





def     A_      (	lowercase_   ,		lowercase_	)      ->    str:
       _snake_case   :				str  					=    ''''''
       for word_or_phrase in separated:
              if not isinstance(__UpperCAmelCase   ,		__UpperCAmelCase	):
                     raise Exception('''join() accepts only strings to be joined'''	)
              joined += word_or_phrase + separator
       return joined.strip(__UpperCAmelCase	)


if __name__ == "__main__":
   from doctest import testmod

   testmod()













'''simple docstring'''

from datasets.utils.patching import _PatchedModuleObj, patch_submodule

from . import _test_patching

def     __magic_name__							(				)    ->       Union[str, Any]:

   '''simple docstring'''







   import os as original_os
   from os import path as original_path
   from os import rename as original_rename
   from os.path import dirname as original_dirname
   from os.path import join as original_join

   assert _test_patching.os is original_os
   assert _test_patching.path is original_path
   assert _test_patching.join is original_join

   assert _test_patching.renamed_os is original_os
   assert _test_patching.renamed_path is original_path
   assert _test_patching.renamed_join is original_join

   __SCREAMING_SNAKE_CASE   				=							"""__test_patch_submodule_mock__"""
   with patch_submodule(_test_patching				,						"""os.path.join"""				,						__UpperCAmelCase   ):
      # Every way to access os.path.join must be patched, and the rest must stay untouched

      # check os.path.join
      assert isinstance(_test_patching.os				,						_PatchedModuleObj   )
      assert isinstance(_test_patching.os.path				,						_PatchedModuleObj   )
      assert _test_patching.os.path.join is mock

      # check path.join
      assert isinstance(_test_patching.path				,						_PatchedModuleObj   )
      assert _test_patching.path.join is mock

      # check join
      assert _test_patching.join is mock

      # check that the other attributes are untouched
      assert _test_patching.os.rename is original_rename
      assert _test_patching.path.dirname is original_dirname
      assert _test_patching.os.path.dirname is original_dirname

      # Even renamed modules or objects must be patched

      # check renamed_os.path.join
      assert isinstance(_test_patching.renamed_os				,						_PatchedModuleObj   )
      assert isinstance(_test_patching.renamed_os.path				,						_PatchedModuleObj   )
      assert _test_patching.renamed_os.path.join is mock

      # check renamed_path.join
      assert isinstance(_test_patching.renamed_path				,						_PatchedModuleObj   )
      assert _test_patching.renamed_path.join is mock

      # check renamed_join
      assert _test_patching.renamed_join is mock

      # check that the other attributes are untouched
      assert _test_patching.renamed_os.rename is original_rename
      assert _test_patching.renamed_path.dirname is original_dirname
      assert _test_patching.renamed_os.path.dirname is original_dirname

   # check that everthing is back to normal when the patch is over

   assert _test_patching.os is original_os
   assert _test_patching.path is original_path
   assert _test_patching.join is original_join

   assert _test_patching.renamed_os is original_os
   assert _test_patching.renamed_path is original_path
   assert _test_patching.renamed_join is original_join

def     __magic_name__							(				)    ->       Tuple:

   '''simple docstring'''







   assert _test_patching.open is open

   __SCREAMING_SNAKE_CASE   				=							"""__test_patch_submodule_builtin_mock__"""
   # _test_patching has "open" in its globals
   assert _test_patching.open is open
   with patch_submodule(_test_patching				,						"""open"""				,						__UpperCAmelCase   ):
      assert _test_patching.open is mock

   # check that everthing is back to normal when the patch is over

   assert _test_patching.open is open

def     __magic_name__							(				)    ->       Any:

   '''simple docstring'''







   __SCREAMING_SNAKE_CASE   				=							"""__test_patch_submodule_missing_mock__"""
   with patch_submodule(_test_patching				,						"""pandas.read_csv"""				,						__UpperCAmelCase   ):
      pass

def     __magic_name__							(				)    ->       Dict:

   '''simple docstring'''







   __SCREAMING_SNAKE_CASE   				=							"""__test_patch_submodule_missing_builtin_mock__"""
   # _test_patching doesn't have "len" in its globals
   assert getattr(_test_patching				,						"""len"""				,						__UpperCAmelCase   ) is None
   with patch_submodule(_test_patching				,						"""len"""				,						__UpperCAmelCase   ):
      assert _test_patching.len is mock
   assert _test_patching.len is len

def     __magic_name__							(				)    ->       Tuple:

   '''simple docstring'''







   __SCREAMING_SNAKE_CASE   				=							"""__test_patch_submodule_start_and_stop_mock__"""
   __SCREAMING_SNAKE_CASE   				=							patch_submodule(_test_patching				,						"""open"""				,						__UpperCAmelCase   )
   assert _test_patching.open is open
   patch.start()
   assert _test_patching.open is mock
   patch.stop()
   assert _test_patching.open is open

def     __magic_name__							(				)    ->       Union[str, Any]:

   '''simple docstring'''







   from os import rename as original_rename
   from os.path import dirname as original_dirname
   from os.path import join as original_join

   __SCREAMING_SNAKE_CASE   				=							"""__test_patch_submodule_successive_join__"""
   __SCREAMING_SNAKE_CASE   				=							"""__test_patch_submodule_successive_dirname__"""
   __SCREAMING_SNAKE_CASE   				=							"""__test_patch_submodule_successive_rename__"""
   assert _test_patching.os.path.join is original_join
   assert _test_patching.os.path.dirname is original_dirname
   assert _test_patching.os.rename is original_rename

   with patch_submodule(_test_patching				,						"""os.path.join"""				,						__UpperCAmelCase   ):
      with patch_submodule(_test_patching				,						"""os.rename"""				,						__UpperCAmelCase   ):
         with patch_submodule(_test_patching				,						"""os.path.dirname"""				,						__UpperCAmelCase   ):
            assert _test_patching.os.path.join is mock_join
            assert _test_patching.os.path.dirname is mock_dirname
            assert _test_patching.os.rename is mock_rename

    # try another order
   with patch_submodule(_test_patching				,						"""os.rename"""				,						__UpperCAmelCase   ):
      with patch_submodule(_test_patching				,						"""os.path.join"""				,						__UpperCAmelCase   ):
         with patch_submodule(_test_patching				,						"""os.path.dirname"""				,						__UpperCAmelCase   ):
            assert _test_patching.os.path.join is mock_join
            assert _test_patching.os.path.dirname is mock_dirname
            assert _test_patching.os.rename is mock_rename

   assert _test_patching.os.path.join is original_join
   assert _test_patching.os.path.dirname is original_dirname
   assert _test_patching.os.rename is original_rename







def     __magic_name__							(				)    ->       str:

   '''simple docstring'''







   __SCREAMING_SNAKE_CASE   				=							"""__test_patch_submodule_doesnt_exist_mock__"""
   with patch_submodule(_test_patching				,						"""__module_that_doesn_exist__.__attribute_that_doesn_exist__"""				,						__UpperCAmelCase   ):
      pass
   with patch_submodule(_test_patching				,						"""os.__attribute_that_doesn_exist__"""				,						__UpperCAmelCase   ):
      pass





