public void Execution_Success() { SL.Config(TestCommandKey, TestGroupKey, TestDomain); for (int i = 0; i < DefaultConfigSet.CircuitBreakerRequestCountThreshold * 2; i++) { Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); using (SL instance = new SL(TestCommandKey, TestGroupKey, TestDomain)) { instance.StartExecution(); Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount - 1, TestSemaphore.CurrentCount); instance.MarkSuccess(); } Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); } CommandComponents.ConfigSet.InitTestHealthSnapshotInterval(); for (int i = 0; i < DefaultConfigSet.CircuitBreakerRequestCountThreshold * 2; i++) { Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); using (SL instance = new SL(TestCommandKey, TestGroupKey, TestDomain)) { ScenarioTestHelper.SleepHealthSnapshotInverval(); instance.StartExecution(); Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount - 1, TestSemaphore.CurrentCount); instance.MarkSuccess(); } Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); } }
public void EndExecution_ForNotStartedExecution() { SL instance = new SL(TestCommandKey, TestGroupKey, TestDomain); Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); instance.EndExecution(); Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); instance.EndExecution(); Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); instance.StartExecution(); Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount - 1, TestSemaphore.CurrentCount); instance.EndExecution(); Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); instance.EndExecution(); Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); using (instance = new SL(TestCommandKey)) { instance.StartExecution(); Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount - 1, TestSemaphore.CurrentCount); } Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); instance.EndExecution(); Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); }
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 Config_Key_Group_Config() { SL.Config(TestCommandKey, TestGroupKey, configSet => ScenarioTestHelper.SetCommandConfigFrom(configSet, CustomConfigSet)); Assert.AreEqual(TestCommandKey, CommandComponents.CommandInfo.Key, true); Assert.AreEqual(TestGroupKey, CommandComponents.CommandInfo.GroupKey, true); Assert.AreEqual(CommandDomains.Default, CommandComponents.CommandInfo.Domain, true); Assert.IsTrue(ScenarioTestHelper.AreEqual(CustomConfigSet, CommandComponents.ConfigSet)); }
public void Config_Key_Group_Domain_MaxConcurrentCount() { SL.Config(TestCommandKey, TestGroupKey, TestDomain, CustomConfigSet.CommandMaxConcurrentCount); Assert.AreEqual(TestCommandKey, CommandComponents.CommandInfo.Key, true); Assert.AreEqual(TestGroupKey, CommandComponents.CommandInfo.GroupKey, true); Assert.AreEqual(TestDomain, CommandComponents.CommandInfo.Domain, true); Assert.AreEqual(CustomConfigSet.CommandMaxConcurrentCount, CommandComponents.ConfigSet.CommandMaxConcurrentCount); }
public void Config_Key_Group_Domain_Config_Default() { SL.Config(TestCommandKey, null, null, config => {}); Assert.AreEqual(TestCommandKey, CommandComponents.CommandInfo.Key, true); Assert.AreEqual(HystrixCommandBase.DefaultGroupKey, CommandComponents.CommandInfo.GroupKey, true); Assert.AreEqual(CommandDomains.Default, CommandComponents.CommandInfo.Domain, true); Assert.IsTrue(ScenarioTestHelper.AreEqual(DefaultConfigSet, CommandComponents.ConfigSet)); }
public void Config_Key_Group_Domain() { SL.Config(TestCommandKey, TestGroupKey, TestDomain); Assert.AreEqual(TestCommandKey, CommandComponents.CommandInfo.Key, true); Assert.AreEqual(TestGroupKey, CommandComponents.CommandInfo.GroupKey, true); Assert.AreEqual(TestDomain, CommandComponents.CommandInfo.Domain, true); Assert.IsTrue(ScenarioTestHelper.AreEqual(DefaultConfigSet, CommandComponents.ConfigSet)); }
public void SemaphoreIsolation_Key_GroupKey_Domain() { SL instance = new SL(TestCommandKey, TestGroupKey, TestDomain); Assert.AreEqual(TestCommandKey, CommandComponents.CommandInfo.Key, true); Assert.AreEqual(TestGroupKey, CommandComponents.CommandInfo.GroupKey, true); Assert.AreEqual(TestDomain, CommandComponents.CommandInfo.Domain, true); Assert.IsTrue(ScenarioTestHelper.AreEqual(DefaultConfigSet, CommandComponents.ConfigSet)); }
public void SemaphoreIsolation_Key() { SL instance = new SL(TestCommandKey); Assert.AreEqual(TestCommandKey, CommandComponents.CommandInfo.Key, true); Assert.AreEqual(HystrixCommandBase.DefaultGroupKey, CommandComponents.CommandInfo.GroupKey, true); Assert.AreEqual(CommandDomains.Default, CommandComponents.CommandInfo.Domain, true); Assert.IsTrue(ScenarioTestHelper.AreEqual(DefaultConfigSet, CommandComponents.ConfigSet)); }
public void StartExecution_RestartFailedSilently() { SL instance = new SL(TestCommandKey, TestGroupKey, TestDomain); instance.StartExecution(); Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount - 1, TestSemaphore.CurrentCount); instance.StartExecution(); Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount - 1, TestSemaphore.CurrentCount); }
public void SemaphoreIsolation_Key_GroupKey_Domain_Config() { SL instance = new SL(TestCommandKey, TestGroupKey, TestDomain, configSet => ScenarioTestHelper.SetCommandConfigFrom(configSet, CustomConfigSet)); Assert.AreEqual(TestCommandKey, CommandComponents.CommandInfo.Key, true); Assert.AreEqual(TestGroupKey, CommandComponents.CommandInfo.GroupKey, true); Assert.AreEqual(TestDomain, CommandComponents.CommandInfo.Domain, true); Assert.IsTrue(ScenarioTestHelper.AreEqual(CustomConfigSet, CommandComponents.ConfigSet)); }
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_ShortCircuited_ByFailureAndTimeout() { SL.Config(TestCommandKey, TestGroupKey, TestDomain); CommandComponents.ConfigSet.InitTestHealthSnapshotInterval(); CommandComponents.ConfigSet.CommandTimeoutInMilliseconds = TimeoutInMilliseconds; for (int i = 0; i < DefaultConfigSet.CircuitBreakerRequestCountThreshold; i++) { Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); using (SL instance = new SL(TestCommandKey)) { ScenarioTestHelper.SleepHealthSnapshotInverval(); instance.StartExecution(); Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount - 1, TestSemaphore.CurrentCount); if (i % 2 == 0) { if (i % 4 == 0) { instance.MarkFailure(); continue; } Thread.Sleep(TimeoutInMilliseconds + 2); } instance.MarkSuccess(); } Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); } try { Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); using (SL instance = new SL(TestCommandKey)) { ScenarioTestHelper.SleepHealthSnapshotInverval(); try { instance.StartExecution(); Assert.Fail("Short circuited exception should be thrown before."); } finally { Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); } } } catch (HystrixException ex) { Assert.AreEqual(FailureTypeEnum.ShortCircuited, ex.FailureType); } }
private static SemaphoreIsolation ConvertInstance(object instance) { if (instance == null) { throw new ArgumentNullException("instance"); } SemaphoreIsolation isolation = instance as SemaphoreIsolation; if (isolation == null) { throw new ArgumentException("instance should be of type SemaphoreIsolation!"); } return(isolation); }
public void Config_EmptyKey() { foreach (string key in EmptyStrings) { try { SL.Config(key, null, null, config => { }); Assert.Fail("Empty key should cause ArgumentNullException"); } catch (ArgumentNullException) { } } }
public void Config_Key_Group_Domain_MaxConcurrentCount_Timeout_RequestCountThreshold_ErrorThresholdPercentage_FallbackMaxConcurrentCount() { SL.Config(TestCommandKey, TestGroupKey, TestDomain, CustomConfigSet.CommandMaxConcurrentCount, CustomConfigSet.CommandTimeoutInMilliseconds, CustomConfigSet.CircuitBreakerRequestCountThreshold, CustomConfigSet.CircuitBreakerErrorThresholdPercentage, CustomConfigSet.FallbackMaxConcurrentCount); Assert.AreEqual(TestGroupKey, CommandComponents.CommandInfo.GroupKey, true); Assert.AreEqual(TestDomain, CommandComponents.CommandInfo.Domain, true); Assert.IsFalse(ScenarioTestHelper.AreEqual(CustomConfigSet, CommandComponents.ConfigSet)); Assert.AreEqual(CustomConfigSet.CommandMaxConcurrentCount, CommandComponents.ConfigSet.CommandMaxConcurrentCount); Assert.AreEqual(CustomConfigSet.CommandTimeoutInMilliseconds, CommandComponents.ConfigSet.CommandTimeoutInMilliseconds); Assert.AreEqual(CustomConfigSet.CircuitBreakerRequestCountThreshold, CommandComponents.ConfigSet.CircuitBreakerRequestCountThreshold); Assert.AreEqual(CustomConfigSet.CircuitBreakerErrorThresholdPercentage, CommandComponents.ConfigSet.CircuitBreakerErrorThresholdPercentage); Assert.AreEqual(CustomConfigSet.FallbackMaxConcurrentCount, CommandComponents.ConfigSet.FallbackMaxConcurrentCount); }
public void MarkBadRequest_RunOnce() { SL.Config(TestCommandKey, TestGroupKey, TestDomain); CommandComponents.ConfigSet.InitTestHealthSnapshotInterval(); for (int i = 1; i <= DefaultConfigSet.CircuitBreakerRequestCountThreshold; i++) { using (SL instance = new SL(TestCommandKey)) { instance.StartExecution(); instance.MarkBadRequest(); ScenarioTestHelper.SleepHealthSnapshotInverval(); Dictionary <CommandExecutionEventEnum, int> counts = CommandComponents.Metrics.ToConcrete().GetExecutionEventDistribution(); Assert.AreEqual(i, counts[CommandExecutionEventEnum.BadRequest]); } } }
public void Execution_SimulateReal() { 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++) { using (SL instance = new SL(TestCommandKey)) { instance.StartExecution(); Assert.AreNotEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); Thread.Sleep(1000); int v = (int)j; if (v % 3 == 0) { instance.MarkFailure(); } else if (v % 5 == 0) { instance.MarkBadRequest(); } else { instance.MarkSuccess(); } Assert.AreNotEqual(DefaultConfigSet.CommandMaxConcurrentCount, TestSemaphore.CurrentCount); } } }, 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 StartExecution_Rejected() { for (int i = 1; i <= DefaultConfigSet.CommandMaxConcurrentCount; i++) { SL instance = new SL(TestCommandKey, TestGroupKey, TestDomain); instance.StartExecution(); Assert.AreEqual(DefaultConfigSet.CommandMaxConcurrentCount - i, TestSemaphore.CurrentCount); } try { SL instance = new SL(TestCommandKey, TestGroupKey, TestDomain); instance.StartExecution(); Assert.Fail("Execution should be rejected here."); } catch (HystrixException ex) { Assert.AreEqual(FailureTypeEnum.SemaphoreIsolationRejected, ex.FailureType); } }
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); }
/// <summary> /// Release the occupied semaphore /// </summary> public static void EndExecution(object instance) { SemaphoreIsolation isolationInstance = ConvertInstance(instance); isolationInstance.EndExecution(); }
public static void MarkBadRequest(object instance) { SemaphoreIsolation isolationInstance = ConvertInstance(instance); isolationInstance.MarkBadRequest(); }
public static void MarkFailure(object instance) { SemaphoreIsolation isolationInstance = ConvertInstance(instance); isolationInstance.MarkFailure(); }
public static void MarkSuccess(object instance) { SemaphoreIsolation isolationInstance = ConvertInstance(instance); isolationInstance.MarkSuccess(); }
public void MarkSuccess_WithEmptyInstance() { SL.MarkSuccess(null); }
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); } }
public void EndExecution_WithEmptyInstance() { SL.EndExecution(null); }
public void MarkBadRequest_WithEmptyInstance() { SL.MarkBadRequest(null); }
public void MarkFailure_WithEmptyInstance() { SL.MarkFailure(null); }