| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package zookeeper |
| |
| import ( |
| "testing" |
| "time" |
| ) |
| |
| import ( |
| "github.com/dubbogo/go-zookeeper/zk" |
| "github.com/stretchr/testify/assert" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go/common/logger" |
| ) |
| |
| func verifyEventStateOrder(t *testing.T, c <-chan zk.Event, expectedStates []zk.State, source string) { |
| for _, state := range expectedStates { |
| for { |
| event, ok := <-c |
| if !ok { |
| t.Fatalf("unexpected channel close for %s", source) |
| } |
| logger.Debug(event) |
| if event.Type != zk.EventSession { |
| continue |
| } |
| |
| if event.State != state { |
| t.Fatalf("mismatched state order from %s, expected %v, received %v", source, state, event.State) |
| } |
| break |
| } |
| } |
| } |
| |
| //func Test_newZookeeperClient(t *testing.T) { |
| // ts, err := zk.StartTestCluster(1, nil, nil) |
| // if err != nil { |
| // t.Fatal(err) |
| // } |
| // defer ts.Stop() |
| // |
| // callbackChan := make(chan zk.Event) |
| // f := func(event zk.Event) { |
| // callbackChan <- event |
| // } |
| // |
| // zook, eventChan, err := ts.ConnectWithOptions(15*time.Second, zk.WithEventCallback(f)) |
| // if err != nil { |
| // t.Fatalf("Connect returned error: %+v", err) |
| // } |
| // |
| // states := []zk.State{zk.StateConnecting, zk.StateConnected, zk.StateHasSession} |
| // verifyEventStateOrder(t, callbackChan, states, "callback") |
| // verifyEventStateOrder(t, eventChan, states, "event channel") |
| // |
| // zook.Close() |
| // verifyEventStateOrder(t, callbackChan, []zk.State{zk.StateDisconnected}, "callback") |
| // verifyEventStateOrder(t, eventChan, []zk.State{zk.StateDisconnected}, "event channel") |
| // |
| //} |
| |
| func Test_newMockZookeeperClient(t *testing.T) { |
| ts, z, event, err := NewMockZookeeperClient("test", 15*time.Second) |
| assert.NoError(t, err) |
| defer ts.Stop() |
| states := []zk.State{zk.StateConnecting, zk.StateConnected, zk.StateHasSession} |
| verifyEventStateOrder(t, event, states, "event channel") |
| |
| z.Close() |
| verifyEventStateOrder(t, event, []zk.State{zk.StateDisconnected}, "event channel") |
| } |
| |
| func TestCreate(t *testing.T) { |
| ts, z, event, err := NewMockZookeeperClient("test", 15*time.Second) |
| assert.NoError(t, err) |
| defer ts.Stop() |
| err = z.Create("test1/test2/test3/test4") |
| assert.NoError(t, err) |
| |
| states := []zk.State{zk.StateConnecting, zk.StateConnected, zk.StateHasSession} |
| verifyEventStateOrder(t, event, states, "event channel") |
| } |
| |
| func TestCreateDelete(t *testing.T) { |
| ts, z, event, err := NewMockZookeeperClient("test", 15*time.Second) |
| assert.NoError(t, err) |
| defer ts.Stop() |
| |
| states := []zk.State{zk.StateConnecting, zk.StateConnected, zk.StateHasSession} |
| verifyEventStateOrder(t, event, states, "event channel") |
| err = z.Create("/test1/test2/test3/test4") |
| assert.NoError(t, err) |
| err = z.Delete("/test1/test2/test3/test4") |
| assert.NoError(t, err) |
| // verifyEventOrder(t, event, []zk.EventType{zk.EventNodeCreated}, "event channel") |
| } |
| |
| func TestRegisterTemp(t *testing.T) { |
| ts, z, event, err := NewMockZookeeperClient("test", 15*time.Second) |
| assert.NoError(t, err) |
| defer ts.Stop() |
| err = z.Create("/test1/test2/test3") |
| assert.NoError(t, err) |
| |
| tmpath, err := z.RegisterTemp("/test1/test2/test3", "test4") |
| assert.NoError(t, err) |
| assert.Equal(t, "/test1/test2/test3/test4", tmpath) |
| states := []zk.State{zk.StateConnecting, zk.StateConnected, zk.StateHasSession} |
| verifyEventStateOrder(t, event, states, "event channel") |
| } |
| |
| func TestRegisterTempSeq(t *testing.T) { |
| ts, z, event, err := NewMockZookeeperClient("test", 15*time.Second) |
| assert.NoError(t, err) |
| defer ts.Stop() |
| err = z.Create("/test1/test2/test3") |
| assert.NoError(t, err) |
| tmpath, err := z.RegisterTempSeq("/test1/test2/test3", []byte("test")) |
| assert.NoError(t, err) |
| assert.Equal(t, "/test1/test2/test3/0000000000", tmpath) |
| states := []zk.State{zk.StateConnecting, zk.StateConnected, zk.StateHasSession} |
| verifyEventStateOrder(t, event, states, "event channel") |
| } |
| |
| func Test_UnregisterEvent(t *testing.T) { |
| client := &ZookeeperClient{} |
| client.eventRegistry = make(map[string][]*chan struct{}) |
| array := []*chan struct{}{} |
| array = append(array, new(chan struct{})) |
| client.eventRegistry["test"] = array |
| client.UnregisterEvent("test", new(chan struct{})) |
| } |