Initial implementation of separate teamcity extension solution

.gitignore

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+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.sln.docstates
+
+# Build results
+
+[Dd]ebug/
+[Rr]elease/
+x64/
+build/
+[Bb]in/
+[Oo]bj/
+.vs/
+tools/Cake
+
+# Enable "build/" folder in the NuGet Packages folder since NuGet packages use it for MSBuild targets
+!packages/*/build/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+*_i.c
+*_p.c
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.log
+*.scc
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+*.ncrunch*
+.*crunch*.local.xml
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
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+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.Publish.xml
+
+# NuGet Packages Directory
+packages/
+
+# Windows Azure Build Output
+csx
+*.build.csdef
+
+# Windows Store app package directory
+AppPackages/
+
+# Others
+sql/
+*.Cache
+ClientBin/
+[Ss]tyle[Cc]op.*
+~$*
+*~
+*.dbmdl
+*.[Pp]ublish.xml
+*.pfx
+*.publishsettings
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file to a newer
+# Visual Studio version. Backup files are not needed, because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+App_Data/*.mdf
+App_Data/*.ldf
+
+
+#LightSwitch generated files
+GeneratedArtifacts/
+_Pvt_Extensions/
+ModelManifest.xml
+
+# =========================
+# Windows detritus
+# =========================
+
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Mac desktop service store files
+.DS_Store
+
+# =========================
+# NUnit Specific
+# =========================
+
+.~
+*.userprefs
+*.StyleCop
+*.sdf
+GeneratedAssemblyInfo.cs
+StyleCop.Cache
+local.settings.include
+InternalTrace.txt
+TestResult.xml
+testCaseCollection.xml
+deploy
+lib
+test-results
+package
+images
+MockAssemblyResult.xml
+PortabilityAnalysis*.html

NuGet.config

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+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <add key="NUnit AppVeyor CI" value="https://ci.appveyor.com/nuget/nunit" />
+    <add key="NUNit MyGet Feed" value="https://www.myget.org/F/nunit/api/v2" />
+    <add key="nuget.org" value="https://www.nuget.org/api/v2/" />
+    <add key="api.nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
+  </packageSources>
+</configuration>

src/extension/Properties/AssemblyInfo.cs

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+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("teamcity-event-listener")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("teamcity-event-listener")]
+[assembly: AssemblyCopyright("Copyright ©  2016")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("a867079b-a172-4dae-9549-63b331092a23")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.1.0")]
+[assembly: AssemblyFileVersion("1.0.1.0")]

src/extension/SafeAttributeAccess.cs

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+// ***********************************************************************
+// Copyright (c) 2016 Charlie Poole
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// ***********************************************************************
+
+using System;
+using System.Xml;
+
+namespace System.Runtime.CompilerServices
+{
+    [AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Class | AttributeTargets.Method)]
+    sealed class ExtensionAttribute : Attribute { }
+}
+
+namespace NUnit.Engine.Listeners
+{
+    /// <summary>
+    /// SafeAttributeAccess provides an extension method for accessing XML attributes.
+    /// </summary>
+    public static class SafeAttributeAccess
+    {
+        /// <summary>
+        /// Gets the value of the given attribute.
+        /// </summary>
+        /// <param name="result">The result.</param>
+        /// <param name="name">The name.</param>
+        /// <returns></returns>
+        public static string GetAttribute(this XmlNode result, string name)
+        {
+            XmlAttribute attr = result.Attributes[name];
+
+            return attr == null ? null : attr.Value;
+        }
+    }
+}

src/extension/TeamCityEventListener.cs

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+// ***********************************************************************
+// Copyright (c) 2015 Charlie Poole
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// ***********************************************************************
+
+using System;
+using System.IO;
+using System.Xml;
+using System.Collections.Generic;
+using System.Globalization;
+using NUnit.Engine.Extensibility;
+
+namespace NUnit.Engine.Listeners
+{
+    // Note: Setting mimimum engine version in this case is
+    // purely documentary since engines prior to 3.4 do not
+    // check the EngineVersion property and will try to
+    // load this extension anyway.
+    [Extension(Enabled = false, EngineVersion = "3.4")]
+    public class TeamCityEventListener : ITestEventListener
+    {
+        private readonly TextWriter _outWriter;
+        private readonly Dictionary<string, string> _refs = new Dictionary<string, string>();
+        private int _blockCounter;
+        private string _rootFlowId;
+
+        public TeamCityEventListener() : this(Console.Out) { }
+
+        public TeamCityEventListener(TextWriter outWriter)
+        {
+            if (outWriter == null)
+            {
+                throw new ArgumentNullException("outWriter");
+            }
+
+            _outWriter = outWriter;
+        }
+
+        #region ITestEventListener Implementation
+
+        public void OnTestEvent(string report)
+        {
+            var doc = new XmlDocument();
+            doc.LoadXml(report);
+
+            var testEvent = doc.FirstChild;
+            RegisterMessage(testEvent);
+        }
+
+        #endregion
+
+        public void RegisterMessage(XmlNode testEvent)
+        {
+            if (testEvent == null)
+            {
+                throw new ArgumentNullException("message");
+            }
+
+            var messageName = testEvent.Name;
+            if (string.IsNullOrEmpty(messageName))
+            {
+                return;
+            }
+
+            messageName = messageName.ToLowerInvariant();
+            if (messageName == "start-run")
+            {
+                _refs.Clear();
+                return;
+            }
+
+            var fullName = testEvent.GetAttribute("fullname");
+            if (string.IsNullOrEmpty(fullName))
+            {
+                return;
+            }
+
+            var id = testEvent.GetAttribute("id");
+            var parentId = testEvent.GetAttribute("parentId");
+            string flowId;
+            if (parentId != null)
+            {
+                // NUnit 3 case
+                string rootId;
+                flowId = TryFindRootId(parentId, out rootId) ? rootId : id;
+            }
+            else
+            {
+                // NUnit 2 case
+                flowId = _rootFlowId;
+            }
+
+            string testFlowId;
+            if (id != flowId && parentId != null)
+            {
+                testFlowId = id;
+            }
+            else
+            {
+                testFlowId = flowId;
+                if (testFlowId == null)
+                {
+                    testFlowId = id;
+                }
+            }
+
+            switch (messageName.ToLowerInvariant())
+            {
+                case "start-suite":
+                    _refs[id] = parentId;
+                    StartSuiteCase(id, parentId, flowId, fullName);
+                    break;
+
+                case "test-suite":
+                    _refs.Remove(id);
+                    TestSuiteCase(id, parentId, flowId, fullName);
+                    break;
+
+                case "start-test":
+                    _refs[id] = parentId;
+                    CaseStartTest(id, flowId, parentId, testFlowId, fullName);
+                    break;
+
+                case "test-case":
+                    try
+                    {
+                        if (!_refs.Remove(id))
+                        {
+                            // When test without starting
+                            CaseStartTest(id, flowId, parentId, testFlowId, fullName);
+                        }
+
+                        var result = testEvent.GetAttribute("result");
+                        if (string.IsNullOrEmpty(result))
+                        {
+                            break;
+                        }
+
+                        switch (result.ToLowerInvariant())
+                        {
+                            case "passed":
+                                OnTestFinished(testFlowId, testEvent, fullName);
+                                break;
+
+                            case "inconclusive":
+                                OnTestInconclusive(testFlowId, testEvent, fullName);
+                                break;
+
+                            case "skipped":
+                                OnTestSkipped(testFlowId, testEvent, fullName);
+                                break;
+
+                            case "failed":
+                                OnTestFailed(testFlowId, testEvent, fullName);
+                                break;
+                        }
+                    }
+                    finally
+                    {
+                        if (id != flowId && parentId != null)
+                        {
+                            OnFlowFinished(id);
+                        }
+                    }
+
+                    break;
+            }
+        }
+
+        private void CaseStartTest(string id, string flowId, string parentId, string testFlowId, string fullName)
+        {
+            if (id != flowId && parentId != null)
+            {
+                OnFlowStarted(id, flowId);
+            }
+
+            OnTestStart(testFlowId, fullName);
+        }
+
+        private void TestSuiteCase(string id, string parentId, string flowId, string fullName)
+        {
+            // NUnit 3 case
+            if (parentId == string.Empty)
+            {
+                OnRootSuiteFinish(flowId, fullName);
+            }
+
+            // NUnit 2 case
+            if (parentId == null)
+            {
+                if (--_blockCounter == 0)
+                {
+                    _rootFlowId = null;
+                    OnRootSuiteFinish(id, fullName);
+                }
+            }
+        }
+
+        private void StartSuiteCase(string id, string parentId, string flowId, string fullName)
+        {
+            // NUnit 3 case
+            if (parentId == string.Empty)
+            {
+                OnRootSuiteStart(flowId, fullName);
+            }
+
+            // NUnit 2 case
+            if (parentId == null)
+            {
+                if (_blockCounter++ == 0)
+                {
+                    _rootFlowId = id;
+                    OnRootSuiteStart(id, fullName);
+                }
+            }
+        }
+
+        private bool TryFindParentId(string id, out string parentId)
+        {
+            if (id == null)
+            {
+                throw new ArgumentNullException("id");
+            }
+
+            return _refs.TryGetValue(id, out parentId) && !string.IsNullOrEmpty(parentId);
+        }
+
+        private bool TryFindRootId(string id, out string rootId)
+        {
+            if (id == null)
+            {
+                throw new ArgumentNullException("id");
+            }
+
+            while (TryFindParentId(id, out rootId) && id != rootId)
+            {
+                id = rootId;
+            }
+
+            rootId = id;
+            return !string.IsNullOrEmpty(id);
+        }
+
+        private void TrySendOutput(string flowId, XmlNode message, string fullName)
+        {
+            if (message == null)
+            {
+                throw new ArgumentNullException("message");
+            }
+
+            var output = message.SelectSingleNode("output");
+            if (output == null)
+            {
+                return;
+            }
+
+            var outputStr = output.InnerText;
+            if (string.IsNullOrEmpty(outputStr))
+            {
+                return;
+            }
+
+            WriteLine("##teamcity[testStdOut name='{0}' out='{1}' flowId='{2}']", fullName, outputStr, flowId);
+        }
+
+        private void OnRootSuiteStart(string flowId, string assemblyName)
+        {
+            assemblyName = Path.GetFileName(assemblyName);
+            WriteLine("##teamcity[testSuiteStarted name='{0}' flowId='{1}']", assemblyName, flowId);
+        }
+
+        private void OnRootSuiteFinish(string flowId, string assemblyName)
+        {
+            assemblyName = Path.GetFileName(assemblyName);
+            WriteLine("##teamcity[testSuiteFinished name='{0}' flowId='{1}']", assemblyName, flowId);
+        }
+
+        private void OnFlowStarted(string flowId, string parentFlowId)
+        {
+            WriteLine("##teamcity[flowStarted flowId='{0}' parent='{1}']", flowId, parentFlowId);
+        }
+
+        private void OnFlowFinished(string flowId)
+        {
+            WriteLine("##teamcity[flowFinished flowId='{0}']", flowId);
+        }
+
+        private void OnTestStart(string flowId, string fullName)
+        {
+            WriteLine("##teamcity[testStarted name='{0}' captureStandardOutput='false' flowId='{1}']", fullName, flowId);
+        }
+
+        private void OnTestFinished(string flowId, XmlNode message, string fullName)
+        {
+            if (message == null)
+            {
+                throw new ArgumentNullException("message");
+            }
+
+            var durationStr = message.GetAttribute("duration");
+            double durationDecimal;
+            int durationMilliseconds = 0;
+            if (durationStr != null && double.TryParse(durationStr, NumberStyles.Any, CultureInfo.InvariantCulture, out durationDecimal))
+            {
+                durationMilliseconds = (int)(durationDecimal * 1000d);
+            }
+
+            TrySendOutput(flowId, message, fullName);
+            WriteLine(
+                "##teamcity[testFinished name='{0}' duration='{1}' flowId='{2}']",
+                fullName,
+                durationMilliseconds.ToString(),
+                flowId);
+        }
+
+        private void OnTestFailed(string flowId, XmlNode message, string fullName)
+        {
+            if (message == null)
+            {
+                throw new ArgumentNullException("message");
+            }
+
+            var errorMmessage = message.SelectSingleNode("failure/message");
+            var stackTrace = message.SelectSingleNode("failure/stack-trace");
+            WriteLine(
+                "##teamcity[testFailed name='{0}' message='{1}' details='{2}' flowId='{3}']",
+                fullName,
+                errorMmessage == null ? string.Empty : errorMmessage.InnerText,
+                stackTrace == null ? string.Empty : stackTrace.InnerText,
+                flowId);
+
+            OnTestFinished(flowId, message, fullName);
+        }
+
+        private void OnTestSkipped(string flowId, XmlNode message, string fullName)
+        {
+            if (message == null)
+            {
+                throw new ArgumentNullException("message");
+            }
+
+            TrySendOutput(flowId, message, fullName);
+            var reason = message.SelectSingleNode("reason/message");
+            WriteLine(
+                "##teamcity[testIgnored name='{0}' message='{1}' flowId='{2}']",
+                fullName,
+                reason == null ? string.Empty : reason.InnerText,
+                flowId);
+        }
+
+        private void OnTestInconclusive(string flowId, XmlNode message, string fullName)
+        {
+            if (message == null)
+            {
+                throw new ArgumentNullException("message");
+            }
+
+            TrySendOutput(flowId, message, fullName);
+            WriteLine(
+                "##teamcity[testIgnored name='{0}' message='{1}' flowId='{2}']",
+                fullName,
+                "Inconclusive",
+                flowId);
+        }
+
+        private void WriteLine(string format, params string[] arg)
+        {
+            if (format == null)
+            {
+                throw new ArgumentNullException("format");
+            }
+
+            if (arg == null)
+            {
+                throw new ArgumentNullException("arg");
+            }
+
+            var argObjects = new object[arg.Length];
+            for (var i = 0; i < arg.Length; i++)
+            {
+                var str = arg[i];
+                if (str != null)
+                {
+                    str = Escape(str);
+                }
+
+                argObjects[i] = str;
+            }
+
+            var message = string.Format(format, argObjects);
+            _outWriter.WriteLine(message);
+        }
+
+        private static string Escape(string input)
+        {
+            return input != null
+                ? input.Replace("|", "||")
+                       .Replace("'", "|'")
+                       .Replace("\n", "|n")
+                       .Replace("\r", "|r")
+                       .Replace(char.ConvertFromUtf32(int.Parse("0086", NumberStyles.HexNumber)), "|x")
+                       .Replace(char.ConvertFromUtf32(int.Parse("2028", NumberStyles.HexNumber)), "|l")
+                       .Replace(char.ConvertFromUtf32(int.Parse("2029", NumberStyles.HexNumber)), "|p")
+                       .Replace("[", "|[")
+                       .Replace("]", "|]")
+                : null;
+        }
+    }
+}

src/extension/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="NUnit.Engine.Api" version="3.5.0-CI-3064-master" targetFramework="net20" />
+</packages>

src/extension/teamcity-event-listener.csproj

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{A867079B-A172-4DAE-9549-63B331092A23}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>teamcity_event_listener</RootNamespace>
+    <AssemblyName>teamcity-event-listener</AssemblyName>
+    <TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>..\..\..\..\bin\Debug\addins\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>..\..\..\..\bin\Release\addins\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="nunit.engine.api, Version=3.0.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\NUnit.Engine.Api.3.5.0-CI-3064-master\lib\nunit.engine.api.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="TeamCityEventListener.cs" />
+    <Compile Include="SafeAttributeAccess.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>

src/tests/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("tests")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("tests")]
+[assembly: AssemblyCopyright("Copyright ©  2016")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("709aff60-b15e-43d5-830a-f22e4701d8b8")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

src/tests/TeamCityEventListenerTests.cs

@@ -0,0 +1,479 @@
+// ***********************************************************************
+// Copyright (c) 2015 Charlie Poole
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// ***********************************************************************
+
+using System.IO;
+using System.Text;
+using System.Xml;
+using NUnit.Framework;
+using NUnit.Engine.Extensibility;
+
+namespace NUnit.Engine.Listeners
+{
+    using System;
+
+    [TestFixture]
+    
+    public class TeamCityEventListenerTests
+    {
+        private StringBuilder _output;
+        private StringWriter _outputWriter;
+
+        [SetUp]
+        public void SetUp()
+        {
+            _output = new StringBuilder();
+            _outputWriter = new StringWriter(_output);            
+        }
+
+        [TearDown]
+        public void TearDown()
+        {
+            _outputWriter.Dispose();
+        }
+
+        [Test]
+        public void CheckExtensionAttribute()
+        {
+            Assert.That(typeof(TeamCityEventListener),
+                Has.Attribute<ExtensionAttribute>()
+                    .With.Property("EngineVersion").EqualTo("3.4")
+                    .And.Property("Enabled").EqualTo(false));
+        }
+
+        [Test]
+        public void ShouldSendMessagesWithValidFlowIdWhenParallelizedTestsFromNUnit3()
+        {
+            // Given
+            var publisher = CreateInstance();
+
+            // When
+            publisher.RegisterMessage(CreateStartRun(1));
+
+            // Assembly 1
+            publisher.RegisterMessage(CreateStartSuite("1-1", "", "aaa" + Path.DirectorySeparatorChar + "Assembly1"));
+            publisher.RegisterMessage(CreateStartSuite("1-2", "1-1", "Assembly1.Namespace1"));
+            publisher.RegisterMessage(CreateStartSuite("1-3", "1-2", "Assembly1.Namespace1.1"));
+
+            // Assembly 2
+            publisher.RegisterMessage(CreateStartSuite("1-6", "", "ddd" + Path.DirectorySeparatorChar + "Assembly2"));
+            publisher.RegisterMessage(CreateStartSuite("1-7", "1-6", "Assembly2.Namespace2"));
+
+            // Test Assembly1.Namespace1.1.Test1
+            publisher.RegisterMessage(CreateStartTest("1-4", "1-3", "Assembly1.Namespace1.1.Test1"));
+            publisher.RegisterMessage(CreateTestCaseSuccessful("1-4", "1-3", "Assembly1.Namespace1.1.Test1", "0.1", "Text output"));
+
+            // Test Assembly2.Namespace2.1.Test1
+            publisher.RegisterMessage(CreateStartTest("1-8", "1-7", "Assembly2.Namespace2.1.Test1"));
+            publisher.RegisterMessage(CreateTestCaseSuccessful("1-8", "1-8", "Assembly2.Namespace2.1.Test1", "0.1", "Text output"));
+
+            // Test Assembly1.Namespace1.1.Test2
+            publisher.RegisterMessage(CreateStartTest("1-5", "1-3", "Assembly1.Namespace1.1.Test2"));
+            publisher.RegisterMessage(CreateTestCaseFailed("1-5", "1-3", "Assembly1.Namespace1.1.Test2", "0.2", "Error output", "Stack trace"));
+
+            publisher.RegisterMessage(CreateFinishSuite("1-7", "1-6", "Assembly2.Namespace2"));
+            publisher.RegisterMessage(CreateFinishSuite("1-6", "", "Assembly2"));
+
+            publisher.RegisterMessage(CreateFinishSuite("1-3", "1-2",  "Assembly1.Namespace1.1"));
+            publisher.RegisterMessage(CreateFinishSuite("1-2", "1-1", "Assembly1.Namespace1"));
+            publisher.RegisterMessage(CreateFinishSuite("1-1", "", "Assembly1"));
+                        
+            publisher.RegisterMessage(CreateTestRun());
+
+            // Then
+            Assert.AreEqual(                
+                "##teamcity[testSuiteStarted name='Assembly1' flowId='1-1']" + Environment.NewLine
+                + "##teamcity[testSuiteStarted name='Assembly2' flowId='1-6']" + Environment.NewLine
+                
+                + "##teamcity[flowStarted flowId='1-4' parent='1-1']" + Environment.NewLine
+                + "##teamcity[testStarted name='Assembly1.Namespace1.1.Test1' captureStandardOutput='false' flowId='1-4']" + Environment.NewLine
+                + "##teamcity[testStdOut name='Assembly1.Namespace1.1.Test1' out='Text output' flowId='1-4']" + Environment.NewLine
+                + "##teamcity[testFinished name='Assembly1.Namespace1.1.Test1' duration='100' flowId='1-4']" + Environment.NewLine
+                + "##teamcity[flowFinished flowId='1-4']" + Environment.NewLine
+
+                + "##teamcity[flowStarted flowId='1-8' parent='1-6']" + Environment.NewLine
+                + "##teamcity[testStarted name='Assembly2.Namespace2.1.Test1' captureStandardOutput='false' flowId='1-8']" + Environment.NewLine
+                + "##teamcity[testStdOut name='Assembly2.Namespace2.1.Test1' out='Text output' flowId='1-8']" + Environment.NewLine
+                + "##teamcity[testFinished name='Assembly2.Namespace2.1.Test1' duration='100' flowId='1-8']" + Environment.NewLine
+                + "##teamcity[flowFinished flowId='1-8']" + Environment.NewLine
+
+                + "##teamcity[flowStarted flowId='1-5' parent='1-1']" + Environment.NewLine
+                + "##teamcity[testStarted name='Assembly1.Namespace1.1.Test2' captureStandardOutput='false' flowId='1-5']" + Environment.NewLine
+                + "##teamcity[testFailed name='Assembly1.Namespace1.1.Test2' message='Error output' details='Stack trace' flowId='1-5']" + Environment.NewLine
+                + "##teamcity[testFinished name='Assembly1.Namespace1.1.Test2' duration='200' flowId='1-5']" + Environment.NewLine
+                + "##teamcity[flowFinished flowId='1-5']" + Environment.NewLine
+
+                + "##teamcity[testSuiteFinished name='Assembly2' flowId='1-6']" + Environment.NewLine
+                + "##teamcity[testSuiteFinished name='Assembly1' flowId='1-1']" + Environment.NewLine,
+                _output.ToString());
+        }
+
+        [Test]
+        public void ShouldSendMessagesWithValidFlowIdWhenHas1SuiteFromNUnit3()
+        {
+            // Given
+            var publisher = CreateInstance();
+
+            // When
+            publisher.RegisterMessage(CreateStartRun(1));
+
+            // Assembly 1
+            publisher.RegisterMessage(CreateStartSuite("1-1", "", "aaa" + Path.DirectorySeparatorChar + "Assembly1"));
+            
+            // Test Assembly1.Namespace1.1.Test1
+            publisher.RegisterMessage(CreateStartTest("1-2", "1-1", "Assembly1.Namespace1.1.Test1"));
+            publisher.RegisterMessage(CreateTestCaseSuccessful("1-2", "1-1", "Assembly1.Namespace1.1.Test1", "0.1", "Text output"));
+
+            publisher.RegisterMessage(CreateFinishSuite("1-1", "", "Assembly1"));
+
+            publisher.RegisterMessage(CreateTestRun());
+
+            // Then
+            Assert.AreEqual(                
+                "##teamcity[testSuiteStarted name='Assembly1' flowId='1-1']" + Environment.NewLine
+
+                + "##teamcity[flowStarted flowId='1-2' parent='1-1']" + Environment.NewLine
+                + "##teamcity[testStarted name='Assembly1.Namespace1.1.Test1' captureStandardOutput='false' flowId='1-2']" + Environment.NewLine
+                + "##teamcity[testStdOut name='Assembly1.Namespace1.1.Test1' out='Text output' flowId='1-2']" + Environment.NewLine
+                + "##teamcity[testFinished name='Assembly1.Namespace1.1.Test1' duration='100' flowId='1-2']" + Environment.NewLine
+                + "##teamcity[flowFinished flowId='1-2']" + Environment.NewLine
+
+                + "##teamcity[testSuiteFinished name='Assembly1' flowId='1-1']" + Environment.NewLine,
+                _output.ToString());
+        }
+
+        [Test]
+        public void ShouldSendMessagesWithValidFlowIdWhenHasNoSuiteFromNUnit3()
+        {
+            // Given
+            var publisher = CreateInstance();
+
+            // When
+            publisher.RegisterMessage(CreateStartRun(1));
+
+            // Test Assembly1.Namespace1.1.Test1
+            publisher.RegisterMessage(CreateStartTest("1-1", "", "Assembly1.Namespace1.1.Test1"));
+            publisher.RegisterMessage(CreateTestCaseSuccessful("1-1", "", "Assembly1.Namespace1.1.Test1", "0.1", "Text output"));
+
+            publisher.RegisterMessage(CreateTestRun());
+
+            // Then
+            Assert.AreEqual(                
+                "##teamcity[testStarted name='Assembly1.Namespace1.1.Test1' captureStandardOutput='false' flowId='1-1']" + Environment.NewLine
+                + "##teamcity[testStdOut name='Assembly1.Namespace1.1.Test1' out='Text output' flowId='1-1']" + Environment.NewLine
+                + "##teamcity[testFinished name='Assembly1.Namespace1.1.Test1' duration='100' flowId='1-1']" + Environment.NewLine,
+                _output.ToString());
+        }
+
+        [Test]
+        public void ShouldSendMessagesWithValidFlowIdWhenOutputIsEmpty()
+        {
+            // Given
+            var publisher = CreateInstance();
+
+            // When
+            publisher.RegisterMessage(CreateStartRun(1));
+
+            // Test Assembly1.Namespace1.1.Test1
+            publisher.RegisterMessage(CreateStartTest("1-1", "", "Assembly1.Namespace1.1.Test1"));
+            publisher.RegisterMessage(CreateTestCaseSuccessful("1-1", "", "Assembly1.Namespace1.1.Test1", "0.1", ""));
+
+            publisher.RegisterMessage(CreateTestRun());
+
+            // Then
+            Assert.AreEqual(                
+                "##teamcity[testStarted name='Assembly1.Namespace1.1.Test1' captureStandardOutput='false' flowId='1-1']" + Environment.NewLine
+                + "##teamcity[testFinished name='Assembly1.Namespace1.1.Test1' duration='100' flowId='1-1']" + Environment.NewLine,
+                _output.ToString());
+        }
+
+        [Test]
+        public void ShouldSendMessagesWithValidFlowIdWhenHasNoOutput()
+        {
+            // Given
+            var publisher = CreateInstance();
+
+            // When
+            publisher.RegisterMessage(CreateStartRun(1));
+
+            // Test Assembly1.Namespace1.1.Test1
+            publisher.RegisterMessage(CreateStartTest("1-1", "", "Assembly1.Namespace1.1.Test1"));
+            publisher.RegisterMessage(CreateTestCaseSuccessful("1-1", "", "Assembly1.Namespace1.1.Test1", "10", null));
+
+            publisher.RegisterMessage(CreateTestRun());
+
+            // Then
+            Assert.AreEqual(                
+                "##teamcity[testStarted name='Assembly1.Namespace1.1.Test1' captureStandardOutput='false' flowId='1-1']" + Environment.NewLine
+                + "##teamcity[testFinished name='Assembly1.Namespace1.1.Test1' duration='10000' flowId='1-1']" + Environment.NewLine,
+                _output.ToString());
+        }
+
+        [Test]
+        public void ShouldSendMessagesWithValidFlowIdWhenTestsFromNUnit2()
+        {
+            // Given
+            var publisher = CreateInstance();
+
+            // When
+            publisher.RegisterMessage(CreateStartRun(1));
+
+            // Assembly 1
+            publisher.RegisterMessage(CreateStartSuite("1-1", null, "aaa" + Path.DirectorySeparatorChar + "Assembly1"));
+            publisher.RegisterMessage(CreateStartSuite("1-2", null, "Assembly1.Namespace1"));
+            publisher.RegisterMessage(CreateStartSuite("1-3", null, "Assembly1.Namespace1.1"));
+            
+            // Test Assembly1.Namespace1.1.Test1
+            publisher.RegisterMessage(CreateStartTest("1-4", null, "Assembly1.Namespace1.1.Test1"));
+            publisher.RegisterMessage(CreateTestCaseSuccessful("1-4", null, "Assembly1.Namespace1.1.Test1", "0.1", "Text output"));
+            
+            // Test Assembly1.Namespace1.1.Test2
+            publisher.RegisterMessage(CreateStartTest("1-5", null, "Assembly1.Namespace1.1.Test2"));
+            publisher.RegisterMessage(CreateTestCaseFailed("1-5", null, "Assembly1.Namespace1.1.Test2", "0.2", "Error output", "Stack trace"));
+            
+            publisher.RegisterMessage(CreateFinishSuite("1-3", null, "Assembly1.Namespace1.1"));
+            publisher.RegisterMessage(CreateFinishSuite("1-2", null, "Assembly1.Namespace1"));
+            publisher.RegisterMessage(CreateFinishSuite("1-1", null, "Assembly1"));
+
+            // Assembly 2
+            publisher.RegisterMessage(CreateStartSuite("1-6", null, "ddd//Assembly2"));
+            publisher.RegisterMessage(CreateStartSuite("1-7", null, "Assembly2.Namespace2"));
+
+            // Test Assembly2.Namespace2.1.Test1
+            publisher.RegisterMessage(CreateStartTest("1-8", null, "Assembly2.Namespace2.1.Test1"));
+            publisher.RegisterMessage(CreateTestCaseSuccessful("1-8", null, "Assembly2.Namespace2.1.Test1", "0.3", "Text output"));
+
+            publisher.RegisterMessage(CreateFinishSuite("1-7", null, "Assembly2.Namespace2"));
+            publisher.RegisterMessage(CreateFinishSuite("1-6", null, "Assembly2"));
+
+            publisher.RegisterMessage(CreateTestRun());
+
+            // Then
+            Assert.AreEqual(                
+                "##teamcity[testSuiteStarted name='Assembly1' flowId='1-1']" + Environment.NewLine
+
+                + "##teamcity[testStarted name='Assembly1.Namespace1.1.Test1' captureStandardOutput='false' flowId='1-1']" + Environment.NewLine
+                + "##teamcity[testStdOut name='Assembly1.Namespace1.1.Test1' out='Text output' flowId='1-1']" + Environment.NewLine
+                + "##teamcity[testFinished name='Assembly1.Namespace1.1.Test1' duration='100' flowId='1-1']" + Environment.NewLine
+
+                + "##teamcity[testStarted name='Assembly1.Namespace1.1.Test2' captureStandardOutput='false' flowId='1-1']" + Environment.NewLine
+                + "##teamcity[testFailed name='Assembly1.Namespace1.1.Test2' message='Error output' details='Stack trace' flowId='1-1']" + Environment.NewLine
+                + "##teamcity[testFinished name='Assembly1.Namespace1.1.Test2' duration='200' flowId='1-1']" + Environment.NewLine
+
+                + "##teamcity[testSuiteFinished name='Assembly1' flowId='1-1']" + Environment.NewLine
+                
+                + "##teamcity[testSuiteStarted name='Assembly2' flowId='1-6']" + Environment.NewLine
+                + "##teamcity[testStarted name='Assembly2.Namespace2.1.Test1' captureStandardOutput='false' flowId='1-6']" + Environment.NewLine
+                + "##teamcity[testStdOut name='Assembly2.Namespace2.1.Test1' out='Text output' flowId='1-6']" + Environment.NewLine
+                + "##teamcity[testFinished name='Assembly2.Namespace2.1.Test1' duration='300' flowId='1-6']" + Environment.NewLine
+
+                + "##teamcity[testSuiteFinished name='Assembly2' flowId='1-6']" + Environment.NewLine,
+                _output.ToString());
+        }
+
+        [Test]
+        public void ShouldSendMessagesWithValidFlowIdWhenHas1SuiteFromNUnit2()
+        {
+            // Given
+            var publisher = CreateInstance();
+
+            // When
+            publisher.RegisterMessage(CreateStartRun(1));
+
+            // Assembly 1
+            publisher.RegisterMessage(CreateStartSuite("1-1", null, "aaa" + Path.DirectorySeparatorChar + "Assembly1"));
+
+            // Test Assembly1.Namespace1.1.Test1
+            publisher.RegisterMessage(CreateStartTest("1-2", null, "Assembly1.Namespace1.1.Test1"));
+            publisher.RegisterMessage(CreateTestCaseSuccessful("1-2", null, "Assembly1.Namespace1.1.Test1", "1.3", "Text output"));
+
+            publisher.RegisterMessage(CreateFinishSuite("1-1", null, "Assembly1"));
+
+            publisher.RegisterMessage(CreateTestRun());
+
+            // Then
+            Assert.AreEqual(                
+                "##teamcity[testSuiteStarted name='Assembly1' flowId='1-1']" + Environment.NewLine
+
+                + "##teamcity[testStarted name='Assembly1.Namespace1.1.Test1' captureStandardOutput='false' flowId='1-1']" + Environment.NewLine
+                + "##teamcity[testStdOut name='Assembly1.Namespace1.1.Test1' out='Text output' flowId='1-1']" + Environment.NewLine
+                + "##teamcity[testFinished name='Assembly1.Namespace1.1.Test1' duration='1300' flowId='1-1']" + Environment.NewLine
+                
+                + "##teamcity[testSuiteFinished name='Assembly1' flowId='1-1']" + Environment.NewLine,
+                _output.ToString());
+        }
+
+        [Test]
+        public void ShouldSendMessagesWithValidFlowIdWhenHasNoSuiteFromNUnit2()
+        {
+            // Given
+            var publisher = CreateInstance();
+
+            // When
+            publisher.RegisterMessage(CreateStartRun(1));
+
+            // Test Assembly1.Namespace1.1.Test1
+            publisher.RegisterMessage(CreateStartTest("1-1", null, "Assembly1.Namespace1.1.Test1"));
+            publisher.RegisterMessage(CreateTestCaseSuccessful("1-1", null, "Assembly1.Namespace1.1.Test1", "0.1", "Text output"));
+
+            publisher.RegisterMessage(CreateTestRun());
+
+            // Then
+            Assert.AreEqual(                
+                "##teamcity[testStarted name='Assembly1.Namespace1.1.Test1' captureStandardOutput='false' flowId='1-1']" + Environment.NewLine
+                + "##teamcity[testStdOut name='Assembly1.Namespace1.1.Test1' out='Text output' flowId='1-1']" + Environment.NewLine
+                + "##teamcity[testFinished name='Assembly1.Namespace1.1.Test1' duration='100' flowId='1-1']" + Environment.NewLine,
+                _output.ToString());
+        }
+
+        [Test]
+        public void ShouldSendMessagesWhenOneTimeSetUpFailedFromNUnit3()
+        {
+            // Given
+            var publisher = CreateInstance();
+
+            // When
+            publisher.RegisterMessage(CreateStartRun(1));
+
+            // Assembly 1
+            publisher.RegisterMessage(CreateStartSuite("1-1", "", "aaa" + Path.DirectorySeparatorChar + "Assembly1"));
+
+            // Test Assembly1.Namespace1.1.Test1
+            publisher.RegisterMessage(CreateTestCaseFailed("1-2", "1-1", "Assembly1.Namespace1.1.Test1", "0.1", "Error output", "Stack trace"));
+
+            publisher.RegisterMessage(CreateFinishSuite("1-1", "", "Assembly1"));
+
+            publisher.RegisterMessage(CreateTestRun());
+
+            // Then
+            Assert.AreEqual(
+                "##teamcity[testSuiteStarted name='Assembly1' flowId='1-1']" + Environment.NewLine
+
+                + "##teamcity[flowStarted flowId='1-2' parent='1-1']" + Environment.NewLine
+                + "##teamcity[testStarted name='Assembly1.Namespace1.1.Test1' captureStandardOutput='false' flowId='1-2']" + Environment.NewLine
+                + "##teamcity[testFailed name='Assembly1.Namespace1.1.Test1' message='Error output' details='Stack trace' flowId='1-2']" + Environment.NewLine
+                + "##teamcity[testFinished name='Assembly1.Namespace1.1.Test1' duration='100' flowId='1-2']" + Environment.NewLine
+                + "##teamcity[flowFinished flowId='1-2']" + Environment.NewLine
+
+                + "##teamcity[testSuiteFinished name='Assembly1' flowId='1-1']" + Environment.NewLine,
+                _output.ToString());
+        }
+
+        [Test]
+        public void ShouldSendMessagesWhenOneTimeSetUpFailedFromNUnit2()
+        {
+            // Given
+            var publisher = CreateInstance();
+
+            // When
+            publisher.RegisterMessage(CreateStartRun(1));
+
+            // Assembly 1
+            publisher.RegisterMessage(CreateStartSuite("1-1", null, "aaa" + Path.DirectorySeparatorChar + "Assembly1"));
+
+            // Test Assembly1.Namespace1.1.Test1
+            publisher.RegisterMessage(CreateTestCaseFailed("1-2", null, "Assembly1.Namespace1.1.Test1", "0.1", "Error output", "Stack trace"));
+
+            publisher.RegisterMessage(CreateFinishSuite("1-1", null, "Assembly1"));
+
+            publisher.RegisterMessage(CreateTestRun());
+
+            // Then
+            Assert.AreEqual(
+                "##teamcity[testSuiteStarted name='Assembly1' flowId='1-1']" + Environment.NewLine
+
+                + "##teamcity[testStarted name='Assembly1.Namespace1.1.Test1' captureStandardOutput='false' flowId='1-1']" + Environment.NewLine
+                + "##teamcity[testFailed name='Assembly1.Namespace1.1.Test1' message='Error output' details='Stack trace' flowId='1-1']" + Environment.NewLine
+                + "##teamcity[testFinished name='Assembly1.Namespace1.1.Test1' duration='100' flowId='1-1']" + Environment.NewLine
+                
+                + "##teamcity[testSuiteFinished name='Assembly1' flowId='1-1']" + Environment.NewLine,
+                _output.ToString());
+        }
+
+        private static XmlNode CreateMessage(string text)
+        {
+            var doc = new XmlDocument();
+            doc.LoadXml(text);
+            return doc.FirstChild;
+        }
+
+        private static XmlNode CreateStartRun(int count)
+        {
+            return CreateMessage(string.Format("<start-run count='{0}'/>", count));
+        }
+
+        private static XmlNode CreateTestRun()
+        {
+            return CreateMessage("<test-run></test-run>");
+        }
+
+        private static XmlNode CreateStartSuite(string id, string parentId, string name)
+        {
+            return CreateMessage(string.Format("<start-suite id=\"{0}\" {1} name=\"{2}\" fullname=\"{2}\"/>", id, GetNamedAttr("parentId", parentId), name));
+        }
+
+        private static XmlNode CreateFinishSuite(string id, string parentId, string name)
+        {
+            return CreateMessage(string.Format("<test-suite id=\"{0}\" {1} name=\"{2}\" fullname=\"{2}\" runstate=\"Runnable\" testcasecount=\"3\" result=\"Failed\" duration=\"0.251125\" total=\"3\" passed=\"0\" failed=\"0\" inconclusive=\"0\" skipped=\"0\" asserts=\"0\"><failure><message><![CDATA[One or more child tests had errors]]></message></failure></test-suite>", id, GetNamedAttr("parentId", parentId), name));
+        }
+
+        private static XmlNode CreateStartTest(string id, string parentId, string name)
+        {
+            return CreateMessage(string.Format("<start-test id=\"{0}\" {1} name=\"{2}\" fullname=\"{2}\"/>", id, GetNamedAttr("parentId", parentId), name));
+        }
+
+        private static XmlNode CreateTestCaseSuccessful(string id, string parentId, string name, string duration, string output)
+        {
+            return CreateMessage(string.Format("<test-case id=\"{0}\" {1} name=\"{2}\" fullname=\"{2}\" runstate=\"Runnable\" result=\"Passed\" duration=\"{3}\" asserts=\"0\">{4}</test-case>", id, GetNamedAttr("parentId", parentId), name, duration, GetNamedElement("output", output)));
+        }
+
+        private static XmlNode CreateTestCaseFailed(string id, string parentId, string name, string duration, string message, string stackTrace)
+        {
+            return CreateMessage(string.Format("<test-case id=\"{0}\" {1} name=\"{2}\" fullname=\"{2}\" runstate=\"Runnable\" result=\"Failed\" duration=\"{3}\" asserts=\"0\"><properties><property name=\"_CATEGORIES\" value=\"F\" /></properties><failure><message><![CDATA[{4}]]></message><stack-trace><![CDATA[{5}]]></stack-trace></failure></test-case>", id, GetNamedAttr("parentId", parentId), name, duration, message, stackTrace));
+        }
+
+        private TeamCityEventListener CreateInstance()
+        {
+            return new TeamCityEventListener(_outputWriter);
+        }
+
+        private static string GetNamedAttr(string attrName, string attrValue)
+        {
+            if (attrValue == null)
+            {
+                return string.Empty;
+            }
+
+            return string.Format("{0}=\"{1}\"", attrName, attrValue);
+        }
+
+        private static string GetNamedElement(string elementName, string elementValue)
+        {
+            if (elementValue == null)
+            {
+                return string.Empty;
+            }
+
+            return string.Format("<{0}>{1}</{0}>", elementName, elementValue);
+        }
+    }
+}

src/tests/packages.config

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="NUnit" version="3.4.1" targetFramework="net20" />
+  <package id="NUnit.Engine.Api" version="3.5.0-CI-3064-master" targetFramework="net20" />
+</packages>

src/tests/teamcity-event-listener.tests.csproj

@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{709AFF60-B15E-43D5-830A-F22E4701D8B8}</ProjectGuid>
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