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|
package serf
import (
"reflect"
"testing"
"github.com/hashicorp/serf/testutil"
)
func TestDelegate_NodeMeta_Old(t *testing.T) {
ip1, returnFn1 := testutil.TakeIP()
defer returnFn1()
c := testConfig(t, ip1)
c.ProtocolVersion = 2
c.Tags["role"] = "test"
d := &delegate{&Serf{config: c}}
meta := d.NodeMeta(32)
if !reflect.DeepEqual(meta, []byte("test")) {
t.Fatalf("bad meta data: %v", meta)
}
out := d.serf.decodeTags(meta)
if out["role"] != "test" {
t.Fatalf("bad meta data: %v", meta)
}
defer func() {
if r := recover(); r == nil {
t.Fatalf("expected panic")
}
}()
d.NodeMeta(1)
}
func TestDelegate_NodeMeta_New(t *testing.T) {
ip1, returnFn1 := testutil.TakeIP()
defer returnFn1()
c := testConfig(t, ip1)
c.ProtocolVersion = 3
c.Tags["role"] = "test"
d := &delegate{&Serf{config: c}}
meta := d.NodeMeta(32)
out := d.serf.decodeTags(meta)
if out["role"] != "test" {
t.Fatalf("bad meta data: %v", meta)
}
defer func() {
if r := recover(); r == nil {
t.Fatalf("expected panic")
}
}()
d.NodeMeta(1)
}
// internals
func TestDelegate_LocalState(t *testing.T) {
ip1, returnFn1 := testutil.TakeIP()
defer returnFn1()
ip2, returnFn2 := testutil.TakeIP()
defer returnFn2()
c1 := testConfig(t, ip1)
s1, err := Create(c1)
if err != nil {
t.Fatalf("err: %v", err)
}
defer s1.Shutdown()
c2 := testConfig(t, ip2)
s2, err := Create(c2)
if err != nil {
t.Fatalf("err: %v", err)
}
defer s2.Shutdown()
waitUntilNumNodes(t, 1, s1, s2)
_, err = s1.Join([]string{c2.NodeName + "/" + c2.MemberlistConfig.BindAddr}, false)
if err != nil {
t.Fatalf("err: %v", err)
}
waitUntilNumNodes(t, 2, s1, s2)
err = s1.UserEvent("test", []byte("test"), false)
if err != nil {
t.Fatalf("err: %v", err)
}
_, err = s1.Query("foo", nil, nil)
if err != nil {
t.Fatalf("err: %v", err)
}
// s2 can leave now
if err = s2.Leave(); err != nil {
t.Fatalf("err: %v", err)
}
// Do a state dump
d := c1.MemberlistConfig.Delegate
buf := d.LocalState(false)
// Verify
if messageType(buf[0]) != messagePushPullType {
t.Fatalf("bad message type")
}
// Attempt a decode
pp := messagePushPull{}
if err := decodeMessage(buf[1:], &pp); err != nil {
t.Fatalf("decode failed %v", err)
}
// Verify lamport
if pp.LTime != s1.clock.Time() {
t.Fatalf("clock mismatch")
}
// Verify the status
// Leave waits until propagation so this should only have one member
if len(pp.StatusLTimes) != 1 {
t.Fatalf("missing ltimes")
}
if len(pp.LeftMembers) != 0 {
t.Fatalf("should have no left members")
}
if pp.EventLTime != s1.eventClock.Time() {
t.Fatalf("clock mismatch")
}
if len(pp.Events) != s1.config.EventBuffer {
t.Fatalf("should send full event buffer")
}
if pp.QueryLTime != s1.queryClock.Time() {
t.Fatalf("clock mismatch")
}
}
// internals
func TestDelegate_MergeRemoteState(t *testing.T) {
ip1, returnFn1 := testutil.TakeIP()
defer returnFn1()
c1 := testConfig(t, ip1)
s1, err := Create(c1)
if err != nil {
t.Fatalf("err: %v", err)
}
defer s1.Shutdown()
// Do a state dump
d := c1.MemberlistConfig.Delegate
// Make a fake push pull
pp := messagePushPull{
LTime: 42,
StatusLTimes: map[string]LamportTime{
"test": 20,
"foo": 15,
},
LeftMembers: []string{"foo"},
EventLTime: 50,
Events: []*userEvents{
&userEvents{
LTime: 45,
Events: []userEvent{
userEvent{
Name: "test",
Payload: nil,
},
},
},
},
QueryLTime: 100,
}
buf, err := encodeMessage(messagePushPullType, &pp)
if err != nil {
t.Fatalf("err: %v", err)
}
// Merge in fake state
d.MergeRemoteState(buf, false)
// Verify lamport
if s1.clock.Time() != 42 {
t.Fatalf("clock mismatch")
}
// Verify pending join for test
if join, ok := recentIntent(s1.recentIntents, "test", messageJoinType); !ok || join != 20 {
t.Fatalf("bad recent join")
}
// Verify pending leave for foo
if leave, ok := recentIntent(s1.recentIntents, "foo", messageLeaveType); !ok || leave != 16 {
t.Fatalf("bad recent leave")
}
// Very event time
if s1.eventClock.Time() != 50 {
t.Fatalf("bad event clock")
}
if s1.eventBuffer[45] == nil {
t.Fatalf("missing event buffer for time")
}
if s1.eventBuffer[45].Events[0].Name != "test" {
t.Fatalf("missing event")
}
if s1.queryClock.Time() != 100 {
t.Fatalf("bad query clock")
}
}
func TestDelegate_BadData(t *testing.T) {
ip1, returnFn1 := testutil.TakeIP()
defer returnFn1()
c := testConfig(t, ip1)
c.ProtocolVersion = 3
c.Tags["role"] = "test"
d := &delegate{&Serf{config: c}}
meta := d.NodeMeta(32)
out := d.serf.decodeTags(meta)
if out["role"] != "test" {
t.Fatalf("bad meta data: %v", meta)
}
defer func() {
if r := recover(); r == nil {
t.Fatalf("expected panic")
}
}()
d.NodeMeta(1)
}
|
