seaweedfs/weed/cluster/lock_manager/lock_ring_test.go
2023-06-19 23:48:33 -07:00

52 lines
1.5 KiB
Go

package lock_manager
import (
"github.com/seaweedfs/seaweedfs/weed/pb"
"github.com/stretchr/testify/assert"
"testing"
"time"
)
func TestAddServer(t *testing.T) {
counter := 0
r := NewLockRing(100*time.Millisecond, func(snapshot []pb.ServerAddress) {
counter++
if counter == 1 {
assert.Equal(t, 1, len(snapshot))
} else if counter == 2 {
assert.Equal(t, 2, len(snapshot))
}
})
r.AddServer("localhost:8080")
assert.Equal(t, 1, len(r.snapshots))
r.AddServer("localhost:8081")
r.AddServer("localhost:8082")
r.AddServer("localhost:8083")
r.AddServer("localhost:8084")
r.RemoveServer("localhost:8084")
r.RemoveServer("localhost:8082")
r.RemoveServer("localhost:8080")
assert.Equal(t, 8, len(r.snapshots))
time.Sleep(110 * time.Millisecond)
assert.Equal(t, 2, len(r.snapshots))
}
func TestLockRing(t *testing.T) {
r := NewLockRing(100*time.Millisecond, nil)
r.SetSnapshot([]pb.ServerAddress{"localhost:8080", "localhost:8081"})
assert.Equal(t, 1, len(r.snapshots))
r.SetSnapshot([]pb.ServerAddress{"localhost:8080", "localhost:8081", "localhost:8082"})
assert.Equal(t, 2, len(r.snapshots))
time.Sleep(110 * time.Millisecond)
r.SetSnapshot([]pb.ServerAddress{"localhost:8080", "localhost:8081", "localhost:8082", "localhost:8083"})
assert.Equal(t, 3, len(r.snapshots))
time.Sleep(110 * time.Millisecond)
assert.Equal(t, 2, len(r.snapshots))
r.SetSnapshot([]pb.ServerAddress{"localhost:8080", "localhost:8081", "localhost:8082", "localhost:8083", "localhost:8084"})
assert.Equal(t, 3, len(r.snapshots))
}