tile38/vendor/github.com/nats-io/gnatsd/test/proto_test.go

318 lines
6.7 KiB
Go

// Copyright 2012-2018 The NATS Authors
// Licensed 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 test
import (
"encoding/json"
"testing"
"time"
"github.com/nats-io/gnatsd/server"
)
const PROTO_TEST_PORT = 9922
func runProtoServer() *server.Server {
opts := DefaultTestOptions
opts.Port = PROTO_TEST_PORT
return RunServer(&opts)
}
func TestProtoBasics(t *testing.T) {
s := runProtoServer()
defer s.Shutdown()
c := createClientConn(t, "127.0.0.1", PROTO_TEST_PORT)
defer c.Close()
send, expect := setupConn(t, c)
expectMsgs := expectMsgsCommand(t, expect)
// Ping
send("PING\r\n")
expect(pongRe)
// Single Msg
send("SUB foo 1\r\nPUB foo 5\r\nhello\r\n")
matches := expectMsgs(1)
checkMsg(t, matches[0], "foo", "1", "", "5", "hello")
// 2 Messages
send("SUB * 2\r\nPUB foo 2\r\nok\r\n")
matches = expectMsgs(2)
// Could arrive in any order
checkMsg(t, matches[0], "foo", "", "", "2", "ok")
checkMsg(t, matches[1], "foo", "", "", "2", "ok")
}
func TestProtoErr(t *testing.T) {
s := runProtoServer()
defer s.Shutdown()
c := createClientConn(t, "127.0.0.1", PROTO_TEST_PORT)
defer c.Close()
send, expect := setupConn(t, c)
// Make sure we get an error on bad proto
send("ZZZ")
expect(errRe)
}
func TestUnsubMax(t *testing.T) {
s := runProtoServer()
defer s.Shutdown()
c := createClientConn(t, "127.0.0.1", PROTO_TEST_PORT)
defer c.Close()
send, expect := setupConn(t, c)
expectMsgs := expectMsgsCommand(t, expect)
send("SUB foo 22\r\n")
send("UNSUB 22 2\r\n")
for i := 0; i < 100; i++ {
send("PUB foo 2\r\nok\r\n")
}
time.Sleep(50 * time.Millisecond)
matches := expectMsgs(2)
checkMsg(t, matches[0], "foo", "22", "", "2", "ok")
checkMsg(t, matches[1], "foo", "22", "", "2", "ok")
}
func TestQueueSub(t *testing.T) {
s := runProtoServer()
defer s.Shutdown()
c := createClientConn(t, "127.0.0.1", PROTO_TEST_PORT)
defer c.Close()
send, expect := setupConn(t, c)
expectMsgs := expectMsgsCommand(t, expect)
sent := 100
send("SUB foo qgroup1 22\r\n")
send("SUB foo qgroup1 32\r\n")
for i := 0; i < sent; i++ {
send("PUB foo 2\r\nok\r\n")
}
// Wait for responses
time.Sleep(250 * time.Millisecond)
matches := expectMsgs(sent)
sids := make(map[string]int)
for _, m := range matches {
sids[string(m[sidIndex])]++
}
if len(sids) != 2 {
t.Fatalf("Expected only 2 sids, got %d\n", len(sids))
}
for k, c := range sids {
if c < 35 {
t.Fatalf("Expected ~50 (+-15) msgs for sid:'%s', got %d\n", k, c)
}
}
}
func TestMultipleQueueSub(t *testing.T) {
s := runProtoServer()
defer s.Shutdown()
c := createClientConn(t, "127.0.0.1", PROTO_TEST_PORT)
defer c.Close()
send, expect := setupConn(t, c)
expectMsgs := expectMsgsCommand(t, expect)
sent := 100
send("SUB foo g1 1\r\n")
send("SUB foo g1 2\r\n")
send("SUB foo g2 3\r\n")
send("SUB foo g2 4\r\n")
for i := 0; i < sent; i++ {
send("PUB foo 2\r\nok\r\n")
}
// Wait for responses
time.Sleep(250 * time.Millisecond)
matches := expectMsgs(sent * 2)
sids := make(map[string]int)
for _, m := range matches {
sids[string(m[sidIndex])]++
}
if len(sids) != 4 {
t.Fatalf("Expected 4 sids, got %d\n", len(sids))
}
for k, c := range sids {
if c < 35 {
t.Fatalf("Expected ~50 (+-15) msgs for '%s', got %d\n", k, c)
}
}
}
func TestPubToArgState(t *testing.T) {
s := runProtoServer()
defer s.Shutdown()
c := createClientConn(t, "127.0.0.1", PROTO_TEST_PORT)
defer c.Close()
send, expect := setupConn(t, c)
send("PUBS foo 2\r\nok\r\n")
expect(errRe)
}
func TestSubToArgState(t *testing.T) {
s := runProtoServer()
defer s.Shutdown()
c := createClientConn(t, "127.0.0.1", PROTO_TEST_PORT)
defer c.Close()
send, expect := setupConn(t, c)
send("SUBZZZ foo 1\r\n")
expect(errRe)
}
// Issue #63
func TestProtoCrash(t *testing.T) {
s := runProtoServer()
defer s.Shutdown()
c := createClientConn(t, "127.0.0.1", PROTO_TEST_PORT)
defer c.Close()
send, expect := sendCommand(t, c), expectCommand(t, c)
checkInfoMsg(t, c)
send("CONNECT {\"verbose\":true,\"tls_required\":false,\"user\":\"test\",\"pedantic\":true,\"pass\":\"password\"}")
time.Sleep(100 * time.Millisecond)
send("\r\n")
expect(okRe)
}
// Issue #136
func TestDuplicateProtoSub(t *testing.T) {
s := runProtoServer()
defer s.Shutdown()
c := createClientConn(t, "127.0.0.1", PROTO_TEST_PORT)
defer c.Close()
send, expect := setupConn(t, c)
send("PING\r\n")
expect(pongRe)
send("SUB foo 1\r\n")
send("SUB foo 1\r\n")
ns := 0
for i := 0; i < 5; i++ {
ns = int(s.NumSubscriptions())
if ns == 0 {
time.Sleep(50 * time.Millisecond)
} else {
break
}
}
if ns != 1 {
t.Fatalf("Expected 1 subscription, got %d\n", ns)
}
}
func TestIncompletePubArg(t *testing.T) {
s := runProtoServer()
defer s.Shutdown()
c := createClientConn(t, "127.0.0.1", PROTO_TEST_PORT)
defer c.Close()
send, expect := setupConn(t, c)
size := 10000
goodBuf := ""
for i := 0; i < size; i++ {
goodBuf += "A"
}
goodBuf += "\r\n"
badSize := 3371
badBuf := ""
for i := 0; i < badSize; i++ {
badBuf += "B"
}
// Message is corrupted and since we are still reading from client,
// next PUB accidentally becomes part of the payload of the
// incomplete message thus breaking the protocol.
badBuf2 := ""
for i := 0; i < size; i++ {
badBuf2 += "C"
}
badBuf2 += "\r\n"
pub := "PUB example 10000\r\n"
send(pub + goodBuf + pub + goodBuf + pub + badBuf + pub + badBuf2)
expect(errRe)
}
func TestControlLineMaximums(t *testing.T) {
s := runProtoServer()
defer s.Shutdown()
c := createClientConn(t, "127.0.0.1", PROTO_TEST_PORT)
defer c.Close()
send, expect := setupConn(t, c)
pubTooLong := "PUB foo "
for i := 0; i < 32; i++ {
pubTooLong += "2222222222"
}
send(pubTooLong)
expect(errRe)
}
func TestServerInfoWithClientAdvertise(t *testing.T) {
opts := DefaultTestOptions
opts.Port = PROTO_TEST_PORT
opts.ClientAdvertise = "me:1"
s := RunServer(&opts)
defer s.Shutdown()
c := createClientConn(t, opts.Host, PROTO_TEST_PORT)
defer c.Close()
buf := expectResult(t, c, infoRe)
js := infoRe.FindAllSubmatch(buf, 1)[0][1]
var sinfo server.Info
err := json.Unmarshal(js, &sinfo)
if err != nil {
t.Fatalf("Could not unmarshal INFO json: %v\n", err)
}
if sinfo.Host != "me" || sinfo.Port != 1 {
t.Fatalf("Expected INFO Host:Port to be me:1, got %s:%d", sinfo.Host, sinfo.Port)
}
}