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289 行
11 KiB
Python
289 行
11 KiB
Python
"""Tests for TokenManager with atomic file operations."""
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from datetime import datetime, timedelta
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import json
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from pathlib import Path
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import tempfile
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import unittest
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from unittest.mock import patch
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from crewai_core.token_manager import TokenManager
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from cryptography.fernet import Fernet
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class TestTokenManager(unittest.TestCase):
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"""Test cases for TokenManager."""
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@patch("crewai_core.token_manager.TokenManager._get_or_create_key")
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def setUp(self, mock_get_key: unittest.mock.MagicMock) -> None:
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"""Set up test fixtures."""
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mock_get_key.return_value = Fernet.generate_key()
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self.token_manager = TokenManager()
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@patch("crewai_core.token_manager.TokenManager._read_secure_file")
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@patch("crewai_core.token_manager.TokenManager._get_or_create_key")
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def test_get_or_create_key_existing(
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self,
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mock_get_or_create: unittest.mock.MagicMock,
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mock_read: unittest.mock.MagicMock,
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) -> None:
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"""Test that existing key is returned when present."""
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mock_key = Fernet.generate_key()
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mock_get_or_create.return_value = mock_key
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token_manager = TokenManager()
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result = token_manager.key
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self.assertEqual(result, mock_key)
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def test_get_or_create_key_new(self) -> None:
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"""Test that new key is created when none exists."""
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mock_key = Fernet.generate_key()
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with (
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patch.object(self.token_manager, "_read_secure_file", return_value=None) as mock_read,
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patch.object(self.token_manager, "_atomic_create_secure_file", return_value=True) as mock_atomic_create,
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patch("crewai_core.token_manager.Fernet.generate_key", return_value=mock_key) as mock_generate,
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):
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result = self.token_manager._get_or_create_key()
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self.assertEqual(result, mock_key)
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mock_read.assert_called_with("secret.key")
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mock_generate.assert_called_once()
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mock_atomic_create.assert_called_once_with("secret.key", mock_key)
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def test_get_or_create_key_race_condition(self) -> None:
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"""Test that another process's key is used when atomic create fails."""
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our_key = Fernet.generate_key()
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their_key = Fernet.generate_key()
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with (
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patch.object(self.token_manager, "_read_secure_file", side_effect=[None, their_key]) as mock_read,
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patch.object(self.token_manager, "_atomic_create_secure_file", return_value=False) as mock_atomic_create,
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patch("crewai_core.token_manager.Fernet.generate_key", return_value=our_key),
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):
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result = self.token_manager._get_or_create_key()
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self.assertEqual(result, their_key)
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self.assertEqual(mock_read.call_count, 2)
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@patch("crewai_core.token_manager.TokenManager._atomic_write_secure_file")
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def test_save_tokens(
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self, mock_write: unittest.mock.MagicMock
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) -> None:
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"""Test saving tokens encrypts and writes atomically."""
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access_token = "test_token"
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expires_at = int((datetime.now() + timedelta(seconds=3600)).timestamp())
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self.token_manager.save_tokens(access_token, expires_at)
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mock_write.assert_called_once()
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args = mock_write.call_args[0]
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self.assertEqual(args[0], "tokens.enc")
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decrypted_data = self.token_manager.fernet.decrypt(args[1])
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data = json.loads(decrypted_data)
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self.assertEqual(data["access_token"], access_token)
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expiration = datetime.fromisoformat(data["expiration"])
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self.assertEqual(expiration, datetime.fromtimestamp(expires_at))
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@patch("crewai_core.token_manager.TokenManager._read_secure_file")
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def test_get_token_valid(
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self, mock_read: unittest.mock.MagicMock
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) -> None:
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"""Test getting a valid non-expired token."""
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access_token = "test_token"
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expiration = (datetime.now() + timedelta(hours=1)).isoformat()
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data = {"access_token": access_token, "expiration": expiration}
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encrypted_data = self.token_manager.fernet.encrypt(json.dumps(data).encode())
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mock_read.return_value = encrypted_data
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result = self.token_manager.get_token()
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self.assertEqual(result, access_token)
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@patch("crewai_core.token_manager.TokenManager._read_secure_file")
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def test_get_token_expired(
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self, mock_read: unittest.mock.MagicMock
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) -> None:
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"""Test that expired token returns None."""
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access_token = "test_token"
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expiration = (datetime.now() - timedelta(hours=1)).isoformat()
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data = {"access_token": access_token, "expiration": expiration}
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encrypted_data = self.token_manager.fernet.encrypt(json.dumps(data).encode())
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mock_read.return_value = encrypted_data
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result = self.token_manager.get_token()
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self.assertIsNone(result)
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@patch("crewai_core.token_manager.TokenManager._read_secure_file")
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def test_get_token_not_found(
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self, mock_read: unittest.mock.MagicMock
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) -> None:
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"""Test that missing token file returns None."""
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mock_read.return_value = None
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result = self.token_manager.get_token()
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self.assertIsNone(result)
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@patch("crewai_core.token_manager.TokenManager._delete_secure_file")
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def test_clear_tokens(
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self, mock_delete: unittest.mock.MagicMock
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) -> None:
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"""Test clearing tokens deletes the token file."""
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self.token_manager.clear_tokens()
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mock_delete.assert_called_once_with("tokens.enc")
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class TestAtomicFileOperations(unittest.TestCase):
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"""Test atomic file operations directly."""
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def setUp(self) -> None:
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"""Set up test fixtures with temp directory."""
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self.temp_dir = tempfile.mkdtemp()
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self.original_get_path = TokenManager._get_secure_storage_path
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def mock_get_path() -> Path:
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return Path(self.temp_dir)
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TokenManager._get_secure_storage_path = staticmethod(mock_get_path)
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def tearDown(self) -> None:
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"""Clean up temp directory."""
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TokenManager._get_secure_storage_path = staticmethod(self.original_get_path)
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import shutil
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shutil.rmtree(self.temp_dir, ignore_errors=True)
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@patch("crewai_core.token_manager.TokenManager._get_or_create_key")
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def test_atomic_create_new_file(
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self, mock_get_key: unittest.mock.MagicMock
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) -> None:
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"""Test atomic create succeeds for new file."""
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mock_get_key.return_value = Fernet.generate_key()
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tm = TokenManager()
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result = tm._atomic_create_secure_file("test.txt", b"content")
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self.assertTrue(result)
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file_path = Path(self.temp_dir) / "test.txt"
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self.assertTrue(file_path.exists())
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self.assertEqual(file_path.read_bytes(), b"content")
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self.assertEqual(file_path.stat().st_mode & 0o777, 0o600)
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@patch("crewai_core.token_manager.TokenManager._get_or_create_key")
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def test_atomic_create_existing_file(
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self, mock_get_key: unittest.mock.MagicMock
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) -> None:
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"""Test atomic create fails for existing file."""
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mock_get_key.return_value = Fernet.generate_key()
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tm = TokenManager()
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file_path = Path(self.temp_dir) / "test.txt"
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file_path.write_bytes(b"original")
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result = tm._atomic_create_secure_file("test.txt", b"new content")
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self.assertFalse(result)
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self.assertEqual(file_path.read_bytes(), b"original")
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@patch("crewai_core.token_manager.TokenManager._get_or_create_key")
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def test_atomic_write_new_file(
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self, mock_get_key: unittest.mock.MagicMock
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) -> None:
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"""Test atomic write creates new file."""
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mock_get_key.return_value = Fernet.generate_key()
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tm = TokenManager()
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tm._atomic_write_secure_file("test.txt", b"content")
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file_path = Path(self.temp_dir) / "test.txt"
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self.assertTrue(file_path.exists())
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self.assertEqual(file_path.read_bytes(), b"content")
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self.assertEqual(file_path.stat().st_mode & 0o777, 0o600)
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@patch("crewai_core.token_manager.TokenManager._get_or_create_key")
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def test_atomic_write_overwrites(
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self, mock_get_key: unittest.mock.MagicMock
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) -> None:
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"""Test atomic write overwrites existing file."""
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mock_get_key.return_value = Fernet.generate_key()
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tm = TokenManager()
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file_path = Path(self.temp_dir) / "test.txt"
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file_path.write_bytes(b"original")
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tm._atomic_write_secure_file("test.txt", b"new content")
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self.assertEqual(file_path.read_bytes(), b"new content")
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@patch("crewai_core.token_manager.TokenManager._get_or_create_key")
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def test_atomic_write_no_temp_file_on_success(
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self, mock_get_key: unittest.mock.MagicMock
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) -> None:
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"""Test that temp file is cleaned up after successful write."""
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mock_get_key.return_value = Fernet.generate_key()
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tm = TokenManager()
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tm._atomic_write_secure_file("test.txt", b"content")
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temp_files = list(Path(self.temp_dir).glob(".test.txt.*"))
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self.assertEqual(len(temp_files), 0)
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@patch("crewai_core.token_manager.TokenManager._get_or_create_key")
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def test_read_secure_file_exists(
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self, mock_get_key: unittest.mock.MagicMock
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) -> None:
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"""Test reading existing file."""
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mock_get_key.return_value = Fernet.generate_key()
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tm = TokenManager()
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file_path = Path(self.temp_dir) / "test.txt"
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file_path.write_bytes(b"content")
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result = tm._read_secure_file("test.txt")
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self.assertEqual(result, b"content")
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@patch("crewai_core.token_manager.TokenManager._get_or_create_key")
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def test_read_secure_file_not_exists(
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self, mock_get_key: unittest.mock.MagicMock
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) -> None:
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"""Test reading non-existent file returns None."""
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mock_get_key.return_value = Fernet.generate_key()
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tm = TokenManager()
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result = tm._read_secure_file("nonexistent.txt")
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self.assertIsNone(result)
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@patch("crewai_core.token_manager.TokenManager._get_or_create_key")
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def test_delete_secure_file_exists(
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self, mock_get_key: unittest.mock.MagicMock
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) -> None:
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"""Test deleting existing file."""
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mock_get_key.return_value = Fernet.generate_key()
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tm = TokenManager()
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file_path = Path(self.temp_dir) / "test.txt"
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file_path.write_bytes(b"content")
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tm._delete_secure_file("test.txt")
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self.assertFalse(file_path.exists())
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@patch("crewai_core.token_manager.TokenManager._get_or_create_key")
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def test_delete_secure_file_not_exists(
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self, mock_get_key: unittest.mock.MagicMock
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) -> None:
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"""Test deleting non-existent file doesn't raise."""
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mock_get_key.return_value = Fernet.generate_key()
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tm = TokenManager()
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tm._delete_secure_file("nonexistent.txt")
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if __name__ == "__main__":
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unittest.main()
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