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import pytest
from pwdlib.hashers.bcrypt import BcryptHasher
_PASSWORD = "herminetincture"
_HASHER = BcryptHasher()
_HASH_STR = _HASHER.hash(_PASSWORD)
_HASH_BYTES = _HASH_STR.encode("ascii")
@pytest.fixture
def bcrypt_hasher() -> BcryptHasher:
return BcryptHasher()
@pytest.mark.parametrize(
"hash,result",
[
(_HASH_STR, True),
(_HASH_BYTES, True),
("INVALID_HASH", False),
(b"INVALID_HASH", False),
],
)
def test_identify(hash: str | bytes, result: bool) -> None:
assert BcryptHasher.identify(hash) == result
def test_hash(bcrypt_hasher: BcryptHasher) -> None:
hash = bcrypt_hasher.hash("herminetincture")
assert isinstance(hash, str)
@pytest.mark.parametrize(
"hash,password,result",
[
(_HASH_STR, _PASSWORD, True),
(_HASH_BYTES, _PASSWORD, True),
(_HASH_STR, "INVALID_PASSWORD", False),
(_HASH_BYTES, "INVALID_PASSWORD", False),
],
)
def test_verify(
hash: str | bytes,
password: str,
result: bool,
bcrypt_hasher: BcryptHasher,
) -> None:
assert bcrypt_hasher.verify(password, hash) == result
def test_check_needs_rehash(bcrypt_hasher: BcryptHasher) -> None:
assert not bcrypt_hasher.check_needs_rehash(_HASH_STR)
assert not bcrypt_hasher.check_needs_rehash(_HASH_BYTES)
assert bcrypt_hasher.check_needs_rehash("INVALID_HASH")
assert bcrypt_hasher.check_needs_rehash(b"INVALID_HASH")
bcrypt_hasher_different_rounds = BcryptHasher(rounds=10)
hash = bcrypt_hasher_different_rounds.hash("herminetincture")
assert bcrypt_hasher.check_needs_rehash(hash)
bcrypt_hasher_different_prefix = BcryptHasher(prefix="2a")
hash = bcrypt_hasher_different_prefix.hash("herminetincture")
assert bcrypt_hasher.check_needs_rehash(hash)
@pytest.mark.parametrize(
"invalid_value",
[
pytest.param(123, id="int"),
pytest.param(None, id="None"),
pytest.param([], id="list"),
pytest.param({}, id="dict"),
],
)
def test_invalid_type(invalid_value: object, bcrypt_hasher: BcryptHasher) -> None:
with pytest.raises(TypeError, match="hash must be str or bytes"):
BcryptHasher.identify(invalid_value) # type: ignore[arg-type]
with pytest.raises(TypeError, match="password must be str or bytes"):
bcrypt_hasher.hash(invalid_value) # type: ignore[arg-type]
with pytest.raises(TypeError, match="password must be str or bytes"):
bcrypt_hasher.verify(invalid_value, _HASH_STR) # type: ignore[arg-type]
with pytest.raises(TypeError, match="hash must be str or bytes"):
bcrypt_hasher.verify(_PASSWORD, invalid_value) # type: ignore[arg-type]
with pytest.raises(TypeError, match="hash must be str or bytes"):
bcrypt_hasher.check_needs_rehash(invalid_value) # type: ignore[arg-type]
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