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Raise the local Realtime event limit for end-to-end tests #32

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Merged
musa-kal merged 2 commits into from
Nov 14, 2026
Merged

Raise the local Realtime event limit for end-to-end tests #32

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a6ae1fb
ci: raise the local realtime event limit for e2e
musa-kal Nov 14, 2026
a18d7d6
ci: update the realtime tenant as supabase_admin
musa-kal Nov 14, 2026
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16 changes: 14 additions & 2 deletions .github/workflows/ci.yml
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Expand Up @@ -88,10 +88,22 @@ jobs:
supabase status -o env | grep -E '^(API_URL|PUBLISHABLE_KEY)=' > /tmp/sb.env
. /tmp/sb.env
printf 'VITE_SUPABASE_URL=%s\nVITE_SUPABASE_PUBLISHABLE_KEY=%s\nVITE_APP_URL=http://localhost:4173\n' "$API_URL" "$PUBLISHABLE_KEY" > .env.local
# The local Realtime tenant allows 100 Postgres change messages a second and drops the rest
# (MessagePerSecondRateLimitReached), which parallel journeys pass. Raise it, then restart
# Realtime so it rereads the tenant.
- name: Raise Realtime limits
run: |
docker exec supabase_db_potluck psql -U supabase_admin -d postgres -v ON_ERROR_STOP=1 -c "update _realtime.tenants set max_events_per_second = 1000, max_joins_per_second = 500 where external_id = 'realtime-dev'"
docker restart supabase_realtime_potluck
for i in $(seq 1 30); do
[ "$(docker inspect -f '{{.State.Health.Status}}' supabase_realtime_potluck)" = healthy ] && break
sleep 2
done
docker inspect -f '{{.State.Health.Status}}' supabase_realtime_potluck
- run: pnpm --filter @potluck/web exec playwright install --with-deps chromium webkit
- run: pnpm e2e
# Live updates are silent when Realtime drops a change (a policy that errors or times out
# for the subscriber), so keep its log when a journey fails.
# Live updates are silent when Realtime drops a change (a rate limit, or a policy that errors
# or times out for the subscriber), so keep its log when a journey fails.
- name: Realtime log
if: failure()
run: docker logs supabase_realtime_potluck 2>&1 | tail -n 400
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2 changes: 1 addition & 1 deletion docs/testing.md
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Expand Up @@ -130,7 +130,7 @@ pnpm --filter @potluck/web exec playwright test e2e/expenses.spec.ts --project=d
pnpm --filter @potluck/web exec playwright show-report # after a failure
```

Locally, a server already listening on :4173 is reused, even if another checkout or worktree started it, so the tests may run another branch's build. If you change app code while one is running, rebuild with `VITE_APP_URL=http://localhost:4173 pnpm --filter @potluck/web build` or stop it first. `E2E_PORT=4174` runs on another port beside it. `E2E_WORKERS` sets the local worker count (default 2).
Locally, a server already listening on :4173 is reused, even if another checkout or worktree started it, so the tests may run another branch's build. If you change app code while one is running, rebuild with `VITE_APP_URL=http://localhost:4173 pnpm --filter @potluck/web build` or stop it first. `E2E_PORT=4174` runs on another port beside it. `E2E_WORKERS` sets the local worker count (default 2). The local Realtime tenant drops Postgres changes past 100 a second (`MessagePerSecondRateLimitReached` in `docker logs supabase_realtime_potluck`), which looks like a live update that never arrives. CI raises it in the e2e job; locally, run the same `update _realtime.tenants` from `ci.yml` (as `supabase_admin`; `postgres` may not write it) and restart the Realtime container if live journeys fail only under load.

Projects (`apps/web/playwright.config.ts`):

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