def test_decode_randomness_raises_on_non_base32_decode_char(ascii_non_base32_str_16):
"""
Assert that :func:`~ulid.base32.decode_randomness` raises a :class:`~ValueError` when given a :class:`~str`
instance that includes ASCII characters not part of the Base 32 decoding character set.
"""
with pytest.raises(ValueError) as ex:
base32.decode_randomness(ascii_non_base32_str_16)
ex.match(NON_BASE_32_EXC_REGEX)
def test_decode_randomness_raises_on_str_length_mismatch(invalid_str_16):
"""
Assert that :func:`~ulid.base32.decode_randomness` raises a :class:`~ValueError` when given a :class:`~str`
instance that is not exactly 16 chars.
"""
with pytest.raises(ValueError) as ex:
base32.decode_randomness(invalid_str_16)
assert ex.match(DECODE_RANDOMNESS_STR_LEN_EXC_REGEX)
def test_decode_randomness_raises_on_non_ascii_str(extended_ascii_str_16):
"""
Assert that :func:`~ulid.base32.decode_randomness` raises a :class:`~ValueError` when given a :class:`~str`
instance that contains extended ascii characters.
"""
with pytest.raises(ValueError) as ex:
base32.decode_randomness(extended_ascii_str_16)
assert ex.match(NON_ASCII_EXC_REGEX)
def test_decode_randomness_returns_10_bytes(valid_str_16):
"""
Assert that :func:`~ulid.base32.decode_randomness` decodes a valid 16 character string into a :class:`~bytes`
instance that is 80 bit.
"""
decoded = base32.decode_randomness(valid_str_16)
assert isinstance(decoded, bytes)
assert len(decoded) == 10