def test_iterable_with_other_keywords():
"""args with key and default, should raise exception"""
with pytest.raises(TypeError):
afiv_max([1, 2, 3], keyword=10)
with pytest.raises(TypeError):
afiv_max([1, 2, 3], keyword=100, default=10)
def test_args_with_other_keywords():
"""args with key and default, should raise exception"""
with pytest.raises(TypeError):
afiv_max(1, 2, 3, keyword=10)
with pytest.raises(TypeError):
afiv_max(1, 2, 3, keyword=10)
def test_iterable_with_no_key_and_default():
"""normal case"""
assert 3 == afiv_max([1, 2, 3])
assert 3 == afiv_max([3, 2, 1])
assert 3 == afiv_max([3])
with pytest.raises(TypeError):
# no empty iterable
assert 3 == afiv_max([]), "should raise exception with empty iterable and default=None"
assert 9 == afiv_max((i for i in range(10)))
def test_iterable_with_key_and_default():
"""iterable with key and default"""
assert 10 == afiv_max([], key=lambda x: x ** 2, default=10), "iterable with key and default"
assert 3 == afiv_max([1, 2, 3], key=lambda x: x ** 2, default=10), "iterable with key and default"
class TmpClass:
def __init__(self, x):
self.val = x
assert 9 == afiv_max([TmpClass(x) for x in range(10)], key=lambda x: x.val, default=10).val
def test_args_with_key():
"""iterable with key"""
assert 3 == afiv_max(1, 2, 3, key=lambda x: x ** 2), "args with key"
class TmpClass:
def __init__(self, x):
self.val = x
assert 9 == afiv_max(*[TmpClass(x) for x in range(10)], key=lambda x: x.val).val
with pytest.raises(TypeError):
# key func should return something!
def _f(x):
pass
afiv_max(1, 2, 3, key=_f)
with pytest.raises(TypeError):
# what key func return should be supported by '>'
def _f(x):
return TmpClass(x)
afiv_max(1, 2, 3, key=_f)
def test_args_with_no_key_and_default():
"""normal case"""
assert 3 == afiv_max(1, 2, 3), "normal case with args"
with pytest.raises(TypeError):
afiv_max(3)
def test_iterable_with_duplication():
"""iterable with duplication"""
assert 1 == afiv_max([1, 1, 1, 1, 1]), "iterable with duplication"
def test_iterable_default():
"""iterable with default only"""
assert 10 == afiv_max([], default=10), "iterable with default only"
assert 3 == afiv_max([1, 2, 3], default=10), "iterable with default only"
def test_without_args():
with pytest.raises(TypeError):
afiv_max()
def test_args_with_duplication():
"""iterable with duplication"""
assert 1 == afiv_max(1, 1, 1, 1, 1), "iterable with duplication"
def test_args_with_default():
"""args with key and default, should raise exception"""
with pytest.raises(TypeError):
afiv_max(1, 2, 3, default=10)