powerline/tests/test_logging.py

468 lines
15 KiB
Python

# vim:fileencoding=utf-8:noet
'''Tests for various logging features'''
from __future__ import (unicode_literals, division, absolute_import, print_function)
import sys
import re
import codecs
import os
from io import StringIO
from shutil import rmtree
from powerline import finish_common_config, create_logger
from tests import TestCase
from tests.lib import replace_attr
TIMESTAMP_RE = r'\d{4}-\d\d-\d\d \d\d:\d\d:\d\d,\d{3}'
class TestRE(TestCase):
def assertMatches(self, text, regexp):
self.assertTrue(
re.match(regexp, text),
'{0!r} did not match {1!r}'.format(text, regexp),
)
def close_handlers(logger):
for handler in logger.handlers:
handler.close()
class TestHandlers(TestRE):
def test_stderr_handler_is_default(self):
out = StringIO()
err = StringIO()
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {})
logger, pl, get_module_attr = create_logger(common_config)
pl.error('Foo')
close_handlers(logger)
self.assertMatches(err.getvalue(), '^' + TIMESTAMP_RE + ':ERROR:__unknown__:Foo\n$')
self.assertEqual(out.getvalue(), '')
def test_stream_override(self):
out = StringIO()
err = StringIO()
stream = StringIO()
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {})
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.error('Foo')
close_handlers(logger)
self.assertMatches(stream.getvalue(), '^' + TIMESTAMP_RE + ':ERROR:__unknown__:Foo\n$')
self.assertEqual(err.getvalue(), '')
self.assertEqual(out.getvalue(), '')
def test_explicit_none(self):
out = StringIO()
err = StringIO()
stream = StringIO()
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {'log_file': [None]})
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.error('Foo')
close_handlers(logger)
self.assertMatches(stream.getvalue(), '^' + TIMESTAMP_RE + ':ERROR:__unknown__:Foo\n$')
self.assertEqual(err.getvalue(), '')
self.assertEqual(out.getvalue(), '')
def test_explicit_stream_handler(self):
out = StringIO()
err = StringIO()
stream = StringIO()
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {'log_file': [['logging.StreamHandler', [[]]]]})
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.error('Foo')
close_handlers(logger)
self.assertEqual(stream.getvalue(), '')
self.assertMatches(err.getvalue(), '^' + TIMESTAMP_RE + ':ERROR:__unknown__:Foo\n$')
self.assertEqual(out.getvalue(), '')
def test_explicit_stream_handler_implicit_stream(self):
out = StringIO()
err = StringIO()
stream = StringIO()
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {'log_file': [['logging.StreamHandler', []]]})
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.error('Foo')
close_handlers(logger)
self.assertMatches(stream.getvalue(), '^' + TIMESTAMP_RE + ':ERROR:__unknown__:Foo\n$')
self.assertEqual(err.getvalue(), '')
self.assertEqual(out.getvalue(), '')
def test_file_handler(self):
out = StringIO()
err = StringIO()
stream = StringIO()
file_name = 'test_logging-test_file_handler'
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {'log_file': file_name})
try:
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.error('Foo')
close_handlers(logger)
with codecs.open(file_name, encoding='utf-8') as fp:
self.assertMatches(fp.read(), '^' + TIMESTAMP_RE + ':ERROR:__unknown__:Foo\n$')
finally:
os.unlink(file_name)
self.assertEqual(stream.getvalue(), '')
self.assertEqual(err.getvalue(), '')
self.assertEqual(out.getvalue(), '')
def test_file_handler_create_dir(self):
out = StringIO()
err = StringIO()
stream = StringIO()
file_name = 'test_logging-test_file_handler_create_dir/file'
self.assertFalse(os.path.isdir(os.path.dirname(file_name)))
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {'log_file': file_name})
try:
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.error('Foo')
close_handlers(logger)
self.assertTrue(os.path.isdir(os.path.dirname(file_name)))
with codecs.open(file_name, encoding='utf-8') as fp:
self.assertMatches(fp.read(), '^' + TIMESTAMP_RE + ':ERROR:__unknown__:Foo\n$')
finally:
rmtree(os.path.dirname(file_name))
self.assertEqual(stream.getvalue(), '')
self.assertEqual(err.getvalue(), '')
self.assertEqual(out.getvalue(), '')
def test_multiple_files(self):
out = StringIO()
err = StringIO()
stream = StringIO()
file_name_1 = 'test_logging-test_multiple_files-1'
file_name_2 = file_name_1[:-1] + '2'
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {'log_file': [file_name_1, file_name_2]})
try:
try:
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.error('Foo')
close_handlers(logger)
for file_name in (file_name_1, file_name_2):
with codecs.open(file_name, encoding='utf-8') as fp:
self.assertMatches(fp.read(), '^' + TIMESTAMP_RE + ':ERROR:__unknown__:Foo\n$')
finally:
os.unlink(file_name_1)
finally:
os.unlink(file_name_2)
self.assertEqual(stream.getvalue(), '')
self.assertEqual(err.getvalue(), '')
self.assertEqual(out.getvalue(), '')
def test_multiple_files_and_stream(self):
out = StringIO()
err = StringIO()
stream = StringIO()
file_name_1 = 'test_logging-test_multiple_files_and_stream-1'
file_name_2 = file_name_1[:-1] + '2'
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {'log_file': [file_name_1, file_name_2, None]})
try:
try:
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.error('Foo')
close_handlers(logger)
for file_name in (file_name_1, file_name_2):
with codecs.open(file_name, encoding='utf-8') as fp:
self.assertMatches(fp.read(), '^' + TIMESTAMP_RE + ':ERROR:__unknown__:Foo\n$')
finally:
os.unlink(file_name_1)
finally:
os.unlink(file_name_2)
self.assertMatches(stream.getvalue(), '^' + TIMESTAMP_RE + ':ERROR:__unknown__:Foo\n$')
self.assertEqual(err.getvalue(), '')
self.assertEqual(out.getvalue(), '')
def test_handler_args(self):
out = StringIO()
err = StringIO()
stream = StringIO()
file_name = 'test_logging-test_handler_args'
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {'log_file': [
['RotatingFileHandler', [[file_name]]]
]})
try:
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.error('Foo')
close_handlers(logger)
with codecs.open(file_name, encoding='utf-8') as fp:
self.assertMatches(fp.read(), '^' + TIMESTAMP_RE + ':ERROR:__unknown__:Foo\n$')
finally:
os.unlink(file_name)
self.assertEqual(stream.getvalue(), '')
self.assertEqual(err.getvalue(), '')
self.assertEqual(out.getvalue(), '')
def test_handler_args_kwargs(self):
out = StringIO()
err = StringIO()
stream = StringIO()
file_name = 'test_logging-test_handler_args_kwargs'
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {'log_file': [
['RotatingFileHandler', [[file_name], {'maxBytes': 1, 'backupCount': 1}]]
]})
try:
try:
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.error('Foo')
pl.error('Bar')
close_handlers(logger)
with codecs.open(file_name, encoding='utf-8') as fp:
self.assertMatches(fp.read(), '^' + TIMESTAMP_RE + ':ERROR:__unknown__:Bar\n$')
with codecs.open(file_name + '.1', encoding='utf-8') as fp:
self.assertMatches(fp.read(), '^' + TIMESTAMP_RE + ':ERROR:__unknown__:Foo\n$')
finally:
os.unlink(file_name + '.1')
finally:
os.unlink(file_name)
self.assertEqual(stream.getvalue(), '')
self.assertEqual(err.getvalue(), '')
self.assertEqual(out.getvalue(), '')
def test_logger_level(self):
out = StringIO()
err = StringIO()
stream = StringIO()
stream1 = StringIO()
stream2 = StringIO()
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {'log_file': [
['logging.StreamHandler', [[stream1]], 'WARNING'],
['logging.StreamHandler', [[stream2]], 'ERROR'],
]})
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.warn('Foo')
pl.error('Bar')
close_handlers(logger)
self.assertMatches(stream1.getvalue(), (
'^' + TIMESTAMP_RE + ':WARNING:__unknown__:Foo\n'
+ TIMESTAMP_RE + ':ERROR:__unknown__:Bar\n$'
))
self.assertMatches(stream2.getvalue(), '^' + TIMESTAMP_RE + ':ERROR:__unknown__:Bar\n$')
self.assertEqual(stream.getvalue(), '')
self.assertEqual(err.getvalue(), '')
self.assertEqual(out.getvalue(), '')
def test_logger_level_not_overriding_default(self):
out = StringIO()
err = StringIO()
stream = StringIO()
stream1 = StringIO()
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {'log_file': [
['logging.StreamHandler', [[stream1]], 'DEBUG'],
]})
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.debug('Foo')
pl.error('Bar')
close_handlers(logger)
self.assertMatches(stream1.getvalue(), '^' + TIMESTAMP_RE + ':ERROR:__unknown__:Bar\n$')
self.assertEqual(stream.getvalue(), '')
self.assertEqual(err.getvalue(), '')
self.assertEqual(out.getvalue(), '')
def test_top_log_level(self):
out = StringIO()
err = StringIO()
stream = StringIO()
stream1 = StringIO()
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {'log_file': [
['logging.StreamHandler', [[stream1]], 'DEBUG'],
], 'log_level': 'DEBUG'})
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.debug('Foo')
pl.error('Bar')
close_handlers(logger)
self.assertMatches(stream1.getvalue(), (
'^' + TIMESTAMP_RE + ':DEBUG:__unknown__:Foo\n'
+ TIMESTAMP_RE + ':ERROR:__unknown__:Bar\n$'
))
self.assertEqual(stream.getvalue(), '')
self.assertEqual(err.getvalue(), '')
self.assertEqual(out.getvalue(), '')
def test_logger_format(self):
out = StringIO()
err = StringIO()
stream = StringIO()
stream1 = StringIO()
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {'log_file': [
['logging.StreamHandler', [[stream1]], 'WARNING', 'FOO'],
]})
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.warn('Foo')
pl.error('Bar')
close_handlers(logger)
self.assertEqual(stream1.getvalue(), 'FOO\nFOO\n')
self.assertEqual(stream.getvalue(), '')
self.assertEqual(err.getvalue(), '')
self.assertEqual(out.getvalue(), '')
def test_top_log_format(self):
out = StringIO()
err = StringIO()
stream = StringIO()
stream1 = StringIO()
stream2 = StringIO()
with replace_attr(sys, 'stdout', out, 'stderr', err):
common_config = finish_common_config('utf-8', {'log_file': [
['logging.StreamHandler', [[stream1]], 'WARNING', 'FOO'],
['logging.StreamHandler', [[stream2]], 'WARNING'],
], 'log_format': 'BAR'})
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.warn('Foo')
pl.error('Bar')
close_handlers(logger)
self.assertEqual(stream2.getvalue(), 'BAR\nBAR\n')
self.assertEqual(stream1.getvalue(), 'FOO\nFOO\n')
self.assertEqual(stream.getvalue(), '')
self.assertEqual(err.getvalue(), '')
self.assertEqual(out.getvalue(), '')
class TestPowerlineLogger(TestRE):
def test_args_formatting(self):
stream = StringIO()
common_config = finish_common_config('utf-8', {})
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.warn('foo {0}', 'Test')
pl.warn('bar {0!r}', 'Test')
close_handlers(logger)
self.assertMatches(stream.getvalue(), (
'^' + TIMESTAMP_RE + ':WARNING:__unknown__:foo Test\n'
+ TIMESTAMP_RE + ':WARNING:__unknown__:bar u?\'Test\'\n$'
))
def test_prefix_formatting(self):
stream = StringIO()
common_config = finish_common_config('utf-8', {})
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.prefix = '1'
pl.warn('foo')
pl.prefix = '2'
pl.warn('bar')
close_handlers(logger)
self.assertMatches(stream.getvalue(), (
'^' + TIMESTAMP_RE + ':WARNING:__unknown__:1:foo\n'
+ TIMESTAMP_RE + ':WARNING:__unknown__:2:bar\n$'
))
def test_kwargs_formatting(self):
stream = StringIO()
common_config = finish_common_config('utf-8', {})
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.warn('foo {arg}', arg='Test')
pl.warn('bar {arg!r}', arg='Test')
close_handlers(logger)
self.assertMatches(stream.getvalue(), (
'^' + TIMESTAMP_RE + ':WARNING:__unknown__:foo Test\n'
+ TIMESTAMP_RE + ':WARNING:__unknown__:bar u?\'Test\'\n$'
))
def test_args_kwargs_formatting(self):
stream = StringIO()
common_config = finish_common_config('utf-8', {})
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.warn('foo {0!r} {arg}', 'Test0', arg='Test')
pl.warn('bar {0} {arg!r}', 'Test0', arg='Test')
close_handlers(logger)
self.assertMatches(stream.getvalue(), (
'^' + TIMESTAMP_RE + ':WARNING:__unknown__:foo u?\'Test0\' Test\n'
+ TIMESTAMP_RE + ':WARNING:__unknown__:bar Test0 u?\'Test\'\n$'
))
def test_exception_formatting(self):
stream = StringIO()
common_config = finish_common_config('utf-8', {})
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
try:
raise ValueError('foo')
except ValueError:
pl.exception('Message')
close_handlers(logger)
self.assertMatches(stream.getvalue(), (
'^' + TIMESTAMP_RE + ':ERROR:__unknown__:Message\n'
+ 'Traceback \\(most recent call last\\):\n'
+ '(?: File ".*?", line \\d+, in \\w+\n [^\n]*\n)+'
+ 'ValueError: foo\n$'
))
def test_levels(self):
stream = StringIO()
common_config = finish_common_config('utf-8', {'log_level': 'DEBUG'})
logger, pl, get_module_attr = create_logger(common_config, stream=stream)
pl.debug('1')
pl.info('2')
pl.warn('3')
pl.error('4')
pl.critical('5')
close_handlers(logger)
self.assertMatches(stream.getvalue(), (
'^' + TIMESTAMP_RE + ':DEBUG:__unknown__:1\n'
+ TIMESTAMP_RE + ':INFO:__unknown__:2\n'
+ TIMESTAMP_RE + ':WARNING:__unknown__:3\n'
+ TIMESTAMP_RE + ':ERROR:__unknown__:4\n'
+ TIMESTAMP_RE + ':CRITICAL:__unknown__:5\n$'
))
old_cwd = None
def setUpModule():
global old_cwd
global __file__
old_cwd = os.getcwd()
__file__ = os.path.abspath(__file__)
os.chdir(os.path.dirname(__file__))
def tearDownModule():
global old_cwd
os.chdir(old_cwd)
if __name__ == '__main__':
from tests import main
main()