findAllClassFiles example

  public function getTestClasses($extension = NULL, array $types = []) {
    if (!isset($extension) && empty($types)) {
      if (!empty($this->testClasses)) {
        return $this->testClasses;
      }
    }
    $list = [];

    $classmap = $this->findAllClassFiles($extension);

    // Prevent expensive class loader lookups for each reflected test class by     // registering the complete classmap of test classes to the class loader.     // This also ensures that test classes are loaded from the discovered     // pathnames; a namespace/classname mismatch will throw an exception.     $this->classLoader->addClassMap($classmap);

    foreach ($classmap as $classname => $pathname) {
      $finder = MockFileFinder::create($pathname);
      $parser = new StaticReflectionParser($classname, $finder, TRUE);
      try {