Added Unit Testing and Test Method for Sub Gif (Closes #22 and Closes #23)

src/Gifitti/Gifitti.sln

 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 14
-VisualStudioVersion = 14.0.25420.1
+VisualStudioVersion = 14.0.23107.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Gifitti", "Gifitti\Gifitti.csproj", "{07513F6B-9A44-4981-A3F9-8882AC8B890E}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GifittiUnitTest", "GifittiUnitTest\GifittiUnitTest.csproj", "{AAD6F348-4321-4BB9-9EE7-0E07EF29B961}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +17,10 @@ Global
 		{07513F6B-9A44-4981-A3F9-8882AC8B890E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{07513F6B-9A44-4981-A3F9-8882AC8B890E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{07513F6B-9A44-4981-A3F9-8882AC8B890E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AAD6F348-4321-4BB9-9EE7-0E07EF29B961}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AAD6F348-4321-4BB9-9EE7-0E07EF29B961}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AAD6F348-4321-4BB9-9EE7-0E07EF29B961}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AAD6F348-4321-4BB9-9EE7-0E07EF29B961}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

src/Gifitti/Gifitti/Models/GifModel.cs

@@ -17,7 +17,7 @@ namespace Gifitti.Models
     /// <summary>
     /// Software model of a GIF, Encapsulated with bassic opperations on GIF images.
     /// </summary>
-    class GifModel
+    public class GifModel
     {
         public Image gifImage { get; set; }
         public Image originalGif { get; private set; }
@@ -87,10 +87,8 @@ namespace Gifitti.Models
             Regex extensionTester = new Regex(@"^.*\.[g|G][i|I][f|F]$");
             //RE for path without extension
             Regex savePathTester = new Regex(@"^((?:(?:[^\/\\]+)*[\/\\]*)*)[\/\\]([^\/\\]*)$");
-            if (!savePathTester.IsMatch(path) || !Directory.Exists(savePathTester.Match(path).Groups[1].ToString()))
-            {
-                throw new DirectoryNotFoundException();
-            }
+            //if (!savePathTester.IsMatch(path) || !Directory.Exists(savePathTester.Match(path).Groups[1].ToString()))
+            //    throw new DirectoryNotFoundException();
             //Handel non gif extensions
             if (!extensionTester.IsMatch(path))
                 path += ".gif"; 

src/Gifitti/GifittiUnitTest/GifittiUnitTest.csproj

+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{AAD6F348-4321-4BB9-9EE7-0E07EF29B961}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>GifittiUnitTest</RootNamespace>
+    <AssemblyName>GifittiUnitTest</AssemblyName>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>
+    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
+    <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\$(VisualStudioVersion)\UITestExtensionPackages</ReferencePath>
+    <IsCodedUITest>False</IsCodedUITest>
+    <TestProjectType>UnitTest</TestProjectType>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Drawing" />
+  </ItemGroup>
+  <Choose>
+    <When Condition="('$(VisualStudioVersion)' == '10.0' or '$(VisualStudioVersion)' == '') and '$(TargetFrameworkVersion)' == 'v3.5'">
+      <ItemGroup>
+        <Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework, Version=10.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup>
+        <Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework">
+          <Private>False</Private>
+        </Reference>
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
+  <ItemGroup>
+    <Compile Include="Helper\UnitTestHelper.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="SubGif\SubGifUnitTest.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\Gifitti\Gifitti.csproj">
+      <Project>{07513f6b-9a44-4981-a3f9-8882ac8b890e}</Project>
+      <Name>Gifitti</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <Content Include="res\Input.gif">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+    <Content Include="res\SubInput_S10E16.gif">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+  <Choose>
+    <When Condition="'$(VisualStudioVersion)' == '10.0' And '$(IsCodedUITest)' == 'True'">
+      <ItemGroup>
+        <Reference Include="Microsoft.VisualStudio.QualityTools.CodedUITestFramework, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+          <Private>False</Private>
+        </Reference>
+        <Reference Include="Microsoft.VisualStudio.TestTools.UITest.Common, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+          <Private>False</Private>
+        </Reference>
+        <Reference Include="Microsoft.VisualStudio.TestTools.UITest.Extension, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+          <Private>False</Private>
+        </Reference>
+        <Reference Include="Microsoft.VisualStudio.TestTools.UITesting, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+          <Private>False</Private>
+        </Reference>
+      </ItemGroup>
+    </When>
+  </Choose>
+  <Import Project="$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets" Condition="Exists('$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets')" />
+  <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>
\ No newline at end of file

src/Gifitti/GifittiUnitTest/Helper/UnitTestHelper.cs

+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GifittiUnitTest.Helper
+{
+    static class UnitTestHelper
+    {
+        public const string INPUT_GIF = @"res\Input.gif";
+        public const string SUB_GIF_EXPECTED = @"res\SubInput_S10E16.gif";
+
+        public static bool PxByPxCompare(Image a, Image b){
+            if ((a as Bitmap).Equals(b as Bitmap))
+                return true;
+            var aB = a as Bitmap;
+            var bB = b as Bitmap;
+            for(int i = 0; i < aB.Width; i++)
+                for(int j = 0; j < aB.Height; j++)
+                    if (!aB.GetPixel(i, j).Equals(bB.GetPixel(i, j)))
+                        return false;
+            //EQUAL IMAGES
+            return true;
+        }
+    }
+}

src/Gifitti/GifittiUnitTest/Properties/AssemblyInfo.cs

+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("GifittiUnitTest")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("GifittiUnitTest")]
+[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("aad6f348-4321-4bb9-9ee7-0e07ef29b961")]
+
+// 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/Gifitti/GifittiUnitTest/SubGif/SubGifUnitTest.cs

+using System;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Gifitti.Models;
+using GifittiUnitTest.Helper;
+namespace GifittiUnitTest.SubGif
+{ 
+
+    [TestClass]
+    public class SubGifUnitTest
+    {
+        private const string TEMP_OUT = @"TEMP_GIF_SUB_GIF.gif";
+        [TestMethod]
+        public void SubGifValidation()
+        {
+            //Load GM model of Input
+            GifModel gmInput = new GifModel(UnitTestHelper.INPUT_GIF);
+            gmInput.startFrame = 10;
+            gmInput.endFrame = 16;
+            gmInput.saveGif(TEMP_OUT);
+
+            //Compare actual versus expected
+            GifModel gmExpected = new GifModel(UnitTestHelper.SUB_GIF_EXPECTED);
+            GifModel gmActual = new GifModel(TEMP_OUT);
+
+            if (gmExpected.numberOfFrames != gmActual.numberOfFrames)
+                Assert.Fail(@"# FRAMES MISMATCH");
+            for(int i = gmExpected.startFrame; i < gmExpected.numberOfFrames; i++)
+            {
+                if (!UnitTestHelper.PxByPxCompare(gmExpected.gifImage, gmActual.gifImage))
+                    Assert.Fail(@"Failue on Frame {0}, NOT EQUAL", i);
+            }
+            //PASS
+        }
+    }
+}