seaweedfs/weed/election/cluster_test.go

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2021-11-04 07:54:38 +00:00
package election
import (
"github.com/chrislusf/seaweedfs/weed/pb"
"github.com/stretchr/testify/assert"
"testing"
)
func TestClusterAddRemoveNodes(t *testing.T) {
c := NewCluster()
c.AddClusterNode("filer", pb.ServerAddress("111:1"), "23.45")
c.AddClusterNode("filer", pb.ServerAddress("111:2"), "23.45")
assert.Equal(t, []pb.ServerAddress{
pb.ServerAddress("111:1"),
pb.ServerAddress("111:2"),
}, c.leaders.GetLeaders())
c.AddClusterNode("filer", pb.ServerAddress("111:3"), "23.45")
c.AddClusterNode("filer", pb.ServerAddress("111:4"), "23.45")
assert.Equal(t, []pb.ServerAddress{
pb.ServerAddress("111:1"),
pb.ServerAddress("111:2"),
pb.ServerAddress("111:3"),
}, c.leaders.GetLeaders())
c.AddClusterNode("filer", pb.ServerAddress("111:5"), "23.45")
c.AddClusterNode("filer", pb.ServerAddress("111:6"), "23.45")
c.RemoveClusterNode("filer", pb.ServerAddress("111:4"))
assert.Equal(t, []pb.ServerAddress{
pb.ServerAddress("111:1"),
pb.ServerAddress("111:2"),
pb.ServerAddress("111:3"),
}, c.leaders.GetLeaders())
// remove oldest
c.RemoveClusterNode("filer", pb.ServerAddress("111:1"))
assert.Equal(t, []pb.ServerAddress{
pb.ServerAddress("111:6"),
pb.ServerAddress("111:2"),
pb.ServerAddress("111:3"),
}, c.leaders.GetLeaders())
// remove oldest
c.RemoveClusterNode("filer", pb.ServerAddress("111:1"))
}