def test_check_string_control_characters():
for string in ['foo \b bar', 'foo\u200bbar', 'foo\0bar', 'foo\bbar']:
with raises(Exception) as got:
check_string(string, 'var name')
assert_exception_correct(
got.value,
IllegalParameterError('var name contains control characters'))
def test_check_string_long_fail():
for string, length in {'123456789': 8, 'ab': 1, 'a' * 100: 99}.items():
with raises(Exception) as got:
check_string(string, 'var name', max_len=length)
assert_exception_correct(
got.value,
IllegalParameterError(
f'var name exceeds maximum length of {length}'))
def test_check_string_max_len():
for string, length in {
'123456789': 9,
'a': 1,
'a' * 100: 100,
'a' * 10000: 10000,
'a' * 10000: 1000000
}.items():
assert check_string(string, 'name', max_len=length) == string
def test_check_string():
for string, expected in {
' foo': 'foo',
' \t baɷr ': 'baɷr',
'baᚠz \t ': 'baᚠz',
'bat': 'bat',
'a' * 1000: 'a' * 1000
}.items():
assert check_string(string, 'name') == expected
def test_check_string_optional_false():
for string in [None, ' \t ']:
with raises(Exception) as got:
check_string(string, 'var name')
assert_exception_correct(got.value, MissingParameterError('var name'))
def test_check_string_optional_true():
for string in [None, ' \t ']:
assert check_string(string, 'name', optional=True) is None
def test_check_string_bad_max_len():
for max_len in [0, -1, -100]:
with raises(Exception) as got:
check_string('str', 'var name', max_len=max_len)
assert_exception_correct(got.value,
ValueError('max_len must be > 0 if provided'))