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mqtt_test.go
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mqtt_test.go
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/*
* Copyright (c) 2017, MegaEase
* All rights reserved.
*
* 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:https://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 mqttproxy
import (
"bytes"
"context"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"io"
"net"
"net/http"
"reflect"
"strconv"
"sync"
"testing"
"time"
paho "github.com/eclipse/paho.mqtt.golang"
"github.com/eclipse/paho.mqtt.golang/packets"
"github.com/megaease/easegress/pkg/logger"
"github.com/megaease/easegress/pkg/object/pipeline"
"github.com/megaease/easegress/pkg/supervisor"
"github.com/openzipkin/zipkin-go/propagation/b3"
"github.com/stretchr/testify/assert"
"gopkg.in/yaml.v2"
)
func (t *testMQ) get() *packets.PublishPacket {
p := <-t.ch
return p
}
func init() {
logger.InitMock()
pipeline.Register(&pipeline.MockMQTTFilter{})
}
func getMQTTClient(t *testing.T, clientID, userName, password string, cleanSession bool) paho.Client {
opts := paho.NewClientOptions().AddBroker("tcp:https://0.0.0.0:1883").SetClientID(clientID).SetUsername(userName).SetPassword(password).SetCleanSession(cleanSession)
c := paho.NewClient(opts)
if token := c.Connect(); token.Wait() && token.Error() != nil {
t.Errorf("basic connect error for client <%s> with <%s>", clientID, token.Error())
}
return c
}
func getUnConnectClient(clientID, userName, password string, cleanSession bool) paho.Client {
opts := paho.NewClientOptions().AddBroker("tcp:https://0.0.0.0:1883").SetClientID(clientID).SetUsername(userName).SetPassword(password).SetCleanSession(cleanSession)
c := paho.NewClient(opts)
return c
}
func getMQTTSubscribeHandler(ch chan CheckMsg) paho.MessageHandler {
handler := func(client paho.Client, message paho.Message) {
msg := CheckMsg{
topic: message.Topic(),
payload: string(message.Payload()),
qos: int(message.Qos()),
}
ch <- msg
}
return handler
}
func getBroker(name, userName, passBase64 string, port uint16) *Broker {
spec := &Spec{
Name: name,
EGName: name,
Port: port,
BackendType: testMQType,
Auth: []Auth{
{UserName: userName, PassBase64: passBase64},
},
}
store := newStorage(nil)
broker := newBroker(spec, store, func(s, ss string) ([]string, error) {
m := map[string]string{
"test": "http:https://localhost:8888/mqtt",
"test1": "http:https://localhost:8889/mqtt",
}
urls := []string{}
for k, v := range m {
if k != s {
urls = append(urls, v)
}
}
return urls, nil
})
return broker
}
func TestConnection(t *testing.T) {
b64passwd := base64.StdEncoding.EncodeToString([]byte("test"))
broker := getBroker("test", "test", b64passwd, 1883)
c1 := getMQTTClient(t, "test", "test", "test", true)
c1.Disconnect(200)
o2 := paho.NewClientOptions().AddBroker("tcp:https://0.0.0.0:1883").SetClientID("test").SetUsername("fakeuser").SetPassword("fakepasswd")
c2 := paho.NewClient(o2)
if token := c2.Connect(); token.Wait() && token.Error() == nil {
t.Errorf("non auth user should fail%s", token.Error())
}
c2.Disconnect(200)
broker.close()
}
func TestPublish(t *testing.T) {
b64passwd := base64.StdEncoding.EncodeToString([]byte("test"))
broker := getBroker("test", "test", b64passwd, 1883)
client := getMQTTClient(t, "test", "test", "test", true)
for i := 0; i < 5; i++ {
topic := "go-mqtt/sample"
text := fmt.Sprintf("qos0 msg #%d!", i)
token := client.Publish(topic, 0, false, text)
token.Wait()
p := broker.backend.(*testMQ).get()
if p.TopicName != topic || string(p.Payload) != text {
t.Errorf("get wrong publish")
}
}
for i := 0; i < 5; i++ {
topic := "go-mqtt/sample"
text := fmt.Sprintf("qos1 msg #%d!", i)
token := client.Publish(topic, 1, false, text)
token.Wait()
if token.Error() != nil {
t.Errorf("should support qos1")
}
p := broker.backend.(*testMQ).get()
if p.TopicName != topic || string(p.Payload) != text {
t.Errorf("get wrong publish")
}
}
client.Disconnect(200)
broker.close()
}
func TestSubUnsub(t *testing.T) {
b64passwd := base64.StdEncoding.EncodeToString([]byte("test"))
broker := getBroker("test", "test", b64passwd, 1883)
client := getMQTTClient(t, "test", "test", "test", true)
if token := client.Subscribe("go-mqtt/qos0", 0, nil); token.Wait() && token.Error() != nil {
t.Errorf("subscribe qos0 error %s", token.Error())
}
if token := client.Subscribe("go-mqtt/qos1", 1, nil); token.Wait() && token.Error() != nil {
t.Errorf("subscribe qos1 error %s", token.Error())
}
if token := client.Unsubscribe("go-mqtt/sample"); token.Wait() && token.Error() != nil {
t.Errorf("subscribe qos1 error %s", token.Error())
}
client.Disconnect(200)
broker.close()
}
func TestCleanSession(t *testing.T) {
b64passwd := base64.StdEncoding.EncodeToString([]byte("test"))
broker := getBroker("test", "test", b64passwd, 1883)
// client that set cleanSession
cid := "cleanSessionClient"
client := getMQTTClient(t, cid, "test", "test", true)
if token := client.Subscribe("test/cleanSession/0", 0, nil); token.Wait() && token.Error() != nil {
t.Errorf("subscribe qos0 error %s", token.Error())
}
client.Disconnect(200)
c := broker.getClient(cid)
if c != nil {
c.closeAndDelSession()
}
subscribers, err := broker.topicMgr.findSubscribers("test/cleanSession/0")
if err != nil {
t.Errorf("findSubscribers for topic test/cleanSession/0 failed, %v", err)
}
if _, ok := subscribers[cid]; ok {
t.Errorf("topicMgr is not cleaned when client %v close connection", subscribers)
}
_, err = broker.sessMgr.store.get(sessionStoreKey(cid))
if err == nil {
t.Errorf("not clean DB when cleanSession is set, potential resource wasted")
}
// client that not set cleanSession, getMQTTClient last parameter set to false
cid = "notCleanSessionClient"
client = getMQTTClient(t, cid, "test", "test", false)
if token := client.Subscribe("test/cleanSession/0", 0, nil); token.Wait() && token.Error() != nil {
t.Errorf("subscribe qos0 error %s", token.Error())
}
// make sure before disconnect, session and subscribe topic has been stored in storage
for i := 0; i < 10; i++ {
time.Sleep(30 * time.Millisecond)
yamlStr, err := broker.sessMgr.store.get(sessionStoreKey(cid))
if err != nil {
continue
}
session := &Session{
info: &SessionInfo{},
}
session.decode(*yamlStr)
if len(session.info.Topics) == 1 {
break
}
}
client.Disconnect(200)
c = broker.getClient(cid)
if c != nil {
c.closeAndDelSession()
}
subscribers, err = broker.topicMgr.findSubscribers("test/cleanSession/0")
if err != nil {
t.Errorf("findSubscribers for topic test/cleanSession/0 failed, %v", err)
}
if _, ok := subscribers[cid]; ok {
t.Errorf("topicMgr is not cleaned when client %v close connection", subscribers)
}
_, err = broker.sessMgr.store.get(sessionStoreKey(cid))
if err != nil {
t.Errorf("clean DB when cleanSession is not set")
}
// check not clean session work when client come.
client = getMQTTClient(t, cid, "test", "test", false)
// publish topic to make sure client read loop start
token := client.Publish("topic", 1, false, "text")
token.Wait()
if token.Error() != nil {
t.Errorf("client publish message failed %v", token.Error())
}
subscribers, err = broker.topicMgr.findSubscribers("test/cleanSession/0")
if err != nil {
t.Errorf("findSubscribers for topic test/cleanSession/0 failed, %v", err)
}
if _, ok := subscribers[cid]; !ok {
t.Errorf("topicMgr should contain topic test/cleanSession/0 when client reconnect, but got %v", subscribers)
}
_, err = broker.sessMgr.store.get(sessionStoreKey(cid))
if err != nil {
t.Errorf("clean DB when cleanSession is not set")
}
client.Disconnect(200)
broker.close()
}
func TestMultiClientPublish(t *testing.T) {
b64passwd := base64.StdEncoding.EncodeToString([]byte("test"))
broker := getBroker("test", "test", b64passwd, 1883)
var wg sync.WaitGroup
clientNum := 30
msgNum := 50
for i := 0; i < clientNum; i++ {
wg.Add(1)
go func(i int) {
defer wg.Done()
cid := fmt.Sprintf("test_%d", i)
client := getMQTTClient(t, cid, "test", "test", true)
for j := 0; j < msgNum; j++ {
topic := cid
text := fmt.Sprintf("%d", j)
token := client.Publish(topic, 1, false, text)
token.Wait()
if token.Error() != nil {
t.Errorf("client <%d> publish failed, <%s>", i, token.Error())
}
}
client.Disconnect(200)
}(i)
}
wg.Add(1)
go func() {
defer wg.Done()
producer := broker.backend.(*testMQ)
ans := make(map[string]int)
for i := 0; i < clientNum*msgNum; i++ {
p := producer.get()
num, _ := strconv.Atoi(string(p.Payload))
if val, ok := ans[p.TopicName]; ok {
if num != val+1 {
t.Errorf("received publish not in order")
}
ans[p.TopicName] = num
} else {
if num != 0 {
t.Errorf("received publish not in order")
}
ans[p.TopicName] = num
}
}
}()
wg.Wait()
broker.close()
}
func TestSession(t *testing.T) {
name := "admin"
passwd := "passwd"
b64passwd := base64.StdEncoding.EncodeToString([]byte(passwd))
broker := getBroker("test", name, b64passwd, 1883)
client := getMQTTClient(t, "test", name, passwd, true)
// sub go-mqtt/qos0 and check
if token := client.Subscribe("go-mqtt/qos0", 0, nil); token.Wait() && token.Error() != nil {
t.Errorf("subscribe qos0 error %s", token.Error())
}
subs, qoss, _ := broker.sessMgr.get("test").allSubscribes()
if subs[0] != "go-mqtt/qos0" || qoss[0] != 0 {
t.Errorf("session error")
}
// sub go-mqtt/qos1 and check
if token := client.Subscribe("go-mqtt/qos1", 1, nil); token.Wait() && token.Error() != nil {
t.Errorf("subscribe qos1 error %s", token.Error())
}
subs, qoss, _ = broker.sessMgr.get("test").allSubscribes()
if len(subs) != 2 || len(qoss) != 2 {
t.Errorf("session error")
}
// unsub go-mqtt/qos0 and check
if token := client.Unsubscribe("go-mqtt/qos0"); token.Wait() && token.Error() != nil {
t.Errorf("subscribe qos1 error %s", token.Error())
}
subs, qoss, _ = broker.sessMgr.get("test").allSubscribes()
if subs[0] != "go-mqtt/qos1" || qoss[0] != 1 {
t.Errorf("session error")
}
sessMgr := broker.sessMgr
sess := Session{
info: &SessionInfo{
EGName: "eg",
Name: "mqtt",
ClientID: "checkStoreGet",
Topics: map[string]int{"a": 1},
CleanFlag: false,
},
}
str, _ := sess.encode()
sessMgr.store.put(sessionStoreKey("checkStoreGet"), str)
newSess := sessMgr.get("checkStoreGet")
if !reflect.DeepEqual(newSess.info, sess.info) {
t.Errorf("sessMgr get wrong sess %v, %v", sess.info, newSess.info)
}
client.Disconnect(200)
broker.close()
}
func TestSpec(t *testing.T) {
yamlStr := `
port: 1883
backendType: Kafka
auth:
- userName: test
passBase64: dGVzdA==
- userName: admin
passBase64: YWRtaW4=
topicMapper:
matchIndex: 0
route:
- name: g2s
matchExpr: g2s
- name: d2s
matchExpr: d2s
policies:
- name: d2s
topicIndex: 1
route:
- topic: to_cloud
exprs: ["bar", "foo"]
- topic: to_raw
exprs: [".*"]
headers:
0: d2s
1: type
2: device
- name: g2s
topicIndex: 4
route:
- topic: to_cloud
exprs: ["bar", "foo"]
- topic: to_raw
exprs: [".*"]
headers:
0: g2s
1: gateway
2: info
3: device
4: type
kafkaBroker:
backend: ["123.123.123.123:9092", "234.234.234.234:9092"]
useTLS: true
certificate:
- name: cert1
cert: balabala
key: keyForbalabala
- name: cert2
cert: foo
key: bar
`
got := Spec{}
err := yaml.Unmarshal([]byte(yamlStr), &got)
if err != nil {
t.Errorf("yaml unmarshal failed, err:%v", err)
}
want := Spec{
Port: 1883,
BackendType: "Kafka",
Auth: []Auth{
{"test", "dGVzdA=="},
{"admin", "YWRtaW4="},
},
TopicMapper: &TopicMapper{
MatchIndex: 0,
Route: []*PolicyRe{
{"g2s", "g2s"},
{"d2s", "d2s"},
},
Policies: []*Policy{
{
Name: "d2s",
TopicIndex: 1,
Route: []TopicRe{
{"to_cloud", []string{"bar", "foo"}},
{"to_raw", []string{".*"}},
},
Headers: map[int]string{0: "d2s", 1: "type", 2: "device"},
},
{
Name: "g2s",
TopicIndex: 4,
Route: []TopicRe{
{"to_cloud", []string{"bar", "foo"}},
{"to_raw", []string{".*"}},
},
Headers: map[int]string{0: "g2s", 1: "gateway", 2: "info", 3: "device", 4: "type"},
},
},
},
Kafka: &KafkaSpec{
Backend: []string{"123.123.123.123:9092", "234.234.234.234:9092"},
},
UseTLS: true,
Certificate: []Certificate{
{"cert1", "balabala", "keyForbalabala"},
{"cert2", "foo", "bar"},
},
}
if !reflect.DeepEqual(want, got) {
t.Errorf("got:<%#v>\n want:<%#v>\n", got, want)
}
}
func TestTopicMapper(t *testing.T) {
// /d2s/{tenant}/{device_type}/{things_id}/log/eventName
// /d2s/{tenant}/{device_type}/{things_id}/status
// /d2s/{tenant}/{device_type}/{things_id}/event
// /d2s/{tenant}/{device_type}/{things_id}/raw
// /g2s/{gwTenantId}/{gwInfoModelId}/{gwThingsId}/d2s/{tenantId}/{infoModelId}/{thingsId}/data
topicMapper := TopicMapper{
MatchIndex: 0,
Route: []*PolicyRe{
{"g2s", "g2s"},
{"d2s", "d2s"},
},
Policies: []*Policy{
{
Name: "d2s",
TopicIndex: 4,
Route: []TopicRe{
{"to_cloud", []string{"log", "status", "event"}},
{"to_raw", []string{"raw"}},
},
Headers: map[int]string{
0: "d2s",
1: "tenant",
2: "device_type",
3: "things_id",
4: "event",
5: "eventName",
},
},
{
Name: "g2s",
TopicIndex: 8,
Route: []TopicRe{
{"to_cloud", []string{"log", "status", "event", "data"}},
{"to_raw", []string{"raw"}},
},
Headers: map[int]string{
0: "g2s",
1: "gwTenantId",
2: "gwInfoModelId",
3: "gwThingsId",
4: "d2s",
5: "tenantId",
6: "infoModelId",
7: "thingsId",
8: "event",
9: "eventName",
},
},
},
}
mapFunc := getTopicMapFunc(&topicMapper)
tests := []struct {
mqttTopic string
topic string
headers map[string]string
}{
{
mqttTopic: "/d2s/abc/phone/123/log/error",
topic: "to_cloud",
headers: map[string]string{"d2s": "d2s", "tenant": "abc", "device_type": "phone", "things_id": "123", "event": "log", "eventName": "error"}},
{
mqttTopic: "/d2s/xyz/tv/234/status/shutdown",
topic: "to_cloud",
headers: map[string]string{"d2s": "d2s", "tenant": "xyz", "device_type": "tv", "things_id": "234", "event": "status", "eventName": "shutdown"}},
{
mqttTopic: "/d2s/opq/car/345/raw",
topic: "to_raw",
headers: map[string]string{"d2s": "d2s", "tenant": "opq", "device_type": "car", "things_id": "345", "event": "raw"}},
{
mqttTopic: "/g2s/gwTenantId/gwInfoModelId/gwThingsId/d2s/tenantId/infoModelId/thingsId/data",
topic: "to_cloud",
headers: map[string]string{"g2s": "g2s", "gwTenantId": "gwTenantId", "gwInfoModelId": "gwInfoModelId", "gwThingsId": "gwThingsId",
"d2s": "d2s", "tenantId": "tenantId", "infoModelId": "infoModelId", "thingsId": "thingsId", "event": "data"}},
{
mqttTopic: "/g2s/gw123/gwInfo234/gwID345/d2s/456/654/123/raw",
topic: "to_raw",
headers: map[string]string{"g2s": "g2s", "gwTenantId": "gw123", "gwInfoModelId": "gwInfo234", "gwThingsId": "gwID345",
"d2s": "d2s", "tenantId": "456", "infoModelId": "654", "thingsId": "123", "event": "raw"}},
}
for _, tt := range tests {
topic, headers, err := mapFunc(tt.mqttTopic)
if err != nil || topic != tt.topic || !reflect.DeepEqual(tt.headers, headers) {
if !reflect.DeepEqual(tt.headers, headers) {
fmt.Printf("headers not equal, <%v>, <%v>\n", tt.headers, headers)
}
t.Errorf("unexpected result from topic map function <%+v>, <%+v>, want:<%+v>, got:<%+v>\n\n\n\n", tt.mqttTopic, topic, tt.headers, headers)
}
}
_, _, err := mapFunc("/not-work")
if err == nil {
t.Errorf("map func should return err for not match topic")
}
mapFunc = getTopicMapFunc(nil)
if mapFunc != nil {
t.Errorf("nil mapFunc if TopicMapper is nil")
}
fakeMapper := TopicMapper{
MatchIndex: 0,
Route: []*PolicyRe{
{"fake", "]["},
},
}
getTopicMapFunc(&fakeMapper)
fakeMapper = TopicMapper{
MatchIndex: 0,
Route: []*PolicyRe{
{"demo", "demo"},
},
Policies: []*Policy{
{
Name: "demo",
TopicIndex: 1,
Route: []TopicRe{
{"topic", []string{"]["}},
},
Headers: map[int]string{1: "topic"},
},
},
}
getTopicMapFunc(&fakeMapper)
}
func TestTopicMapper2(t *testing.T) {
// nothing/d2s/{tenant}/{device_type}/{things_id}/log/eventName
// nothing/d2s/{tenant}/{device_type}/{things_id}/status
// nothing/d2s/{tenant}/{device_type}/{things_id}/event
// nothing/d2s/{tenant}/{device_type}/{things_id}/raw
// nothing/g2s/{gwTenantId}/{gwInfoModelId}/{gwThingsId}/d2s/{tenantId}/{infoModelId}/{thingsId}/data
topicMapper := TopicMapper{
MatchIndex: 1,
Route: []*PolicyRe{
{"g2s", "g2s"},
{"d2s", "d2s"},
},
Policies: []*Policy{
{
Name: "d2s",
TopicIndex: 5,
Route: []TopicRe{
{"to_cloud", []string{"log", "status", "event"}},
{"to_raw", []string{"raw"}},
},
Headers: map[int]string{
1: "d2s",
2: "tenant",
3: "device_type",
4: "things_id",
5: "event",
},
},
{
Name: "g2s",
TopicIndex: 9,
Route: []TopicRe{
{"to_cloud", []string{"log", "status", "event", "data"}},
{"to_raw", []string{"raw"}},
},
Headers: map[int]string{
1: "g2s",
2: "gwTenantId",
3: "gwInfoModelId",
4: "gwThingsId",
5: "d2s",
6: "tenantId",
7: "infoModelId",
8: "thingsId",
9: "event",
},
},
},
}
mapFunc := getTopicMapFunc(&topicMapper)
_, _, err := mapFunc("/level0")
if err == nil {
t.Errorf("map func should return err for not match topic")
}
_, _, err = mapFunc("nothing/g2s")
if err == nil {
t.Errorf("map func should return err for not match topic")
}
_, _, err = mapFunc("nothing/d2s/tenant/device_type/things_id/notexist")
if err == nil {
t.Errorf("map func should return err for not match topic")
}
}
type CheckMsg struct {
topic string
payload string
qos int
}
func TestSendMsgBack(t *testing.T) {
clientNum := 10
msgNum := 100
subscribeCh := make(chan CheckMsg, 100)
var wg sync.WaitGroup
// make broker
b64passwd := base64.StdEncoding.EncodeToString([]byte("test"))
broker := getBroker("test", "test", b64passwd, 1883)
// subscribe handler
handler := getMQTTSubscribeHandler(subscribeCh)
// make client and subscribe different topic
clients := []paho.Client{}
for i := 0; i < clientNum; i++ {
cid := fmt.Sprintf("test_%d", i)
c := getMQTTClient(t, cid, "test", "test", true)
if token := c.Subscribe(cid, 1, handler); token.Wait() && token.Error() != nil {
t.Errorf("subscribe qos1 error %s", token.Error())
}
clients = append(clients, c)
}
fmt.Printf("TestSendMsgBack: finished get clients\n")
// publish msg and send msg back
for i := 0; i < clientNum; i++ {
wg.Add(2)
go func(c paho.Client) {
defer wg.Done()
r := c.OptionsReader()
for j := 0; j < msgNum; j++ {
topic := r.ClientID()
text := fmt.Sprintf("%d", j)
token := c.Publish(topic, 1, false, text)
token.Wait()
if token.Error() != nil {
t.Errorf("client <%d> publish failed, <%s>", i, token.Error())
}
}
fmt.Printf("client %s finished publish\n", r.ClientID())
}(clients[i])
go func(c paho.Client) {
defer wg.Done()
r := c.OptionsReader()
for j := 0; j < msgNum; j++ {
topic := r.ClientID()
text := fmt.Sprintf("sub %d", j)
broker.sendMsgToClient(nil, topic, []byte(text), QoS1)
}
}(clients[i])
}
fmt.Printf("TestSendMsgBack: finished publish and send msg back\n")
wg.Add(2)
// receive msg
go func() {
defer func() {
fmt.Printf("all msg received!\n")
wg.Done()
}()
producer := broker.backend.(*testMQ)
ans := make(map[string]int)
for i := 0; i < clientNum*msgNum; i++ {
p := producer.get()
num, _ := strconv.Atoi(string(p.Payload))
if val, ok := ans[p.TopicName]; ok {
if num != val+1 {
t.Errorf("received publish not in order")
}
ans[p.TopicName] = num
} else {
if num != 0 {
t.Errorf("received publish not in order")
}
ans[p.TopicName] = num
}
}
}()
// check get enough msg, there may be resend
checkAns := func(ans map[string]map[string]struct{}) bool {
if len(ans) < clientNum {
return false
}
for _, v := range ans {
if len(v) < msgNum {
return false
}
}
return true
}
// receive subscribes
go func() {
defer func() {
fmt.Printf("all subscribes received!\n")
wg.Done()
}()
ans := make(map[string]map[string]struct{})
for {
if checkAns(ans) {
break
}
msg := <-subscribeCh
if _, ok := ans[msg.topic]; ok {
ans[msg.topic][msg.payload] = struct{}{}
} else {
ans[msg.topic] = make(map[string]struct{})
ans[msg.topic][msg.payload] = struct{}{}
}
}
for _, v := range ans {
if len(v) != msgNum {
t.Errorf("not receive right number of msg")
}
}
}()
fmt.Printf("TestSendMsgBack: wait received all msg and subscribes\n")
// close
wg.Wait()
fmt.Printf("TestSendMsgBack: received all msg and subscribes\n")
done := make(chan struct{})
go func() {
for {
select {
case <-done:
return
case <-subscribeCh:
}
}
}()
broker.close()
for _, c := range clients {
go c.Disconnect(200)
}
close(done)
}
func TestYamlEncodeDecode(t *testing.T) {
b64passwd := base64.StdEncoding.EncodeToString([]byte("test"))
broker := getBroker("test", "test", b64passwd, 1883)
// old session
s := &Session{
broker: broker,
info: &SessionInfo{
Topics: map[string]int{"abc": 1, "def": 2},
ClientID: "test",
CleanFlag: true,
},
}
str, err := s.encode()
if err != nil {
t.Errorf("%s", err.Error())
}
// new session
newS := Session{
info: &SessionInfo{},
}
if err := newS.decode(str); err != nil {
t.Errorf("yaml Decode error")
}
if !reflect.DeepEqual(newS.info.Topics, s.info.Topics) || newS.info.ClientID != s.info.ClientID || newS.info.CleanFlag != s.info.CleanFlag {
t.Errorf("yaml encode decode error")
}
broker.close()
}
type testServer struct {
mux *http.ServeMux
srv http.Server
addr string
}
func newServer(addr string) *testServer {
mux := http.NewServeMux()
srv := http.Server{Addr: addr, Handler: mux}
ts := &testServer{
mux: mux,
srv: srv,
addr: addr,
}
return ts
}
func (ts *testServer) addHandlerFunc(pattern string, f http.HandlerFunc) {
ts.mux.HandleFunc(pattern, f)
}
func (ts *testServer) start() error {
go ts.srv.ListenAndServe()
// Poll server until it is ready
for t := 0; t < 25; t++ {
time.Sleep(50 * time.Millisecond)
req, _ := http.NewRequest(http.MethodGet, "http:https://localhost"+ts.addr, nil)
_, err := http.DefaultClient.Do(req)
if err == nil {
return nil
}
}
return errors.New("Server did not respond")
}
func (ts *testServer) shutdown() {
ts.srv.Shutdown(context.Background())
}
func topicsPublish(t *testing.T, data HTTPJsonData) int {
jsonData, err := json.Marshal(data)
if err != nil {
t.Errorf("json marshal error")
}
req, err := http.NewRequest(http.MethodPost, "http:https://localhost:8888/mqtt", bytes.NewBuffer(jsonData))
if err != nil {
t.Errorf("request mqtt error")
}
resp, err := http.DefaultClient.Do(req)
if err != nil {
t.Errorf("mqtt client do error, %s", err.Error())
}
defer resp.Body.Close()
return resp.StatusCode
}
func TestHTTPRequest(t *testing.T) {
b64passwd := base64.StdEncoding.EncodeToString([]byte("test"))
broker := getBroker("test", "test", b64passwd, 1883)
srv := newServer(":8888")
srv.addHandlerFunc("/mqtt", broker.httpTopicsPublishHandler)
if err := srv.start(); err != nil {
t.Errorf("couldn't start server: %s", err)
}
// GET request should fail
req, _ := http.NewRequest(http.MethodGet, "http:https://localhost:8888/mqtt", nil)
resp, err := http.DefaultClient.Do(req)
if err != nil {
t.Errorf("client do req error %s", err)
}
if resp.StatusCode == http.StatusOK {
t.Errorf("http GET should fail, only POST permitted")
}
resp.Body.Close()
// non json data should fail
req, err = http.NewRequest(http.MethodPost, "http:https://localhost:8888/mqtt", bytes.NewBuffer([]byte("non json")))
if err != nil {
t.Errorf("request mqtt error")
}
resp, err = http.DefaultClient.Do(req)
if err != nil {
t.Errorf("mqtt client do error")
}
if resp.StatusCode == http.StatusOK {
t.Errorf("http post should put json data")
}
resp.Body.Close()
// err qos should fail
data := HTTPJsonData{
Topic: "topic",
QoS: 10,
Payload: "data",
Base64: false,
}
statusCode := topicsPublish(t, data)
if statusCode == http.StatusOK {
t.Errorf("qos must be 0 or 1 or 2")
}
// base64 flag
data = HTTPJsonData{
Topic: "topic",
QoS: 10,
Payload: "data",
Base64: true,
}
statusCode = topicsPublish(t, data)
if statusCode == http.StatusOK {
t.Errorf("not use base64 but set base64 true")
}
// success
data = HTTPJsonData{
Topic: "topic",
QoS: 1,
Payload: "data",
Base64: false,
}
statusCode = topicsPublish(t, data)
if statusCode != http.StatusOK {
t.Errorf("request should success")
}
data = HTTPJsonData{
Topic: "topic",
QoS: 1,
Payload: base64.StdEncoding.EncodeToString([]byte("data")),
Base64: true,
}
statusCode = topicsPublish(t, data)
if statusCode != http.StatusOK {
t.Errorf("request should success")
}
broker.close()
srv.shutdown()
}
func TestHTTPPublish(t *testing.T) {
b64passwd := base64.StdEncoding.EncodeToString([]byte("test"))