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"""
Rigorous Tests for Drive Service.
Tests cover:
1. Initialization and credential loading
2. OAuth authentication
3. Folder operations (find, create)
4. Database upload
5. Database download
6. Error handling
Mocks Google API - no real Drive calls.
"""
import pytest
import os
import tempfile
from unittest.mock import patch, MagicMock, PropertyMock
from googleapiclient.errors import HttpError
# =============================================================================
# 1. Initialization Tests
# =============================================================================
class TestDriveServiceInit:
"""Test DriveService initialization."""
def test_load_server_credentials(self):
"""Load credentials from SERVER_* env vars."""
with patch.dict(os.environ, {
"SERVER_GOOGLE_CLIENT_ID": "server-client-id",
"SERVER_GOOGLE_CLIENT_SECRET": "server-secret",
"SERVER_GOOGLE_REFRESH_TOKEN": "server-refresh"
}):
from services.drive_service import DriveService
service = DriveService()
assert service.client_id == "server-client-id"
assert service.client_secret == "server-secret"
assert service.refresh_token == "server-refresh"
def test_fallback_to_google_credentials(self):
"""Fallback to GOOGLE_* env vars when SERVER_* missing."""
with patch.dict(os.environ, {
"GOOGLE_CLIENT_ID": "google-client-id",
"GOOGLE_CLIENT_SECRET": "google-secret",
"GOOGLE_REFRESH_TOKEN": "google-refresh"
}, clear=True):
# Clear SERVER_* vars
os.environ.pop("SERVER_GOOGLE_CLIENT_ID", None)
os.environ.pop("SERVER_GOOGLE_CLIENT_SECRET", None)
os.environ.pop("SERVER_GOOGLE_REFRESH_TOKEN", None)
from services.drive_service import DriveService
service = DriveService()
assert service.client_id == "google-client-id"
def test_init_with_missing_credentials(self):
"""Initialize with missing credentials (None values)."""
with patch.dict(os.environ, {}, clear=True):
os.environ.pop("SERVER_GOOGLE_CLIENT_ID", None)
os.environ.pop("GOOGLE_CLIENT_ID", None)
os.environ.pop("SERVER_GOOGLE_CLIENT_SECRET", None)
os.environ.pop("GOOGLE_CLIENT_SECRET", None)
os.environ.pop("SERVER_GOOGLE_REFRESH_TOKEN", None)
os.environ.pop("GOOGLE_REFRESH_TOKEN", None)
from services.drive_service import DriveService
service = DriveService()
# Should still initialize, but with None values
assert service.creds is None
assert service.service is None
# =============================================================================
# 2. Authentication Tests
# =============================================================================
class TestAuthentication:
"""Test authenticate method."""
def test_authenticate_success(self):
"""Successful authentication with valid refresh token."""
with patch('services.drive_service.Credentials') as mock_creds:
with patch('services.drive_service.build') as mock_build:
mock_cred_instance = MagicMock()
mock_cred_instance.expired = False
mock_creds.return_value = mock_cred_instance
mock_build.return_value = MagicMock()
from services.drive_service import DriveService
service = DriveService()
service.client_id = "test-id"
service.client_secret = "test-secret"
service.refresh_token = "test-token"
result = service.authenticate()
assert result == True
assert service.creds is not None
assert service.service is not None
def test_authenticate_returns_false_when_missing_credentials(self):
"""Return False when credentials are missing."""
from services.drive_service import DriveService
service = DriveService()
service.client_id = None
service.client_secret = "secret"
service.refresh_token = "token"
result = service.authenticate()
assert result == False
def test_authenticate_handles_exception(self):
"""Handle authentication exception."""
with patch('services.drive_service.Credentials') as mock_creds:
mock_creds.side_effect = Exception("Auth failed")
from services.drive_service import DriveService
service = DriveService()
service.client_id = "test-id"
service.client_secret = "test-secret"
service.refresh_token = "test-token"
result = service.authenticate()
assert result == False
def test_authenticate_refreshes_expired_token(self):
"""Refresh expired token when needed."""
with patch('services.drive_service.Credentials') as mock_creds:
with patch('services.drive_service.build') as mock_build:
with patch('services.drive_service.Request') as mock_request:
mock_cred_instance = MagicMock()
mock_cred_instance.expired = True
mock_cred_instance.refresh_token = "has-refresh"
mock_creds.return_value = mock_cred_instance
mock_build.return_value = MagicMock()
from services.drive_service import DriveService
service = DriveService()
service.client_id = "test-id"
service.client_secret = "test-secret"
service.refresh_token = "test-token"
result = service.authenticate()
assert result == True
mock_cred_instance.refresh.assert_called_once()
# =============================================================================
# 3. Folder Operations Tests
# =============================================================================
class TestFolderOperations:
"""Test folder find/create operations."""
def test_find_folder_returns_id_when_found(self):
"""Find existing folder returns its ID."""
from services.drive_service import DriveService
service = DriveService()
service.service = MagicMock()
service.service.files.return_value.list.return_value.execute.return_value = {
'files': [{'id': 'folder-123', 'name': 'apigateway'}]
}
result = service._find_folder()
assert result == 'folder-123'
def test_find_folder_returns_none_when_not_found(self):
"""Return None when folder not found."""
from services.drive_service import DriveService
service = DriveService()
service.service = MagicMock()
service.service.files.return_value.list.return_value.execute.return_value = {
'files': []
}
result = service._find_folder()
assert result is None
def test_find_folder_handles_http_error(self):
"""Handle HTTP error in folder search."""
from services.drive_service import DriveService
service = DriveService()
service.service = MagicMock()
# Create mock HttpError
mock_resp = MagicMock()
mock_resp.status = 500
service.service.files.return_value.list.return_value.execute.side_effect = HttpError(
mock_resp, b"Server error"
)
result = service._find_folder()
assert result is None
def test_create_folder_returns_id(self):
"""Create folder returns new folder ID."""
from services.drive_service import DriveService
service = DriveService()
service.service = MagicMock()
service.service.files.return_value.create.return_value.execute.return_value = {
'id': 'new-folder-456'
}
result = service._create_folder()
assert result == 'new-folder-456'
def test_create_folder_handles_error(self):
"""Handle error in folder creation."""
from services.drive_service import DriveService
service = DriveService()
service.service = MagicMock()
mock_resp = MagicMock()
mock_resp.status = 403
service.service.files.return_value.create.return_value.execute.side_effect = HttpError(
mock_resp, b"Permission denied"
)
result = service._create_folder()
assert result is None
def test_get_folder_id_creates_if_not_found(self):
"""Get folder creates if not found."""
from services.drive_service import DriveService
service = DriveService()
service._find_folder = MagicMock(return_value=None)
service._create_folder = MagicMock(return_value='created-folder-789')
result = service._get_folder_id()
assert result == 'created-folder-789'
service._create_folder.assert_called_once()
def test_get_folder_id_returns_existing(self):
"""Get folder returns existing folder ID."""
from services.drive_service import DriveService
service = DriveService()
service._find_folder = MagicMock(return_value='existing-folder-111')
service._create_folder = MagicMock()
result = service._get_folder_id()
assert result == 'existing-folder-111'
service._create_folder.assert_not_called()
# =============================================================================
# 4. Upload Database Tests
# =============================================================================
class TestUploadDb:
"""Test upload_db method."""
def test_upload_new_file(self):
"""Upload creates new file when not exists."""
from services.drive_service import DriveService
with tempfile.NamedTemporaryFile(suffix='.db', delete=False) as f:
f.write(b"test db content")
temp_path = f.name
try:
service = DriveService()
service.DB_FILENAME = temp_path
service.service = MagicMock()
service._get_folder_id = MagicMock(return_value='folder-id')
# File doesn't exist in Drive
service.service.files.return_value.list.return_value.execute.return_value = {
'files': []
}
service.service.files.return_value.create.return_value.execute.return_value = {
'id': 'new-file-id'
}
with patch('services.drive_service.MediaFileUpload') as mock_upload:
mock_upload.return_value = MagicMock()
result = service.upload_db()
assert result == True
service.service.files.return_value.create.assert_called()
finally:
os.unlink(temp_path)
def test_upload_updates_existing_file(self):
"""Upload updates existing file."""
from services.drive_service import DriveService
with tempfile.NamedTemporaryFile(suffix='.db', delete=False) as f:
f.write(b"updated db content")
temp_path = f.name
try:
service = DriveService()
service.DB_FILENAME = temp_path
service.service = MagicMock()
service._get_folder_id = MagicMock(return_value='folder-id')
# File exists in Drive
service.service.files.return_value.list.return_value.execute.return_value = {
'files': [{'id': 'existing-file-id'}]
}
with patch('services.drive_service.MediaFileUpload') as mock_upload:
mock_upload.return_value = MagicMock()
result = service.upload_db()
assert result == True
service.service.files.return_value.update.assert_called()
finally:
os.unlink(temp_path)
def test_upload_returns_false_if_db_missing(self):
"""Return False if database file doesn't exist."""
from services.drive_service import DriveService
service = DriveService()
service.DB_FILENAME = '/nonexistent/path/db.sqlite'
service.service = MagicMock()
result = service.upload_db()
assert result == False
def test_upload_returns_false_if_folder_fails(self):
"""Return False if folder creation fails."""
from services.drive_service import DriveService
with tempfile.NamedTemporaryFile(suffix='.db', delete=False) as f:
f.write(b"test")
temp_path = f.name
try:
service = DriveService()
service.DB_FILENAME = temp_path
service.service = MagicMock()
service._get_folder_id = MagicMock(return_value=None)
result = service.upload_db()
assert result == False
finally:
os.unlink(temp_path)
def test_upload_handles_http_error(self):
"""Handle HTTP error during upload."""
from services.drive_service import DriveService
with tempfile.NamedTemporaryFile(suffix='.db', delete=False) as f:
f.write(b"test")
temp_path = f.name
try:
service = DriveService()
service.DB_FILENAME = temp_path
service.service = MagicMock()
service._get_folder_id = MagicMock(return_value='folder-id')
service.service.files.return_value.list.return_value.execute.return_value = {
'files': []
}
mock_resp = MagicMock()
mock_resp.status = 500
service.service.files.return_value.create.return_value.execute.side_effect = HttpError(
mock_resp, b"Server error"
)
with patch('services.drive_service.MediaFileUpload'):
result = service.upload_db()
assert result == False
finally:
os.unlink(temp_path)
def test_upload_auto_authenticates(self):
"""Auto-authenticate if not authenticated."""
from services.drive_service import DriveService
with tempfile.NamedTemporaryFile(suffix='.db', delete=False) as f:
f.write(b"test")
temp_path = f.name
try:
service = DriveService()
service.DB_FILENAME = temp_path
service.service = None
service.authenticate = MagicMock(return_value=False)
result = service.upload_db()
assert result == False
service.authenticate.assert_called_once()
finally:
os.unlink(temp_path)
# =============================================================================
# 5. Download Database Tests
# =============================================================================
class TestDownloadDb:
"""Test download_db method."""
def test_download_existing_file(self):
"""Download existing database file."""
from services.drive_service import DriveService
with tempfile.TemporaryDirectory() as temp_dir:
db_path = os.path.join(temp_dir, 'test.db')
service = DriveService()
service.DB_FILENAME = db_path
service.service = MagicMock()
service._find_folder = MagicMock(return_value='folder-id')
service.service.files.return_value.list.return_value.execute.return_value = {
'files': [{'id': 'file-id'}]
}
# Mock downloader
with patch('services.drive_service.MediaIoBaseDownload') as mock_downloader:
mock_instance = MagicMock()
mock_instance.next_chunk.return_value = (MagicMock(), True) # Done immediately
mock_downloader.return_value = mock_instance
with patch('io.FileIO'):
result = service.download_db()
assert result == True
def test_download_returns_false_if_folder_not_found(self):
"""Return False if folder not found."""
from services.drive_service import DriveService
service = DriveService()
service.service = MagicMock()
service._find_folder = MagicMock(return_value=None)
result = service.download_db()
assert result == False
def test_download_returns_false_if_file_not_found(self):
"""Return False if database file not found in Drive."""
from services.drive_service import DriveService
service = DriveService()
service.service = MagicMock()
service._find_folder = MagicMock(return_value='folder-id')
service.service.files.return_value.list.return_value.execute.return_value = {
'files': []
}
result = service.download_db()
assert result == False
def test_download_handles_http_error(self):
"""Handle HTTP error during download."""
from services.drive_service import DriveService
service = DriveService()
service.service = MagicMock()
service._find_folder = MagicMock(return_value='folder-id')
service.service.files.return_value.list.return_value.execute.return_value = {
'files': [{'id': 'file-id'}]
}
mock_resp = MagicMock()
mock_resp.status = 500
service.service.files.return_value.get_media.side_effect = HttpError(
mock_resp, b"Server error"
)
result = service.download_db()
assert result == False
def test_download_auto_authenticates(self):
"""Auto-authenticate if not authenticated."""
from services.drive_service import DriveService
service = DriveService()
service.service = None
service.authenticate = MagicMock(return_value=False)
result = service.download_db()
assert result == False
service.authenticate.assert_called_once()
# =============================================================================
# 6. Integration-like Tests
# =============================================================================
class TestDriveServiceIntegration:
"""Test complete flows with mocked API."""
def test_full_upload_flow(self):
"""Test complete upload flow from auth to upload."""
from services.drive_service import DriveService
with tempfile.NamedTemporaryFile(suffix='.db', delete=False) as f:
f.write(b"test db content")
temp_path = f.name
try:
with patch('services.drive_service.Credentials') as mock_creds:
with patch('services.drive_service.build') as mock_build:
mock_cred_instance = MagicMock()
mock_cred_instance.expired = False
mock_creds.return_value = mock_cred_instance
mock_service = MagicMock()
mock_build.return_value = mock_service
# Folder exists
mock_service.files.return_value.list.return_value.execute.side_effect = [
{'files': [{'id': 'folder-id', 'name': 'apigateway'}]}, # find folder
{'files': []} # file not in folder
]
mock_service.files.return_value.create.return_value.execute.return_value = {
'id': 'new-file-id'
}
service = DriveService()
service.DB_FILENAME = temp_path
service.client_id = "test"
service.client_secret = "test"
service.refresh_token = "test"
with patch('services.drive_service.MediaFileUpload'):
result = service.upload_db()
assert result == True
finally:
os.unlink(temp_path)
if __name__ == "__main__":
pytest.main([__file__, "-v"])
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