Add rdiff.net.exe command line wrapper for librsync.net

librsync.net.sln

@@ -1,12 +1,16 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 14
-VisualStudioVersion = 14.0.22823.1
+VisualStudioVersion = 14.0.23107.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "librsync.net", "librsync.net\librsync.net.csproj", "{0B6D94BD-5BFE-49AE-A83D-C504FB504C4C}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "librsyncTest", "librsyncTest\librsyncTest.csproj", "{44941F98-A1D9-4A65-AC05-E482FF26E9E2}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "rdiff.net", "rdiff.net.exe\rdiff.net.csproj", "{9C8E4671-9350-4955-8E52-1517EC7A0843}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "rdiff.netTest", "rDiff.NetTest\rdiff.netTest.csproj", "{ACB4F794-0C3B-421A-8218-9D3E71D76F2A}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,6 +25,14 @@ Global
 		{44941F98-A1D9-4A65-AC05-E482FF26E9E2}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{44941F98-A1D9-4A65-AC05-E482FF26E9E2}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{44941F98-A1D9-4A65-AC05-E482FF26E9E2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9C8E4671-9350-4955-8E52-1517EC7A0843}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9C8E4671-9350-4955-8E52-1517EC7A0843}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9C8E4671-9350-4955-8E52-1517EC7A0843}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9C8E4671-9350-4955-8E52-1517EC7A0843}.Release|Any CPU.Build.0 = Release|Any CPU
+		{ACB4F794-0C3B-421A-8218-9D3E71D76F2A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{ACB4F794-0C3B-421A-8218-9D3E71D76F2A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{ACB4F794-0C3B-421A-8218-9D3E71D76F2A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{ACB4F794-0C3B-421A-8218-9D3E71D76F2A}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

rDiff.NetTest/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("rDiff.NetTest")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("rDiff.NetTest")]
+[assembly: AssemblyCopyright("Copyright ©  2015")]
+[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("acb4f794-0c3b-421a-8218-9d3e71d76f2a")]
+
+// 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")]

rDiff.NetTest/RDiffDotNetTest.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Security.Cryptography;
+using System.IO;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System.Linq;
+using rdiff.net.exe;
+
+namespace rDiff.NetTest
+{
+    [TestClass]
+    public class rDiffDotNetTest
+    {
+        string originalFilePath = "./TestFiles/Original.txt";
+        string newFilePath = "./TestFiles/Modified.txt";
+        string patchedFilePath = "./TestFiles/Patched.txt";
+        string deltaPath = "./TestFiles/Original.txt.delta";
+        string signaturePath = "./TestFiles/Original.txt.signature";
+
+        [TestMethod]
+        public void E2ETest()
+        {            
+            rDiffDotNet.ComputeSignature(originalFilePath, signaturePath);
+            rDiffDotNet.ComputeDelta(newFilePath, signaturePath, deltaPath);
+            rDiffDotNet.ApplyDelta(originalFilePath, deltaPath, patchedFilePath);
+            Assert.IsTrue(VerifyFilesAreIdentical(newFilePath, patchedFilePath));
+        }
+
+        [TestMethod]
+        public void DiffTest()
+        {
+            //makes sure that both methods of generating deltas (file+file and file+signature) 
+            //create the same delta file.
+            rDiffDotNet.ComputeSignature(originalFilePath, signaturePath);
+            rDiffDotNet.ComputeDelta(newFilePath, signaturePath, deltaPath);
+
+            string deltaPath2 = deltaPath + "2";
+            rDiffDotNet.ComputeDeltaFromFiles(originalFilePath, newFilePath, deltaPath2);            
+
+            Assert.IsTrue(VerifyFilesAreIdentical(deltaPath, deltaPath2));
+        }
+
+        [TestMethod]
+        public void DiffTestE2E()
+        {
+            rDiffDotNet.ComputeDeltaFromFiles(originalFilePath, newFilePath, deltaPath);
+            rDiffDotNet.ApplyDelta(originalFilePath, deltaPath, patchedFilePath);
+            Assert.IsTrue(VerifyFilesAreIdentical(newFilePath, patchedFilePath));
+        }
+
+        private static bool VerifyFilesAreIdentical(string newFilePath, string patchedFilePath)
+        {
+            MD5 md5 = MD5.Create();
+            using (var newFile = new FileStream(newFilePath, FileMode.Open))
+            {
+                using (var patchedFile = new FileStream(patchedFilePath, FileMode.Open))
+                {
+                    byte[] originalHash = md5.ComputeHash(newFile);
+                    byte[] patchedHash = md5.ComputeHash(patchedFile);
+                    return originalHash.SequenceEqual(patchedHash);
+                }
+            }
+        }
+    }
+}