public void EnsureThreadPoolInstanceIsTheOneRegisteredWithMetricsPublisherAndThreadPoolCache()
{
HystrixPlugins.RegisterMetricsPublisher(new MyHystrixMetricsPublisher());
IHystrixThreadPoolKey threadPoolKey = HystrixThreadPoolKeyDefault.AsKey("threadPoolFactoryConcurrencyTest");
IHystrixThreadPool poolOne = new HystrixThreadPoolDefault(
threadPoolKey, HystrixThreadPoolOptionsTest.GetUnitTestPropertiesBuilder());
IHystrixThreadPool poolTwo = new HystrixThreadPoolDefault(
threadPoolKey, HystrixThreadPoolOptionsTest.GetUnitTestPropertiesBuilder());
Assert.Equal(poolOne.GetScheduler(), poolTwo.GetScheduler()); // Now that we get the threadPool from the metrics object, this will always be equal
HystrixMetricsPublisherThreadPoolContainer hystrixMetricsPublisherThreadPool =
(HystrixMetricsPublisherThreadPoolContainer)HystrixMetricsPublisherFactory
.CreateOrRetrievePublisherForThreadPool(threadPoolKey, null, null);
IHystrixTaskScheduler threadPoolExecutor = hystrixMetricsPublisherThreadPool.HystrixThreadPoolMetrics.TaskScheduler;
// assert that both HystrixThreadPools share the same ThreadPoolExecutor as the one in HystrixMetricsPublisherThreadPool
Assert.True(threadPoolExecutor.Equals(poolOne.GetScheduler()) && threadPoolExecutor.Equals(poolTwo.GetScheduler()));
Assert.False(threadPoolExecutor.IsShutdown);
// Now the HystrixThreadPool ALWAYS has the same reference to the ThreadPoolExecutor so that it no longer matters which
// wins to be inserted into the HystrixThreadPool.Factory.threadPools cache.
poolOne.Dispose();
poolTwo.Dispose();
}
public override IHystrixThreadPoolOptions GetThreadPoolOptions(IHystrixThreadPoolKey threadPoolKey, IHystrixThreadPoolOptions builder)
{
if (builder == null)
{
builder = HystrixThreadPoolOptionsTest.GetUnitTestPropertiesBuilder();
}
return(builder);
}
public void TestShutdown()
{
// other unit tests will probably have run before this so get the count
int count = HystrixThreadPoolFactory.threadPools.Count;
IHystrixThreadPool pool = HystrixThreadPoolFactory.GetInstance(HystrixThreadPoolKeyDefault.AsKey("threadPoolFactoryTest"),
HystrixThreadPoolOptionsTest.GetUnitTestPropertiesBuilder());
Assert.Equal(count + 1, HystrixThreadPoolFactory.threadPools.Count);
Assert.False(pool.GetScheduler().IsShutdown);
HystrixThreadPoolFactory.Shutdown();
// ensure all pools were removed from the cache
Assert.Equal(0, HystrixThreadPoolFactory.threadPools.Count);
Assert.True(pool.GetScheduler().IsShutdown);
}
