migrate/database/cassandra/cassandra_test.go

99 lines
2.5 KiB
Go

package cassandra
import (
"context"
"fmt"
"github.com/golang-migrate/migrate/v4"
"strconv"
"testing"
)
import (
"github.com/dhui/dktest"
"github.com/gocql/gocql"
)
import (
dt "github.com/golang-migrate/migrate/v4/database/testing"
"github.com/golang-migrate/migrate/v4/dktesting"
_ "github.com/golang-migrate/migrate/v4/source/file"
)
var (
opts = dktest.Options{PortRequired: true, ReadyFunc: isReady}
// Supported versions: http://cassandra.apache.org/download/
// Although Cassandra 2.x is supported by the Apache Foundation,
// the migrate db driver only supports Cassandra 3.x since it uses
// the system_schema keyspace.
specs = []dktesting.ContainerSpec{
{ImageName: "cassandra:3.0", Options: opts},
{ImageName: "cassandra:3.11", Options: opts},
}
)
func isReady(ctx context.Context, c dktest.ContainerInfo) bool {
// Cassandra exposes 5 ports (7000, 7001, 7199, 9042 & 9160)
// We only need the port bound to 9042
ip, portStr, err := c.Port(9042)
if err != nil {
return false
}
port, err := strconv.Atoi(portStr)
if err != nil {
return false
}
cluster := gocql.NewCluster(ip)
cluster.Port = port
cluster.Consistency = gocql.All
p, err := cluster.CreateSession()
if err != nil {
return false
}
defer p.Close()
// Create keyspace for tests
if err = p.Query("CREATE KEYSPACE testks WITH REPLICATION = {'class': 'SimpleStrategy', 'replication_factor':1}").Exec(); err != nil {
return false
}
return true
}
func Test(t *testing.T) {
dktesting.ParallelTest(t, specs, func(t *testing.T, c dktest.ContainerInfo) {
ip, port, err := c.Port(9042)
if err != nil {
t.Fatal("Unable to get mapped port:", err)
}
addr := fmt.Sprintf("cassandra://%v:%v/testks", ip, port)
p := &Cassandra{}
d, err := p.Open(addr)
if err != nil {
t.Fatalf("%v", err)
}
defer d.Close()
dt.Test(t, d, []byte("SELECT table_name from system_schema.tables"))
})
}
func TestMigrate(t *testing.T) {
dktesting.ParallelTest(t, specs, func(t *testing.T, c dktest.ContainerInfo) {
ip, port, err := c.Port(9042)
if err != nil {
t.Fatal("Unable to get mapped port:", err)
}
addr := fmt.Sprintf("cassandra://%v:%v/testks", ip, port)
p := &Cassandra{}
d, err := p.Open(addr)
if err != nil {
t.Fatalf("%v", err)
}
defer d.Close()
m, err := migrate.NewWithDatabaseInstance("file://./examples/migrations", "testks", d)
if err != nil {
t.Fatalf("%v", err)
}
dt.TestMigrate(t, m, []byte("SELECT table_name from system_schema.tables"))
})
}