207 lines
6.7 KiB
Python
207 lines
6.7 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging as std_logging
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import os
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import warnings
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import fixtures
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from oslo_db.sqlalchemy import session
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from oslo_utils import timeutils
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import sqlalchemy as sa
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from sqlalchemy import exc as sqla_exc
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from barbican.model import models
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_TRUE_VALUES = ('True', 'true', '1', 'yes')
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class SessionQueryFixture(fixtures.Fixture):
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"""Fixture for testing queries on a session
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This fixture creates a SQLAlchemy sessionmaker for an in-memory
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sqlite database with sample data.
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"""
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def _setUp(self):
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self._engine = session.create_engine('sqlite:///:memory:')
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self.Session = sa.orm.sessionmaker(bind=self._engine)
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self.external_id = 'EXTERNAL_ID'
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models.BASE.metadata.create_all(self._engine)
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self._load_sample_data()
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def _load_sample_data(self):
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sess = self.Session()
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proj = models.Project()
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proj.external_id = self.external_id
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sess.add(proj)
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sess.commit() # commit to add proj.id
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self._add_secret(sess, proj, 'A',
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'2016-01-01T00:00:00',
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'2016-01-01T00:00:00')
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self._add_secret(sess, proj, 'B',
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'2016-02-01T00:00:00',
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'2016-02-01T00:00:00')
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self._add_secret(sess, proj, 'C',
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'2016-03-01T00:00:00',
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'2016-03-01T00:00:00')
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self._add_secret(sess, proj, 'D',
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'2016-04-01T00:00:00',
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'2016-04-01T00:00:00')
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self._add_secret(sess, proj, 'E',
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'2016-05-01T00:00:00',
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'2016-05-01T00:00:00')
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self._add_secret(sess, proj, 'F',
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'2016-06-01T00:00:00',
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'2016-06-01T00:00:00')
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sess.commit() # commit all secrets
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def _add_secret(self, session, project, name, created_at, updated_at):
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s = models.Secret()
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s.name = name
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s.created_at = timeutils.parse_isotime(created_at)
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s.updated_at = timeutils.parse_isotime(updated_at)
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s.project_id = project.id
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session.add(s)
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class NullHandler(std_logging.Handler):
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"""custom default NullHandler to attempt to format the record.
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Used in conjunction with
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log_fixture.get_logging_handle_error_fixture to detect formatting errors in
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debug level logs without saving the logs.
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"""
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def handle(self, record):
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self.format(record)
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def emit(self, record):
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pass
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def createLock(self):
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self.lock = None
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class StandardLogging(fixtures.Fixture):
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"""Setup Logging redirection for tests.
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There are a number of things we want to handle with logging in tests:
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* Redirect the logging to somewhere that we can test or dump it later.
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* Ensure that as many DEBUG messages as possible are actually
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executed, to ensure they are actually syntactically valid (they
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often have not been).
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* Ensure that we create useful output for tests that doesn't
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overwhelm the testing system (which means we can't capture the
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100 MB of debug logging on every run).
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To do this we create a logger fixture at the root level, which
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defaults to INFO and create a Null Logger at DEBUG which lets
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us execute log messages at DEBUG but not keep the output.
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To support local debugging OS_DEBUG=True can be set in the
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environment, which will print out the full debug logging.
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There are also a set of overrides for particularly verbose
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modules to be even less than INFO.
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"""
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def setUp(self):
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super(StandardLogging, self).setUp()
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# set root logger to debug
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root = std_logging.getLogger()
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root.setLevel(std_logging.INFO)
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# supports collecting debug level for local runs
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if os.environ.get('OS_DEBUG') in _TRUE_VALUES:
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level = std_logging.DEBUG
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else:
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level = std_logging.INFO
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# Collect logs
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fs = '%(asctime)s %(levelname)s [%(name)s] %(message)s'
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self.logger = self.useFixture(
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fixtures.FakeLogger(format=fs, level=None))
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# TODO(sdague): why can't we send level through the fake
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# logger? Tests prove that it breaks, but it's worth getting
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# to the bottom of.
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root.handlers[0].setLevel(level)
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if level > std_logging.DEBUG:
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# Just attempt to format debug level logs, but don't save them
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handler = NullHandler()
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self.useFixture(fixtures.LogHandler(handler, nuke_handlers=False))
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handler.setLevel(std_logging.DEBUG)
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# At times we end up calling back into main() functions in
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# testing. This has the possibility of calling logging.setup
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# again, which completely unwinds the logging capture we've
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# created here. Once we've setup the logging in the way we want,
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# disable the ability for the test to change this.
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def fake_logging_setup(*args):
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pass
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self.useFixture(
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fixtures.MonkeyPatch('oslo_log.log.setup', fake_logging_setup))
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class WarningsFixture(fixtures.Fixture):
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"""Filters out warnings during test runs."""
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def setUp(self):
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super().setUp()
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self._original_warning_filters = warnings.filters[:]
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warnings.simplefilter('once', DeprecationWarning)
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# Enable deprecation warnings for barbican itself to capture upcoming
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# SQLAlchemy changes
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warnings.filterwarnings(
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'ignore',
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category=sqla_exc.SADeprecationWarning,
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)
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warnings.filterwarnings(
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'error',
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module='barbican',
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category=sqla_exc.SADeprecationWarning,
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)
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# Enable general SQLAlchemy warnings also to ensure we're not doing
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# silly stuff. It's possible that we'll need to filter things out here
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# with future SQLAlchemy versions, but that's a good thing
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warnings.filterwarnings(
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'error',
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module='barbican',
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category=sqla_exc.SAWarning,
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)
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self.addCleanup(self._reset_warning_filters)
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def _reset_warning_filters(self):
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warnings.filters[:] = self._original_warning_filters
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