public void CanPatchVersionOnWellFormedXml()
        {
            _patcher.Load(_projectXml);
            _patcher.PatchVersionField("1.0.0", "1.1.0-0");

            var newXml = _patcher.ToXmlString();

            Assert.NotEqual(_projectXml, newXml);
            Assert.Contains("<Version>1.1.0-0</Version>", newXml);
        }
        public VersionInfo Execute(VersionCliArgs args)
        {
            if (!args.DryRun && args.DoVcs && !_vcsTool.IsVcsToolPresent())
            {
                throw new OperationCanceledException(
                          $"Unable to find the vcs tool {_vcsTool.ToolName()} in your path");
            }

            if (!args.DryRun && args.DoVcs && !_vcsTool.IsRepositoryClean())
            {
                throw new OperationCanceledException(
                          "You currently have uncomitted changes in your repository, please commit these and try again");
            }

            var csProjXml = _fileDetector.FindAndLoadCsProj(args.CsProjFilePath);

            _fileParser.Load(csProjXml);

            var semVer = _bumper.Bump(
                SemVer.FromString(_fileParser.PackageVersion),
                args.VersionBump,
                args.SpecificVersionToApply,
                args.BuildMeta,
                args.PreReleasePrefix
                );
            var versionString = semVer.ToSemVerVersionString();

            if (!args.DryRun) // if we are not in dry run mode, then we should go ahead
            {
                _fileVersionPatcher.Load(csProjXml);

                _fileVersionPatcher.PatchVersionField(
                    _fileParser.Version,
                    versionString
                    );

                _fileVersionPatcher.Flush(
                    _fileDetector.ResolvedCsProjFile
                    );

                if (args.DoVcs)
                {
                    // Run git commands
                    _vcsTool.Commit(_fileDetector.ResolvedCsProjFile, $"v{versionString}");
                    _vcsTool.Tag($"v{versionString}");
                }
            }

            var theOutput = new VersionInfo
            {
                Product = new ProductOutputInfo
                {
                    Name    = ProductInfo.Name,
                    Version = ProductInfo.Version
                },
                OldVersion      = _fileParser.PackageVersion,
                NewVersion      = versionString,
                ProjectFile     = _fileDetector.ResolvedCsProjFile,
                VersionStrategy = args.VersionBump.ToString().ToLowerInvariant()
            };


            if (args.OutputFormat == OutputFormat.Json)
            {
                WriteJsonToStdout(theOutput);
            }
            else
            {
                Console.WriteLine($"Bumped {_fileDetector.ResolvedCsProjFile} to version {versionString}");
            }

            return(theOutput);
        }