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from __future__ import print_function
import contextlib
import datetime
import errno
import logging
import os
import time
import uuid
import traceback as _traceback
from systemd import journal, id128
from systemd.journal import _make_line
import pytest
TEST_MID = uuid.UUID('8441372f8dca4ca98694a6091fd8519f')
class MockSender:
def __init__(self):
self.buf = []
def send(self, MESSAGE, MESSAGE_ID=None,
CODE_FILE=None, CODE_LINE=None, CODE_FUNC=None,
**kwargs):
args = ['MESSAGE=' + MESSAGE]
if MESSAGE_ID is not None:
id = getattr(MESSAGE_ID, 'hex', MESSAGE_ID)
args.append('MESSAGE_ID=' + id)
if CODE_LINE == CODE_FILE == CODE_FUNC == None:
CODE_FILE, CODE_LINE, CODE_FUNC = _traceback.extract_stack(limit=2)[0][:3]
if CODE_FILE is not None:
args.append('CODE_FILE=' + CODE_FILE)
if CODE_LINE is not None:
args.append('CODE_LINE={:d}'.format(CODE_LINE))
if CODE_FUNC is not None:
args.append('CODE_FUNC=' + CODE_FUNC)
args.extend(_make_line(key, val) for key, val in kwargs.items())
self.buf.append(args)
@contextlib.contextmanager
def skip_oserror(code):
try:
yield
except (OSError, IOError) as e:
if e.errno == code:
pytest.skip()
raise
@contextlib.contextmanager
def skip_valueerror():
try:
yield
except ValueError:
pytest.skip()
def test_priorities():
p = journal.JournalHandler.mapPriority
assert p(logging.NOTSET) == journal.LOG_DEBUG
assert p(logging.DEBUG) == journal.LOG_DEBUG
assert p(logging.DEBUG - 1) == journal.LOG_DEBUG
assert p(logging.DEBUG + 1) == journal.LOG_INFO
assert p(logging.INFO - 1) == journal.LOG_INFO
assert p(logging.INFO) == journal.LOG_INFO
assert p(logging.INFO + 1) == journal.LOG_WARNING
assert p(logging.WARN - 1) == journal.LOG_WARNING
assert p(logging.WARN) == journal.LOG_WARNING
assert p(logging.WARN + 1) == journal.LOG_ERR
assert p(logging.ERROR - 1) == journal.LOG_ERR
assert p(logging.ERROR) == journal.LOG_ERR
assert p(logging.ERROR + 1) == journal.LOG_CRIT
assert p(logging.FATAL) == journal.LOG_CRIT
assert p(logging.CRITICAL) == journal.LOG_CRIT
assert p(logging.CRITICAL + 1) == journal.LOG_ALERT
def test_journalhandler_init_exception():
kw = {' X ':3}
with pytest.raises(ValueError):
journal.JournalHandler(**kw)
def test_journalhandler_init():
kw = {'X':3, 'X3':4}
journal.JournalHandler(logging.INFO, **kw)
def test_journalhandler_info():
record = logging.LogRecord('test-logger', logging.INFO, 'testpath', 1, 'test', None, None)
sender = MockSender()
kw = {'X':3, 'X3':4, 'SENDER_FUNCTION': sender.send}
handler = journal.JournalHandler(logging.INFO, **kw)
handler.emit(record)
assert len(sender.buf) == 1
def test_reader_init_flags():
j1 = journal.Reader()
j2 = journal.Reader(journal.LOCAL_ONLY)
j3 = journal.Reader(journal.RUNTIME_ONLY)
j4 = journal.Reader(journal.SYSTEM_ONLY)
j5 = journal.Reader(journal.LOCAL_ONLY | journal.RUNTIME_ONLY | journal.SYSTEM_ONLY)
j6 = journal.Reader(0)
def test_reader_os_root(tmpdir):
with pytest.raises(ValueError):
journal.Reader(journal.OS_ROOT)
with skip_valueerror():
j1 = journal.Reader(path=tmpdir.strpath,
flags=journal.OS_ROOT)
with skip_valueerror():
j2 = journal.Reader(path=tmpdir.strpath,
flags=journal.OS_ROOT | journal.CURRENT_USER)
j3 = journal.Reader(path=tmpdir.strpath,
flags=journal.OS_ROOT | journal.SYSTEM_ONLY)
def test_reader_init_path(tmpdir):
j1 = journal.Reader(path=tmpdir.strpath)
journal.Reader(0, path=tmpdir.strpath)
j2 = journal.Reader(path=tmpdir.strpath)
journal.Reader(path=tmpdir.strpath)
def test_reader_init_path_invalid_fd():
with pytest.raises(OSError):
journal.Reader(0, path=-1)
def test_reader_init_path_nondirectory_fd():
with pytest.raises(OSError):
journal.Reader(0, path=0)
def test_reader_init_path_fd(tmpdir):
fd = os.open(tmpdir.strpath, os.O_RDONLY)
with skip_oserror(errno.ENOSYS):
j1 = journal.Reader(path=fd)
assert list(j1) == []
with skip_valueerror():
j2 = journal.Reader(journal.SYSTEM, path=fd)
assert list(j2) == []
j3 = journal.Reader(journal.CURRENT_USER, path=fd)
assert list(j3) == []
def test_reader_as_cm(tmpdir):
j = journal.Reader(path=tmpdir.strpath)
with j:
assert not j.closed
assert j.closed
# make sure that operations on the Reader fail
with pytest.raises(OSError):
next(j)
def test_reader_messageid_match(tmpdir):
j = journal.Reader(path=tmpdir.strpath)
with j:
j.messageid_match(id128.SD_MESSAGE_JOURNAL_START)
j.messageid_match(id128.SD_MESSAGE_JOURNAL_STOP.hex)
def test_reader_this_boot(tmpdir):
j = journal.Reader(path=tmpdir.strpath)
with j:
j.this_boot()
j.this_boot(TEST_MID)
j.this_boot(TEST_MID.hex)
def test_reader_this_machine(tmpdir):
j = journal.Reader(path=tmpdir.strpath)
with j:
j.this_machine()
j.this_machine(TEST_MID)
j.this_machine(TEST_MID.hex)
def test_reader_query_unique(tmpdir):
j = journal.Reader(path=tmpdir.strpath)
with j:
with skip_oserror(errno.ENOSYS):
ans = j.query_unique('FOOBAR')
assert isinstance(ans, set)
assert ans == set()
def test_reader_enumerate_fields(tmpdir):
j = journal.Reader(path=tmpdir.strpath)
with j:
with skip_oserror(errno.ENOSYS):
ans = j.enumerate_fields()
assert isinstance(ans, set)
assert ans == set()
def test_reader_has_runtime_files(tmpdir):
j = journal.Reader(path=tmpdir.strpath)
with j:
with skip_oserror(errno.ENOSYS):
ans = j.has_runtime_files()
assert ans is False
def test_reader_has_persistent_files(tmpdir):
j = journal.Reader(path=tmpdir.strpath)
with j:
with skip_oserror(errno.ENOSYS):
ans = j.has_runtime_files()
assert ans is False
def test_reader_converters(tmpdir):
converters = {'xxx' : lambda arg: 'yyy'}
j = journal.Reader(path=tmpdir.strpath, converters=converters)
val = j._convert_field('xxx', b'abc')
assert val == 'yyy'
val = j._convert_field('zzz', b'\200\200')
assert val == b'\200\200'
def test_reader_convert_entry(tmpdir):
converters = {'x1' : lambda arg: 'yyy',
'x2' : lambda arg: 'YYY'}
j = journal.Reader(path=tmpdir.strpath, converters=converters)
val = j._convert_entry({'x1' : b'abc',
'y1' : b'\200\200',
'x2' : [b'abc', b'def'],
'y2' : [b'\200\200', b'\200\201']})
assert val == {'x1' : 'yyy',
'y1' : b'\200\200',
'x2' : ['YYY', 'YYY'],
'y2' : [b'\200\200', b'\200\201']}
def test_seek_realtime(tmpdir):
j = journal.Reader(path=tmpdir.strpath)
now = time.time()
j.seek_realtime(now)
j.seek_realtime(12345)
long_ago = datetime.datetime(1970, 5, 4)
j.seek_realtime(long_ago)
def test_journal_stream():
# This will fail when running in a bare chroot without /run/systemd/journal/stdout
with skip_oserror(errno.ENOENT):
stream = journal.stream('test_journal.py')
res = stream.write('message...\n')
assert res in (11, None) # Python2 returns None
print('printed message...', file=stream)
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