private async Task NestedTask(IDatabase db)
{
await Task.Yield();
using (var lestLock2 = RedisLock.Acquire(db, "test", TimeSpan.FromMilliseconds(10)))
Assert.NotNull(lestLock2);
}
public void AcquireFromMultipleThreads()
{
var db = RedisUtils.CreateClient();
var sync = new ManualResetEventSlim();
var thread1 = new Thread(state =>
{
using (var testLock1 = RedisLock.Acquire(db, "test", TimeSpan.FromMilliseconds(50)))
{
// ensure nested lock release doesn't release parent lock
using (var testLock2 = RedisLock.Acquire(db, "test", TimeSpan.FromMilliseconds(50)))
{ }
sync.Set();
Thread.Sleep(200);
}
});
var thread2 = new Thread(state =>
{
Assert.True(sync.Wait(1000));
Assert.Throws <DistributedLockTimeoutException>(() =>
{
using (var testLock2 = RedisLock.Acquire(db, "test", TimeSpan.FromMilliseconds(50)))
{ }
});
});
thread1.Start();
thread2.Start();
thread1.Join();
thread2.Join();
}
public void AcquireInSequence()
{
var db = RedisUtils.CreateClient();
using (var testLock = RedisLock.Acquire(db, "testLock", TimeSpan.FromMilliseconds(1)))
Assert.NotNull(testLock);
using (var testLock = RedisLock.Acquire(db, "testLock", TimeSpan.FromMilliseconds(1)))
Assert.NotNull(testLock);
}
public async Task AcquireFromNestedTask()
{
var db = RedisUtils.CreateClient();
using (var lock1 = RedisLock.Acquire(db, "test", TimeSpan.FromMilliseconds(50)))
{
Assert.NotNull(lock1);
await Task.Delay(100);
await Task.Run(() => NestedTask(db));
}
}
public void AcquireNested()
{
var db = RedisUtils.CreateClient();
using (var testLock1 = RedisLock.Acquire(db, "testLock", TimeSpan.FromMilliseconds(100)))
{
Assert.NotNull(testLock1);
using (var testLock2 = RedisLock.Acquire(db, "testLock", TimeSpan.FromMilliseconds(100)))
{
Assert.NotNull(testLock2);
}
}
}
public void SlidingExpirationTest()
{
var db = RedisUtils.CreateClient();
var sync1 = new ManualResetEventSlim();
var sync2 = new ManualResetEventSlim();
var thread1 = new Thread(state =>
{
using (var testLock1 = RedisLock.Acquire(db, "testLock", TimeSpan.FromMilliseconds(100), TimeSpan.FromMilliseconds(110)))
{
Assert.NotNull(testLock1);
// sleep a bit more than holdDuration
Thread.Sleep(250);
sync1.Set();
sync2.Wait();
}
});
var thread2 = new Thread(state =>
{
Assert.True(sync1.Wait(1000));
Assert.Throws <DistributedLockTimeoutException>(() =>
{
using (var testLock2 = RedisLock.Acquire(db, "testLock", TimeSpan.FromMilliseconds(100)))
{ }
});
});
thread1.Start();
thread2.Start();
thread2.Join();
sync2.Set();
thread1.Join();
}