Files
NATSBridge/test/test_micropython_mixed_receiver.py
2026-02-23 06:58:16 +07:00

97 lines
4.3 KiB
Python

#!/usr/bin/env python3
"""
Test script for mixed payload testing - Receiver
Tests receiving mixed payload types via NATS using nats_bridge.py smartreceive
"""
import sys
import os
import json
# Add src to path for import
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', 'src'))
from nats_bridge import smartreceive, log_trace
import nats
import asyncio
# Configuration
SUBJECT = "/NATSBridge_mixed_test"
NATS_URL = "nats://nats.yiem.cc:4222"
async def main():
log_trace("", f"Starting mixed payload receiver test...")
log_trace("", f"Note: This receiver will wait for messages from the sender.")
log_trace("", f"Run test_micropython_mixed_sender.py first to send test data.")
# Connect to NATS
nc = await nats.connect(NATS_URL)
log_trace("", f"Connected to NATS at {NATS_URL}")
# Subscribe to the subject
async def message_handler(msg):
log_trace("", f"Received message on {msg.subject}")
# Use smartreceive to handle the data
result = smartreceive(msg.data)
log_trace(result.get("correlationId", ""), f"Received envelope with {len(result['payloads'])} payloads")
# Result is an envelope dictionary with payloads field containing list of (dataname, data, data_type) tuples
for dataname, data, data_type in result["payloads"]:
log_trace(result.get("correlationId", ""), f"\n--- Payload: {dataname} (type: {data_type}) ---")
if isinstance(data, str):
log_trace(result.get("correlationId", ""), f" Type: text/string")
log_trace(result.get("correlationId", ""), f" Length: {len(data)} characters")
if len(data) <= 100:
log_trace(result.get("correlationId", ""), f" Content: {data}")
else:
log_trace(result.get("correlationId", ""), f" First 100 chars: {data[:100]}...")
# Save to file
output_path = f"./received_{dataname}.txt"
with open(output_path, 'w') as f:
f.write(data)
log_trace(result.get("correlationId", ""), f" Saved to: {output_path}")
elif isinstance(data, dict):
log_trace(result.get("correlationId", ""), f" Type: dictionary")
log_trace(result.get("correlationId", ""), f" Keys: {list(data.keys())}")
log_trace(result.get("correlationId", ""), f" Content: {json.dumps(data, indent=2)}")
# Save to file
output_path = f"./received_{dataname}.json"
with open(output_path, 'w') as f:
json.dump(data, f, indent=2)
log_trace(result.get("correlationId", ""), f" Saved to: {output_path}")
elif isinstance(data, bytes):
log_trace(result.get("correlationId", ""), f" Type: binary")
log_trace(result.get("correlationId", ""), f" Size: {len(data)} bytes")
log_trace(result.get("correlationId", ""), f" First 100 bytes (hex): {data[:100].hex()}")
# Save to file
output_path = f"./received_{dataname}.bin"
with open(output_path, 'wb') as f:
f.write(data)
log_trace(result.get("correlationId", ""), f" Saved to: {output_path}")
else:
log_trace(result.get("correlationId", ""), f" Received unexpected data type: {type(data)}")
# Log envelope metadata
log_trace(result.get("correlationId", ""), f"\n--- Envelope Metadata ---")
log_trace(result.get("correlationId", ""), f" Correlation ID: {result.get('correlationId', 'N/A')}")
log_trace(result.get("correlationId", ""), f" Message ID: {result.get('msgId', 'N/A')}")
log_trace(result.get("correlationId", ""), f" Sender: {result.get('senderName', 'N/A')}")
log_trace(result.get("correlationId", ""), f" Purpose: {result.get('msgPurpose', 'N/A')}")
sid = await nc.subscribe(SUBJECT, cb=message_handler)
log_trace("", f"Subscribed to {SUBJECT} with subscription ID: {sid}")
# Keep listening for 120 seconds
await asyncio.sleep(120)
await nc.close()
log_trace("", "Test completed.")
if __name__ == "__main__":
asyncio.run(main())