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);
}
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);
}
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 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 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 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]);
}
}
