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gstreamer/validate/launcher/main.py
Edward Hervey 58e62f651c validate-launcher: Allow running tests out-of-order 
When the --shuffle option is used, the tests will be run out of order.
This optimizes CPU utilization since it allows running synchronized
and unsynchronized tests at the same.
2017-12-03 11:42:18 +01:00

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#!/usr/bin/env python3
#
# Copyright (c) 2014,Thibault Saunier <thibault.saunier@collabora.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the
# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
# Boston, MA 02110-1301, USA.
import os
import sys
from . import utils
import urllib.parse
from . import loggable
import multiprocessing
import argparse
import tempfile
from . import reporters
import subprocess
from .loggable import Loggable
from .httpserver import HTTPServer
from .vfb_server import get_virual_frame_buffer_server
from .baseclasses import _TestsLauncher, ScenarioManager
from .utils import printc, path2url, DEFAULT_MAIN_DIR, launch_command, Colors, Protocols, which
LESS = "less"
HELP = '''
===============================================================================
gst-validate-launcher
===============================================================================
1. Introduction
----------------
gst-validate-launcher is a test launcher tool. It has been designed to
launch the various tools included in GstValidate, running tests on real
media files. This means that with gst-validate-launcher, you can launch
many tests automatically in one simple command. It then permits to
aggregate results and print them in a human readable way on stdout
and serializing them in the following implemented formats:
* %s
We support all the tools provided in GstValidate in the launcher, but
we also support ges-launch when the GStreamer Editing Services have
been compiled against GstValidate.
2. Default test suite
---------------------
A default suite of tests is provided and is available at: http://cgit.freedesktop.org/gstreamer/gst-integration-testsuites/
You can run it pretty simply doing:
. $gst-validate-launcher --sync
That will download Gstreamer upstream default assets into the
default folder (%s) and run all currently
activated tests. Note that we use git-annex https://git-annex.branchable.com/ so
you will need that tool to get started.
3. Implement your own tests
---------------------------
To implement new tests, you will just need to set the media path using the
--medias-paths argument. If you want to run all available scenarios on all the
file present in that folder, you should run the first time:
. $gst-validate-launcher --medias-paths /path/to/media/files --generate-media-info
That will generate the .media_info files that contains information about the media
files present in that folder. Those media_info files are simple XML file describing
the topology of the media files. You need not reuse --generate-media-info from
next time. The generated media files will be used as a reference for following
runs. You might want to check that they contain the right information yourself
the first time.
Once .media-info is generated, you can update it using --update-media-info.
Those .media_info are the files that are used by gst-validate-launcher to know
what media files can be used for the different scenarios. For example if a
file is not seekable, seeking scenarios will not be run on it etc...
3.1 Scenarios specific to a media file/stream:
----------------------------------------------
It is possible that some scenarios are very specific to one media file. In that case,
the .scenario file should be present in the same folder as the .media_info file and
be called similarly. For example for a file called /some/media/file.mp4, the media_info
file will be called /some/media/file.media_info and a scenario that will seek to a position that
is known to fail would be called: /some/media/file.mp4.seek_to_failing_pos.scenario and
gst-validate-launcher will run that scenario only on that media file.
3.2 Test media accessible through other protocols:
--------------------------------------------------
Currently gst-validate-launcher supports the following protocols:
* %s
It does not mean you can not test other protocols but it means that it has not been
properly tested.
To test medias that use those protocols, you should simply make sure that there
is a media descriptor file with .stream_info as an extension in your --media-paths.
You can generate such a file doing:
. $gst-validate-media-check-1.0 http://devimages.apple.com/iphone/samples/bipbop/bipbopall.m3u8 --output-file /somewhere/in/you/media/path/bipbop.stream_info
Once this is done, gst-validate-launcher will run the scenarios on those media files the
same way as if they were local files.
4. Debug gst-validate-launcher execution
----------------------------------------
You can activate debug logs setting the environment variable GST_VALIDATE_LAUNCHER_DEBUG.
It uses the same syntax as PITIVI_DEBUG (more information at:
http://wiki.pitivi.org/wiki/Bug_reporting#Debug_logs).
''' % ("\n * ".join([reporter.name for reporter in
utils.get_subclasses(reporters.Reporter, reporters.__dict__)]
),
DEFAULT_MAIN_DIR,
"\n * ".join([getattr(Protocols, att) for att in
dir(Protocols) if isinstance(getattr(Protocols, att), str) and not
att.startswith("_")]))
QA_ASSETS = "gst-integration-testsuites"
MEDIAS_FOLDER = "medias"
DEFAULT_GST_QA_ASSETS_REPO = "git://anongit.freedesktop.org/gstreamer/gst-integration-testsuites"
OLD_DEFAULT_GST_QA_ASSETS_REPO = "https://gitlab.com/thiblahute/gst-integration-testsuites.git"
DEFAULT_TESTSUITES_DIRS = [os.path.join(DEFAULT_MAIN_DIR, QA_ASSETS, "testsuites")]
def download_assets(options):
try:
launch_command("%s %s %s" % (options.get_assets_command,
options.remote_assets_url,
options.clone_dir),
fails=True)
except subprocess.CalledProcessError as e:
if "git" in options.get_assets_command:
m = "\n\nMAKE SURE YOU HAVE git INSTALLED!"
else:
m = ""
printc("Could not download assets\n\nError: %s%s" % (e, m),
Colors.FAIL, True)
return False
return True
class PrintUsage(argparse.Action):
def __init__(self, option_strings, dest=argparse.SUPPRESS, default=argparse.SUPPRESS, help=None):
super(
PrintUsage, self).__init__(option_strings=option_strings, dest=dest,
default=default, nargs=0, help=help)
def __call__(self, parser, namespace, values, option_string=None):
print(HELP)
parser.exit()
class LauncherConfig(Loggable):
def __init__(self):
self.testsuites = []
self.debug = False
self.forever = False
self.n_runs = None
self.fatal_error = False
self.wanted_tests = []
self.blacklisted_tests = []
self.list_tests = False
self.mute = False
self.no_color = False
self.generate_info = False
self.update_media_info = False
self.generate_info_full = False
self.long_limit = utils.LONG_TEST
self.config = None
self.valgrind = False
self.gdb = False
self.no_display = False
self.xunit_file = None
self.main_dir = utils.DEFAULT_MAIN_DIR
self.output_dir = None
self.logsdir = None
self.privatedir = None
self.redirect_logs = False
self.num_jobs = multiprocessing.cpu_count()
self.dest = None
self._using_default_paths = False
# paths passed with --media-path, and not defined by a testsuite
self.user_paths = []
self.paths = []
self.testsuites_dirs = DEFAULT_TESTSUITES_DIRS
self.clone_dir = None
self.http_server_port = 8079
self.http_bandwith = 1024 * 1024
self.http_server_dir = None
self.httponly = False
self.get_assets_command = "git clone"
self.remote_assets_url = DEFAULT_GST_QA_ASSETS_REPO
self.sync = False
self.force_sync = False
self.sync_all = False
self.check_bugs_status = False
def cleanup(self):
"""
Cleanup the options looking after user options have been parsed
"""
# Get absolute path for main_dir and base everything on that
self.main_dir = os.path.abspath(self.main_dir)
# default for output_dir is MAINDIR
if not self.output_dir:
self.output_dir = self.main_dir
else:
self.output_dir = os.path.abspath(self.output_dir)
if self.gdb:
self.logsdir = "stdout"
self.debug = True
self.num_jobs = 1
try:
subprocess.check_output("gdb --help", shell=True)
except subprocess.CalledProcessError:
printc("Want to use gdb, but not available on the system",
Colors.FAIL)
return False
# other output directories
if self.logsdir in ['stdout', 'stderr']:
# Allow -l stdout/stderr to work like -rl stdout/stderr
self.redirect_logs = self.logsdir
self.logsdir = None
if self.verbose:
self.redirect_logs = 'stdout'
self.logsdir = None
if self.logsdir is None:
self.logsdir = os.path.join(self.output_dir, "logs")
if self.dest is None:
self.dest = os.path.join(self.output_dir, "rendered")
self.privatedir = os.path.join(self.output_dir, "launcher-private")
if not os.path.exists(self.dest):
os.makedirs(self.dest)
if not os.path.exists(self.logsdir):
os.makedirs(self.logsdir)
if not os.path.exists(self.privatedir):
os.makedirs(self.privatedir)
if self.redirect_logs not in ['stdout', 'stderr', False]:
printc("Log redirection (%s) must be either 'stdout' or 'stderr'."
% self.redirect_logs, Colors.FAIL, True)
return False
if urllib.parse.urlparse(self.dest).scheme == "":
self.dest = path2url(self.dest)
if self.no_color:
utils.desactivate_colors()
if self.clone_dir is None:
self.clone_dir = os.path.join(self.main_dir, QA_ASSETS)
if not isinstance(self.paths, list):
self.paths = [self.paths]
if not isinstance(self.user_paths, list):
self.user_paths = [self.user_paths]
self.paths = list(set(self.paths).union(set(self.user_paths)))
if self.generate_info_full is True:
self.generate_info = True
if self.sync_all is True or self.force_sync is True:
self.sync = True
if not self.sync and not os.path.exists(self.clone_dir) and \
self.clone_dir == os.path.join(self.clone_dir, MEDIAS_FOLDER):
printc("Media path (%s) does not exists. Forgot to run --sync ?"
% self.clone_dir, Colors.FAIL, True)
return False
if (self.main_dir != DEFAULT_MAIN_DIR or
self.clone_dir != QA_ASSETS):
local_clone_dir = os.path.join(self.main_dir, self.clone_dir, "testsuites")
if local_clone_dir not in self.testsuites_dirs:
self.testsuites_dirs.insert(0, local_clone_dir)
if self.valgrind:
try:
subprocess.check_output("valgrind --help", shell=True)
except subprocess.CalledProcessError:
printc("Want to use valgrind, but not available on the system",
Colors.FAIL)
return False
return True
def set_http_server_dir(self, path):
if self.http_server_dir is not None:
printc("Server directory already set to %s" % self.http_server_dir)
return
self.http_server_dir = path
def add_paths(self, paths, force=False):
if force is False:
if self.paths:
return
if not isinstance(paths, list):
paths = [paths]
if self._using_default_paths:
self.paths = paths
self._using_default_paths = False
else:
for path in paths:
if path not in self.paths:
self.paths.append(path)
def main(libsdir):
if "--help" in sys.argv:
_help_message = HELP
else:
_help_message = "Use --help for the full help"
DEFAULT_TESTSUITES_DIRS.append(os.path.join(libsdir, "testsuites"))
parser = argparse.ArgumentParser(
formatter_class=argparse.RawTextHelpFormatter,
prog='gst-validate-launcher', description=_help_message)
parser.add_argument('testsuites', metavar='N', nargs='*',
help="""Lets you specify a test to run, a testsuite name or a file where the testsuite to execute is defined.
In the module if you want to work with a specific test manager(s) (for example,
'ges' or 'validate'), you should define the TEST_MANAGER variable in the
testsuite file (it can be a list of test manager names)
In this file you should implement a setup_tests function. That function takes
a TestManager and the GstValidateLauncher option as parameters and return True
if it succeeded loading the tests, False otherwise.
You will be able to configure the TestManager with its various methods. This
function will be called with each TestManager usable, for example you will be
passed the 'validate' TestManager in case the GstValidateManager launcher is
available. You should configure it using:
* test_manager.add_scenarios: which allows you to register a list of scenario names to be run
* test_manager.set_default_blacklist: Lets you set a list of tuple of the form:
(@regex_defining_blacklister_test_names, @reason_for_the_blacklisting)
* test_manager.add_generators: which allows you to register a list of #GstValidateTestsGenerator
to be used to generate tests
* test_manager.add_encoding_formats:: which allows you to register a list #MediaFormatCombination to be used for transcoding tests
You can also set default values with:
* test_manager.register_defaults: Sets default values for all parametters
* test_manager.register_default_test_generators: Sets default values for the TestsGenerators to be used
* test_manager.register_default_scenarios: Sets default values for the scenarios to be executed
* test_manager.register_default_encoding_formats: Sets default values for the encoding formats to be tested
Note that all testsuite should be inside python modules, so the directory should contain a __init__.py file
""",
default=["validate"])
parser.add_argument("-d", "--debug", dest="debug",
action="store_true",
help="Let user debug the process on timeout")
parser.add_argument("--timeout-factor", dest="timeout_factor",
default=1.0, type=float,
help="Factor to be applied on all timeout values.")
parser.add_argument("-f", "--forever", dest="forever",
action="store_true",
help="Keep running tests until one fails")
parser.add_argument("--n-runs", dest="n_runs", action='store',
help="Number of runs, if the testsuites."
" Meaning no failure will stop the testuite"
" run meanwhile.", type=int),
parser.add_argument("-F", "--fatal-error", dest="fatal_error",
action="store_true",
help="Stop on first fail")
parser.add_argument("--fail-on-testlist-change",
dest="fail_on_testlist_change",
action="store_true",
help="Fail the testsuite if a test has been added"
" or removed without being explicitely added/removed "
"from the testlist file.")
parser.add_argument("-t", "--wanted-tests", dest="wanted_tests",
action="append",
help="Define the tests to execute, it can be a regex."
" If it contains defaults_only, only default scenarios"
" will be executed")
parser.add_argument("-b", "--blacklisted-tests", dest="blacklisted_tests",
action="append",
help="Define the tests not to execute, it can be a regex.")
parser.add_argument("--check-bugs", dest="check_bugs_status",
action="store_true",
help="Check if the bug linked to blacklisted tests has"
" been marked as resolved. (only work with bugzilla "
"for the time being).")
parser.add_argument("-L", "--list-tests",
dest="list_tests",
action="store_true",
help="List tests and exit")
parser.add_argument("-m", "--mute", dest="mute",
action="store_true",
help="Mute playback output, which means that we use "
"a fakesink")
parser.add_argument("-n", "--no-color", dest="no_color",
action="store_true",
help="Set it to output no colored text in the terminal")
parser.add_argument("-g", "--generate-media-info", dest="generate_info",
action="store_true",
help="Set it in order to generate the missing .media_infos files")
parser.add_argument("--update-media-info", dest="update_media_info",
action="store_true",
help="Set it in order to update existing .media_infos files")
parser.add_argument(
"-G", "--generate-media-info-with-frame-detection", dest="generate_info_full",
action="store_true",
help="Set it in order to generate the missing .media_infos files. "
"It implies --generate-media-info but enabling frame detection")
parser.add_argument("-lt", "--long-test-limit", dest="long_limit",
action='store',
help="Defines the limit for which a test is considered as long (in seconds)."
" Note that 0 will enable all tests", type=int),
parser.add_argument("--dump-on-failure", dest="dump_on_failure",
action="store_true", default=False,
help="Dump logs to stdout when a test fails")
parser.add_argument("-c", "--config", dest="config",
help="This is DEPRECATED, prefer using the testsuite format"
" to configure testsuites")
parser.add_argument("-vg", "--valgrind", dest="valgrind",
action="store_true",
help="Run the tests inside Valgrind")
parser.add_argument("--gdb", dest="gdb",
action="store_true",
help="Run the tests inside gdb (implies"
" --output-dir=stdout and --jobs=1)")
parser.add_argument("-nd", "--no-display", dest="no_display",
action="store_true",
help="Run the tests without outputting graphics"
" on any display. It tries to run all graphical operation"
" in a virtual framebuffer."
" Note that it is currently implemented only"
" for the X server thanks to Xvfb (which is requeried in that case)")
parser.add_argument('--xunit-file', dest='xunit_file',
action='store', metavar="FILE",
help=("Path to xml file to store the xunit report in."))
parser.add_argument('--shuffle', dest="shuffle", action="store_true",
help="Runs the test in a random order. Can help speed up the overall"
" test time by running synchronized and unsynchronized tests"
" at the same time")
dir_group = parser.add_argument_group(
"Directories and files to be used by the launcher")
dir_group.add_argument("-M", "--main-dir", dest="main_dir",
help="Main directory where to put files. Default is %s" % DEFAULT_MAIN_DIR)
dir_group.add_argument("--testsuites-dir", dest="testsuites_dirs", action='append',
help="Directory where to look for testsuites. Default is %s"
% DEFAULT_TESTSUITES_DIRS)
dir_group.add_argument("-o", "--output-dir", dest="output_dir",
help="Directory where to store logs and rendered files. Default is MAIN_DIR")
dir_group.add_argument("-l", "--logs-dir", dest="logsdir",
help="Directory where to store logs, default is OUTPUT_DIR/logs.")
dir_group.add_argument("-R", "--render-path", dest="dest",
help="Set the path to which projects should be rendered, default is OUTPUT_DIR/rendered")
dir_group.add_argument("-p", "--medias-paths", dest="user_paths", action="append",
help="Paths in which to look for media files")
dir_group.add_argument("-a", "--clone-dir", dest="clone_dir",
help="Paths where to clone the testuite to run."
" default is MAIN_DIR/gst-integration-testsuites")
dir_group.add_argument("-rl", "--redirect-logs", dest="redirect_logs",
help="Redirect logs to 'stdout' or 'sdterr'.")
dir_group.add_argument("-v", "--verbose", dest="verbose",
default=False, action='store_true',
help="Redirect logs to stdout.")
dir_group.add_argument("-j", "--jobs", dest="num_jobs",
help="Number of tests to execute simultaneously"
" (Defaults to number of cores of the processor)",
type=int)
dir_group.add_argument("--ignore-numfailures", dest="ignore_numfailures",
help="Ignore the number of failed test in exit code",
default=False, action='store_true')
http_server_group = parser.add_argument_group(
"Handle the HTTP server to be created")
http_server_group.add_argument(
"--http-server-port", dest="http_server_port",
help="Port on which to run the http server on localhost", type=int)
http_server_group.add_argument(
"--http-bandwith-limitation", dest="http_bandwith",
help="The artificial bandwith limitation to introduce to the local server (in Bytes/sec) (default: 1 MBps)")
http_server_group.add_argument(
"-s", "--folder-for-http-server", dest="http_server_dir",
help="Folder in which to create an http server on localhost. Default is PATHS")
http_server_group.add_argument("--http-only", dest="httponly",
action='store_true',
help="Start the http server and quit")
assets_group = parser.add_argument_group("Handle remote assets")
assets_group.add_argument(
"--get-assets-command", dest="get_assets_command",
help="Command to get assets")
assets_group.add_argument("--remote-assets-url", dest="remote_assets_url",
help="Url to the remote assets (default:%s)" % DEFAULT_GST_QA_ASSETS_REPO)
assets_group.add_argument("-S", "--sync", dest="sync", action="store_true",
help="Synchronize asset repository")
assets_group.add_argument("-fs", "--force-sync", dest="force_sync", action="store_true",
help="Synchronize asset repository reseting any change that might have"
" happened in the testsuite")
assets_group.add_argument("--sync-all", dest="sync_all", action="store_true",
help="Synchronize asset repository,"
" including big media files")
assets_group.add_argument("--usage", action=PrintUsage,
help="Print usage documentation")
loggable.init("GST_VALIDATE_LAUNCHER_DEBUG", True, False)
tests_launcher = _TestsLauncher(libsdir)
tests_launcher.add_options(parser)
if _help_message == HELP and which(LESS):
tmpf = tempfile.NamedTemporaryFile(mode='r+')
parser.print_help(file=tmpf)
exit(os.system("%s %s" % (LESS, tmpf.name)))
options = LauncherConfig()
parser.parse_args(namespace=options)
if not options.cleanup():
exit(1)
if options.remote_assets_url and options.sync and not os.path.exists(options.clone_dir):
if not download_assets(options):
exit(1)
# Ensure that the scenario manager singleton is ready to be used
ScenarioManager().config = options
if not tests_launcher.set_settings(options, []):
exit(1)
if options.list_tests:
if tests_launcher.list_tests() == -1:
printc("\nFailling as tests have been removed/added "
" (--fail-on-testlist-change)", Colors.FAIL)
exit(1)
l = tests_launcher.tests
for test in l:
printc(test)
printc("\nNumber of tests: %d" % len(l), Colors.OKGREEN)
return 0
httpsrv = HTTPServer(options)
if tests_launcher.needs_http_server() or options.httponly is True:
httpsrv.start()
vfb_server = get_virual_frame_buffer_server(options)
if options.no_display:
res = vfb_server.start()
if res[0] is False:
printc("Could not start virtual frame server: %s" % res[1],
Colors.FAIL)
exit(1)
os.environ["DISPLAY"] = vfb_server.display_id
if options.httponly is True:
print("Running HTTP server only")
return
# There seems to be some issue with forking, dconf and some gtype
# initialization that deadlocks occasionally, setting the
# GSettings backend make it go away.
# Also happened here: https://cgit.freedesktop.org/gstreamer/gst-plugins-good/commit/tests/check/Makefile.am?id=8e2c1d1de56bddbff22170f8b17473882e0e63f9
os.environ['GSETTINGS_BACKEND'] = "memory"
exception = None
try:
tests_launcher.run_tests()
except Exception as e:
exception = e
pass
finally:
res = tests_launcher.final_report()
if options.ignore_numfailures:
res = 0
tests_launcher.clean_tests()
httpsrv.stop()
vfb_server.stop()
if exception is not None:
raise exception
return res
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