tenant-engine/tests/postgres_backend.py

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from __future__ import annotations
import os
from pathlib import Path
import pytest
from tenant_engine.postgres_store import PostgresTenantStore
def clean_postgres_store(tmp_path: Path) -> PostgresTenantStore:
dsn = os.getenv("TENANT_ENGINE_TEST_DATABASE_URL", "").strip()
if not dsn:
pytest.skip("set TENANT_ENGINE_TEST_DATABASE_URL to exercise PostgreSQL conformance")
try:
import psycopg
except ImportError:
pytest.skip("install tenant-engine[postgres] to exercise PostgreSQL conformance")
migration = Path(__file__).parents[1] / "migrations/postgres/0001_tenant_store.sql"
with psycopg.connect(dsn, autocommit=True) as connection:
connection.execute(migration.read_text(encoding="utf-8"))
connection.execute(
"""TRUNCATE guardrail_changes, guardrail_overrides,
idempotency_receipts, events, plans, grants, tenants
RESTART IDENTITY CASCADE"""
)
url_file = tmp_path / "postgres-url"
url_file.write_text(dsn, encoding="utf-8")
return PostgresTenantStore(str(url_file), min_pool_size=1, max_pool_size=4)