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path: root/tests/unit/auth/fixtures/migration_fixtures.py
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"""Fixtures and utilities for migration-related tests"""
import pytest
from yoyo.backends import DatabaseBackend
from yoyo import get_backend, read_migrations
from yoyo.migrations import Migration, MigrationList

from gn_auth.auth.db import sqlite3 as db
from gn_auth.migrations import apply_migrations, rollback_migrations

@pytest.fixture(scope="session")
def auth_testdb_path(fxtr_app_config): # pylint: disable=redefined-outer-name
    """Get the test application's auth database file"""
    return fxtr_app_config["AUTH_DB"]

@pytest.fixture(scope="session")
def auth_migrations_dir(fxtr_app_config): # pylint: disable=redefined-outer-name
    """Get the test application's auth database file"""
    return fxtr_app_config["AUTH_MIGRATIONS"]

def apply_single_migration(backend: DatabaseBackend, migration: Migration):# pylint: disable=[redefined-outer-name]
    """Utility to apply a single migration"""
    apply_migrations(backend, MigrationList([migration]))

def rollback_single_migration(backend: DatabaseBackend, migration: Migration):# pylint: disable=[redefined-outer-name]
    """Utility to rollback a single migration"""
    rollback_migrations(backend, MigrationList([migration]))

@pytest.fixture(scope="session")
def backend(auth_testdb_path):# pylint: disable=redefined-outer-name
    """Fixture: retrieve yoyo backend for auth database"""
    return get_backend(f"sqlite:///{auth_testdb_path}")

@pytest.fixture(scope="session")
def all_migrations(auth_migrations_dir): # pylint: disable=redefined-outer-name
    """Retrieve all the migrations"""
    return read_migrations(auth_migrations_dir)

@pytest.fixture(scope="function")
def conn_after_auth_migrations(backend, auth_testdb_path, all_migrations): # pylint: disable=redefined-outer-name
    """Run all migrations and return a connection to the database after"""
    apply_migrations(backend, all_migrations)
    with db.connection(auth_testdb_path) as conn:
        with db.cursor(conn) as cursor:
            cursor.execute(
                "UPDATE resources "
                "SET resource_id='0248b289-b277-4eaa-8c94-88a434d14b6e' "
                "WHERE resource_name='GeneNetwork System'")
        yield conn

    rollback_migrations(backend, all_migrations)

def migrations_up_to(migration, migrations_dir):
    """Run all the migration before `migration`."""
    migrations = read_migrations(migrations_dir)
    index = [mig.path for mig in migrations].index(migration)
    return MigrationList(migrations[0:index])