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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2020 Confluent Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limit
#
import pytest
from confluent_kafka import TopicPartition, OFFSET_END, KafkaError
from confluent_kafka.error import ConsumeError
from confluent_kafka.serialization import StringSerializer
def test_consume_error(kafka_cluster):
"""
Tests to ensure librdkafka errors are propagated as
an instance of ConsumeError.
"""
topic = kafka_cluster.create_topic("test_commit_transaction")
consumer_conf = {'group.id': 'pytest', 'enable.partition.eof': True}
producer = kafka_cluster.producer()
producer.produce(topic=topic, value="a")
producer.flush()
consumer = kafka_cluster.consumer(consumer_conf,
value_deserializer=StringSerializer())
consumer.assign([TopicPartition(topic, 0, OFFSET_END)])
with pytest.raises(ConsumeError) as exc_info:
# Trigger EOF error
consumer.poll()
assert exc_info.value.args[0].code() == KafkaError._PARTITION_EOF, \
"Expected _PARTITION_EOF, not {}".format(exc_info)
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