def read_header(self, prefix, connection, data):
"""Test WriteFile() header format."""
# Delete log if it already exists (it shouldn't).
log = prefix + '.log'
self.delete_if_exists(log)
# Create logging object.
wf = WriteFile(prefix, connection)
self.assertFalse(os.path.exists(log))
wf.write(data)
wf.close()
# Read log file header.
self.assertTrue(os.path.exists(log))
with open(log, 'r') as f:
lines = f.readlines()
lines = [line for line in lines if line.startswith('#')]
# Use hard-coded example for raw connections.
if isinstance(connection, mcl.network.abstract.Connection):
template = RAW_HEADER
# Use hard-coded example for messages.
else:
template = MESSAGE_TEMPLATE
# Make sure header is correctly formatted.
for i, (line, template_line) in enumerate(zip(lines, template)):
if i == 3:
tokens = line.split()
self.assertEqual('revision', tokens[2])
elif i == 4:
tokens = line.split()
self.assertEqual('created', tokens[2])
else:
self.assertEqual(line, template_line + '\n')
# Clean up after test.
self.delete_if_exists(log)
def read_header(self, prefix, connection, data):
"""Test WriteFile() header format."""
# Delete log if it already exists (it shouldn't).
log = prefix + '.log'
self.delete_if_exists(log)
# Create logging object.
wf = WriteFile(prefix, connection)
self.assertFalse(os.path.exists(log))
wf.write(data)
wf.close()
# Read log file header.
self.assertTrue(os.path.exists(log))
with open(log, 'r') as f:
lines = f.readlines()
lines = [line for line in lines if line.startswith('#')]
# Use hard-coded example for raw connections.
if isinstance(connection, mcl.network.abstract.Connection):
template = RAW_HEADER
# Use hard-coded example for messages.
else:
template = MESSAGE_TEMPLATE
# Make sure header is correctly formatted.
for i, (line, template_line) in enumerate(zip(lines, template)):
if i == 3:
tokens = line.split()
self.assertEqual('revision', tokens[2])
elif i == 4:
tokens = line.split()
self.assertEqual('created', tokens[2])
else:
self.assertEqual(line, template_line + '\n')
# Clean up after test.
self.delete_if_exists(log)
def file_write(self,
prefix,
writes_per_split=2,
split_delay=None,
max_splits=2,
max_entries=None,
max_time=None):
"""Method for testing (split) logging."""
# Create file names.
prefix = os.path.join(TMP_PATH, 'unittest')
# Create logging object.
wf = WriteFile(prefix,
UnitTestMessageA,
max_entries=max_entries,
max_time=max_time)
# Iterate through log file splits.
for split in range(max_splits):
# No splitting enabled
if max_entries is None and max_time is None:
tmp = prefix + '.tmp'
log = prefix + '.log'
# Split encountered.
else:
tmp = prefix + '_%03i.tmp' % split
log = prefix + '_%03i.log' % split
# Ensure files do not exist.
self.delete_if_exists(tmp)
self.delete_if_exists(log)
# Write data to log file.
for i in range(writes_per_split):
j = (split * writes_per_split) + i
message = {
'time_received': None,
'topic': 'test',
'payload': UnitTestMessageA(data=j)
}
wf.write(message)
# File has not been closed. Ensure the file still has a temporary
# extension.
self.assertTrue(os.path.exists(tmp))
self.assertFalse(os.path.exists(log))
# Re-read split/log file (skip header).
with open(tmp, 'r') as f:
lines = f.readlines()
lines = [line for line in lines if not line.startswith('#')]
# Ensure data has been written to the file correctly.
for i in range(writes_per_split):
j = (split * writes_per_split) + i
recorded_time, topic, payload = lines[i].split()
self.assertEqual(topic, "'" + message['topic'] + "'")
self.assertEqual(
msgpack.loads(payload.decode('hex'))['data'],
UnitTestMessageA(data=j)['data'])
# No splits enabled.
if max_entries is None and max_time is None:
break
# Pause before creating next split.
if split_delay is not None:
time.sleep(split_delay)
# Ensure log file gets 'closed' - rotated from '.tmp' to '.log'
# extension.
wf.close()
self.assertTrue(os.path.exists(log))
# Clean up after testing.
for ext in ['tmp', 'log']:
self.delete_if_exists(prefix + '.%s' % ext)
for s_ext in ['_%03i.%s' % (i, ext) for i in range(max_splits)]:
self.delete_if_exists(prefix + '%s' % s_ext)
def file_write(self, prefix,
writes_per_split=2,
split_delay=None,
max_splits=2,
max_entries=None,
max_time=None):
"""Method for testing (split) logging."""
# Create file names.
prefix = os.path.join(TMP_PATH, 'unittest')
# Create logging object.
wf = WriteFile(prefix, UnitTestMessageA,
max_entries=max_entries,
max_time=max_time)
# Iterate through log file splits.
for split in range(max_splits):
# No splitting enabled
if max_entries is None and max_time is None:
tmp = prefix + '.tmp'
log = prefix + '.log'
# Split encountered.
else:
tmp = prefix + '_%03i.tmp' % split
log = prefix + '_%03i.log' % split
# Ensure files do not exist.
self.delete_if_exists(tmp)
self.delete_if_exists(log)
# Write data to log file.
for i in range(writes_per_split):
j = (split * writes_per_split) + i
message = {'time_received': None,
'topic': 'test',
'payload': UnitTestMessageA(data=j)}
wf.write(message)
# File has not been closed. Ensure the file still has a temporary
# extension.
self.assertTrue(os.path.exists(tmp))
self.assertFalse(os.path.exists(log))
# Re-read split/log file (skip header).
with open(tmp, 'r') as f:
lines = f.readlines()
lines = [line for line in lines if not line.startswith('#')]
# Ensure data has been written to the file correctly.
for i in range(writes_per_split):
j = (split * writes_per_split) + i
recorded_time, topic, payload = lines[i].split()
self.assertEqual(topic, "'" + message['topic'] + "'")
self.assertEqual(msgpack.loads(payload.decode('hex'))['data'],
UnitTestMessageA(data=j)['data'])
# No splits enabled.
if max_entries is None and max_time is None:
break
# Pause before creating next split.
if split_delay is not None:
time.sleep(split_delay)
# Ensure log file gets 'closed' - rotated from '.tmp' to '.log'
# extension.
wf.close()
self.assertTrue(os.path.exists(log))
# Clean up after testing.
for ext in ['tmp', 'log']:
self.delete_if_exists(prefix + '.%s' % ext)
for s_ext in ['_%03i.%s' % (i, ext) for i in range(max_splits)]:
self.delete_if_exists(prefix + '%s' % s_ext)
