public void Load_StorageFilePathContainsEmptyArray_ResultIsEmpty()
{
// Arrange
string configfurationFileName = "File-With-EmptyArray" + TestConfigFileExtension;
File.WriteAllText(
configfurationFileName,
"[]",
this.encodingProvider.GetEncoding());
var configuration = new JSONMessageQueuePersistenceConfiguration {
FilePath = configfurationFileName
};
var configurationProvider = new Mock <IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
var result = queuePersistence.Load();
// Assert
Assert.IsEmpty(result);
}
public void Load_StorageFilePathContainsValidContent_ResultContainsAllItems()
{
// Arrange
string configfurationFileName = "File-With-Valid-Content" + TestConfigFileExtension;
var itemArray = TestUtilities.GetSystemInformationObjects(5).Select(systemInformation => new SystemInformationQueueItem(systemInformation)).ToArray();
File.WriteAllText(
configfurationFileName,
JsonConvert.SerializeObject(itemArray),
this.encodingProvider.GetEncoding());
var configuration = new JSONMessageQueuePersistenceConfiguration {
FilePath = configfurationFileName
};
var configurationProvider = new Mock <IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
var result = queuePersistence.Load();
// Assert
Assert.AreEqual(itemArray, result);
}
public void Load_StorageFilePathContainsInvalidContent_ResultIsNull()
{
// Arrange
string configfurationFileName = "File-With-Invalid-Content" + TestConfigFileExtension;
File.WriteAllText(
configfurationFileName,
"Garble Garble. Yada Yada. I will cause an exception when you try to deserialize me.",
this.encodingProvider.GetEncoding());
var configuration = new JSONMessageQueuePersistenceConfiguration {
FilePath = configfurationFileName
};
var configurationProvider = new Mock <IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
var result = queuePersistence.Load();
// Assert
Assert.IsNull(result);
}
public void Constructotor_AllParametersAreSet_ObjectIsInstantiated()
{
// Arrange
var configurationProvider = new Mock <IJSONMessageQueuePersistenceConfigurationProvider>();
var encodingProvider = new Mock <IEncodingProvider>();
// Act
var messageQueuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, encodingProvider.Object);
// Assert
Assert.IsNotNull(messageQueuePersistence);
}
public void Constructotor_AllParametersAreSet_ObjectIsInstantiated()
{
// Arrange
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
var encodingProvider = new Mock<IEncodingProvider>();
// Act
var messageQueuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, encodingProvider.Object);
// Assert
Assert.IsNotNull(messageQueuePersistence);
}
public void Save_TargetFileNameIsInvalid_MessageQueuePersistenceExceptionIsThrown(string targetFileName)
{
// Arrange
var itemArray = TestUtilities.GetSystemInformationObjects(5).Select(systemInformation => new SystemInformationQueueItem(systemInformation)).ToArray();
var configuration = new JSONMessageQueuePersistenceConfiguration {
FilePath = targetFileName
};
var configurationProvider = new Mock <IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
queuePersistence.Save(itemArray);
}
public void Save_ParameterIsNull_ArgumentNullExceptionIsThrown()
{
// Arrange
string configfurationFileName = "A-New-Config-File" + TestConfigFileExtension;
var configuration = new JSONMessageQueuePersistenceConfiguration {
FilePath = configfurationFileName
};
var configurationProvider = new Mock <IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
queuePersistence.Save(null);
}
public void Load_StorageFilePathDoesNotExist_ResultIsNull()
{
// Arrange
string configfurationFileName = "Non-Existing-Config-File" + TestConfigFileExtension;
var configuration = new JSONMessageQueuePersistenceConfiguration {
FilePath = configfurationFileName
};
var configurationProvider = new Mock <IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
var result = queuePersistence.Load();
// Assert
Assert.IsNull(result);
}
public void Save_TargetFileIsValid_DoesNotYetExist_TargetfileIsIsNotEmptyAfterSave()
{
// Arrange
string configfurationFileName = "New-File+" + Guid.NewGuid() + TestConfigFileExtension;
var itemArray = TestUtilities.GetSystemInformationObjects(5).Select(systemInformation => new SystemInformationQueueItem(systemInformation)).ToArray();
var configuration = new JSONMessageQueuePersistenceConfiguration {
FilePath = configfurationFileName
};
var configurationProvider = new Mock <IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
queuePersistence.Save(itemArray);
// Assert
Assert.IsNotNullOrEmpty(File.ReadAllText(configfurationFileName));
}
public void Load_StorageFilePathContainsInvalidContent_ResultIsNull()
{
// Arrange
string configfurationFileName = "File-With-Invalid-Content" + TestConfigFileExtension;
File.WriteAllText(
configfurationFileName,
"Garble Garble. Yada Yada. I will cause an exception when you try to deserialize me.",
this.encodingProvider.GetEncoding());
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = configfurationFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
var result = queuePersistence.Load();
// Assert
Assert.IsNull(result);
}
public void Load_StorageFilePathContainsEmptyArray_ResultIsEmpty()
{
// Arrange
string configfurationFileName = "File-With-EmptyArray" + TestConfigFileExtension;
File.WriteAllText(
configfurationFileName,
"[]",
this.encodingProvider.GetEncoding());
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = configfurationFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
var result = queuePersistence.Load();
// Assert
Assert.IsEmpty(result);
}
public void Save_TargetFileIsLockedByAnotherProcess_MessageQueuePersistenceExceptionIsThrown()
{
// Arrange
string configfurationFileName = "Locked-File" + TestConfigFileExtension;
var itemArray = TestUtilities.GetSystemInformationObjects(5).Select(systemInformation => new SystemInformationQueueItem(systemInformation)).ToArray();
var configuration = new JSONMessageQueuePersistenceConfiguration {
FilePath = configfurationFileName
};
var configurationProvider = new Mock <IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
using (var fileStream = File.OpenWrite(configfurationFileName))
{
queuePersistence.Save(itemArray);
}
}
public void RunFor10Seconds_SendFailsForAllItems_DispatcherStopsOnlyIfTheQueueIsEmptyAndAllRetryAttempsHaveFailed()
{
// Arrange
int runtimeInMilliseconds = 10 * 1000;
int itemsReturnedFromSystemInformationProvider = 0;
int attemptsToSend = 0;
// prepare system information provider
var provider = new Mock <ISystemInformationProvider>();
provider.Setup(p => p.GetSystemInfo()).Returns(() =>
{
itemsReturnedFromSystemInformationProvider++;
return(new SystemInformation {
MachineName = Environment.MachineName, Timestamp = DateTime.UtcNow
});
});
// prepare sender
var sender = new Mock <ISystemInformationSender>();
sender.Setup(s => s.Send(It.IsAny <SystemInformation>())).Callback(() => { attemptsToSend++; }).Throws(new SendSystemInformationFailedException("Send failed.", null));
IMessageQueue <SystemInformation> workQueue = new SystemInformationMessageQueue();
IMessageQueue <SystemInformation> errorQueue = new SystemInformationMessageQueue();
IMessageQueueProvider <SystemInformation> messageQueueProvider = new SystemInformationMessageQueueProvider(workQueue, errorQueue);
IMessageQueueFeeder messageQueueFeeder = new SystemInformationMessageQueueFeeder(provider.Object, workQueue);
IMessageQueueWorker messageQueueWorker = new SystemInformationMessageQueueWorker(sender.Object, workQueue, errorQueue);
var agentCoordinationService = new Mock <IAgentCoordinationService>();
var agentCoordinationServiceFactory = new Mock <IAgentCoordinationServiceFactory>();
agentCoordinationServiceFactory.Setup(f => f.GetAgentCoordinationService(It.IsAny <Action>(), It.IsAny <Action>())).Returns(
agentCoordinationService.Object);
var messageQueueFeederFactory = new Mock <IMessageQueueFeederFactory>();
messageQueueFeederFactory.Setup(f => f.GetMessageQueueFeeder()).Returns(messageQueueFeeder);
var messageQueueWorkerFactory = new Mock <IMessageQueueWorkerFactory>();
messageQueueWorkerFactory.Setup(f => f.GetMessageQueueWorker()).Returns(messageQueueWorker);
IMessageQueuePersistence <SystemInformation> messageQueuePersistence =
new JSONSystemInformationMessageQueuePersistence(this.jsonMessageQueuePersistenceConfigurationProvider, this.encodingProvider);
var systemInformationDispatchingService = new SystemInformationDispatchingService(
agentCoordinationServiceFactory.Object,
messageQueueFeederFactory.Object,
messageQueueWorkerFactory.Object,
messageQueueProvider,
messageQueuePersistence);
// Act
var stopwatch = new Stopwatch();
stopwatch.Start();
var dispatcher = new Task(systemInformationDispatchingService.Start);
dispatcher.Start();
Thread.Sleep(runtimeInMilliseconds);
systemInformationDispatchingService.Stop();
Task.WaitAll(new[] { dispatcher });
stopwatch.Stop();
// Assert
int queueSize = workQueue.GetSize();
Console.WriteLine(
"After a runtime of {0} milliseconds the dispatcher has been stopped with {1} items in queue. It took {2} milliseconds until the queue worker stopped sending out all queue items (Attempts To Send: {3}).",
runtimeInMilliseconds,
itemsReturnedFromSystemInformationProvider,
stopwatch.ElapsedMilliseconds,
attemptsToSend);
Assert.AreEqual(0, queueSize);
}
public void Load_StorageFilePathContainsValidContent_ResultContainsAllItems()
{
// Arrange
string configfurationFileName = "File-With-Valid-Content" + TestConfigFileExtension;
var itemArray = TestUtilities.GetSystemInformationObjects(5).Select(systemInformation => new SystemInformationQueueItem(systemInformation)).ToArray();
File.WriteAllText(
configfurationFileName,
JsonConvert.SerializeObject(itemArray),
this.encodingProvider.GetEncoding());
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = configfurationFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
var result = queuePersistence.Load();
// Assert
Assert.AreEqual(itemArray, result);
}
public void Load_StorageFilePathDoesNotExist_ResultIsNull()
{
// Arrange
string configfurationFileName = "Non-Existing-Config-File" + TestConfigFileExtension;
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = configfurationFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
var result = queuePersistence.Load();
// Assert
Assert.IsNull(result);
}
public void RunFor10Seconds_SendFailsForAllItems_DispatcherStopsOnlyIfTheQueueIsEmptyAndAllRetryAttempsHaveFailed()
{
// Arrange
int runtimeInMilliseconds = 10 * 1000;
int itemsReturnedFromSystemInformationProvider = 0;
int attemptsToSend = 0;
// prepare system information provider
var provider = new Mock<ISystemInformationProvider>();
provider.Setup(p => p.GetSystemInfo()).Returns(() =>
{
itemsReturnedFromSystemInformationProvider++;
return new SystemInformation { MachineName = Environment.MachineName, Timestamp = DateTime.UtcNow };
});
// prepare sender
var sender = new Mock<ISystemInformationSender>();
sender.Setup(s => s.Send(It.IsAny<SystemInformation>())).Callback(() => { attemptsToSend++; }).Throws(new SendSystemInformationFailedException("Send failed.", null));
IMessageQueue<SystemInformation> workQueue = new SystemInformationMessageQueue();
IMessageQueue<SystemInformation> errorQueue = new SystemInformationMessageQueue();
IMessageQueueProvider<SystemInformation> messageQueueProvider = new SystemInformationMessageQueueProvider(workQueue, errorQueue);
IMessageQueueFeeder messageQueueFeeder = new SystemInformationMessageQueueFeeder(provider.Object, workQueue);
IMessageQueueWorker messageQueueWorker = new SystemInformationMessageQueueWorker(sender.Object, workQueue, errorQueue);
var agentCoordinationService = new Mock<IAgentCoordinationService>();
var agentCoordinationServiceFactory = new Mock<IAgentCoordinationServiceFactory>();
agentCoordinationServiceFactory.Setup(f => f.GetAgentCoordinationService(It.IsAny<Action>(), It.IsAny<Action>())).Returns(
agentCoordinationService.Object);
var messageQueueFeederFactory = new Mock<IMessageQueueFeederFactory>();
messageQueueFeederFactory.Setup(f => f.GetMessageQueueFeeder()).Returns(messageQueueFeeder);
var messageQueueWorkerFactory = new Mock<IMessageQueueWorkerFactory>();
messageQueueWorkerFactory.Setup(f => f.GetMessageQueueWorker()).Returns(messageQueueWorker);
IMessageQueuePersistence<SystemInformation> messageQueuePersistence =
new JSONSystemInformationMessageQueuePersistence(this.jsonMessageQueuePersistenceConfigurationProvider, this.encodingProvider);
var systemInformationDispatchingService = new SystemInformationDispatchingService(
agentCoordinationServiceFactory.Object,
messageQueueFeederFactory.Object,
messageQueueWorkerFactory.Object,
messageQueueProvider,
messageQueuePersistence);
// Act
var stopwatch = new Stopwatch();
stopwatch.Start();
var dispatcher = new Task(systemInformationDispatchingService.Start);
dispatcher.Start();
Thread.Sleep(runtimeInMilliseconds);
systemInformationDispatchingService.Stop();
Task.WaitAll(new[] { dispatcher });
stopwatch.Stop();
// Assert
int queueSize = workQueue.GetSize();
Console.WriteLine(
"After a runtime of {0} milliseconds the dispatcher has been stopped with {1} items in queue. It took {2} milliseconds until the queue worker stopped sending out all queue items (Attempts To Send: {3}).",
runtimeInMilliseconds,
itemsReturnedFromSystemInformationProvider,
stopwatch.ElapsedMilliseconds,
attemptsToSend);
Assert.AreEqual(0, queueSize);
}
public void Save_TargetFileNameIsInvalid_MessageQueuePersistenceExceptionIsThrown(string targetFileName)
{
// Arrange
var itemArray = TestUtilities.GetSystemInformationObjects(5).Select(systemInformation => new SystemInformationQueueItem(systemInformation)).ToArray();
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = targetFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
queuePersistence.Save(itemArray);
}
public void Save_TargetFileIsValid_DoesNotYetExist_TargetfileIsIsNotEmptyAfterSave()
{
// Arrange
string configfurationFileName = "New-File+" + Guid.NewGuid() + TestConfigFileExtension;
var itemArray = TestUtilities.GetSystemInformationObjects(5).Select(systemInformation => new SystemInformationQueueItem(systemInformation)).ToArray();
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = configfurationFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
queuePersistence.Save(itemArray);
// Assert
Assert.IsNotNullOrEmpty(File.ReadAllText(configfurationFileName));
}
public void Save_TargetFileIsLockedByAnotherProcess_MessageQueuePersistenceExceptionIsThrown()
{
// Arrange
string configfurationFileName = "Locked-File" + TestConfigFileExtension;
var itemArray = TestUtilities.GetSystemInformationObjects(5).Select(systemInformation => new SystemInformationQueueItem(systemInformation)).ToArray();
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = configfurationFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
using (var fileStream = File.OpenWrite(configfurationFileName))
{
queuePersistence.Save(itemArray);
}
}
public void Save_ParameterIsNull_ArgumentNullExceptionIsThrown()
{
// Arrange
string configfurationFileName = "A-New-Config-File" + TestConfigFileExtension;
var configuration = new JSONMessageQueuePersistenceConfiguration { FilePath = configfurationFileName };
var configurationProvider = new Mock<IJSONMessageQueuePersistenceConfigurationProvider>();
configurationProvider.Setup(c => c.GetConfiguration()).Returns(configuration);
var queuePersistence = new JSONSystemInformationMessageQueuePersistence(configurationProvider.Object, this.encodingProvider);
// Act
queuePersistence.Save(null);
}
