public void CategorySampleReadsDataCorrectly()
        {
            // ARRANGE
            var    dataList     = new List <byte>();
            string resourceName = "Unit.Tests.QuickPulse.PerfLib.PerfData.data";

            Stream stream = null;

            try
            {
                stream = typeof(CategorySampleTests).Assembly.GetManifestResourceStream(resourceName);

                using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
                {
                    stream = null;

                    dataList.AddRange(reader.ReadToEnd().Split(',').Select(byte.Parse));
                }
            }
            finally
            {
                stream?.Dispose();
            }

            byte[] data = dataList.ToArray();

            var perfLib = PerfLib.GetPerfLib();

            // ACT
            var categorySample = new CategorySample(data, 230, 6, perfLib);

            // ASSERT
            // the test data has 28 counters, 165 instances, with the first counter being index 6 (% Processor Time).
            Assert.AreEqual(28, categorySample.CounterTable.Count);
            Assert.AreEqual(165, categorySample.InstanceNameTable.Count);
            Assert.AreEqual(6, categorySample.CounterTable.First().Key);
            Assert.AreEqual("Idle", categorySample.InstanceNameTable.First().Key);
        }
        /// <summary>
        /// Initialize method is called after all configuration properties have been loaded from the configuration.
        /// </summary>
        /// <param name="configuration">TelemetryConfiguration passed to the module.</param>
        public void Initialize(TelemetryConfiguration configuration)
        {
            if (!this.isInitialized)
            {
                lock (this.moduleInitializationLock)
                {
                    if (!this.isInitialized)
                    {
                        QuickPulseEventSource.Log.ModuleIsBeingInitializedEvent(
                            this.QuickPulseServiceEndpoint,
                            this.DisableFullTelemetryItems,
                            this.DisableTopCpuProcesses,
                            this.AuthenticationApiKey);

                        QuickPulseEventSource.Log.TroubleshootingMessageEvent("Validating configuration...");
                        ValidateConfiguration(configuration);
                        this.config = configuration;

                        QuickPulseEventSource.Log.TroubleshootingMessageEvent("Initializing members...");
                        this.collectionTimeSlotManager = this.collectionTimeSlotManager ?? new QuickPulseCollectionTimeSlotManager();

                        this.performanceCollector = this.performanceCollector ?? PerformanceCounterUtility.GetPerformanceCollector();

                        this.timeProvider    = this.timeProvider ?? new Clock();
                        this.topCpuCollector = this.topCpuCollector
                                               ?? new QuickPulseTopCpuCollector(this.timeProvider, new QuickPulseProcessProvider(PerfLib.GetPerfLib()));
                        this.timings = timings ?? QuickPulseTimings.Default;

                        CollectionConfigurationError[] errors;
                        this.collectionConfiguration = new CollectionConfiguration(
                            new CollectionConfigurationInfo()
                        {
                            ETag = string.Empty
                        },
                            out errors,
                            this.timeProvider);
                        this.dataAccumulatorManager = this.dataAccumulatorManager ?? new QuickPulseDataAccumulatorManager(this.collectionConfiguration);

                        this.InitializeServiceClient(configuration);

                        this.stateManager = new QuickPulseCollectionStateManager(
                            this.ServiceClient,
                            this.timeProvider,
                            this.timings,
                            this.OnStartCollection,
                            this.OnStopCollection,
                            this.OnSubmitSamples,
                            this.OnReturnFailedSamples,
                            this.OnUpdatedConfiguration);

                        this.CreateStateThread();

                        this.isInitialized = true;
                    }
                }
            }
        }
        /// <summary>
        /// Initialize method is called after all configuration properties have been loaded from the configuration.
        /// </summary>
        /// <param name="configuration">TelemetryConfiguration passed to the module.</param>
        public void Initialize(TelemetryConfiguration configuration)
        {
            if (!this.isInitialized)
            {
                lock (this.lockObject)
                {
                    if (!this.isInitialized)
                    {
                        QuickPulseEventSource.Log.ModuleIsBeingInitializedEvent(
                            this.QuickPulseServiceEndpoint,
                            this.DisableFullTelemetryItems,
                            this.DisableTopCpuProcesses);

                        QuickPulseEventSource.Log.TroubleshootingMessageEvent("Validating configuration...");
                        this.ValidateConfiguration(configuration);
                        this.config = configuration;

                        QuickPulseEventSource.Log.TroubleshootingMessageEvent("Initializing members...");
                        this.collectionTimeSlotManager = this.collectionTimeSlotManager ?? new QuickPulseCollectionTimeSlotManager();
                        this.dataAccumulatorManager    = this.dataAccumulatorManager ?? new QuickPulseDataAccumulatorManager();
                        this.performanceCollector      = this.performanceCollector ??
                                                         (PerformanceCounterUtility.IsWebAppRunningInAzure() ? (IPerformanceCollector) new WebAppPerformanceCollector() : (IPerformanceCollector) new StandardPerformanceCollector());
                        this.timeProvider    = this.timeProvider ?? new Clock();
                        this.topCpuCollector = this.topCpuCollector
                                               ?? new QuickPulseTopCpuCollector(this.timeProvider, new QuickPulseProcessProvider(PerfLib.GetPerfLib()));
                        this.timings = timings ?? QuickPulseTimings.Default;

                        this.InitializeServiceClient(configuration);

                        this.stateManager = new QuickPulseCollectionStateManager(
                            this.serviceClient,
                            this.timeProvider,
                            this.timings,
                            this.OnStartCollection,
                            this.OnStopCollection,
                            this.OnSubmitSamples,
                            this.OnReturnFailedSamples);

                        this.CreateStateThread();

                        this.isInitialized = true;
                    }
                }
            }
        }