Add Bash/linedump-ratelimit-test

Bash%2Flinedump-ratelimit-test.-.md

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+```bash
+#!/bin/bash
+
+# Test script for linedump rate limiting
+# This script will attempt to upload files rapidly to test the rate limit
+
+SERVER_URL=${1:-"http://localhost:8000"}
+TEST_UPLOADS=${2:-55}  # Test more than the default 50/hour limit
+
+echo "Testing rate limit on $SERVER_URL"
+echo "Attempting $TEST_UPLOADS uploads..."
+echo "Expected: First ~50 should succeed, then rate limit should kick in"
+echo
+
+success_count=0
+rate_limited_count=0
+
+for i in $(seq 1 $TEST_UPLOADS); do
+    # Create unique test content for each upload
+    test_content="Test upload #$i - $(date '+%H:%M:%S')"
+
+    # Make the upload request and capture HTTP status
+    response=$(curl -s -w "%{http_code}" -X POST -d "$test_content" "$SERVER_URL/")
+    http_code="${response: -3}"  # Last 3 characters are the HTTP code
+    response_body="${response%???}"  # Everything except last 3 characters
+
+    if [ "$http_code" = "200" ]; then
+        success_count=$((success_count + 1))
+        echo "✓ Upload $i: SUCCESS (HTTP $http_code) - $response_body"
+    elif [ "$http_code" = "429" ]; then
+        rate_limited_count=$((rate_limited_count + 1))
+        echo "✗ Upload $i: RATE LIMITED (HTTP $http_code)"
+    else
+        echo "! Upload $i: UNEXPECTED (HTTP $http_code) - $response_body"
+    fi
+
+    # Small delay to avoid overwhelming the server
+    sleep 0.1
+done
+
+echo
+echo "=== RESULTS ==="
+echo "Successful uploads: $success_count"
+echo "Rate limited: $rate_limited_count"
+echo "Total attempts: $TEST_UPLOADS"
+
+if [ $rate_limited_count -gt 0 ]; then
+    echo "✓ Rate limiting is working!"
+else
+    echo "⚠ No rate limiting detected - check server configuration"
+fi
+```