beets/test/test_logging.py
2024-08-12 08:43:41 +01:00

275 lines
9.3 KiB
Python

"""Stupid tests that ensure logging works as expected"""
import logging as log
import sys
import threading
from io import StringIO
import beets.logging as blog
import beetsplug
from beets import plugins, ui
from beets.test import _common, helper
from beets.test.helper import (
AsIsImporterMixin,
BeetsTestCase,
ImportTestCase,
PluginMixin,
)
class LoggingTest(BeetsTestCase):
def test_logging_management(self):
l1 = log.getLogger("foo123")
l2 = blog.getLogger("foo123")
self.assertEqual(l1, l2)
self.assertEqual(l1.__class__, log.Logger)
l3 = blog.getLogger("bar123")
l4 = log.getLogger("bar123")
self.assertEqual(l3, l4)
self.assertEqual(l3.__class__, blog.BeetsLogger)
self.assertIsInstance(
l3, (blog.StrFormatLogger, blog.ThreadLocalLevelLogger)
)
l5 = l3.getChild("shalala")
self.assertEqual(l5.__class__, blog.BeetsLogger)
l6 = blog.getLogger()
self.assertNotEqual(l1, l6)
def test_str_format_logging(self):
l = blog.getLogger("baz123")
stream = StringIO()
handler = log.StreamHandler(stream)
l.addHandler(handler)
l.propagate = False
l.warning("foo {0} {bar}", "oof", bar="baz")
handler.flush()
assert stream.getvalue(), "foo oof baz"
class LoggingLevelTest(AsIsImporterMixin, PluginMixin, ImportTestCase):
plugin = "dummy"
class DummyModule:
class DummyPlugin(plugins.BeetsPlugin):
def __init__(self):
plugins.BeetsPlugin.__init__(self, "dummy")
self.import_stages = [self.import_stage]
self.register_listener("dummy_event", self.listener)
def log_all(self, name):
self._log.debug("debug " + name)
self._log.info("info " + name)
self._log.warning("warning " + name)
def commands(self):
cmd = ui.Subcommand("dummy")
cmd.func = lambda _, __, ___: self.log_all("cmd")
return (cmd,)
def import_stage(self, session, task):
self.log_all("import_stage")
def listener(self):
self.log_all("listener")
def setUp(self):
sys.modules["beetsplug.dummy"] = self.DummyModule
beetsplug.dummy = self.DummyModule
super().setUp()
def test_command_level0(self):
self.config["verbose"] = 0
with helper.capture_log() as logs:
self.run_command("dummy")
self.assertIn("dummy: warning cmd", logs)
self.assertIn("dummy: info cmd", logs)
self.assertNotIn("dummy: debug cmd", logs)
def test_command_level1(self):
self.config["verbose"] = 1
with helper.capture_log() as logs:
self.run_command("dummy")
self.assertIn("dummy: warning cmd", logs)
self.assertIn("dummy: info cmd", logs)
self.assertIn("dummy: debug cmd", logs)
def test_command_level2(self):
self.config["verbose"] = 2
with helper.capture_log() as logs:
self.run_command("dummy")
self.assertIn("dummy: warning cmd", logs)
self.assertIn("dummy: info cmd", logs)
self.assertIn("dummy: debug cmd", logs)
def test_listener_level0(self):
self.config["verbose"] = 0
with helper.capture_log() as logs:
plugins.send("dummy_event")
self.assertIn("dummy: warning listener", logs)
self.assertNotIn("dummy: info listener", logs)
self.assertNotIn("dummy: debug listener", logs)
def test_listener_level1(self):
self.config["verbose"] = 1
with helper.capture_log() as logs:
plugins.send("dummy_event")
self.assertIn("dummy: warning listener", logs)
self.assertIn("dummy: info listener", logs)
self.assertNotIn("dummy: debug listener", logs)
def test_listener_level2(self):
self.config["verbose"] = 2
with helper.capture_log() as logs:
plugins.send("dummy_event")
self.assertIn("dummy: warning listener", logs)
self.assertIn("dummy: info listener", logs)
self.assertIn("dummy: debug listener", logs)
def test_import_stage_level0(self):
self.config["verbose"] = 0
with helper.capture_log() as logs:
self.run_asis_importer()
self.assertIn("dummy: warning import_stage", logs)
self.assertNotIn("dummy: info import_stage", logs)
self.assertNotIn("dummy: debug import_stage", logs)
def test_import_stage_level1(self):
self.config["verbose"] = 1
with helper.capture_log() as logs:
self.run_asis_importer()
self.assertIn("dummy: warning import_stage", logs)
self.assertIn("dummy: info import_stage", logs)
self.assertNotIn("dummy: debug import_stage", logs)
def test_import_stage_level2(self):
self.config["verbose"] = 2
with helper.capture_log() as logs:
self.run_asis_importer()
self.assertIn("dummy: warning import_stage", logs)
self.assertIn("dummy: info import_stage", logs)
self.assertIn("dummy: debug import_stage", logs)
@_common.slow_test()
class ConcurrentEventsTest(AsIsImporterMixin, ImportTestCase):
"""Similar to LoggingLevelTest but lower-level and focused on multiple
events interaction. Since this is a bit heavy we don't do it in
LoggingLevelTest.
"""
db_on_disk = True
class DummyPlugin(plugins.BeetsPlugin):
def __init__(self, test_case):
plugins.BeetsPlugin.__init__(self, "dummy")
self.register_listener("dummy_event1", self.listener1)
self.register_listener("dummy_event2", self.listener2)
self.lock1 = threading.Lock()
self.lock2 = threading.Lock()
self.test_case = test_case
self.exc = None
self.t1_step = self.t2_step = 0
def log_all(self, name):
self._log.debug("debug " + name)
self._log.info("info " + name)
self._log.warning("warning " + name)
def listener1(self):
try:
self.test_case.assertEqual(self._log.level, log.INFO)
self.t1_step = 1
self.lock1.acquire()
self.test_case.assertEqual(self._log.level, log.INFO)
self.t1_step = 2
except Exception as e:
self.exc = e
def listener2(self):
try:
self.test_case.assertEqual(self._log.level, log.DEBUG)
self.t2_step = 1
self.lock2.acquire()
self.test_case.assertEqual(self._log.level, log.DEBUG)
self.t2_step = 2
except Exception as e:
self.exc = e
def test_concurrent_events(self):
dp = self.DummyPlugin(self)
def check_dp_exc():
if dp.exc:
raise dp.exc
try:
dp.lock1.acquire()
dp.lock2.acquire()
self.assertEqual(dp._log.level, log.NOTSET)
self.config["verbose"] = 1
t1 = threading.Thread(target=dp.listeners["dummy_event1"][0])
t1.start() # blocked. t1 tested its log level
while dp.t1_step != 1:
check_dp_exc()
assert t1.is_alive()
self.assertEqual(dp._log.level, log.NOTSET)
self.config["verbose"] = 2
t2 = threading.Thread(target=dp.listeners["dummy_event2"][0])
t2.start() # blocked. t2 tested its log level
while dp.t2_step != 1:
check_dp_exc()
assert t2.is_alive()
self.assertEqual(dp._log.level, log.NOTSET)
dp.lock1.release() # dummy_event1 tests its log level + finishes
while dp.t1_step != 2:
check_dp_exc()
t1.join(0.1)
assert not t1.is_alive()
assert t2.is_alive()
self.assertEqual(dp._log.level, log.NOTSET)
dp.lock2.release() # dummy_event2 tests its log level + finishes
while dp.t2_step != 2:
check_dp_exc()
t2.join(0.1)
assert not t2.is_alive()
except Exception:
print("Alive threads:", threading.enumerate())
if dp.lock1.locked():
print("Releasing lock1 after exception in test")
dp.lock1.release()
if dp.lock2.locked():
print("Releasing lock2 after exception in test")
dp.lock2.release()
print("Alive threads:", threading.enumerate())
raise
def test_root_logger_levels(self):
"""Root logger level should be shared between threads."""
self.config["threaded"] = True
blog.getLogger("beets").set_global_level(blog.WARNING)
with helper.capture_log() as logs:
self.run_asis_importer()
self.assertEqual(logs, [])
blog.getLogger("beets").set_global_level(blog.INFO)
with helper.capture_log() as logs:
self.run_asis_importer()
for l in logs:
self.assertIn("import", l)
self.assertIn("album", l)
blog.getLogger("beets").set_global_level(blog.DEBUG)
with helper.capture_log() as logs:
self.run_asis_importer()
self.assertIn("Sending event: database_change", logs)