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'''
conftest.py - this file is part of S3QL.
Copyright © 2008 Nikolaus Rath <Nikolaus@rath.org>
This work can be distributed under the terms of the GNU GPLv3.
This module is loaded automatically by py.test and is used to
initialize logging and adjust the load path before running
any tests.
'''
import faulthandler
import gc
import logging.handlers
import os.path
import signal
import sys
import time
import pytest
import pytest_trio
assert pytest_trio # suppress unused import warning
# If a test fails, wait a moment before retrieving the captured
# stdout/stderr. When using a server process (like in t4_fuse.py), this makes
# sure that we capture any potential output of the server that comes *after* a
# test has failed. For example, if a request handler raises an exception, the
# server first signals an error to FUSE (causing the test to fail), and then
# logs the exception. Without the extra delay, the exception will go into
# nowhere.
@pytest.hookimpl(hookwrapper=True)
def pytest_pyfunc_call(pyfuncitem):
outcome = yield
failed = outcome.excinfo is not None
if failed:
time.sleep(1)
@pytest.fixture(scope="class")
def s3ql_cmd_argv(request):
'''Provide argument list to execute s3ql commands in tests'''
if request.config.getoption('installed'):
yield lambda cmd: [cmd]
else:
basedir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
yield lambda cmd: [sys.executable, os.path.join(basedir, 'bin', cmd)]
# Enable output checks
pytest_plugins = ('pytest_checklogs',)
@pytest.fixture()
def pass_reg_output(request, reg_output):
'''Provide reg_output function to UnitTest instances'''
request.instance.reg_output = reg_output
@pytest.fixture()
def pass_s3ql_cmd_argv(request, s3ql_cmd_argv):
'''Provide s3ql_cmd_argv function to UnitTest instances'''
request.instance.s3ql_cmd_argv = s3ql_cmd_argv
def pytest_addoption(parser):
group = parser.getgroup("terminal reporting")
group._addoption(
"--logdebug",
action="append",
metavar='<module>',
help="Activate debugging output from <module> for tests. Use `all` "
"to get debug messages from all modules. This option can be "
"specified multiple times.",
)
group = parser.getgroup("general")
group._addoption(
"--installed", action="store_true", default=False, help="Test the installed package."
)
def pytest_configure(config):
# If we are running from the S3QL source directory, make sure that we
# load modules from here
basedir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
if not config.getoption('installed'):
if os.path.exists(os.path.join(basedir, 'setup.py')) and os.path.exists(
os.path.join(basedir, 'src', 's3ql', '__init__.py')
):
sys.path = [os.path.join(basedir, 'src')] + sys.path
# Enable all warnings for subprocesses. This is not optimal, because they will be treated like
# other log messages (rather than captured as warnings by pytest) and can thus trigger test
# failures. Therefore, we only enable this when running from Git. Note that logging.py
# has additional logic to suppress some unactionable warnings, which is triggered by the
# dummy entry.
if os.path.exists(os.path.join(basedir, '.git')):
os.environ['PYTHONWARNINGS'] = 'default,default:set_by_conftest'
# Enable faulthandler
faultlog_fd = os.open(
os.path.join(basedir, 'tests', 'test_crit.log'),
flags=os.O_APPEND | os.O_CREAT | os.O_WRONLY,
mode=0o644,
)
faulthandler.enable(faultlog_fd)
faulthandler.register(signal.SIGUSR1, file=faultlog_fd)
# Configure logging. We don't set a default handler but rely on
# the catchlog pytest plugin.
logdebug = config.getoption('logdebug')
root_logger = logging.getLogger()
if logdebug is not None:
if 'all' in logdebug:
root_logger.setLevel(logging.DEBUG)
else:
for module in logdebug:
logging.getLogger(module).setLevel(logging.DEBUG)
else:
root_logger.setLevel(logging.INFO)
# Run gc.collect() at the end of every test, so that we get ResourceWarnings
# as early as possible.
def pytest_runtest_teardown(item, nextitem):
gc.collect()
|
