private static void InjectMutantHelpers(FolderComposite rootFolderComposite, CSharpParseOptions cSharpParseOptions)
{
foreach (var(name, code) in CodeInjection.MutantHelpers)
{
rootFolderComposite.AddCompilationSyntaxTree(CSharpSyntaxTree.ParseText(code, path: name, encoding: Encoding.UTF32, options: cSharpParseOptions));
}
}
/// <summary>
/// Recursively scans the given directory for files to mutate
/// </summary>
private FolderComposite FindInputFiles(string path, string projectUnderTestDir, string parentFolder, CSharpParseOptions cSharpParseOptions)
{
var lastPathComponent = Path.GetFileName(path);
var folderComposite = new FolderComposite
{
Name = lastPathComponent,
FullPath = Path.GetFullPath(path),
RelativePath = Path.Combine(parentFolder, lastPathComponent),
RelativePathToProjectFile = Path.GetRelativePath(projectUnderTestDir, Path.GetFullPath(path))
};
foreach (var folder in _fileSystem.Directory.EnumerateDirectories(folderComposite.FullPath).Where(x => !_foldersToExclude.Contains(Path.GetFileName(x))))
{
folderComposite.Add(FindInputFiles(folder, projectUnderTestDir, folderComposite.RelativePath, cSharpParseOptions));
}
foreach (var file in _fileSystem.Directory.GetFiles(folderComposite.FullPath, "*.cs", SearchOption.TopDirectoryOnly))
{
// Roslyn cannot compile xaml.cs files generated by xamarin.
// Since the files are generated they should not be mutated anyway, so skip these files.
if (!file.EndsWith(".xaml.cs"))
{
var fileName = Path.GetFileName(file);
var fileLeaf = new FileLeaf()
{
SourceCode = _fileSystem.File.ReadAllText(file),
Name = _fileSystem.Path.GetFileName(file),
RelativePath = Path.Combine(folderComposite.RelativePath, fileName),
FullPath = file,
RelativePathToProjectFile = Path.GetRelativePath(projectUnderTestDir, file)
};
// Get the syntax tree for the source file
var syntaxTree = CSharpSyntaxTree.ParseText(fileLeaf.SourceCode,
path: fileLeaf.FullPath,
options: cSharpParseOptions);
// don't mutate auto generated code
if (syntaxTree.IsGenerated())
{
_logger.LogDebug("Skipping auto-generated code file: {fileName}", fileLeaf.Name);
folderComposite.AddCompilationSyntaxTree(syntaxTree); // Add the syntaxTree to the list of compilationSyntaxTrees
continue; // Don't add the file to the folderComposite as we're not reporting on the file
}
fileLeaf.SyntaxTree = syntaxTree;
folderComposite.Add(fileLeaf);
}
}
return(folderComposite);
}