def test_logfile_size_context_manager(self, tmp_path):
base_filename = "mylogfile.ASC"
max_bytes = 1024
msg = generate_message(0x123)
with can.SizedRotatingLogger(base_filename=tmp_path / base_filename,
max_bytes=max_bytes) as logger_instance:
for _ in range(128):
logger_instance.on_message_received(msg)
for file_path in os.listdir(tmp_path):
assert os.path.getsize(os.path.join(tmp_path,
file_path)) <= 1100
def test_create_instance(self, tmp_path):
base_filename = "mylogfile.ASC"
max_bytes = 512
logger_instance = can.SizedRotatingLogger(base_filename=tmp_path /
base_filename,
max_bytes=max_bytes)
assert Path(logger_instance.base_filename).name == base_filename
assert logger_instance.max_bytes == max_bytes
assert logger_instance.rollover_count == 0
assert isinstance(logger_instance.writer, can.ASCWriter)
logger_instance.stop()
def test_create_instance(self):
base_filename = "mylogfile.ASC"
max_bytes = 512
with tempfile.TemporaryDirectory() as temp_dir:
logger_instance = can.SizedRotatingLogger(
base_filename=os.path.join(temp_dir, base_filename),
max_bytes=max_bytes)
assert Path(logger_instance.base_filename).name == base_filename
assert logger_instance.max_bytes == max_bytes
assert logger_instance.rollover_count == 0
assert isinstance(logger_instance.writer, can.ASCWriter)
logger_instance.stop()
def test_logfile_size(self, tmp_path):
base_filename = "mylogfile.ASC"
max_bytes = 1024
msg = generate_message(0x123)
logger_instance = can.SizedRotatingLogger(base_filename=tmp_path /
base_filename,
max_bytes=max_bytes)
for _ in range(128):
logger_instance.on_message_received(msg)
for file_path in os.listdir(tmp_path):
assert os.path.getsize(tmp_path / file_path) <= 1100
logger_instance.stop()
def test_logfile_size(self):
base_filename = "mylogfile.ASC"
max_bytes = 1024
msg = generate_message(0x123)
with tempfile.TemporaryDirectory() as temp_dir:
logger_instance = can.SizedRotatingLogger(
base_filename=os.path.join(temp_dir, base_filename),
max_bytes=max_bytes)
for _ in range(128):
logger_instance.on_message_received(msg)
for file_path in os.listdir(temp_dir):
assert os.path.getsize(os.path.join(temp_dir,
file_path)) <= 1100
logger_instance.stop()
def test_should_rollover(self, tmp_path):
base_filename = "mylogfile.ASC"
max_bytes = 512
logger_instance = can.SizedRotatingLogger(base_filename=tmp_path /
base_filename,
max_bytes=max_bytes)
msg = generate_message(0x123)
do_rollover = Mock()
logger_instance.do_rollover = do_rollover
logger_instance.writer.file.tell = Mock(return_value=511)
assert logger_instance.should_rollover(msg) is False
logger_instance.on_message_received(msg)
do_rollover.assert_not_called()
logger_instance.writer.file.tell = Mock(return_value=512)
assert logger_instance.should_rollover(msg) is True
logger_instance.on_message_received(msg)
do_rollover.assert_called()
logger_instance.stop()
def test_should_rollover(self):
base_filename = "mylogfile.ASC"
max_bytes = 512
with tempfile.TemporaryDirectory() as temp_dir:
logger_instance = can.SizedRotatingLogger(
base_filename=os.path.join(temp_dir, base_filename),
max_bytes=max_bytes)
msg = generate_message(0x123)
do_rollover = Mock()
logger_instance.do_rollover = do_rollover
logger_instance.writer.file.tell = Mock(return_value=511)
assert logger_instance.should_rollover(msg) is False
logger_instance.on_message_received(msg)
do_rollover.assert_not_called()
logger_instance.writer.file.tell = Mock(return_value=512)
assert logger_instance.should_rollover(msg) is True
logger_instance.on_message_received(msg)
do_rollover.assert_called()
logger_instance.stop()