tendermint/privval/socket_test.go
Thane Thomson ca00cd6a78 Make privval listener testing generic
This cuts out two tests by constructing test cases and iterating through
them, rather than having separate sets of tests for TCP and Unix listeners.
This is as per the feedback from #3121.
2019-01-15 10:14:41 +02:00

134 lines
3.2 KiB
Go

package privval
import (
"io/ioutil"
"net"
"os"
"testing"
"time"
"github.com/tendermint/tendermint/crypto/ed25519"
)
//-------------------------------------------
// helper funcs
func newPrivKey() ed25519.PrivKeyEd25519 {
return ed25519.GenPrivKey()
}
//-------------------------------------------
// tests
type listenerTestCase struct {
description string // For test reporting purposes.
listener net.Listener
dialer Dialer
}
// getTestUnixAddr will attempt to obtain a platform-independent temporary file
// name for a Unix socket
func getTestUnixAddr() (string, error) {
f, err := ioutil.TempFile("", "tendermint-privval-test")
if err != nil {
return "", err
}
addr := f.Name()
f.Close()
os.Remove(addr)
return addr, nil
}
func constructTCPListenerTestCase(t *testing.T, acceptDeadline, connectDeadline time.Duration) listenerTestCase {
ln, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatal(err)
}
tcpLn := NewTCPListener(ln, newPrivKey())
TCPListenerAcceptDeadline(acceptDeadline)(tcpLn)
TCPListenerConnDeadline(connectDeadline)(tcpLn)
return listenerTestCase{
description: "TCP",
listener: tcpLn,
dialer: DialTCPFn(ln.Addr().String(), testConnDeadline, newPrivKey()),
}
}
func constructUnixListenerTestCase(t *testing.T, acceptDeadline, connectDeadline time.Duration) listenerTestCase {
addr, err := getTestUnixAddr()
if err != nil {
t.Fatal(err)
}
ln, err := net.Listen("unix", addr)
if err != nil {
t.Fatal(err)
}
unixLn := NewUnixListener(ln)
UnixListenerAcceptDeadline(acceptDeadline)(unixLn)
UnixListenerConnDeadline(connectDeadline)(unixLn)
return listenerTestCase{
description: "Unix",
listener: unixLn,
dialer: DialUnixFn(addr),
}
}
func constructListenerTestCases(t *testing.T, acceptDeadline, connectDeadline time.Duration) []listenerTestCase {
return []listenerTestCase{
constructTCPListenerTestCase(t, acceptDeadline, connectDeadline),
constructUnixListenerTestCase(t, acceptDeadline, connectDeadline),
}
}
func TestListenerAcceptDeadlines(t *testing.T) {
for _, tc := range constructListenerTestCases(t, time.Millisecond, time.Second) {
_, err := tc.listener.Accept()
opErr, ok := err.(*net.OpError)
if !ok {
t.Fatalf("for %s listener, have %v, want *net.OpError", tc.description, err)
}
if have, want := opErr.Op, "accept"; have != want {
t.Errorf("for %s listener, have %v, want %v", tc.description, have, want)
}
}
}
func TestListenerConnectDeadlines(t *testing.T) {
for _, tc := range constructListenerTestCases(t, time.Second, time.Millisecond) {
readyc := make(chan struct{})
donec := make(chan struct{})
go func(ln net.Listener) {
defer close(donec)
c, err := ln.Accept()
if err != nil {
t.Fatal(err)
}
<-readyc
time.Sleep(2 * time.Millisecond)
msg := make([]byte, 200)
_, err = c.Read(msg)
opErr, ok := err.(*net.OpError)
if !ok {
t.Fatalf("for %s listener, have %v, want *net.OpError", tc.description, err)
}
if have, want := opErr.Op, "read"; have != want {
t.Errorf("for %s listener, have %v, want %v", tc.description, have, want)
}
}(tc.listener)
_, err := tc.dialer()
if err != nil {
t.Fatal(err)
}
close(readyc)
<-donec
}
}