public void Default_Timestamp_ISDateTimeMinValue()
{
// Arrange
var object1 = new SystemInformation();
// Assert
Assert.AreEqual(DateTime.MinValue, object1.Timestamp);
}
public void Put(SystemInformation systemInformation)
{
this.systemInformationArchiveAccessor.Store(systemInformation);
var systemStatusViewModel = this.systemStatusOrchestrator.GetSystemStatusViewModel(systemInformation);
var context = SignalR.GlobalHost.ConnectionManager.GetHubContext<SystemInformationHub>();
context.Clients.displaySystemStatus(systemStatusViewModel);
}
public void Default_MachineName_IsNull()
{
// Arrange
var object1 = new SystemInformation();
// Assert
Assert.IsNull(object1.MachineName);
}
public void EnqueuCount_IsZeroWhenToObjectIsFirstCreated()
{
// Arrange
var item = new SystemInformation();
// Act
var systemInformationQueueItem = new SystemInformationQueueItem(item);
// Assert
Assert.AreEqual(0, systemInformationQueueItem.EnqueuCount);
}
public void Constructor_SuppliedItemIsSet_ObjectIsInstantiated()
{
// Arrange
var item = new SystemInformation();
// Act
var systemInformationQueueItem = new SystemInformationQueueItem(item);
// Assert
Assert.IsNotNull(systemInformationQueueItem);
}
public void EnqueuCount_CanBeSet_ValueIsTheValueThatHasBeenAssigned()
{
// Arrange
var newEnqueueCount = 5;
var item = new SystemInformation();
var systemInformationQueueItem = new SystemInformationQueueItem(item);
// Act
systemInformationQueueItem.EnqueuCount = newEnqueueCount;
// Assert
Assert.AreEqual(newEnqueueCount, systemInformationQueueItem.EnqueuCount);
}
public void Send(SystemInformation systemInformation)
{
if (systemInformation == null)
{
throw new ArgumentNullException("systemInformation");
}
// get service configuration
IRESTServiceConfiguration serviceConfiguration = this.systemInformationSenderConfigurationProvider.GetConfiguration();
if (serviceConfiguration == null)
{
throw new SystemInformationSenderSetupException("Service configuration is null.");
}
if (!serviceConfiguration.IsValid())
{
throw new SystemInformationSenderSetupException("Service configuration \"{0}\" is invalid.", serviceConfiguration);
}
// create REST client
var restClient = this.restClientFactory.GetRESTClient(serviceConfiguration.Hostaddress);
if (restClient == null)
{
throw new SystemInformationSenderSetupException(
"Could not create a REST client using the supplied hostaddress \"{0}\".", serviceConfiguration.Hostaddress);
}
// create request
var request = this.requestFactory.CreatePutRequest(serviceConfiguration.ResourcePath, serviceConfiguration.Hostname);
if (request == null)
{
throw new FatalSystemInformationSenderException(
"Could not create a request object for the hostaddress \"{0}\", the hostname \"{1}\" and the resource path \"{2}\".",
serviceConfiguration.Hostaddress,
serviceConfiguration.Hostname,
serviceConfiguration.ResourcePath);
}
request.AddBody(systemInformation);
// Send request
var response = restClient.Execute<SystemInformation>(request);
// Evaluate response
if (response.ErrorException != null)
{
throw new SendSystemInformationFailedException(
string.Format("Sending object \"{0}\" via a REST call to \"{1}\" failed. Please try again later.", systemInformation, serviceConfiguration),
response.ErrorException);
}
}
public void GetSystemStatusViewModel_ParameterIsNotInitialized_ResultIsUninitializedViewModel()
{
// Arrage
var sytemInformation = new SystemInformation();
// Act
var result = this.systemStatusOrchestrator.GetSystemStatusViewModel(sytemInformation);
// Assert
var emptyViewModel = new SystemStatusViewModel();
Assert.AreEqual(emptyViewModel.MachineName, result.MachineName);
Assert.AreEqual(emptyViewModel.Timestamp, result.Timestamp);
Assert.AreEqual(emptyViewModel.DataPoints, result.DataPoints);
}
public static SystemInformation[] GetSystemInformationObjects(int count)
{
var items = new SystemInformation[count];
var machineName = Environment.MachineName;
DateTime timestamp = DateTime.UtcNow;
var incremet = new TimeSpan(0, 0, 0, 1, 0);
for (int i = 0; i < count; i++)
{
items[i] = new SystemInformation { MachineName = machineName, Timestamp = timestamp, };
timestamp += incremet;
}
return items;
}
public void Dequeue_FirstItemThatIsAddedIsReturned()
{
// Arrange
var queue = new SystemInformationMessageQueue();
var firstItem = new SystemInformation { MachineName = "1", Timestamp = DateTime.UtcNow };
queue.Enqueue(new SystemInformationQueueItem(firstItem));
queue.Enqueue(new SystemInformationQueueItem(new SystemInformation { MachineName = "2", Timestamp = DateTime.UtcNow }));
queue.Enqueue(new SystemInformationQueueItem(new SystemInformation { MachineName = "3", Timestamp = DateTime.UtcNow }));
// Act
var dequeuedItem = queue.Dequeue();
// Assert
Assert.AreEqual(firstItem, dequeuedItem.Item);
}
public void Equals_SuppliedObjectIsOfOtherType_ResultIsFalse()
{
// Arrange
var object1 = new SystemInformation
{
MachineName = Environment.MachineName,
Timestamp = DateTime.UtcNow,
SystemPerformance = new SystemPerformanceData()
};
var object2 = new object();
// Act
bool result = object1.Equals(object2);
// Assert
Assert.IsFalse(result);
}
public SystemStatusViewModel GetSystemStatusViewModel(SystemInformation systemInformation)
{
if (systemInformation == null)
{
throw new ArgumentNullException("systemInformation");
}
var systemStatusViewModel = new SystemStatusViewModel { MachineName = systemInformation.MachineName, Timestamp = systemInformation.Timestamp, };
// add data series
var dataSerieses = new List<SystemStatusPointViewModel>();
// systerm performance
if (systemInformation.SystemPerformance != null)
{
// Processor status data series
if (systemInformation.SystemPerformance.ProcessorStatus != null)
{
dataSerieses.Add(this.processorStatusOrchestrator.GetProcessorUtilizationInPercent(systemInformation.SystemPerformance.ProcessorStatus));
}
// Memory status data series
if (systemInformation.SystemPerformance.MemoryStatus != null)
{
dataSerieses.Add(this.memoryStatusOrchestrator.GetMemoryUtilizationInPercent(systemInformation.SystemPerformance.MemoryStatus));
}
// Storage status data series
if (systemInformation.SystemPerformance.StorageStatus != null)
{
dataSerieses.AddRange(this.storageStatusOrchestrator.GetStorageUtilizationInPercent(systemInformation.SystemPerformance.StorageStatus));
}
}
systemStatusViewModel.DataPoints = dataSerieses.ToArray();
return systemStatusViewModel;
}
public void GetSystemStatusViewModel_MemoryStatusIsNotNull_ResultContainsMemoryStatusDataPoint()
{
// Arrage
var memoryStatus = new SystemMemoryInformation { UsedMemoryInGB = 1d, AvailableMemoryInGB = 10d };
var systemPerformanceInformation = new SystemPerformanceData { MemoryStatus = memoryStatus };
var systemInformation = new SystemInformation { SystemPerformance = systemPerformanceInformation };
var memoryStatusViewModel = new SystemStatusPointViewModel { Name = "Memory Status", Value = 10d };
var processorStatusOrchestrator = new Mock<IProcessorStatusOrchestrator>();
var memoryStatusOrchestrator = new Mock<IMemoryStatusOrchestrator>();
memoryStatusOrchestrator.Setup(p => p.GetMemoryUtilizationInPercent(It.IsAny<SystemMemoryInformation>())).Returns(memoryStatusViewModel);
var storageStatusOrchestrator = new Mock<IStorageStatusOrchestrator>();
var systemStatusOrchestrator = new SystemStatusOrchestrator(
processorStatusOrchestrator.Object, memoryStatusOrchestrator.Object, storageStatusOrchestrator.Object);
// Act
var result = systemStatusOrchestrator.GetSystemStatusViewModel(systemInformation);
// Assert
Assert.AreEqual(memoryStatusViewModel.Value, result.DataPoints.First(d => d.Name.Equals(memoryStatusViewModel.Name)).Value);
}
public void GetHashCode_TwoIdenticalObjects_BothUninitialized_HashCodesAreEqual()
{
// Arrange
var package1 = new SystemInformation();
var package2 = new SystemInformation();
// Act
int hashCodeObject1 = package1.GetHashCode();
int hashCodeObject2 = package2.GetHashCode();
// Assert
Assert.AreEqual(hashCodeObject1, hashCodeObject2);
}
public void GetSystemStatusViewModel_StorageStatusIsNotNull_ResultContainsStorageStatusDataPoint()
{
// Arrage
var deviceInfo1 = new SystemStorageDeviceInformation { DeviceName = "C:", FreeDiscSpaceInPercent = 20d };
var deviceInfos = new[] { deviceInfo1 };
var storageStatus = new SystemStorageInformation { StorageDeviceInfos = deviceInfos };
var systemPerformanceInformation = new SystemPerformanceData { StorageStatus = storageStatus };
var systemInformation = new SystemInformation { SystemPerformance = systemPerformanceInformation };
var storageStatusViewModel = new SystemStatusPointViewModel { Name = "Storage Status" + deviceInfo1.DeviceName, Value = deviceInfo1.FreeDiscSpaceInPercent };
var processorStatusOrchestrator = new Mock<IProcessorStatusOrchestrator>();
var memoryStatusOrchestrator = new Mock<IMemoryStatusOrchestrator>();
var storageStatusOrchestrator = new Mock<IStorageStatusOrchestrator>();
storageStatusOrchestrator.Setup(s => s.GetStorageUtilizationInPercent(It.IsAny<SystemStorageInformation>())).Returns(
new[] { storageStatusViewModel });
var systemStatusOrchestrator = new SystemStatusOrchestrator(
processorStatusOrchestrator.Object, memoryStatusOrchestrator.Object, storageStatusOrchestrator.Object);
// Act
var result = systemStatusOrchestrator.GetSystemStatusViewModel(systemInformation);
// Assert
Assert.AreEqual(storageStatusViewModel.Value, result.DataPoints.First(d => d.Name.Equals(storageStatusViewModel.Name)).Value);
}
public void GetSystemStatusViewModel_ParameterIsValid_SystemStatusViewModelContainsSuppliedMachineName(string machineName)
{
// Arrage
var sytemInformation = new SystemInformation { MachineName = machineName };
var processorStatusOrchestrator = new Mock<IProcessorStatusOrchestrator>();
var memoryStatusOrchestrator = new Mock<IMemoryStatusOrchestrator>();
var storageStatusOrchestrator = new Mock<IStorageStatusOrchestrator>();
var systemStatusOrchestrator = new SystemStatusOrchestrator(
processorStatusOrchestrator.Object, memoryStatusOrchestrator.Object, storageStatusOrchestrator.Object);
// Act
var result = systemStatusOrchestrator.GetSystemStatusViewModel(sytemInformation);
// Assert
Assert.AreEqual(machineName, result.MachineName);
}
public void GetSystemStatusViewModel_ParameterIsValid_SystemStatusViewModelContainsSuppliedTimestamp()
{
// Arrage
var timestamp = DateTime.UtcNow;
var sytemInformation = new SystemInformation { Timestamp = timestamp };
var processorStatusOrchestrator = new Mock<IProcessorStatusOrchestrator>();
var memoryStatusOrchestrator = new Mock<IMemoryStatusOrchestrator>();
var storageStatusOrchestrator = new Mock<IStorageStatusOrchestrator>();
var systemStatusOrchestrator = new SystemStatusOrchestrator(
processorStatusOrchestrator.Object, memoryStatusOrchestrator.Object, storageStatusOrchestrator.Object);
// Act
var result = systemStatusOrchestrator.GetSystemStatusViewModel(sytemInformation);
// Assert
Assert.AreEqual(timestamp, result.Timestamp);
}
public void Send_ServiceConfigurationProviderReturnsNull_SystemInformationSenderSetupExceptionIsThrown()
{
// Arrange
var systemInformation = new SystemInformation();
IRESTServiceConfiguration serviceConfiguration = null;
var systemInformationSenderConfigurationProvider =
new Mock<IRESTBasedSystemInformationSenderConfigurationProvider>();
systemInformationSenderConfigurationProvider.Setup(s => s.GetConfiguration()).Returns(serviceConfiguration);
var restClientFactory = new Mock<IRESTClientFactory>();
var requestFactory = new Mock<IRESTRequestFactory>();
var systemInformationSender = new RESTBasedSystemInformationSender(systemInformationSenderConfigurationProvider.Object, restClientFactory.Object, requestFactory.Object);
// Act
systemInformationSender.Send(systemInformation);
}
public void Send_RequestCannotBeCreated_FatalSystemInformationSenderExceptionIsThrown()
{
// Arrange
var systemInformation = new SystemInformation();
var configuration = new Mock<IRESTServiceConfiguration>();
configuration.Setup(c => c.Hostaddress).Returns("127.0.0.1");
configuration.Setup(c => c.Hostname).Returns("localhost");
configuration.Setup(c => c.ResourcePath).Returns("api/systeminformation");
configuration.Setup(c => c.IsValid()).Returns(true);
var systemInformationSenderConfigurationProvider =
new Mock<IRESTBasedSystemInformationSenderConfigurationProvider>();
systemInformationSenderConfigurationProvider.Setup(s => s.GetConfiguration()).Returns(configuration.Object);
var client = new Mock<IRestClient>();
var restClientFactory = new Mock<IRESTClientFactory>();
restClientFactory.Setup(r => r.GetRESTClient(It.IsAny<string>())).Returns(client.Object);
IRestRequest request = null;
var requestFactory = new Mock<IRESTRequestFactory>();
requestFactory.Setup(r => r.CreatePutRequest(It.IsAny<string>(), It.IsAny<string>())).Returns(request);
var systemInformationSender = new RESTBasedSystemInformationSender(
systemInformationSenderConfigurationProvider.Object, restClientFactory.Object, requestFactory.Object);
// Act
systemInformationSender.Send(systemInformation);
}
public void QueueIsFilled_SendCausesExceptionWhichJustifiesARetry_RetryCountHasNotBeenExceeded_ItemIsAddedToQueue()
{
// Arrange
int maxRuntime = SystemInformationMessageQueueWorker.WorkIntervalInMilliseconds * 2;
var workQueue = new Mock<IMessageQueue<SystemInformation>>();
workQueue.Setup(q => q.IsEmpty()).Returns(false);
bool itemHasBeenAccessed = false;
var systemInfo = new SystemInformation { MachineName = Environment.MachineName, Timestamp = DateTime.UtcNow };
var queueItem = new SystemInformationQueueItem(systemInfo);
workQueue.Setup(q => q.Dequeue()).Returns(() =>
{
if (!itemHasBeenAccessed)
{
itemHasBeenAccessed = true;
return queueItem;
}
return null;
});
var errorQueue = new Mock<IMessageQueue<SystemInformation>>();
var systemInformationSender = new Mock<ISystemInformationSender>();
systemInformationSender.Setup(s => s.Send(systemInfo)).Throws(
new SendSystemInformationFailedException("Some minor exception which justifies a retry", null));
using (var messageQueueWorker = new SystemInformationMessageQueueWorker(systemInformationSender.Object, workQueue.Object, errorQueue.Object))
{
// Act
var worker = new Task(messageQueueWorker.Start);
worker.Start();
Task.WaitAll(new[] { worker }, maxRuntime);
// Assert
workQueue.Verify(q => q.Enqueue(It.IsAny<SystemInformationQueueItem>()), Times.Once());
}
}
public void Item_Get_ReturnsTheSameItemThatHasBeenAssignedViaTheConstructor()
{
// Arrange
var assignedItem = new SystemInformation();
var systemInformationQueueItem = new SystemInformationQueueItem(assignedItem);
// Act
var result = systemInformationQueueItem.Item;
// Assert
Assert.AreEqual(assignedItem, result);
}
public void Equals_TwoIdenticalInitializedObjects_ResultIsTrue()
{
// Arrange
var timestamp = DateTime.UtcNow;
var object1 = new SystemInformation
{
MachineName = Environment.MachineName,
Timestamp = timestamp,
SystemPerformance = new SystemPerformanceData()
};
var object2 = new SystemInformation
{
MachineName = Environment.MachineName,
Timestamp = timestamp,
SystemPerformance = new SystemPerformanceData()
};
// Act
bool result = object1.Equals(object2);
// Assert
Assert.IsTrue(result);
}
public void GetHashCode_TwoDistinctObjects_HashCodesAreDifferent()
{
// Arrange
var object1 = new SystemInformation
{
MachineName = Environment.MachineName,
Timestamp = DateTime.UtcNow,
SystemPerformance = new SystemPerformanceData()
};
var object2 = new SystemInformation
{
MachineName = "Different Machine",
Timestamp = DateTime.UtcNow,
SystemPerformance = new SystemPerformanceData()
};
// Act
int hashCodeObject1 = object1.GetHashCode();
int hashCodeObject2 = object2.GetHashCode();
// Assert
Assert.AreNotEqual(hashCodeObject1, hashCodeObject2);
}
public void ToString_Contains_SystemPerformance()
{
// Arrange
string expectedString = "SystemPerformanceData";
var systemPerformanceMock = new Mock<SystemPerformanceData>();
systemPerformanceMock.Setup(s => s.ToString()).Returns(expectedString);
var object1 = new SystemInformation
{
MachineName = Environment.MachineName,
Timestamp = DateTime.UtcNow,
SystemPerformance = new SystemPerformanceData()
};
// Act
string result = object1.ToString();
// Assert
Assert.IsTrue(result.Contains(expectedString));
}
public void ToString_DoesNotContain_UsedMemoryInGB()
{
// Arrange
var systemInformationItem = new SystemInformation { MachineName = Environment.MachineName, Timestamp = DateTime.UtcNow };
var object1 = new SystemInformationQueueItem(systemInformationItem) { EnqueuCount = 15 };
// Act
string result = object1.ToString();
// Assert
Assert.IsFalse(result.Contains(object1.EnqueuCount.ToString()));
}
public void ToString_Contains_Item()
{
// Arrange
var systemInformationItem = new SystemInformation { MachineName = Environment.MachineName, Timestamp = DateTime.UtcNow };
var object1 = new SystemInformationQueueItem(systemInformationItem);
// Act
string result = object1.ToString();
// Assert
Assert.IsTrue(result.Contains(object1.Item.ToString()));
}
public void Enqueue_Item_DequeueReturnsSameItem()
{
// Arrange
var item = new SystemInformation { MachineName = Environment.MachineName, Timestamp = DateTime.UtcNow };
var queue = new SystemInformationMessageQueue();
// Act
queue.Enqueue(new SystemInformationQueueItem(item));
var dequeuedItem = queue.Dequeue();
// Assert
Assert.AreEqual(item, dequeuedItem.Item);
}
public void GetHashCode_TwoIdenticalObjects_BothInitialized_HashCodesAreEqual()
{
// Arrange
var timestamp = DateTime.UtcNow;
var object1 = new SystemInformation
{
MachineName = Environment.MachineName,
Timestamp = timestamp,
SystemPerformance = new SystemPerformanceData()
};
var object2 = new SystemInformation
{
MachineName = Environment.MachineName,
Timestamp = timestamp,
SystemPerformance = new SystemPerformanceData()
};
// Act
int hashCodeObject1 = object1.GetHashCode();
int hashCodeObject2 = object2.GetHashCode();
// Assert
Assert.AreEqual(hashCodeObject1, hashCodeObject2);
}
public void Send_ResponseContainsException_SendSystemInformationFailedExceptionIsThrown()
{
// Arrange
var systemInformation = new SystemInformation();
var configuration = new Mock<IRESTServiceConfiguration>();
configuration.Setup(c => c.Hostaddress).Returns("127.0.0.1");
configuration.Setup(c => c.Hostname).Returns("localhost");
configuration.Setup(c => c.ResourcePath).Returns("api/systeminformation");
configuration.Setup(c => c.IsValid()).Returns(true);
var systemInformationSenderConfigurationProvider =
new Mock<IRESTBasedSystemInformationSenderConfigurationProvider>();
systemInformationSenderConfigurationProvider.Setup(s => s.GetConfiguration()).Returns(configuration.Object);
var response = new Mock<IRestResponse<SystemInformation>>();
response.Setup(r => r.ErrorException).Returns(new Exception("Some exception"));
var client = new Mock<IRestClient>();
client.Setup(c => c.Execute<SystemInformation>(It.IsAny<IRestRequest>())).Returns(response.Object);
var restClientFactory = new Mock<IRESTClientFactory>();
restClientFactory.Setup(r => r.GetRESTClient(It.IsAny<string>())).Returns(client.Object);
var request = new Mock<IRestRequest>();
var requestFactory = new Mock<IRESTRequestFactory>();
requestFactory.Setup(r => r.CreatePutRequest(It.IsAny<string>(), It.IsAny<string>())).Returns(request.Object);
var systemInformationSender = new RESTBasedSystemInformationSender(
systemInformationSenderConfigurationProvider.Object, restClientFactory.Object, requestFactory.Object);
// Act
systemInformationSender.Send(systemInformation);
}
public void ToString_Contains_Timestamp()
{
// Arrange
var object1 = new SystemInformation
{
MachineName = Environment.MachineName,
Timestamp = DateTime.UtcNow,
SystemPerformance = new SystemPerformanceData()
};
// Act
string result = object1.ToString();
// Assert
Assert.IsTrue(result.Contains(object1.Timestamp.ToString()));
}
