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package topology
import ( "github.com/chrislusf/seaweedfs/weed/pb/master_pb" "github.com/chrislusf/seaweedfs/weed/sequence" "github.com/chrislusf/seaweedfs/weed/storage" "testing" )
func TestRemoveDataCenter(t *testing.T) { topo := setup(topologyLayout) topo.UnlinkChildNode(NodeId("dc2")) if topo.GetActiveVolumeCount() != 15 { t.Fail() } topo.UnlinkChildNode(NodeId("dc3")) if topo.GetActiveVolumeCount() != 12 { t.Fail() } }
func TestHandlingVolumeServerHeartbeat(t *testing.T) { topo := NewTopology("weedfs", sequence.NewMemorySequencer(), 32*1024, 5)
dc := topo.GetOrCreateDataCenter("dc1") rack := dc.GetOrCreateRack("rack1") dn := rack.GetOrCreateDataNode("127.0.0.1", 34534, "127.0.0.1", 25)
{ volumeCount := 7 var volumeMessages []*master_pb.VolumeInformationMessage for k := 1; k <= volumeCount; k++ { volumeMessage := &master_pb.VolumeInformationMessage{ Id: uint32(k), Size: uint64(25432), Collection: "", FileCount: uint64(2343), DeleteCount: uint64(345), DeletedByteCount: 34524, ReadOnly: false, ReplicaPlacement: uint32(0), Version: uint32(1), Ttl: 0, } volumeMessages = append(volumeMessages, volumeMessage) }
topo.SyncDataNodeRegistration(volumeMessages, dn)
assert(t, "activeVolumeCount1", int(topo.activeVolumeCount), volumeCount) assert(t, "volumeCount", int(topo.volumeCount), volumeCount) }
{ volumeCount := 7 - 1 var volumeMessages []*master_pb.VolumeInformationMessage for k := 1; k <= volumeCount; k++ { volumeMessage := &master_pb.VolumeInformationMessage{ Id: uint32(k), Size: uint64(254320), Collection: "", FileCount: uint64(2343), DeleteCount: uint64(345), DeletedByteCount: 345240, ReadOnly: false, ReplicaPlacement: uint32(0), Version: uint32(1), Ttl: 0, } volumeMessages = append(volumeMessages, volumeMessage) } topo.SyncDataNodeRegistration(volumeMessages, dn)
assert(t, "activeVolumeCount1", int(topo.activeVolumeCount), volumeCount) assert(t, "volumeCount", int(topo.volumeCount), volumeCount) }
topo.UnRegisterDataNode(dn)
assert(t, "activeVolumeCount2", int(topo.activeVolumeCount), 0)
}
func assert(t *testing.T, message string, actual, expected int) { if actual != expected { t.Fatalf("unexpected %s: %d, expected: %d", message, actual, expected) } }
func TestAddRemoveVolume(t *testing.T) {
topo := NewTopology("weedfs", sequence.NewMemorySequencer(), 32*1024, 5)
dc := topo.GetOrCreateDataCenter("dc1") rack := dc.GetOrCreateRack("rack1") dn := rack.GetOrCreateDataNode("127.0.0.1", 34534, "127.0.0.1", 25)
v := storage.VolumeInfo{ Id: storage.VolumeId(1), Size: 100, Collection: "xcollection", FileCount: 123, DeleteCount: 23, DeletedByteCount: 45, ReadOnly: false, Version: storage.CurrentVersion, ReplicaPlacement: &storage.ReplicaPlacement{}, Ttl: storage.EMPTY_TTL, }
dn.UpdateVolumes([]storage.VolumeInfo{v}) topo.RegisterVolumeLayout(v, dn)
if _, hasCollection := topo.FindCollection(v.Collection); !hasCollection { t.Errorf("collection %v should exist", v.Collection) }
topo.UnRegisterVolumeLayout(v, dn)
if _, hasCollection := topo.FindCollection(v.Collection); hasCollection { t.Errorf("collection %v should not exist", v.Collection) }
}
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