[NonParallelizable] // timing-sensitive
public async Task TestFailedAcquireReleasesWhatHasAlreadyBeenAcquired()
{
using var @event = new ManualResetEventSlim();
var failDatabase = CreateDatabaseMock();
MockDatabase(failDatabase, () => { @event.Wait(); return(false); });
this._provider.Strategy.DatabaseProvider.Databases = new[] { RedisServer.GetDefaultServer(0).Multiplexer.GetDatabase(), failDatabase.Object };
var @lock = this._provider.CreateLock("lock");
var acquireTask = @lock.TryAcquireAsync().AsTask();
Assert.IsFalse(acquireTask.Wait(TimeSpan.FromMilliseconds(50)));
@event.Set();
Assert.IsNull(await acquireTask);
this._provider.Strategy.DatabaseProvider.Databases = new[] { RedisServer.GetDefaultServer(0).Multiplexer.GetDatabase() };
var singleDatabaseLock = this._provider.CreateLock("lock");
using var handle = await singleDatabaseLock.TryAcquireAsync();
Assert.IsNotNull(handle);
}
public void TestAcquireWithLockPrefix()
{
this._provider.Strategy.DatabaseProvider.Databases = new[] { CreateDatabase(keyPrefix: "P") };
var implicitPrefixLock = this._provider.CreateLock("N");
this._provider.Strategy.DatabaseProvider.Databases = new[] { CreateDatabase() };
var noPrefixLock = this._provider.CreateLock("N");
var explicitPrefixLock = this._provider.CreateLock("PN");
using var implicitPrefixHandle = implicitPrefixLock.TryAcquire();
Assert.IsNotNull(implicitPrefixHandle);
using var noPrefixHandle = noPrefixLock.TryAcquire();
Assert.IsNotNull(noPrefixHandle);
using var explicitPrefixHandle = explicitPrefixLock.TryAcquire();
Assert.IsNull(explicitPrefixHandle);
IDatabase CreateDatabase(string?keyPrefix = null)
{
var database = RedisServer.GetDefaultServer(0).Multiplexer.GetDatabase();
return(keyPrefix is null ? database : database.WithKeyPrefix(keyPrefix));
}
}
static IDatabase CreateDatabase(string?keyPrefix = null)
{
var database = RedisServer.GetDefaultServer(0).Multiplexer.GetDatabase();
return(keyPrefix is null ? database : database.WithKeyPrefix(keyPrefix));
}
public TestingRedis2x1DatabaseProvider()
: base(Enumerable.Range(0, 2).Select(i => RedisServer.GetDefaultServer(i).Multiplexer.GetDatabase()).Append(DeadDatabase))
{
}
protected TestingRedisDatabaseProvider(int count)
: this(Enumerable.Range(0, count).Select(i => RedisServer.GetDefaultServer(i).Multiplexer.GetDatabase()))
{
}
public void OneTimeTearDown() => RedisServer.DisposeAll();
public TestingRedisWithKeyPrefixSingleDatabaseProvider()
: base(new[] { RedisServer.GetDefaultServer(0).Multiplexer.GetDatabase().WithKeyPrefix("distributed_locks:") })
{
}