Files
MyAuth/tests/core/test_auth_service.py
Kodjo Sossouvi 0138ac247a Changed module name from my_auth to myauth
Changed encryption algorithm to argon2
Added unit tests
2025-10-19 23:17:38 +02:00

274 lines
12 KiB
Python

# tests/core/test_auth_service.py
from datetime import datetime
from unittest.mock import patch
import pytest
from myauth.core.auth import AuthService
from myauth.exceptions import UserAlreadyExistsError, InvalidCredentialsError, InvalidTokenError, \
ExpiredTokenError, RevokedTokenError
from myauth.models.token import TokenPayload
from myauth.models.user import UserCreate
class TestAuthServiceRegisterLogin(object):
"""Tests for the user registration and login processes."""
# The mocks are injected via the auth_service fixture from conftest.py
def test_register_success(self, auth_service: AuthService,
test_user_data_create: UserCreate):
"""Success: Registration works and stores the predictable hash."""
user = auth_service.register(test_user_data_create)
assert user is not None
assert user.hashed_password == "PREDICTABLE_HASHED_PASSWORD_FOR_TESTING"
auth_service.password_manager.hash_password.assert_called_once_with(test_user_data_create.password)
def test_register_failure_if_email_exists(self, auth_service: AuthService,
test_user_data_create: UserCreate):
"""Failure: Cannot register if the email already exists."""
auth_service.register(test_user_data_create)
with pytest.raises(UserAlreadyExistsError):
auth_service.register(test_user_data_create)
def test_login_success(self, auth_service: AuthService, test_user_data_create: UserCreate):
"""Success: Logging in with correct credentials generates and saves tokens."""
# Execute register to insert the user
auth_service.register(test_user_data_create)
# Execute login
user, tokens = auth_service.login(test_user_data_create.email, test_user_data_create.password)
assert user.email == test_user_data_create.email
auth_service.password_manager.verify_password.assert_called_once()
auth_service.token_manager.create_access_token.assert_called_once()
assert tokens.access_token == "MOCKED_ACCESS_TOKEN"
assert tokens.refresh_token == "MOCKED_REFRESH_TOKEN"
def test_login_failure_invalid_password(self, auth_service: AuthService, # Removed mock_password_manager injection
test_user_data_create: UserCreate):
"""Failure: Login fails with InvalidCredentialsError if the password is wrong."""
# Access the manager via the service instance
pm = auth_service.password_manager
# Setup: Mock hash for registration
pm.hash_password.return_value = "HASH"
auth_service.register(test_user_data_create)
# Mock verify for failure
pm.verify_password.return_value = False
with pytest.raises(InvalidCredentialsError):
auth_service.login(test_user_data_create.email, "WrongPassword!")
# Restore the default mock behavior defined in conftest for subsequent tests
pm.hash_password.return_value = "PREDICTABLE_HASHED_PASSWORD_FOR_TESTING"
pm.verify_password.return_value = True
def test_login_failure_user_not_found(self, auth_service: AuthService):
"""Failure: Login fails if the user does not exist."""
with pytest.raises(InvalidCredentialsError):
auth_service.login("non.existent@example.com", "AnyPassword")
class TestAuthServiceTokenManagement(object):
"""Tests for token-related flows (Refresh, Logout, GetCurrentUser)."""
@pytest.fixture(autouse=True)
def setup_user_and_token(self, auth_service: AuthService, test_user_data_create: UserCreate):
"""
Sets up a registered user and an initial set of tokens for management tests.
Temporarily overrides manager behavior for setup.
"""
# Temporarily set up predictable values for the registration/login flow within the fixture setup
pm = auth_service.password_manager
tm = auth_service.token_manager
original_hash = pm.hash_password.return_value
original_verify = pm.verify_password.return_value
original_access = tm.create_access_token.return_value
original_refresh = tm.create_refresh_token.return_value
pm.hash_password.return_value = "HASHED_PASS"
pm.verify_password.return_value = True
tm.create_access_token.return_value = "SETUP_ACCESS_TOKEN"
tm.create_refresh_token.return_value = "SETUP_REFRESH_TOKEN"
user = auth_service.register(test_user_data_create)
_, tokens = auth_service.login(test_user_data_create.email, test_user_data_create.password)
self.user = user
self.refresh_token = tokens.refresh_token
self.access_token = tokens.access_token
# Restore mock values to default conftest behavior for the actual tests
pm.hash_password.return_value = original_hash
pm.verify_password.return_value = original_verify
tm.create_access_token.return_value = original_access
tm.create_refresh_token.return_value = original_refresh
def test_refresh_access_token_success(self, auth_service: AuthService):
"""Success: Refreshing an access token works with a valid refresh token."""
# Access the manager via the service instance
tm = auth_service.token_manager
# Use patch.object on the *instance* for granular control within the test
with patch.object(tm, 'create_access_token',
return_value="NEW_MOCKED_ACCESS_TOKEN") as mock_create_access:
tokens = auth_service.refresh_access_token(self.refresh_token)
assert tokens.access_token == "NEW_MOCKED_ACCESS_TOKEN"
mock_create_access.assert_called_once()
def test_refresh_access_token_failure_invalid_token(self, auth_service: AuthService):
"""Failure: Refreshing fails if the token is invalid (revoked, expired, etc.)."""
auth_service.logout(self.refresh_token)
with pytest.raises(InvalidTokenError):
auth_service.refresh_access_token("invalid_token")
def test_logout_success(self, auth_service: AuthService):
"""Success: Logout revokes the specified refresh token."""
result = auth_service.logout(self.refresh_token)
assert result is True
with pytest.raises(RevokedTokenError):
auth_service.refresh_access_token(self.refresh_token)
def test_get_current_user_success(self, auth_service: AuthService):
"""Success: Getting the current user works by successfully decoding the JWT."""
# Mock the decoder to simulate a decoded payload
token_payload = TokenPayload(sub=self.user.id,
email=str(self.user.email),
exp=int(datetime.now().timestamp() * 1000))
with patch.object(auth_service.token_manager, 'decode_access_token',
return_value=token_payload) as mock_decode:
user = auth_service.get_current_user("dummy_jwt")
assert user.id == self.user.id
mock_decode.assert_called_once()
def test_get_current_user_failure_invalid_token(self, auth_service: AuthService):
"""Failure: Getting the current user fails if the access token is invalid/expired."""
with patch.object(auth_service.token_manager, 'decode_access_token',
side_effect=InvalidTokenError("Invalid signature")):
with pytest.raises(InvalidTokenError):
auth_service.get_current_user("invalid_access_jwt")
with patch.object(auth_service.token_manager, 'decode_access_token',
side_effect=ExpiredTokenError("Token expired")):
with pytest.raises(ExpiredTokenError):
auth_service.get_current_user("expired_access_jwt")
# class TestAuthServiceResetVerification(object):
# """Tests for password reset and email verification flows."""
#
# @pytest.fixture(autouse=True)
# def setup_user(self, auth_service: AuthService, test_user_data_create: UserCreate):
# """Sets up a registered user using a mock hash for speed."""
#
# pm = auth_service.password_manager
# original_hash = pm.hash_password.return_value
#
# # Temporarily set hash for setup
# pm.hash_password.return_value = "HASHED_PASS"
# user = auth_service.register(test_user_data_create)
# self.user = user
#
# # Restore hash mock
# pm.hash_password.return_value = original_hash
#
# @patch('myauth.core.email.send_email')
# def test_request_password_reset_success(self, mock_send_email: MagicMock, auth_service: AuthService):
# """Success: Requesting a password reset generates a token and sends an email."""
#
# tm = auth_service.token_manager
# with patch.object(tm, 'create_password_reset_token',
# return_value="MOCKED_RESET_TOKEN") as mock_create_token:
# token_string = auth_service.request_password_reset(self.user.email)
#
# assert token_string == "MOCKED_RESET_TOKEN"
# mock_create_token.assert_called_once()
# mock_send_email.assert_called_once()
#
# def test_reset_password_success(self, auth_service: AuthService):
# """Success: Resetting the password works with a valid token."""
#
# # Setup: Manually create a valid reset token
# auth_service.token_repository.save_token(
# TokenData(token="valid_reset_token", token_type="password_reset", user_id=self.user.id,
# expires_at=datetime.now() + timedelta(minutes=10))
# )
#
# # Patch the PasswordManager instance to control the hash output
# pm = auth_service.password_manager
# with patch.object(pm, 'hash_password',
# return_value="NEW_HASHED_PASSWORD_FOR_RESET") as mock_hash:
# new_password = "NewPassword123!"
# result = auth_service.reset_password("valid_reset_token", new_password)
#
# assert result is True
# mock_hash.assert_called_once_with(new_password)
#
# # Verification: Check that user data was updated
# updated_user = auth_service.user_repository.get_user_by_id(self.user.id)
# assert updated_user.hashed_password == "NEW_HASHED_PASSWORD_FOR_RESET"
#
# @patch('myauth.core.email.send_email')
# def test_request_email_verification_success(self, mock_send_email: MagicMock, auth_service: AuthService):
# """Success: Requesting verification generates a token and sends an email."""
#
# tm = auth_service.token_manager
# with patch.object(tm, 'create_email_verification_token',
# return_value="MOCKED_JWT_VERIFY_TOKEN") as mock_create_token:
# token_string = auth_service.request_email_verification(self.user.email)
#
# assert token_string == "MOCKED_JWT_VERIFY_TOKEN"
# mock_create_token.assert_called_once_with(self.user.email)
# mock_send_email.assert_called_once()
#
# def test_verify_email_success(self, auth_service: AuthService):
# """Success: Verification updates the user's status."""
#
# # The token_manager is mocked in conftest, so we must access its real create method
# # or rely on the mock's return value to get a token string to use in the call.
# # Since we need a real token for the decode logic to pass, we need to bypass the mock here.
#
# # We will temporarily use the real TokenManager to create a valid, decodable token.
# # This requires an *unmocked* token manager instance, which is tricky in this setup.
#
# # Alternative: Temporarily inject a real TokenManager for this test (or rely on a non-mocked method)
#
# # Assuming TokenManager.create_email_verification_token can be mocked to return a static string
# # and TokenManager.decode_email_verification_token can be patched to simulate success.
#
# # Since the method calls decode_email_verification_token internally, we mock the output of the decode step.
#
# # Setup: Ensure user is unverified
# auth_service.user_repository.update_user(self.user.id, UserUpdate(is_verified=False))
#
# tm = auth_service.token_manager
#
# # Mock the decode step to ensure it returns the email used for verification
# with patch.object(tm, 'decode_email_verification_token', return_value=self.user.email) as mock_decode:
# # Test (we use a dummy token string as the decode step is mocked)
# result = auth_service.verify_email("dummy_verification_token")
#
# assert result is True
# mock_decode.assert_called_once()
#
# # Verification: User is verified
# updated_user = auth_service.user_repository.get_user_by_id(self.user.id)
# assert updated_user.is_verified is True