public async Task GlobalLockActivatesOnceOnly()
{
var timeout = new CancellationTokenSource(1000).Token;
var identity = new ClusterIdentity {
Kind = "thing", Identity = NextId().ToString()
};
const int attempts = 10;
var locks = await Task.WhenAll(Enumerable.Range(1, attempts)
.Select(i => _storage.TryAcquireLock(identity, timeout))
);
var successFullLock = locks.Where(it => it != null).ToList();
successFullLock.Should().HaveCount(1);
successFullLock.Single() !.ClusterIdentity.Should().BeEquivalentTo(identity);
}
public async Task GlobalLockActivatesOnceOnlyAcrossMultipleClients()
{
var timeout = new CancellationTokenSource(1000).Token;
var identity = new ClusterIdentity {
Kind = "thing", Identity = "1234"
};
const int attempts = 10;
var locks = await Task.WhenAll(Enumerable.Range(1, attempts)
.SelectMany(_ => new[]
{
_storage.TryAcquireLock(identity, timeout),
_storageInstance2.TryAcquireLock(identity, timeout)
}
)
);
var successfulLock = locks.Where(it => it != null).ToList();
successfulLock.Should().HaveCount(1);
successfulLock.Single() !.ClusterIdentity.Should().BeEquivalentTo(identity);
}