def test_find_all_abnormal_string(s, letter):
"""Test find_all behaviour called with wrong objects."""
with pytest.raises(TypeError):
next(_find_all(s, letter))
def test_find_all_none_string(s, letter):
"""Test find_all behaviour for empty cases."""
with pytest.raises(StopIteration):
assert next(_find_all(s, letter))
def test_find_all_normal_string(s, letter, occur):
"""Test find_all behaviour for average cases."""
assert tuple(_find_all(s, letter)) == occur
def test_find_all_abnormal_string(s, letter):
"""Test find_all behaviour called with wrong objects."""
with pytest.raises(TypeError):
next(_find_all(s, letter))
def test_find_all_none_string(s, letter):
"""Test find_all behaviour for empty cases."""
with pytest.raises(StopIteration):
assert next(_find_all(s, letter))
def test_find_all_normal_string(s, letter, occur):
"""Test find_all behaviour for average cases."""
assert tuple(_find_all(s, letter)) == occur
