tests: add bootstrap idempotency and master-service linking tests

Author: TartzBrewer

bot/app/tests_new/test_bootstrap_extra.py

@@ -0,0 +1,33 @@
+import pytest
+from sqlalchemy import select, func
+
+from bot.app.core.bootstrap import init_services, init_masters, DEFAULT_SERVICES, DEFAULT_MASTERS
+from bot.app.core.db import get_session
+from bot.app.domain import models
+
+
+@pytest.mark.asyncio
+async def test_init_services_idempotent():
+    # first run
+    await init_services()
+    # second run should not duplicate services
+    await init_services()
+    async with get_session() as s:
+        count_ = (await s.execute(select(func.count()).select_from(models.Service))).scalar_one()
+        assert count_ == len(DEFAULT_SERVICES)
+
+
+@pytest.mark.asyncio
+async def test_init_masters_links_all_services():
+    await init_services()
+    await init_masters()
+    async with get_session() as s:
+        svc_count = (await s.execute(select(func.count()).select_from(models.Service))).scalar_one()
+        mst_count = (await s.execute(select(func.count()).select_from(models.Master))).scalar_one()
+        link_count = (
+            await s.execute(select(func.count()).select_from(models.MasterService))
+        ).scalar_one()
+        # each master linked to every service (>= because code skips existing)
+        assert link_count >= svc_count * mst_count
+        assert svc_count == len(DEFAULT_SERVICES)
+        assert mst_count == len(DEFAULT_MASTERS)