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#!/usr/bin/env python
from io import StringIO
import logging
import confluent_kafka
import confluent_kafka.avro
import confluent_kafka.admin
from tests.common import TestConsumer
from tests.common.schema_registry import TestAvroConsumer
class CountingFilter(logging.Filter):
def __init__(self, name):
self.name = name
self.cnt = 0
def filter(self, record):
print(self.name, record.getMessage())
self.cnt += 1
print(record)
def _setup_string_buffer_logger(name):
stringBuffer = StringIO()
logger = logging.getLogger(name)
logger.setLevel(logging.DEBUG)
handler = logging.StreamHandler(stringBuffer)
handler.setFormatter(logging.Formatter('%(name)s Logger | %(message)s'))
logger.addHandler(handler)
return stringBuffer, logger
def test_logging_consumer():
""" Tests that logging works """
logger = logging.getLogger('consumer')
logger.setLevel(logging.DEBUG)
f = CountingFilter('consumer')
logger.addFilter(f)
kc = TestConsumer({'group.id': 'test',
'debug': 'all'},
logger=logger)
while f.cnt == 0:
kc.poll(timeout=0.5)
print('%s: %d log messages seen' % (f.name, f.cnt))
kc.close()
def test_logging_avro_consumer():
""" Tests that logging works """
logger = logging.getLogger('avroconsumer')
logger.setLevel(logging.DEBUG)
f = CountingFilter('avroconsumer')
logger.addFilter(f)
kc = TestAvroConsumer({'schema.registry.url': 'http://example.com',
'group.id': 'test',
'debug': 'all'},
logger=logger)
while f.cnt == 0:
kc.poll(timeout=0.5)
print('%s: %d log messages seen' % (f.name, f.cnt))
kc.close()
def test_logging_producer():
""" Tests that logging works """
logger = logging.getLogger('producer')
logger.setLevel(logging.DEBUG)
f = CountingFilter('producer')
logger.addFilter(f)
p = confluent_kafka.Producer({'debug': 'all'}, logger=logger)
while f.cnt == 0:
p.poll(timeout=0.5)
print('%s: %d log messages seen' % (f.name, f.cnt))
def test_logging_avro_producer():
""" Tests that logging works """
logger = logging.getLogger('avroproducer')
logger.setLevel(logging.DEBUG)
f = CountingFilter('avroproducer')
logger.addFilter(f)
p = confluent_kafka.avro.AvroProducer({'schema.registry.url': 'http://example.com',
'debug': 'all'},
logger=logger)
while f.cnt == 0:
p.poll(timeout=0.5)
print('%s: %d log messages seen' % (f.name, f.cnt))
def test_logging_constructor():
""" Verify different forms of constructors """
for how in ['dict', 'dict+kwarg', 'kwarg']:
logger = logging.getLogger('producer: ' + how)
logger.setLevel(logging.DEBUG)
f = CountingFilter(logger.name)
logger.addFilter(f)
if how == 'dict':
p = confluent_kafka.Producer({'debug': 'all', 'logger': logger})
elif how == 'dict+kwarg':
p = confluent_kafka.Producer({'debug': 'all'}, logger=logger)
elif how == 'kwarg':
conf = {'debug': 'all', 'logger': logger}
p = confluent_kafka.Producer(**conf)
else:
raise RuntimeError('Not reached')
print('Test %s with %s' % (p, how))
while f.cnt == 0:
p.poll(timeout=0.5)
print('%s: %s: %d log messages seen' % (how, f.name, f.cnt))
def test_producer_logger_logging_in_given_format():
"""Test that asserts that logging is working by matching part of the log message"""
stringBuffer, logger = _setup_string_buffer_logger('Producer')
p = confluent_kafka.Producer(
{"bootstrap.servers": "test", "logger": logger, "debug": "msg"})
val = 1
while val > 0:
val = p.flush()
logMessage = stringBuffer.getvalue().strip()
stringBuffer.close()
print(logMessage)
assert "Producer Logger | INIT" in logMessage
def test_consumer_logger_logging_in_given_format():
"""Test that asserts that logging is working by matching part of the log message"""
stringBuffer, logger = _setup_string_buffer_logger('Consumer')
c = TestConsumer(
{"bootstrap.servers": "test", "group.id": "test", "logger": logger, "debug": "msg"})
c.poll(0)
logMessage = stringBuffer.getvalue().strip()
stringBuffer.close()
c.close()
assert "Consumer Logger | INIT" in logMessage
def test_admin_logger_logging_in_given_format_when_provided_in_conf():
"""Test that asserts that logging is working by matching part of the log message"""
stringBuffer, logger = _setup_string_buffer_logger('Admin')
admin_client = confluent_kafka.admin.AdminClient(
{"bootstrap.servers": "test", "logger": logger, "debug": "admin"})
admin_client.poll(0)
logMessage = stringBuffer.getvalue().strip()
stringBuffer.close()
assert "Admin Logger | INIT" in logMessage
def test_admin_logger_logging_in_given_format_when_provided_as_admin_client_argument():
"""Test that asserts that logging is working by matching part of the log message"""
stringBuffer, logger = _setup_string_buffer_logger('Admin')
admin_client = confluent_kafka.admin.AdminClient(
{"bootstrap.servers": "test", "debug": "admin"}, logger=logger)
admin_client.poll(0)
logMessage = stringBuffer.getvalue().strip()
stringBuffer.close()
assert "Admin Logger | INIT" in logMessage
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