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