def test_lowercase_with_underscores_conversion(self):
convention = LowerCaseWithUnderscores()
assert "punctuation" == convention.convert("Punctuation.?")
assert "string_with_spaces" == convention.convert("String with spaces")
assert "camel_case" == convention.convert("CamelCase")
assert "numeric_1" == convention.convert("numeric 1")
assert "alphanumeric_b4b4" == convention.convert("alphanumeric b4b4")
assert "space_at_start" == convention.convert(" space at start")
assert "spaces_at_end" == convention.convert("spaces At_end ")
assert "idempotent_case" == convention.convert("idempotent_case")
def test_lowercase_with_underscores_test(self):
convention = LowerCaseWithUnderscores()
assert convention.formatted("lower_case")
assert convention.formatted("ab_c___")
assert convention.formatted("a___b")
assert not convention.formatted("123_abc")
