package api import ( "context" "strings" "testing" "time" "github.com/pascaldekloe/goe/verify" ) func TestAPI_SessionCreateDestroy(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() s.WaitForSerfCheck(t) session := c.Session() id, meta, err := session.Create(nil, nil) if err != nil { t.Fatalf("err: %v", err) } if meta.RequestTime == 0 { t.Fatalf("bad: %v", meta) } if id == "" { t.Fatalf("invalid: %v", id) } meta, err = session.Destroy(id, nil) if err != nil { t.Fatalf("err: %v", err) } if meta.RequestTime == 0 { t.Fatalf("bad: %v", meta) } } func TestAPI_SessionCreateRenewDestroy(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() s.WaitForSerfCheck(t) session := c.Session() se := &SessionEntry{ TTL: "10s", } id, meta, err := session.Create(se, nil) if err != nil { t.Fatalf("err: %v", err) } defer session.Destroy(id, nil) if meta.RequestTime == 0 { t.Fatalf("bad: %v", meta) } if id == "" { t.Fatalf("invalid: %v", id) } if meta.RequestTime == 0 { t.Fatalf("bad: %v", meta) } renew, meta, err := session.Renew(id, nil) if err != nil { t.Fatalf("err: %v", err) } if meta.RequestTime == 0 { t.Fatalf("bad: %v", meta) } if renew == nil { t.Fatalf("should get session") } if renew.ID != id { t.Fatalf("should have matching id") } if renew.TTL != "10s" { t.Fatalf("should get session with TTL") } } func TestAPI_SessionCreateRenewDestroyRenew(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() s.WaitForSerfCheck(t) session := c.Session() entry := &SessionEntry{ Behavior: SessionBehaviorDelete, TTL: "500s", // disable ttl } id, meta, err := session.Create(entry, nil) if err != nil { t.Fatalf("err: %v", err) } if meta.RequestTime == 0 { t.Fatalf("bad: %v", meta) } if id == "" { t.Fatalf("invalid: %v", id) } // Extend right after create. Everything should be fine. entry, _, err = session.Renew(id, nil) if err != nil { t.Fatalf("err: %v", err) } if entry == nil { t.Fatal("session unexpectedly vanished") } // Simulate TTL loss by manually destroying the session. meta, err = session.Destroy(id, nil) if err != nil { t.Fatalf("err: %v", err) } if meta.RequestTime == 0 { t.Fatalf("bad: %v", meta) } // Extend right after delete. The 404 should proxy as a nil. entry, _, err = session.Renew(id, nil) if err != nil { t.Fatalf("err: %v", err) } if entry != nil { t.Fatal("session still exists") } } func TestAPI_SessionCreateDestroyRenewPeriodic(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() s.WaitForSerfCheck(t) session := c.Session() entry := &SessionEntry{ Behavior: SessionBehaviorDelete, TTL: "500s", // disable ttl } id, meta, err := session.Create(entry, nil) if err != nil { t.Fatalf("err: %v", err) } if meta.RequestTime == 0 { t.Fatalf("bad: %v", meta) } if id == "" { t.Fatalf("invalid: %v", id) } // This only tests Create/Destroy/RenewPeriodic to avoid the more // difficult case of testing all of the timing code. // Simulate TTL loss by manually destroying the session. meta, err = session.Destroy(id, nil) if err != nil { t.Fatalf("err: %v", err) } if meta.RequestTime == 0 { t.Fatalf("bad: %v", meta) } // Extend right after delete. The 404 should terminate the loop quickly and return ErrSessionExpired. errCh := make(chan error, 1) doneCh := make(chan struct{}) go func() { errCh <- session.RenewPeriodic("1s", id, nil, doneCh) }() defer close(doneCh) select { case <-time.After(1 * time.Second): t.Fatal("timedout: missing session did not terminate renewal loop") case err = <-errCh: if err != ErrSessionExpired { t.Fatalf("err: %v", err) } } } func TestAPI_SessionRenewPeriodic_Cancel(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() s.WaitForSerfCheck(t) session := c.Session() entry := &SessionEntry{ Behavior: SessionBehaviorDelete, TTL: "500s", // disable ttl } t.Run("done channel", func(t *testing.T) { id, _, err := session.Create(entry, nil) if err != nil { t.Fatalf("err: %v", err) } errCh := make(chan error, 1) doneCh := make(chan struct{}) go func() { errCh <- session.RenewPeriodic("1s", id, nil, doneCh) }() close(doneCh) select { case <-time.After(1 * time.Second): t.Fatal("renewal loop didn't terminate") case err = <-errCh: if err != nil { t.Fatalf("err: %v", err) } } sess, _, err := session.Info(id, nil) if err != nil { t.Fatalf("err: %v", err) } if sess != nil { t.Fatalf("session was not expired") } }) t.Run("context", func(t *testing.T) { id, _, err := session.Create(entry, nil) if err != nil { t.Fatalf("err: %v", err) } ctx, cancel := context.WithCancel(context.Background()) wo := new(WriteOptions).WithContext(ctx) errCh := make(chan error, 1) go func() { errCh <- session.RenewPeriodic("1s", id, wo, nil) }() cancel() select { case <-time.After(1 * time.Second): t.Fatal("renewal loop didn't terminate") case err = <-errCh: if err == nil || !strings.Contains(err.Error(), "context canceled") { t.Fatalf("err: %v", err) } } // See comment in session.go for why the session isn't removed // in this case. sess, _, err := session.Info(id, nil) if err != nil { t.Fatalf("err: %v", err) } if sess == nil { t.Fatalf("session should not be expired") } }) } func TestAPI_SessionInfo(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() s.WaitForSerfCheck(t) session := c.Session() id, _, err := session.Create(nil, nil) if err != nil { t.Fatalf("err: %v", err) } defer session.Destroy(id, nil) info, qm, err := session.Info(id, nil) if err != nil { t.Fatalf("err: %v", err) } if qm.LastIndex == 0 { t.Fatalf("bad: %v", qm) } if !qm.KnownLeader { t.Fatalf("bad: %v", qm) } if info.CreateIndex == 0 { t.Fatalf("bad: %v", info) } info.CreateIndex = 0 want := &SessionEntry{ ID: id, Node: s.Config.NodeName, Checks: []string{"serfHealth"}, LockDelay: 15 * time.Second, Behavior: SessionBehaviorRelease, } verify.Values(t, "", info, want) } func TestAPI_SessionInfo_NoChecks(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() session := c.Session() id, _, err := session.CreateNoChecks(nil, nil) if err != nil { t.Fatalf("err: %v", err) } defer session.Destroy(id, nil) info, qm, err := session.Info(id, nil) if err != nil { t.Fatalf("err: %v", err) } if qm.LastIndex == 0 { t.Fatalf("bad: %v", qm) } if !qm.KnownLeader { t.Fatalf("bad: %v", qm) } if info.CreateIndex == 0 { t.Fatalf("bad: %v", info) } info.CreateIndex = 0 want := &SessionEntry{ ID: id, Node: s.Config.NodeName, Checks: []string{}, LockDelay: 15 * time.Second, Behavior: SessionBehaviorRelease, } verify.Values(t, "", info, want) } func TestAPI_SessionNode(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() s.WaitForSerfCheck(t) session := c.Session() id, _, err := session.Create(nil, nil) if err != nil { t.Fatalf("err: %v", err) } defer session.Destroy(id, nil) info, qm, err := session.Info(id, nil) if err != nil { t.Fatalf("err: %v", err) } sessions, qm, err := session.Node(info.Node, nil) if err != nil { t.Fatalf("err: %v", err) } if len(sessions) != 1 { t.Fatalf("bad: %v", sessions) } if qm.LastIndex == 0 { t.Fatalf("bad: %v", qm) } if !qm.KnownLeader { t.Fatalf("bad: %v", qm) } } func TestAPI_SessionList(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() s.WaitForSerfCheck(t) session := c.Session() id, _, err := session.Create(nil, nil) if err != nil { t.Fatalf("err: %v", err) } defer session.Destroy(id, nil) sessions, qm, err := session.List(nil) if err != nil { t.Fatalf("err: %v", err) } if len(sessions) != 1 { t.Fatalf("bad: %v", sessions) } if qm.LastIndex == 0 { t.Fatalf("bad: %v", qm) } if !qm.KnownLeader { t.Fatalf("bad: %v", qm) } }