public void CustomBadRequestNotCauseCircuitBreakerOpen_CheckerThrowException()
{
HystrixCommandBase.RegisterCustomBadRequestExceptionChecker(WithExceptionCheckerName, IsBadRequestExceptionWithException);
CommandComponents.ConfigSet.CircuitBreakerRequestCountThreshold = 2;
int circuitBreakerCount = 0;
for (int i = 0; i < 100; i++)
{
SampleIsolationCommand command = new SampleIsolationCommand(
TestCommandKey,
execute: () => { throw new ArgumentOutOfRangeException(); });
try
{
command.Run();
}
catch (ArgumentOutOfRangeException)
{
}
catch (HystrixException)
{
}
ScenarioTestHelper.SleepHealthSnapshotInverval();
Dictionary <CommandExecutionEventEnum, int> counts = CommandComponents.Metrics.ToConcrete().GetExecutionEventDistribution();
circuitBreakerCount += counts[CommandExecutionEventEnum.ShortCircuited];
}
Assert.AreNotEqual(0, circuitBreakerCount);
}
public void CircuitBreakerForceClosedIsFalseWithoutFallback()
{
CommandComponents.ConfigSet.ToConcrete().CircuitBreakerForceClosed = false;
string expected = string.Empty;
for (int i = 0; i < CommandComponents.ConfigSet.CircuitBreakerRequestCountThreshold; i++)
{
try
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); });
Assert.Fail("Execution should throw exception.");
}
catch (ScenarioTestException)
{
}
}
try
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); });
Assert.Fail("Execution should throw exception.");
}
catch (HystrixException ex)
{
Assert.AreEqual(FailureTypeEnum.ShortCircuited, ex.FailureType);
}
}
private void RunToSuccessNormally()
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
string actual = HystrixCommandBase.RunCommand <string>(TestCommandKey, () => Expected);
Assert.AreEqual(Expected, actual);
}
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);
}
}
private void TestErrorPercentageThresholdSetting100()
{
CommandComponents.ConfigSet.CircuitBreakerErrorThresholdPercentage = 100;
for (int i = 0; i < 100; i++)
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
try
{
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); });
Assert.Fail("Execution should throw exception.");
}
catch (ScenarioTestException)
{
if (i >= CommandComponents.ConfigSet.CircuitBreakerRequestCountThreshold)
{
Assert.Fail("Execution should throw HystrixException.");
}
}
catch (HystrixException ex)
{
if (i < CommandComponents.ConfigSet.CircuitBreakerRequestCountThreshold)
{
Assert.Fail("Execution should throw ScenarioTestException.");
}
Assert.AreEqual(FailureTypeEnum.ShortCircuited, ex.FailureType);
}
}
}
public void CircuitBreakerForceClosedIsTrueWithoutFallback()
{
CommandComponents.ConfigSet.ToConcrete().CircuitBreakerForceClosed = true;
for (int i = 0; i < CommandComponents.ConfigSet.CircuitBreakerRequestCountThreshold; i++)
{
try
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); });
Assert.Fail("Execution should throw exception.");
}
catch (ScenarioTestException)
{
}
}
try
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); });
Assert.Fail("Execution should throw exception.");
}
catch (ScenarioTestException)
{
}
}
private void TestRequestCountThresholdSetting(int?setting = null)
{
if (setting.HasValue)
{
CommandComponents.ConfigSet.CircuitBreakerRequestCountThreshold = setting.Value;
}
else
{
setting = CommandComponents.ConfigSet.CircuitBreakerRequestCountThreshold;
}
for (int i = 0; i < setting.Value; i++)
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
try
{
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); });
Assert.Fail("Execution should throw exception.");
}
catch (ScenarioTestException)
{
}
}
ScenarioTestHelper.SleepHealthSnapshotInverval();
try
{
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); });
Assert.Fail("Execution should throw exception.");
}
catch (HystrixException)
{
}
}
private void RunToTimeoutNormally()
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
string actual = HystrixCommandBase.RunCommand <string>(TestCommandKey, ExecuteTimeout);
Assert.AreEqual(Expected, actual);
}
private void RunToSuccessNormallyFromConcreteClass()
{
SampleIsolationCommand command = new SampleIsolationCommand(TestCommandKey, execute: () => Expected);
ScenarioTestHelper.SleepHealthSnapshotInverval();
string actual = command.Run();
Assert.AreEqual(Expected, actual);
}
private void RunToTimeoutNormallyFromConcreteClass()
{
SampleIsolationCommand command = new SampleIsolationCommand(TestCommandKey, expectedResult: Expected,
sleepTimeInMilliseconds: TimeoutInMilliseconds + 2);
ScenarioTestHelper.SleepHealthSnapshotInverval();
string actual = command.Run();
Assert.AreEqual(Expected, actual);
}
public void CircuitBreakerOpenCausedByTimeout()
{
int timeoutInMilliseconds = 10;
CommandComponents.ConfigSet.CommandTimeoutInMilliseconds = timeoutInMilliseconds;
string expected = string.Empty;
string actual;
Func <string> execute = () =>
{
Thread.Sleep(timeoutInMilliseconds + 2);
return(expected);
};
for (int i = 0; i < CommandComponents.ConfigSet.CircuitBreakerRequestCountThreshold; i++)
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
actual = HystrixCommandBase.RunCommand <string>(TestCommandKey, execute);
Assert.AreEqual(expected, actual);
}
for (int i = 0; i < 10; i++)
{
try
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
HystrixCommandBase.RunCommand <string>(TestCommandKey, execute);
var snapshot = CommandComponents.Metrics.GetExecutionEventDistribution();
Assert.Fail("Execution should throw exception.");
}
catch (HystrixException ex)
{
Assert.AreEqual(FailureTypeEnum.ShortCircuited, ex.FailureType);
}
}
Thread.Sleep(CommandComponents.ConfigSet.CircuitBreakerSleepWindowInMilliseconds + 1);
actual = HystrixCommandBase.RunCommand <string>(TestCommandKey, execute);
Assert.AreEqual(expected, actual);
try
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
HystrixCommandBase.RunCommand <string>(TestCommandKey, execute);
Assert.Fail("Execution should throw exception.");
}
catch (HystrixException ex)
{
Assert.AreEqual(FailureTypeEnum.ShortCircuited, ex.FailureType);
}
Thread.Sleep(CommandComponents.ConfigSet.CircuitBreakerSleepWindowInMilliseconds + 1);
actual = HystrixCommandBase.RunCommand <string>(TestCommandKey, () => expected);
Assert.AreEqual(expected, actual);
}
private void RunToExceptionNormally()
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
try
{
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); });
Assert.Fail("Execution should throw exception.");
}
catch (ScenarioTestException)
{
}
}
private void RunToTimeoutShortCircuited()
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
try
{
HystrixCommandBase.RunCommand <string>(TestCommandKey, ExecuteTimeout);
}
catch (HystrixException ex)
{
Assert.AreEqual(FailureTypeEnum.ShortCircuited, ex.FailureType);
}
}
private void RunToExceptionShortCircuited()
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
try
{
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); });
Assert.Fail("Execution should throw exception.");
}
catch (HystrixException ex)
{
Assert.AreEqual(FailureTypeEnum.ShortCircuited, ex.FailureType);
}
}
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 void TestErrorPercentageThresholdSetting(int?setting = null)
{
if (setting.HasValue)
{
CommandComponents.ConfigSet.CircuitBreakerErrorThresholdPercentage = setting.Value;
}
else
{
setting = CommandComponents.ConfigSet.CircuitBreakerErrorThresholdPercentage;
}
if (setting.Value == 100)
{
TestErrorPercentageThresholdSetting100();
return;
}
int errorCount = setting.Value;
int successCount = 100 - errorCount;
for (int i = 0; i < successCount; i++)
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => null);
}
for (int i = 0; i < errorCount; i++)
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
try
{
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); });
Assert.Fail("Execution should throw exception.");
}
catch (ScenarioTestException)
{
}
}
ScenarioTestHelper.SleepHealthSnapshotInverval();
try
{
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => null);
Assert.Fail("Execution should throw exception.");
}
catch (HystrixException ex)
{
Assert.AreEqual(FailureTypeEnum.ShortCircuited, ex.FailureType);
}
}
private void RunToExceptionNormallyFromConcreteClass()
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
try
{
SampleIsolationCommand command = new SampleIsolationCommand(TestCommandKey, execute: () => { throw new ScenarioTestException(); });
ScenarioTestHelper.SleepHealthSnapshotInverval();
command.Run();
Assert.Fail("Execution should throw exception.");
}
catch (ScenarioTestException)
{
}
}
private void RunToTimeoutShortCircuitedFromConcreteClass()
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
try
{
SampleIsolationCommand command = new SampleIsolationCommand(TestCommandKey, sleepTimeInMilliseconds: TimeoutInMilliseconds + 2);
ScenarioTestHelper.SleepHealthSnapshotInverval();
command.Run();
Assert.Fail("Execution should throw exception.");
}
catch (HystrixException ex)
{
Assert.AreEqual(FailureTypeEnum.ShortCircuited, ex.FailureType);
}
}
private void RunToBadRequestExceptionShortCircuitedFromConcreteClass()
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
try
{
SampleIsolationCommand command = new SampleIsolationCommand(TestCommandKey, execute: () => { throw new BadRequestException(); });
ScenarioTestHelper.SleepHealthSnapshotInverval();
command.Run();
Assert.Fail("Execution should throw exception.");
}
catch (HystrixException ex)
{
Assert.AreEqual(FailureTypeEnum.ShortCircuited, ex.FailureType);
}
}
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 CircuitBreakerForceClosedIsFalseWithFallback()
{
CommandComponents.ConfigSet.ToConcrete().CircuitBreakerForceClosed = false;
string fallback = null;
string actual;
for (int i = 0; i < CommandComponents.ConfigSet.CircuitBreakerRequestCountThreshold; i++)
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
actual = HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); }, () => fallback);
Assert.AreEqual(fallback, actual);
}
ScenarioTestHelper.SleepHealthSnapshotInverval();
actual = HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); }, () => fallback);
Assert.AreEqual(fallback, actual);
}
public void BadRequestRecordBadRequestMetrics()
{
for (int i = 1; i <= 3; i++)
{
SampleIsolationCommand command = new SampleIsolationCommand(TestCommandKey, execute: () => { throw new BadRequestException(); });
try
{
command.Run();
}
catch (Exception ex)
{
Assert.IsInstanceOfType(ex, typeof(BadRequestException));
}
ScenarioTestHelper.SleepHealthSnapshotInverval();
Dictionary <CommandExecutionEventEnum, int> counts = CommandComponents.Metrics.ToConcrete().GetExecutionEventDistribution();
Assert.AreEqual(i, counts[CommandExecutionEventEnum.BadRequest]);
}
}
public void CircuitBreakerEnabledSettingIsFalse()
{
CommandComponents.ConfigSet.ToConcrete().CircuitBreakerEnabled = false;
for (int i = 0; i < CommandComponents.ConfigSet.CircuitBreakerRequestCountThreshold * 3; i++)
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
Assert.AreEqual(false, CommandComponents.CircuitBreaker.IsOpen());
Assert.AreEqual(true, CommandComponents.CircuitBreaker.AllowRequest());
try
{
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); });
Assert.Fail("Execution should throw exception.");
}
catch (ScenarioTestException)
{
}
}
}
public void CustomBadRequestRecordBadRequestMetrics()
{
HystrixCommandBase.RegisterCustomBadRequestExceptionChecker(NormalCheckerName, IsBadRequestException);
for (int i = 1; i <= 3; i++)
{
SampleIsolationCommand command = new SampleIsolationCommand(TestCommandKey, execute: () => { throw new ArgumentOutOfRangeException(); });
try
{
command.Run();
}
catch (Exception ex)
{
Assert.IsInstanceOfType(ex, typeof(ArgumentOutOfRangeException));
}
ScenarioTestHelper.SleepHealthSnapshotInverval();
Dictionary <CommandExecutionEventEnum, int> counts = CommandComponents.Metrics.ToConcrete().GetExecutionEventDistribution();
Assert.AreEqual(i, counts[CommandExecutionEventEnum.BadRequest]);
}
}
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 BadRequestNotCauseCircuitBreakerOpen()
{
CommandComponents.ConfigSet.CircuitBreakerRequestCountThreshold = 2;
for (int i = 0; i < 100; i++)
{
SampleIsolationCommand command = new SampleIsolationCommand(
TestCommandKey,
execute: () => { throw new BadRequestException(); });
try
{
command.Run();
}
catch (Exception ex)
{
Assert.IsInstanceOfType(ex, typeof(BadRequestException));
}
ScenarioTestHelper.SleepHealthSnapshotInverval();
Dictionary <CommandExecutionEventEnum, int> counts = CommandComponents.Metrics.ToConcrete().GetExecutionEventDistribution();
Assert.AreEqual(0, counts[CommandExecutionEventEnum.ShortCircuited]);
}
}
private void TestSleepWindowSetting(int?setting = null, bool autoTestSuccess = true)
{
if (setting.HasValue)
{
CommandComponents.ConfigSet.ToConcrete().CircuitBreakerSleepWindowInMilliseconds = setting.Value;
}
else
{
setting = CommandComponents.ConfigSet.CircuitBreakerSleepWindowInMilliseconds;
}
int errorCount = CommandComponents.ConfigSet.CircuitBreakerErrorThresholdPercentage;
int successCount = 100 - errorCount;
for (int i = 0; i < successCount; i++)
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => null);
}
for (int i = 0; i < errorCount; i++)
{
ScenarioTestHelper.SleepHealthSnapshotInverval();
try
{
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); });
Assert.Fail("Execution should throw exception.");
}
catch (ScenarioTestException)
{
}
}
ScenarioTestHelper.SleepHealthSnapshotInverval();
try
{
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => null);
Assert.Fail("Execution should throw exception.");
}
catch (HystrixException ex)
{
Assert.AreEqual(FailureTypeEnum.ShortCircuited, ex.FailureType);
}
Thread.Sleep(CommandComponents.ConfigSet.CircuitBreakerSleepWindowInMilliseconds + 1);
if (autoTestSuccess)
{
string result = HystrixCommandBase.RunCommand <string>(TestCommandKey, () => null);
Assert.AreEqual(null, result);
return;
}
try
{
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); });
Assert.Fail("Execution should throw exception.");
}
catch (ScenarioTestException)
{
}
try
{
HystrixCommandBase.RunCommand <string>(TestCommandKey, () => { throw new ScenarioTestException(); });
Assert.Fail("Execution should throw exception.");
}
catch (HystrixException ex)
{
Assert.AreEqual(FailureTypeEnum.ShortCircuited, ex.FailureType);
}
}
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);
}
}