REST API testing improvements

Enhancements for REST API Responses and Headers

Response Body Enhancements

1. Unique Identifier for Query Execution

   • Include a query_id or execution_id for debugging and tracking specific requests.

2. Performance Metrics

   • Query Execution Time: Time taken to execute the SQL query (in ms or seconds).
   • Data Processing Time: Time taken to process or transform data.
   • Total Response Time: End-to-end time from request receipt to response generation.

3. Pagination Information

   • total_records: Total number of records in the result set.
   • page_size: Number of records in the current response.
   • current_page: Current page number.
   • total_pages: Total number of pages.

4. Data Summary

   • Row Count: Number of rows returned in the response.
   • Aggregates: Optional aggregates like sums, averages, or counts.

5. Request Metadata

   • Echo relevant parts of the request (e.g., query parameters, filters, sorting).

6. Error Details (if applicable)

   {
     "errors": [
       {
         "code": "DB_TIMEOUT",
         "message": "The database query timed out.",
         "timestamp": "2025-01-26T12:34:56Z"
       }
     ]
   }

7. Data Source Metadata

   • source_db: Name of the database or schema.
   • query_type: Type of query executed (e.g., SELECT, UPDATE).
   • rows_scanned: Number of rows scanned to produce the result.

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Response Headers Enhancements

1. Performance Metrics

   • X-Query-Execution-Time: Time taken for the SQL query execution.
   • X-Processing-Time: Time taken to process the data.
   • X-Total-Response-Time: Total time for the request.

2. Rate Limiting

   • X-RateLimit-Limit: Maximum number of requests allowed.
   • X-RateLimit-Remaining: Remaining requests in the current window.
   • X-RateLimit-Reset: Time when the rate limit resets.

3. Request ID

   • X-Request-ID: Unique identifier for the request.

4. Cache Control

   • Cache-Control: Specify cache duration or indicate no-cache.
   • ETag: Unique hash for cache validation.

5. Pagination

   • X-Total-Records: Total records in the data set.
   • X-Page-Size: Number of records per page.
   • X-Current-Page: Current page number.
   • X-Total-Pages: Total number of pages.

6. Security

   • X-Content-Type-Options: nosniff to prevent MIME type sniffing.
   • X-Frame-Options: DENY to prevent clickjacking.
   • Content-Security-Policy: Define secure data handling policies.

7. Custom Headers

   • X-Query-ID: Unique query identifier.
   • X-Data-Checksum: Hash or checksum of the returned data for integrity verification.