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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package db
import (
"context"
"errors"
"testing"
"time"
tlog "github.com/sirupsen/logrus/hooks/test"
)
func TestBackupMutex(t *testing.T) {
l, _ := tlog.NewNullLogger()
t.Run("success first time", func(t *testing.T) {
m := backupMutex{log: l, retryDuration: time.Millisecond, notifyDuration: 5 * time.Millisecond}
ctx, cancel := context.WithTimeout(context.Background(), 12*time.Millisecond)
defer cancel()
if err := m.LockWithContext(ctx); err != nil {
t.Errorf("error want:nil got:%v ", err)
}
})
t.Run("success after retry", func(t *testing.T) {
m := backupMutex{log: l, retryDuration: 2 * time.Millisecond, notifyDuration: 5 * time.Millisecond}
m.RLock()
go func() {
defer m.RUnlock()
time.Sleep(time.Millisecond * 15)
}()
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
if err := m.LockWithContext(ctx); err != nil {
t.Errorf("error want:nil got:%v ", err)
}
})
t.Run("cancelled context", func(t *testing.T) {
m := backupMutex{log: l, retryDuration: time.Millisecond, notifyDuration: 5 * time.Millisecond}
m.RLock()
defer m.RUnlock()
ctx, cancel := context.WithTimeout(context.Background(), 12*time.Millisecond)
defer cancel()
err := m.LockWithContext(ctx)
if !errors.Is(err, context.DeadlineExceeded) {
t.Errorf("error want:%v got:%v", err, context.DeadlineExceeded)
}
})
}
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