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[TEST] improve websocket

This commit is contained in:
Martin Geno 2017-10-27 19:40:42 +02:00
parent 80290a8a17
commit 9d60973ea1
No known key found for this signature in database
GPG Key ID: F0D39A37E925E941
9 changed files with 207 additions and 36 deletions
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8
database/main.go
View File

@ -3,11 +3,11 @@ package database
import (
"github.com/jinzhu/gorm"
_ "github.com/jinzhu/gorm/dialects/mysql"
_ "github.com/jinzhu/gorm/dialects/postgres"
_ "github.com/jinzhu/gorm/dialects/sqlite"
_ "github.com/jinzhu/gorm/dialects/mysql"
"github.com/genofire/golang-lib/log"
log "github.com/sirupsen/logrus"
)
// Database connection for writing purposes
@ -36,7 +36,7 @@ type Config struct {
// Function to open a database and set the given configuration
func Open(c Config) (err error) {
writeLog := log.Log.WithField("db", "write")
writeLog := log.WithField("db", "write")
config = &c
Write, err = gorm.Open(config.Type, config.Connection)
if err != nil {
@ -48,7 +48,7 @@ func Open(c Config) (err error) {
Write.Callback().Create().Remove("gorm:update_time_stamp")
Write.Callback().Update().Remove("gorm:update_time_stamp")
if len(config.ReadConnection) > 0 {
readLog := log.Log.WithField("db", "read")
readLog := log.WithField("db", "read")
Read, err = gorm.Open(config.Type, config.ReadConnection)
if err != nil {
return

12
websocket/client.go
View File

@ -3,6 +3,7 @@ package websocket
import (
"io"
"github.com/google/uuid"
log "github.com/sirupsen/logrus"
"github.com/gorilla/websocket"
@ -11,6 +12,7 @@ import (
const channelBufSize = 100
type Client struct {
id uuid.UUID
server *Server
ws *websocket.Conn
out chan *Message
@ -27,6 +29,7 @@ func NewClient(s *Server, ws *websocket.Conn) *Client {
return &Client{
server: s,
ws: ws,
id: uuid.New(), // fallback id (for testing)
out: make(chan *Message, channelBufSize),
writeQuit: make(chan bool),
readQuit: make(chan bool),
@ -34,14 +37,16 @@ func NewClient(s *Server, ws *websocket.Conn) *Client {
}
func (c *Client) GetID() string {
if c.ws != nil {
return c.ws.RemoteAddr().String()
}
return c.id.String()
}
func (c *Client) Write(msg *Message) {
select {
case c.out <- msg:
default:
c.server.SessionManager.Remove(c)
c.server.DelClient(c)
c.Close()
}
@ -57,13 +62,12 @@ func (c *Client) Close() {
func (c *Client) Listen() {
go c.listenWrite()
c.server.AddClient(c)
c.server.SessionManager.Init(c)
c.listenRead()
}
func (c *Client) handleInput(msg *Message) {
msg.From = c
if c.server.SessionManager.HandleMessage(msg) {
if sm := c.server.sessionManager; sm != nil && sm.HandleMessage(msg) {
return
}
if ok, err := msg.Validate(); ok {
@ -81,7 +85,6 @@ func (c *Client) listenWrite() {
websocket.WriteJSON(c.ws, msg)
case <-c.writeQuit:
c.server.SessionManager.Remove(c)
c.server.DelClient(c)
close(c.out)
close(c.writeQuit)
@ -96,7 +99,6 @@ func (c *Client) listenRead() {
select {
case <-c.readQuit:
c.server.SessionManager.Remove(c)
c.server.DelClient(c)
close(c.readQuit)
return

46
websocket/client_test.go Normal file
View File

@ -0,0 +1,46 @@
package websocket
import (
"testing"
"github.com/google/uuid"
"github.com/gorilla/websocket"
"github.com/stretchr/testify/assert"
)
func TestClient(t *testing.T) {
assert := assert.New(t)
chanMsg := make(chan *Message)
sm := NewSessionManager()
srv := NewServer(chanMsg, sm)
assert.Panics(func() {
NewClient(srv, nil)
})
client := NewClient(srv, &websocket.Conn{})
assert.NotNil(client)
client = &Client{
server: srv,
id: uuid.New(),
out: make(chan *Message, channelBufSize),
writeQuit: make(chan bool),
readQuit: make(chan bool),
}
client.handleInput(&Message{})
go client.handleInput(&Message{Subject: "a"})
msg := <-chanMsg
assert.Equal("a", msg.Subject)
// msg catched by sessionManager -> not read from chanMsg needed
client.handleInput(&Message{
ID: uuid.New(),
Subject: SessionMessageInit,
})
}

30
websocket/msg_test.go
View File

@ -1,9 +1,9 @@
package websocket
import (
"testing"
"github.com/google/uuid"
"github.com/stretchr/testify/assert"
)
@ -22,3 +22,31 @@ func TestMSGValidate(t *testing.T) {
msg.Subject = ""
assert.False(msg.Validate())
}
func TestMSGAnswer(t *testing.T) {
assert := assert.New(t)
out := make(chan *Message, channelBufSize)
client := &Client{
id: uuid.New(),
out: out,
writeQuit: make(chan bool),
readQuit: make(chan bool),
}
conversationID := uuid.New()
msg := &Message{
From: client,
ID: conversationID,
}
go msg.Answer("hi", nil)
msg = <-out
assert.Equal(conversationID, msg.ID)
assert.Equal(uuid.Nil, msg.Session)
assert.Equal(client, msg.From)
assert.Equal("hi", msg.Subject)
assert.Nil(msg.Body)
}

17
websocket/server.go
View File

@ -12,15 +12,15 @@ type Server struct {
msgChanIn chan *Message
clients map[string]*Client
clientsMutex sync.Mutex
SessionManager *SessionManager
sessionManager *SessionManager
upgrader websocket.Upgrader
}
func NewServer(msgChanIn chan *Message) *Server {
func NewServer(msgChanIn chan *Message, sessionManager *SessionManager) *Server {
return &Server{
clients: make(map[string]*Client),
msgChanIn: msgChanIn,
SessionManager: NewSessionManager(),
sessionManager: sessionManager,
upgrader: websocket.Upgrader{
ReadBufferSize: 1024,
WriteBufferSize: 1024,
@ -31,7 +31,7 @@ func NewServer(msgChanIn chan *Message) *Server {
func (s *Server) Handler(w http.ResponseWriter, r *http.Request) {
conn, err := s.upgrader.Upgrade(w, r, nil)
if err != nil {
log.Println(err)
log.Info(err)
return
}
client := NewClient(s, conn)
@ -45,8 +45,11 @@ func (s *Server) AddClient(c *Client) {
}
if id := c.GetID(); id != "" {
s.clientsMutex.Lock()
defer s.clientsMutex.Unlock()
s.clients[id] = c
s.clientsMutex.Unlock()
if s.sessionManager != nil {
s.sessionManager.Init(c)
}
}
}
@ -58,6 +61,8 @@ func (s *Server) DelClient(c *Client) {
s.clientsMutex.Lock()
delete(s.clients, id)
s.clientsMutex.Unlock()
s.SessionManager.Remove(c)
if s.sessionManager != nil {
s.sessionManager.Remove(c)
}
}
}

33
websocket/server_test.go Normal file
View File

@ -0,0 +1,33 @@
package websocket
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/stretchr/testify/assert"
)
func TestServer(t *testing.T) {
assert := assert.New(t)
srv := NewServer(nil, NewSessionManager())
assert.NotNil(srv)
req, _ := http.NewRequest("GET", "url", nil)
w := httptest.NewRecorder()
srv.Handler(w, req)
out := make(chan *Message)
c := &Client{
out: out,
server: srv,
}
srv.AddClient(nil)
go srv.AddClient(c)
msg := <-out
assert.Equal(SessionMessageInit, msg.Subject)
srv.DelClient(nil)
srv.DelClient(c)
}

28
websocket/session.go
View File

@ -40,38 +40,44 @@ func (s *SessionManager) HandleMessage(msg *Message) bool {
s.clientToSession[id] = msg.ID
s.sessionToClient[msg.ID] = list
return true
} else {
} else if msg.From != nil {
id := msg.From.GetID()
msg.Session = s.clientToSession[id]
}
return false
}
func (s *SessionManager) Remove(c *Client) {
// Remove clients from SessionManagerer
// - 1. result: clients removed from session manager
// - 2. result: session closed and all clients removed
func (s *SessionManager) Remove(c *Client) (client bool, session bool) {
if c == nil {
return
return false, false
}
if id := c.GetID(); id != "" {
session := s.clientToSession[id]
defer delete(s.clientToSession, id)
if session != uuid.Nil {
s.Lock()
defer s.Unlock()
list := s.sessionToClient[session]
delete(list, id)
if len(list) > 0 {
s.sessionToClient[session] = list
clients := s.sessionToClient[session]
delete(clients, id)
if len(clients) > 0 {
s.sessionToClient[session] = clients
return true, false
} else {
delete(s.sessionToClient, session)
return true, true
}
}
delete(s.clientToSession, id)
}
return false, false
}
func (s *SessionManager) Send(id uuid.UUID, msg *Message) {
session := s.sessionToClient[id]
for _, c := range session {
clients := s.sessionToClient[id]
for _, c := range clients {
c.Write(msg)
}
}

56
websocket/session_test.go
View File

@ -3,8 +3,6 @@ package websocket
import (
"testing"
"github.com/gorilla/websocket"
"github.com/google/uuid"
"github.com/stretchr/testify/assert"
)
@ -17,13 +15,13 @@ func TestSessionManager(t *testing.T) {
out := make(chan *Message, channelBufSize)
client := &Client{
id: uuid.New(),
out: out,
writeQuit: make(chan bool),
readQuit: make(chan bool),
ws: &websocket.Conn{},
}
session.Init(client)
go session.Init(client)
msg := <-out
assert.Equal(SessionMessageInit, msg.Subject)
@ -37,7 +35,57 @@ func TestSessionManager(t *testing.T) {
result = session.HandleMessage(&Message{
ID: uuid.New(),
From: client,
})
assert.False(result)
sessionID := uuid.New()
result = session.HandleMessage(&Message{
ID: sessionID,
From: client,
Subject: SessionMessageInit,
})
assert.True(result)
go session.Send(sessionID, &Message{
Subject: "some trash",
})
msg = <-out
assert.Equal("some trash", msg.Subject)
// a client need to disconnected
c, s := session.Remove(nil)
assert.False(c)
assert.False(s)
out2 := make(chan *Message, channelBufSize)
client2 := &Client{
id: uuid.New(),
out: out2,
writeQuit: make(chan bool),
readQuit: make(chan bool),
}
go session.Init(client2)
msg = <-out2
result = session.HandleMessage(&Message{
ID: sessionID,
From: client2,
Subject: SessionMessageInit,
})
assert.True(result)
// remove first client of session
c, s = session.Remove(client)
assert.True(c)
assert.False(s)
// remove last client of session
c, s = session.Remove(client2)
assert.True(c)
assert.True(s)
// all client disconnected already
c, s = session.Remove(client2)
assert.False(c)
assert.False(s)
}

5
worker/main_test.go
View File

@ -20,6 +20,9 @@ func TestWorker(t *testing.T) {
go w.Start()
time.Sleep(time.Duration(18) * time.Millisecond)
w.Close()
time.Sleep(time.Duration(18) * time.Millisecond)
assert.Equal(3, runtime)
assert.Panics(func() {
w.Close()
})
}