mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-12-18 08:26:45 +02:00
575 lines
11 KiB
Go
575 lines
11 KiB
Go
package pq
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"runtime"
|
|
"sync"
|
|
"sync/atomic"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
var errNilNotification = errors.New("nil notification")
|
|
|
|
func expectNotification(t *testing.T, ch <-chan *Notification, relname string, extra string) error {
|
|
select {
|
|
case n := <-ch:
|
|
if n == nil {
|
|
return errNilNotification
|
|
}
|
|
if n.Channel != relname || n.Extra != extra {
|
|
return fmt.Errorf("unexpected notification %v", n)
|
|
}
|
|
return nil
|
|
case <-time.After(1500 * time.Millisecond):
|
|
return fmt.Errorf("timeout")
|
|
}
|
|
}
|
|
|
|
func expectNoNotification(t *testing.T, ch <-chan *Notification) error {
|
|
select {
|
|
case n := <-ch:
|
|
return fmt.Errorf("unexpected notification %v", n)
|
|
case <-time.After(100 * time.Millisecond):
|
|
return nil
|
|
}
|
|
}
|
|
|
|
func expectEvent(t *testing.T, eventch <-chan ListenerEventType, et ListenerEventType) error {
|
|
select {
|
|
case e := <-eventch:
|
|
if e != et {
|
|
return fmt.Errorf("unexpected event %v", e)
|
|
}
|
|
return nil
|
|
case <-time.After(1500 * time.Millisecond):
|
|
panic("expectEvent timeout")
|
|
}
|
|
}
|
|
|
|
func expectNoEvent(t *testing.T, eventch <-chan ListenerEventType) error {
|
|
select {
|
|
case e := <-eventch:
|
|
return fmt.Errorf("unexpected event %v", e)
|
|
case <-time.After(100 * time.Millisecond):
|
|
return nil
|
|
}
|
|
}
|
|
|
|
func newTestListenerConn(t *testing.T) (*ListenerConn, <-chan *Notification) {
|
|
datname := os.Getenv("PGDATABASE")
|
|
sslmode := os.Getenv("PGSSLMODE")
|
|
|
|
if datname == "" {
|
|
os.Setenv("PGDATABASE", "pqgotest")
|
|
}
|
|
|
|
if sslmode == "" {
|
|
os.Setenv("PGSSLMODE", "disable")
|
|
}
|
|
|
|
notificationChan := make(chan *Notification)
|
|
l, err := NewListenerConn("", notificationChan)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
return l, notificationChan
|
|
}
|
|
|
|
func TestNewListenerConn(t *testing.T) {
|
|
l, _ := newTestListenerConn(t)
|
|
|
|
defer l.Close()
|
|
}
|
|
|
|
func TestConnListen(t *testing.T) {
|
|
l, channel := newTestListenerConn(t)
|
|
|
|
defer l.Close()
|
|
|
|
db := openTestConn(t)
|
|
defer db.Close()
|
|
|
|
ok, err := l.Listen("notify_test")
|
|
if !ok || err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = db.Exec("NOTIFY notify_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = expectNotification(t, channel, "notify_test", "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestConnUnlisten(t *testing.T) {
|
|
l, channel := newTestListenerConn(t)
|
|
|
|
defer l.Close()
|
|
|
|
db := openTestConn(t)
|
|
defer db.Close()
|
|
|
|
ok, err := l.Listen("notify_test")
|
|
if !ok || err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = db.Exec("NOTIFY notify_test")
|
|
|
|
err = expectNotification(t, channel, "notify_test", "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ok, err = l.Unlisten("notify_test")
|
|
if !ok || err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = db.Exec("NOTIFY notify_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = expectNoNotification(t, channel)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestConnUnlistenAll(t *testing.T) {
|
|
l, channel := newTestListenerConn(t)
|
|
|
|
defer l.Close()
|
|
|
|
db := openTestConn(t)
|
|
defer db.Close()
|
|
|
|
ok, err := l.Listen("notify_test")
|
|
if !ok || err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = db.Exec("NOTIFY notify_test")
|
|
|
|
err = expectNotification(t, channel, "notify_test", "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
ok, err = l.UnlistenAll()
|
|
if !ok || err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = db.Exec("NOTIFY notify_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = expectNoNotification(t, channel)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestConnClose(t *testing.T) {
|
|
l, _ := newTestListenerConn(t)
|
|
defer l.Close()
|
|
|
|
err := l.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = l.Close()
|
|
if err != errListenerConnClosed {
|
|
t.Fatalf("expected errListenerConnClosed; got %v", err)
|
|
}
|
|
}
|
|
|
|
func TestConnPing(t *testing.T) {
|
|
l, _ := newTestListenerConn(t)
|
|
defer l.Close()
|
|
err := l.Ping()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = l.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = l.Ping()
|
|
if err != errListenerConnClosed {
|
|
t.Fatalf("expected errListenerConnClosed; got %v", err)
|
|
}
|
|
}
|
|
|
|
// Test for deadlock where a query fails while another one is queued
|
|
func TestConnExecDeadlock(t *testing.T) {
|
|
l, _ := newTestListenerConn(t)
|
|
defer l.Close()
|
|
|
|
var wg sync.WaitGroup
|
|
wg.Add(2)
|
|
|
|
go func() {
|
|
l.ExecSimpleQuery("SELECT pg_sleep(60)")
|
|
wg.Done()
|
|
}()
|
|
runtime.Gosched()
|
|
go func() {
|
|
l.ExecSimpleQuery("SELECT 1")
|
|
wg.Done()
|
|
}()
|
|
// give the two goroutines some time to get into position
|
|
runtime.Gosched()
|
|
// calls Close on the net.Conn; equivalent to a network failure
|
|
l.Close()
|
|
|
|
var done int32 = 0
|
|
go func() {
|
|
time.Sleep(10 * time.Second)
|
|
if atomic.LoadInt32(&done) != 1 {
|
|
panic("timed out")
|
|
}
|
|
}()
|
|
wg.Wait()
|
|
atomic.StoreInt32(&done, 1)
|
|
}
|
|
|
|
// Test for ListenerConn being closed while a slow query is executing
|
|
func TestListenerConnCloseWhileQueryIsExecuting(t *testing.T) {
|
|
l, _ := newTestListenerConn(t)
|
|
defer l.Close()
|
|
|
|
var wg sync.WaitGroup
|
|
wg.Add(1)
|
|
|
|
go func() {
|
|
sent, err := l.ExecSimpleQuery("SELECT pg_sleep(60)")
|
|
if sent {
|
|
panic("expected sent=false")
|
|
}
|
|
// could be any of a number of errors
|
|
if err == nil {
|
|
panic("expected error")
|
|
}
|
|
wg.Done()
|
|
}()
|
|
// give the above goroutine some time to get into position
|
|
runtime.Gosched()
|
|
err := l.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
var done int32 = 0
|
|
go func() {
|
|
time.Sleep(10 * time.Second)
|
|
if atomic.LoadInt32(&done) != 1 {
|
|
panic("timed out")
|
|
}
|
|
}()
|
|
wg.Wait()
|
|
atomic.StoreInt32(&done, 1)
|
|
}
|
|
|
|
func TestNotifyExtra(t *testing.T) {
|
|
db := openTestConn(t)
|
|
defer db.Close()
|
|
|
|
if getServerVersion(t, db) < 90000 {
|
|
t.Skip("skipping NOTIFY payload test since the server does not appear to support it")
|
|
}
|
|
|
|
l, channel := newTestListenerConn(t)
|
|
defer l.Close()
|
|
|
|
ok, err := l.Listen("notify_test")
|
|
if !ok || err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = db.Exec("NOTIFY notify_test, 'something'")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = expectNotification(t, channel, "notify_test", "something")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
// create a new test listener and also set the timeouts
|
|
func newTestListenerTimeout(t *testing.T, min time.Duration, max time.Duration) (*Listener, <-chan ListenerEventType) {
|
|
datname := os.Getenv("PGDATABASE")
|
|
sslmode := os.Getenv("PGSSLMODE")
|
|
|
|
if datname == "" {
|
|
os.Setenv("PGDATABASE", "pqgotest")
|
|
}
|
|
|
|
if sslmode == "" {
|
|
os.Setenv("PGSSLMODE", "disable")
|
|
}
|
|
|
|
eventch := make(chan ListenerEventType, 16)
|
|
l := NewListener("", min, max, func(t ListenerEventType, err error) { eventch <- t })
|
|
err := expectEvent(t, eventch, ListenerEventConnected)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
return l, eventch
|
|
}
|
|
|
|
func newTestListener(t *testing.T) (*Listener, <-chan ListenerEventType) {
|
|
return newTestListenerTimeout(t, time.Hour, time.Hour)
|
|
}
|
|
|
|
func TestListenerListen(t *testing.T) {
|
|
l, _ := newTestListener(t)
|
|
defer l.Close()
|
|
|
|
db := openTestConn(t)
|
|
defer db.Close()
|
|
|
|
err := l.Listen("notify_listen_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = db.Exec("NOTIFY notify_listen_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = expectNotification(t, l.Notify, "notify_listen_test", "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestListenerUnlisten(t *testing.T) {
|
|
l, _ := newTestListener(t)
|
|
defer l.Close()
|
|
|
|
db := openTestConn(t)
|
|
defer db.Close()
|
|
|
|
err := l.Listen("notify_listen_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = db.Exec("NOTIFY notify_listen_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = l.Unlisten("notify_listen_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = expectNotification(t, l.Notify, "notify_listen_test", "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = db.Exec("NOTIFY notify_listen_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = expectNoNotification(t, l.Notify)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestListenerUnlistenAll(t *testing.T) {
|
|
l, _ := newTestListener(t)
|
|
defer l.Close()
|
|
|
|
db := openTestConn(t)
|
|
defer db.Close()
|
|
|
|
err := l.Listen("notify_listen_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = db.Exec("NOTIFY notify_listen_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = l.UnlistenAll()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = expectNotification(t, l.Notify, "notify_listen_test", "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = db.Exec("NOTIFY notify_listen_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = expectNoNotification(t, l.Notify)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestListenerFailedQuery(t *testing.T) {
|
|
l, eventch := newTestListener(t)
|
|
defer l.Close()
|
|
|
|
db := openTestConn(t)
|
|
defer db.Close()
|
|
|
|
err := l.Listen("notify_listen_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = db.Exec("NOTIFY notify_listen_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = expectNotification(t, l.Notify, "notify_listen_test", "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// shouldn't cause a disconnect
|
|
ok, err := l.cn.ExecSimpleQuery("SELECT error")
|
|
if !ok {
|
|
t.Fatalf("could not send query to server: %v", err)
|
|
}
|
|
_, ok = err.(PGError)
|
|
if !ok {
|
|
t.Fatalf("unexpected error %v", err)
|
|
}
|
|
err = expectNoEvent(t, eventch)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// should still work
|
|
_, err = db.Exec("NOTIFY notify_listen_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = expectNotification(t, l.Notify, "notify_listen_test", "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestListenerReconnect(t *testing.T) {
|
|
l, eventch := newTestListenerTimeout(t, 20*time.Millisecond, time.Hour)
|
|
defer l.Close()
|
|
|
|
db := openTestConn(t)
|
|
defer db.Close()
|
|
|
|
err := l.Listen("notify_listen_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err = db.Exec("NOTIFY notify_listen_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = expectNotification(t, l.Notify, "notify_listen_test", "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// kill the connection and make sure it comes back up
|
|
ok, err := l.cn.ExecSimpleQuery("SELECT pg_terminate_backend(pg_backend_pid())")
|
|
if ok {
|
|
t.Fatalf("could not kill the connection: %v", err)
|
|
}
|
|
if err != io.EOF {
|
|
t.Fatalf("unexpected error %v", err)
|
|
}
|
|
err = expectEvent(t, eventch, ListenerEventDisconnected)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = expectEvent(t, eventch, ListenerEventReconnected)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// should still work
|
|
_, err = db.Exec("NOTIFY notify_listen_test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// should get nil after Reconnected
|
|
err = expectNotification(t, l.Notify, "", "")
|
|
if err != errNilNotification {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = expectNotification(t, l.Notify, "notify_listen_test", "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestListenerClose(t *testing.T) {
|
|
l, _ := newTestListenerTimeout(t, 20*time.Millisecond, time.Hour)
|
|
defer l.Close()
|
|
|
|
err := l.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = l.Close()
|
|
if err != errListenerClosed {
|
|
t.Fatalf("expected errListenerClosed; got %v", err)
|
|
}
|
|
}
|
|
|
|
func TestListenerPing(t *testing.T) {
|
|
l, _ := newTestListenerTimeout(t, 20*time.Millisecond, time.Hour)
|
|
defer l.Close()
|
|
|
|
err := l.Ping()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = l.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = l.Ping()
|
|
if err != errListenerClosed {
|
|
t.Fatalf("expected errListenerClosed; got %v", err)
|
|
}
|
|
}
|