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| 1 | +import { once } from 'node:events' |
| 2 | +import { waitAndRetry } from '@lokalise/universal-ts-utils/node' |
| 3 | +import { KafkaConsumer, type Message, Producer, features, librdkafkaVersion } from 'node-rdkafka' |
| 4 | + |
| 5 | +// TODO: to be removed once we have proper tests |
| 6 | +describe('Test', () => { |
| 7 | + it('should use node-rdkafka', () => { |
| 8 | + expect(features).toBeDefined() |
| 9 | + expect(librdkafkaVersion).toBeDefined() |
| 10 | + }) |
| 11 | + |
| 12 | + it('should send and receive a message', { timeout: 10000 }, async () => { |
| 13 | + // Given |
| 14 | + const brokers = 'localhost:9092' |
| 15 | + // Use a fresh, unique topic per run to avoid stale state |
| 16 | + const topic = `test-topic-${Date.now()}` |
| 17 | + const messageValue = 'My test message' |
| 18 | + |
| 19 | + const receivedMessages: Message[] = [] |
| 20 | + |
| 21 | + // Create a producer |
| 22 | + const producer = new Producer({ |
| 23 | + 'metadata.broker.list': brokers, |
| 24 | + 'allow.auto.create.topics': true, |
| 25 | + }) |
| 26 | + producer.connect() |
| 27 | + await once(producer, 'ready') |
| 28 | + |
| 29 | + // Create a consumer with a unique group and disable auto-commit for fresh offsets |
| 30 | + const consumer = new KafkaConsumer( |
| 31 | + { |
| 32 | + 'group.id': 'test-group', |
| 33 | + 'metadata.broker.list': brokers, |
| 34 | + 'allow.auto.create.topics': true, |
| 35 | + 'enable.auto.commit': false, |
| 36 | + }, |
| 37 | + { 'auto.offset.reset': 'earliest' }, |
| 38 | + ) |
| 39 | + consumer.connect() |
| 40 | + |
| 41 | + await new Promise<void>((resolve, reject) => |
| 42 | + consumer |
| 43 | + .on('ready', () => { |
| 44 | + consumer.subscribe([topic]) |
| 45 | + consumer.consume() |
| 46 | + resolve() |
| 47 | + }) |
| 48 | + .on('event.error', (err) => reject(err)) |
| 49 | + .on('data', (data) => { |
| 50 | + receivedMessages.push(data) |
| 51 | + }), |
| 52 | + ) |
| 53 | + |
| 54 | + // When |
| 55 | + producer.produce(topic, null, Buffer.from(messageValue)) |
| 56 | + producer.flush() |
| 57 | + |
| 58 | + // Then |
| 59 | + await waitAndRetry(() => receivedMessages.length > 0, 10, 800) |
| 60 | + expect(receivedMessages).toHaveLength(1) |
| 61 | + expect(receivedMessages[0]?.value?.toString()).toBe(messageValue) |
| 62 | + |
| 63 | + // Cleanup |
| 64 | + producer.disconnect() |
| 65 | + consumer.disconnect() |
| 66 | + }) |
| 67 | +}) |
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