telegraf/plugins/kafka_consumer/kafka_consumer_integration_...

66 lines
1.7 KiB
Go

package kafka_consumer
import (
"fmt"
"os"
"strings"
"testing"
"time"
"github.com/Shopify/sarama"
"github.com/influxdb/telegraf/testutil"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestReadsMetricsFromKafka(t *testing.T) {
if testing.Short() {
t.Skip("Skipping integration test in short mode")
}
var zkPeers, brokerPeers []string
if len(os.Getenv("ZOOKEEPER_PEERS")) == 0 {
zkPeers = []string{"localhost:2181"}
} else {
zkPeers = strings.Split(os.Getenv("ZOOKEEPER_PEERS"), ",")
}
if len(os.Getenv("KAFKA_PEERS")) == 0 {
brokerPeers = []string{"localhost:9092"}
} else {
brokerPeers = strings.Split(os.Getenv("KAFKA_PEERS"), ",")
}
k := &Kafka{
ConsumerGroupName: "telegraf_test_consumers",
Topic: fmt.Sprintf("telegraf_test_topic_%d", time.Now().Unix()),
ZookeeperPeers: zkPeers,
}
msg := "cpu_load_short,direction=in,host=server01,region=us-west value=23422.0 1422568543702900257"
producer, err := sarama.NewSyncProducer(brokerPeers, nil)
require.NoError(t, err)
_, _, err = producer.SendMessage(&sarama.ProducerMessage{Topic: k.Topic, Value: sarama.StringEncoder(msg)})
producer.Close()
var acc testutil.Accumulator
// Sanity check
assert.Equal(t, 0, len(acc.Points), "there should not be any points")
err = k.Gather(&acc)
require.NoError(t, err)
assert.Equal(t, 1, len(acc.Points), "there should be a single point")
point := acc.Points[0]
assert.Equal(t, "cpu_load_short", point.Measurement)
assert.Equal(t, map[string]interface{}{"value": 23422.0}, point.Values)
assert.Equal(t, map[string]string{
"host": "server01",
"direction": "in",
"region": "us-west",
}, point.Tags)
assert.Equal(t, time.Unix(0, 1422568543702900257), point.Time)
}