#!/usr/bin/env python3 # # Copyright (c) 2013,Thibault Saunier # # 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. """ Class representing tests and test managers. """ import importlib.util import json import os import sys import re import copy import shlex import socketserver import struct import time from . import utils import signal import urllib.parse import subprocess import threading import queue import configparser import xml import random import shutil import uuid from itertools import cycle from fractions import Fraction from .utils import which from . import reporters from . import loggable from .loggable import Loggable from collections import defaultdict try: from lxml import etree as ET except ImportError: import xml.etree.cElementTree as ET from .vfb_server import get_virual_frame_buffer_server from .httpserver import HTTPServer from .utils import mkdir, Result, Colors, printc, DEFAULT_TIMEOUT, GST_SECOND, \ Protocols, look_for_file_in_source_dir, get_data_file, BackTraceGenerator, \ check_bugs_resolution, is_tty # The factor by which we increase the hard timeout when running inside # Valgrind GDB_TIMEOUT_FACTOR = VALGRIND_TIMEOUT_FACTOR = 20 RR_TIMEOUT_FACTOR = 2 TIMEOUT_FACTOR = float(os.environ.get("TIMEOUT_FACTOR", 1)) # The error reported by valgrind when detecting errors VALGRIND_ERROR_CODE = 20 VALIDATE_OVERRIDE_EXTENSION = ".override" EXITING_SIGNALS = dict([(-getattr(signal, s), s) for s in [ 'SIGQUIT', 'SIGILL', 'SIGABRT', 'SIGFPE', 'SIGSEGV', 'SIGBUS', 'SIGSYS', 'SIGTRAP', 'SIGXCPU', 'SIGXFSZ', 'SIGIOT'] if hasattr(signal, s)]) EXITING_SIGNALS.update({139: "SIGSEGV"}) EXITING_SIGNALS.update({(v, k) for k, v in EXITING_SIGNALS.items()}) CI_ARTIFACTS_URL = os.environ.get('CI_ARTIFACTS_URL') class Test(Loggable): """ A class representing a particular test. """ def __init__(self, application_name, classname, options, reporter, duration=0, timeout=DEFAULT_TIMEOUT, hard_timeout=None, extra_env_variables=None, expected_issues=None, is_parallel=True, workdir=None): """ @timeout: The timeout during which the value return by get_current_value keeps being exactly equal @hard_timeout: Max time the test can take in absolute """ Loggable.__init__(self) self.timeout = timeout * TIMEOUT_FACTOR * options.timeout_factor if hard_timeout: self.hard_timeout = hard_timeout * TIMEOUT_FACTOR self.hard_timeout *= options.timeout_factor else: self.hard_timeout = hard_timeout self.classname = classname self.options = options self.application = application_name self.command = [] self.server_command = None self.reporter = reporter self.process = None self.proc_env = None self.thread = None self.queue = None self.duration = duration self.stack_trace = None self._uuid = None if expected_issues is None: self.expected_issues = [] elif not isinstance(expected_issues, list): self.expected_issues = [expected_issues] else: self.expected_issues = expected_issues extra_env_variables = extra_env_variables or {} self.extra_env_variables = extra_env_variables self.optional = False self.is_parallel = is_parallel self.generator = None self.workdir = workdir self.allow_flakiness = False self.html_log = None self.rr_logdir = None self.clean() def _generate_expected_issues(self): return '' def generate_expected_issues(self): res = '%s"FIXME \'%s\' issues [REPORT A BUG ' % (" " * 4, self.classname) \ + 'in https://gitlab.freedesktop.org/gstreamer/ '\ + 'or use a proper bug description]": {' res += """ "tests": [ "%s" ], "issues": [""" % (self.classname) retcode = self.process.returncode if self.process else 0 if retcode != 0: signame = EXITING_SIGNALS.get(retcode) val = "'" + signame + "'" if signame else retcode res += """\n { '%s': %s, 'sometimes': True, },""" % ("signame" if signame else "returncode", val) res += self._generate_expected_issues() res += "\n%s],\n%s},\n" % (" " * 8, " " * 4) return res def copy(self, nth=None): copied_test = copy.copy(self) if nth: copied_test.classname += '_it' + str(nth) copied_test.options = copy.copy(self.options) copied_test.options.logsdir = os.path.join(copied_test.options.logsdir, str(nth)) os.makedirs(copied_test.options.logsdir, exist_ok=True) return copied_test def clean(self): self.kill_subprocess() self.message = "" self.error_str = "" self.time_taken = 0.0 self._starting_time = None self.result = Result.NOT_RUN self.logfile = None self.out = None self.extra_logfiles = set() self.__env_variable = [] self.kill_subprocess() self.process = None def __str__(self): string = self.classname if self.result != Result.NOT_RUN: string += ": " + self.result if self.result in [Result.FAILED, Result.TIMEOUT]: string += " '%s'" % self.message if not self.options.dump_on_failure: if not self.options.redirect_logs and self.result != Result.PASSED: string += self.get_logfile_repr() else: string = "\n==> %s" % string return string def add_env_variable(self, variable, value=None): """ Only useful so that the gst-validate-launcher can print the exact right command line to reproduce the tests """ if value is None: value = os.environ.get(variable, None) if value is None: return self.__env_variable.append(variable) @property def _env_variable(self): res = "" if not self.options.verbose or self.options.verbose > 1: for var in set(self.__env_variable): if res: res += " " value = self.proc_env.get(var, None) if value is not None: res += "%s='%s'" % (var, value) else: res += "[Not displaying environment variables, rerun with -vv for the full command]" return res def open_logfile(self): if self.out: return path = os.path.join(self.options.logsdir, self.classname.replace(".", os.sep) + '.md') mkdir(os.path.dirname(path)) self.logfile = path if self.options.redirect_logs == 'stdout': self.out = sys.stdout elif self.options.redirect_logs == 'stderr': self.out = sys.stderr else: self.out = open(path, 'w+') def finalize_logfiles(self): self.out.write("\n**Duration**: %s" % self.time_taken) if not self.options.redirect_logs: self.out.flush() for logfile in self.extra_logfiles: # Only copy over extra logfile content if it's below a certain threshold # Avoid copying gigabytes of data if a lot of debugging is activated if os.path.getsize(logfile) < 500 * 1024: self.out.write('\n\n## %s:\n\n```\n%s\n```\n' % ( os.path.basename(logfile), self.get_extra_log_content(logfile)) ) else: self.out.write('\n\n## %s:\n\n**Log file too big.**\n %s\n\n Check file content directly\n\n' % ( os.path.basename(logfile), logfile) ) if self.rr_logdir: self.out.write('\n\n## rr trace:\n\n```\nrr replay %s/latest-trace\n```\n' % ( self.rr_logdir)) self.out.flush() self.out.close() if self.options.html: self.html_log = os.path.splitext(self.logfile)[0] + '.html' import commonmark parser = commonmark.Parser() with open(self.logfile) as f: ast = parser.parse(f.read()) renderer = commonmark.HtmlRenderer() html = renderer.render(ast) with open(self.html_log, 'w') as f: f.write(html) self.out = None def _get_file_content(self, file_name): f = open(file_name, 'r+') value = f.read() f.close() return value def get_log_content(self): return self._get_file_content(self.logfile) def get_extra_log_content(self, extralog): if extralog not in self.extra_logfiles: return "" return self._get_file_content(extralog) def get_classname(self): name = self.classname.split('.')[-1] classname = self.classname.replace('.%s' % name, '') return classname def get_name(self): return self.classname.split('.')[-1] def get_uuid(self): if self._uuid is None: self._uuid = self.classname + str(uuid.uuid4()) return self._uuid def add_arguments(self, *args): self.command += args def build_arguments(self): self.add_env_variable("LD_PRELOAD") self.add_env_variable("DISPLAY") def add_stack_trace_to_logfile(self): self.debug("Adding stack trace") if self.options.rr: return trace_gatherer = BackTraceGenerator.get_default() stack_trace = trace_gatherer.get_trace(self) if not stack_trace: return info = "\n\n## Stack trace\n\n```\n%s\n```" % stack_trace if self.options.redirect_logs: print(info) return if self.options.xunit_file: self.stack_trace = stack_trace self.out.write(info) self.out.flush() def add_known_issue_information(self): if self.expected_issues: info = "\n\n## Already known issues\n\n``` python\n%s\n```\n\n" % ( json.dumps(self.expected_issues, indent=4) ) else: info = "" info += "\n\n**You can mark the issues as 'known' by adding the " \ + " following lines to the list of known issues**\n" \ + "\n\n``` python\n%s\n```" % (self.generate_expected_issues()) if self.options.redirect_logs: print(info) return self.out.write(info) def set_result(self, result, message="", error=""): if not self.options.redirect_logs: self.out.write("\n```\n") self.out.flush() self.debug("Setting result: %s (message: %s, error: %s)" % (result, message, error)) if result is Result.TIMEOUT: if self.options.debug is True: if self.options.gdb: printc("Timeout, you should process c to get into gdb", Colors.FAIL) # and wait here until gdb exits self.process.communicate() else: pname = self.command[0] input("%sTimeout happened on %s you can attach gdb doing:\n $gdb %s %d%s\n" "Press enter to continue" % (Colors.FAIL, self.classname, pname, self.process.pid, Colors.ENDC)) else: self.add_stack_trace_to_logfile() self.result = result self.message = message self.error_str = error if result not in [Result.PASSED, Result.NOT_RUN, Result.SKIPPED]: self.add_known_issue_information() def check_results(self): if self.result is Result.FAILED or self.result is Result.TIMEOUT: return self.debug("%s returncode: %s", self, self.process.returncode) if self.options.rr and self.process.returncode == -signal.SIGPIPE: self.set_result(Result.SKIPPED, "SIGPIPE received under `rr`, known issue.") elif self.process.returncode == 0: self.set_result(Result.PASSED) elif self.process.returncode in EXITING_SIGNALS: self.add_stack_trace_to_logfile() self.set_result(Result.FAILED, "Application exited with signal %s" % ( EXITING_SIGNALS[self.process.returncode])) elif self.process.returncode == VALGRIND_ERROR_CODE: self.set_result(Result.FAILED, "Valgrind reported errors") else: self.set_result(Result.FAILED, "Application returned %d" % (self.process.returncode)) def get_current_value(self): """ Lets subclasses implement a nicer timeout measurement method They should return some value with which we will compare the previous and timeout if they are egual during self.timeout seconds """ return Result.NOT_RUN def process_update(self): """ Returns True when process has finished running or has timed out. """ if self.process is None: # Process has not started running yet return False self.process.poll() if self.process.returncode is not None: return True val = self.get_current_value() self.debug("Got value: %s" % val) if val is Result.NOT_RUN: # The get_current_value logic is not implemented... dumb # timeout if time.time() - self.last_change_ts > self.timeout: self.set_result(Result.TIMEOUT, "Application timed out: %s secs" % self.timeout, "timeout") return True return False elif val is Result.FAILED: return True elif val is Result.KNOWN_ERROR: return True self.log("New val %s" % val) if val == self.last_val: delta = time.time() - self.last_change_ts self.debug("%s: Same value for %d/%d seconds" % (self, delta, self.timeout)) if delta > self.timeout: self.set_result(Result.TIMEOUT, "Application timed out: %s secs" % self.timeout, "timeout") return True elif self.hard_timeout and time.time() - self.start_ts > self.hard_timeout: self.set_result( Result.TIMEOUT, "Hard timeout reached: %d secs" % self.hard_timeout) return True else: self.last_change_ts = time.time() self.last_val = val return False def get_subproc_env(self): return os.environ.copy() def kill_subprocess(self): subprocs_id = None if self.options.rr and self.process and self.process.returncode is None: cmd = ["ps", "-o", "pid", "--ppid", str(self.process.pid), "--noheaders"] try: subprocs_id = [int(pid.strip('\n')) for pid in subprocess.check_output(cmd).decode().split(' ') if pid] except FileNotFoundError: self.error("Ps not found, will probably not be able to get rr " "working properly after we kill the process") except subprocess.CalledProcessError as e: self.error("Couldn't get rr subprocess pid: %s" % (e)) utils.kill_subprocess(self, self.process, DEFAULT_TIMEOUT, subprocs_id) def run_external_checks(self): pass def thread_wrapper(self): def enable_sigint(): # Restore the SIGINT handler for the child process (gdb) to ensure # it can handle it. signal.signal(signal.SIGINT, signal.SIG_DFL) if self.options.gdb and os.name != "nt": preexec_fn = enable_sigint else: preexec_fn = None self.process = subprocess.Popen(self.command, stderr=self.out, stdout=self.out, env=self.proc_env, cwd=self.workdir, preexec_fn=preexec_fn) self.process.wait() if self.result is not Result.TIMEOUT: if self.process.returncode == 0: self.run_external_checks() self.queue.put(None) def get_valgrind_suppression_file(self, subdir, name): p = get_data_file(subdir, name) if p: return p self.error("Could not find any %s file" % name) def get_valgrind_suppressions(self): return [self.get_valgrind_suppression_file('data', 'gstvalidate.supp')] def use_gdb(self, command): if self.hard_timeout is not None: self.hard_timeout *= GDB_TIMEOUT_FACTOR self.timeout *= GDB_TIMEOUT_FACTOR if not self.options.gdb_non_stop: self.timeout = sys.maxsize self.hard_timeout = sys.maxsize args = ["gdb"] if self.options.gdb_non_stop: args += ["-ex", "run", "-ex", "backtrace", "-ex", "quit"] args += ["--args"] + command return args def use_rr(self, command, subenv): command = ["rr", 'record', '-h'] + command self.timeout *= RR_TIMEOUT_FACTOR self.rr_logdir = os.path.join(self.options.logsdir, self.classname.replace(".", os.sep), 'rr-logs') subenv['_RR_TRACE_DIR'] = self.rr_logdir try: shutil.rmtree(self.rr_logdir, ignore_errors=False, onerror=None) except FileNotFoundError: pass self.add_env_variable('_RR_TRACE_DIR', self.rr_logdir) return command def use_valgrind(self, command, subenv): vglogsfile = os.path.splitext(self.logfile)[0] + '.valgrind' self.extra_logfiles.add(vglogsfile) vg_args = [] for o, v in [('trace-children', 'yes'), ('tool', 'memcheck'), ('leak-check', 'full'), ('leak-resolution', 'high'), # TODO: errors-for-leak-kinds should be set to all instead of definite # and all false positives should be added to suppression # files. ('errors-for-leak-kinds', 'definite,indirect'), ('show-leak-kinds', 'definite,indirect'), ('show-possibly-lost', 'no'), ('num-callers', '20'), ('error-exitcode', str(VALGRIND_ERROR_CODE)), ('gen-suppressions', 'all')]: vg_args.append("--%s=%s" % (o, v)) if not self.options.redirect_logs: vglogsfile = os.path.splitext(self.logfile)[0] + '.valgrind' self.extra_logfiles.add(vglogsfile) vg_args.append("--%s=%s" % ('log-file', vglogsfile)) for supp in self.get_valgrind_suppressions(): vg_args.append("--suppressions=%s" % supp) command = ["valgrind"] + vg_args + command # Tune GLib's memory allocator to be more valgrind friendly subenv['G_DEBUG'] = 'gc-friendly' subenv['G_SLICE'] = 'always-malloc' if self.hard_timeout is not None: self.hard_timeout *= VALGRIND_TIMEOUT_FACTOR self.timeout *= VALGRIND_TIMEOUT_FACTOR # Enable 'valgrind.config' self.add_validate_config(get_data_file( 'data', 'valgrind.config'), subenv) if subenv == self.proc_env: self.add_env_variable('G_DEBUG', 'gc-friendly') self.add_env_variable('G_SLICE', 'always-malloc') self.add_env_variable('GST_VALIDATE_CONFIG', self.proc_env['GST_VALIDATE_CONFIG']) return command def add_validate_config(self, config, subenv=None): if not subenv: subenv = self.extra_env_variables cconf = subenv.get('GST_VALIDATE_CONFIG', "") paths = [c for c in cconf.split(os.pathsep) if c] + [config] subenv['GST_VALIDATE_CONFIG'] = os.pathsep.join(paths) def launch_server(self): return None def get_logfile_repr(self): if not self.options.redirect_logs: if self.html_log: log = self.html_log else: log = self.logfile if CI_ARTIFACTS_URL: log = CI_ARTIFACTS_URL + os.path.relpath(log, self.options.logsdir) return "\n Log: %s" % (log) return "" def get_command_repr(self): message = "%s %s" % (self._env_variable, ' '.join( shlex.quote(arg) for arg in self.command)) if self.server_command: message = "%s & %s" % (self.server_command, message) return message def test_start(self, queue): self.open_logfile() self.server_command = self.launch_server() self.queue = queue self.command = [self.application] self._starting_time = time.time() self.build_arguments() self.proc_env = self.get_subproc_env() for var, value in list(self.extra_env_variables.items()): value = self.proc_env.get(var, '') + os.pathsep + value self.proc_env[var] = value.strip(os.pathsep) self.add_env_variable(var, self.proc_env[var]) if self.options.gdb: self.command = self.use_gdb(self.command) self.previous_sigint_handler = signal.getsignal(signal.SIGINT) # Make the gst-validate executable ignore SIGINT while gdb is # running. signal.signal(signal.SIGINT, signal.SIG_IGN) if self.options.valgrind: self.command = self.use_valgrind(self.command, self.proc_env) if self.options.rr: self.command = self.use_rr(self.command, self.proc_env) if not self.options.redirect_logs: self.out.write("# `%s`\n\n" "## Command\n\n``` bash\n%s\n```\n\n" % ( self.classname, self.get_command_repr())) self.out.write("## %s output\n\n``` \n\n" % os.path.basename(self.application)) self.out.flush() else: message = "Launching: %s%s\n" \ " Command: %s\n" % (Colors.ENDC, self.classname, self.get_command_repr()) printc(message, Colors.OKBLUE) self.thread = threading.Thread(target=self.thread_wrapper) self.thread.start() self.last_val = 0 self.last_change_ts = time.time() self.start_ts = time.time() def _dump_log_file(self, logfile): if which('bat'): try: subprocess.check_call(['bat', '-H', '1', '--paging=never', logfile]) return except (subprocess.CalledProcessError, FileNotFoundError): pass with open(logfile, 'r') as fin: for line in fin.readlines(): print('> ' + line, end='') def _dump_log_files(self): self._dump_log_file(self.logfile) def copy_logfiles(self, extra_folder="flaky_tests"): path = os.path.dirname(os.path.join(self.options.logsdir, extra_folder, self.classname.replace(".", os.sep))) mkdir(path) self.logfile = shutil.copy(self.logfile, path) extra_logs = [] for logfile in self.extra_logfiles: extra_logs.append(shutil.copy(logfile, path)) self.extra_logfiles = extra_logs def test_end(self, retry_on_failure=False): self.kill_subprocess() self.thread.join() self.time_taken = time.time() - self._starting_time if self.options.gdb: signal.signal(signal.SIGINT, self.previous_sigint_handler) self.finalize_logfiles() message = None end = "\n" if self.options.dump_on_failure: if self.result not in [Result.PASSED, Result.KNOWN_ERROR, Result.NOT_RUN]: self._dump_log_files() # Only keep around env variables we need later clean_env = {} for n in self.__env_variable: clean_env[n] = self.proc_env.get(n, None) self.proc_env = clean_env # Don't keep around JSON report objects, they were processed # in check_results already self.reports = [] return self.result class GstValidateTCPServer(socketserver.ThreadingMixIn, socketserver.TCPServer): pass class GstValidateListener(socketserver.BaseRequestHandler, Loggable): def __init__(self, *args, **kwargs): super().__init__(*args, **kwargs) Loggable.__init__(self, "GstValidateListener") def handle(self): """Implements BaseRequestHandler handle method""" test = None self.logCategory = "GstValidateListener" while True: raw_len = self.request.recv(4) if raw_len == b'': return msglen = struct.unpack('>I', raw_len)[0] e = None raw_msg = bytes() while msglen != len(raw_msg): raw_msg += self.request.recv(msglen - len(raw_msg)) if e is not None: continue try: msg = raw_msg.decode('utf-8', 'ignore') except UnicodeDecodeError as e: self.error("%s Could not decode message: %s - %s" % (test.classname if test else "unknown", msg, e)) continue if msg == '': return try: obj = json.loads(msg) except json.decoder.JSONDecodeError as e: self.error("%s Could not decode message: %s - %s" % (test.classname if test else "unknown", msg, e)) continue if test is None: # First message must contain the uuid uuid = obj.get("uuid", None) if uuid is None: return # Find test from launcher for t in self.server.launcher.tests: if uuid == t.get_uuid(): test = t break if test is None: self.server.launcher.error( "Could not find test for UUID %s" % uuid) return obj_type = obj.get("type", '') if obj_type == 'position': test.set_position(obj['position'], obj['duration'], obj['speed']) elif obj_type == 'buffering': test.set_position(obj['position'], 100) elif obj_type == 'action': test.add_action_execution(obj) # Make sure that action is taken into account when checking if process # is updating test.position += 1 elif obj_type == 'action-done': # Make sure that action end is taken into account when checking if process # is updating test.position += 1 test.actions_infos[-1]['execution-duration'] = obj['execution-duration'] elif obj_type == 'report': test.add_report(obj) elif obj_type == 'skip-test': test.set_result(Result.SKIPPED) class GstValidateTest(Test): """ A class representing a particular test. """ HARD_TIMEOUT_FACTOR = 5 fault_sig_regex = re.compile("") needs_gst_inspect = set() def __init__(self, application_name, classname, options, reporter, duration=0, timeout=DEFAULT_TIMEOUT, scenario=None, hard_timeout=None, media_descriptor=None, extra_env_variables=None, expected_issues=None, workdir=None): extra_env_variables = extra_env_variables or {} if not hard_timeout and self.HARD_TIMEOUT_FACTOR: if timeout: hard_timeout = timeout * self.HARD_TIMEOUT_FACTOR elif duration: hard_timeout = duration * self.HARD_TIMEOUT_FACTOR else: hard_timeout = None # If we are running from source, use the -debug version of the # application which is using rpath instead of libtool's wrappers. It's # slightly faster to start and will not confuse valgrind. debug = '%s-debug' % application_name p = look_for_file_in_source_dir('tools', debug) if p: application_name = p self.reports = [] self.position = -1 self.media_duration = -1 self.speed = 1.0 self.actions_infos = [] self.media_descriptor = media_descriptor self.server = None self.criticals = [] override_path = self.get_override_file(media_descriptor) if override_path: if extra_env_variables: if extra_env_variables.get("GST_VALIDATE_OVERRIDE", ""): extra_env_variables[ "GST_VALIDATE_OVERRIDE"] += os.path.pathsep extra_env_variables["GST_VALIDATE_OVERRIDE"] = override_path super(GstValidateTest, self).__init__(application_name, classname, options, reporter, duration=duration, timeout=timeout, hard_timeout=hard_timeout, extra_env_variables=extra_env_variables, expected_issues=expected_issues, workdir=workdir) if media_descriptor and media_descriptor.get_media_filepath(): config_file = os.path.join(media_descriptor.get_media_filepath() + '.config') if os.path.isfile(config_file): self.add_validate_config(config_file, extra_env_variables) if scenario is None or scenario.name.lower() == "none": self.scenario = None else: self.scenario = scenario def kill_subprocess(self): Test.kill_subprocess(self) def add_report(self, report): self.reports.append(report) def set_position(self, position, duration, speed=None): self.position = position self.media_duration = duration if speed: self.speed = speed def add_action_execution(self, action_infos): self.actions_infos.append(action_infos) def get_override_file(self, media_descriptor): if media_descriptor: if media_descriptor.get_path(): override_path = os.path.splitext(media_descriptor.get_path())[ 0] + VALIDATE_OVERRIDE_EXTENSION if os.path.exists(override_path): return override_path return None def get_current_position(self): return self.position def get_current_value(self): return self.position def get_subproc_env(self): subproc_env = os.environ.copy() if self.options.validate_default_config: self.add_validate_config(self.options.validate_default_config, subproc_env, ) subproc_env["GST_VALIDATE_UUID"] = self.get_uuid() subproc_env["GST_VALIDATE_LOGSDIR"] = self.options.logsdir if 'GST_DEBUG' in os.environ and not self.options.redirect_logs: gstlogsfile = os.path.splitext(self.logfile)[0] + '.gstdebug' self.extra_logfiles.add(gstlogsfile) subproc_env["GST_DEBUG_FILE"] = gstlogsfile if self.options.no_color: subproc_env["GST_DEBUG_NO_COLOR"] = '1' # Ensure XInitThreads is called, see bgo#731525 subproc_env['GST_GL_XINITTHREADS'] = '1' self.add_env_variable('GST_GL_XINITTHREADS', '1') if self.scenario is not None: scenario = self.scenario.get_execution_name() subproc_env["GST_VALIDATE_SCENARIO"] = scenario self.add_env_variable("GST_VALIDATE_SCENARIO", subproc_env["GST_VALIDATE_SCENARIO"]) else: try: del subproc_env["GST_VALIDATE_SCENARIO"] except KeyError: pass if not subproc_env.get('GST_DEBUG_DUMP_DOT_DIR'): dotfilesdir = os.path.join(self.options.logsdir, self.classname.replace(".", os.sep) + '.pipelines_dot_files') mkdir(dotfilesdir) subproc_env['GST_DEBUG_DUMP_DOT_DIR'] = dotfilesdir if CI_ARTIFACTS_URL: dotfilesurl = CI_ARTIFACTS_URL + os.path.relpath(dotfilesdir, self.options.logsdir) subproc_env['GST_VALIDATE_DEBUG_DUMP_DOT_URL'] = dotfilesurl return subproc_env def clean(self): Test.clean(self) self.reports = [] self.position = -1 self.media_duration = -1 self.speed = 1.0 self.actions_infos = [] def build_arguments(self): super(GstValidateTest, self).build_arguments() if "GST_VALIDATE" in os.environ: self.add_env_variable("GST_VALIDATE", os.environ["GST_VALIDATE"]) if "GST_VALIDATE_SCENARIOS_PATH" in os.environ: self.add_env_variable("GST_VALIDATE_SCENARIOS_PATH", os.environ["GST_VALIDATE_SCENARIOS_PATH"]) self.add_env_variable("GST_VALIDATE_CONFIG") self.add_env_variable("GST_VALIDATE_OVERRIDE") def get_extra_log_content(self, extralog): value = Test.get_extra_log_content(self, extralog) return value def report_matches_expected_issues(self, report, expected_issue): for key in ['bug', 'bugs', 'sometimes']: if key in expected_issue: del expected_issue[key] for key, value in list(report.items()): if key in expected_issue: if not re.findall(expected_issue[key], str(value)): return False expected_issue.pop(key) if "can-happen-several-times" in expected_issue: expected_issue.pop("can-happen-several-times") return not bool(expected_issue) def check_reported_issues(self, expected_issues): ret = [] expected_retcode = [0] for report in self.reports: found = None for expected_issue in expected_issues: if self.report_matches_expected_issues(report, expected_issue.copy()): found = expected_issue break if found is not None: if not found.get('can-happen-several-times', False): expected_issues.remove(found) if report['level'] == 'critical': if found.get('sometimes', True) and isinstance(expected_retcode, list): expected_retcode.append(18) else: expected_retcode = [18] elif report['level'] == 'critical': ret.append(report) if not ret: return None, expected_issues, expected_retcode return ret, expected_issues, expected_retcode def check_expected_issue(self, expected_issue): res = True msg = '' expected_symbols = expected_issue.get('stacktrace_symbols') if expected_symbols: trace_gatherer = BackTraceGenerator.get_default() stack_trace = trace_gatherer.get_trace(self) if stack_trace: if not isinstance(expected_symbols, list): expected_symbols = [expected_symbols] not_found_symbols = [s for s in expected_symbols if s not in stack_trace] if not_found_symbols: msg = " Expected symbols '%s' not found in stack trace " % ( not_found_symbols) res = False else: msg += " No stack trace available, could not verify symbols " _, not_found_expected_issues, _ = self.check_reported_issues(expected_issue.get('issues', [])) if not_found_expected_issues: mandatory_failures = [f for f in not_found_expected_issues if not f.get('sometimes', True)] if mandatory_failures: msg = " (Expected issues not found: %s) " % mandatory_failures res = False return msg, res def check_expected_timeout(self, expected_timeout): msg = "Expected timeout happened. " result = Result.PASSED message = expected_timeout.get('message') if message: if not re.findall(message, self.message): result = Result.FAILED msg = "Expected timeout message: %s got %s " % ( message, self.message) stack_msg, stack_res = self.check_expected_issue(expected_timeout) if not stack_res: result = Result.TIMEOUT msg += stack_msg return result, msg def check_results(self): if self.result in [Result.FAILED, Result.PASSED, Result.SKIPPED]: return self.debug("%s returncode: %s", self, self.process.returncode) expected_issues = copy.deepcopy(self.expected_issues) if self.options.rr: # signal.SIGPPIPE is 13 but it sometimes isn't present in python for some reason. expected_issues.append({"returncode": -13, "sometimes": True}) self.criticals, not_found_expected_issues, expected_returncode = self.check_reported_issues(expected_issues) expected_timeout = None expected_signal = None for i, f in enumerate(not_found_expected_issues): returncode = f.get('returncode', []) if not isinstance(returncode, list): returncode = [returncode] if f.get('signame'): signames = f['signame'] if not isinstance(signames, list): signames = [signames] returncode = [EXITING_SIGNALS[signame] for signame in signames] if returncode: if 'sometimes' in f: returncode.append(0) expected_returncode = returncode expected_signal = f elif f.get("timeout"): expected_timeout = f not_found_expected_issues = [f for f in not_found_expected_issues if not f.get('returncode') and not f.get('signame')] msg = "" result = Result.PASSED if self.result == Result.TIMEOUT: with open(self.logfile) as f: signal_fault_info = self.fault_sig_regex.findall(f.read()) if signal_fault_info: result = Result.FAILED msg = signal_fault_info[0] elif expected_timeout: not_found_expected_issues.remove(expected_timeout) result, msg = self.check_expected_timeout(expected_timeout) else: return elif self.process.returncode in EXITING_SIGNALS: msg = "Application exited with signal %s" % ( EXITING_SIGNALS[self.process.returncode]) if self.process.returncode not in expected_returncode: result = Result.FAILED else: if expected_signal: stack_msg, stack_res = self.check_expected_issue( expected_signal) if not stack_res: msg += stack_msg result = Result.FAILED self.add_stack_trace_to_logfile() elif self.process.returncode == VALGRIND_ERROR_CODE: msg = "Valgrind reported errors " result = Result.FAILED elif self.process.returncode not in expected_returncode: msg = "Application returned %s " % self.process.returncode if expected_returncode != [0]: msg += "(expected %s) " % expected_returncode result = Result.FAILED if self.criticals: msg += "(critical errors: [%s]) " % ', '.join(set([c['summary'] for c in self.criticals])) result = Result.FAILED if not_found_expected_issues: mandatory_failures = [f for f in not_found_expected_issues if not f.get('sometimes', True)] if mandatory_failures: msg += " (Expected errors not found: %s) " % mandatory_failures result = Result.FAILED elif self.expected_issues: msg += ' %s(Expected errors occurred: %s)%s' % (Colors.OKBLUE, self.expected_issues, Colors.ENDC) result = Result.KNOWN_ERROR if result == Result.PASSED: for report in self.reports: if report["level"] == "expected": result = Result.KNOWN_ERROR break self.set_result(result, msg.strip()) def _generate_expected_issues(self): res = "" self.criticals = self.criticals or [] if self.result == Result.TIMEOUT: res += """ { 'timeout': True, 'sometimes': True, },""" for report in self.criticals: res += "\n%s{" % (" " * 12) for key, value in report.items(): if key == "type": continue if value is None: continue res += '\n%s%s"%s": "%s",' % ( " " * 16, "# " if key == "details" else "", key, value.replace('\n', '\\n')) res += "\n%s}," % (" " * 12) return res def get_valgrind_suppressions(self): result = super(GstValidateTest, self).get_valgrind_suppressions() result.extend(utils.get_gst_build_valgrind_suppressions()) gst_sup = self.get_valgrind_suppression_file('common', 'gst.supp') if gst_sup: result.append(gst_sup) return result class GstValidateEncodingTestInterface(object): DURATION_TOLERANCE = GST_SECOND / 4 def __init__(self, combination, media_descriptor, duration_tolerance=None): super(GstValidateEncodingTestInterface, self).__init__() self.media_descriptor = media_descriptor self.combination = combination self.dest_file = "" self._duration_tolerance = duration_tolerance if duration_tolerance is None: self._duration_tolerance = self.DURATION_TOLERANCE def get_current_size(self): try: size = os.stat(urllib.parse.urlparse(self.dest_file).path).st_size except OSError: return None self.debug("Size: %s" % size) return size def _get_profile_full(self, muxer, venc, aenc, video_restriction=None, audio_restriction=None, audio_presence=0, video_presence=0, variable_framerate=False): ret = "" if muxer: ret += muxer ret += ":" if venc: if video_restriction is not None: ret = ret + video_restriction + '->' ret += venc props = "" if video_presence: props += 'presence=%s,' % str(video_presence) if variable_framerate: props += 'variable-framerate=true,' if props: ret = ret + '|' + props[:-1] if aenc: ret += ":" if audio_restriction is not None: ret = ret + audio_restriction + '->' ret += aenc if audio_presence: ret = ret + '|' + str(audio_presence) return ret.replace("::", ":") def get_profile(self, video_restriction=None, audio_restriction=None, variable_framerate=False): vcaps = self.combination.get_video_caps() acaps = self.combination.get_audio_caps() if video_restriction is None: video_restriction = self.combination.video_restriction if audio_restriction is None: audio_restriction = self.combination.audio_restriction if self.media_descriptor is not None: if self.combination.video == "theora": # Theoraenc doesn't support variable framerate, make sure to avoid them framerate = self.media_descriptor.get_framerate() if framerate == Fraction(0, 1): framerate = Fraction(30, 1) restriction = utils.GstCaps.new_from_str(video_restriction or "video/x-raw") for struct, _ in restriction: if struct.get("framerate") is None: struct.set("framerate", struct.FRACTION_TYPE, framerate) video_restriction = str(restriction) video_presence = self.media_descriptor.get_num_tracks("video") if video_presence == 0: vcaps = None audio_presence = self.media_descriptor.get_num_tracks("audio") if audio_presence == 0: acaps = None return self._get_profile_full(self.combination.get_muxer_caps(), vcaps, acaps, audio_presence=audio_presence, video_presence=video_presence, video_restriction=video_restriction, audio_restriction=audio_restriction, variable_framerate=variable_framerate) def _clean_caps(self, caps): """ Returns a list of key=value or structure name, without "(types)" or ";" or "," """ return re.sub(r"\(.+?\)\s*| |;", '', caps).split(',') # pylint: disable=E1101 def _has_caps_type_variant(self, c, ccaps): """ Handle situations where we can have application/ogg or video/ogg or audio/ogg """ has_variant = False media_type = re.findall("application/|video/|audio/", c) if media_type: media_type = media_type[0].replace('/', '') possible_mtypes = ["application", "video", "audio"] possible_mtypes.remove(media_type) for tmptype in possible_mtypes: possible_c_variant = c.replace(media_type, tmptype) if possible_c_variant in ccaps: self.info( "Found %s in %s, good enough!", possible_c_variant, ccaps) has_variant = True return has_variant # pylint: disable=E1101 def run_iqa_test(self, reference_file_uri): """ Runs IQA test if @reference_file_path exists @test: The test to run tests on """ if not GstValidateBaseTestManager.has_feature('iqa'): self.debug('Iqa element not present, not running extra test.') return pipeline_desc = """ uridecodebin uri=%s ! iqa name=iqa do-dssim=true dssim-error-threshold=1.0 ! fakesink uridecodebin uri=%s ! iqa. """ % (reference_file_uri, self.dest_file) pipeline_desc = pipeline_desc.replace("\n", "") command = [GstValidateBaseTestManager.COMMAND] + \ shlex.split(pipeline_desc) msg = "## Running IQA tests on results of: " \ + "%s\n### Command: \n```\n%s\n```\n" % ( self.classname, ' '.join(command)) if not self.options.redirect_logs: self.out.write(msg) self.out.flush() else: printc(msg, Colors.OKBLUE) self.process = subprocess.Popen(command, stderr=self.out, stdout=self.out, env=self.proc_env, cwd=self.workdir) self.process.wait() def check_encoded_file(self): result_descriptor = GstValidateMediaDescriptor.new_from_uri( self.dest_file) if result_descriptor is None: return (Result.FAILED, "Could not discover encoded file %s" % self.dest_file) duration = result_descriptor.get_duration() orig_duration = self.media_descriptor.get_duration() tolerance = self._duration_tolerance if orig_duration - tolerance >= duration <= orig_duration + tolerance: os.remove(result_descriptor.get_path()) self.add_report( { 'type': 'report', 'issue-id': 'transcoded-file-wrong-duration', 'summary': 'The duration of a transcoded file doesn\'t match the duration of the original file', 'level': 'critical', 'detected-on': 'pipeline', 'details': "Duration of encoded file is " " wrong (%s instead of %s)" % ( utils.TIME_ARGS(duration), utils.TIME_ARGS(orig_duration)) } ) else: all_tracks_caps = result_descriptor.get_tracks_caps() container_caps = result_descriptor.get_caps() if container_caps: all_tracks_caps.insert(0, ("container", container_caps)) for track_type, caps in all_tracks_caps: ccaps = self._clean_caps(caps) wanted_caps = self.combination.get_caps(track_type) cwanted_caps = self._clean_caps(wanted_caps) if wanted_caps is None: os.remove(result_descriptor.get_path()) self.add_report( { 'type': 'report', 'issue-id': 'transcoded-file-wrong-stream-type', 'summary': 'Expected stream types during transcoding do not match expectations', 'level': 'critical', 'detected-on': 'pipeline', 'details': "Found a track of type %s in the encoded files" " but none where wanted in the encoded profile: %s" % ( track_type, self.combination) } ) return for c in cwanted_caps: if c not in ccaps: if not self._has_caps_type_variant(c, ccaps): os.remove(result_descriptor.get_path()) self.add_report( { 'type': 'report', 'issue-id': 'transcoded-file-wrong-caps', 'summary': 'Expected stream caps during transcoding do not match expectations', 'level': 'critical', 'detected-on': 'pipeline', 'details': "Field: %s (from %s) not in caps of the outputted file %s" % ( wanted_caps, c, ccaps) } ) return os.remove(result_descriptor.get_path()) class TestsManager(Loggable): """ A class responsible for managing tests. """ name = "base" loading_testsuite = None def __init__(self): Loggable.__init__(self) self.tests = [] self.unwanted_tests = [] self.options = None self.args = None self.reporter = None self.wanted_tests_patterns = [] self.blacklisted_tests_patterns = [] self._generators = [] self.check_testslist = True self.all_tests = None self.expected_issues = {} self.blacklisted_tests = [] def init(self): return True def list_tests(self): return sorted(list(self.tests), key=lambda x: x.classname) def find_tests(self, classname): regex = re.compile(classname) return [test for test in self.list_tests() if regex.findall(test.classname)] def add_expected_issues(self, expected_issues): for bugid, failure_def in list(expected_issues.items()): tests_regexes = [] for test_name_regex in failure_def['tests']: regex = re.compile(test_name_regex) tests_regexes.append(regex) for test in self.tests: if regex.findall(test.classname): if failure_def.get('allow_flakiness'): test.allow_flakiness = True self.debug("%s allow flakiness" % (test.classname)) else: for issue in failure_def['issues']: issue['bug'] = bugid test.expected_issues.extend(failure_def['issues']) self.debug("%s added expected issues from %s" % ( test.classname, bugid)) failure_def['tests'] = tests_regexes self.expected_issues.update(expected_issues) def add_test(self, test): if test.generator is None: test.classname = self.loading_testsuite + '.' + test.classname for bugid, failure_def in list(self.expected_issues.items()): failure_def['bug'] = bugid for regex in failure_def['tests']: if regex.findall(test.classname): if failure_def.get('allow_flakiness'): test.allow_flakiness = True self.debug("%s allow flakiness" % (test.classname)) else: for issue in failure_def['issues']: issue['bug'] = bugid test.expected_issues.extend(failure_def['issues']) self.debug("%s added expected issues from %s" % ( test.classname, bugid)) if self._is_test_wanted(test): if test not in self.tests: self.tests.append(test) else: if test not in self.tests: self.unwanted_tests.append(test) def get_tests(self): return self.tests def populate_testsuite(self): pass def add_generators(self, generators): """ @generators: A list of, or one single #TestsGenerator to be used to generate tests """ if not isinstance(generators, list): generators = [generators] self._generators.extend(generators) for generator in generators: generator.testsuite = self.loading_testsuite self._generators = list(set(self._generators)) def get_generators(self): return self._generators def _add_blacklist(self, blacklisted_tests): if not isinstance(blacklisted_tests, list): blacklisted_tests = [blacklisted_tests] for patterns in blacklisted_tests: for pattern in patterns.split(","): self.blacklisted_tests_patterns.append(re.compile(pattern)) def set_default_blacklist(self, default_blacklist): for test_regex, reason in default_blacklist: if not test_regex.startswith(self.loading_testsuite + '.'): test_regex = self.loading_testsuite + '.' + test_regex self.blacklisted_tests.append((test_regex, reason)) self._add_blacklist(test_regex) def add_options(self, parser): """ Add more arguments. """ pass def set_settings(self, options, args, reporter): """ Set properties after options parsing. """ self.options = options self.args = args self.reporter = reporter self.populate_testsuite() if self.options.valgrind: self.print_valgrind_bugs() if options.wanted_tests: for patterns in options.wanted_tests: for pattern in patterns.split(","): self.wanted_tests_patterns.append(re.compile(pattern)) if options.blacklisted_tests: for patterns in options.blacklisted_tests: self._add_blacklist(patterns) def check_blacklists(self): if self.options.check_bugs_status: if not check_bugs_resolution(self.blacklisted_tests): return False return True def log_blacklists(self): if self.blacklisted_tests: self.info("Currently 'hardcoded' %s blacklisted tests:" % self.name) for name, bug in self.blacklisted_tests: if not self.options.check_bugs_status: self.info(" + %s --> bug: %s" % (name, bug)) def check_expected_issues(self): if not self.expected_issues or not self.options.check_bugs_status: return True bugs_definitions = defaultdict(list) for bug, failure_def in list(self.expected_issues.items()): tests_names = '|'.join( [regex.pattern for regex in failure_def['tests']]) bugs_definitions[tests_names].extend([bug]) return check_bugs_resolution(bugs_definitions.items()) def _check_blacklisted(self, test): for pattern in self.blacklisted_tests_patterns: if pattern.findall(test.classname): self.info("%s is blacklisted by %s", test.classname, pattern) return True return False def _check_whitelisted(self, test): for pattern in self.wanted_tests_patterns: if pattern.findall(test.classname): if self._check_blacklisted(test): # If explicitly white listed that specific test # bypass the blacklisting if pattern.pattern != test.classname: return False return True return False def _check_duration(self, test): if test.duration > 0 and int(self.options.long_limit) < int(test.duration): self.info("Not activating %s as its duration (%d) is superior" " than the long limit (%d)" % (test, test.duration, int(self.options.long_limit))) return False return True def _is_test_wanted(self, test): if self._check_whitelisted(test): if not self._check_duration(test): return False return True if self._check_blacklisted(test): return False if not self._check_duration(test): return False if not self.wanted_tests_patterns: return True return False def needs_http_server(self): return False def print_valgrind_bugs(self): pass class TestsGenerator(Loggable): def __init__(self, name, test_manager, tests=[]): Loggable.__init__(self) self.name = name self.test_manager = test_manager self.testsuite = None self._tests = {} for test in tests: self._tests[test.classname] = test def generate_tests(self, *kwargs): """ Method that generates tests """ return list(self._tests.values()) def add_test(self, test): test.generator = self test.classname = self.testsuite + '.' + test.classname self._tests[test.classname] = test class GstValidateTestsGenerator(TestsGenerator): def populate_tests(self, uri_minfo_special_scenarios, scenarios): pass def generate_tests(self, uri_minfo_special_scenarios, scenarios): self.populate_tests(uri_minfo_special_scenarios, scenarios) return super(GstValidateTestsGenerator, self).generate_tests() class _TestsLauncher(Loggable): def __init__(self): Loggable.__init__(self) self.options = None self.testers = [] self.tests = [] self.reporter = None self._list_testers() self.all_tests = None self.wanted_tests_patterns = [] self.queue = queue.Queue() self.jobs = [] self.total_num_tests = 0 self.current_progress = -1 self.server = None self.httpsrv = None self.vfb_server = None def _list_app_dirs(self): app_dirs = [] env_dirs = os.environ["GST_VALIDATE_APPS_DIR"] if env_dirs is not None: for dir_ in env_dirs.split(os.pathsep): app_dirs.append(dir_) return app_dirs def _exec_app(self, app_dir, env): try: files = os.listdir(app_dir) except OSError as e: self.debug("Could not list %s: %s" % (app_dir, e)) files = [] for f in files: if f.endswith(".py"): exec(compile(open(os.path.join(app_dir, f)).read(), os.path.join(app_dir, f), 'exec'), env) def _exec_apps(self, env): app_dirs = self._list_app_dirs() for app_dir in app_dirs: self._exec_app(app_dir, env) def _list_testers(self): env = globals().copy() self._exec_apps(env) testers = [i() for i in utils.get_subclasses(TestsManager, env)] for tester in testers: if tester.init() is True: self.testers.append(tester) else: self.warning("Can not init tester: %s -- PATH is %s" % (tester.name, os.environ["PATH"])) def add_options(self, parser): for tester in self.testers: tester.add_options(parser) def _load_testsuite(self, testsuites): exceptions = [] for testsuite in testsuites: try: sys.path.insert(0, os.path.dirname(testsuite)) spec = importlib.util.spec_from_file_location(os.path.basename(testsuite).replace(".py", ""), testsuite) module = importlib.util.module_from_spec(spec) spec.loader.exec_module(module) return (module, None) except Exception as e: exceptions.append("Could not load %s: %s" % (testsuite, e)) continue finally: sys.path.remove(os.path.dirname(testsuite)) return (None, exceptions) def _load_testsuites(self): testsuites = {} for testsuite in self.options.testsuites: if testsuite.endswith('.py') and os.path.exists(testsuite): testsuite = os.path.abspath(os.path.expanduser(testsuite)) loaded_module = self._load_testsuite([testsuite]) else: possible_testsuites_paths = [os.path.join(d, testsuite + ".py") for d in self.options.testsuites_dirs] loaded_module = self._load_testsuite(possible_testsuites_paths) module = loaded_module[0] if not loaded_module[0]: if "." in testsuite: self.options.testsuites.append(testsuite.split('.')[0]) self.info("%s looks like a test name, trying that" % testsuite) self.options.wanted_tests.append(testsuite) else: if testsuite in testsuites: self.info('Testuite %s was loaded previously', testsuite) continue printc("Could not load testsuite: %s, reasons: %s" % ( testsuite, loaded_module[1]), Colors.FAIL) continue if module.__name__ in testsuites: self.info("Trying to load testsuite '%s' a second time?", module.__name__) continue testsuites[module.__name__] = module if not hasattr(module, "TEST_MANAGER"): module.TEST_MANAGER = [tester.name for tester in self.testers] elif not isinstance(module.TEST_MANAGER, list): module.TEST_MANAGER = [module.TEST_MANAGER] self.options.testsuites = list(testsuites.values()) def _setup_testsuites(self): for testsuite in self.options.testsuites: loaded = False wanted_test_manager = None # TEST_MANAGER has been set in _load_testsuites() assert hasattr(testsuite, "TEST_MANAGER") wanted_test_manager = testsuite.TEST_MANAGER if not isinstance(wanted_test_manager, list): wanted_test_manager = [wanted_test_manager] for tester in self.testers: if wanted_test_manager is not None and \ tester.name not in wanted_test_manager: continue prev_testsuite_name = TestsManager.loading_testsuite if self.options.user_paths: TestsManager.loading_testsuite = tester.name tester.register_defaults() loaded = True else: TestsManager.loading_testsuite = testsuite.__name__ if testsuite.setup_tests(tester, self.options): loaded = True if prev_testsuite_name: TestsManager.loading_testsuite = prev_testsuite_name if not loaded: printc("Could not load testsuite: %s" " maybe because of missing TestManager" % (testsuite), Colors.FAIL) return False def _load_config(self, options): printc("Loading config files is DEPRECATED" " you should use the new testsuite format now",) for tester in self.testers: tester.options = options globals()[tester.name] = tester globals()["options"] = options c__file__ = __file__ globals()["__file__"] = self.options.config exec(compile(open(self.options.config).read(), self.options.config, 'exec'), globals()) globals()["__file__"] = c__file__ def set_settings(self, options, args): if options.xunit_file: self.reporter = reporters.XunitReporter(options) else: self.reporter = reporters.Reporter(options) self.options = options wanted_testers = None for tester in self.testers: if tester.name in args: wanted_testers = tester.name if wanted_testers: testers = self.testers self.testers = [] for tester in testers: if tester.name in args: self.testers.append(tester) args.remove(tester.name) if options.config: self._load_config(options) self._load_testsuites() if not self.options.testsuites: printc("Not testsuite loaded!", Colors.FAIL) return False for tester in self.testers: tester.set_settings(options, args, self.reporter) if not options.config and options.testsuites: if self._setup_testsuites() is False: return False if self.options.check_bugs_status: printc("-> Checking bugs resolution... ", end='') for tester in self.testers: if not tester.check_blacklists(): return False tester.log_blacklists() if not tester.check_expected_issues(): return False if self.options.check_bugs_status: printc("OK", Colors.OKGREEN) if self.needs_http_server() or options.httponly is True: self.httpsrv = HTTPServer(options) self.httpsrv.start() if options.no_display: self.vfb_server = get_virual_frame_buffer_server(options) res = self.vfb_server.start() if res[0] is False: printc("Could not start virtual frame server: %s" % res[1], Colors.FAIL) return False os.environ["DISPLAY"] = self.vfb_server.display_id return True def _check_tester_has_other_testsuite(self, testsuite, tester): if tester.name != testsuite.TEST_MANAGER[0]: return True for t in self.options.testsuites: if t != testsuite: for other_testmanager in t.TEST_MANAGER: if other_testmanager == tester.name: return True return False def _check_defined_tests(self, tester, tests): if self.options.blacklisted_tests or self.options.wanted_tests: return tests_names = [test.classname for test in tests] testlist_changed = False for testsuite in self.options.testsuites: if not self._check_tester_has_other_testsuite(testsuite, tester) \ and tester.check_testslist: try: testlist_file = open(os.path.splitext(testsuite.__file__)[0] + ".testslist", 'r+') know_tests = testlist_file.read().split("\n") testlist_file.close() testlist_file = open(os.path.splitext(testsuite.__file__)[0] + ".testslist", 'w') except IOError: continue optional_out = [] for test in know_tests: if test and test.strip('~') not in tests_names: if not test.startswith('~'): testlist_changed = True printc("Test %s Not in testsuite %s anymore" % (test, testsuite.__file__), Colors.FAIL) else: optional_out.append((test, None)) tests_names = sorted([(test.classname, test) for test in tests] + optional_out, key=lambda x: x[0].strip('~')) for tname, test in tests_names: if test and test.optional: tname = '~' + tname testlist_file.write("%s\n" % (tname)) if tname and tname not in know_tests: printc("Test %s is NEW in testsuite %s" % (tname, testsuite.__file__), Colors.FAIL if self.options.fail_on_testlist_change else Colors.OKGREEN) testlist_changed = True testlist_file.close() break return testlist_changed def _split_tests(self, num_groups): groups = [[] for x in range(num_groups)] group = cycle(groups) for test in self.tests: next(group).append(test) return groups def list_tests(self): for tester in self.testers: if not self._tester_needed(tester): continue tests = tester.list_tests() if self._check_defined_tests(tester, tests) and \ self.options.fail_on_testlist_change: raise RuntimeError("Unexpected new test in testsuite.") self.tests.extend(tests) self.tests.sort(key=lambda test: test.classname) if self.options.num_parts < 1: raise RuntimeError("Tests must be split in positive number of parts.") if self.options.num_parts > len(self.tests): raise RuntimeError("Cannot have more parts then there exist tests.") if self.options.part_index < 1 or self.options.part_index > self.options.num_parts: raise RuntimeError("Part index is out of range") self.tests = self._split_tests(self.options.num_parts)[self.options.part_index - 1] return self.tests def _tester_needed(self, tester): for testsuite in self.options.testsuites: if tester.name in testsuite.TEST_MANAGER: return True return False def server_wrapper(self, ready): self.server = GstValidateTCPServer( ('localhost', 0), GstValidateListener) self.server.socket.settimeout(None) self.server.launcher = self self.serverport = self.server.socket.getsockname()[1] self.info("%s server port: %s" % (self, self.serverport)) ready.set() self.server.serve_forever(poll_interval=0.05) def _start_server(self): self.info("Starting TCP Server") ready = threading.Event() self.server_thread = threading.Thread(target=self.server_wrapper, kwargs={'ready': ready}) self.server_thread.start() ready.wait() os.environ["GST_VALIDATE_SERVER"] = "tcp://localhost:%s" % self.serverport def _stop_server(self): if self.server: self.server.shutdown() self.server_thread.join() self.server.server_close() self.server = None def test_wait(self): while True: # Check process every second for timeout try: self.queue.get(timeout=1) except queue.Empty: pass for test in self.jobs: if test.process_update(): self.jobs.remove(test) return test def tests_wait(self): try: test = self.test_wait() test.check_results() except KeyboardInterrupt: for test in self.jobs: test.kill_subprocess() raise return test def start_new_job(self, tests_left): try: test = tests_left.pop(0) except IndexError: return False test.test_start(self.queue) self.jobs.append(test) return True def print_result(self, current_test_num, test, retry_on_failure=False): if test.result != Result.PASSED and not retry_on_failure: printc(str(test), color=utils.get_color_for_result(test.result)) length = 80 progress = int(length * current_test_num // self.total_num_tests) bar = '█' * progress + '-' * (length - progress) if is_tty(): printc('\r|%s| [%s/%s]' % (bar, current_test_num, self.total_num_tests), end='\r') else: if progress > self.current_progress: self.current_progress = progress printc('|%s| [%s/%s]' % (bar, current_test_num, self.total_num_tests)) def _run_tests(self, running_tests=None, all_alone=False, retry_on_failures=False): if not self.all_tests: self.all_tests = self.list_tests() if not running_tests: running_tests = self.tests self.reporter.init_timer() alone_tests = [] tests = [] for test in running_tests: if test.is_parallel and not all_alone: tests.append(test) else: alone_tests.append(test) # use max to defend against the case where all tests are alone_tests max_num_jobs = max(min(self.options.num_jobs, len(tests)), 1) jobs_running = 0 if self.options.forever and len(tests) < self.options.num_jobs and len(tests): max_num_jobs = self.options.num_jobs copied = [] i = 0 while (len(tests) + len(copied)) < max_num_jobs: copied.append(tests[i].copy(len(copied) + 1)) i += 1 if i >= len(tests): i = 0 tests += copied self.tests += copied self.total_num_tests = len(self.all_tests) printc("\nRunning %d tests..." % self.total_num_tests, color=Colors.HEADER) # if order of test execution doesn't matter, shuffle # the order to optimize cpu usage if self.options.shuffle: random.shuffle(tests) random.shuffle(alone_tests) current_test_num = 1 to_retry = [] for num_jobs, tests in [(max_num_jobs, tests), (1, alone_tests)]: tests_left = list(tests) for i in range(num_jobs): if not self.start_new_job(tests_left): break jobs_running += 1 while jobs_running != 0: test = self.tests_wait() jobs_running -= 1 current_test_num += 1 res = test.test_end(retry_on_failure=retry_on_failures) to_report = True if res not in [Result.PASSED, Result.SKIPPED, Result.KNOWN_ERROR]: if self.options.forever or self.options.fatal_error: self.print_result(current_test_num - 1, test, retry_on_failure=retry_on_failures) self.reporter.after_test(test) return False if retry_on_failures: if not self.options.redirect_logs and test.allow_flakiness: test.copy_logfiles() printc(test) to_retry.append(test) # Not adding to final report if flakiness is tolerated to_report = not test.allow_flakiness self.print_result(current_test_num - 1, test, retry_on_failure=retry_on_failures) if to_report: self.reporter.after_test(test) if retry_on_failures: test.clean() if self.start_new_job(tests_left): jobs_running += 1 if to_retry: printc("--> Rerunning the following tests to see if they are flaky:", Colors.WARNING) for test in to_retry: printc(' * %s' % test.classname) printc('') return self._run_tests(to_retry, all_alone=True, retry_on_failures=False) return True def clean_tests(self, stop_server=False): for test in self.tests: test.clean() if stop_server: self._stop_server() def run_tests(self): r = 0 try: self._start_server() if self.options.forever: r = 1 while True: printc("-> Iteration %d" % r, end='\r') if not self._run_tests(): break r += 1 self.clean_tests() msg = "-> Iteration %d... %sOK%s" % (r, Colors.OKGREEN, Colors.ENDC) printc(msg, end="\r") return False elif self.options.n_runs: res = True for r in range(self.options.n_runs): printc("-> Iteration %d" % r, end='\r') if not self._run_tests(): res = False printc("ERROR", Colors.FAIL, end="\r") else: printc("OK", Colors.OKGREEN, end="\r") self.clean_tests() return res else: return self._run_tests(retry_on_failures=self.options.retry_on_failures) finally: if self.options.forever: printc("\n-> Ran %d times" % r) if self.httpsrv: self.httpsrv.stop() if self.vfb_server: self.vfb_server.stop() self.clean_tests(True) def final_report(self): return self.reporter.final_report() def needs_http_server(self): for tester in self.testers: if tester.needs_http_server(): return True class NamedDic(object): def __init__(self, props): if props: for name, value in props.items(): setattr(self, name, value) class Scenario(object): def __init__(self, name, props, path=None): self.name = name self.path = path for prop, value in props: setattr(self, prop.replace("-", "_"), value) def get_execution_name(self): if self.path is not None: return self.path else: return self.name def seeks(self): if hasattr(self, "seek"): return bool(self.seek) return False def needs_clock_sync(self): if hasattr(self, "need_clock_sync"): return bool(self.need_clock_sync) return False def needs_live_content(self): # Scenarios that can only be used on live content if hasattr(self, "live_content_required"): return bool(self.live_content_required) return False def compatible_with_live_content(self): # if a live content is required it's implicitly compatible with # live content if self.needs_live_content(): return True if hasattr(self, "live_content_compatible"): return bool(self.live_content_compatible) return False def get_min_media_duration(self): if hasattr(self, "min_media_duration"): return float(self.min_media_duration) return 0 def does_reverse_playback(self): if hasattr(self, "reverse_playback"): return bool(self.reverse_playback) return False def get_duration(self): try: return float(getattr(self, "duration")) except AttributeError: return 0 def get_min_tracks(self, track_type): try: return int(getattr(self, "min_%s_track" % track_type)) except AttributeError: return 0 def __repr__(self): return "" % self.name class ScenarioManager(Loggable): _instance = None system_scenarios = [] special_scenarios = {} FILE_EXTENSION = "scenario" def __new__(cls, *args, **kwargs): if not cls._instance: cls._instance = super(ScenarioManager, cls).__new__( cls, *args, **kwargs) cls._instance.config = None cls._instance.discovered = False Loggable.__init__(cls._instance) return cls._instance def find_special_scenarios(self, mfile): scenarios = [] mfile_bname = os.path.basename(mfile) for f in os.listdir(os.path.dirname(mfile)): if re.findall("%s\..*\.%s$" % (re.escape(mfile_bname), self.FILE_EXTENSION), f): scenarios.append(os.path.join(os.path.dirname(mfile), f)) if scenarios: scenarios = self.discover_scenarios(scenarios, mfile) return scenarios def discover_scenarios(self, scenario_paths=[], mfile=None): """ Discover scenarios specified in scenario_paths or the default ones if nothing specified there """ scenarios = [] scenario_defs = os.path.join(self.config.main_dir, "scenarios.def") log_path = os.path.join(self.config.logsdir, "scenarios_discovery.log") logs = open(log_path, 'w') try: command = [GstValidateBaseTestManager.COMMAND, "--scenarios-defs-output-file", scenario_defs] command.extend(scenario_paths) subprocess.check_call(command, stdout=logs, stderr=logs) except subprocess.CalledProcessError as e: self.error(e) self.error('See %s' % log_path) pass config = configparser.RawConfigParser() f = open(scenario_defs) config.readfp(f) for section in config.sections(): name = None if scenario_paths: for scenario_path in scenario_paths: if section == scenario_path: if mfile is None: name = os.path.basename(section).replace("." + self.FILE_EXTENSION, "") path = scenario_path else: # The real name of the scenario is: # filename.REALNAME.scenario name = scenario_path.replace(mfile + ".", "").replace( "." + self.FILE_EXTENSION, "") path = scenario_path break else: name = os.path.basename(section).replace("." + self.FILE_EXTENSION, "") path = None assert name props = config.items(section) scenario = Scenario(name, props, path) if scenario_paths: self.special_scenarios[path] = scenario scenarios.append(scenario) if not scenario_paths: self.discovered = True self.system_scenarios.extend(scenarios) return scenarios def get_scenario(self, name): if name is not None and os.path.isabs(name) and name.endswith(self.FILE_EXTENSION): scenario = self.special_scenarios.get(name) if scenario: return scenario scenarios = self.discover_scenarios([name]) self.special_scenarios[name] = scenarios if scenarios: return scenarios[0] if self.discovered is False: self.discover_scenarios() if name is None: return self.system_scenarios try: return [scenario for scenario in self.system_scenarios if scenario.name == name][0] except IndexError: self.warning("Scenario: %s not found" % name) return None class GstValidateBaseTestManager(TestsManager): scenarios_manager = ScenarioManager() features_cache = {} def __init__(self): super(GstValidateBaseTestManager, self).__init__() self._scenarios = [] self._encoding_formats = [] @classmethod def update_commands(cls, extra_paths=None): for varname, cmd in {'': 'gst-validate', 'TRANSCODING_': 'gst-validate-transcoding', 'MEDIA_CHECK_': 'gst-validate-media-check', 'RTSP_SERVER_': 'gst-validate-rtsp-server', 'INSPECT_': 'gst-inspect'}.items(): setattr(cls, varname + 'COMMAND', which(cmd + '-1.0', extra_paths)) @classmethod def has_feature(cls, featurename): try: return cls.features_cache[featurename] except KeyError: pass try: subprocess.check_output([cls.INSPECT_COMMAND, featurename]) res = True except subprocess.CalledProcessError: res = False cls.features_cache[featurename] = res return res def add_scenarios(self, scenarios): """ @scenarios A list or a unic scenario name(s) to be run on the tests. They are just the default scenarios, and then depending on the TestsGenerator to be used you can have more fine grained control on what to be run on each series of tests. """ if isinstance(scenarios, list): self._scenarios.extend(scenarios) else: self._scenarios.append(scenarios) self._scenarios = list(set(self._scenarios)) def set_scenarios(self, scenarios): """ Override the scenarios """ self._scenarios = [] self.add_scenarios(scenarios) def get_scenarios(self): return self._scenarios def add_encoding_formats(self, encoding_formats): """ :param encoding_formats: A list or one single #MediaFormatCombinations describing wanted output formats for transcoding test. They are just the default encoding formats, and then depending on the TestsGenerator to be used you can have more fine grained control on what to be run on each series of tests. """ if isinstance(encoding_formats, list): self._encoding_formats.extend(encoding_formats) else: self._encoding_formats.append(encoding_formats) self._encoding_formats = list(set(self._encoding_formats)) def get_encoding_formats(self): return self._encoding_formats GstValidateBaseTestManager.update_commands() class MediaDescriptor(Loggable): def __init__(self): Loggable.__init__(self) def get_path(self): raise NotImplemented def has_frames(self): return False def get_framerate(self): for ttype, caps_str in self.get_tracks_caps(): if ttype != "video": continue caps = utils.GstCaps.new_from_str(caps_str) if not caps: self.warning("Could not create caps for %s" % caps_str) continue framerate = caps[0].get("framerate") if framerate: return framerate return Fraction(0, 1) def get_media_filepath(self): raise NotImplemented def skip_parsers(self): return False def get_caps(self): raise NotImplemented def get_uri(self): raise NotImplemented def get_duration(self): raise NotImplemented def get_protocol(self): raise NotImplemented def is_seekable(self): raise NotImplemented def is_live(self): raise NotImplemented def is_image(self): raise NotImplemented def get_num_tracks(self, track_type): raise NotImplemented def get_tracks_caps(self): return [] def can_play_reverse(self): raise NotImplemented def prerrols(self): return True def is_compatible(self, scenario): if scenario is None: return True if scenario.seeks() and (not self.is_seekable() or self.is_image()): self.debug("Do not run %s as %s does not support seeking", scenario, self.get_uri()) return False if self.is_image() and scenario.needs_clock_sync(): self.debug("Do not run %s as %s is an image", scenario, self.get_uri()) return False if not self.can_play_reverse() and scenario.does_reverse_playback(): return False if not self.is_live() and scenario.needs_live_content(): self.debug("Do not run %s as %s is not a live content", scenario, self.get_uri()) return False if self.is_live() and not scenario.compatible_with_live_content(): self.debug("Do not run %s as %s is a live content", scenario, self.get_uri()) return False if not self.prerrols() and getattr(scenario, 'needs_preroll', False): return False if self.get_duration() and self.get_duration() / GST_SECOND < scenario.get_min_media_duration(): self.debug( "Do not run %s as %s is too short (%i < min media duation : %i", scenario, self.get_uri(), self.get_duration() / GST_SECOND, scenario.get_min_media_duration()) return False for track_type in ['audio', 'subtitle', 'video']: if self.get_num_tracks(track_type) < scenario.get_min_tracks(track_type): self.debug("%s -- %s | At least %s %s track needed < %s" % (scenario, self.get_uri(), track_type, scenario.get_min_tracks(track_type), self.get_num_tracks(track_type))) return False return True class GstValidateMediaDescriptor(MediaDescriptor): # Some extension file for discovering results SKIPPED_MEDIA_INFO_EXT = "media_info.skipped" MEDIA_INFO_EXT = "media_info" PUSH_MEDIA_INFO_EXT = "media_info.push" STREAM_INFO_EXT = "stream_info" __all_descriptors = {} @classmethod def get(cls, xml_path): if xml_path in cls.__all_descriptors: return cls.__all_descriptors[xml_path] return GstValidateMediaDescriptor(xml_path) def __init__(self, xml_path): super(GstValidateMediaDescriptor, self).__init__() self._media_file_path = None main_descriptor = self.__all_descriptors.get(xml_path) if main_descriptor: self._copy_data_from_main(main_descriptor) else: self.__all_descriptors[xml_path] = self self._xml_path = xml_path try: media_xml = ET.parse(xml_path).getroot() except xml.etree.ElementTree.ParseError: printc("Could not parse %s" % xml_path, Colors.FAIL) raise self._extract_data(media_xml) self.set_protocol(urllib.parse.urlparse(self.get_uri()).scheme) def skip_parsers(self): return self._skip_parsers def has_frames(self): return self._has_frames def _copy_data_from_main(self, main_descriptor): for attr in main_descriptor.__dict__.keys(): setattr(self, attr, getattr(main_descriptor, attr)) def _extract_data(self, media_xml): # Extract the information we need from the xml self._caps = media_xml.findall("streams")[0].attrib["caps"] self._track_caps = [] try: streams = media_xml.findall("streams")[0].findall("stream") except IndexError: pass else: for stream in streams: self._track_caps.append( (stream.attrib["type"], stream.attrib["caps"])) self._skip_parsers = bool(int(media_xml.attrib.get('skip-parsers', 0))) self._has_frames = bool(int(media_xml.attrib["frame-detection"])) self._duration = int(media_xml.attrib["duration"]) self._uri = media_xml.attrib["uri"] parsed_uri = urllib.parse.urlparse(self.get_uri()) self._protocol = media_xml.get("protocol", parsed_uri.scheme) if parsed_uri.scheme == "file": if not os.path.exists(parsed_uri.path) and os.path.exists(self.get_media_filepath()): self._uri = "file://" + self.get_media_filepath() elif parsed_uri.scheme == Protocols.IMAGESEQUENCE: self._media_file_path = os.path.join(os.path.dirname(self.__cleanup_media_info_ext()), os.path.basename(parsed_uri.path)) self._uri = parsed_uri._replace(path=os.path.join(os.path.dirname(self.__cleanup_media_info_ext()), os.path.basename(self._media_file_path))).geturl() self._is_seekable = media_xml.attrib["seekable"].lower() == "true" self._is_live = media_xml.get("live", "false").lower() == "true" self._is_image = False for stream in media_xml.findall("streams")[0].findall("stream"): if stream.attrib["type"] == "image": self._is_image = True self._track_types = [] for stream in media_xml.findall("streams")[0].findall("stream"): self._track_types.append(stream.attrib["type"]) def __cleanup_media_info_ext(self): for ext in [self.MEDIA_INFO_EXT, self.PUSH_MEDIA_INFO_EXT, self.STREAM_INFO_EXT, self.SKIPPED_MEDIA_INFO_EXT, ]: if self._xml_path.endswith(ext): return self._xml_path[:len(self._xml_path) - (len(ext) + 1)] assert "Not reached" == None # noqa @staticmethod def new_from_uri(uri, verbose=False, include_frames=False, is_push=False, is_skipped=False): """ include_frames = 0 # Never include_frames = 1 # always include_frames = 2 # if previous file included them """ media_path = utils.url2path(uri) ext = GstValidateMediaDescriptor.MEDIA_INFO_EXT if is_push: ext = GstValidateMediaDescriptor.PUSH_MEDIA_INFO_EXT elif is_skipped: ext = GstValidateMediaDescriptor.SKIPPED_MEDIA_INFO_EXT descriptor_path = "%s.%s" % (media_path, ext) args = GstValidateBaseTestManager.MEDIA_CHECK_COMMAND.split(" ") if include_frames == 2: try: media_xml = ET.parse(descriptor_path).getroot() prev_uri = urllib.parse.urlparse(media_xml.attrib['uri']) if prev_uri.scheme == Protocols.IMAGESEQUENCE: parsed_uri = urllib.parse.urlparse(uri) uri = prev_uri._replace(path=os.path.join(os.path.dirname(parsed_uri.path), os.path.basename(prev_uri.path))).geturl() include_frames = bool(int(media_xml.attrib["frame-detection"])) if bool(int(media_xml.attrib.get("skip-parsers", 0))): args.append("--skip-parsers") except FileNotFoundError: pass else: include_frames = bool(include_frames) args.append(uri) args.extend(["--output-file", descriptor_path]) if include_frames: args.extend(["--full"]) if verbose: printc("Generating media info for %s\n" " Command: '%s'" % (media_path, ' '.join(args)), Colors.OKBLUE) try: subprocess.check_output(args, stderr=open(os.devnull)) except subprocess.CalledProcessError as e: if verbose: printc("Result: Failed", Colors.FAIL) else: loggable.warning("GstValidateMediaDescriptor", "Exception: %s" % e) return None if verbose: printc("Result: Passed", Colors.OKGREEN) try: return GstValidateMediaDescriptor(descriptor_path) except (IOError, xml.etree.ElementTree.ParseError): return None def get_path(self): return self._xml_path def need_clock_sync(self): return Protocols.needs_clock_sync(self.get_protocol()) def get_media_filepath(self): if self._media_file_path is None: self._media_file_path = self.__cleanup_media_info_ext() return self._media_file_path def get_caps(self): return self._caps def get_tracks_caps(self): return self._track_caps def get_uri(self): return self._uri def get_duration(self): return self._duration def set_protocol(self, protocol): if self._xml_path.endswith(GstValidateMediaDescriptor.PUSH_MEDIA_INFO_EXT): self._protocol = Protocols.PUSHFILE else: self._protocol = protocol def get_protocol(self): return self._protocol def is_seekable(self): return self._is_seekable def is_live(self): return self._is_live def can_play_reverse(self): return True def is_image(self): return self._is_image def get_num_tracks(self, track_type): n = 0 for t in self._track_types: if t == track_type: n += 1 return n def get_clean_name(self): name = os.path.basename(self.get_path()) regex = '|'.join(['\\.%s$' % ext for ext in [self.SKIPPED_MEDIA_INFO_EXT, self.MEDIA_INFO_EXT, self.PUSH_MEDIA_INFO_EXT, self.STREAM_INFO_EXT]]) name = re.sub(regex, "", name) return name.replace('.', "_") class MediaFormatCombination(object): FORMATS = {"aac": "audio/mpeg,mpegversion=4", # Audio "ac3": "audio/x-ac3", "vorbis": "audio/x-vorbis", "mp3": "audio/mpeg,mpegversion=1,layer=3", "opus": "audio/x-opus", "rawaudio": "audio/x-raw", # Video "h264": "video/x-h264", "h265": "video/x-h265", "vp8": "video/x-vp8", "vp9": "video/x-vp9", "theora": "video/x-theora", "prores": "video/x-prores", "jpeg": "image/jpeg", # Containers "webm": "video/webm", "ogg": "application/ogg", "mkv": "video/x-matroska", "mp4": "video/quicktime,variant=iso;", "quicktime": "video/quicktime;"} def __str__(self): return "%s and %s in %s" % (self.audio, self.video, self.container) def __init__(self, container, audio, video, duration_factor=1, video_restriction=None, audio_restriction=None): """ Describes a media format to be used for transcoding tests. :param container: A string defining the container format to be used, must bin in self.FORMATS :param audio: A string defining the audio format to be used, must bin in self.FORMATS :param video: A string defining the video format to be used, must bin in self.FORMATS """ self.container = container self.audio = audio self.video = video self.video_restriction = video_restriction self.audio_restriction = audio_restriction def get_caps(self, track_type): try: return self.FORMATS[self.__dict__[track_type]] except KeyError: return None def get_audio_caps(self): return self.get_caps("audio") def get_video_caps(self): return self.get_caps("video") def get_muxer_caps(self): return self.get_caps("container")