def testRead(self):
"""Test the read functionality."""
file_object = data_range_io.DataRange(self._resolver_context,
self._data_range_path_spec)
file_object.Open()
self._TestReadFileObject(file_object, base_offset=0)
def testOpenClosePathSpec(self):
"""Test the open and close functionality using a path specification."""
file_object = data_range_io.DataRange(self._resolver_context,
self._data_range_path_spec)
file_object.Open()
self.assertEqual(file_object.get_size(), 1080)
def testSeek(self):
"""Test the seek functionality."""
file_object = data_range_io.DataRange(self._resolver_context)
file_object.open(path_spec=self._data_range_path_spec)
self._TestSeekFileObject(file_object, base_offset=0)
file_object.close()
def NewFileObject(self, resolver_context):
"""Creates a new file-like object.
Args:
resolver_context (Context): resolver context.
Returns:
FileIO: file-like object.
"""
return data_range_io.DataRange(resolver_context)
def NewFileObject(self, resolver_context, path_spec):
"""Creates a new file input/output (IO) object.
Args:
resolver_context (Context): resolver context.
path_spec (PathSpec): a path specification.
Returns:
FileIO: file input/output (IO) object.
"""
return data_range_io.DataRange(resolver_context, path_spec)
def testOpenCloseFileObject(self):
"""Test the open and close functionality using a file-like object."""
os_file_object = os_file_io.OSFile(self._resolver_context)
os_file_object.open(path_spec=self._os_path_spec)
file_object = data_range_io.DataRange(
self._resolver_context, file_object=os_file_object)
file_object.open()
self._TestGetSizeFileObject(file_object)
file_object.close()
os_file_object.close()
def testSetRange(self):
"""Test the set data range functionality."""
os_file_object = os_file_io.OSFile(self._resolver_context)
os_file_object.open(path_spec=self._os_path_spec)
file_object = data_range_io.DataRange(
self._resolver_context, file_object=os_file_object)
file_object.SetRange(167, 1080)
file_object.open()
self.assertEqual(file_object.get_size(), 1080)
file_object.close()
os_file_object.close()
def testSetRange(self):
"""Test the _SetRange function."""
file_object = data_range_io.DataRange(self._resolver_context,
self._data_range_path_spec)
self.assertEqual(file_object._range_offset, -1)
self.assertEqual(file_object._range_size, -1)
file_object._SetRange(167, 1080)
self.assertEqual(file_object._range_offset, 167)
self.assertEqual(file_object._range_size, 1080)
with self.assertRaises(ValueError):
file_object._SetRange(-1, 1080)
with self.assertRaises(ValueError):
file_object._SetRange(167, -1)
