influxdb/services/snapshotter/client_test.go

90 lines
2.0 KiB
Go

package snapshotter_test
import (
"bytes"
"encoding/binary"
"encoding/json"
"net"
"testing"
"time"
"github.com/influxdata/influxdb"
"github.com/influxdata/influxdb/services/snapshotter"
)
func TestClient_MetastoreBackup_InvalidMetadata(t *testing.T) {
metaBlob, err := data.MarshalBinary()
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
nodeBytes, err := json.Marshal(&influxdb.Node{ID: 1})
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
var numBytes [24]byte
// Write an invalid magic header.
binary.BigEndian.PutUint64(numBytes[:8], snapshotter.BackupMagicHeader+1)
binary.BigEndian.PutUint64(numBytes[8:16], uint64(len(metaBlob)))
binary.BigEndian.PutUint64(numBytes[16:24], uint64(len(nodeBytes)))
var buf bytes.Buffer
buf.Write(numBytes[:16])
buf.Write(metaBlob)
buf.Write(numBytes[16:24])
buf.Write(nodeBytes)
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
defer l.Close()
done := make(chan struct{})
go func() {
defer close(done)
conn, err := l.Accept()
if err != nil {
t.Errorf("error accepting tcp connection: %s", err)
return
}
defer conn.Close()
var header [1]byte
if _, err := conn.Read(header[:]); err != nil {
t.Errorf("unable to read mux header: %s", err)
return
}
var typ [1]byte
if _, err := conn.Read(typ[:]); err != nil {
t.Errorf("unable to read typ header: %s", err)
return
}
var m map[string]interface{}
dec := json.NewDecoder(conn)
if err := dec.Decode(&m); err != nil {
t.Errorf("invalid json request: %s", err)
return
}
conn.Write(buf.Bytes())
}()
c := snapshotter.NewClient(l.Addr().String())
_, err = c.MetastoreBackup()
if err == nil || err.Error() != "invalid metadata received" {
t.Errorf("unexpected error: got=%q want=%q", err, "invalid metadata received")
}
timer := time.NewTimer(100 * time.Millisecond)
select {
case <-done:
timer.Stop()
case <-timer.C:
t.Errorf("timeout while waiting for the goroutine")
}
}