def test_bypass_stream(self, write_stream_mock, open_stream_mock,
get_read_streams_mock, *othermocks):
# given
file_len = 50
file_obj = IterIO(BytesIO('a' * file_len))
get_read_streams_mock.return_value = [Stream('name', file_len, None)]
open_stream_mock.return_value = file_obj
options = create_stream_bypass_simple_config()
# when:
with closing(StreamBypass(options, meta())) as bypass:
bypass.execute()
# then:
write_stream_mock.assert_called_once_with(
Stream('name', file_len, None), file_obj)
self.assertEquals(bypass.bypass_state.stats['bytes_copied'], 50,
'Wrong number of bytes written')
def test_resume_bypass(self, write_stream_mock, open_stream_mock,
get_streams_mock, *othermocks):
# given
options = create_stream_bypass_simple_config()
options.persistence_options.update(
resume=True, persistence_state_id=self.tmp_bypass_resume_file)
options.persistence_options['options']['file_path'] = self.data_dir
file_len = 50
file_obj_b = IterIO(BytesIO('b' * file_len))
stream_a = Stream('file_a', file_len, None)
stream_b = Stream('file_b', file_len, None)
get_streams_mock.return_value = [stream_a, stream_b]
open_stream_mock.return_value = file_obj_b
# Initial state is:
# done = [(file_a, 50, None)] stats = {'bytes_copied': 50}
# when:
with closing(StreamBypass(options, meta())) as bypass:
bypass.execute()
# then:
write_stream_mock.assert_called_once_with(stream_b, file_obj_b)
assert bypass.bypass_state.stats['bytes_copied'] == 100,\
'Wrong number of bytes written'
