code: def test_sqlalchemystore_idempotently_generates_up_to_date_schema(
      tmp_path, db_url, expected_schema_file
  ):
      generated_schema_file = tmp_path.joinpath("generated-schema.sql")
      # Repeatedly initialize a SQLAlchemyStore against the same DB URL. Initialization should
      # succeed and the schema should be the same.
      for _ in range(3):
          SqlAlchemyStore(
              db_url, tmp_path.joinpath("ARTIFACTS").as_uri()
          )
          dump_db_schema(db_url, dst_file=generated_schema_file)
          _assert_schema_files_equal(
              generated_schema_file, expected_schema_file
          )
  
imports: import os
  import sqlite3
  import pytest
  import sqlalchemy
  from alembic import command
  from alembic.autogenerate import compare_metadata
  from alembic.migration import MigrationContext
  from alembic.script import ScriptDirectory
  import mlflow.db
  from mlflow.exceptions import MlflowException
  from mlflow.store.db.base_sql_model import Base
  from mlflow.store.db.utils import _get_alembic_config, _verify_schema
  from mlflow.store.tracking.dbmodels.initial_models import Base
  from mlflow.store.tracking.sqlalchemy_store import SqlAlchemyStore
  from tests.integration.utils import invoke_cli_runner
  from tests.store.dump_schema import dump_db_schema
label_desc: Use image node_id 4 for calling a global function with example usage: test_sqlalchemystore_idempotently_generates_up_to_date_schema(tmp_path, db_url, expected_schema_file) without return types