func TestPrepareInheriteFiles(t *testing.T) {
var n Net
port1, err := freeport.Get()
ensure.Nil(t, err)
addr1 := fmt.Sprintf(":%d", port1)
l1, err := net.Listen("tcp", addr1)
ensure.Nil(t, err)
port2, err := freeport.Get()
ensure.Nil(t, err)
addr2 := fmt.Sprintf(":%d", port2)
l2, err := net.Listen("tcp", addr2)
ensure.Nil(t, err)
files, err := n.prepareInheriteFiles([]net.Listener{l1, l2})
ensure.Nil(t, err)
ensure.DeepEqual(t, len(files), 2)
// assign both to prevent GC from kicking in the finalizer
fds := []int{dup(t, int(files[0].Fd())), dup(t, int(files[0].Fd()))}
n.fdStart = fds[0]
os.Setenv(envCountKey, "2")
// Close these after to ensure we get coalaced file descriptors.
ensure.Nil(t, l1.Close())
ensure.Nil(t, l2.Close())
ensure.Nil(t, n.inherit())
ensure.DeepEqual(t, len(n.inherited), 2)
}
// Find 3 free ports and setup addresses.
func (h *harness) setupAddr() {
port, err := freeport.Get()
if err != nil {
h.T.Fatalf("Failed to find a free port: %s", err)
}
h.httpAddr = fmt.Sprintf("127.0.0.1:%d", port)
port, err = freeport.Get()
if err != nil {
h.T.Fatalf("Failed to find a free port: %s", err)
}
h.httpsAddr = fmt.Sprintf("127.0.0.1:%d", port)
debug("Addresses %s & %s", h.httpAddr, h.httpsAddr)
}
func TestTwoTCP(t *testing.T) {
var n Net
port1, err := freeport.Get()
ensure.Nil(t, err)
addr1 := fmt.Sprintf(":%d", port1)
l1, err := net.Listen("tcp", addr1)
ensure.Nil(t, err)
port2, err := freeport.Get()
ensure.Nil(t, err)
addr2 := fmt.Sprintf(":%d", port2)
l2, err := net.Listen("tcp", addr2)
ensure.Nil(t, err)
file1, err := l1.(*net.TCPListener).File()
ensure.Nil(t, err)
file2, err := l2.(*net.TCPListener).File()
ensure.Nil(t, err)
// assign both to prevent GC from kicking in the finalizer
fds := []int{dup(t, int(file1.Fd())), dup(t, int(file2.Fd()))}
n.fdStart = fds[0]
os.Setenv(envCountKey, "2")
// Close these after to ensure we get coalaced file descriptors.
ensure.Nil(t, l1.Close())
ensure.Nil(t, l2.Close())
ensure.Nil(t, n.inherit())
ensure.DeepEqual(t, len(n.inherited), 2)
l1, err = n.Listen("tcp", addr1)
ensure.Nil(t, err)
ensure.DeepEqual(t, len(n.active), 1)
ensure.DeepEqual(t, n.inherited[0], nil)
ensure.Nil(t, l1.Close())
ensure.Nil(t, file1.Close())
l2, err = n.Listen("tcp", addr2)
ensure.Nil(t, err)
ensure.DeepEqual(t, len(n.active), 2)
ensure.DeepEqual(t, n.inherited[1], nil)
ensure.Nil(t, l2.Close())
ensure.Nil(t, file2.Close())
}
func TestTLS(t *testing.T) {
t.Parallel()
port, err := freeport.Get()
ensure.Nil(t, err)
cert, err := tls.X509KeyPair(localhostCert, localhostKey)
if err != nil {
t.Fatalf("error loading cert: %v", err)
}
const count = 10000
hello := []byte("hello")
finOkHandler := make(chan struct{})
okHandler := func(w http.ResponseWriter, r *http.Request) {
defer close(finOkHandler)
w.WriteHeader(200)
for i := 0; i < count; i++ {
w.Write(hello)
}
}
server := &http.Server{
Addr: fmt.Sprintf("0.0.0.0:%d", port),
Handler: http.HandlerFunc(okHandler),
TLSConfig: &tls.Config{
NextProtos: []string{"http/1.1"},
Certificates: []tls.Certificate{cert},
},
}
transport := &http.Transport{
TLSClientConfig: &tls.Config{
InsecureSkipVerify: true,
},
}
client := &http.Client{Transport: transport}
down := &httpdown.HTTP{}
s, err := down.ListenAndServe(server)
ensure.Nil(t, err)
res, err := client.Get(fmt.Sprintf("https://%s/", server.Addr))
ensure.Nil(t, err)
finStop := make(chan struct{})
go func() {
defer close(finStop)
ensure.Nil(t, s.Stop())
}()
actualBody, err := ioutil.ReadAll(res.Body)
ensure.Nil(t, err)
ensure.DeepEqual(t, actualBody, bytes.Repeat(hello, count))
ensure.Nil(t, res.Body.Close())
<-finOkHandler
<-finStop
}
func TestSafeRetry(t *testing.T) {
t.Parallel()
port, err := freeport.Get()
if err != nil {
t.Fatal(err)
}
addr := fmt.Sprintf("127.0.0.1:%d", port)
server := httptest.NewUnstartedServer(sleepHandler(time.Millisecond))
transport := &httpcontrol.Transport{
MaxTries: 2,
}
first := false
second := false
transport.Stats = func(stats *httpcontrol.Stats) {
if !first {
first = true
if stats.Error == nil {
t.Fatal("was expecting error")
}
if !stats.Retry.Pending {
t.Fatal("was expecting pending retry", stats.Error)
}
server.Listener, err = net.Listen("tcp", addr)
if err != nil {
t.Fatal(err)
}
server.Start()
return
}
if !second {
second = true
if stats.Error != nil {
t.Fatal(stats.Error, server.URL)
}
return
}
}
defer call(transport.Close, t)
client := &http.Client{Transport: transport}
res, err := client.Get(fmt.Sprintf("http://%s/", addr))
if err != nil {
t.Fatal(err)
}
assertResponse(res, t)
if !first {
t.Fatal("did not see first request")
}
if !second {
t.Fatal("did not see second request")
}
}
func NewServer(t Fatalf) *Server {
port, err := freeport.Get()
if err != nil {
t.Fatalf("failed to find freeport: %s", err)
}
s := &Server{
Port: port,
T: t,
}
err = s.Start()
if err != nil {
t.Fatalf("failed to find freeport: %s", err)
}
return s
}
func TestOneUnixAndOneTcpInherit(t *testing.T) {
var n Net
tmpfile, err := ioutil.TempFile("", "TestOneUnixAndOneTcpInherit-")
ensure.Nil(t, err)
ensure.Nil(t, tmpfile.Close())
ensure.Nil(t, os.Remove(tmpfile.Name()))
defer os.Remove(tmpfile.Name())
unixL, err := net.Listen("unix", tmpfile.Name())
ensure.Nil(t, err)
port, err := freeport.Get()
ensure.Nil(t, err)
addr := fmt.Sprintf(":%d", port)
tcpL, err := net.Listen("tcp", addr)
ensure.Nil(t, err)
tcpF, err := tcpL.(*net.TCPListener).File()
ensure.Nil(t, err)
unixF, err := unixL.(*net.UnixListener).File()
ensure.Nil(t, err)
// assign both to prevent GC from kicking in the finalizer
fds := []int{dup(t, int(tcpF.Fd())), dup(t, int(unixF.Fd()))}
n.fdStart = fds[0]
os.Setenv(envCountKey, "2")
// Close these after to ensure we get coalaced file descriptors.
ensure.Nil(t, tcpL.Close())
ensure.Nil(t, unixL.Close())
ensure.Nil(t, n.inherit())
ensure.DeepEqual(t, len(n.inherited), 2)
unixL, err = n.Listen("unix", tmpfile.Name())
ensure.Nil(t, err)
ensure.DeepEqual(t, len(n.active), 1)
ensure.DeepEqual(t, n.inherited[1], nil)
ensure.Nil(t, unixL.Close())
ensure.Nil(t, unixF.Close())
tcpL, err = n.Listen("tcp", addr)
ensure.Nil(t, err)
ensure.DeepEqual(t, len(n.active), 2)
ensure.DeepEqual(t, n.inherited[0], nil)
ensure.Nil(t, tcpL.Close())
ensure.Nil(t, tcpF.Close())
}
// Start the server, this will return once the server has been started.
func (s *Server) Start() {
port, err := freeport.Get()
if err != nil {
s.T.Fatalf(err.Error())
}
s.Port = port
dir, err := ioutil.TempDir("", "mysql-DataDir-")
if err != nil {
s.T.Fatalf(err.Error())
}
s.DataDir = dir
s.Socket = filepath.Join(dir, "socket")
cf, err := os.Create(filepath.Join(dir, "my.cnf"))
if err != nil {
s.T.Fatalf(err.Error())
}
if err := configTemplate.Execute(cf, s); err != nil {
s.T.Fatalf(err.Error())
}
if err := cf.Close(); err != nil {
s.T.Fatalf(err.Error())
}
defaultsFile := fmt.Sprintf("--defaults-file=%s", cf.Name())
s.cmd = exec.Command("mysql_install_db", defaultsFile, "--basedir", mysqlBaseDir)
if os.Getenv("MYSQLTEST_VERBOSE") == "1" {
s.cmd.Stdout = os.Stdout
s.cmd.Stderr = os.Stderr
}
if err := s.cmd.Run(); err != nil {
s.T.Fatalf(err.Error())
}
waiter := waitout.New(mysqlReadyForConnections)
s.cmd = exec.Command("mysqld", defaultsFile, "--basedir", mysqlBaseDir)
if os.Getenv("MYSQLTEST_VERBOSE") == "1" {
s.cmd.Stdout = os.Stdout
s.cmd.Stderr = io.MultiWriter(os.Stderr, waiter)
} else {
s.cmd.Stderr = waiter
}
if err := s.cmd.Start(); err != nil {
s.T.Fatalf(err.Error())
}
waiter.Wait()
}
func (h *Harness) start() {
var err error
if h.port == 0 {
if h.port, err = freeport.Get(); err != nil {
h.t.Fatal(err)
}
}
cf, err := ioutil.TempFile("", "gmetric_test_gmond_conf")
if err != nil {
h.t.Fatal(err)
}
h.configPath = cf.Name()
td := struct{ Port int }{Port: h.port}
if err := configTemplate.Execute(cf, td); err != nil {
h.t.Fatal(err)
}
if err := cf.Close(); err != nil {
h.t.Fatal(err)
}
waiter := waitout.New(gmondServerStarted)
h.cmd = exec.Command("gmond", "--conf", h.configPath)
if os.Getenv("GMONDTEST_VERBOSE") == "1" {
h.cmd.Stderr = io.MultiWriter(os.Stderr, waiter)
h.cmd.Stdout = os.Stdout
} else {
h.cmd.Stderr = waiter
}
if err := h.cmd.Start(); err != nil {
h.t.Fatal(err)
}
waiter.Wait()
h.Client = &gmetric.Client{
Addr: []net.Addr{
&net.UDPAddr{IP: net.ParseIP(localhostIP), Port: h.port},
},
}
if err := h.Client.Open(); err != nil {
h.t.Fatal(err)
}
}
// Start the server, this will return once the server has been started.
func (s *Server) Start(args ...string) {
if s.Port == 0 {
port, err := freeport.Get()
if err != nil {
s.T.Fatalf(err.Error())
}
s.Port = port
}
if s.testName == "" {
s.T.Fatalf("Cannot determine name for test")
}
dir, err := ioutil.TempDir("", "mgotest-dbpath-"+s.testName)
if err != nil {
s.T.Fatalf(err.Error())
}
s.DBPath = dir
cf, err := ioutil.TempFile(s.DBPath, "config-")
if err != nil {
s.T.Fatalf(err.Error())
}
if err := configTemplate.Execute(cf, s); err != nil {
s.T.Fatalf(err.Error())
}
if err := cf.Close(); err != nil {
s.T.Fatalf(err.Error())
}
waiter := waitout.New(mgoWaitingForConnections)
args = append(args, "--config", cf.Name(), "--setParameter", "enableTestCommands=1")
s.cmd = exec.Command("mongod", args...)
s.cmd.Env = envPlusLcAll()
if os.Getenv("MGOTEST_VERBOSE") == "1" {
s.cmd.Stdout = io.MultiWriter(os.Stdout, waiter)
s.cmd.Stderr = os.Stderr
} else {
s.cmd.Stdout = waiter
}
if err := s.cmd.Start(); err != nil {
s.T.Fatalf(err.Error())
}
waiter.Wait()
}
func TestWithTcp0000(t *testing.T) {
var n Net
port, err := freeport.Get()
ensure.Nil(t, err)
addr := fmt.Sprintf("0.0.0.0:%d", port)
l, err := net.Listen("tcp", addr)
ensure.Nil(t, err)
file, err := l.(*net.TCPListener).File()
ensure.Nil(t, err)
ensure.Nil(t, l.Close())
n.fdStart = dup(t, int(file.Fd()))
ensure.Nil(t, file.Close())
os.Setenv(envCountKey, "1")
ensure.Nil(t, n.inherit())
ensure.DeepEqual(t, len(n.inherited), 1)
l, err = n.Listen("tcp", addr)
ensure.Nil(t, err)
ensure.DeepEqual(t, len(n.active), 1)
ensure.DeepEqual(t, n.inherited[0], nil)
ensure.Nil(t, l.Close())
}
func TestSafeRetryAfterTimeout(t *testing.T) {
t.Parallel()
port, err := freeport.Get()
if err != nil {
t.Fatal(err)
}
addr := fmt.Sprintf("127.0.0.1:%d", port)
server := httptest.NewUnstartedServer(sleepHandler(5 * time.Second))
transport := &httpcontrol.Transport{
MaxTries: 3,
RequestTimeout: 5 * time.Millisecond,
RetryAfterTimeout: true,
}
first := false
second := false
third := false
transport.Stats = func(stats *httpcontrol.Stats) {
if !first {
first = true
if stats.Error == nil {
t.Fatal("was expecting error")
}
if !stats.Retry.Pending {
t.Fatal("was expecting pending retry", stats.Error)
}
server.Listener, err = net.Listen("tcp", addr)
if err != nil {
t.Fatal(err)
}
server.Start()
return
}
if !second {
second = true
if stats.Error == nil {
t.Fatal("was expecting error")
}
if !stats.Retry.Pending {
t.Fatal("was expecting pending retry", stats.Error)
}
return
}
if !third {
third = true
if stats.Error == nil {
t.Fatal("was expecting error")
}
if !stats.Retry.Pending {
t.Fatal("was expecting pending retry", stats.Error)
}
}
}
client := &http.Client{Transport: transport}
_, err = client.Get(fmt.Sprintf("http://%s/", addr))
// Expect this to fail
if err == nil {
t.Fatal(err)
}
if !first {
t.Fatal("did not see first request")
}
if !second {
t.Fatal("did not see second request")
}
if !third {
t.Fatal("did not see third request")
}
}