80 lines
2.6 KiB
JavaScript
80 lines
2.6 KiB
JavaScript
#!/usr/bin/env node
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// Test script for text transport testing
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// Tests receiving 1 large and 1 small text from JavaScript serviceA to JavaScript serviceB
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// Uses NATSBridge.js smartreceive with "text" type
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const { smartreceive, log_trace } = require('./src/NATSBridge');
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// Configuration
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const SUBJECT = "/NATSBridge_text_test";
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const NATS_URL = "nats.yiem.cc";
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// Helper: Log with correlation ID
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function log_trace(message) {
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const timestamp = new Date().toISOString();
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console.log(`[${timestamp}] ${message}`);
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}
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// Receiver: Listen for messages and verify text handling
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async function test_text_receive() {
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// Connect to NATS
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const { connect } = require('nats');
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const nc = await connect({ servers: [NATS_URL] });
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// Subscribe to the subject
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const sub = nc.subscribe(SUBJECT);
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for await (const msg of sub) {
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log_trace(`Received message on ${msg.subject}`);
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// Use NATSBridge.smartreceive to handle the data
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const result = await smartreceive(
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msg,
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{
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maxRetries: 5,
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baseDelay: 100,
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maxDelay: 5000
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}
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);
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// Result is a list of {dataname, data, type} objects
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for (const { dataname, data, type } of result) {
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if (typeof data === 'string') {
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log_trace(`Received text '${dataname}' of type ${type}`);
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log_trace(` Length: ${data.length} characters`);
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// Display first 100 characters
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if (data.length > 100) {
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log_trace(` First 100 characters: ${data.substring(0, 100)}...`);
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} else {
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log_trace(` Content: ${data}`);
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}
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// Save to file
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const fs = require('fs');
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const output_path = `./received_${dataname}.txt`;
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fs.writeFileSync(output_path, data);
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log_trace(`Saved text to ${output_path}`);
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} else {
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log_trace(`Received unexpected data type for '${dataname}': ${typeof data}`);
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}
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}
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}
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// Keep listening for 10 seconds
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setTimeout(() => {
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nc.close();
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process.exit(0);
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}, 120000);
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}
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// Run the test
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console.log("Starting text transport test...");
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console.log("Note: This receiver will wait for messages from the sender.");
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console.log("Run test_js_to_js_text_sender.js first to send test data.");
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// Run receiver
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console.log("testing smartreceive for text");
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test_text_receive();
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console.log("Test completed."); |