def test_split_with_2arg_func():
s = _parse_elements('(asing(x,y),e2)')
assert len(s) == 2
assert s[0] == 'asing(x,y)'
assert s[1] == 'e2'
def test_split_with_func():
s = _parse_elements('(sin(20), e1)')
assert len(s) == 2
assert s[0] == 'sin(20)'
assert s[1] == ' e1'
def test_simple_split():
s = _parse_elements('(hi,there)')
assert len(s) == 2
assert s[0] == 'hi'
assert s[1] == 'there'
def test_split_not_parans():
s = _parse_elements('hi, there')
assert len(s) == 1
def test_no_splits():
s = _parse_elements('hi')
assert len(s) == 1
assert s[0] == 'hi'