gf/third/github.com/Shopify/sarama/functional_test.go

149 lines
3.4 KiB
Go

package sarama
import (
"log"
"math/rand"
"net"
"os"
"strconv"
"strings"
"testing"
"time"
toxiproxy "gitee.com/johng/gf/third/github.com/Shopify/toxiproxy/client"
)
const (
VagrantToxiproxy = "http://192.168.100.67:8474"
VagrantKafkaPeers = "192.168.100.67:9091,192.168.100.67:9092,192.168.100.67:9093,192.168.100.67:9094,192.168.100.67:9095"
VagrantZookeeperPeers = "192.168.100.67:2181,192.168.100.67:2182,192.168.100.67:2183,192.168.100.67:2184,192.168.100.67:2185"
)
var (
kafkaAvailable, kafkaRequired bool
kafkaBrokers []string
proxyClient *toxiproxy.Client
Proxies map[string]*toxiproxy.Proxy
ZKProxies = []string{"zk1", "zk2", "zk3", "zk4", "zk5"}
KafkaProxies = []string{"kafka1", "kafka2", "kafka3", "kafka4", "kafka5"}
)
func init() {
if os.Getenv("DEBUG") == "true" {
Logger = log.New(os.Stdout, "[sarama] ", log.LstdFlags)
}
seed := time.Now().UTC().UnixNano()
if tmp := os.Getenv("TEST_SEED"); tmp != "" {
seed, _ = strconv.ParseInt(tmp, 0, 64)
}
Logger.Println("Using random seed:", seed)
rand.Seed(seed)
proxyAddr := os.Getenv("TOXIPROXY_ADDR")
if proxyAddr == "" {
proxyAddr = VagrantToxiproxy
}
proxyClient = toxiproxy.NewClient(proxyAddr)
kafkaPeers := os.Getenv("KAFKA_PEERS")
if kafkaPeers == "" {
kafkaPeers = VagrantKafkaPeers
}
kafkaBrokers = strings.Split(kafkaPeers, ",")
if c, err := net.DialTimeout("tcp", kafkaBrokers[0], 5*time.Second); err == nil {
if err = c.Close(); err == nil {
kafkaAvailable = true
}
}
kafkaRequired = os.Getenv("CI") != ""
}
func checkKafkaAvailability(t testing.TB) {
if !kafkaAvailable {
if kafkaRequired {
t.Fatalf("Kafka broker is not available on %s. Set KAFKA_PEERS to connect to Kafka on a different location.", kafkaBrokers[0])
} else {
t.Skipf("Kafka broker is not available on %s. Set KAFKA_PEERS to connect to Kafka on a different location.", kafkaBrokers[0])
}
}
}
func checkKafkaVersion(t testing.TB, requiredVersion string) {
kafkaVersion := os.Getenv("KAFKA_VERSION")
if kafkaVersion == "" {
t.Logf("No KAFKA_VERSION set. This test requires Kafka version %s or higher. Continuing...", requiredVersion)
} else {
available := parseKafkaVersion(kafkaVersion)
required := parseKafkaVersion(requiredVersion)
if !available.satisfies(required) {
t.Skipf("Kafka version %s is required for this test; you have %s. Skipping...", requiredVersion, kafkaVersion)
}
}
}
func resetProxies(t testing.TB) {
if err := proxyClient.ResetState(); err != nil {
t.Error(err)
}
Proxies = nil
}
func fetchProxies(t testing.TB) {
var err error
Proxies, err = proxyClient.Proxies()
if err != nil {
t.Fatal(err)
}
}
func SaveProxy(t *testing.T, px string) {
if err := Proxies[px].Save(); err != nil {
t.Fatal(err)
}
}
func setupFunctionalTest(t testing.TB) {
checkKafkaAvailability(t)
resetProxies(t)
fetchProxies(t)
}
func teardownFunctionalTest(t testing.TB) {
resetProxies(t)
}
type kafkaVersion []int
func (kv kafkaVersion) satisfies(other kafkaVersion) bool {
var ov int
for index, v := range kv {
if len(other) <= index {
ov = 0
} else {
ov = other[index]
}
if v < ov {
return false
} else if v > ov {
return true
}
}
return true
}
func parseKafkaVersion(version string) kafkaVersion {
numbers := strings.Split(version, ".")
result := make(kafkaVersion, 0, len(numbers))
for _, number := range numbers {
nr, _ := strconv.Atoi(number)
result = append(result, nr)
}
return result
}