Minor test cleanup (#1885)

Remove unused import, whitespace, etc. No functional changes, just
cleaning it up so the diffs of later changes are cleaner.

Author: jeffwidman

test/conftest.py

@@ -10,18 +10,21 @@ def version():
     """Return the Kafka version set in the OS environment"""
     return kafka_version()
 
+
 @pytest.fixture(scope="module")
 def zookeeper():
     """Return a Zookeeper fixture"""
     zk_instance = ZookeeperFixture.instance()
     yield zk_instance
     zk_instance.close()
 
+
 @pytest.fixture(scope="module")
 def kafka_broker(kafka_broker_factory):
     """Return a Kafka broker fixture"""
     return kafka_broker_factory()[0]
 
+
 @pytest.fixture(scope="module")
 def kafka_broker_factory(version, zookeeper):
     """Return a Kafka broker fixture factory"""
@@ -42,6 +45,7 @@ def factory(**broker_params):
     for broker in _brokers:
         broker.close()
 
+
 @pytest.fixture
 def simple_client(kafka_broker, request, topic):
     """Return a SimpleClient fixture"""
@@ -50,18 +54,21 @@ def simple_client(kafka_broker, request, topic):
     yield client
     client.close()
 
+
 @pytest.fixture
 def kafka_client(kafka_broker, request):
     """Return a KafkaClient fixture"""
     (client,) = kafka_broker.get_clients(cnt=1, client_id='%s_client' % (request.node.name,))
     yield client
     client.close()
 
+
 @pytest.fixture
 def kafka_consumer(kafka_consumer_factory):
     """Return a KafkaConsumer fixture"""
     return kafka_consumer_factory()
 
+
 @pytest.fixture
 def kafka_consumer_factory(kafka_broker, topic, request):
     """Return a KafkaConsumer factory fixture"""
@@ -79,11 +86,13 @@ def factory(**kafka_consumer_params):
     if _consumer[0]:
         _consumer[0].close()
 
+
 @pytest.fixture
 def kafka_producer(kafka_producer_factory):
     """Return a KafkaProducer fixture"""
     yield kafka_producer_factory()
 
+
 @pytest.fixture
 def kafka_producer_factory(kafka_broker, request):
     """Return a KafkaProduce factory fixture"""
@@ -100,13 +109,15 @@ def factory(**kafka_producer_params):
     if _producer[0]:
         _producer[0].close()
 
+
 @pytest.fixture
 def topic(kafka_broker, request):
     """Return a topic fixture"""
     topic_name = '%s_%s' % (request.node.name, random_string(10))
     kafka_broker.create_topics([topic_name])
     return topic_name
 
+
 @pytest.fixture
 def conn(mocker):
     """Return a connection mocker fixture"""

test/fixtures.py

@@ -23,28 +23,33 @@
 
 log = logging.getLogger(__name__)
 
+
 def random_string(length):
     return "".join(random.choice(string.ascii_letters) for i in range(length))
 
+
 def version_str_to_tuple(version_str):
     """Transform a version string into a tuple.
 
     Example: '0.8.1.1' --> (0, 8, 1, 1)
     """
     return tuple(map(int, version_str.split('.')))
 
+
 def version():
     if 'KAFKA_VERSION' not in os.environ:
         return ()
     return version_str_to_tuple(os.environ['KAFKA_VERSION'])
 
+
 def get_open_port():
     sock = socket.socket()
     sock.bind(("", 0))
     port = sock.getsockname()[1]
     sock.close()
     return port
 
+
 def gen_ssl_resources(directory):
     os.system("""
     cd {0}
@@ -74,6 +79,7 @@ def gen_ssl_resources(directory):
       -file cert-signed -storepass foobar -noprompt
     """.format(directory))
 
+
 class Fixture(object):
     kafka_version = os.environ.get('KAFKA_VERSION', '0.11.0.2')
     scala_version = os.environ.get("SCALA_VERSION", '2.8.0')
@@ -158,6 +164,7 @@ def render_template(cls, source_file, target_file, binding):
     def dump_logs(self):
         self.child.dump_logs()
 
+
 class ZookeeperFixture(Fixture):
     @classmethod
     def instance(cls):
@@ -496,7 +503,7 @@ def _create_topic(self, topic_name, num_partitions, replication_factor, timeout_
             proc = subprocess.Popen(args, env=env, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
             stdout, stderr = proc.communicate()
             if proc.returncode != 0:
-                if not 'kafka.common.TopicExistsException' in stdout:
+                if 'kafka.common.TopicExistsException' not in stdout:
                     self.out("Failed to create topic %s" % (topic_name,))
                     self.out(stdout)
                     self.out(stderr)

test/test_assignors.py

@@ -5,8 +5,7 @@
 
 from kafka.coordinator.assignors.range import RangePartitionAssignor
 from kafka.coordinator.assignors.roundrobin import RoundRobinPartitionAssignor
-from kafka.coordinator.protocol import (
-    ConsumerProtocolMemberMetadata, ConsumerProtocolMemberAssignment)
+from kafka.coordinator.protocol import ConsumerProtocolMemberAssignment
 
 
 @pytest.fixture

test/test_codec.py

@@ -7,7 +7,7 @@
 from kafka.vendor.six.moves import range
 
 from kafka.codec import (
-    has_snappy, has_gzip, has_lz4,
+    has_snappy, has_lz4,
     gzip_encode, gzip_decode,
     snappy_encode, snappy_decode,
     lz4_encode, lz4_decode,

test/test_conn.py

@@ -3,7 +3,6 @@
 
 from errno import EALREADY, EINPROGRESS, EISCONN, ECONNRESET
 import socket
-import time
 
 import mock
 import pytest

test/test_consumer_group.py

@@ -8,7 +8,7 @@
 
 from kafka.conn import ConnectionStates
 from kafka.consumer.group import KafkaConsumer
-from kafka.coordinator.base import MemberState, Generation
+from kafka.coordinator.base import MemberState
 from kafka.structs import TopicPartition
 
 from test.fixtures import random_string, version
@@ -34,8 +34,7 @@ def test_consumer_topics(kafka_broker, topic, version):
     consumer = KafkaConsumer(bootstrap_servers=get_connect_str(kafka_broker))
     # Necessary to drive the IO
     consumer.poll(500)
-    consumer_topics = consumer.topics()
-    assert topic in consumer_topics
+    assert topic in consumer.topics()
     assert len(consumer.partitions_for_topic(topic)) > 0
     consumer.close()
 

test/test_protocol.py

@@ -3,7 +3,6 @@
 import struct
 
 import pytest
-from kafka.vendor import six
 
 from kafka.protocol.api import RequestHeader
 from kafka.protocol.commit import GroupCoordinatorRequest

test/testutil.py

@@ -44,10 +44,10 @@ def construct_lambda(s):
             op_str = '='
             v_str = s
         elif s[1].isdigit():
-            op_str = s[0] # ! < > =
+            op_str = s[0]  # ! < > =
             v_str = s[1:]
         elif s[2].isdigit():
-            op_str = s[0:2] # >= <=
+            op_str = s[0:2]  # >= <=
             v_str = s[2:]
         else:
             raise ValueError('Unrecognized kafka version / operator: %s' % (s,))