public void StartExecution_WithInstance()
{
object instance = SL.CreateInstance(TestCommandKey);
Assert.AreEqual(CommandComponents.ConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
SL.StartExecution(instance);
Assert.AreEqual(CommandComponents.ConfigSet.CommandMaxConcurrentCount - 1, TestSemaphore.CurrentCount);
}
public void CreateInstance_Success()
{
Object instance = SL.CreateInstance(TestCommandKey);
Assert.IsInstanceOfType(instance, typeof(SL));
Assert.AreEqual(1, HystrixCommandBase.CommandComponentsCollection.Count);
Assert.AreEqual(1, HystrixCommandBase.ExecutionSemaphores.Count);
Assert.AreEqual(TestCommandKey, CommandComponents.CommandInfo.Key, true);
Assert.AreEqual(HystrixCommandBase.DefaultGroupKey, CommandComponents.CommandInfo.GroupKey, true);
Assert.AreEqual(CommandDomains.Default, CommandComponents.CommandInfo.Domain, true);
}
public void CreateInstance_Fail()
{
foreach (string key in EmptyStrings)
{
try
{
SL.CreateInstance(key);
}
catch (ArgumentNullException)
{
}
}
}
public void Execution_SimulateReal_WithInstance()
{
CountdownEvent waitHandle = new CountdownEvent(DefaultConfigSet.CommandMaxConcurrentCount);
for (int i = 0; i < DefaultConfigSet.CommandMaxConcurrentCount; i++)
{
Task.Factory.StartNew(
j =>
{
for (int k = 0; k < 10; k++)
{
object instance = SL.CreateInstance(TestCommandKey);
SL.StartExecution(instance);
Assert.AreNotEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
Thread.Sleep(1000);
int v = (int)j;
if (v % 3 == 0)
{
SL.MarkFailure(instance);
}
else if (v % 5 == 0)
{
SL.MarkBadRequest(instance);
}
else
{
SL.MarkSuccess(instance);
}
Assert.AreNotEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
SL.EndExecution(instance);
}
}, i)
.ContinueWith(
t =>
{
var ex = t.Exception;
waitHandle.Signal();
});
}
bool success = waitHandle.Wait(180 * 1000);
Assert.IsTrue(success);
Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
}
public void MarkBadRequest_WithInstance()
{
SL.Config(TestCommandKey, TestGroupKey, TestDomain);
CommandComponents.ConfigSet.InitTestHealthSnapshotInterval();
object instance = SL.CreateInstance(TestCommandKey);
Assert.AreEqual(CommandComponents.ConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
SL.StartExecution(instance);
Assert.AreEqual(CommandComponents.ConfigSet.CommandMaxConcurrentCount - 1, TestSemaphore.CurrentCount);
SL.MarkBadRequest(instance);
Assert.AreEqual(CommandComponents.ConfigSet.CommandMaxConcurrentCount - 1, TestSemaphore.CurrentCount);
ScenarioTestHelper.SleepHealthSnapshotInverval();
Dictionary <CommandExecutionEventEnum, int> counts = CommandComponents.Metrics.ToConcrete().GetExecutionEventDistribution();
Assert.AreEqual(1, counts[CommandExecutionEventEnum.BadRequest]);
SL.EndExecution(instance);
Assert.AreEqual(CommandComponents.ConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
}
public void Execution_ShortCircuited_AutoRecover_WithInstance()
{
SL.Config(TestCommandKey, TestGroupKey, TestDomain);
CommandComponents.ConfigSet.InitTestHealthSnapshotInterval();
for (int i = 0; i < DefaultConfigSet.CircuitBreakerRequestCountThreshold; i++)
{
Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
object instance = SL.CreateInstance(TestCommandKey);
ScenarioTestHelper.SleepHealthSnapshotInverval();
SL.StartExecution(instance);
Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount - 1, TestSemaphore.CurrentCount);
SL.MarkFailure(instance);
SL.EndExecution(instance);
Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
}
for (int i = 0; i < 10; i++)
{
try
{
Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
object instance = SL.CreateInstance(TestCommandKey);
ScenarioTestHelper.SleepHealthSnapshotInverval();
try
{
SL.StartExecution(instance);
Assert.Fail("Short circuited exception should be thrown before.");
}
catch (HystrixException)
{
Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
throw;
}
}
catch (HystrixException ex)
{
Assert.AreEqual(FailureTypeEnum.ShortCircuited, ex.FailureType);
}
}
Thread.Sleep(DefaultConfigSet.CircuitBreakerSleepWindowInMilliseconds + 10);
{
Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
object instance = SL.CreateInstance(TestCommandKey);
ScenarioTestHelper.SleepHealthSnapshotInverval();
SL.StartExecution(instance);
Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount - 1, TestSemaphore.CurrentCount);
SL.MarkFailure(instance);
SL.EndExecution(instance);
Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
}
for (int i = 0; i < 10; i++)
{
try
{
Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
object instance = SL.CreateInstance(TestCommandKey);
ScenarioTestHelper.SleepHealthSnapshotInverval();
try
{
SL.StartExecution(instance);
Assert.Fail("Short circuited exception should be thrown before.");
}
catch (HystrixException)
{
Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
throw;
}
}
catch (HystrixException ex)
{
Assert.AreEqual(FailureTypeEnum.ShortCircuited, ex.FailureType);
}
}
Thread.Sleep(DefaultConfigSet.CircuitBreakerSleepWindowInMilliseconds + 10);
for (int i = 0; i < 10; i++)
{
Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
object instance = SL.CreateInstance(TestCommandKey);
SL.StartExecution(instance);
Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount - 1, TestSemaphore.CurrentCount);
SL.MarkSuccess(instance);
SL.EndExecution(instance);
Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount);
}
}
