add testing packages and wire them into Test Centre.

Rename name spaces in CLI and test folder for saving image test.

DeathSocketCLI/Commands.fs

@@ -3,7 +3,7 @@
     module ConsoleCommands =
         open System
         open DeathSocket.GridPainter
-        open Validation
+        open DeathSocket.Validation
         open System.IO
         open Console.Waterworks
         open Console.Waterworks.Attributes

DeathSocketCLI/Validation.fs

@@ -1,4 +1,4 @@
-module Validation
+module DeathSocket.Validation
 
     open DeathSocket
     open System.Drawing

TestCentre/ConsoleTests.fs

@@ -0,0 +1,27 @@
+namespace ConsoleTests
+
+    module PropertyTests =
+
+        open System
+        open FsCheck.Xunit
+        open DeathSocket.Validation
+
+        [<Property>]
+        let ``Setting pen width greater than 0`` () =
+            (setPenWidth (Random().Next()) (Random().Next())) > 0.0f
+
+    module UnitTests =
+
+        open Xunit
+        open DeathSocket.Validation
+        open System.IO
+
+        let saveLocation = __SOURCE_DIRECTORY__ + "/SavingTestArea/"
+
+        [<Fact>]
+        let ``Saving Test Area can be located`` () =
+            Assert.True (Directory.Exists saveLocation)
+
+        [<Fact>]
+        let ``Colour list is not empty`` () =
+           Assert.False (colourList.IsEmpty)

TestCentre/Library1.fs

@@ -1,4 +0,0 @@
-namespace TestCentre
-
-type Class1() = 
-    member this.X = "F#"

TestCentre/TestCentre.fsproj

@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\xunit.core.2.4.0\build\xunit.core.props" Condition="Exists('..\packages\xunit.core.2.4.0\build\xunit.core.props')" />
+  <Import Project="..\packages\xunit.runner.visualstudio.2.4.0\build\net20\xunit.runner.visualstudio.props" Condition="Exists('..\packages\xunit.runner.visualstudio.2.4.0\build\net20\xunit.runner.visualstudio.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -13,6 +15,8 @@
     <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
     <Name>TestCentre</Name>
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -42,21 +46,40 @@
   <Import Project="$(FSharpTargetsPath)" />
   <ItemGroup>
     <Compile Include="AssemblyInfo.fs" />
-    <Compile Include="Library1.fs" />
+    <Compile Include="ConsoleTests.fs" />
     <None Include="Script.fsx" />
     <Content Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
+    <Reference Include="FsCheck">
+      <HintPath>..\packages\FsCheck.2.11.0\lib\net452\FsCheck.dll</HintPath>
+    </Reference>
+    <Reference Include="FsCheck.Xunit">
+      <HintPath>..\packages\FsCheck.Xunit.2.11.0\lib\net452\FsCheck.Xunit.dll</HintPath>
+    </Reference>
     <Reference Include="FSharp.Core">
       <HintPath>..\packages\FSharp.Core.4.5.2\lib\net45\FSharp.Core.dll</HintPath>
     </Reference>
     <Reference Include="mscorlib" />
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Drawing" />
     <Reference Include="System.Numerics" />
     <Reference Include="System.ValueTuple">
       <Private>True</Private>
     </Reference>
+    <Reference Include="xunit.abstractions">
+      <HintPath>..\packages\xunit.abstractions.2.0.3\lib\net35\xunit.abstractions.dll</HintPath>
+    </Reference>
+    <Reference Include="xunit.assert">
+      <HintPath>..\packages\xunit.assert.2.4.0\lib\netstandard2.0\xunit.assert.dll</HintPath>
+    </Reference>
+    <Reference Include="xunit.core">
+      <HintPath>..\packages\xunit.extensibility.core.2.4.0\lib\net452\xunit.core.dll</HintPath>
+    </Reference>
+    <Reference Include="xunit.execution.desktop">
+      <HintPath>..\packages\xunit.extensibility.execution.2.4.0\lib\net452\xunit.execution.desktop.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\DeathSocketCLI\DeathSocketCLI.fsproj">
@@ -70,6 +93,15 @@
       <Private>True</Private>
     </ProjectReference>
   </ItemGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\xunit.runner.visualstudio.2.4.0\build\net20\xunit.runner.visualstudio.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\xunit.runner.visualstudio.2.4.0\build\net20\xunit.runner.visualstudio.props'))" />
+    <Error Condition="!Exists('..\packages\xunit.core.2.4.0\build\xunit.core.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\xunit.core.2.4.0\build\xunit.core.props'))" />
+    <Error Condition="!Exists('..\packages\xunit.core.2.4.0\build\xunit.core.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\xunit.core.2.4.0\build\xunit.core.targets'))" />
+  </Target>
+  <Import Project="..\packages\xunit.core.2.4.0\build\xunit.core.targets" Condition="Exists('..\packages\xunit.core.2.4.0\build\xunit.core.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">

TestCentre/packages.config

@@ -1,5 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="FsCheck" version="2.11.0" targetFramework="net471" />
+  <package id="FsCheck.Xunit" version="2.11.0" targetFramework="net471" />
   <package id="FSharp.Core" version="4.5.2" targetFramework="net471" />
-  <package id="System.ValueTuple" version="4.4.0" targetFramework="net471" />
+  <package id="System.ValueTuple" version="4.5.0" targetFramework="net471" />
+  <package id="xunit" version="2.4.0" targetFramework="net471" />
+  <package id="xunit.abstractions" version="2.0.3" targetFramework="net471" />
+  <package id="xunit.analyzers" version="0.10.0" targetFramework="net471" />
+  <package id="xunit.assert" version="2.4.0" targetFramework="net471" />
+  <package id="xunit.core" version="2.4.0" targetFramework="net471" />
+  <package id="xunit.extensibility.core" version="2.4.0" targetFramework="net471" />
+  <package id="xunit.extensibility.execution" version="2.4.0" targetFramework="net471" />
+  <package id="xunit.runner.visualstudio" version="2.4.0" targetFramework="net471" developmentDependency="true" />
 </packages>