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c-relay/tests/subscription_limits.sh

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#!/bin/bash
# Simple test script to verify subscription limit enforcement and rate limiting
# This script tests that subscription limits are enforced early
set -e
RELAY_URL="ws://127.0.0.1:8888"
echo "=== Subscription Limit Test ==="
echo "[INFO] Testing relay at: $RELAY_URL"
echo "[INFO] Note: This test assumes default subscription limits (max 25 per client)"
echo ""
# Test basic connectivity first
echo "=== Test 1: Basic Connectivity ==="
echo "[INFO] Testing basic WebSocket connection..."
# Send a simple REQ message
response=$(echo '["REQ","basic_test",{}]' | timeout 5 websocat -n1 "$RELAY_URL" 2>/dev/null || echo "TIMEOUT")
if echo "$response" | grep -q "EOSE\|EVENT\|NOTICE"; then
echo "[PASS] Basic connectivity works"
else
echo "[FAIL] Basic connectivity failed. Response: $response"
exit 1
fi
echo ""
# Test subscription limits
echo "=== Test 2: Subscription Limit Enforcement ==="
echo "[INFO] Testing subscription limits by creating multiple subscriptions..."
success_count=0
limit_hit=false
# Create multiple subscriptions in sequence (each in its own connection)
for i in {1..30}; do
echo "[INFO] Creating subscription $i..."
sub_id="limit_test_$i_$(date +%s%N)"
response=$(echo "[\"REQ\",\"$sub_id\",{}]" | timeout 5 websocat -n1 "$RELAY_URL" 2>/dev/null || echo "TIMEOUT")
if echo "$response" | grep -q "CLOSED.*$sub_id.*exceeded"; then
echo "[INFO] Hit subscription limit at subscription $i"
limit_hit=true
break
elif echo "$response" | grep -q "EOSE\|EVENT"; then
((success_count++))
else
echo "[WARN] Unexpected response for subscription $i: $response"
fi
sleep 0.1
done
if [ "$limit_hit" = true ]; then
echo "[PASS] Subscription limit enforcement working (limit hit after $success_count subscriptions)"
else
echo "[WARN] Subscription limit not hit after 30 attempts"
fi
echo ""
echo "=== Test Complete ==="