1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
# -*- coding: utf-8 -*-
# Copyright 2023 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
# limitations under the License.
from confluent_kafka import TopicPartition, IsolationLevel
from confluent_kafka.admin import ListOffsetsResultInfo, OffsetSpec
def test_list_offsets(kafka_cluster):
"""
Test list offsets results when asking for the earliest offset (the first one),
the latest offset (last one), max timestamp (second one)
or after a specific timestamp (second one).
"""
admin_client = kafka_cluster.admin()
# Create a topic with a single partition
topic = kafka_cluster.create_topic_and_wait_propogation("test-topic-verify-list-offsets",
{
"num_partitions": 1,
"replication_factor": 1,
})
# Create Producer instance
p = kafka_cluster.producer()
base_timestamp = 1000000000
p.produce(topic, "Message-1", timestamp=(base_timestamp + 100))
p.produce(topic, "Message-2", timestamp=(base_timestamp + 400))
p.produce(topic, "Message-3", timestamp=(base_timestamp + 200))
p.flush()
topic_partition = TopicPartition(topic, 0)
for kwargs in [{},
{"isolation_level": IsolationLevel.READ_UNCOMMITTED},
{"request_timeout": 30},
{"isolation_level": IsolationLevel.READ_COMMITTED, "request_timeout": 30}]:
requests = {topic_partition: OffsetSpec.earliest()}
futmap = admin_client.list_offsets(requests, **kwargs)
for _, fut in futmap.items():
result = fut.result()
assert isinstance(result, ListOffsetsResultInfo)
assert (result.offset == 0)
requests = {topic_partition: OffsetSpec.latest()}
futmap = admin_client.list_offsets(requests, **kwargs)
for _, fut in futmap.items():
result = fut.result()
assert isinstance(result, ListOffsetsResultInfo)
assert (result.offset == 3)
requests = {topic_partition: OffsetSpec.max_timestamp()}
futmap = admin_client.list_offsets(requests, **kwargs)
for _, fut in futmap.items():
result = fut.result()
assert isinstance(result, ListOffsetsResultInfo)
assert (result.offset == 1)
requests = {topic_partition: OffsetSpec.for_timestamp(base_timestamp + 150)}
futmap = admin_client.list_offsets(requests, **kwargs)
for _, fut in futmap.items():
result = fut.result()
assert isinstance(result, ListOffsetsResultInfo)
assert (result.offset == 1)
# Delete created topic
fs = admin_client.delete_topics([topic])
for topic, f in fs.items():
f.result()
|
