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Copy pathrun-tests.py
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executable file
·298 lines (263 loc) · 11.6 KB
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#!/usr/bin/env python
#
# 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.
#
from __future__ import print_function
import logging
from optparse import OptionParser
import os
import re
import shutil
import subprocess
import sys
import tempfile
from threading import Thread, Lock
import time
import uuid
if sys.version < '3':
import Queue
else:
import queue as Queue
from distutils.version import LooseVersion
from multiprocessing import Manager
# Append `SPARK_HOME/dev` to the Python path so that we can import the sparktestsupport module
sys.path.append(os.path.join(os.path.dirname(os.path.realpath(__file__)), "../dev/"))
from sparktestsupport import SPARK_HOME # noqa (suppress pep8 warnings)
from sparktestsupport.shellutils import which, subprocess_check_output # noqa
from sparktestsupport.modules import all_modules, pyspark_sql # noqa
python_modules = dict((m.name, m) for m in all_modules if m.python_test_goals if m.name != 'root')
def print_red(text):
print('\033[31m' + text + '\033[0m')
SKIPPED_TESTS = Manager().dict()
LOG_FILE = os.path.join(SPARK_HOME, "python/unit-tests.log")
FAILURE_REPORTING_LOCK = Lock()
LOGGER = logging.getLogger()
# Find out where the assembly jars are located.
# Later, add back 2.12 to this list:
# for scala in ["2.11", "2.12"]:
for scala in ["2.11"]:
build_dir = os.path.join(SPARK_HOME, "assembly", "target", "scala-" + scala)
if os.path.isdir(build_dir):
SPARK_DIST_CLASSPATH = os.path.join(build_dir, "jars", "*")
break
else:
raise Exception("Cannot find assembly build directory, please build Spark first.")
def run_individual_python_test(target_dir, test_name, pyspark_python):
env = dict(os.environ)
env.update({
'SPARK_DIST_CLASSPATH': SPARK_DIST_CLASSPATH,
'SPARK_TESTING': '1',
'SPARK_PREPEND_CLASSES': '1',
'PYSPARK_PYTHON': which(pyspark_python),
'PYSPARK_DRIVER_PYTHON': which(pyspark_python)
})
# Create a unique temp directory under 'target/' for each run. The TMPDIR variable is
# recognized by the tempfile module to override the default system temp directory.
tmp_dir = os.path.join(target_dir, str(uuid.uuid4()))
while os.path.isdir(tmp_dir):
tmp_dir = os.path.join(target_dir, str(uuid.uuid4()))
os.mkdir(tmp_dir)
env["TMPDIR"] = tmp_dir
# Also override the JVM's temp directory by setting driver and executor options.
spark_args = [
"--conf", "spark.driver.extraJavaOptions=-Djava.io.tmpdir={0}".format(tmp_dir),
"--conf", "spark.executor.extraJavaOptions=-Djava.io.tmpdir={0}".format(tmp_dir),
"pyspark-shell"
]
env["PYSPARK_SUBMIT_ARGS"] = " ".join(spark_args)
LOGGER.info("Starting test(%s): %s", pyspark_python, test_name)
start_time = time.time()
try:
per_test_output = tempfile.TemporaryFile()
retcode = subprocess.Popen(
[os.path.join(SPARK_HOME, "bin/pyspark"), test_name],
stderr=per_test_output, stdout=per_test_output, env=env).wait()
shutil.rmtree(tmp_dir, ignore_errors=True)
except:
LOGGER.exception("Got exception while running %s with %s", test_name, pyspark_python)
# Here, we use os._exit() instead of sys.exit() in order to force Python to exit even if
# this code is invoked from a thread other than the main thread.
os._exit(1)
duration = time.time() - start_time
# Exit on the first failure.
if retcode != 0:
try:
with FAILURE_REPORTING_LOCK:
with open(LOG_FILE, 'ab') as log_file:
per_test_output.seek(0)
log_file.writelines(per_test_output)
per_test_output.seek(0)
for line in per_test_output:
decoded_line = line.decode()
if not re.match('[0-9]+', decoded_line):
print(decoded_line, end='')
per_test_output.close()
except:
LOGGER.exception("Got an exception while trying to print failed test output")
finally:
print_red("\nHad test failures in %s with %s; see logs." % (test_name, pyspark_python))
# Here, we use os._exit() instead of sys.exit() in order to force Python to exit even if
# this code is invoked from a thread other than the main thread.
os._exit(-1)
else:
skipped_counts = 0
try:
per_test_output.seek(0)
# Here expects skipped test output from unittest when verbosity level is
# 2 (or --verbose option is enabled).
decoded_lines = map(lambda line: line.decode(), iter(per_test_output))
skipped_tests = list(filter(
lambda line: re.search('test_.* \(pyspark\..*\) ... skipped ', line),
decoded_lines))
skipped_counts = len(skipped_tests)
if skipped_counts > 0:
key = (pyspark_python, test_name)
SKIPPED_TESTS[key] = skipped_tests
per_test_output.close()
except:
import traceback
print_red("\nGot an exception while trying to store "
"skipped test output:\n%s" % traceback.format_exc())
# Here, we use os._exit() instead of sys.exit() in order to force Python to exit even if
# this code is invoked from a thread other than the main thread.
os._exit(-1)
if skipped_counts != 0:
LOGGER.info(
"Finished test(%s): %s (%is) ... %s tests were skipped", pyspark_python, test_name,
duration, skipped_counts)
else:
LOGGER.info(
"Finished test(%s): %s (%is)", pyspark_python, test_name, duration)
def get_default_python_executables():
python_execs = [x for x in ["python2.7", "python3.4", "pypy"] if which(x)]
if "python2.7" not in python_execs:
LOGGER.warning("Not testing against `python2.7` because it could not be found; falling"
" back to `python` instead")
python_execs.insert(0, "python")
return python_execs
def parse_opts():
parser = OptionParser(
prog="run-tests"
)
parser.add_option(
"--python-executables", type="string", default=','.join(get_default_python_executables()),
help="A comma-separated list of Python executables to test against (default: %default)"
)
parser.add_option(
"--modules", type="string",
default=",".join(sorted(python_modules.keys())),
help="A comma-separated list of Python modules to test (default: %default)"
)
parser.add_option(
"-p", "--parallelism", type="int", default=4,
help="The number of suites to test in parallel (default %default)"
)
parser.add_option(
"--verbose", action="store_true",
help="Enable additional debug logging"
)
(opts, args) = parser.parse_args()
if args:
parser.error("Unsupported arguments: %s" % ' '.join(args))
if opts.parallelism < 1:
parser.error("Parallelism cannot be less than 1")
return opts
def _check_coverage(python_exec):
# Make sure if coverage is installed.
try:
subprocess_check_output(
[python_exec, "-c", "import coverage"],
stderr=open(os.devnull, 'w'))
except:
print_red("Coverage is not installed in Python executable '%s' "
"but 'COVERAGE_PROCESS_START' environment variable is set, "
"exiting." % python_exec)
sys.exit(-1)
def main():
opts = parse_opts()
if (opts.verbose):
log_level = logging.DEBUG
else:
log_level = logging.INFO
logging.basicConfig(stream=sys.stdout, level=log_level, format="%(message)s")
LOGGER.info("Running PySpark tests. Output is in %s", LOG_FILE)
if os.path.exists(LOG_FILE):
os.remove(LOG_FILE)
python_execs = opts.python_executables.split(',')
modules_to_test = []
for module_name in opts.modules.split(','):
if module_name in python_modules:
modules_to_test.append(python_modules[module_name])
else:
print("Error: unrecognized module '%s'. Supported modules: %s" %
(module_name, ", ".join(python_modules)))
sys.exit(-1)
LOGGER.info("Will test against the following Python executables: %s", python_execs)
LOGGER.info("Will test the following Python modules: %s", [x.name for x in modules_to_test])
task_queue = Queue.PriorityQueue()
for python_exec in python_execs:
# Check if the python executable has coverage installed when 'COVERAGE_PROCESS_START'
# environmental variable is set.
if "COVERAGE_PROCESS_START" in os.environ:
_check_coverage(python_exec)
python_implementation = subprocess_check_output(
[python_exec, "-c", "import platform; print(platform.python_implementation())"],
universal_newlines=True).strip()
LOGGER.debug("%s python_implementation is %s", python_exec, python_implementation)
LOGGER.debug("%s version is: %s", python_exec, subprocess_check_output(
[python_exec, "--version"], stderr=subprocess.STDOUT, universal_newlines=True).strip())
for module in modules_to_test:
if python_implementation not in module.blacklisted_python_implementations:
for test_goal in module.python_test_goals:
if test_goal in ('pyspark.streaming.tests', 'pyspark.mllib.tests',
'pyspark.tests', 'pyspark.sql.tests'):
priority = 0
else:
priority = 100
task_queue.put((priority, (python_exec, test_goal)))
# Create the target directory before starting tasks to avoid races.
target_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), 'target'))
if not os.path.isdir(target_dir):
os.mkdir(target_dir)
def process_queue(task_queue):
while True:
try:
(priority, (python_exec, test_goal)) = task_queue.get_nowait()
except Queue.Empty:
break
try:
run_individual_python_test(target_dir, test_goal, python_exec)
finally:
task_queue.task_done()
start_time = time.time()
for _ in range(opts.parallelism):
worker = Thread(target=process_queue, args=(task_queue,))
worker.daemon = True
worker.start()
try:
task_queue.join()
except (KeyboardInterrupt, SystemExit):
print_red("Exiting due to interrupt")
sys.exit(-1)
total_duration = time.time() - start_time
LOGGER.info("Tests passed in %i seconds", total_duration)
for key, lines in sorted(SKIPPED_TESTS.items()):
pyspark_python, test_name = key
LOGGER.info("\nSkipped tests in %s with %s:" % (test_name, pyspark_python))
for line in lines:
LOGGER.info(" %s" % line.rstrip())
if __name__ == "__main__":
main()