Files
ffx/tests/unit/test_database.py
2026-04-11 16:04:54 +02:00

84 lines
2.8 KiB
Python

from __future__ import annotations
from pathlib import Path
import sys
import tempfile
import unittest
from unittest.mock import patch
SRC_ROOT = Path(__file__).resolve().parents[2] / "src"
if str(SRC_ROOT) not in sys.path:
sys.path.insert(0, str(SRC_ROOT))
from ffx.constants import DATABASE_VERSION # noqa: E402
from ffx.database import DATABASE_VERSION_KEY, databaseContext, getDatabaseVersion # noqa: E402
from ffx.model.property import Property # noqa: E402
from ffx.model.show import Base # noqa: E402
class DatabaseContextTests(unittest.TestCase):
def setUp(self):
self.tempdir = tempfile.TemporaryDirectory()
self.database_path = Path(self.tempdir.name) / "ffx-test.db"
def tearDown(self):
self.tempdir.cleanup()
def test_database_context_bootstraps_new_database_with_current_version(self):
with patch("ffx.database.Base.metadata.create_all", wraps=Base.metadata.create_all) as mocked_create_all:
context = databaseContext(str(self.database_path))
try:
self.assertTrue(self.database_path.exists())
self.assertEqual(DATABASE_VERSION, getDatabaseVersion(context))
finally:
context["engine"].dispose()
mocked_create_all.assert_called_once()
def test_database_context_skips_create_all_when_schema_is_already_present(self):
initial_context = databaseContext(str(self.database_path))
initial_context["engine"].dispose()
with patch("ffx.database.Base.metadata.create_all") as mocked_create_all:
context = databaseContext(str(self.database_path))
try:
self.assertEqual(DATABASE_VERSION, getDatabaseVersion(context))
finally:
context["engine"].dispose()
mocked_create_all.assert_not_called()
def test_database_context_restores_missing_version_property_without_schema_bootstrap(self):
context = databaseContext(str(self.database_path))
Session = context["session"]
try:
session = Session()
try:
version_row = (
session.query(Property)
.filter(Property.key == DATABASE_VERSION_KEY)
.first()
)
session.delete(version_row)
session.commit()
finally:
session.close()
finally:
context["engine"].dispose()
with patch("ffx.database.Base.metadata.create_all") as mocked_create_all:
reopened_context = databaseContext(str(self.database_path))
try:
self.assertEqual(DATABASE_VERSION, getDatabaseVersion(reopened_context))
finally:
reopened_context["engine"].dispose()
mocked_create_all.assert_not_called()
if __name__ == "__main__":
unittest.main()