def setUp(self) -> None:
self.tmpdir = TemporaryDirectory()
self.cwd = os.getcwd()
os.chdir(self.tmpdir.name)
dirname = "fsbackendtest"
os.mkdir(dirname) # replace by temporary directory
self.backend = FilesystemBackend(dirname)
self.testdata = "dshiuasduzchjbfdnbewhsdcuzd"
self.alternative_testdata = "8u993zhhbn\nb3tadgadg"
self.identifier = "some name"
class FileSystemBackendTest(unittest.TestCase):
def setUp(self) -> None:
self.tmpdir = TemporaryDirectory()
self.cwd = os.getcwd()
os.chdir(self.tmpdir.name)
dirname = "fsbackendtest"
os.mkdir(dirname) # replace by temporary directory
self.backend = FilesystemBackend(dirname)
self.testdata = "dshiuasduzchjbfdnbewhsdcuzd"
self.alternative_testdata = "8u993zhhbn\nb3tadgadg"
self.identifier = "some name"
def tearDown(self) -> None:
os.chdir(self.cwd)
self.tmpdir.cleanup()
def test_put_and_get_normal(self) -> None:
# first put the data
self.backend.put(self.identifier, self.testdata)
# then retrieve it again
data = self.backend.get(self.identifier)
self.assertEqual(data, self.testdata)
def test_put_file_exists_no_overwrite(self) -> None:
name = "test_put_file_exists_no_overwrite"
self.backend.put(name, self.testdata)
with self.assertRaises(FileExistsError):
self.backend.put(name, self.alternative_testdata)
self.assertEqual(self.testdata, self.backend.get(name))
def test_put_file_exists_overwrite(self) -> None:
name = "test_put_file_exists_overwrite"
self.backend.put(name, self.testdata)
self.backend.put(name, self.alternative_testdata, overwrite=True)
self.assertEqual(self.alternative_testdata, self.backend.get(name))
def test_instantiation_fail(self) -> None:
with self.assertRaises(NotADirectoryError):
FilesystemBackend("C\\#~~")
def test_exists(self) -> None:
name = "test_exists"
self.backend.put(name, self.testdata)
self.assertTrue(self.backend.exists(name))
self.assertFalse(self.backend.exists("exists_not"))
def test_get_not_existing(self) -> None:
name = "test_get_not_existing"
with self.assertRaises(FileNotFoundError):
self.backend.get(name)