signal = ss.Signal()
aclass = AClass()
signal.connect(aclass.set_and_reflect)
results = list(signal.call('hello', akeyword='look a keyword'))
assert len(results) == 1
assert results[0] == ('hello', )
assert aclass.kwargs == {'akeyword': 'look a keyword'}
def test_clear():
"""Test clearing all slots"""
signal = ss.Signal()
signal.connect(reflect)
result = list(signal.call())
assert len(result) == 1
signal.clear()
result = list(signal.call())
assert len(result) == 0
def test_disconnect():
"""Disconnect a slot"""
signal = ss.Signal()
signal.connect(reflect)
result = list(signal.call())
assert len(result) == 1
signal.disconnect(reflect)
result = list(signal.call())
assert len(result) == 0
def test_reduce():
"""Test reducing results to a single result"""
def another_list_append(inlist, new_item):
return list_append(inlist, new_item)
signal = ss.Signal(list_append, another_list_append)
a_list = []
result = signal.reduce(a_list, 'hello')
assert len(result) == 2
assert result[0] == ['hello', 'hello']
assert result[1] == 'hello'
def test_call():
"""Test calling a signal and getting results"""
def another_reflect(*args):
return reflect(*args)
signal = ss.Signal()
signal.connect(reflect)
signal.connect(another_reflect)
result = list(signal.call('hello'))
assert len(result) == 2
assert result[0] == ('hello', )
assert result[1] == ('hello', )
def test_disable():
"""Test disable/enable of a signal"""
signal = ss.Signal()
signal.connect(reflect)
signal.enabled = False
result = list(signal.call())
assert len(result) == 0
signal.enabled = True
result = list(signal.call())
assert len(result) == 1
signal.set_enabled(False, push=True)
result = list(signal.call())
assert len(result) == 0
signal.reset_enabled()
result = list(signal.call())
assert len(result) == 1
def test_basic_structure():
"""Test initialization and basic structure"""
signal = ss.Signal()
assert len(signal._slots) == 0