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#!/usr/bin/env python
from confluent_kafka import TopicPartition
def test_sort():
""" TopicPartition sorting (rich comparator) """
# sorting uses the comparator
correct = [TopicPartition('topic1', 3),
TopicPartition('topic3', 0),
TopicPartition('topicA', 5),
TopicPartition('topicA', 5)]
tps = sorted([TopicPartition('topicA', 5),
TopicPartition('topic3', 0),
TopicPartition('topicA', 5),
TopicPartition('topic1', 3)])
assert correct == tps
def test_cmp():
""" TopicPartition comparator """
assert TopicPartition('aa', 19002) > TopicPartition('aa', 0)
assert TopicPartition('aa', 13) >= TopicPartition('aa', 12)
assert TopicPartition('BaB', 9) != TopicPartition('Card', 9)
assert TopicPartition('b3x', 4) == TopicPartition('b3x', 4)
assert TopicPartition('ulv', 2) < TopicPartition('xy', 0)
assert TopicPartition('ulv', 2) <= TopicPartition('ulv', 3)
def test_hash():
tp1 = TopicPartition('test', 99)
tp2 = TopicPartition('somethingelse', 12)
assert hash(tp1) != hash(tp2)
def test_subclassing():
class SubTopicPartition(TopicPartition):
def __init__(self, topic_part_str):
topic, part = topic_part_str.split(":")
super(SubTopicPartition, self).__init__(topic=topic, partition=int(part))
st = SubTopicPartition("topic1:0")
assert st.topic == "topic1"
assert st.partition == 0
st = SubTopicPartition("topic2:920")
assert st.topic == "topic2"
assert st.partition == 920
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