public void IsBadRequestException_NonCustomBadRequestException()
{
HystrixCommandBase.RegisterCustomBadRequestExceptionChecker("custom", ex => ex is IndexOutOfRangeException);
Exception ex2 = new Exception();
Assert.IsFalse(ex2.IsBadRequestException());
}
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 RegisterCustomBadRequestExceptionChecker_MultiAddWithSameNameOnlyUseTheFirstAddAndIngoreTheLatters()
{
HystrixCommandBase.RegisterCustomBadRequestExceptionChecker(NormalCheckerName, IsBadRequestException);
HystrixCommandBase.RegisterCustomBadRequestExceptionChecker(NormalCheckerName, IsBadRequestExceptionWithException);
Assert.AreNotEqual(IsBadRequestException, IsBadRequestExceptionWithException);
Assert.AreEqual(IsBadRequestException, CustomBadRequestExceptionChecker.BadRequestExceptionCheckers[NormalCheckerName]);
Assert.AreNotEqual(IsBadRequestExceptionWithException, CustomBadRequestExceptionChecker.BadRequestExceptionCheckers[NormalCheckerName]);
}
public void RegisterCustomBadRequestExceptionChecker_IgnoreNameCase()
{
HystrixCommandBase.RegisterCustomBadRequestExceptionChecker(NormalCheckerName, IsBadRequestException);
Assert.AreEqual(1, CustomBadRequestExceptionChecker.BadRequestExceptionCheckers.Count);
Assert.AreEqual(IsBadRequestException, CustomBadRequestExceptionChecker.BadRequestExceptionCheckers[NormalCheckerName]);
Assert.AreEqual(CustomBadRequestExceptionChecker.BadRequestExceptionCheckers[NormalCheckerName],
CustomBadRequestExceptionChecker.BadRequestExceptionCheckers[NormalCheckerName.ToUpper()]);
Assert.AreEqual(CustomBadRequestExceptionChecker.BadRequestExceptionCheckers[NormalCheckerName],
CustomBadRequestExceptionChecker.BadRequestExceptionCheckers[NormalCheckerName.ToLower()]);
}
public void CustomBadRequestExecuteFallback()
{
HystrixCommandBase.RegisterCustomBadRequestExceptionChecker(NormalCheckerName, IsBadRequestException);
SampleHasFallbackIsolationCommand command = new SampleHasFallbackIsolationCommand(
TestCommandKey,
execute: () => { throw new ArgumentOutOfRangeException(); },
fallback: () => string.Empty);
command.Run();
}
public void RegisterCustomBadRequestExceptionChecker_AddCustomCheckerSuccess()
{
Assert.AreEqual(0, CustomBadRequestExceptionChecker.BadRequestExceptionCheckers.Count);
HystrixCommandBase.RegisterCustomBadRequestExceptionChecker(NormalCheckerName, IsBadRequestException);
Assert.AreEqual(1, CustomBadRequestExceptionChecker.BadRequestExceptionCheckers.Count);
Assert.AreEqual(IsBadRequestException, CustomBadRequestExceptionChecker.BadRequestExceptionCheckers[NormalCheckerName]);
HystrixCommandBase.RegisterCustomBadRequestExceptionChecker(WithExceptionCheckerName, IsBadRequestExceptionWithException);
Assert.AreEqual(2, CustomBadRequestExceptionChecker.BadRequestExceptionCheckers.Count);
Assert.AreEqual(IsBadRequestException, CustomBadRequestExceptionChecker.BadRequestExceptionCheckers[NormalCheckerName]);
Assert.AreEqual(IsBadRequestExceptionWithException, CustomBadRequestExceptionChecker.BadRequestExceptionCheckers[WithExceptionCheckerName]);
}
public void CustomBadRequestNotExecuteFallback_CheckerThrowException()
{
HystrixCommandBase.RegisterCustomBadRequestExceptionChecker(WithExceptionCheckerName, IsBadRequestExceptionWithException);
SampleHasFallbackIsolationCommand command = new SampleHasFallbackIsolationCommand(
TestCommandKey,
execute: () => { throw new ArgumentOutOfRangeException(); },
fallback: () => string.Empty);
string result = command.Run();
Assert.AreEqual(string.Empty, result);
}
public void RegisterCustomBadRequestExceptionChecker_NullNameParameterCausesArgumentNullException()
{
List <string> nullNames = new List <string>()
{
null, string.Empty, " ", "\t", "\n"
};
foreach (string name in nullNames)
{
try
{
HystrixCommandBase.RegisterCustomBadRequestExceptionChecker(name, IsBadRequestException);
Assert.Fail("ArgumentNullException should be thrown before this.");
}
catch (Exception ex)
{
Assert.IsInstanceOfType(ex, typeof(ArgumentNullException), "Exception should be ArgumentNullException");
}
}
}
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 CustomBadRequestNotCauseCircuitBreakerOpen()
{
HystrixCommandBase.RegisterCustomBadRequestExceptionChecker(NormalCheckerName, IsBadRequestException);
CommandComponents.ConfigSet.CircuitBreakerRequestCountThreshold = 2;
for (int i = 0; i < 100; 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(0, counts[CommandExecutionEventEnum.ShortCircuited]);
}
}
public void RegisterCustomBadRequestExceptionChecker_NullCheckerParameterCausesArgumentNullException()
{
HystrixCommandBase.RegisterCustomBadRequestExceptionChecker(NormalCheckerName, null);
}