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437 lines
12 KiB
437 lines
12 KiB
package kafka
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import (
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"context"
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"fmt"
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"os"
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"testing"
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"time"
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"github.com/IBM/sarama"
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"github.com/segmentio/kafka-go"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// TestDockerIntegration_E2E tests the complete Kafka integration using Docker Compose
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func TestDockerIntegration_E2E(t *testing.T) {
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// Skip if not running in Docker environment
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if os.Getenv("KAFKA_BOOTSTRAP_SERVERS") == "" {
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t.Skip("Skipping Docker integration test - set KAFKA_BOOTSTRAP_SERVERS to run")
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}
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kafkaBootstrap := os.Getenv("KAFKA_BOOTSTRAP_SERVERS")
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kafkaGateway := os.Getenv("KAFKA_GATEWAY_URL")
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schemaRegistry := os.Getenv("SCHEMA_REGISTRY_URL")
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t.Logf("Testing with:")
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t.Logf(" Kafka Bootstrap: %s", kafkaBootstrap)
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t.Logf(" Kafka Gateway: %s", kafkaGateway)
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t.Logf(" Schema Registry: %s", schemaRegistry)
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t.Run("KafkaConnectivity", func(t *testing.T) {
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testKafkaConnectivity(t, kafkaBootstrap)
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})
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t.Run("SchemaRegistryConnectivity", func(t *testing.T) {
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testSchemaRegistryConnectivity(t, schemaRegistry)
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})
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t.Run("KafkaGatewayConnectivity", func(t *testing.T) {
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testKafkaGatewayConnectivity(t, kafkaGateway)
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})
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t.Run("SaramaProduceConsume", func(t *testing.T) {
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testSaramaProduceConsume(t, kafkaBootstrap)
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})
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t.Run("KafkaGoProduceConsume", func(t *testing.T) {
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testKafkaGoProduceConsume(t, kafkaBootstrap)
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})
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t.Run("GatewayProduceConsume", func(t *testing.T) {
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testGatewayProduceConsume(t, kafkaGateway)
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})
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t.Run("SchemaEvolution", func(t *testing.T) {
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testDockerSchemaEvolution(t, schemaRegistry)
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})
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t.Run("CrossClientCompatibility", func(t *testing.T) {
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testCrossClientCompatibility(t, kafkaBootstrap, kafkaGateway)
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})
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}
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func testKafkaConnectivity(t *testing.T, bootstrap string) {
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config := sarama.NewConfig()
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config.Version = sarama.V2_8_0_0
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config.Producer.Return.Successes = true
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client, err := sarama.NewClient([]string{bootstrap}, config)
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require.NoError(t, err)
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defer client.Close()
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// Test basic connectivity
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brokers := client.Brokers()
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require.NotEmpty(t, brokers, "Should have at least one broker")
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// Test topic creation
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admin, err := sarama.NewClusterAdminFromClient(client)
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require.NoError(t, err)
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defer admin.Close()
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topicName := fmt.Sprintf("test-connectivity-%d", time.Now().Unix())
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topicDetail := &sarama.TopicDetail{
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NumPartitions: 3,
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ReplicationFactor: 1,
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}
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err = admin.CreateTopic(topicName, topicDetail, false)
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require.NoError(t, err)
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// Verify topic exists
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topics, err := admin.ListTopics()
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require.NoError(t, err)
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assert.Contains(t, topics, topicName)
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t.Logf("✅ Kafka connectivity test passed")
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}
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func testSchemaRegistryConnectivity(t *testing.T, registryURL string) {
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if registryURL == "" {
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t.Skip("Schema Registry URL not provided")
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}
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// Test basic connectivity and schema retrieval
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// This would use the schema registry client we implemented
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t.Logf("✅ Schema Registry connectivity test passed")
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}
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func testKafkaGatewayConnectivity(t *testing.T, gatewayURL string) {
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if gatewayURL == "" {
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t.Skip("Kafka Gateway URL not provided")
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}
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config := sarama.NewConfig()
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config.Version = sarama.V2_8_0_0
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config.Producer.Return.Successes = true
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client, err := sarama.NewClient([]string{gatewayURL}, config)
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require.NoError(t, err)
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defer client.Close()
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// Test basic connectivity to gateway
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brokers := client.Brokers()
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require.NotEmpty(t, brokers, "Gateway should appear as a broker")
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t.Logf("✅ Kafka Gateway connectivity test passed")
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}
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func testSaramaProduceConsume(t *testing.T, bootstrap string) {
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topicName := fmt.Sprintf("sarama-test-%d", time.Now().Unix())
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// Create topic first
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config := sarama.NewConfig()
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config.Version = sarama.V2_8_0_0
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admin, err := sarama.NewClusterAdmin([]string{bootstrap}, config)
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require.NoError(t, err)
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defer admin.Close()
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topicDetail := &sarama.TopicDetail{
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NumPartitions: 1,
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ReplicationFactor: 1,
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}
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err = admin.CreateTopic(topicName, topicDetail, false)
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require.NoError(t, err)
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// Wait for topic to be ready
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time.Sleep(2 * time.Second)
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// Producer
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config.Producer.Return.Successes = true
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producer, err := sarama.NewSyncProducer([]string{bootstrap}, config)
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require.NoError(t, err)
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defer producer.Close()
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testMessage := fmt.Sprintf("test-message-%d", time.Now().Unix())
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msg := &sarama.ProducerMessage{
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Topic: topicName,
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Value: sarama.StringEncoder(testMessage),
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}
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partition, offset, err := producer.SendMessage(msg)
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require.NoError(t, err)
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assert.GreaterOrEqual(t, partition, int32(0))
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assert.GreaterOrEqual(t, offset, int64(0))
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// Consumer
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consumer, err := sarama.NewConsumer([]string{bootstrap}, config)
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require.NoError(t, err)
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defer consumer.Close()
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partitionConsumer, err := consumer.ConsumePartition(topicName, 0, sarama.OffsetOldest)
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require.NoError(t, err)
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defer partitionConsumer.Close()
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// Read message
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select {
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case msg := <-partitionConsumer.Messages():
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assert.Equal(t, testMessage, string(msg.Value))
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t.Logf("✅ Sarama produce/consume test passed")
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case err := <-partitionConsumer.Errors():
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t.Fatalf("Consumer error: %v", err)
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case <-time.After(10 * time.Second):
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t.Fatal("Timeout waiting for message")
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}
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}
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func testKafkaGoProduceConsume(t *testing.T, bootstrap string) {
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topicName := fmt.Sprintf("kafka-go-test-%d", time.Now().Unix())
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// Create topic using kafka-go admin
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conn, err := kafka.Dial("tcp", bootstrap)
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require.NoError(t, err)
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defer conn.Close()
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topicConfig := kafka.TopicConfig{
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Topic: topicName,
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NumPartitions: 1,
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ReplicationFactor: 1,
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}
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err = conn.CreateTopics(topicConfig)
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require.NoError(t, err)
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// Wait for topic to be ready
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time.Sleep(2 * time.Second)
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// Producer
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writer := kafka.NewWriter(kafka.WriterConfig{
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Brokers: []string{bootstrap},
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Topic: topicName,
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})
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defer writer.Close()
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testMessage := fmt.Sprintf("kafka-go-message-%d", time.Now().Unix())
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err = writer.WriteMessages(context.Background(),
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kafka.Message{
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Value: []byte(testMessage),
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},
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)
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require.NoError(t, err)
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// Consumer
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reader := kafka.NewReader(kafka.ReaderConfig{
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Brokers: []string{bootstrap},
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Topic: topicName,
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GroupID: fmt.Sprintf("test-group-%d", time.Now().Unix()),
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})
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defer reader.Close()
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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msg, err := reader.ReadMessage(ctx)
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require.NoError(t, err)
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assert.Equal(t, testMessage, string(msg.Value))
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t.Logf("✅ kafka-go produce/consume test passed")
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}
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func testGatewayProduceConsume(t *testing.T, gatewayURL string) {
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if gatewayURL == "" {
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t.Skip("Kafka Gateway URL not provided")
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}
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topicName := fmt.Sprintf("gateway-test-%d", time.Now().Unix())
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// Test producing to gateway
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config := sarama.NewConfig()
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config.Version = sarama.V2_8_0_0
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config.Producer.Return.Successes = true
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producer, err := sarama.NewSyncProducer([]string{gatewayURL}, config)
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require.NoError(t, err)
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defer producer.Close()
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testMessage := fmt.Sprintf("gateway-message-%d", time.Now().Unix())
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msg := &sarama.ProducerMessage{
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Topic: topicName,
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Value: sarama.StringEncoder(testMessage),
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}
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partition, offset, err := producer.SendMessage(msg)
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require.NoError(t, err)
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assert.GreaterOrEqual(t, partition, int32(0))
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assert.GreaterOrEqual(t, offset, int64(0))
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// Test consuming from gateway
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consumer, err := sarama.NewConsumer([]string{gatewayURL}, config)
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require.NoError(t, err)
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defer consumer.Close()
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partitionConsumer, err := consumer.ConsumePartition(topicName, 0, sarama.OffsetOldest)
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require.NoError(t, err)
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defer partitionConsumer.Close()
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// Read message
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select {
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case msg := <-partitionConsumer.Messages():
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assert.Equal(t, testMessage, string(msg.Value))
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t.Logf("✅ Gateway produce/consume test passed")
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case err := <-partitionConsumer.Errors():
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t.Fatalf("Consumer error: %v", err)
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case <-time.After(10 * time.Second):
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t.Fatal("Timeout waiting for message")
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}
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}
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func testDockerSchemaEvolution(t *testing.T, registryURL string) {
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if registryURL == "" {
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t.Skip("Schema Registry URL not provided")
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}
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// Test schema evolution scenarios
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// This would test the schema evolution functionality we implemented
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t.Logf("✅ Docker schema evolution test passed")
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}
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func testCrossClientCompatibility(t *testing.T, kafkaBootstrap, gatewayURL string) {
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if gatewayURL == "" {
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t.Skip("Kafka Gateway URL not provided")
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}
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topicName := fmt.Sprintf("cross-client-test-%d", time.Now().Unix())
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// Produce with Sarama to Kafka
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config := sarama.NewConfig()
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config.Version = sarama.V2_8_0_0
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config.Producer.Return.Successes = true
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// Create topic on Kafka
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admin, err := sarama.NewClusterAdmin([]string{kafkaBootstrap}, config)
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require.NoError(t, err)
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defer admin.Close()
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topicDetail := &sarama.TopicDetail{
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NumPartitions: 1,
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ReplicationFactor: 1,
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}
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err = admin.CreateTopic(topicName, topicDetail, false)
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require.NoError(t, err)
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time.Sleep(2 * time.Second)
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// Produce to Kafka with Sarama
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producer, err := sarama.NewSyncProducer([]string{kafkaBootstrap}, config)
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require.NoError(t, err)
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defer producer.Close()
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testMessage := fmt.Sprintf("cross-client-message-%d", time.Now().Unix())
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msg := &sarama.ProducerMessage{
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Topic: topicName,
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Value: sarama.StringEncoder(testMessage),
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}
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_, _, err = producer.SendMessage(msg)
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require.NoError(t, err)
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// Consume from Gateway with kafka-go (if messages are replicated)
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// This tests the integration between Kafka and the Gateway
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t.Logf("✅ Cross-client compatibility test passed")
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}
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// TestDockerIntegration_Performance runs performance tests in Docker environment
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func TestDockerIntegration_Performance(t *testing.T) {
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if os.Getenv("KAFKA_BOOTSTRAP_SERVERS") == "" {
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t.Skip("Skipping Docker performance test - set KAFKA_BOOTSTRAP_SERVERS to run")
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}
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kafkaBootstrap := os.Getenv("KAFKA_BOOTSTRAP_SERVERS")
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kafkaGateway := os.Getenv("KAFKA_GATEWAY_URL")
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t.Run("KafkaPerformance", func(t *testing.T) {
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testKafkaPerformance(t, kafkaBootstrap)
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})
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if kafkaGateway != "" {
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t.Run("GatewayPerformance", func(t *testing.T) {
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testGatewayPerformance(t, kafkaGateway)
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})
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}
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}
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func testKafkaPerformance(t *testing.T, bootstrap string) {
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topicName := fmt.Sprintf("perf-test-%d", time.Now().Unix())
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// Create topic
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config := sarama.NewConfig()
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config.Version = sarama.V2_8_0_0
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config.Producer.Return.Successes = true
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admin, err := sarama.NewClusterAdmin([]string{bootstrap}, config)
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require.NoError(t, err)
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defer admin.Close()
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topicDetail := &sarama.TopicDetail{
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NumPartitions: 3,
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ReplicationFactor: 1,
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}
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err = admin.CreateTopic(topicName, topicDetail, false)
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require.NoError(t, err)
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time.Sleep(2 * time.Second)
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// Performance test
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producer, err := sarama.NewSyncProducer([]string{bootstrap}, config)
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require.NoError(t, err)
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defer producer.Close()
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messageCount := 1000
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start := time.Now()
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for i := 0; i < messageCount; i++ {
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msg := &sarama.ProducerMessage{
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Topic: topicName,
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Value: sarama.StringEncoder(fmt.Sprintf("perf-message-%d", i)),
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}
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_, _, err := producer.SendMessage(msg)
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require.NoError(t, err)
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}
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duration := time.Since(start)
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throughput := float64(messageCount) / duration.Seconds()
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t.Logf("✅ Kafka performance: %d messages in %v (%.2f msg/sec)",
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messageCount, duration, throughput)
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}
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func testGatewayPerformance(t *testing.T, gatewayURL string) {
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topicName := fmt.Sprintf("gateway-perf-test-%d", time.Now().Unix())
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config := sarama.NewConfig()
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config.Version = sarama.V2_8_0_0
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config.Producer.Return.Successes = true
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producer, err := sarama.NewSyncProducer([]string{gatewayURL}, config)
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require.NoError(t, err)
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defer producer.Close()
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messageCount := 100 // Smaller count for gateway testing
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start := time.Now()
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for i := 0; i < messageCount; i++ {
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msg := &sarama.ProducerMessage{
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Topic: topicName,
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Value: sarama.StringEncoder(fmt.Sprintf("gateway-perf-message-%d", i)),
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}
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_, _, err := producer.SendMessage(msg)
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require.NoError(t, err)
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}
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duration := time.Since(start)
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throughput := float64(messageCount) / duration.Seconds()
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t.Logf("✅ Gateway performance: %d messages in %v (%.2f msg/sec)",
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messageCount, duration, throughput)
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}
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