chore: test privileges of cron schema

Author: sweatybridge

migrations/tests/extensions/04-pg_cron.sql

@@ -1,3 +1,25 @@
 BEGIN;
+-- create cron extension as supabase_admin
 create extension if not exists pg_cron with schema "extensions";
+
+-- \ir migrations/db/init-scripts/00000000000003-post-setup.sql
+grant usage on schema cron to postgres with grant option;
+alter default privileges in schema cron grant all on tables to postgres with grant option;
+alter default privileges in schema cron grant all on routines to postgres with grant option;
+alter default privileges in schema cron grant all on sequences to postgres with grant option;
+grant all privileges on all tables in schema cron to postgres with grant option;
+grant all privileges on all routines in schema cron to postgres with grant option;
+grant all privileges on all sequences in schema cron to postgres with grant option;
+
+-- postgres role should have access
+set local role postgres;
+select * from cron.job;
+
+-- other roles can be granted access
+grant usage on schema cron to authenticated;
+grant select on all tables in schema cron to authenticated;
+
+-- authenticated role should have access now
+set local role authenticated;
+select * from cron.job;
 ROLLBACK;