public void local_module_published_once_one_module_revieved()
{
PrepareSharedLibrary();
string publishingModuleSrc = GetSourceCodePath(typeof(SDPublishingModule));
string listeningModuleSrc = GetSourceCodePath(typeof(SDListeningModule));
string listener1 = GenerateListener(RuntimePath, _sharedDll, listeningModuleSrc, 1);
string listener2 = GenerateListener(RuntimePath, _sharedDll, listeningModuleSrc, 2);
string publisherDll = Compiler.GenerateModuleFromCode(publishingModuleSrc, _sharedDll);
ManifestBuilderConfiguration manifestConfiguration = ManifestBuilderConfiguration.Default;
manifestConfiguration.ModulesDependenciesProvider = new SingleModulesDependencyProvider();
Compiler.GenerateManifestForModule(publisherDll, KeyFile, manifestConfiguration);
// use the default Nomad Configuration
ListenerKernel = new NomadKernel();
IModuleDiscovery listnerDiscovery =
new CompositeModuleDiscovery(new SingleModuleDiscovery(listener1),
new SingleModuleDiscovery(listener2)
);
ListenerKernel.LoadModules(listnerDiscovery);
DistributedMessageCarrier firstCarrier = CreateCarrier(ListenerKernel);
IModuleDiscovery publisherDiscovery = new SingleModuleDiscovery(publisherDll);
ListenerKernel.LoadModules(publisherDiscovery);
Thread.Sleep(PUBLISH_TIMEOUT);
int firstMsg = firstCarrier.GetStatus.Count;
Assert.AreEqual(5, firstMsg, "The number of delivered messages is not exactly 5");
}
public void local_module_publishes_and_later_loaded_listener_module_does_not_receive_outdated_messages()
{
// path for this test (using the test method name) use in each code
PrepareSharedLibrary();
string publishingModuleSrc = GetSourceCodePath(typeof(InThePastPublishingModule));
string listeningModuleSrc = GetSourceCodePath(typeof(SimpleListeningModule));
string listener1 = GenerateListener(RuntimePath, _sharedDll, listeningModuleSrc, 1);
string publisherDll = Compiler.GenerateModuleFromCode(publishingModuleSrc, _sharedDll);
ManifestBuilderConfiguration manifestConfiguration = ManifestBuilderConfiguration.Default;
manifestConfiguration.ModulesDependenciesProvider = new SingleModulesDependencyProvider();
Compiler.GenerateManifestForModule(publisherDll, KeyFile, manifestConfiguration);
// preaparing modules discoveries.
IModuleDiscovery listenerDiscovery = new SingleModuleDiscovery(listener1);
IModuleDiscovery publisherDiscovery = new SingleModuleDiscovery(publisherDll);
// create non-distributed kernel
PublisherKernel = new NomadKernel();
// publisher module load
PublisherKernel.LoadModules(publisherDiscovery);
// postponed listener module load
PublisherKernel.LoadModules(listenerDiscovery);
// assert the events being published
var fi = new FileInfo(listener1 + "_CounterFile");
Assert.False(fi.Exists);
}
public void event_all_modules_loaded_is_catched_upon_every_success()
{
NomadKernel kernel = SetupMockedKernel();
// subscribe kernel for event
bool hasBeenLoaded = false;
kernel.EventAggregator.Subscribe <NomadAllModulesLoadedMessage>((message) =>
{
Assert.AreNotEqual(0, message.ModuleInfos.Count());
hasBeenLoaded = true;
});
// compiling simple modules
const string dir = @"Modules\Kernel\SimpleAllModulesLoadedAwarenessTestModules\Simple\";
const string fileName = "AllModulesLoadedEventAwareModule.dll";
const string module1Name = "SimpleModule1.dll";
const string module2Name = "SimpleModule2.dll";
const string keyFile = @"newkey.xml";
CompileSimpleModules(dir, keyFile, module1Name, module2Name);
// compiling aware module
var compiler = new ModuleCompiler
{
OutputDirectory =
Path.Combine(AppDomain.CurrentDomain.BaseDirectory,
@"Modules\Kernel\SimpleAllModulesLoadedAwarenessTestModules\Aware\")
};
compiler.OutputName = Path.Combine(compiler.OutputDirectory, fileName);
string modulePath = compiler.GenerateModuleFromCode(
@"..\Source\Nomad.Tests\FunctionalTests\Data\Kernel\AllModulesLoadedEventAwareModule.cs");
KeysGeneratorProgram.Main(new[] { keyFile });
compiler.GenerateManifestForModule(modulePath, keyFile);
// set up module which subscribes for event
// loading aware module
IModuleDiscovery setUpDiscovery = SetUpDiscovery(new ModuleInfo(modulePath));
Assert.DoesNotThrow(() => kernel.LoadModules(setUpDiscovery));
// loading simple modules
var directoryDiscovery = new DirectoryModuleDiscovery(dir, SearchOption.TopDirectoryOnly);
Assert.DoesNotThrow(() => kernel.LoadModules(directoryDiscovery));
//verify the method being called in a module.
var carrier = (MessageCarrier)kernel.ModuleAppDomain.CreateInstanceAndUnwrap(
typeof(MessageCarrier).Assembly.FullName, typeof(MessageCarrier).FullName);
Assert.AreEqual(
new[] { "AllModulesLoadedEventAwareModule", "AllModulesLoadedEventAwareModule" },
carrier.List.ToArray());
Assert.IsTrue(hasBeenLoaded);
}
public void distributed_module_publishes_and_two_later_loaded_listener_modules_receive_those_messages()
{
// path for this test (using the test method name) use in each code
PrepareSharedLibrary();
string publishingModuleSrc = GetSourceCodePath(typeof(MixedBufferedPublishingModule));
string listeningModuleSrc = GetSourceCodePath(typeof(SimpleListeningModule));
string listener1 = GenerateListener(RuntimePath, _sharedDll, listeningModuleSrc, 1);
string listener2 = GenerateListener(RuntimePath, _sharedDll, listeningModuleSrc, 1);
string publisherDll = Compiler.GenerateModuleFromCode(publishingModuleSrc, _sharedDll);
ManifestBuilderConfiguration manifestConfiguration = ManifestBuilderConfiguration.Default;
manifestConfiguration.ModulesDependenciesProvider = new SingleModulesDependencyProvider();
Compiler.GenerateManifestForModule(publisherDll, KeyFile, manifestConfiguration);
// create listener site
string listenerSite = "net.tcp://127.0.0.1:5555/IDEA";
// create published sites
string publisherSite = "net.tcp://127.0.0.1:7777/IDEA";
// create listener1 kernel
NomadConfiguration config1 = NomadConfiguration.Default;
config1.DistributedConfiguration = DistributedConfiguration.Default;
config1.DistributedConfiguration.LocalURI = new Uri(listenerSite);
ListenerKernel = new NomadKernel(config1);
IModuleDiscovery listenerDiscovery = new SingleModuleDiscovery(listener1);
ListenerKernel.LoadModules(listenerDiscovery);
// create publishing kernel
NomadConfiguration publisherConfig = NomadConfiguration.Default;
publisherConfig.DistributedConfiguration = DistributedConfiguration.Default;
publisherConfig.DistributedConfiguration.LocalURI = new Uri(publisherSite);
publisherConfig.DistributedConfiguration.URLs.Add(listenerSite);
PublisherKernel = new NomadKernel(publisherConfig);
IModuleDiscovery publisherDiscovery = new SingleModuleDiscovery(publisherDll);
PublisherKernel.LoadModules(publisherDiscovery);
// postponed load of a second listener module
IModuleDiscovery listenerDiscovery2 = new SingleModuleDiscovery(listener2);
ListenerKernel.LoadModules(listenerDiscovery2);
// assert the events being published
AssertEventPublished(listener1);
// assert that last loaded listener2 received valid events
AssertEventPublished(listener2);
}
exception_during_module_loading_is_changed_into_event_visible_from_module_and_kernel()
{
// set up configuration of kernel with mocks
NomadKernel kernel = SetupMockedKernel();
// set up listener for kernel side
bool hasBeenCalled = false;
kernel.EventAggregator.Subscribe <NomadAllModulesLoadedMessage>(
(message) => hasBeenCalled = true);
// compile module for event aggregation
const string dir = @"Modules\Kernel\Event\";
const string fileName = "EventAwareModule.dll";
const string keyFile = @"newkey.xml";
var compiler = new ModuleCompiler
{
OutputDirectory =
Path.Combine(AppDomain.CurrentDomain.BaseDirectory, dir)
};
compiler.OutputName = Path.Combine(compiler.OutputDirectory, fileName);
string modulePath = compiler.GenerateModuleFromCode(
@"..\Source\Nomad.Tests\FunctionalTests\Data\Kernel\EventAwareModule.cs");
KeysGeneratorProgram.Main(new[] { keyFile });
compiler.GenerateManifestForModule(modulePath, keyFile);
// set up module which subscribes for event
IModuleDiscovery setUpDiscovery = SetUpDiscovery(new ModuleInfo(modulePath));
kernel.LoadModules(setUpDiscovery);
// set up the discovery mock
IModuleDiscovery nonExistingDiscovery =
SetUpDiscovery(new ModuleInfo("NonExistingModule.dll"));
// perform test
Assert.Throws <NomadCouldNotLoadModuleException>(
() => kernel.LoadModules(nonExistingDiscovery),
"Exception should be thrown in kernel domain.");
//verify the method being called in a module.
var carrier = (MessageCarrier)kernel.ModuleAppDomain.CreateInstanceAndUnwrap(
typeof(MessageCarrier).Assembly.FullName, typeof(MessageCarrier).FullName);
Assert.AreEqual(new[] { "EventAwareModule" }, carrier.List.ToArray());
Assert.IsTrue(hasBeenCalled);
}
private static void loading_more_than_one_module_into_module_appdomain_callback()
{
SetUpInDomain();
_nomadKernel = new NomadKernel(_configuration);
var expectedModuleInfos = new[]
{
//Set Up modules to be loaded.
new ModuleInfo(_assemblyFullPath),
new ModuleInfo(_assemblyFullPath2),
};
SetUpModuleDiscovery(expectedModuleInfos);
_nomadKernel.ModuleAppDomain.AssemblyLoad += (sender, args) => Assert.That(
args.LoadedAssembly.FullName.
Equals(AssemblyFullName)
||
args.LoadedAssembly.FullName.
Equals(AssemblyFullName2)
);
_nomadKernel.LoadModules(_moduleDiscoveryMock.Object);
//Check for not loading assembly into kernel appDomain);););
foreach (
Assembly kernelAsm in _nomadKernel.KernelAppDomain.ReflectionOnlyGetAssemblies())
{
Assert.AreNotEqual(AssemblyFullName, kernelAsm.FullName,
"The module assembly 1 has been loaded into KernelAppDomain.");
Assert.AreNotEqual(AssemblyFullName2, kernelAsm.FullName,
"The module assembly 2 has been loaded into KernelAppDomain.");
}
}
private static void Main()
{
// signing the assemblies and creating the manifest using manifestBuilder api
GenerateManifestUsingApi("DistributableListenerModule.dll", @"..\Modules\Listener");
// using default distributed configuration
string site1 = "net.tcp://127.0.0.1:5555/IDEA";
NomadConfiguration config = NomadConfiguration.Default;
config.DistributedConfiguration = DistributedConfiguration.Default;
config.DistributedConfiguration.LocalURI = new Uri(site1);
var kernel = new NomadKernel(config);
// loading modules using single module discovery pattern
var discovery =
new DirectoryModuleDiscovery(@"..\Modules\Listener", SearchOption.TopDirectoryOnly);
kernel.LoadModules(discovery);
Console.WriteLine("Listener kernel ready");
//wait for input
Console.ReadLine();
}
private static void Main()
{
// signing the assemblies and creating the manifest using manifestBuilder api
GenerateManifestUsingApi("WpfApplicationModule.exe", @".\Modules\WpfApplication");
GenerateManifestUsingApi("WpfButtonModule.dll", @".\Modules\WpfButton");
GenerateManifestUsingApi("WpfUpdaterModule.dll", @".\Modules\WpfUpdater");
// setting up configuration for repository
NomadConfiguration configuration = NomadConfiguration.Default;
configuration.ModuleRepository = new WebModulesRepository("http://*****:*****@".\Modules\WpfApplication\WpfApplicationModule.exe"),
new SingleModuleDiscovery(@".\Modules\WpfButton\WpfButtonModule.dll"),
new SingleModuleDiscovery(@".\Modules\WpfUpdater\WpfUpdaterModule.dll")
);
kernel.LoadModules(discovery);
// FIXME: what about ending the thread here ?
}
private static void Main()
{
// signing the assemblies and creating the manifest using manifestBuilder api
GenerateManifestUsingApi("DistributablePublisherModule.dll", @"..\Modules\Publisher");
// using default configuration
string publisherSite = "net.tcp://127.0.0.1:6666/IDEA";
NomadConfiguration config2 = NomadConfiguration.Default;
config2.DistributedConfiguration = DistributedConfiguration.Default;
config2.DistributedConfiguration.LocalURI = new Uri(publisherSite);
// adding listener address to known sites.
const string listenerSite = "net.tcp://127.0.0.1:5555/IDEA";
config2.DistributedConfiguration.URLs.Add(listenerSite);
var kernel = new NomadKernel(config2);
// loading modules using single module discovery pattern
var discovery =
new DirectoryModuleDiscovery(@"..\Modules\Publisher", SearchOption.TopDirectoryOnly);
kernel.LoadModules(discovery);
Console.WriteLine("Publisher kernel ready");
//wait for input
Console.ReadLine();
}
private static void loading_module_into_module_appdomain_callback()
{
SetUpInDomain();
_nomadKernel = new NomadKernel(_configuration);
var expectedModuleInfos = new[]
{
//Set Up modules to be loaded.
new ModuleInfo(_assemblyFullPath),
};
SetUpModuleDiscovery(expectedModuleInfos);
_nomadKernel.ModuleAppDomain.AssemblyLoad +=
(sender, args) => Assert.AreEqual(AssemblyFullName,
args.LoadedAssembly.
FullName,
"The module has not been loaded into Module AppDomain");
_nomadKernel.ModuleAppDomain.UnhandledException +=
(sender, args) => Assert.Fail("Exception has been thrown" + args.ToString());
_nomadKernel.LoadModules(_moduleDiscoveryMock.Object);
//Check for not loading assembly into kernel appDomain
foreach (Assembly kernelAsm in _nomadKernel.KernelAppDomain.GetAssemblies())
{
Assert.AreNotEqual(AssemblyFullName, kernelAsm.FullName,
"The module assembly has been loaded into KernelAppDomain.");
}
}
public void local_module_publishes_and_later_loaded_listener_module_receives_those_messages()
{
// path for this test (using the test method name) use in each code
PrepareSharedLibrary();
string publishingModuleSrc = GetSourceCodePath(typeof(BufferedPublishingModule));
string listeningModuleSrc = GetSourceCodePath(typeof(SimpleListeningModule));
string listener1 = GenerateListener(RuntimePath, _sharedDll, listeningModuleSrc, 1);
string publisherDll = Compiler.GenerateModuleFromCode(publishingModuleSrc, _sharedDll);
ManifestBuilderConfiguration manifestConfiguration = ManifestBuilderConfiguration.Default;
manifestConfiguration.ModulesDependenciesProvider = new SingleModulesDependencyProvider();
Compiler.GenerateManifestForModule(publisherDll, KeyFile, manifestConfiguration);
// preaparing modules discoveries.
IModuleDiscovery listenerDiscovery = new SingleModuleDiscovery(listener1);
IModuleDiscovery publisherDiscovery = new SingleModuleDiscovery(publisherDll);
// create non-distributed kernel
PublisherKernel = new NomadKernel();
// publisher module load
PublisherKernel.LoadModules(publisherDiscovery);
// postponed listener module load
PublisherKernel.LoadModules(listenerDiscovery);
// assert the events being published
var fi = new FileInfo(listener1 + "_CounterFile");
if (fi.Exists)
{
using (StreamReader counterReader = fi.OpenText())
{
int value = Convert.ToInt32(counterReader.ReadLine());
// Verifying that locally the event aggregator works properly
Assert.AreEqual(5, value);
counterReader.Close();
}
}
else
{
Assert.Fail("No counter file from listener module in local postponed configuration");
}
}
private static void Main()
{
// use default configuration for kernel
var kernel = new NomadKernel();
// load the Application_WPF_Shell
kernel.LoadModules(new SingleModuleDiscovery(@".\Application_WPF_Shell\Application_WPF_Shell.exe"));
kernel.LoadModules(new CompositeModuleDiscovery(
new SingleModuleDiscovery(@".\FileLoaderModule\FileLoaderModule.dll"),
new SingleModuleDiscovery(@".\GraphicFilesHandlerModule\GraphicFilesHandlerModule.dll"),
new SingleModuleDiscovery(@".\TextFileHandlerModule\TextFileHandlerModule.dll"),
new SingleModuleDiscovery(@".\ListingAllLoadedModule\ListingAllLoadedModule.dll"),
new SingleModuleDiscovery(@".\ThreadedToolbarControlledModule\ThreadedToolbarControlledModule.dll")
));
}
public void module_publishes_module_listens()
{
// path for this test (using the test method name) use in each code
PrepareSharedLibrary();
string publishingModuleSrc = GetSourceCodePath(typeof(SimplePublishingModule));
string listeningModuleSrc = GetSourceCodePath(typeof(SimpleListeningModule));
string listener1 = GenerateListener(RuntimePath, _sharedDll, listeningModuleSrc, 1);
string publisherDll = Compiler.GenerateModuleFromCode(publishingModuleSrc, _sharedDll);
ManifestBuilderConfiguration manifestConfiguration = ManifestBuilderConfiguration.Default;
manifestConfiguration.ModulesDependenciesProvider = new SingleModulesDependencyProvider();
Compiler.GenerateManifestForModule(publisherDll, KeyFile, manifestConfiguration);
// create listener site
string listenerSite = "net.tcp://127.0.0.1:5555/IDEA";
// create published sites
string publisherSite = "net.tcp://127.0.0.1:7777/IDEA";
// create kernels with configuration
NomadConfiguration config1 = NomadConfiguration.Default;
config1.DistributedConfiguration = DistributedConfiguration.Default;
config1.DistributedConfiguration.LocalURI = new Uri(listenerSite);
ListenerKernel = new NomadKernel(config1);
IModuleDiscovery listenerDiscovery = new SingleModuleDiscovery(listener1);
ListenerKernel.LoadModules(listenerDiscovery);
// create publishing kernel
NomadConfiguration publisherConfig = NomadConfiguration.Default;
publisherConfig.DistributedConfiguration = DistributedConfiguration.Default;
publisherConfig.DistributedConfiguration.LocalURI = new Uri(publisherSite);
publisherConfig.DistributedConfiguration.URLs.Add(listenerSite);
PublisherKernel = new NomadKernel(publisherConfig);
IModuleDiscovery publisherDiscovery = new SingleModuleDiscovery(publisherDll);
PublisherKernel.LoadModules(publisherDiscovery);
// assert the events being published
AssertEventPublished(listener1, 5);
}
private static void Main()
{
// signing the assemblies and creating the manifest using manifestBuilder api
GenerateManifestUsingApi("Controlling_Publisher_Module.dll", @".\Modules\ControllingPublisher");
GenerateManifestUsingApi("Simple_Publisher_Module.dll", @".\Modules\SimplePublisher");
// using default configuration
var kernel = new NomadKernel();
// loading modules using single module discovery pattern
var discovery = new CompositeModuleDiscovery(
new DirectoryModuleDiscovery(@".\Modules\ControllingPublisher", SearchOption.TopDirectoryOnly),
new DirectoryModuleDiscovery(@".\Modules\SimplePublisher", SearchOption.TopDirectoryOnly));
kernel.LoadModules(discovery);
//wait for input
Console.ReadLine();
}
private static void unloading_modules_upon_request_callback()
{
SetUpInDomain();
_nomadKernel = new NomadKernel(_configuration);
var expectedModuleInfos = new[]
{
//Set Up modules to be loaded.
new ModuleInfo(_assemblyFullPath),
new ModuleInfo(_assemblyFullPath2),
};
SetUpModuleDiscovery(expectedModuleInfos);
_nomadKernel.LoadModules(_moduleDiscoveryMock.Object);
AppDomain moduleAppDomain = _nomadKernel.ModuleAppDomain;
_nomadKernel.UnloadModules();
Assert.AreNotSame(moduleAppDomain, _nomadKernel.ModuleAppDomain);
}
private static void Main(string[] args)
{
// signing the assembly and creating the manifest using manifestBuilder api
GenerateManifestUsingApi();
// using default configuration
var kernel = new NomadKernel();
// loading modules using directory module discovery pattern
var discovery = new SimpleDirectoryModuleDiscovery(@".\Modules\");
// loading discovered modules
kernel.LoadModules(discovery);
//wait for input
Console.ReadLine();
// unloading all modules
kernel.UnloadModules();
//wait for input
Console.ReadLine();
}
private static void Main(string[] args)
{
// signing the assemblies and creating the manifest using manifestBuilder api
// FIXME(i dont like this) this step should be omitted in real life scenarios
GenerateManifestUsingApi("Registering_within_ServiceLocator_Module.dll",
@".\Modules\RegisteringModule");
GenerateManifestUsingApi("ServiceLocator_dependent_Module.dll",
@".\Modules\DependantModule");
// using default configuration
var kernel = new NomadKernel();
// loading modules using composite module discovery pattern
var discovery =
new CompositeModuleDiscovery(new DirectoryModuleDiscovery(@".\Modules\",
SearchOption.
AllDirectories));
kernel.LoadModules(discovery);
//wait
Console.ReadLine();
}
public void module_published_once_only_one_module_recieved()
{
// path for this test (using the test method name) use in each code
PrepareSharedLibrary();
string publishingModuleSrc = GetSourceCodePath(typeof(SDPublishingModule));
string listeningModuleSrc = GetSourceCodePath(typeof(SDListeningModule));
string listener1 = GenerateListener(RuntimePath, _sharedDll, listeningModuleSrc, 1);
string listener2 = GenerateListener(RuntimePath, _sharedDll, listeningModuleSrc, 2);
string publisherDll = Compiler.GenerateModuleFromCode(publishingModuleSrc, _sharedDll);
ManifestBuilderConfiguration manifestConfiguration = ManifestBuilderConfiguration.Default;
manifestConfiguration.ModulesDependenciesProvider = new SingleModulesDependencyProvider();
Compiler.GenerateManifestForModule(publisherDll, KeyFile, manifestConfiguration);
// create listeners sites
string site1 = "net.tcp://127.0.0.1:5555/IDEA";
string site2 = "net.tcp://127.0.0.1:6666/IDEA";
// create published sites
string publisherSite = "net.tcp://127.0.0.1:7777/IDEA";
// create kernels with configuration
NomadConfiguration config1 = NomadConfiguration.Default;
config1.DistributedConfiguration = DistributedConfiguration.Default;
config1.DistributedConfiguration.LocalURI = new Uri(site1);
config1.DistributedConfiguration.URLs.Add(site2);
config1.DistributedConfiguration.URLs.Add(publisherSite);
ListenerKernel = new NomadKernel(config1);
IModuleDiscovery listnerDiscovery = new SingleModuleDiscovery(listener1);
ListenerKernel.LoadModules(listnerDiscovery);
DistributedMessageCarrier firstCarrier = CreateCarrier(ListenerKernel);
NomadConfiguration config2 = NomadConfiguration.Default;
config2.DistributedConfiguration = DistributedConfiguration.Default;
config2.DistributedConfiguration.LocalURI = new Uri(site2);
config2.DistributedConfiguration.URLs.Add(site1);
config2.DistributedConfiguration.URLs.Add(publisherSite);
ListenerKernelSecond = new NomadKernel(config2);
IModuleDiscovery listenerDiscovery2 = new SingleModuleDiscovery(listener2);
ListenerKernelSecond.LoadModules(listenerDiscovery2);
DistributedMessageCarrier secondCarrier = CreateCarrier(ListenerKernelSecond);
// create publishing kernel
NomadConfiguration publisherConfig = NomadConfiguration.Default;
publisherConfig.DistributedConfiguration = DistributedConfiguration.Default;
publisherConfig.DistributedConfiguration.LocalURI = new Uri(publisherSite);
publisherConfig.DistributedConfiguration.URLs.Add(site1);
publisherConfig.DistributedConfiguration.URLs.Add(site2);
PublisherKernel = new NomadKernel(publisherConfig);
IModuleDiscovery publisherDiscovery = new SingleModuleDiscovery(publisherDll);
PublisherKernel.LoadModules(publisherDiscovery);
// assert the events being published
// wait for publishing messages etc
Thread.Sleep(PUBLISH_TIMEOUT);
int firstMsg = firstCarrier.GetStatus.Count;
int secondMsg = secondCarrier.GetStatus.Count;
Assert.AreEqual(5, firstMsg + secondMsg, "The number of delivered messages is not exactly 5");
}