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import shutil
import os.path
import tempfile
import unittest
import torch
from torch.testing._internal.common_utils import TestCase as PytorchTestCase
import torchaudio
from torchaudio._internal.module_utils import is_module_available
from .backend_utils import set_audio_backend
class TempDirMixin:
"""Mixin to provide easy access to temp dir"""
temp_dir_ = None
@classmethod
def get_base_temp_dir(cls):
# If TORCHAUDIO_TEST_TEMP_DIR is set, use it instead of temporary directory.
# this is handy for debugging.
key = 'TORCHAUDIO_TEST_TEMP_DIR'
if key in os.environ:
return os.environ[key]
if cls.temp_dir_ is None:
cls.temp_dir_ = tempfile.TemporaryDirectory()
return cls.temp_dir_.name
@classmethod
def tearDownClass(cls):
super().tearDownClass()
if cls.temp_dir_ is not None:
cls.temp_dir_.cleanup()
cls.temp_dir_ = None
def get_temp_path(self, *paths):
temp_dir = os.path.join(self.get_base_temp_dir(), self.id())
path = os.path.join(temp_dir, *paths)
os.makedirs(os.path.dirname(path), exist_ok=True)
return path
class TestBaseMixin:
"""Mixin to provide consistent way to define device/dtype/backend aware TestCase"""
dtype = None
device = None
backend = None
def setUp(self):
super().setUp()
set_audio_backend(self.backend)
class TorchaudioTestCase(TestBaseMixin, PytorchTestCase):
pass
def skipIfNoExec(cmd):
return unittest.skipIf(shutil.which(cmd) is None, f'`{cmd}` is not available')
def skipIfNoModule(module, display_name=None):
display_name = display_name or module
return unittest.skipIf(not is_module_available(module), f'"{display_name}" is not available')
skipIfNoSoxBackend = unittest.skipIf(
'sox' not in torchaudio.list_audio_backends(), 'Sox backend not available')
skipIfNoCuda = unittest.skipIf(not torch.cuda.is_available(), reason='CUDA not available')
def skipIfNoExtension(test_item):
if is_module_available('torchaudio._torchaudio'):
return test_item
if 'TORCHAUDIO_TEST_FAIL_IF_NO_EXTENSION' in os.environ:
raise RuntimeError('torchaudio C++ extension is not available.')
return unittest.skip('torchaudio C++ extension is not available')(test_item)
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