add tests to tpos

.gitignore

@@ -2,3 +2,9 @@ __pycache__
 node_modules
 .mypy_cache
 .venv
+
+# test data
+data/
+
+# AI
+.codex

tests/conftest.py

@@ -0,0 +1,31 @@
+import asyncio
+import os
+
+import pytest
+
+os.environ.setdefault("DEBUG", "false")
+
+from lnbits.core.db import db as core_db
+from lnbits.core.helpers import run_migration
+
+import tpos.migrations as ext_migrations  # type: ignore[import]
+from tpos.crud import db  # type: ignore[import]
+
+
+@pytest.fixture(scope="session", autouse=True)
+def init_ext():
+    async def _init():
+        async with core_db.connect() as core_conn:
+            await core_conn.execute("""
+                CREATE TABLE IF NOT EXISTS dbversions (
+                    db TEXT PRIMARY KEY,
+                    version INTEGER NOT NULL
+                );
+                """)
+            await core_conn.execute("DELETE FROM dbversions WHERE db = 'tpos'")
+        async with db.connect() as conn:
+            for table in ("payments", "withdraws", "pos", "tposs"):
+                await conn.execute(f"DROP TABLE IF EXISTS tpos.{table}")
+            await run_migration(conn, ext_migrations, "tpos")
+
+    asyncio.run(_init())