122 lines
3.7 KiB
Python
122 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2019 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import json
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import logging
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from io import StringIO
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from synapse.logging._terse_json import JsonFormatter, TerseJsonFormatter
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from tests.logging import LoggerCleanupMixin
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from tests.unittest import TestCase
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class TerseJsonTestCase(LoggerCleanupMixin, TestCase):
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def test_terse_json_output(self):
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"""
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The Terse JSON formatter converts log messages to JSON.
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"""
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output = StringIO()
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handler = logging.StreamHandler(output)
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handler.setFormatter(TerseJsonFormatter())
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logger = self.get_logger(handler)
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logger.info("Hello there, %s!", "wally")
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# One log message, with a single trailing newline.
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data = output.getvalue()
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logs = data.splitlines()
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self.assertEqual(len(logs), 1)
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self.assertEqual(data.count("\n"), 1)
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log = json.loads(logs[0])
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# The terse logger should give us these keys.
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expected_log_keys = [
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"log",
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"time",
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"level",
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"namespace",
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]
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self.assertCountEqual(log.keys(), expected_log_keys)
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self.assertEqual(log["log"], "Hello there, wally!")
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def test_extra_data(self):
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"""
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Additional information can be included in the structured logging.
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"""
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output = StringIO()
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handler = logging.StreamHandler(output)
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handler.setFormatter(TerseJsonFormatter())
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logger = self.get_logger(handler)
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logger.info(
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"Hello there, %s!", "wally", extra={"foo": "bar", "int": 3, "bool": True}
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)
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# One log message, with a single trailing newline.
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data = output.getvalue()
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logs = data.splitlines()
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self.assertEqual(len(logs), 1)
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self.assertEqual(data.count("\n"), 1)
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log = json.loads(logs[0])
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# The terse logger should give us these keys.
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expected_log_keys = [
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"log",
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"time",
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"level",
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"namespace",
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# The additional keys given via extra.
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"foo",
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"int",
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"bool",
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]
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self.assertCountEqual(log.keys(), expected_log_keys)
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# Check the values of the extra fields.
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self.assertEqual(log["foo"], "bar")
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self.assertEqual(log["int"], 3)
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self.assertIs(log["bool"], True)
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def test_json_output(self):
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"""
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The Terse JSON formatter converts log messages to JSON.
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"""
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output = StringIO()
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handler = logging.StreamHandler(output)
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handler.setFormatter(JsonFormatter())
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logger = self.get_logger(handler)
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logger.info("Hello there, %s!", "wally")
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# One log message, with a single trailing newline.
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data = output.getvalue()
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logs = data.splitlines()
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self.assertEqual(len(logs), 1)
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self.assertEqual(data.count("\n"), 1)
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log = json.loads(logs[0])
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# The terse logger should give us these keys.
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expected_log_keys = [
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"log",
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"level",
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"namespace",
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]
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self.assertCountEqual(log.keys(), expected_log_keys)
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self.assertEqual(log["log"], "Hello there, wally!")
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