Files
deb-python-kafka/test/test_client_async.py

128 lines
2.6 KiB
Python

import pytest
from kafka.client_async import KafkaClient
from kafka.common import BrokerMetadata
from kafka.conn import ConnectionStates
from kafka.future import Future
from kafka.protocol.metadata import MetadataResponse, MetadataRequest
@pytest.mark.parametrize("bootstrap,expected_hosts", [
(None, [('localhost', 9092)]),
('foobar:1234', [('foobar', 1234)]),
('fizzbuzz', [('fizzbuzz', 9092)]),
('foo:12,bar:34', [('foo', 12), ('bar', 34)]),
(['fizz:56', 'buzz'], [('fizz', 56), ('buzz', 9092)]),
])
def test_bootstrap_servers(mocker, bootstrap, expected_hosts):
mocker.patch.object(KafkaClient, '_bootstrap')
if bootstrap is None:
KafkaClient()
else:
KafkaClient(bootstrap_servers=bootstrap)
# host order is randomized internally, so resort before testing
(hosts,), _ = KafkaClient._bootstrap.call_args # pylint: disable=no-member
assert sorted(hosts) == sorted(expected_hosts)
@pytest.fixture
def conn(mocker):
conn = mocker.patch('kafka.client_async.BrokerConnection')
conn.return_value = conn
conn.state = ConnectionStates.CONNECTED
conn.send.return_value = Future().success(
MetadataResponse(
[(0, 'foo', 12), (1, 'bar', 34)], # brokers
[])) # topics
return conn
def test_bootstrap_success(conn):
conn.state = ConnectionStates.CONNECTED
cli = KafkaClient()
conn.assert_called_once_with('localhost', 9092, **cli.config)
conn.connect.assert_called_with()
conn.send.assert_called_once_with(MetadataRequest([]))
assert cli._bootstrap_fails == 0
assert cli.cluster.brokers() == set([BrokerMetadata(0, 'foo', 12),
BrokerMetadata(1, 'bar', 34)])
def test_bootstrap_failure(conn):
conn.state = ConnectionStates.DISCONNECTED
cli = KafkaClient()
conn.assert_called_once_with('localhost', 9092, **cli.config)
conn.connect.assert_called_with()
conn.close.assert_called_with()
assert cli._bootstrap_fails == 1
assert cli.cluster.brokers() == set()
def test_can_connect():
pass
def test_initiate_connect():
pass
def test_finish_connect():
pass
def test_ready():
pass
def test_close():
pass
def test_is_disconnected():
pass
def test_is_ready():
pass
def test_can_send_request():
pass
def test_send():
pass
def test_poll():
pass
def test__poll():
pass
def test_in_flight_request_count():
pass
def test_least_loaded_node():
pass
def test_set_topics():
pass
def test_maybe_refresh_metadata():
pass
def test_schedule():
pass
def test_unschedule():
pass