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Measuring and Monitoring WCF Web Service Performance

, 4 Oct 2012
Using ServiceMon to obtain performance statistics for web services
ServiceMonExtensionExample-noexe.zip
ServiceMonExtensionExample
ServiceMonExtensions
Properties
Service References
TempConvertWebService
configuration.svcinfo
configuration91.svcinfo
Reference.svcmap
tempconvert.wsdl
Tests
Properties
ServiceMonExtensionExample.zip
bin
Kaleida.ServiceMonitor.Framework.dll
configuration.svcinfo
configuration91.svcinfo
Reference.svcmap
tempconvert.wsdl
ServiceMon_v1.0.0_Source-noexe.zip
ServiceMon v1.0.0 Source
BuildTools
antlr-3.2.jar
nUnit
Failure.jpg
Ignored.jpg
NUnitTests.nunit
Success.jpg
tempfile.tmp
Everything.build
Kaleida.ServiceMonitor.CodePlexUploader
Kaleida.ServiceMonitor.Framework
Properties
Responses
Kaleida.ServiceMonitor.Model
Email
Layout
Parsing
ScriptGrammar.g
Properties
Runtime
ScriptDirectives
Statistics
StructuredSource
Kaleida.ServiceMonitor.Operations
PreparedRequests
Properties
ResponseHandlers
Kaleida.ServiceMonitor.UI
Application.ico
Icons
Application.ico
Error.ico
Running.ico
Stopped.ico
Kaleida.ProductBuilder.ServiceMonitor.csproj.DotSettings
Kaleida.ProductBuilder.ServiceMonitor.csproj.DotSettings.user
Kaleida.ProductBuilder.ServiceMonitor.csproj.ReSharper
NotificationPanels
Properties
Settings.settings
Scripts
Introductory Examples.mscr
More Examples.mscr
Kaleida.ServiceMonitor.UnitTests
Framework
Model
Email
Layout
Parsing
Runtime
Statistics
Operations
Scripts
Setup
DialogBackround.bmp
DialogBackround.pdn
DialogTopBanner.bmp
GPLv3License.rtf
Product.wxs
Setup.wixproj
ServiceMon_v1.0.0_Source.zip
bin
Antlr3.Runtime.dll
CodePlex.WebServices.Client.dll
JetBrains.Annotations.dll
log4net.dll
antlr-3.2.jar
Failure.jpg
fit.dll
Ignored.jpg
loadtest-assembly.dll
mock-assembly.dll
nonamespace-assembly.dll
notestfixtures-assembly.dll
nunit-console-runner.dll
nunit-console-x86.exe
nunit-console.exe
nunit-console.tests.dll
nunit-gui-runner.dll
nunit-gui.exe
nunit-gui.tests.dll
nunit-test-server.dll
nunit-x86.exe
nunit.core.dll
nunit.core.extensions.dll
nunit.core.interfaces.dll
nunit.core.tests.dll
nunit.exe
nunit.extensions.tests.dll
nunit.fixtures.dll
nunit.fixtures.tests.dll
nunit.framework.dll
nunit.framework.extensions.dll
nunit.framework.tests.dll
nunit.mocks.dll
nunit.mocks.tests.dll
nunit.testutilities.dll
nunit.uikit.dll
nunit.uikit.tests.dll
nunit.util.dll
nunit.util.tests.dll
NUnitTests.nunit
runFile.exe
Success.jpg
tempfile.tmp
test-assembly.dll
test-utilities.dll
timing-tests.dll
WixFileVersionExtension.dll
COPYING
Everything.build
Properties
ScriptGrammar.g
Application.ico
Application.ico
Error.ico
Running.ico
Stopped.ico
Kaleida.ProductBuilder.ServiceMonitor.csproj.DotSettings
Kaleida.ProductBuilder.ServiceMonitor.csproj.DotSettings.user
Kaleida.ProductBuilder.ServiceMonitor.csproj.ReSharper
Settings.settings
Introductory Examples.mscr
More Examples.mscr
DialogBackround.bmp
DialogBackround.pdn
DialogTopBanner.bmp
GPLv3License.rtf
Product.wxs
Setup.wixproj
using System;
using System.Drawing;
using Kaleida.ServiceMonitor.Model;
using Kaleida.ServiceMonitor.Model.Runtime;
using NUnit.Framework;

namespace Kaleida.UnitTests.Model.Runtime
{
    [TestFixture]
    public class DefaultStatePresentationTests
    {
        [Test]
        public void TestGet10FootBackgroundColourIsGreyWhenNoScript()
        {
            var state = new MonitorState();
            var presentation = new DefaultStatePresentation(state);
            
            Assert.AreEqual(Color.Gray, presentation.GetNotificationColour());
        }

        [Test]
        public void TestGet10FootBackgroundColourIsGreyWhenNotRunning()
        {
            var state = new MonitorState();
            state.ScriptCompiled(ScriptCompilation.Success(new CompiledScript()));

            Assert.IsFalse(state.IsMonitoring);

            var presentation = new DefaultStatePresentation(state);

            Assert.AreEqual(Color.Gray, presentation.GetNotificationColour());
        }


        [Test]
        public void TestGet10FootBackgroundColourIsGreenWhenRunningAndNoErrors()
        {
            var state = new MonitorState();
            state.ScriptCompiled(ScriptCompilation.Success(new CompiledScript()));
            state.StartMonitoring();

            var presentation = new DefaultStatePresentation(state);

            Assert.IsTrue(state.IsMonitoring);
            Assert.IsFalse(state.HasOperationFailures);
            
            Assert.AreEqual(Color.LightGreen, presentation.GetNotificationColour());
        }

        [Test]
        public void TestGet10FootBackgroundColourChangesAsErrorsAccumulate()
        {
            var state = new MonitorState ();
            state.ScriptCompiled(ScriptCompilation.Success(new CompiledScript()));
            state.StartMonitoring();

            var presentation = new DefaultStatePresentation(state);

            Assert.IsTrue(state.IsMonitoring);
            Assert.IsFalse(state.HasOperationFailures);

            state.FlagError();
            Assert.AreEqual(Color.Yellow, presentation.GetNotificationColour());
            state.FlagError();
            Assert.AreEqual(Color.Orange, presentation.GetNotificationColour());

            state.IncrementErrorsCountBy(8);
            Assert.AreEqual(10, state.OperationErrorCount);

            Assert.AreEqual(Color.Orange, presentation.GetNotificationColour());
            state.FlagError();
            Assert.AreEqual(Color.LightCoral, presentation.GetNotificationColour());

            state.IncrementErrorsCountBy(89);
            Assert.AreEqual(100, state.OperationErrorCount);

            Assert.AreEqual(Color.LightCoral, presentation.GetNotificationColour());

            state.FlagError();
            Assert.AreEqual(Color.Crimson, presentation.GetNotificationColour());

            state.IncrementErrorsCountBy(1000);
            Assert.AreEqual(Color.Crimson, presentation.GetNotificationColour());
        }

        [Test]
        public void TestGet10FootSymbolWhenNotRunning()
        {
            var state = new MonitorState();
            var presentation = new DefaultStatePresentation(state);

            Assert.IsFalse(state.IsMonitoring);

            Assert.AreEqual("", presentation.GetNotificationWord());
        }

        [Test]
        public void TestGet10FootSymbolWhenNotRunningAndHasErrors()
        {
            var state = new MonitorState();
            state.FlagError();

            Assert.IsFalse(state.IsMonitoring);
            Assert.IsTrue(state.HasOperationFailures);

            var presentation = new DefaultStatePresentation(state);
            Assert.AreEqual(":-(", presentation.GetNotificationWord());
        }

        [Test]
        public void TestGet10FootSymbolWhenRunningAndNoErrors()
        {
            var state = new MonitorState();
            state.ScriptCompiled(ScriptCompilation.Success(new CompiledScript()));
            state.StartMonitoring();

            var presentation = new DefaultStatePresentation(state);

            Assert.IsTrue(state.IsMonitoring);
            Assert.IsFalse(state.HasOperationFailures);

            Assert.AreEqual(":-)", presentation.GetNotificationWord());
        }

        [Test]
        public void TestGet10FootSymbolWhenRunningAndHasErrors()
        {
            var state = new MonitorState();
            state.ScriptCompiled(ScriptCompilation.Success(new CompiledScript()));
            state.StartMonitoring();
            state.FlagError();

            var presentation = new DefaultStatePresentation(state);

            Assert.IsTrue(state.IsMonitoring);
            Assert.IsTrue(state.HasOperationFailures);

            Assert.AreEqual(":-(", presentation.GetNotificationWord());
        }

        [Test]
        public void TestGet10FootStatusMessage()
        {
            var state = new MonitorState();

            var presentation = new DefaultStatePresentation(state);

            Assert.AreEqual("", presentation.GetStateDetail());

            state.ScriptCompiled(ScriptCompilation.Success(new CompiledScript()));

            Assert.AreEqual("", presentation.GetStateDetail());

            state.StartMonitoring();

            state.FlagError(new OperationError("First Error", new DateTime(2012, 1, 5)));
            Assert.AreEqual("1 error:\r\n    05-Jan-2012 00:00:00 First Error\r\n", presentation.GetStateDetail());
            state.FlagError(new OperationError("Second Error", new DateTime(2012, 1, 6)));
            Assert.AreEqual("2 errors:\r\n    First:  05-Jan-2012 00:00:00 First Error\r\n    Latest: 06-Jan-2012 00:00:00 Second Error\r\n", presentation.GetStateDetail());
            state.FlagError(new OperationError("Third Error", new DateTime(2012, 1, 7)));
            Assert.AreEqual("3 errors:\r\n    First:  05-Jan-2012 00:00:00 First Error\r\n    Latest: 07-Jan-2012 00:00:00 Third Error\r\n", presentation.GetStateDetail());
            state.StopMonitoring();
            Assert.AreEqual("3 errors:\r\n    First:  05-Jan-2012 00:00:00 First Error\r\n    Latest: 07-Jan-2012 00:00:00 Third Error\r\n", presentation.GetStateDetail());
        }
    }

    internal static class TestHelper
    {
        internal static void IncrementErrorsCountBy(this MonitorState state, int count)
        {
            for (int i = 0; i < count; i++)
                state.FlagError();
        }

        internal static void FlagError(this MonitorState state)
        {
            state.FlagError(new OperationError("Dummy Error", DateTime.Now));
        }
    }
}

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This article, along with any associated source code and files, is licensed under The GNU General Public License (GPLv3)

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About the Author

Stuart Wheelwright
Architect BlackJet Software Ltd
United Kingdom United Kingdom
Stuart Wheelwright is the Principal Architect and Software Developer at BlackJet Software Ltd.
 
He has over 16 years commercial experience producing robust, maintainable, web-based solutions and bespoke systems for Microsoft platforms.
 
His latest project is Shopping UK, an elegantly simple shopping list for iPhone.
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