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from __future__ import annotations
from typing import TYPE_CHECKING, Optional
import pytest
from passlib.context import CryptContext
from pwdlib.hashers.argon2 import Argon2Hasher as PwdlibArgon2Hasher
from sqlalchemy import Engine, String
from sqlalchemy.ext.asyncio import AsyncEngine, async_sessionmaker
from sqlalchemy.orm import Mapped, Session, mapped_column, sessionmaker
from advanced_alchemy.base import BigIntBase
from advanced_alchemy.types import EncryptedString, PasswordHash
from advanced_alchemy.types.encrypted_string import FernetBackend, PGCryptoBackend
from advanced_alchemy.types.password_hash.argon2 import Argon2Hasher
from advanced_alchemy.types.password_hash.base import HashedPassword
from advanced_alchemy.types.password_hash.passlib import PasslibHasher
from advanced_alchemy.types.password_hash.pwdlib import PwdlibHasher
from tests.integration.test_models import DatabaseCapabilities
if TYPE_CHECKING:
from pytest import MonkeyPatch
pytestmark = [
pytest.mark.integration,
pytest.mark.xdist_group("password_hash"),
]
# Define the User model using PasswordHash
class User(BigIntBase):
__tablename__ = "test_user_password_hash"
name: Mapped[str] = mapped_column(String(50))
passlib_password: Mapped[Optional[str]] = mapped_column(
PasswordHash(backend=PasslibHasher(context=CryptContext(schemes=["argon2"])))
)
argon2_password: Mapped[Optional[str]] = mapped_column(PasswordHash(backend=Argon2Hasher()))
pwdlib_password: Mapped[Optional[str]] = mapped_column(
PasswordHash(backend=PwdlibHasher(hasher=PwdlibArgon2Hasher()))
)
__table_args__ = {"info": {"allow_eager": True}}
@pytest.fixture()
def password_test_tables(engine: Engine) -> None:
"""Create password test tables for sync engines."""
if getattr(engine.dialect, "name", "") != "mock" and not getattr(engine.dialect, "name", "").startswith("spanner"):
User.metadata.create_all(engine)
@pytest.fixture()
async def password_test_tables_async(async_engine: AsyncEngine) -> None:
"""Create password test tables for async engines."""
if getattr(async_engine.dialect, "name", "") != "mock" and not getattr(async_engine.dialect, "name", "").startswith(
"spanner"
):
async with async_engine.begin() as conn:
await conn.run_sync(User.metadata.create_all)
def test_password_hash_sync(engine: Engine, password_test_tables: None, monkeypatch: MonkeyPatch) -> None:
"""Test password hashing with Argon2 and Passlib backends using sync engines."""
# Skip for unsupported backends
if DatabaseCapabilities.should_skip_bigint(engine.dialect.name):
pytest.skip(f"{engine.dialect.name} doesn't support bigint PKs well")
# Skip mock engine - it doesn't support auto-generated primary keys
if engine.dialect.name == "mock":
pytest.skip("Mock engine doesn't support auto-generated primary keys")
# Skip Spanner - doesn't support direct UNIQUE constraints
if engine.dialect.name.startswith("spanner"):
pytest.skip("Spanner doesn't support direct UNIQUE constraints")
# Skip CockroachDB - it doesn't support BigInt primary keys
if engine.dialect.name.startswith("cockroach"):
pytest.skip("CockroachDB doesn't support BigInt primary keys")
session_factory: sessionmaker[Session] = sessionmaker(engine, expire_on_commit=False)
# Test with session
with session_factory() as db_session:
# Create user with passlib password
user1 = User(name="user1", passlib_password="password123")
db_session.add(user1)
db_session.flush()
db_session.refresh(user1)
# Verify password hash is created correctly
assert isinstance(user1.passlib_password, HashedPassword)
assert user1.passlib_password.hash_string.startswith("$argon2") # type: ignore[unreachable]
assert user1.passlib_password.verify("password123")
assert not user1.passlib_password.verify("wrong_password")
# Test non-string password inputs
assert not user1.passlib_password.verify(123) # type: ignore[arg-type]
assert not user1.passlib_password.verify(123.45) # type: ignore[arg-type]
assert not user1.passlib_password.verify(True) # type: ignore[arg-type]
assert not user1.passlib_password.verify(None) # type: ignore[arg-type]
assert not user1.passlib_password.verify(["password123"]) # type: ignore[arg-type]
assert not user1.passlib_password.verify({"password": "password123"}) # type: ignore[arg-type]
# Create user with argon2 password
user2 = User(name="user2", argon2_password="secret123")
db_session.add(user2)
db_session.flush()
db_session.refresh(user2)
# Verify password hash is created correctly
assert isinstance(user2.argon2_password, HashedPassword)
assert user2.argon2_password.hash_string.startswith("$argon2")
assert user2.argon2_password.verify("secret123")
assert not user2.argon2_password.verify("wrong_secret")
# Test non-string password inputs with argon2
assert not user2.argon2_password.verify(123) # type: ignore[arg-type]
assert not user2.argon2_password.verify(123.45) # type: ignore[arg-type]
assert not user2.argon2_password.verify(True) # type: ignore[arg-type]
assert not user2.argon2_password.verify(None) # type: ignore[arg-type]
assert not user2.argon2_password.verify(["secret123"]) # type: ignore[arg-type]
assert not user2.argon2_password.verify({"password": "secret123"}) # type: ignore[arg-type]
# Test updating password
user2.argon2_password = "newsecret123"
db_session.flush()
db_session.refresh(user2)
assert isinstance(user2.argon2_password, HashedPassword)
assert user2.argon2_password.verify("newsecret123")
assert not user2.argon2_password.verify("secret123")
# Test setting password to None
user2.argon2_password = None
db_session.flush()
db_session.refresh(user2)
assert user2.argon2_password is None
async def test_password_hash_async(
async_engine: AsyncEngine, password_test_tables_async: None, monkeypatch: MonkeyPatch
) -> None:
"""Test password hashing with Argon2 and Passlib backends using async engines."""
# Skip for unsupported backends
if DatabaseCapabilities.should_skip_bigint(async_engine.dialect.name):
pytest.skip(f"{async_engine.dialect.name} doesn't support bigint PKs well")
# Skip mock engine - it doesn't support auto-generated primary keys
if async_engine.dialect.name == "mock":
pytest.skip("Mock engine doesn't support auto-generated primary keys")
# Skip Spanner - doesn't support direct UNIQUE constraints
if async_engine.dialect.name.startswith("spanner"):
pytest.skip("Spanner doesn't support direct UNIQUE constraints")
# Skip CockroachDB - it doesn't support BigInt primary keys
if async_engine.dialect.name.startswith("cockroach"):
pytest.skip("CockroachDB doesn't support BigInt primary keys")
session_factory = async_sessionmaker(async_engine, expire_on_commit=False)
# Test with async session
async with session_factory() as db_session:
# Create user with passlib password
user1 = User(name="user1_async", passlib_password="password123")
db_session.add(user1)
await db_session.flush()
await db_session.refresh(user1)
# Verify password hash is created correctly
assert isinstance(user1.passlib_password, HashedPassword)
assert user1.passlib_password.hash_string.startswith("$argon2") # type: ignore[unreachable]
assert user1.passlib_password.verify("password123")
assert not user1.passlib_password.verify("wrong_password")
# Create user with argon2 password
user2 = User(name="user2_async", argon2_password="secret123")
db_session.add(user2)
await db_session.flush()
await db_session.refresh(user2)
# Verify password hash is created correctly
assert isinstance(user2.argon2_password, HashedPassword)
assert user2.argon2_password.hash_string.startswith("$argon2")
assert user2.argon2_password.verify("secret123")
assert not user2.argon2_password.verify("wrong_secret")
# Test updating password
user2.argon2_password = "newsecret123"
await db_session.flush()
await db_session.refresh(user2)
assert isinstance(user2.argon2_password, HashedPassword)
assert user2.argon2_password.verify("newsecret123")
assert not user2.argon2_password.verify("secret123")
# Test setting password to None
user2.argon2_password = None
await db_session.flush()
await db_session.refresh(user2)
assert user2.argon2_password is None
def test_password_hash_repr() -> None:
"""Test __repr__() method for PasswordHash with different backends."""
# Test Argon2Hasher backend
argon2_hash = PasswordHash(backend=Argon2Hasher(), length=128)
assert repr(argon2_hash) == "PasswordHash(backend=sa.Argon2Hasher(), length=128)"
# Test PasslibHasher backend
passlib_hash = PasswordHash(backend=PasslibHasher(context=CryptContext(schemes=["argon2"])), length=256)
assert repr(passlib_hash) == "PasswordHash(backend=sa.PasslibHasher(), length=256)"
# Test PwdlibHasher backend
pwdlib_hash = PasswordHash(backend=PwdlibHasher(hasher=PwdlibArgon2Hasher()), length=512)
assert repr(pwdlib_hash) == "PasswordHash(backend=sa.PwdlibHasher(), length=512)"
def test_encrypted_string_repr() -> None:
"""Test __repr__() method for EncryptedString with different backends."""
# Test FernetBackend (default)
enc_str_fernet = EncryptedString(key="test_key", backend=FernetBackend, length=100)
assert repr(enc_str_fernet) == "EncryptedString(key='test_key', backend=FernetBackend, length=100)"
# Test PGCryptoBackend
enc_str_pgcrypto = EncryptedString(key=b"test_bytes_key", backend=PGCryptoBackend, length=200)
assert repr(enc_str_pgcrypto) == "EncryptedString(key=b'test_bytes_key', backend=PGCryptoBackend, length=200)"
# Test with callable key
def get_key() -> str:
return "dynamic_key"
# The repr should include the callable object itself
enc_str_callable = EncryptedString(key=get_key, backend=FernetBackend)
assert repr(enc_str_callable) == "EncryptedString(key=get_key, backend=FernetBackend, length=None)"
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