nextcloud-spreed-signaling/testutils_test.go

58 lines
1.7 KiB
Go

/**
* Standalone signaling server for the Nextcloud Spreed app.
* Copyright (C) 2021 struktur AG
*
* @author Joachim Bauch <bauch@struktur.de>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package signaling
import (
"os"
"runtime/pprof"
"testing"
"time"
)
func ensureNoGoroutinesLeak(t *testing.T, f func()) {
// Give time for things to settle before capturing the number of
// go routines
time.Sleep(500 * time.Millisecond)
before := pprof.Lookup("goroutine")
f()
var after *pprof.Profile
// Give time for things to settle before capturing the number of
// go routines
timeout := time.Now().Add(time.Second)
for time.Now().Before(timeout) {
after = pprof.Lookup("goroutine")
if after.Count() == before.Count() {
break
}
}
if after.Count() != before.Count() {
os.Stderr.WriteString("Before:\n")
before.WriteTo(os.Stderr, 1) // nolint
os.Stderr.WriteString("After:\n")
after.WriteTo(os.Stderr, 1) // nolint
t.Fatalf("Number of Go routines has changed in %s", t.Name())
}
}