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2026-03-06 08:36:51 +07:00
parent aa7cdbd36f
commit 7205cc1ea3
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/**
* JavaScript Mix Payloads Receiver Test
* Tests the smartreceive function with mixed payload types
*/
const NATSBridge = require('../src/natsbridge.js');
const nats = require('nats');
const crypto = require('crypto');
const TEST_SUBJECT = '/test/mix';
const TEST_BROKER_URL = process.env.NATS_URL || 'nats://localhost:4222';
const TEST_FILESERVER_URL = process.env.FILESERVER_URL || 'http://localhost:8080';
async function runTest() {
console.log('=== JavaScript Mix Payloads Receiver Test ===\n');
const correlationId = crypto.randomUUID();
console.log(`Correlation ID: ${correlationId}`);
console.log(`Subject: ${TEST_SUBJECT}`);
console.log(`Broker URL: ${TEST_BROKER_URL}\n`);
// Expected test data - same as sender
const expectedTextData = 'Hello, NATSBridge!';
const expectedDictData = { key1: 'value1', key2: 42, nested: { a: 1, b: 2 } };
const expectedBinaryData = Buffer.from([0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A]); // PNG header
const expectedTableData = [
{ id: 1, name: 'Alice', age: 30 },
{ id: 2, name: 'Bob', age: 25 },
{ id: 3, name: 'Charlie', age: 35 }
];
const expectedDatanames = ['message', 'config', 'image', 'users'];
const expectedTypes = ['text', 'dictionary', 'image', 'table'];
let testPassed = true;
let messagesReceived = 0;
const receivedPayloads = [];
try {
// Connect to NATS
console.log('Connecting to NATS server...');
const nc = await nats.connect({ servers: TEST_BROKER_URL });
console.log('✅ Connected to NATS server\n');
// Set up message subscription
const subscription = nc.subscribe(TEST_SUBJECT);
// Wait for messages with timeout
const messagePromise = new Promise(async (resolve, reject) => {
const timeout = setTimeout(() => {
resolve('timeout');
}, 10000); // 10 second timeout
(async () => {
for await (const msg of subscription) {
clearTimeout(timeout);
messagesReceived++;
console.log(`\n=== Message ${messagesReceived} Received ===`);
console.log(`Raw payload length: ${msg.payload.length} bytes`);
try {
// Process the message using smartreceive
const envelope = await NATSBridge.smartreceive(msg, {
fileserver_download_handler: NATSBridge.fetchWithBackoff,
max_retries: 5,
base_delay: 100,
max_delay: 5000
});
console.log(`Correlation ID: ${envelope.correlation_id}`);
console.log(`Message ID: ${envelope.msg_id}`);
console.log(`Number of payloads: ${envelope.payloads.length}`);
receivedPayloads.push(envelope);
// Validate envelope structure
console.log('\n=== Envelope Validation ===');
if (envelope.payloads.length < 4) {
console.log(`❌ Expected at least 4 payloads, got ${envelope.payloads.length}`);
testPassed = false;
} else {
console.log(`✅ Correct number of payloads: ${envelope.payloads.length}`);
}
// Validate each payload
for (let i = 0; i < envelope.payloads.length; i++) {
const [dataname, data, dataType] = envelope.payloads[i];
console.log(`\n--- Payload ${i + 1}: ${dataname} (type: ${dataType}) ---`);
// Check dataname
if (i < expectedDatanames.length && dataname !== expectedDatanames[i]) {
console.log(`❌ Expected dataname '${expectedDatanames[i]}', got '${dataname}'`);
testPassed = false;
} else {
console.log(`✅ Correct dataname: ${dataname}`);
}
// Check data type
if (i < expectedTypes.length && dataType !== expectedTypes[i]) {
console.log(`❌ Expected type '${expectedTypes[i]}', got '${dataType}'`);
testPassed = false;
} else {
console.log(`✅ Correct type: ${dataType}`);
}
// Validate data based on type
if (dataType === 'text') {
if (typeof data === 'string' && data === expectedTextData) {
console.log(`✅ Text data verified: "${data}"`);
} else {
console.log(`❌ Text data mismatch. Expected: "${expectedTextData}", Got: "${data}"`);
testPassed = false;
}
} else if (dataType === 'dictionary') {
if (typeof data === 'object' && JSON.stringify(data) === JSON.stringify(expectedDictData)) {
console.log(`✅ Dictionary data verified`);
console.log(` Keys: ${Object.keys(data).join(', ')}`);
} else {
console.log(`❌ Dictionary data mismatch`);
console.log(` Expected: ${JSON.stringify(expectedDictData)}`);
console.log(` Got: ${JSON.stringify(data)}`);
testPassed = false;
}
} else if (dataType === 'image') {
if (data instanceof Buffer || data instanceof Uint8Array) {
const dataBuffer = Buffer.isBuffer(data) ? data : Buffer.from(data);
if (dataBuffer.length === expectedBinaryData.length) {
let dataMatch = true;
for (let j = 0; j < expectedBinaryData.length; j++) {
if (dataBuffer[j] !== expectedBinaryData[j]) {
dataMatch = false;
break;
}
}
if (dataMatch) {
console.log(`✅ Image data verified (${dataBuffer.length} bytes)`);
} else {
console.log(`❌ Image data mismatch`);
testPassed = false;
}
} else {
console.log(`❌ Image data length mismatch. Expected: ${expectedBinaryData.length}, Got: ${dataBuffer.length}`);
testPassed = false;
}
} else {
console.log(`❌ Image data is not a Buffer or Uint8Array`);
testPassed = false;
}
} else if (dataType === 'table') {
// For table data, check if it's an Arrow table-like object
if (data && typeof data === 'object') {
// Arrow tables have specific properties
if (data.numRows !== undefined && data.numCols !== undefined) {
console.log(`✅ Table data verified`);
console.log(` Rows: ${data.numRows}, Columns: ${data.numCols}`);
} else {
console.log(`⚠️ Table data received but not standard Arrow format`);
console.log(` Keys: ${Object.keys(data).join(', ')}`);
}
} else {
console.log(`❌ Table data is not a valid object`);
testPassed = false;
}
}
}
// Stop after receiving at least one valid message
if (messagesReceived >= 1) {
resolve('done');
}
} catch (error) {
console.error(`❌ Error processing message: ${error.message}`);
console.error(error.stack);
testPassed = false;
resolve('error');
}
}
})();
});
console.log('Waiting for messages...\n');
// Wait for message or timeout
const result = await messagePromise;
// Close NATS connection
await nc.close();
console.log('\n✅ NATS connection closed');
// Final result
console.log('\n=== Test Result ===');
if (messagesReceived === 0) {
console.log('❌ NO MESSAGES RECEIVED');
console.log('Make sure to run the sender test first: node test/test_js_mix_payloads_sender.js');
process.exit(1);
} else if (result === 'error') {
console.log('❌ ERROR PROCESSING MESSAGES');
process.exit(1);
} else if (testPassed) {
console.log('✅ ALL TESTS PASSED');
process.exit(0);
} else {
console.log('❌ SOME TESTS FAILED');
process.exit(1);
}
} catch (error) {
console.error('❌ Test failed with error:', error.message);
console.error(error.stack);
process.exit(1);
}
}
runTest();