Golang T.AddPlugin方法代码示例

func TestTribeFullStateSync(t *testing.T) {
	log.SetLevel(log.WarnLevel)
	tribes := []*tribe{}
	numOfTribes := 5
	agreement1 := "agreement1"
	plugin1 := agreement.Plugin{Name_: "plugin1", Version_: 1, Type_: core.ProcessorPluginType}
	task1 := agreement.Task{ID: uuid.New()}
	Convey("Tribe members are started", t, func() {
		conf := getTestConfig()
		conf.Name = "seed"
		seed, err := New(conf)
		So(seed, ShouldNotBeNil)
		So(err, ShouldBeNil)
		taskManager := &mockTaskManager{}
		seed.SetTaskManager(taskManager)
		tribes = append(tribes, seed)
		for i := 1; i < numOfTribes; i++ {
			conf := getTestConfig()
			conf.Name = fmt.Sprintf("member-%v", i)
			conf.Seed = fmt.Sprintf("%v:%v", "127.0.0.1", seed.memberlist.LocalNode().Port)
			tr, err := New(conf)
			taskManager := &mockTaskManager{}
			tr.SetTaskManager(taskManager)
			So(err, ShouldBeNil)
			So(tr, ShouldNotBeNil)
			tribes = append(tribes, tr)
		}
		var wg sync.WaitGroup
		for _, tr := range tribes {
			timer := time.After(4 * time.Second)
			wg.Add(1)
			go func(tr *tribe) {
				defer wg.Done()
				for {
					select {
					case <-timer:
						panic("timed out establishing membership")
					default:
						if len(tr.members) == len(tribes) {
							return
						}
						logger.Debugf("%v has %v members", tr.memberlist.LocalNode().Name, len(tr.memberlist.Members()))
						time.Sleep(50 * time.Millisecond)
					}
				}
			}(tr)
		}
		wg.Wait()
		Convey("agreements are added", func() {
			t := tribes[rand.Intn(len(tribes))]
			serr := t.AddAgreement(agreement1)
			So(serr, ShouldBeNil)
			err := t.AddPlugin(agreement1, plugin1)
			So(err, ShouldBeNil)
			serr = t.AddTask(agreement1, task1)
			So(serr, ShouldBeNil)
			So(len(t.agreements), ShouldEqual, 1)
			Convey("the state is consistent across the tribe", func() {
				wg = sync.WaitGroup{}
				timedOut := false
				for _, tr := range tribes {
					timer := time.After(10 * time.Second)
					wg.Add(1)
					go func(tr *tribe) {
						defer wg.Done()
						for {
							select {
							case <-timer:
								timedOut = true
								return
							default:
								if a, ok := tr.agreements[agreement1]; ok {
									if a.PluginAgreement != nil {
										if ok, _ := a.PluginAgreement.Plugins.Contains(plugin1); ok {
											return
										}
									}
								}
								logger.Debugf("%v has %v agreements", tr.memberlist.LocalNode().Name, len(tr.agreements))
								time.Sleep(200 * time.Millisecond)
							}
						}
					}(tr)
				}
				wg.Wait()
				So(timedOut, ShouldBeFalse)

				Convey("all members are added to the agreements", func() {
					for _, tr := range tribes {
						logger.Debugf("joining %v %v", agreement1, tr.memberlist.LocalNode().Name)
						err := t.JoinAgreement(agreement1, tr.memberlist.LocalNode().Name)
						So(err, ShouldBeNil)
					}
				})
			})
		})
	})
}

func TestTribeMembership(t *testing.T) {
	numOfTribes := 5
	tribes := getTribes(numOfTribes, nil)
	Convey(fmt.Sprintf("%d tribes are started", numOfTribes), t, func() {
		for i := 0; i < numOfTribes; i++ {
			log.Debugf("%v is reporting %v members", i, len(tribes[i].memberlist.Members()))
			So(len(tribes[0].memberlist.Members()), ShouldEqual, len(tribes[i].memberlist.Members()))
		}
		Convey("The cluster agrees on membership", func() {
			for i := 0; i < numOfTribes; i++ {

				So(
					len(tribes[0].memberlist.Members()),
					ShouldEqual,
					len(tribes[i].memberlist.Members()),
				)
				So(len(tribes[0].members), ShouldEqual, len(tribes[i].members))
			}
			Convey("Adds an agreement", func(c C) {
				a := "agreement1"
				t := tribes[numOfTribes-1]
				t.AddAgreement("agreement1")
				var wg sync.WaitGroup
				for _, t := range tribes {
					wg.Add(1)
					go func(t *tribe) {
						defer wg.Done()
						for {
							if t.agreements != nil {
								if _, ok := t.agreements[a]; ok {
									c.So(ok, ShouldEqual, true)
									return
								}
								logger.Debugf(
									"%v has %d agreements",
									t.memberlist.LocalNode().Name,
									len(t.agreements),
								)
							}
							time.Sleep(50 * time.Millisecond)
						}
					}(t)
				}
				wg.Wait()
				for _, t := range tribes {
					So(len(t.agreements), ShouldEqual, 1)
					So(t.agreements[a], ShouldNotBeNil)
				}
				Convey("A member", func() {
					Convey("joins an agreement", func() {
						err := t.JoinAgreement(a, t.memberlist.LocalNode().Name)
						So(err, ShouldBeNil)
					})
					Convey("is added to an agreement it already belongs to", func() {
						Convey("adds a plugin to agreement", func() {
							err := t.AddPlugin(a, agreement.Plugin{Name_: "plugin1", Version_: 1})
							So(err, ShouldBeNil)
						})

						err := t.JoinAgreement(a, t.memberlist.LocalNode().Name)
						So(err.Error(), ShouldResemble, errAlreadyMemberOfPluginAgreement.Error())
					})
					Convey("leaves an agreement that doesn't exist", func() {
						err := t.LeaveAgreement("whatever", t.memberlist.LocalNode().Name)
						So(err.Error(), ShouldResemble, errAgreementDoesNotExist.Error())
					})
					Convey("handles an unknown member trying to leave an agreement", func() {
						err := t.LeaveAgreement(a, "whatever")
						So(err.Error(), ShouldResemble, errUnknownMember.Error())
					})
					Convey("handles a member leaving an agreement it isn't part of", func() {
						err := t.LeaveAgreement(a, tribes[0].memberlist.LocalNode().Name)
						So(err.Error(), ShouldResemble, errNotAMember.Error())
					})
					Convey("handles an unknown member trying to join an agreement", func() {
						msg := &agreementMsg{
							LTime:         t.clock.Time(),
							UUID:          uuid.New(),
							AgreementName: a,
							MemberName:    "whatever",
							Type:          joinAgreementMsgType,
						}
						err := t.joinAgreement(msg)
						So(err, ShouldNotBeNil)
						So(err.Error(), ShouldResemble, errUnknownMember.Error())
					})
				})
			})
		})

	})
}