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https://github.com/sprockets/sprockets.logging.git
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44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
import logging
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import uuid
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import unittest
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import sprockets.logging
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class Prototype(object):
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pass
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class RecordingHandler(logging.FileHandler):
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def __init__(self):
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logging.FileHandler.__init__(self, filename='/dev/null')
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self.log_lines = []
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def format(self, record):
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log_line = logging.FileHandler.format(self, record)
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self.log_lines.append(log_line)
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return log_line
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class ContextFilterTests(unittest.TestCase):
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def setUp(self):
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super(ContextFilterTests, self).setUp()
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self.logger = logging.getLogger(uuid.uuid4().hex)
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self.handler = RecordingHandler()
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self.logger.addHandler(self.handler)
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def test_that_filter_blocks_key_errors(self):
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formatter = logging.Formatter('%(message)s [%(context)s]')
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self.handler.setFormatter(formatter)
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self.handler.addFilter(sprockets.logging.ContextFilter(
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properties=['context']))
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self.logger.info('hi there')
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def test_that_filter_does_not_overwrite_extras(self):
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formatter = logging.Formatter('%(message)s [%(context)s]')
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self.handler.setFormatter(formatter)
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self.handler.addFilter(sprockets.logging.ContextFilter(
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properties=['context']))
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self.logger.info('hi there', extra={'context': 'foo'})
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self.assertEqual(self.handler.log_lines[-1], 'hi there [foo]')
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