Hal\MutaTesting\Mutation\Factory\MutationFactory::factoryFromUnit PHP Method

    public function factoryFromUnit(UnitInterface $unit)
    {
        $mutation = new Mutation();
        $mutation->setTestFile($unit->getFile())->setTokens(new TokenCollection(array()))->setUnit($unit);
        return $mutation;
    }

 /**
  * Parse tested files of the unit test and injects them in Unit::setTestedFiles()
  * 
  * @param \Hal\MutaTesting\Test\UnitInterface $unit
  * @return \Hal\MutaTesting\Test\UnitInterface
  */
 public function parseTestedFiles(UnitInterface &$unit)
 {
     $factory = new MutationFactory();
     $mutation = $factory->factoryFromUnit($unit);
     $prependFile = $this->createFileSystemMock($mutation);
     // add logger
     $filename = tempnam(sys_get_temp_dir(), 'tested-files');
     $content = '<?php
         register_shutdown_function(function() {
             file_put_contents(\'' . $filename . '\', serialize( get_included_files() ));
         });?>';
     file_put_contents($prependFile, $content);
     // run mutation
     $this->runMutation($mutation, array(), null, $prependFile);
     // get files
     $includedExport = unserialize(file_get_contents($filename));
     $includedFiles = array_filter($includedExport, function ($file) use($prependFile, $filename) {
         return !preg_match('!(PHPUnit\\\\)|(Test.php)|(phpunit.phar)|(vendor)|(Interface.php)!', $file) && !in_array($file, array($prependFile, $filename));
     });
     $unit->setTestedFiles(array_values($includedFiles));
     return $unit;
 }