def test_complement_failure1():
# Function raises an Exception
def failingfunction(x):
raise ValueError('bad function')
with pytest.raises(ValueError, match='bad function'):
complement(failingfunction)(1)
def test_traverse():
"""To test the traverse implementation we call gc.collect() while instances
of all the C objects are still valid."""
acc = iteration_utilities.accumulate([])
app = iteration_utilities.applyfunc(lambda x: x, 1)
cha = iteration_utilities.chained(int, float)
cla = iteration_utilities.clamp([], 0, 1)
com = iteration_utilities.complement(int)
con = iteration_utilities.constant(1)
dee = iteration_utilities.deepflatten([])
dup = iteration_utilities.duplicates([])
fli = iteration_utilities.flip(int)
gro = iteration_utilities.grouper([], 2)
ine = iteration_utilities.intersperse([], 1)
iik = iteration_utilities.ItemIdxKey(10, 2)
ite = iteration_utilities.iter_except(int, TypeError)
mer = iteration_utilities.merge([])
nth = iteration_utilities.nth(1)
pac = iteration_utilities.packed(int)
par = iteration_utilities.partial(int, 10)
rep = iteration_utilities.replicate([], 3)
rou = iteration_utilities.roundrobin([])
see = iteration_utilities.Seen()
sid = iteration_utilities.sideeffects([], lambda x: x)
spl = iteration_utilities.split([], lambda x: True)
sta = iteration_utilities.starfilter(lambda x: True, [])
suc = iteration_utilities.successive([])
tab = iteration_utilities.tabulate(int)
une = iteration_utilities.unique_everseen([])
unj = iteration_utilities.unique_justseen([])
gc.collect()
def test_complement_pickle1(protocol):
x = pickle.dumps(complement(iteration_utilities.is_None), protocol=protocol)
assert pickle.loads(x)(False)
assert pickle.loads(x)(True)
assert not pickle.loads(x)(None)
def test_complement_failure4():
# Too few arguments
with pytest.raises(TypeError):
complement()
def test_complement_failure3():
# Too many arguments
with pytest.raises(TypeError):
complement(bool, int)
def test_complement_failure2():
# Function raturns an object that cannot be interpreted as boolean
with pytest.raises(_hf.FailBool.EXC_TYP, match=_hf.FailBool.EXC_MSG):
complement(lambda x: _hf.FailBool())(1)
def test_complement_normal7():
assert complement(iteration_utilities.is_None)(True)
def test_complement_normal6():
assert complement(iteration_utilities.is_None)(False)
def test_complement_normal5():
assert not complement(iteration_utilities.is_None)(None)
def test_complement_normal4():
assert not complement(lambda x: x is False)(False)
def test_complement_normal3():
assert complement(lambda x: x is False)(True)
def test_complement_normal2():
assert complement(lambda x: x is True)(False)
def test_complement_normal1():
assert not complement(lambda x: x is True)(True)
def test_complement_attributes1():
x = complement(int)
assert x.func is int
def test_complement_repr1():
x = complement(int)
r = repr(x)
assert 'complement' in r
assert 'int' in r
