nextcloud-spreed-signaling/async/deferred_executor_test.go

134 lines
2.9 KiB
Go

/**
* Standalone signaling server for the Nextcloud Spreed app.
* Copyright (C) 2020 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 async
import (
"testing"
"testing/synctest"
"time"
"github.com/stretchr/testify/assert"
logtest "github.com/strukturag/nextcloud-spreed-signaling/v2/log/test"
)
func TestDeferredExecutor_MultiClose(t *testing.T) {
t.Parallel()
logger := logtest.NewLoggerForTest(t)
e := NewDeferredExecutor(logger, 0)
defer e.waitForStop()
e.Close()
e.Close()
}
func TestDeferredExecutor_QueueSize(t *testing.T) {
t.Parallel()
synctest.Test(t, func(t *testing.T) {
logger := logtest.NewLoggerForTest(t)
e := NewDeferredExecutor(logger, 0)
defer e.waitForStop()
defer e.Close()
delay := 100 * time.Millisecond
e.Execute(func() {
time.Sleep(delay)
})
// The queue will block until the first command finishes.
a := time.Now()
e.Execute(func() {
time.Sleep(time.Millisecond)
})
b := time.Now()
delta := b.Sub(a)
assert.Equal(t, delay, delta)
})
}
func TestDeferredExecutor_Order(t *testing.T) {
t.Parallel()
logger := logtest.NewLoggerForTest(t)
e := NewDeferredExecutor(logger, 64)
defer e.waitForStop()
defer e.Close()
var entries []int
getFunc := func(x int) func() {
return func() {
entries = append(entries, x)
}
}
done := make(chan struct{})
for x := range 10 {
e.Execute(getFunc(x))
}
e.Execute(func() {
close(done)
})
<-done
for x := range 10 {
assert.Equal(t, entries[x], x, "Unexpected at position %d", x)
}
}
func TestDeferredExecutor_CloseFromFunc(t *testing.T) {
t.Parallel()
logger := logtest.NewLoggerForTest(t)
e := NewDeferredExecutor(logger, 64)
defer e.waitForStop()
done := make(chan struct{})
e.Execute(func() {
defer close(done)
e.Close()
})
<-done
}
func TestDeferredExecutor_DeferAfterClose(t *testing.T) {
t.Parallel()
logger := logtest.NewLoggerForTest(t)
e := NewDeferredExecutor(logger, 64)
defer e.waitForStop()
e.Close()
e.Execute(func() {
assert.Fail(t, "method should not have been called")
})
}
func TestDeferredExecutor_WaitForStopTwice(t *testing.T) {
t.Parallel()
logger := logtest.NewLoggerForTest(t)
e := NewDeferredExecutor(logger, 64)
defer e.waitForStop()
e.Close()
e.waitForStop()
}