cic-stack/apps/cic-eth/tests/fixtures_database.py

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# standard imports
import os
import logging
# third-party imports
import pytest
import alembic
from alembic.config import Config as AlembicConfig
# local imports
from cic_eth.db import SessionBase
from cic_eth.db import dsn_from_config
logg = logging.getLogger(__file__)
@pytest.fixture(scope='session')
def database_engine(
load_config,
):
if load_config.get('DATABASE_ENGINE') == 'sqlite':
try:
os.unlink(load_config.get('DATABASE_NAME'))
except FileNotFoundError:
pass
SessionBase.transactional = False
SessionBase.poolable = False
dsn = dsn_from_config(load_config)
#SessionBase.connect(dsn, True)
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SessionBase.connect(dsn, debug=load_config.get('DATABASE_DEBUG') != None)
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return dsn
@pytest.fixture(scope='function')
def init_database(
load_config,
database_engine,
):
rootdir = os.path.dirname(os.path.dirname(__file__))
dbdir = os.path.join(rootdir, 'cic_eth', 'db')
migrationsdir = os.path.join(dbdir, 'migrations', load_config.get('DATABASE_ENGINE'))
if not os.path.isdir(migrationsdir):
migrationsdir = os.path.join(dbdir, 'migrations', 'default')
logg.info('using migrations directory {}'.format(migrationsdir))
session = SessionBase.create_session()
ac = AlembicConfig(os.path.join(migrationsdir, 'alembic.ini'))
ac.set_main_option('sqlalchemy.url', database_engine)
ac.set_main_option('script_location', migrationsdir)
alembic.command.downgrade(ac, 'base')
alembic.command.upgrade(ac, 'head')
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session.execute('DELETE FROM lock')
session.commit()
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yield session
session.commit()
session.close()