public UnitTestMutationResult PerformMutationForUnitTestProject(
EnvDTE.Project unitTestProject,
SourceCodeMutationResult sourceCodeMutationResult,
EnvDTE.Project sourceCodeProject)
{
var solution = _roslynSetupHelper.GetSolutionToAnalyze(
_roslynSetupHelper.CreateWorkspace(), _currentSolution.FileName);
var projectToAnalyze = _roslynSetupHelper.GetProjectToAnalyze(solution, unitTestProject.Name);
var projectAssembly = _roslynSetupHelper.GetProjectAssembly(projectToAnalyze);
List <GeneratedMutant> generatedUnitTestMutants =
GenerateMutantsForUnitTestProject(projectAssembly, sourceCodeMutationResult.GeneratedMutants);
var isMutatioAnalysisCompleted = GetMutatedCompilation(generatedUnitTestMutants, unitTestProject,
sourceCodeProject, sourceCodeMutationResult, projectToAnalyze.OutputFilePath);
if (isMutatioAnalysisCompleted)
{
return(new UnitTestMutationResult()
{
GeneratedUnitTestMutants = generatedUnitTestMutants,
OutputPath = projectToAnalyze.OutputFilePath
});
}
else
{
throw new Exception("Error at mutation analysis step.");
}
}
private bool GetMutatedCompilation(
List <GeneratedMutant> generatedUnitTestMutants,
EnvDTE.Project unitTestProject,
EnvDTE.Project sourceCodeproject,
SourceCodeMutationResult sourceCodeMutationResult,
string unitTestProjectoutputPath)
{
bool sourceCodeMutation = false;
bool unitTestCodeMutation = false;
sourceCodeMutation =
AddMutationAnalysisToSourceCodeProject(sourceCodeMutationResult, sourceCodeproject);
if (sourceCodeMutation)
{
//MessageBox.Show("Source code project compiled after mutation.");
unitTestCodeMutation =
AddMutationAnalysisToUnitTestProject(generatedUnitTestMutants, unitTestProject);
//if (unitTestCodeMutation)
//{
// MessageBox.Show("Unit test project compiled after mutation.");
//}
}
if (sourceCodeMutation && unitTestCodeMutation)
{
return(true);
}
else
{
return(false);
}
}
private UnitTestMutationResult MutateUnitTestProject(Solution2 solution,
SourceCodeMutationResult sourceCodeMutationResult, Project unitTestProject,
Project sourceCodeProject)
{
var unitTestsMutator = new UnitTestSuiteMutator(solution);
var unitTestMutationResult =
unitTestsMutator.PerformMutationForUnitTestProject(unitTestProject, sourceCodeMutationResult,
sourceCodeProject);
return(unitTestMutationResult);
}
private bool AddMutationAnalysisToSourceCodeProject(SourceCodeMutationResult sourceCodeMutationResult,
EnvDTE.Project sourceCodeProject)
{
var sourceCodeUsings = sourceCodeMutationResult.Usings
.GroupBy(u => u.ToFullString()).Select(iu => iu.First()).ToList();
var unitTestUsings = Usings.GroupBy(u => u.ToFullString()).Select(iu => iu.First()).ToList();
var sourceCodeCompilationUnit = SyntaxFactory.CompilationUnit()
.WithUsings(SyntaxFactory.List(sourceCodeUsings.ToArray()))
.WithMembers(
SyntaxFactory.SingletonList <MemberDeclarationSyntax>(
SyntaxFactory.NamespaceDeclaration(
SyntaxFactory.IdentifierName("SourceCodeProjectMutants"))
.WithMembers(
SyntaxFactory.SingletonList <MemberDeclarationSyntax>(
SyntaxFactory.ClassDeclaration("FirstSourceCodeMutant")
.WithModifiers(
SyntaxFactory.TokenList(
SyntaxFactory.Token(SyntaxKind.PublicKeyword)))))))
.NormalizeWhitespace();
var sourceCodeCompilationUnitRoot = sourceCodeCompilationUnit.SyntaxTree.GetRoot() as CompilationUnitSyntax;
var sourceCodeMutantsNameSpace =
sourceCodeCompilationUnitRoot.DescendantNodes().OfType <NamespaceDeclarationSyntax>().First();
var firstSourceCodeMutant =
sourceCodeMutantsNameSpace.DescendantNodes().OfType <ClassDeclarationSyntax>().First();
var sourceCodeCompilationUnitSyntaxTree = sourceCodeCompilationUnitRoot
.InsertNodesAfter(firstSourceCodeMutant,
sourceCodeMutationResult.GeneratedMutants.Select(p => p.MutatedCodeRoot));
var sourceCodeTree = CSharpSyntaxTree.ParseText(sourceCodeCompilationUnitSyntaxTree.ToFullString());
SourceCodeMutantsCodePath = Path.Combine(Path.GetDirectoryName(sourceCodeProject.FullName),
"SourceCodeMutants.cs");
File.WriteAllText(SourceCodeMutantsCodePath, sourceCodeTree.GetRoot().ToFullString());
//add source code mutation analysis to sc project
sourceCodeProject.ProjectItems.AddFromFile(SourceCodeMutantsCodePath);
sourceCodeProject.Save();
//recompile the source code project
SolutionBuild2 sourceCodeSolutionBuild2 = (SolutionBuild2)sourceCodeProject.DTE.Solution.SolutionBuild;
sourceCodeSolutionBuild2.BuildProject(sourceCodeSolutionBuild2.ActiveConfiguration.Name,
sourceCodeProject.UniqueName, true);
bool sourceCodeCompiledOK = (sourceCodeSolutionBuild2.LastBuildInfo == 0);
return(sourceCodeCompiledOK);
}