public async Task Costs_1_Thread_When_Fuction_Has_Timed_Out_But_Isnt_Finished()
{
var commandIdentifier = new HystrixCommandIdentifier("group", "key");
var configurationServiceMock = new Mock <IHystrixConfigurationService>();
var timeoutWrapper = new HystrixTimeoutWrapper(commandIdentifier, configurationServiceMock.Object);
var primaryTask = new Func <Task <string> >(() => Task.Run(async() =>
{
Thread.Sleep(2000);
await Task.Delay(10);
return("a value");
}));
configurationServiceMock.Setup(service => service.GetCommandTimeoutInMilliseconds()).Returns(1000);
int availableThreadsBefore = GetAvailableThreads();
// act
await Assert.ThrowsAsync <HystrixTimeoutException>(() => timeoutWrapper.ExecuteAsync(primaryTask));
int availableThreadsAfter = GetAvailableThreads();
Assert.Equal(1, availableThreadsBefore - availableThreadsAfter);
await Task.Delay(2000);
availableThreadsAfter = GetAvailableThreads();
Assert.Equal(0, availableThreadsBefore - availableThreadsAfter);
}
public void Costs_1_Thread_When_Executing_Within_Timeout()
{
var commandIdentifier = new HystrixCommandIdentifier("group", "key");
var configurationServiceMock = new Mock <IHystrixConfigurationService>();
var timeoutWrapper = new HystrixTimeoutWrapper(commandIdentifier, configurationServiceMock.Object);
var primaryFunctionMock = new Mock <Func <string> >();
primaryFunctionMock.Setup(func => func()).Returns(() =>
{
Thread.Sleep(1000);
return("a value");
});
configurationServiceMock.Setup(service => service.GetCommandTimeoutInMilliseconds()).Returns(2000);
int availableThreadsBefore = GetAvailableThreads();
// act
Task <string> task = Task.Run(() => timeoutWrapper.Execute(primaryFunctionMock.Object));
int availableThreadsDuring = GetAvailableThreads();
task.Wait();
Assert.Equal(1, availableThreadsBefore - availableThreadsDuring);
}
public void Throws_ArgumentNullException_When_ConfigurationService_Is_Null()
{
var commandIdentifier = new HystrixCommandIdentifier("group", "key");
// act
Assert.Throws <ArgumentNullException>(() => new HystrixTimeoutWrapper(commandIdentifier, null));
}
public async Task Costs_0_Threads_When_Fuction_Has_Timed_Out_And_CancellationToken_Is_Used()
{
var commandIdentifier = new HystrixCommandIdentifier("group", "key");
var configurationServiceMock = new Mock <IHystrixConfigurationService>();
var timeoutWrapper = new HystrixTimeoutWrapper(commandIdentifier, configurationServiceMock.Object);
CancellationTokenSource tokenSource = new CancellationTokenSource();
var primaryTask = new Func <Task <string> >(() => Task.Run(async() =>
{
tokenSource.Token.WaitHandle.WaitOne(2000);
await Task.Delay(10, tokenSource.Token);
return("a value");
}));
configurationServiceMock.Setup(service => service.GetCommandTimeoutInMilliseconds()).Returns(1000);
int availableThreadsBefore = GetAvailableThreads();
// act
await Assert.ThrowsAsync <HystrixTimeoutException>(() => timeoutWrapper.ExecuteAsync(primaryTask, tokenSource));
int availableThreadsAfter = GetAvailableThreads();
Assert.Equal(0, availableThreadsBefore - availableThreadsAfter);
await Task.Delay(2000);
availableThreadsAfter = GetAvailableThreads();
Assert.Equal(0, availableThreadsBefore - availableThreadsAfter);
}
public void Throws_ArgumentNullException_When_MetricsCollector_Is_Null()
{
var commandIdentifier = new HystrixCommandIdentifier("group", "key");
var configurationServiceMock = new Mock <IHystrixConfigurationService>();
// Act
Assert.Throws <ArgumentNullException>(() => new HystrixCircuitBreaker(commandIdentifier, configurationServiceMock.Object, null));
}
public void Throws_ArgumentNullException_When_ConfigurationService_Is_Null()
{
var dateTimeProvider = new Mock <IDateTimeProvider>();
var commandIdentifier = new HystrixCommandIdentifier("group", "key");
var commandMetricsMock = new Mock <IHystrixCommandMetrics>();
// Act
Assert.Throws <ArgumentNullException>(() => new HystrixCircuitBreaker(dateTimeProvider.Object, commandIdentifier, null, commandMetricsMock.Object));
}
public void Returns_HashCode_Consisting_Of_GroupKey_And_CommandKey()
{
var commandIdentifier = new HystrixCommandIdentifier("GroupA", "CommandX");
// act
var hashCode = commandIdentifier.GetHashCode();
Assert.Equal(579705872, hashCode);
}
public void Returns_False_If_AppSetting_Does_Not_Exist()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("NonExistingGroup", "NonExistingCommand");
var hystrixConfigurationService = new HystrixLocalConfigurationService(hystrixCommandIdentifier, options);
// Act
bool value = hystrixConfigurationService.GetCircuitBreakerForcedOpen();
Assert.Equal(false, value);
}
public void Returns_GetCircuitBreakerForcedOpen_AppSetting_As_Boolean_For_GroupA_And_DependencyX()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("GroupA", "DependencyX");
var hystrixConfigurationService = new HystrixLocalConfigurationService(hystrixCommandIdentifier, options);
// Act
bool value = hystrixConfigurationService.GetCircuitBreakerForcedOpen();
Assert.Equal(true, value);
}
public void Returns_True_If_AppSetting_Does_Not_Exist()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("NonExistingGroup", "NonExistingCommand");
var hystrixConfigurationService = new HystrixLocalConfigurationService(hystrixCommandIdentifier, options);
// Act
bool value = hystrixConfigurationService.GetHystrixCommandEnabled();
Assert.True(value);
}
public void Returns_HystrixCommandEnabled_AppSetting_As_Boolean_For_GroupA_And_DependencyX()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("GroupA", "DependencyX");
var hystrixConfigurationService = new HystrixLocalConfigurationService(hystrixCommandIdentifier, options);
// Act
bool value = hystrixConfigurationService.GetHystrixCommandEnabled();
Assert.False(value);
}
public void Returns_100_If_AppSetting_Does_Not_Exist()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("NonExistingGroup", "NonExistingCommand");
var hystrixConfigurationService = new HystrixLocalConfigurationService(hystrixCommandIdentifier, options);
// Act
int value = hystrixConfigurationService.GetMetricsRollingPercentileBucketSize();
Assert.Equal(100, value);
}
public void Returns_True_If_AppSetting_Is_Not_A_Valid_Integer()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("GroupC", "DependencyZ");
var hystrixConfigurationService = new HystrixWebConfigConfigurationService(hystrixCommandIdentifier);
// act
bool value = hystrixConfigurationService.GetHystrixCommandEnabled();
Assert.True(value);
}
public void Returns_True_If_GroupKey_Are_Equal_And_CommandKey_Are_Not_Equal()
{
var firstCommandIdentifier = new HystrixCommandIdentifier("GroupA", "CommandX");
var secondCommandIdentifier = new HystrixCommandIdentifier("GroupA", "CommandY");
// act
var result = firstCommandIdentifier.Equals(secondCommandIdentifier);
Assert.False(result);
}
public void Returns_MetricsRollingPercentileBucketSize_AppSetting_As_Integer_For_GroupB_And_DependencyY()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("GroupB", "DependencyY");
var hystrixConfigurationService = new HystrixWebConfigConfigurationService(hystrixCommandIdentifier);
// act
int value = hystrixConfigurationService.GetMetricsRollingPercentileBucketSize();
Assert.Equal(1500, value);
}
public void Returns_MetricsRollingStatisticalWindowInMilliseconds_AppSetting_As_Integer_For_GroupA_And_DependencyX()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("GroupA", "DependencyX");
var hystrixConfigurationService = new HystrixLocalConfigurationService(hystrixCommandIdentifier, options);
// Act
int value = hystrixConfigurationService.GetMetricsRollingStatisticalWindowInMilliseconds();
Assert.Equal(3000, value);
}
public void Returns_20_If_AppSetting_Does_Not_Exist()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("NonExistingGroup", "NonExistingCommand");
var hystrixConfigurationService = new HystrixLocalConfigurationService(hystrixCommandIdentifier, options);
// Act
int value = hystrixConfigurationService.GetCircuitBreakerRequestVolumeThreshold();
Assert.Equal(20, value);
}
public void Returns_CircuitBreakerRequestVolumeThreshold_AppSetting_As_Integer_For_GroupA_And_DependencyX()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("GroupA", "DependencyX");
var hystrixConfigurationService = new HystrixLocalConfigurationService(hystrixCommandIdentifier, options);
// Act
int value = hystrixConfigurationService.GetCircuitBreakerRequestVolumeThreshold();
Assert.Equal(50000, value);
}
public void Returns_100_If_AppSetting_Is_Not_A_Valid_Integer()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("GroupC", "DependencyZ");
var hystrixConfigurationService = new HystrixWebConfigConfigurationService(hystrixCommandIdentifier);
// act
int value = hystrixConfigurationService.GetMetricsRollingPercentileBucketSize();
Assert.Equal(100, value);
}
public void Returns_False_If_AppSetting_Is_Not_A_Valid_Boolean()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("GroupC", "DependencyZ");
var hystrixConfigurationService = new HystrixWebConfigConfigurationService(hystrixCommandIdentifier);
// act
bool value = hystrixConfigurationService.GetCircuitBreakerForcedOpen();
Assert.Equal(false, value);
}
public void Returns_GetCircuitBreakerForcedOpen_AppSetting_As_Boolean_For_GroupB_And_DependencyY()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("GroupB", "DependencyY");
var hystrixConfigurationService = new HystrixWebConfigConfigurationService(hystrixCommandIdentifier);
// act
bool value = hystrixConfigurationService.GetCircuitBreakerForcedOpen();
Assert.Equal(false, value);
}
public void Returns_6_If_AppSetting_Does_Not_Exist()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("NonExistingGroup", "NonExistingCommand");
var hystrixConfigurationService = new HystrixWebConfigConfigurationService(hystrixCommandIdentifier);
// act
int value = hystrixConfigurationService.GetMetricsRollingPercentileWindowBuckets();
Assert.Equal(6, value);
}
public void Returns_True_If_GroupKey_Are_Equal_And_CommandKey_Are_Equal_And_Have_Different_Casing()
{
var firstCommandIdentifier = new HystrixCommandIdentifier("GroupA", "CommandX");
var secondCommandIdentifier = new HystrixCommandIdentifier("grOUpA", "comMAndX");
// act
var result = firstCommandIdentifier.Equals(secondCommandIdentifier);
Assert.True(result);
}
public void Returns_1000_If_AppSetting_Does_Not_Exist()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("NonExistingGroup", "NonExistingCommand");
var hystrixConfigurationService = new HystrixLocalConfigurationService(hystrixCommandIdentifier, options);
// Act
int value = hystrixConfigurationService.GetCommandTimeoutInMilliseconds();
Assert.Equal(1000, value);
}
public void Returns_True_If_AppSetting_Does_Not_Exist()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("NonExistingGroup", "NonExistingCommand");
var hystrixConfigurationService = new HystrixWebConfigConfigurationService(hystrixCommandIdentifier);
// act
bool value = hystrixConfigurationService.GetMetricsRollingPercentileEnabled();
Assert.True(value);
}
public void Returns_HystrixCommandEnabled_AppSetting_As_Boolean_For_GroupB_And_DependencyY()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("GroupB", "DependencyY");
var hystrixConfigurationService = new HystrixWebConfigConfigurationService(hystrixCommandIdentifier);
// act
bool value = hystrixConfigurationService.GetHystrixCommandEnabled();
Assert.False(value);
}
public void Returns_CommandTimeoutInMilliseconds_AppSetting_As_Integer_For_GroupA_And_DependencyX()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("GroupA", "DependencyX");
var sut = new HystrixLocalConfigurationService(hystrixCommandIdentifier, options);
// Act
int result = sut.GetCommandTimeoutInMilliseconds();
Assert.Equal(1500, result);
}
public void Returns_MetricsRollingPercentileWindowBuckets_AppSetting_As_Integer_For_GroupA_And_DependencyX()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("GroupA", "DependencyX");
var hystrixConfigurationService = new HystrixWebConfigConfigurationService(hystrixCommandIdentifier);
// act
int value = hystrixConfigurationService.GetMetricsRollingPercentileWindowBuckets();
Assert.Equal(3000, value);
}
public void Returns_MetricsRollingPercentileBucketSize_AppSetting_As_Integer_For_GroupA_And_DependencyX()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("GroupA", "DependencyX");
var hystrixConfigurationService = new HystrixLocalConfigurationService(hystrixCommandIdentifier, options);
// Act
int value = hystrixConfigurationService.GetMetricsRollingPercentileBucketSize();
Assert.Equal(3000, value);
}
public void Returns_MetricsRollingPercentileEnabled_AppSetting_As_Boolean_For_GroupA_And_DependencyX()
{
var hystrixCommandIdentifier = new HystrixCommandIdentifier("GroupA", "DependencyX");
var hystrixConfigurationService = new HystrixWebConfigConfigurationService(hystrixCommandIdentifier);
// act
bool value = hystrixConfigurationService.GetMetricsRollingPercentileEnabled();
Assert.True(value);
}