Mainflux.mainflux/readers/cassandra/setup_test.go

76 lines
1.7 KiB
Go

// Copyright (c) Mainflux
// SPDX-License-Identifier: Apache-2.0
package cassandra_test
import (
"fmt"
"os"
"testing"
"github.com/gocql/gocql"
casclient "github.com/mainflux/mainflux/internal/clients/cassandra"
mflog "github.com/mainflux/mainflux/logger"
"github.com/ory/dockertest/v3"
)
var logger, _ = mflog.New(os.Stdout, mflog.Info.String())
func TestMain(m *testing.M) {
pool, err := dockertest.NewPool("")
if err != nil {
logger.Error(fmt.Sprintf("Could not connect to docker: %s", err))
}
container, err := pool.Run("cassandra", "3.11.9", []string{})
if err != nil {
logger.Error(fmt.Sprintf("Could not start container: %s", err))
}
port := container.GetPort("9042/tcp")
addr = fmt.Sprintf("%s:%s", addr, port)
if err = pool.Retry(func() error {
if err := createKeyspace([]string{addr}); err != nil {
return err
}
session, err := casclient.Connect(casclient.Config{
Hosts: []string{addr},
Keyspace: keyspace,
})
if err != nil {
return err
}
defer session.Close()
return nil
}); err != nil {
logger.Fatal(fmt.Sprintf("Could not connect to docker: %s", err))
}
code := m.Run()
if err := pool.Purge(container); err != nil {
logger.Error(fmt.Sprintf("Could not purge container: %s", err))
}
os.Exit(code)
}
func createKeyspace(hosts []string) error {
cluster := gocql.NewCluster(hosts...)
cluster.Consistency = gocql.Quorum
session, err := cluster.CreateSession()
if err != nil {
return err
}
defer session.Close()
keyspaceCQL := fmt.Sprintf(`CREATE KEYSPACE IF NOT EXISTS %s WITH replication =
{'class':'SimpleStrategy','replication_factor':'1'}`, keyspace)
return session.Query(keyspaceCQL).Exec()
}