text: import os
  
  from grayskull.utils import (
      get_all_modules_imported_script,
      get_std_modules,
      get_vendored_dependencies,
  )
  
  
  def test_get_std_modules():
      std_modules = get_std_modules()
      assert "sys" in std_modules
      assert "os" in std_modules
      assert "ast" in std_modules
      assert "typing" in std_modules
  
  
  def test_get_all_modules_imported_script(data_dir):
      all_imports = get_all_modules_imported_script(
          os.path.join(data_dir, "foo_imports.py")
      )
      assert sorted(all_imports) == sorted(["numpy", "pandas", "requests", "os", "sys"])
  
  
  def test_get_vendored_dependencies(data_dir):
      all_deps = get_vendored_dependencies(os.path.join(data_dir, "foo_imports.py"))
      assert sorted(all_deps) == sorted(["numpy", "pandas", "requests"])
  