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# Copyright 2015 Facundo Batista
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License version 3, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
# PURPOSE. See the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# For further info, check https://github.com/facundobatista/logassert
"""Tests for the main module."""
import logging
import unittest
import logassert
class FakeTestCase:
"""A fake to record if stuff failed."""
def __init__(self):
self.failed = None
def fail(self, text):
self.failed = text
class BasicUsageTestCase(unittest.TestCase):
"""Basic usage."""
def setUp(self):
self.logger = logging.getLogger()
self.logger.handlers = []
def test_simple_assert_ok(self):
ftc = FakeTestCase()
logassert.setup(ftc, '')
self.logger.debug("test")
ftc.assertLogged("test")
self.assertEqual(ftc.failed, None)
def test_simple_assert_ok_with_replaces(self):
ftc = FakeTestCase()
logassert.setup(ftc, '')
self.logger.debug("test %d %r", 65, 'foobar')
ftc.assertLogged("test", "65", "foobar")
self.assertEqual(ftc.failed, None)
def test_simple_assert_fail(self):
ftc = FakeTestCase()
logassert.setup(ftc, '')
self.logger.debug("test")
ftc.assertLogged("test2")
self.assertEqual(ftc.failed, "Tokens ('test2',) not found, all was logged is...\n"
" DEBUG 'test'")
def test_simple_assert_fail_with_replaces(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
logger.debug("test %d %r", 65, 'foobar')
ftc.assertLogged("test", "pumba")
self.assertEqual(ftc.failed, "Tokens ('test', 'pumba') not found, all was logged is...\n"
" DEBUG \"test 65 'foobar'\"")
def test_avoid_delayed_messaging(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
class Exploding:
"""Explode on delayed str."""
should_explode = False
def __str__(self):
if self.should_explode:
raise ValueError("str exploded")
return "didn't explode"
# log something using the Exploding class
exploding = Exploding()
logger.debug("feeling lucky? %s", exploding)
# now flag the class to explode and check
exploding.should_explode = True
ftc.assertLogged("feeling lucky", "didn't explode")
class LevelsTestCase(unittest.TestCase):
"""Work aware of logging levels."""
def test_assert_different_level_ok_debug(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
logger.debug("test")
ftc.assertLoggedDebug("test")
self.assertEqual(ftc.failed, None)
def test_assert_different_level_ok_info(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
logger.info("test")
ftc.assertLoggedInfo("test")
self.assertEqual(ftc.failed, None)
def test_assert_different_level_ok_error(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
logger.error("test")
ftc.assertLoggedError("test")
self.assertEqual(ftc.failed, None)
def test_assert_different_level_ok_exception(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
try:
raise ValueError("test error")
except Exception:
logger.exception("test message")
ftc.assertLoggedError("test error")
ftc.assertLoggedError("test message")
ftc.assertLoggedError("ValueError")
self.assertEqual(ftc.failed, None)
def test_assert_different_level_ok_warning(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
logger.warning("test")
ftc.assertLoggedWarning("test")
self.assertEqual(ftc.failed, None)
def test_assert_different_level_fail_oneway(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
logger.warning("test")
ftc.assertLoggedDebug("test")
self.assertEqual(ftc.failed, "Tokens ('test',) not found in DEBUG, all was logged is...\n"
" WARNING 'test'")
def test_assert_different_level_fail_inverse(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
logger.debug("test")
ftc.assertLoggedWarning("test")
self.assertEqual(
ftc.failed, "Tokens ('test',) not found in WARNING, all was logged is...\n"
" DEBUG 'test'")
class NotLoggedTestCase(unittest.TestCase):
"""Also check that it wasn't logged."""
def test_simple_ok(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
logger.debug("test")
ftc.assertNotLogged("other")
self.assertEqual(ftc.failed, None)
def test_simple_fail(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
logger.info("test")
ftc.assertNotLogged("test")
self.assertEqual(ftc.failed,
"Tokens ('test',) found in the following record: INFO 'test'")
def test_level_debug_ok(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
logger.info("test")
ftc.assertNotLoggedDebug("test")
self.assertEqual(ftc.failed, None)
def test_level_debug_fail(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
logger.debug("test")
ftc.assertNotLoggedDebug("test")
self.assertEqual(ftc.failed,
"Tokens ('test',) found in the following record: DEBUG 'test'")
def test_level_info(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
logger.debug("test")
ftc.assertNotLoggedInfo("test")
self.assertEqual(ftc.failed, None)
def test_level_warning(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
logger.info("test")
ftc.assertNotLoggedWarning("test")
self.assertEqual(ftc.failed, None)
def test_level_error(self):
ftc = FakeTestCase()
logger = logging.getLogger()
logassert.setup(ftc, '')
logger.info("test")
ftc.assertNotLoggedError("test")
self.assertEqual(ftc.failed, None)
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