public async Task SessionCreateIsThrottled()
{
using (var pool = new SessionPool())
{
pool.Options.MaximumConcurrentSessionCreates = 2;
// We use a specially designed mock that records simultaneous create calls.
// Moq actually does internal synchronization that disallows parallel calls.
var mockClient = new ParallelSpannerClient();
var sessionList = Enumerable.Range(0, 100)
.Select(x => CreateSessionAsync(pool, mockClient))
.ToList();
await Task.WhenAll(sessionList);
Assert.True(mockClient.MaxConcurrentRequests <= pool.Options.MaximumConcurrentSessionCreates);
}
}
public async Task SessionCreateIsThrottled()
{
using (var pool = new SessionPool())
{
pool.Options.MaximumConcurrentSessionCreates = 2;
//we use a specially designed mock that records simultaneous create calls.
//Moq actually does internal synchronization that disallows parallel calls.
var mockClient = new ParallelSpannerClient();
var sessionList = Enumerable.Range(0, 100).Select(
x => pool.CreateSessionFromPoolAsync(
mockClient, s_defaultName.ProjectId,
s_defaultName.InstanceId, s_defaultName.DatabaseId, null, CancellationToken.None)).ToList();
await Task.WhenAll(sessionList).ConfigureAwait(false);
Assert.True(mockClient.MaxConcurrentRequests <= pool.Options.MaximumConcurrentSessionCreates);
}
}
