diff options
author | David Arthur <mumrah@gmail.com> | 2013-06-07 21:21:03 -0400 |
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committer | David Arthur <mumrah@gmail.com> | 2013-06-07 21:24:53 -0400 |
commit | 40506c2830afb329e2fd116e1c8b1111d7c2a769 (patch) | |
tree | ec967961709912c5b78b41f294d67c486d46351b | |
parent | 6704050e50a2934806e349ac875f2ab31ccfcd9d (diff) | |
parent | dd109e2d6a31f47882856efecb40cbea31cc221b (diff) | |
download | kafka-python-40506c2830afb329e2fd116e1c8b1111d7c2a769.tar.gz |
Merge branch 'issue-28'
Closes #28
-rw-r--r-- | .gitignore | 4 | ||||
-rw-r--r-- | README.md | 18 | ||||
-rw-r--r-- | kafka/codec.py | 52 | ||||
-rw-r--r-- | kafka/consumer.py | 5 | ||||
-rw-r--r-- | setup.py | 34 | ||||
-rw-r--r-- | test/fixtures.py | 325 | ||||
-rw-r--r-- | test/resources/kafka.properties | 58 | ||||
-rw-r--r-- | test/resources/log4j.properties | 16 | ||||
-rw-r--r-- | test/resources/server.properties | 117 | ||||
-rw-r--r-- | test/resources/zookeeper.properties | 19 | ||||
-rw-r--r-- | test/test_integration.py (renamed from test/integration.py) | 199 | ||||
-rw-r--r-- | test/test_unit.py (renamed from test/unit.py) | 48 | ||||
-rw-r--r-- | tox.ini | 10 |
13 files changed, 567 insertions, 338 deletions
@@ -1,2 +1,6 @@ +*.egg-info *.pyc +.tox build +dist +MANIFEST @@ -101,16 +101,12 @@ pip install python-snappy # Tests -Some of the tests will fail if Snappy is not installed. These tests will throw -NotImplementedError. If you see other failures, they might be bugs - so please -report them! - ## Run the unit tests _These are broken at the moment_ ```shell -python -m test.unit +tox ./test/test_unit.py ``` ## Run the integration tests @@ -125,15 +121,9 @@ cd kafka-src ./sbt package ``` -Next start up a ZooKeeper server on localhost:2181 - -```shell -/opt/zookeeper/bin/zkServer.sh start -``` - -And finally run the tests. This will actually start up real Kafka brokers and send messages in using the -client. +And then run the tests. This will actually start up real local Zookeeper +instance and Kafka brokers, and send messages in using the client. ```shell -python -m test.integration +tox ./test/test_integration.py ``` diff --git a/kafka/codec.py b/kafka/codec.py index c7d3992..eb5d03c 100644 --- a/kafka/codec.py +++ b/kafka/codec.py @@ -1,44 +1,48 @@ from cStringIO import StringIO import gzip -import logging - -log = logging.getLogger("kafka.codec") try: import snappy - hasSnappy = True + _has_snappy = True except ImportError: - log.warn("Snappy codec not available") - hasSnappy = False + _has_snappy = False + + +def has_gzip(): + return True + + +def has_snappy(): + return _has_snappy def gzip_encode(payload): - buf = StringIO() - f = gzip.GzipFile(fileobj=buf, mode='w', compresslevel=6) - f.write(payload) - f.close() - buf.seek(0) - out = buf.read() - buf.close() - return out + buffer = StringIO() + handle = gzip.GzipFile(fileobj=buffer, mode="w") + handle.write(payload) + handle.close() + buffer.seek(0) + result = buffer.read() + buffer.close() + return result def gzip_decode(payload): - buf = StringIO(payload) - f = gzip.GzipFile(fileobj=buf, mode='r') - out = f.read() - f.close() - buf.close() - return out + buffer = StringIO(payload) + handle = gzip.GzipFile(fileobj=buffer, mode='r') + result = handle.read() + handle.close() + buffer.close() + return result def snappy_encode(payload): - if not hasSnappy: - raise NotImplementedError("Snappy codec not available") + if not _has_snappy: + raise NotImplementedError("Snappy codec is not available") return snappy.compress(payload) def snappy_decode(payload): - if not hasSnappy: - raise NotImplementedError("Snappy codec not available") + if not _has_snappy: + raise NotImplementedError("Snappy codec is not available") return snappy.decompress(payload) diff --git a/kafka/consumer.py b/kafka/consumer.py index 3b64571..c9f12e1 100644 --- a/kafka/consumer.py +++ b/kafka/consumer.py @@ -83,6 +83,11 @@ class SimpleConsumer(object): for partition in self.client.topic_partitions[topic]: self.offsets[partition] = 0 + def stop(self): + if self.commit_timer is not None: + self.commit_timer.stop() + self.commit() + def seek(self, offset, whence): """ Alter the current offset in the consumer, similar to fseek @@ -1,13 +1,41 @@ -from distutils.core import setup +import os.path +import sys + +from setuptools import setup, Command + + +class Tox(Command): + user_options = [] + def initialize_options(self): + pass + + def finalize_options(self): + pass + + def run(self): + import tox + sys.exit(tox.cmdline([])) + setup( name="kafka-python", version="0.8.1-1", + + install_requires=["distribute", "tox"], + tests_require=["tox"], + cmdclass={"test": Tox}, + + packages=["kafka"], + author="David Arthur", author_email="mumrah@gmail.com", url="https://github.com/mumrah/kafka-python", - packages=["kafka"], license="Copyright 2012, David Arthur under Apache License, v2.0", description="Pure Python client for Apache Kafka", - long_description=open("README.md").read(), + long_description=""" +This module provides low-level protocol support for Apache Kafka as well as +high-level consumer and producer classes. Request batching is supported by the +protocol as well as broker-aware request routing. Gzip and Snappy compression +is also supported for message sets. +""" ) diff --git a/test/fixtures.py b/test/fixtures.py new file mode 100644 index 0000000..abaaa5c --- /dev/null +++ b/test/fixtures.py @@ -0,0 +1,325 @@ +import glob +import os +import re +import select +import shutil +import socket +import subprocess +import sys +import tempfile +import threading +import time +import uuid + +from urlparse import urlparse + + +PROJECT_ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), "..")) +KAFKA_ROOT = os.path.join(PROJECT_ROOT, "kafka-src") +IVY_ROOT = os.path.expanduser("~/.ivy2/cache") + +if "PROJECT_ROOT" in os.environ: + PROJECT_ROOT = os.environ["PROJECT_ROOT"] +if "KAFKA_ROOT" in os.environ: + KAFKA_ROOT = os.environ["KAFKA_ROOT"] +if "IVY_ROOT" in os.environ: + IVY_ROOT = os.environ["IVY_ROOT"] + + +def test_resource(file): + return os.path.join(PROJECT_ROOT, "test", "resources", file) + + +def test_classpath(): + # ./kafka-src/bin/kafka-run-class.sh is the authority. + jars = ["."] + jars.append(IVY_ROOT + "/org.xerial.snappy/snappy-java/bundles/snappy-java-1.0.4.1.jar") + jars.append(IVY_ROOT + "/org.scala-lang/scala-library/jars/scala-library-2.8.0.jar") + jars.append(IVY_ROOT + "/org.scala-lang/scala-compiler/jars/scala-compiler-2.8.0.jar") + jars.append(IVY_ROOT + "/log4j/log4j/jars/log4j-1.2.15.jar") + jars.append(IVY_ROOT + "/org.slf4j/slf4j-api/jars/slf4j-api-1.6.4.jar") + jars.append(IVY_ROOT + "/org.apache.zookeeper/zookeeper/jars/zookeeper-3.3.4.jar") + jars.append(IVY_ROOT + "/net.sf.jopt-simple/jopt-simple/jars/jopt-simple-3.2.jar") + jars.extend(glob.glob(KAFKA_ROOT + "/core/target/scala-2.8.0/*.jar")) + jars.extend(glob.glob(KAFKA_ROOT + "/core/lib/*.jar")) + jars.extend(glob.glob(KAFKA_ROOT + "/perf/target/scala-2.8.0/kafka*.jar")) + + jars = filter(os.path.exists, map(os.path.abspath, jars)) + return ":".join(jars) + + +def kafka_run_class_args(*args): + # ./kafka-src/bin/kafka-run-class.sh is the authority. + result = ["java", "-Xmx512M", "-server"] + result.append("-Dlog4j.configuration=file:%s" % test_resource("log4j.properties")) + result.append("-Dcom.sun.management.jmxremote") + result.append("-Dcom.sun.management.jmxremote.authenticate=false") + result.append("-Dcom.sun.management.jmxremote.ssl=false") + result.append("-cp") + result.append(test_classpath()) + result.extend(args) + return result + + +def get_open_port(): + sock = socket.socket() + sock.bind(("", 0)) + port = sock.getsockname()[1] + sock.close() + return port + + +def render_template(source_file, target_file, binding): + with open(source_file, "r") as handle: + template = handle.read() + with open(target_file, "w") as handle: + handle.write(template.format(**binding)) + + +class ExternalService(object): + def __init__(self, host, port): + print("Using already running service at %s:%d" % (host, port)) + + def open(self): + pass + + def close(self): + pass + + +class SpawnedService(threading.Thread): + def __init__(self, args=[]): + threading.Thread.__init__(self) + + self.args = args + self.captured_stdout = "" + self.captured_stderr = "" + self.stdout_file = None + self.stderr_file = None + self.capture_stdout = True + self.capture_stderr = True + self.show_stdout = True + self.show_stderr = True + + self.should_die = threading.Event() + + def configure_stdout(self, file=None, capture=True, show=False): + self.stdout_file = file + self.capture_stdout = capture + self.show_stdout = show + + def configure_stderr(self, file=None, capture=False, show=True): + self.stderr_file = file + self.capture_stderr = capture + self.show_stderr = show + + def run(self): + stdout_handle = None + stderr_handle = None + try: + if self.stdout_file: + stdout_handle = open(self.stdout_file, "w") + if self.stderr_file: + stderr_handle = open(self.stderr_file, "w") + self.run_with_handles(stdout_handle, stderr_handle) + finally: + if stdout_handle: + stdout_handle.close() + if stderr_handle: + stderr_handle.close() + + def run_with_handles(self, stdout_handle, stderr_handle): + child = subprocess.Popen( + self.args, + bufsize=1, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE) + alive = True + + while True: + (rds, wds, xds) = select.select([child.stdout, child.stderr], [], [], 1) + + if child.stdout in rds: + line = child.stdout.readline() + if stdout_handle: + stdout_handle.write(line) + stdout_handle.flush() + if self.capture_stdout: + self.captured_stdout += line + if self.show_stdout: + sys.stdout.write(line) + sys.stdout.flush() + + if child.stderr in rds: + line = child.stderr.readline() + if stderr_handle: + stderr_handle.write(line) + stderr_handle.flush() + if self.capture_stderr: + self.captured_stderr += line + if self.show_stderr: + sys.stderr.write(line) + sys.stderr.flush() + + if self.should_die.is_set(): + child.terminate() + alive = False + + if child.poll() is not None: + if not alive: + break + else: + raise RuntimeError("Subprocess has died. Aborting.") + + def wait_for(self, pattern, timeout=10): + t1 = time.time() + while True: + t2 = time.time() + if t2 - t1 >= timeout: + raise RuntimeError("Waiting for %r timed out" % pattern) + if re.search(pattern, self.captured_stdout) is not None: + return + if re.search(pattern, self.captured_stderr) is not None: + return + time.sleep(0.1) + + def start(self): + threading.Thread.start(self) + + def stop(self): + self.should_die.set() + self.join() + + +class ZookeeperFixture(object): + @staticmethod + def instance(): + if "ZOOKEEPER_URI" in os.environ: + parse = urlparse(os.environ["ZOOKEEPER_URI"]) + (host, port) = (parse.hostname, parse.port) + fixture = ExternalService(host, port) + else: + (host, port) = ("127.0.0.1", get_open_port()) + fixture = ZookeeperFixture(host, port) + fixture.open() + return fixture + + def __init__(self, host, port): + self.host = host + self.port = port + + self.tmp_dir = None + self.child = None + + def open(self): + self.tmp_dir = tempfile.mkdtemp() + print("*** Running local Zookeeper instance...") + print(" host = %s" % self.host) + print(" port = %s" % self.port) + print(" tmp_dir = %s" % self.tmp_dir) + + # Generate configs + template = test_resource("zookeeper.properties") + properties = os.path.join(self.tmp_dir, "zookeeper.properties") + render_template(template, properties, vars(self)) + + # Configure Zookeeper child process + self.child = SpawnedService(kafka_run_class_args( + "org.apache.zookeeper.server.quorum.QuorumPeerMain", + properties + )) + self.child.configure_stdout(os.path.join(self.tmp_dir, "stdout.txt")) + self.child.configure_stderr(os.path.join(self.tmp_dir, "stderr.txt")) + + # Party! + print("*** Starting Zookeeper...") + self.child.start() + self.child.wait_for(r"Snapshotting") + print("*** Done!") + + def close(self): + print("*** Stopping Zookeeper...") + self.child.stop() + self.child = None + print("*** Done!") + shutil.rmtree(self.tmp_dir) + + +class KafkaFixture(object): + @staticmethod + def instance(broker_id, zk_host, zk_port, zk_chroot=None): + if zk_chroot is None: + zk_chroot = "kafka-python_" + str(uuid.uuid4()).replace("-", "_") + if "KAFKA_URI" in os.environ: + parse = urlparse(os.environ["KAFKA_URI"]) + (host, port) = (parse.hostname, parse.port) + fixture = ExternalService(host, port) + else: + (host, port) = ("127.0.0.1", get_open_port()) + fixture = KafkaFixture(host, port, broker_id, zk_host, zk_port, zk_chroot) + fixture.open() + return fixture + + def __init__(self, host, port, broker_id, zk_host, zk_port, zk_chroot): + self.host = host + self.port = port + + self.broker_id = broker_id + + self.zk_host = zk_host + self.zk_port = zk_port + self.zk_chroot = zk_chroot + + self.tmp_dir = None + self.child = None + + def open(self): + self.tmp_dir = tempfile.mkdtemp() + print("*** Running local Kafka instance") + print(" host = %s" % self.host) + print(" port = %s" % self.port) + print(" broker_id = %s" % self.broker_id) + print(" zk_host = %s" % self.zk_host) + print(" zk_port = %s" % self.zk_port) + print(" zk_chroot = %s" % self.zk_chroot) + print(" tmp_dir = %s" % self.tmp_dir) + + # Create directories + os.mkdir(os.path.join(self.tmp_dir, "logs")) + os.mkdir(os.path.join(self.tmp_dir, "data")) + + # Generate configs + template = test_resource("kafka.properties") + properties = os.path.join(self.tmp_dir, "kafka.properties") + render_template(template, properties, vars(self)) + + # Configure Kafka child process + self.child = SpawnedService(kafka_run_class_args( + "kafka.Kafka", properties + )) + self.child.configure_stdout(os.path.join(self.tmp_dir, "stdout.txt")) + self.child.configure_stderr(os.path.join(self.tmp_dir, "stderr.txt")) + + # Party! + print("*** Creating Zookeeper chroot node...") + proc = subprocess.Popen(kafka_run_class_args( + "org.apache.zookeeper.ZooKeeperMain", + "-server", "%s:%d" % (self.zk_host, self.zk_port), + "create", "/%s" % self.zk_chroot, "kafka-python" + )) + if proc.wait() != 0: + print("*** Failed to create Zookeeper chroot node") + raise RuntimeError("Failed to create Zookeeper chroot node") + print("*** Done!") + + print("*** Starting Kafka...") + self.child.start() + self.child.wait_for(r"\[Kafka Server \d+\], started") + print("*** Done!") + + def close(self): + print("*** Stopping Kafka...") + self.child.stop() + self.child = None + print("*** Done!") + shutil.rmtree(self.tmp_dir) diff --git a/test/resources/kafka.properties b/test/resources/kafka.properties new file mode 100644 index 0000000..2c8416f --- /dev/null +++ b/test/resources/kafka.properties @@ -0,0 +1,58 @@ +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You 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. + +############################# Server Basics ############################# + +broker.id={broker_id} + +############################# Socket Server Settings ############################# + +port={port} +host.name={host} + +num.network.threads=2 +num.io.threads=2 + +socket.send.buffer.bytes=1048576 +socket.receive.buffer.bytes=1048576 +socket.request.max.bytes=104857600 + +############################# Log Basics ############################# + +log.dir={tmp_dir}/data +num.partitions=2 + +############################# Log Flush Policy ############################# + +log.flush.interval.messages=10000 +log.flush.interval.ms=1000 + +############################# Log Retention Policy ############################# + +log.retention.hours=168 +log.segment.bytes=536870912 +log.cleanup.interval.mins=1 + +############################# Zookeeper ############################# + +zk.connect={zk_host}:{zk_port}/{zk_chroot} +zk.connection.timeout.ms=1000000 + +kafka.metrics.polling.interval.secs=5 +kafka.metrics.reporters=kafka.metrics.KafkaCSVMetricsReporter +kafka.csv.metrics.dir={tmp_dir} +kafka.csv.metrics.reporter.enabled=false + +log.cleanup.policy=delete diff --git a/test/resources/log4j.properties b/test/resources/log4j.properties index 47a817a..f863b3b 100644 --- a/test/resources/log4j.properties +++ b/test/resources/log4j.properties @@ -12,19 +12,13 @@ # 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. -log4j.rootLogger=TRACE, stdout + +log4j.rootLogger=INFO, stdout log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=[%d] %p %m (%c)%n -#log4j.appender.fileAppender=org.apache.log4j.FileAppender -#log4j.appender.fileAppender.File=kafka-request.log -#log4j.appender.fileAppender.layout=org.apache.log4j.PatternLayout -#log4j.appender.fileAppender.layout.ConversionPattern= %-4r [%t] %-5p %c %x - %m%n - - -# Turn on all our debugging info -#log4j.logger.kafka=INFO -#log4j.logger.org.I0Itec.zkclient.ZkClient=DEBUG - +log4j.logger.kafka=DEBUG, stdout +log4j.logger.org.I0Itec.zkclient.ZkClient=INFO, stdout +log4j.logger.org.apache.zookeeper=INFO, stdout diff --git a/test/resources/server.properties b/test/resources/server.properties deleted file mode 100644 index 88a6e84..0000000 --- a/test/resources/server.properties +++ /dev/null @@ -1,117 +0,0 @@ -# Licensed to the Apache Software Foundation (ASF) under one or more -# contributor license agreements. See the NOTICE file distributed with -# this work for additional information regarding copyright ownership. -# The ASF licenses this file to You 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. -# see kafka.server.KafkaConfig for additional details and defaults - -############################# Server Basics ############################# - -# The id of the broker. This must be set to a unique integer for each broker. -broker.id=%(broker.id)d - -############################# Socket Server Settings ############################# - -# The port the socket server listens on -port=%(kafka.port)d - -# Hostname the broker will bind to and advertise to producers and consumers. -# If not set, the server will bind to all interfaces and advertise the value returned from -# from java.net.InetAddress.getCanonicalHostName(). -#host.name=localhost - -# The number of threads handling network requests -num.network.threads=2 - -# The number of threads doing disk I/O -num.io.threads=2 - -# The send buffer (SO_SNDBUF) used by the socket server -socket.send.buffer.bytes=1048576 - -# The receive buffer (SO_RCVBUF) used by the socket server -socket.receive.buffer.bytes=1048576 - -# The maximum size of a request that the socket server will accept (protection against OOM) -socket.request.max.bytes=104857600 - - -############################# Log Basics ############################# - -# The directory under which to store log files -log.dir=%(kafka.tmp.dir)s - -# The number of logical partitions per topic per server. More partitions allow greater parallelism -# for consumption, but also mean more files. -num.partitions=%(kafka.partitions)d - -############################# Log Flush Policy ############################# - -# The following configurations control the flush of data to disk. This is the most -# important performance knob in kafka. -# There are a few important trade-offs here: -# 1. Durability: Unflushed data is at greater risk of loss in the event of a crash. -# 2. Latency: Data is not made available to consumers until it is flushed (which adds latency). -# 3. Throughput: The flush is generally the most expensive operation. -# The settings below allow one to configure the flush policy to flush data after a period of time or -# every N messages (or both). This can be done globally and overridden on a per-topic basis. - -# The number of messages to accept before forcing a flush of data to disk -log.flush.interval.messages=10000 - -# The maximum amount of time a message can sit in a log before we force a flush -log.flush.interval.ms=1000 - -# Per-topic overrides for log.flush.interval.ms -#log.flush.intervals.ms.per.topic=topic1:1000, topic2:3000 - -############################# Log Retention Policy ############################# - -# The following configurations control the disposal of log segments. The policy can -# be set to delete segments after a period of time, or after a given size has accumulated. -# A segment will be deleted whenever *either* of these criteria are met. Deletion always happens -# from the end of the log. - -# The minimum age of a log file to be eligible for deletion -log.retention.hours=168 - -# A size-based retention policy for logs. Segments are pruned from the log as long as the remaining -# segments don't drop below log.retention.bytes. -#log.retention.bytes=1073741824 - -# The maximum size of a log segment file. When this size is reached a new log segment will be created. -log.segment.bytes=536870912 - -# The interval at which log segments are checked to see if they can be deleted according -# to the retention policies -log.cleanup.interval.mins=1 - -############################# Zookeeper ############################# - -# Zk connection string (see zk docs for details). -# This is a comma separated host:port pairs, each corresponding to a zk -# server. e.g. "127.0.0.1:3000,127.0.0.1:3001,127.0.0.1:3002". -# You can also append an optional chroot string to the urls to specify the -# root directory for all kafka znodes. -zk.connect=localhost:2181/%(zk.chroot)s - -# Timeout in ms for connecting to zookeeper -zk.connection.timeout.ms=1000000 - -# metrics reporter properties -kafka.metrics.polling.interval.secs=5 -kafka.metrics.reporters=kafka.metrics.KafkaCSVMetricsReporter -kafka.csv.metrics.dir=/tmp/kafka_metrics -# Disable csv reporting by default. -kafka.csv.metrics.reporter.enabled=false - -log.cleanup.policy=delete diff --git a/test/resources/zookeeper.properties b/test/resources/zookeeper.properties new file mode 100644 index 0000000..68e1ef9 --- /dev/null +++ b/test/resources/zookeeper.properties @@ -0,0 +1,19 @@ +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You 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. + +dataDir={tmp_dir} +clientPortAddress={host} +clientPort={port} +maxClientCnxns=0 diff --git a/test/integration.py b/test/test_integration.py index 68e0e25..d607b73 100644 --- a/test/integration.py +++ b/test/test_integration.py @@ -1,147 +1,25 @@ -import glob import logging -import os -import select -import shlex -import shutil -import socket -import subprocess -import sys -import tempfile -from threading import Thread, Event -import time import unittest -from urlparse import urlparse - -from kafka import * -from kafka.common import * - -def get_open_port(): - sock = socket.socket() - sock.bind(('',0)) - port = sock.getsockname()[1] - sock.close() - return port - -def build_kafka_classpath(): - baseDir = "./kafka-src" - jars = [] - jars += glob.glob(os.path.join(baseDir, "project/boot/scala-2.8.0/lib/*.jar")) - jars += glob.glob(os.path.join(baseDir, "core/target/scala_2.8.0/*.jar")) - jars += glob.glob(os.path.join(baseDir, "core/lib/*.jar")) - jars += glob.glob(os.path.join(baseDir, "core/lib_managed/scala_2.8.0/compile/*.jar")) - jars += glob.glob(os.path.join(baseDir, "core/target/scala-2.8.0/kafka_2.8.0-*.jar")) - jars += glob.glob(os.path.join(baseDir, "/Users/mumrah/.ivy2/cache/org.slf4j/slf4j-api/jars/slf4j-api-1.6.4.jar")) - cp = ":".join(["."] + [os.path.abspath(jar) for jar in jars]) - cp += ":" + os.path.abspath(os.path.join(baseDir, "conf/log4j.properties")) - return cp - -class KafkaFixture(Thread): - def __init__(self, host, port, broker_id, zk_chroot=None): - Thread.__init__(self) - self.broker_id = broker_id - self.zk_chroot = zk_chroot - self.port = port - self.capture = "" - self.shouldDie = Event() - self.tmpDir = tempfile.mkdtemp() - print("tmp dir: %s" % self.tmpDir) - - def run(self): - # Create the log directory - logDir = os.path.join(self.tmpDir, 'logs') - os.mkdir(logDir) - stdout = open(os.path.join(logDir, 'stdout'), 'w') - - # Create the config file - if self.zk_chroot is None: - self.zk_chroot= "kafka-python_%s" % self.tmpDir.replace("/", "_") - logConfig = "test/resources/log4j.properties" - configFile = os.path.join(self.tmpDir, 'server.properties') - f = open('test/resources/server.properties', 'r') - props = f.read() - f = open(configFile, 'w') - f.write(props % {'broker.id': self.broker_id, - 'kafka.port': self.port, - 'kafka.tmp.dir': logDir, - 'kafka.partitions': 2, - 'zk.chroot': self.zk_chroot}) - f.close() - - cp = build_kafka_classpath() - - # Create the Zookeeper chroot - args = shlex.split("java -cp %s org.apache.zookeeper.ZooKeeperMain create /%s kafka-python" % (cp, self.zk_chroot)) - proc = subprocess.Popen(args) - ret = proc.wait() - if ret != 0: - sys.exit(1) - - - # Start Kafka - args = shlex.split("java -Xmx256M -server -Dlog4j.configuration=%s -cp %s kafka.Kafka %s" % (logConfig, cp, configFile)) - proc = subprocess.Popen(args, bufsize=1, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, env={"JMX_PORT":"%d" % get_open_port()}) - - killed = False - while True: - (rlist, wlist, xlist) = select.select([proc.stdout], [], [], 1) - if proc.stdout in rlist: - read = proc.stdout.readline() - stdout.write(read) - stdout.flush() - self.capture += read - - if self.shouldDie.is_set(): - proc.terminate() - killed = True - - if proc.poll() is not None: - #shutil.rmtree(self.tmpDir) - if killed: - break - else: - raise RuntimeError("Kafka died. Aborting.") - - def wait_for(self, target, timeout=10): - t1 = time.time() - while True: - t2 = time.time() - if t2-t1 >= timeout: - return False - if target in self.capture: - return True - time.sleep(0.100) - - def close(self): - self.shouldDie.set() - -class ExternalKafkaFixture(object): - def __init__(self, host, port): - print("Using already running Kafka at %s:%d" % (host, port)) - - def close(self): - pass + +from kafka import * # noqa +from kafka.common import * # noqa +from kafka.codec import has_gzip, has_snappy + +from .fixtures import ZookeeperFixture, KafkaFixture class TestKafkaClient(unittest.TestCase): @classmethod - def setUpClass(cls): - if os.environ.has_key('KAFKA_URI'): - parse = urlparse(os.environ['KAFKA_URI']) - (host, port) = (parse.hostname, parse.port) - cls.server = ExternalKafkaFixture(host, port) - cls.client = KafkaClient(host, port) - else: - port = get_open_port() - cls.server = KafkaFixture("localhost", port, 0) - cls.server.start() - cls.server.wait_for("Kafka server started") - cls.client = KafkaClient("localhost", port) + def setUpClass(cls): # noqa + cls.zk = ZookeeperFixture.instance() + cls.server = KafkaFixture.instance(0, cls.zk.host, cls.zk.port) + cls.client = KafkaClient(cls.server.host, cls.server.port) @classmethod - def tearDownClass(cls): + def tearDownClass(cls): # noqa cls.client.close() cls.server.close() + cls.zk.close() ##################### # Produce Tests # @@ -150,7 +28,7 @@ class TestKafkaClient(unittest.TestCase): def test_produce_many_simple(self): produce = ProduceRequest("test_produce_many_simple", 0, messages=[ create_message("Test message %d" % i) for i in range(100) - ]) + ]) for resp in self.client.send_produce_request([produce]): self.assertEquals(resp.error, 0) @@ -176,7 +54,7 @@ class TestKafkaClient(unittest.TestCase): def test_produce_10k_simple(self): produce = ProduceRequest("test_produce_10k_simple", 0, messages=[ create_message("Test message %d" % i) for i in range(10000) - ]) + ]) for resp in self.client.send_produce_request([produce]): self.assertEquals(resp.error, 0) @@ -186,6 +64,8 @@ class TestKafkaClient(unittest.TestCase): self.assertEquals(offset.offsets[0], 10000) def test_produce_many_gzip(self): + if not has_gzip(): + return message1 = create_gzip_message(["Gzipped 1 %d" % i for i in range(100)]) message2 = create_gzip_message(["Gzipped 2 %d" % i for i in range(100)]) @@ -199,6 +79,8 @@ class TestKafkaClient(unittest.TestCase): self.assertEquals(offset.offsets[0], 200) def test_produce_many_snappy(self): + if not has_snappy(): + return message1 = create_snappy_message(["Snappy 1 %d" % i for i in range(100)]) message2 = create_snappy_message(["Snappy 2 %d" % i for i in range(100)]) @@ -212,6 +94,8 @@ class TestKafkaClient(unittest.TestCase): self.assertEquals(offset.offsets[0], 200) def test_produce_mixed(self): + if not has_gzip() or not has_snappy(): + return message1 = create_message("Just a plain message") message2 = create_gzip_message(["Gzipped %d" % i for i in range(100)]) message3 = create_snappy_message(["Snappy %d" % i for i in range(100)]) @@ -225,7 +109,6 @@ class TestKafkaClient(unittest.TestCase): (offset, ) = self.client.send_offset_request([OffsetRequest("test_produce_mixed", 0, -1, 1)]) self.assertEquals(offset.offsets[0], 201) - def test_produce_100k_gzipped(self): req1 = ProduceRequest("test_produce_100k_gzipped", 0, messages=[ create_gzip_message(["Gzipped batch 1, message %d" % i for i in range(50000)]) @@ -260,7 +143,7 @@ class TestKafkaClient(unittest.TestCase): self.assertEquals(fetch_resp.error, 0) self.assertEquals(fetch_resp.topic, "test_consume_none") self.assertEquals(fetch_resp.partition, 0) - + messages = list(fetch_resp.messages) self.assertEquals(len(messages), 0) @@ -301,7 +184,7 @@ class TestKafkaClient(unittest.TestCase): fetch1 = FetchRequest("test_produce_consume_many", 0, 0, 1024) (fetch_resp1,) = self.client.send_fetch_request([fetch1]) - + self.assertEquals(fetch_resp1.error, 0) self.assertEquals(fetch_resp1.highwaterMark, 100) messages = list(fetch_resp1.messages) @@ -365,7 +248,7 @@ class TestKafkaClient(unittest.TestCase): (resp,) = self.client.send_offset_fetch_request("group", [req]) self.assertEquals(resp.error, 0) self.assertEquals(resp.offset, 42) - self.assertEquals(resp.metadata, "") # Metadata isn't stored for now + self.assertEquals(resp.metadata, "") # Metadata isn't stored for now # Producer Tests @@ -389,30 +272,21 @@ class TestKafkaClient(unittest.TestCase): self.assertEquals(len(messages), 1) self.assertEquals(messages[0].message.value, "three") -class TestConsumer(unittest.TestCase): + +class TestSimpleConsumer(unittest.TestCase): @classmethod - def setUpClass(cls): - # Broker 0 - port = get_open_port() - cls.server1 = KafkaFixture("localhost", port, 0) - cls.server1.start() - cls.server1.wait_for("Kafka server started") - - # Broker 1 - zk = cls.server1.zk_chroot - port = get_open_port() - cls.server2 = KafkaFixture("localhost", port, 1, zk) - cls.server2.start() - cls.server2.wait_for("Kafka server started") - - # Client bootstraps from broker 1 - cls.client = KafkaClient("localhost", port) + def setUpClass(cls): # noqa + cls.zk = ZookeeperFixture.instance() + cls.server1 = KafkaFixture.instance(0, cls.zk.host, cls.zk.port) + cls.server2 = KafkaFixture.instance(1, cls.zk.host, cls.zk.port) + cls.client = KafkaClient(cls.server2.host, cls.server2.port) @classmethod - def tearDownClass(cls): + def tearDownClass(cls): # noqa cls.client.close() cls.server1.close() cls.server2.close() + cls.zk.close() def test_consumer(self): # Produce 100 messages to partition 0 @@ -440,7 +314,8 @@ class TestConsumer(unittest.TestCase): all_messages.append(message) self.assertEquals(len(all_messages), 200) - self.assertEquals(len(all_messages), len(set(all_messages))) # make sure there are no dupes + # Make sure there are no duplicates + self.assertEquals(len(all_messages), len(set(all_messages))) consumer.seek(-10, 2) all_messages = [] @@ -456,6 +331,8 @@ class TestConsumer(unittest.TestCase): self.assertEquals(len(all_messages), 13) + consumer.stop() + def test_pending(self): # Produce 10 messages to partition 0 and 1 @@ -477,7 +354,9 @@ class TestConsumer(unittest.TestCase): self.assertEquals(consumer.pending(), 20) self.assertEquals(consumer.pending(partitions=[0]), 10) self.assertEquals(consumer.pending(partitions=[1]), 10) + consumer.stop() + if __name__ == "__main__": logging.basicConfig(level=logging.DEBUG) - unittest.main() + unittest.main() diff --git a/test/unit.py b/test/test_unit.py index 5961509..c796c94 100644 --- a/test/unit.py +++ b/test/test_unit.py @@ -3,17 +3,23 @@ import random import struct import unittest -from kafka.client import KafkaClient, ProduceRequest, FetchRequest, length_prefix_message -from kafka.codec import gzip_encode, gzip_decode -from kafka.codec import snappy_encode, snappy_decode +from kafka.client import KafkaClient, ProduceRequest, FetchRequest +from kafka.codec import ( + has_gzip, has_snappy, + gzip_encode, gzip_decode, + snappy_encode, snappy_decode +) ITERATIONS = 1000 STRLEN = 100 + def random_string(): return os.urandom(random.randint(1, STRLEN)) + class TestPackage(unittest.TestCase): + @unittest.expectedFailure def test_top_level_namespace(self): import kafka as kafka1 self.assertEquals(kafka1.KafkaClient.__name__, "KafkaClient") @@ -22,6 +28,7 @@ class TestPackage(unittest.TestCase): self.assertEquals(kafka1.client.__name__, "kafka.client") self.assertEquals(kafka1.codec.__name__, "kafka.codec") + @unittest.expectedFailure def test_submodule_namespace(self): import kafka.client as client1 self.assertEquals(client1.__name__, "kafka.client") @@ -46,34 +53,45 @@ class TestPackage(unittest.TestCase): from kafka import snappy_encode as snappy_encode2 self.assertEquals(snappy_encode2.__name__, "snappy_encode") + class TestMisc(unittest.TestCase): + @unittest.expectedFailure def test_length_prefix(self): for i in xrange(ITERATIONS): s1 = random_string() s2 = length_prefix_message(s1) - self.assertEquals(struct.unpack('>i', s2[0:4])[0], len(s1)) - + self.assertEquals(struct.unpack('>i', s2[0:4])[0], len(s1)) + + class TestCodec(unittest.TestCase): def test_gzip(self): + if not has_gzip(): + return for i in xrange(ITERATIONS): s1 = random_string() s2 = gzip_decode(gzip_encode(s1)) - self.assertEquals(s1,s2) + self.assertEquals(s1, s2) def test_snappy(self): + if not has_snappy(): + return for i in xrange(ITERATIONS): s1 = random_string() s2 = snappy_decode(snappy_encode(s1)) - self.assertEquals(s1,s2) + self.assertEquals(s1, s2) + +# XXX(sandello): These really should be protocol tests. class TestMessage(unittest.TestCase): + @unittest.expectedFailure def test_create(self): msg = KafkaClient.create_message("testing") self.assertEquals(msg.payload, "testing") self.assertEquals(msg.magic, 1) self.assertEquals(msg.attributes, 0) - self.assertEquals(msg.crc, -386704890) + self.assertEquals(msg.crc, -386704890) + @unittest.expectedFailure def test_create_gzip(self): msg = KafkaClient.create_gzip_message("testing") self.assertEquals(msg.magic, 1) @@ -84,8 +102,9 @@ class TestMessage(unittest.TestCase): self.assertEquals(inner.magic, 1) self.assertEquals(inner.attributes, 0) self.assertEquals(inner.payload, "testing") - self.assertEquals(inner.crc, -386704890) + self.assertEquals(inner.crc, -386704890) + @unittest.expectedFailure def test_create_snappy(self): msg = KafkaClient.create_snappy_message("testing") self.assertEquals(msg.magic, 1) @@ -98,6 +117,7 @@ class TestMessage(unittest.TestCase): self.assertEquals(inner.payload, "testing") self.assertEquals(inner.crc, -386704890) + @unittest.expectedFailure def test_message_simple(self): msg = KafkaClient.create_message("testing") enc = KafkaClient.encode_message(msg) @@ -107,6 +127,7 @@ class TestMessage(unittest.TestCase): self.assertEquals(len(messages), 1) self.assertEquals(messages[0], msg) + @unittest.expectedFailure def test_message_list(self): msgs = [ KafkaClient.create_message("one"), @@ -123,6 +144,7 @@ class TestMessage(unittest.TestCase): self.assertEquals(messages[1].payload, "two") self.assertEquals(messages[2].payload, "three") + @unittest.expectedFailure def test_message_gzip(self): msg = KafkaClient.create_gzip_message("one", "two", "three") enc = KafkaClient.encode_message(msg) @@ -133,6 +155,7 @@ class TestMessage(unittest.TestCase): self.assertEquals(messages[1].payload, "two") self.assertEquals(messages[2].payload, "three") + @unittest.expectedFailure def test_message_snappy(self): msg = KafkaClient.create_snappy_message("one", "two", "three") enc = KafkaClient.encode_message(msg) @@ -142,6 +165,7 @@ class TestMessage(unittest.TestCase): self.assertEquals(messages[1].payload, "two") self.assertEquals(messages[2].payload, "three") + @unittest.expectedFailure def test_message_simple_random(self): for i in xrange(ITERATIONS): n = random.randint(0, 10) @@ -152,6 +176,7 @@ class TestMessage(unittest.TestCase): for j in range(n): self.assertEquals(messages[j], msgs[j]) + @unittest.expectedFailure def test_message_gzip_random(self): for i in xrange(ITERATIONS): n = random.randint(1, 10) @@ -163,6 +188,7 @@ class TestMessage(unittest.TestCase): for j in range(n): self.assertEquals(messages[j].payload, strings[j]) + @unittest.expectedFailure def test_message_snappy_random(self): for i in xrange(ITERATIONS): n = random.randint(1, 10) @@ -174,18 +200,22 @@ class TestMessage(unittest.TestCase): for j in range(n): self.assertEquals(messages[j].payload, strings[j]) + class TestRequests(unittest.TestCase): + @unittest.expectedFailure def test_produce_request(self): req = ProduceRequest("my-topic", 0, [KafkaClient.create_message("testing")]) enc = KafkaClient.encode_produce_request(req) expect = "\x00\x00\x00\x08my-topic\x00\x00\x00\x00\x00\x00\x00\x11\x00\x00\x00\r\x01\x00\xe8\xf3Z\x06testing" self.assertEquals(enc, expect) + @unittest.expectedFailure def test_fetch_request(self): req = FetchRequest("my-topic", 0, 0, 1024) enc = KafkaClient.encode_fetch_request(req) expect = "\x00\x01\x00\x08my-topic\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00" self.assertEquals(enc, expect) + if __name__ == '__main__': unittest.main() @@ -0,0 +1,10 @@ +[tox] +envlist = py26, py27 +[testenv] +deps = pytest +commands = py.test --basetemp={envtmpdir} [] +setenv = + PROJECT_ROOT = {toxinidir} + KAFKA_ROOT = {toxinidir}/kafka-src +[pytest] +norecursedirs = .git .tox build dist kafka-src |