gecko-dev/testing/xpcshell/runxpcshelltests.py
Greg Mierzwinski 5537afe36b Bug 1278649 - Add code coverage to xpcshell tests. r=chmanchester
This adds the ability to use the command line flag '--jscov-dir-prefix' to collect javascript code coverage from xpcshell tests and output it into the specified directory as a JSON file.

MozReview-Commit-ID: 3MZm73SNChL

--HG--
extra : transplant_source : c%9B%DE%A93w%E7%11%89%BE-%E8%D9%18%BC%12z%0A%0E%E4
2016-06-08 09:41:04 -04:00

1493 lines
59 KiB
Python
Executable File

#!/usr/bin/env python
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import copy
import importlib
import json
import math
import mozdebug
import mozinfo
import os
import os.path
import random
import re
import shutil
import signal
import sys
import tempfile
import time
import traceback
from collections import deque, namedtuple
from distutils import dir_util
from multiprocessing import cpu_count
from argparse import ArgumentParser
from subprocess import Popen, PIPE, STDOUT
from tempfile import mkdtemp, gettempdir
from threading import (
Timer,
Thread,
Event,
current_thread,
)
try:
import psutil
HAVE_PSUTIL = True
except Exception:
HAVE_PSUTIL = False
from automation import Automation
from xpcshellcommandline import parser_desktop
SCRIPT_DIR = os.path.abspath(os.path.realpath(os.path.dirname(__file__)))
HARNESS_TIMEOUT = 5 * 60
# benchmarking on tbpl revealed that this works best for now
NUM_THREADS = int(cpu_count() * 4)
EXPECTED_LOG_ACTIONS = set([
"test_status",
"log",
])
# --------------------------------------------------------------
# TODO: this is a hack for mozbase without virtualenv, remove with bug 849900
#
here = os.path.dirname(__file__)
mozbase = os.path.realpath(os.path.join(os.path.dirname(here), 'mozbase'))
if os.path.isdir(mozbase):
for package in os.listdir(mozbase):
sys.path.append(os.path.join(mozbase, package))
from manifestparser import TestManifest
from manifestparser.filters import chunk_by_slice, tags, pathprefix
from mozlog import commandline
import mozcrash
import mozinfo
from mozrunner.utils import get_stack_fixer_function
# --------------------------------------------------------------
# TODO: perhaps this should be in a more generally shared location?
# This regex matches all of the C0 and C1 control characters
# (U+0000 through U+001F; U+007F; U+0080 through U+009F),
# except TAB (U+0009), CR (U+000D), LF (U+000A) and backslash (U+005C).
# A raw string is deliberately not used.
_cleanup_encoding_re = re.compile(u'[\x00-\x08\x0b\x0c\x0e-\x1f\x7f-\x9f\\\\]')
def _cleanup_encoding_repl(m):
c = m.group(0)
return '\\\\' if c == '\\' else '\\x{0:02X}'.format(ord(c))
def cleanup_encoding(s):
"""S is either a byte or unicode string. Either way it may
contain control characters, unpaired surrogates, reserved code
points, etc. If it is a byte string, it is assumed to be
UTF-8, but it may not be *correct* UTF-8. Return a
sanitized unicode object."""
if not isinstance(s, basestring):
return unicode(s)
if not isinstance(s, unicode):
s = s.decode('utf-8', 'replace')
# Replace all C0 and C1 control characters with \xNN escapes.
return _cleanup_encoding_re.sub(_cleanup_encoding_repl, s)
""" Control-C handling """
gotSIGINT = False
def markGotSIGINT(signum, stackFrame):
global gotSIGINT
gotSIGINT = True
class XPCShellTestThread(Thread):
def __init__(self, test_object, event, cleanup_dir_list, retry=True,
app_dir_key=None, interactive=False,
verbose=False, pStdout=None, pStderr=None, keep_going=False,
log=None, usingTSan=False, **kwargs):
Thread.__init__(self)
self.daemon = True
self.test_object = test_object
self.cleanup_dir_list = cleanup_dir_list
self.retry = retry
self.appPath = kwargs.get('appPath')
self.xrePath = kwargs.get('xrePath')
self.testingModulesDir = kwargs.get('testingModulesDir')
self.debuggerInfo = kwargs.get('debuggerInfo')
self.jsDebuggerInfo = kwargs.get('jsDebuggerInfo')
self.pluginsPath = kwargs.get('pluginsPath')
self.httpdManifest = kwargs.get('httpdManifest')
self.httpdJSPath = kwargs.get('httpdJSPath')
self.headJSPath = kwargs.get('headJSPath')
self.testharnessdir = kwargs.get('testharnessdir')
self.profileName = kwargs.get('profileName')
self.singleFile = kwargs.get('singleFile')
self.env = copy.deepcopy(kwargs.get('env'))
self.symbolsPath = kwargs.get('symbolsPath')
self.logfiles = kwargs.get('logfiles')
self.xpcshell = kwargs.get('xpcshell')
self.xpcsRunArgs = kwargs.get('xpcsRunArgs')
self.failureManifest = kwargs.get('failureManifest')
self.jscovdir = kwargs.get('jscovdir')
self.stack_fixer_function = kwargs.get('stack_fixer_function')
self._rootTempDir = kwargs.get('tempDir')
self.app_dir_key = app_dir_key
self.interactive = interactive
self.verbose = verbose
self.pStdout = pStdout
self.pStderr = pStderr
self.keep_going = keep_going
self.log = log
self.usingTSan = usingTSan
# only one of these will be set to 1. adding them to the totals in
# the harness
self.passCount = 0
self.todoCount = 0
self.failCount = 0
# Context for output processing
self.output_lines = []
self.has_failure_output = False
self.saw_proc_start = False
self.saw_proc_end = False
self.complete_command = None
self.harness_timeout = kwargs.get('harness_timeout')
self.timedout = False
# event from main thread to signal work done
self.event = event
self.done = False # explicitly set flag so we don't rely on thread.isAlive
def run(self):
try:
self.run_test()
except Exception as e:
self.exception = e
self.traceback = traceback.format_exc()
else:
self.exception = None
self.traceback = None
if self.retry:
self.log.info("%s failed or timed out, will retry." %
self.test_object['id'])
self.done = True
self.event.set()
def kill(self, proc):
"""
Simple wrapper to kill a process.
On a remote system, this is overloaded to handle remote process communication.
"""
return proc.kill()
def removeDir(self, dirname):
"""
Simple wrapper to remove (recursively) a given directory.
On a remote system, we need to overload this to work on the remote filesystem.
"""
shutil.rmtree(dirname)
def poll(self, proc):
"""
Simple wrapper to check if a process has terminated.
On a remote system, this is overloaded to handle remote process communication.
"""
return proc.poll()
def createLogFile(self, test_file, stdout):
"""
For a given test file and stdout buffer, create a log file.
On a remote system we have to fix the test name since it can contain directories.
"""
with open(test_file + ".log", "w") as f:
f.write(stdout)
def getReturnCode(self, proc):
"""
Simple wrapper to get the return code for a given process.
On a remote system we overload this to work with the remote process management.
"""
return proc.returncode
def communicate(self, proc):
"""
Simple wrapper to communicate with a process.
On a remote system, this is overloaded to handle remote process communication.
"""
# Processing of incremental output put here to
# sidestep issues on remote platforms, where what we know
# as proc is a file pulled off of a device.
if proc.stdout:
while True:
line = proc.stdout.readline()
if not line:
break
self.process_line(line)
if self.saw_proc_start and not self.saw_proc_end:
self.has_failure_output = True
return proc.communicate()
def launchProcess(self, cmd, stdout, stderr, env, cwd, timeout=None):
"""
Simple wrapper to launch a process.
On a remote system, this is more complex and we need to overload this function.
"""
# timeout is needed by remote and b2g xpcshell to extend the
# devicemanager.shell() timeout. It is not used in this function.
if HAVE_PSUTIL:
popen_func = psutil.Popen
else:
popen_func = Popen
proc = popen_func(cmd, stdout=stdout, stderr=stderr,
env=env, cwd=cwd)
return proc
def checkForCrashes(self,
dump_directory,
symbols_path,
test_name=None):
"""
Simple wrapper to check for crashes.
On a remote system, this is more complex and we need to overload this function.
"""
return mozcrash.check_for_crashes(dump_directory, symbols_path, test_name=test_name)
def logCommand(self, name, completeCmd, testdir):
self.log.info("%s | full command: %r" % (name, completeCmd))
self.log.info("%s | current directory: %r" % (name, testdir))
# Show only those environment variables that are changed from
# the ambient environment.
changedEnv = (set("%s=%s" % i for i in self.env.iteritems())
- set("%s=%s" % i for i in os.environ.iteritems()))
self.log.info("%s | environment: %s" % (name, list(changedEnv)))
def killTimeout(self, proc):
Automation().killAndGetStackNoScreenshot(proc.pid,
self.appPath,
self.debuggerInfo)
def postCheck(self, proc):
"""Checks for a still-running test process, kills it and fails the test if found.
We can sometimes get here before the process has terminated, which would
cause removeDir() to fail - so check for the process and kill it if needed.
"""
if proc and self.poll(proc) is None:
self.kill(proc)
message = "%s | Process still running after test!" % self.test_object['id']
if self.retry:
self.log.info(message)
self.log_full_output(self.output_lines)
return
self.log.error(message)
self.log_full_output(self.output_lines)
self.failCount = 1
def testTimeout(self, proc):
if self.test_object['expected'] == 'pass':
expected = 'PASS'
else:
expected = 'FAIL'
if self.retry:
self.log.test_end(self.test_object['id'], 'TIMEOUT',
expected='TIMEOUT',
message="Test timed out")
else:
self.failCount = 1
self.log.test_end(self.test_object['id'], 'TIMEOUT',
expected=expected,
message="Test timed out")
self.log_full_output(self.output_lines)
self.done = True
self.timedout = True
self.killTimeout(proc)
self.log.info("xpcshell return code: %s" % self.getReturnCode(proc))
self.postCheck(proc)
self.clean_temp_dirs(self.test_object['path'])
def buildCmdTestFile(self, name):
"""
Build the command line arguments for the test file.
On a remote system, this may be overloaded to use a remote path structure.
"""
return ['-e', 'const _TEST_FILE = ["%s"];' %
name.replace('\\', '/')]
def setupTempDir(self):
tempDir = mkdtemp(prefix='xpc-other-', dir=self._rootTempDir)
self.env["XPCSHELL_TEST_TEMP_DIR"] = tempDir
if self.interactive:
self.log.info("temp dir is %s" % tempDir)
return tempDir
def setupPluginsDir(self):
if not os.path.isdir(self.pluginsPath):
return None
pluginsDir = mkdtemp(prefix='xpc-plugins-', dir=self._rootTempDir)
# shutil.copytree requires dst to not exist. Deleting the tempdir
# would make a race condition possible in a concurrent environment,
# so we are using dir_utils.copy_tree which accepts an existing dst
dir_util.copy_tree(self.pluginsPath, pluginsDir)
if self.interactive:
self.log.info("plugins dir is %s" % pluginsDir)
return pluginsDir
def setupProfileDir(self):
"""
Create a temporary folder for the profile and set appropriate environment variables.
When running check-interactive and check-one, the directory is well-defined and
retained for inspection once the tests complete.
On a remote system, this may be overloaded to use a remote path structure.
"""
if self.interactive or self.singleFile:
profileDir = os.path.join(gettempdir(), self.profileName, "xpcshellprofile")
try:
# This could be left over from previous runs
self.removeDir(profileDir)
except:
pass
os.makedirs(profileDir)
else:
profileDir = mkdtemp(prefix='xpc-profile-', dir=self._rootTempDir)
self.env["XPCSHELL_TEST_PROFILE_DIR"] = profileDir
if self.interactive or self.singleFile:
self.log.info("profile dir is %s" % profileDir)
return profileDir
def setupMozinfoJS(self):
mozInfoJSPath = os.path.join(self.profileDir, 'mozinfo.json')
mozInfoJSPath = mozInfoJSPath.replace('\\', '\\\\')
mozinfo.output_to_file(mozInfoJSPath)
return mozInfoJSPath
def buildCmdHead(self, headfiles, tailfiles, xpcscmd):
"""
Build the command line arguments for the head and tail files,
along with the address of the webserver which some tests require.
On a remote system, this is overloaded to resolve quoting issues over a secondary command line.
"""
cmdH = ", ".join(['"' + f.replace('\\', '/') + '"'
for f in headfiles])
cmdT = ", ".join(['"' + f.replace('\\', '/') + '"'
for f in tailfiles])
dbgport = 0 if self.jsDebuggerInfo is None else self.jsDebuggerInfo.port
return xpcscmd + \
['-e', 'const _SERVER_ADDR = "localhost"',
'-e', 'const _HEAD_FILES = [%s];' % cmdH,
'-e', 'const _TAIL_FILES = [%s];' % cmdT,
'-e', 'const _JSDEBUGGER_PORT = %d;' % dbgport,
]
def getHeadAndTailFiles(self, test):
"""Obtain lists of head- and tail files. Returns a tuple
containing a list of head files and a list of tail files.
"""
def sanitize_list(s, kind):
for f in s.strip().split(' '):
f = f.strip()
if len(f) < 1:
continue
path = os.path.normpath(os.path.join(test['here'], f))
if not os.path.exists(path):
raise Exception('%s file does not exist: %s' % (kind, path))
if not os.path.isfile(path):
raise Exception('%s file is not a file: %s' % (kind, path))
yield path
headlist = test.get('head', '')
taillist = test.get('tail', '')
return (list(sanitize_list(headlist, 'head')),
list(sanitize_list(taillist, 'tail')))
def buildXpcsCmd(self):
"""
Load the root head.js file as the first file in our test path, before other head, test, and tail files.
On a remote system, we overload this to add additional command line arguments, so this gets overloaded.
"""
# - NOTE: if you rename/add any of the constants set here, update
# do_load_child_test_harness() in head.js
if not self.appPath:
self.appPath = self.xrePath
self.xpcsCmd = [
self.xpcshell,
'-g', self.xrePath,
'-a', self.appPath,
'-r', self.httpdManifest,
'-m',
'-s',
'-e', 'const _HEAD_JS_PATH = "%s";' % self.headJSPath,
'-e', 'const _MOZINFO_JS_PATH = "%s";' % self.mozInfoJSPath,
]
if self.testingModulesDir:
# Escape backslashes in string literal.
sanitized = self.testingModulesDir.replace('\\', '\\\\')
self.xpcsCmd.extend([
'-e',
'const _TESTING_MODULES_DIR = "%s";' % sanitized
])
self.xpcsCmd.extend(['-f', os.path.join(self.testharnessdir, 'head.js')])
if self.debuggerInfo:
self.xpcsCmd = [self.debuggerInfo.path] + self.debuggerInfo.args + self.xpcsCmd
# Automation doesn't specify a pluginsPath and xpcshell defaults to
# $APPDIR/plugins. We do the same here so we can carry on with
# setting up every test with its own plugins directory.
if not self.pluginsPath:
self.pluginsPath = os.path.join(self.appPath, 'plugins')
self.pluginsDir = self.setupPluginsDir()
if self.pluginsDir:
self.xpcsCmd.extend(['-p', self.pluginsDir])
def cleanupDir(self, directory, name):
if not os.path.exists(directory):
return
TRY_LIMIT = 25 # up to TRY_LIMIT attempts (one every second), because
# the Windows filesystem is slow to react to the changes
try_count = 0
while try_count < TRY_LIMIT:
try:
self.removeDir(directory)
except OSError:
self.log.info("Failed to remove directory: %s. Waiting." % directory)
# We suspect the filesystem may still be making changes. Wait a
# little bit and try again.
time.sleep(1)
try_count += 1
else:
# removed fine
return
# we try cleaning up again later at the end of the run
self.cleanup_dir_list.append(directory)
def clean_temp_dirs(self, name):
# We don't want to delete the profile when running check-interactive
# or check-one.
if self.profileDir and not self.interactive and not self.singleFile:
self.cleanupDir(self.profileDir, name)
self.cleanupDir(self.tempDir, name)
if self.pluginsDir:
self.cleanupDir(self.pluginsDir, name)
def parse_output(self, output):
"""Parses process output for structured messages and saves output as it is
read. Sets self.has_failure_output in case of evidence of a failure"""
for line_string in output.splitlines():
self.process_line(line_string)
if self.saw_proc_start and not self.saw_proc_end:
self.has_failure_output = True
def fix_text_output(self, line):
line = cleanup_encoding(line)
if self.stack_fixer_function is not None:
return self.stack_fixer_function(line)
return line
def log_line(self, line):
"""Log a line of output (either a parser json object or text output from
the test process"""
if isinstance(line, basestring):
line = self.fix_text_output(line).rstrip('\r\n')
self.log.process_output(self.proc_ident,
line,
command=self.complete_command)
else:
if 'message' in line:
line['message'] = self.fix_text_output(line['message'])
if 'xpcshell_process' in line:
line['thread'] = ' '.join([current_thread().name, line['xpcshell_process']])
else:
line['thread'] = current_thread().name
self.log.log_raw(line)
def log_full_output(self, output):
"""Log output any buffered output from the test process"""
if not output:
return
self.log.info(">>>>>>>")
for line in output:
self.log_line(line)
self.log.info("<<<<<<<")
def report_message(self, message):
"""Stores or logs a json log message in mozlog format."""
if self.verbose:
self.log_line(message)
else:
# Tests eligible to retry will never dump their buffered output.
if not self.retry:
self.output_lines.append(message)
def process_line(self, line_string):
""" Parses a single line of output, determining its significance and
reporting a message.
"""
if not line_string.strip():
return
try:
line_object = json.loads(line_string)
if not isinstance(line_object, dict):
self.report_message(line_string)
return
except ValueError:
self.report_message(line_string)
return
if ('action' not in line_object or
line_object['action'] not in EXPECTED_LOG_ACTIONS):
# The test process output JSON.
self.report_message(line_string)
return
action = line_object['action']
self.has_failure_output = (self.has_failure_output or
'expected' in line_object or
action == 'log' and line_object['level'] == 'ERROR')
self.report_message(line_object)
if action == 'log' and line_object['message'] == 'CHILD-TEST-STARTED':
self.saw_proc_start = True
elif action == 'log' and line_object['message'] == 'CHILD-TEST-COMPLETED':
self.saw_proc_end = True
def run_test(self):
"""Run an individual xpcshell test."""
global gotSIGINT
name = self.test_object['id']
path = self.test_object['path']
# Check for skipped tests
if 'disabled' in self.test_object:
message = self.test_object['disabled']
if not message:
message = 'disabled from xpcshell manifest'
self.log.test_start(name)
self.log.test_end(name, 'SKIP', message=message)
self.retry = False
self.keep_going = True
return
# Check for known-fail tests
expect_pass = self.test_object['expected'] == 'pass'
# By default self.appPath will equal the gre dir. If specified in the
# xpcshell.ini file, set a different app dir for this test.
if self.app_dir_key and self.app_dir_key in self.test_object:
rel_app_dir = self.test_object[self.app_dir_key]
rel_app_dir = os.path.join(self.xrePath, rel_app_dir)
self.appPath = os.path.abspath(rel_app_dir)
else:
self.appPath = None
test_dir = os.path.dirname(path)
# Create a profile and a temp dir that the JS harness can stick
# a profile and temporary data in
self.profileDir = self.setupProfileDir()
self.tempDir = self.setupTempDir()
self.mozInfoJSPath = self.setupMozinfoJS()
self.buildXpcsCmd()
head_files, tail_files = self.getHeadAndTailFiles(self.test_object)
cmdH = self.buildCmdHead(head_files, tail_files, self.xpcsCmd)
# The test file will have to be loaded after the head files.
cmdT = self.buildCmdTestFile(path)
args = self.xpcsRunArgs[:]
if 'debug' in self.test_object:
args.insert(0, '-d')
# The test name to log
cmdI = ['-e', 'const _TEST_NAME = "%s"' % name]
# Directory for javascript code coverage output, null by default.
cmdC = ['-e', 'const _JSCOV_DIR = null']
if self.jscovdir:
cmdC = ['-e', 'const _JSCOV_DIR = "%s"' % self.jscovdir.replace('\\', '/')]
self.complete_command = cmdH + cmdT + cmdI + cmdC + args
else:
self.complete_command = cmdH + cmdT + cmdI + args
if self.test_object.get('dmd') == 'true':
if sys.platform.startswith('linux'):
preloadEnvVar = 'LD_PRELOAD'
libdmd = os.path.join(self.xrePath, 'libdmd.so')
elif sys.platform == 'osx' or sys.platform == 'darwin':
preloadEnvVar = 'DYLD_INSERT_LIBRARIES'
# self.xrePath is <prefix>/Contents/Resources.
# We need <prefix>/Contents/MacOS/libdmd.dylib.
contents_dir = os.path.dirname(self.xrePath)
libdmd = os.path.join(contents_dir, 'MacOS', 'libdmd.dylib')
elif sys.platform == 'win32':
preloadEnvVar = 'MOZ_REPLACE_MALLOC_LIB'
libdmd = os.path.join(self.xrePath, 'dmd.dll')
self.env['PYTHON'] = sys.executable
self.env['BREAKPAD_SYMBOLS_PATH'] = self.symbolsPath
self.env['DMD_PRELOAD_VAR'] = preloadEnvVar
self.env['DMD_PRELOAD_VALUE'] = libdmd
if self.test_object.get('subprocess') == 'true':
self.env['PYTHON'] = sys.executable
testTimeoutInterval = self.harness_timeout
# Allow a test to request a multiple of the timeout if it is expected to take long
if 'requesttimeoutfactor' in self.test_object:
testTimeoutInterval *= int(self.test_object['requesttimeoutfactor'])
testTimer = None
if not self.interactive and not self.debuggerInfo and not self.jsDebuggerInfo:
testTimer = Timer(testTimeoutInterval, lambda: self.testTimeout(proc))
testTimer.start()
proc = None
process_output = None
try:
self.log.test_start(name)
if self.verbose:
self.logCommand(name, self.complete_command, test_dir)
proc = self.launchProcess(self.complete_command,
stdout=self.pStdout, stderr=self.pStderr, env=self.env, cwd=test_dir, timeout=testTimeoutInterval)
if hasattr(proc, "pid"):
self.proc_ident = proc.pid
else:
# On mobile, "proc" is just a file.
self.proc_ident = name
if self.interactive:
self.log.info("%s | Process ID: %d" % (name, self.proc_ident))
# Communicate returns a tuple of (stdout, stderr), however we always
# redirect stderr to stdout, so the second element is ignored.
process_output, _ = self.communicate(proc)
if self.interactive:
# Not sure what else to do here...
self.keep_going = True
return
if testTimer:
testTimer.cancel()
if process_output:
# For the remote case, stdout is not yet depleted, so we parse
# it here all at once.
self.parse_output(process_output)
return_code = self.getReturnCode(proc)
# TSan'd processes return 66 if races are detected. This isn't
# good in the sense that there's no way to distinguish between
# a process that would normally have returned zero but has races,
# and a race-free process that returns 66. But I don't see how
# to do better. This ambiguity is at least constrained to the
# with-TSan case. It doesn't affect normal builds.
#
# This also assumes that the magic value 66 isn't overridden by
# a TSAN_OPTIONS=exitcode=<number> environment variable setting.
#
TSAN_EXIT_CODE_WITH_RACES = 66
return_code_ok = (return_code == 0 or
(self.usingTSan and
return_code == TSAN_EXIT_CODE_WITH_RACES))
passed = (not self.has_failure_output) and return_code_ok
status = 'PASS' if passed else 'FAIL'
expected = 'PASS' if expect_pass else 'FAIL'
message = 'xpcshell return code: %d' % return_code
if self.timedout:
return
if status != expected:
if self.retry:
self.log.test_end(name, status, expected=status,
message="Test failed or timed out, will retry")
self.clean_temp_dirs(path)
return
self.log.test_end(name, status, expected=expected, message=message)
self.log_full_output(self.output_lines)
self.failCount += 1
if self.failureManifest:
with open(self.failureManifest, 'a') as f:
f.write('[%s]\n' % self.test_object['path'])
for k, v in self.test_object.items():
f.write('%s = %s\n' % (k, v))
else:
# If TSan reports a race, dump the output, else we can't
# diagnose what the problem was. See comments above about
# the significance of TSAN_EXIT_CODE_WITH_RACES.
if self.usingTSan and return_code == TSAN_EXIT_CODE_WITH_RACES:
self.log_full_output(self.output_lines)
self.log.test_end(name, status, expected=expected, message=message)
if self.verbose:
self.log_full_output(self.output_lines)
self.retry = False
if expect_pass:
self.passCount = 1
else:
self.todoCount = 1
if self.checkForCrashes(self.tempDir, self.symbolsPath, test_name=name):
if self.retry:
self.clean_temp_dirs(path)
return
self.failCount = 1
if self.logfiles and process_output:
self.createLogFile(name, process_output)
finally:
self.postCheck(proc)
self.clean_temp_dirs(path)
if gotSIGINT:
self.log.error("Received SIGINT (control-C) during test execution")
if self.keep_going:
gotSIGINT = False
else:
self.keep_going = False
return
self.keep_going = True
class XPCShellTests(object):
def __init__(self, log=None):
""" Initializes node status and logger. """
self.log = log
self.harness_timeout = HARNESS_TIMEOUT
self.nodeProc = {}
def getTestManifest(self, manifest):
if isinstance(manifest, TestManifest):
return manifest
elif manifest is not None:
manifest = os.path.normpath(os.path.abspath(manifest))
if os.path.isfile(manifest):
return TestManifest([manifest], strict=True)
else:
ini_path = os.path.join(manifest, "xpcshell.ini")
else:
ini_path = os.path.join(SCRIPT_DIR, "tests", "xpcshell.ini")
if os.path.exists(ini_path):
return TestManifest([ini_path], strict=True)
else:
print >> sys.stderr, ("Failed to find manifest at %s; use --manifest "
"to set path explicitly." % (ini_path,))
sys.exit(1)
def buildTestList(self, test_tags=None, test_paths=None):
"""
read the xpcshell.ini manifest and set self.alltests to be
an array of test objects.
if we are chunking tests, it will be done here as well
"""
if test_paths is None:
test_paths = []
if len(test_paths) == 1 and test_paths[0].endswith(".js"):
self.singleFile = os.path.basename(test_paths[0])
else:
self.singleFile = None
mp = self.getTestManifest(self.manifest)
filters = []
if test_tags:
filters.append(tags(test_tags))
if test_paths:
filters.append(pathprefix(test_paths))
if self.singleFile is None and self.totalChunks > 1:
filters.append(chunk_by_slice(self.thisChunk, self.totalChunks))
try:
self.alltests = mp.active_tests(filters=filters, **mozinfo.info)
except TypeError:
sys.stderr.write("*** offending mozinfo.info: %s\n" % repr(mozinfo.info))
raise
if len(self.alltests) == 0:
self.log.error("no tests to run using specified "
"combination of filters: {}".format(
mp.fmt_filters()))
if self.dump_tests:
self.dump_tests = os.path.expanduser(self.dump_tests)
assert os.path.exists(os.path.dirname(self.dump_tests))
with open(self.dump_tests, 'w') as dumpFile:
dumpFile.write(json.dumps({'active_tests': self.alltests}))
self.log.info("Dumping active_tests to %s file." % self.dump_tests)
sys.exit()
def setAbsPath(self):
"""
Set the absolute path for xpcshell, httpdjspath and xrepath.
These 3 variables depend on input from the command line and we need to allow for absolute paths.
This function is overloaded for a remote solution as os.path* won't work remotely.
"""
self.testharnessdir = os.path.dirname(os.path.abspath(__file__))
self.headJSPath = self.testharnessdir.replace("\\", "/") + "/head.js"
self.xpcshell = os.path.abspath(self.xpcshell)
if self.xrePath is None:
self.xrePath = os.path.dirname(self.xpcshell)
if mozinfo.isMac:
# Check if we're run from an OSX app bundle and override
# self.xrePath if we are.
appBundlePath = os.path.join(os.path.dirname(os.path.dirname(self.xpcshell)), 'Resources')
if os.path.exists(os.path.join(appBundlePath, 'application.ini')):
self.xrePath = appBundlePath
else:
self.xrePath = os.path.abspath(self.xrePath)
# httpd.js belongs in xrePath/components, which is Contents/Resources on mac
self.httpdJSPath = os.path.join(self.xrePath, 'components', 'httpd.js')
self.httpdJSPath = self.httpdJSPath.replace('\\', '/')
self.httpdManifest = os.path.join(self.xrePath, 'components', 'httpd.manifest')
self.httpdManifest = self.httpdManifest.replace('\\', '/')
if self.mozInfo is None:
self.mozInfo = os.path.join(self.testharnessdir, "mozinfo.json")
def buildCoreEnvironment(self):
"""
Add environment variables likely to be used across all platforms, including remote systems.
"""
# Make assertions fatal
self.env["XPCOM_DEBUG_BREAK"] = "stack-and-abort"
# Crash reporting interferes with debugging
if not self.debuggerInfo:
self.env["MOZ_CRASHREPORTER"] = "1"
# Don't launch the crash reporter client
self.env["MOZ_CRASHREPORTER_NO_REPORT"] = "1"
# Don't permit remote connections by default.
# MOZ_DISABLE_NONLOCAL_CONNECTIONS can be set to "0" to temporarily
# enable non-local connections for the purposes of local testing.
# Don't override the user's choice here. See bug 1049688.
self.env.setdefault('MOZ_DISABLE_NONLOCAL_CONNECTIONS', '1')
def buildEnvironment(self):
"""
Create and returns a dictionary of self.env to include all the appropriate env variables and values.
On a remote system, we overload this to set different values and are missing things like os.environ and PATH.
"""
self.env = dict(os.environ)
self.buildCoreEnvironment()
if sys.platform == 'win32':
self.env["PATH"] = self.env["PATH"] + ";" + self.xrePath
elif sys.platform in ('os2emx', 'os2knix'):
os.environ["BEGINLIBPATH"] = self.xrePath + ";" + self.env["BEGINLIBPATH"]
os.environ["LIBPATHSTRICT"] = "T"
elif sys.platform == 'osx' or sys.platform == "darwin":
self.env["DYLD_LIBRARY_PATH"] = os.path.join(os.path.dirname(self.xrePath), 'MacOS')
else: # unix or linux?
if not "LD_LIBRARY_PATH" in self.env or self.env["LD_LIBRARY_PATH"] is None:
self.env["LD_LIBRARY_PATH"] = self.xrePath
else:
self.env["LD_LIBRARY_PATH"] = ":".join([self.xrePath, self.env["LD_LIBRARY_PATH"]])
usingASan = "asan" in self.mozInfo and self.mozInfo["asan"]
usingTSan = "tsan" in self.mozInfo and self.mozInfo["tsan"]
if usingASan or usingTSan:
# symbolizer support
llvmsym = os.path.join(self.xrePath, "llvm-symbolizer")
if os.path.isfile(llvmsym):
if usingASan:
self.env["ASAN_SYMBOLIZER_PATH"] = llvmsym
else:
oldTSanOptions = self.env.get("TSAN_OPTIONS", "")
self.env["TSAN_OPTIONS"] = "external_symbolizer_path={} {}".format(llvmsym, oldTSanOptions)
self.log.info("runxpcshelltests.py | using symbolizer at %s" % llvmsym)
else:
self.log.error("TEST-UNEXPECTED-FAIL | runxpcshelltests.py | Failed to find symbolizer at %s" % llvmsym)
return self.env
def getPipes(self):
"""
Determine the value of the stdout and stderr for the test.
Return value is a list (pStdout, pStderr).
"""
if self.interactive:
pStdout = None
pStderr = None
else:
if (self.debuggerInfo and self.debuggerInfo.interactive):
pStdout = None
pStderr = None
else:
if sys.platform == 'os2emx':
pStdout = None
else:
pStdout = PIPE
pStderr = STDOUT
return pStdout, pStderr
def verifyDirPath(self, dirname):
"""
Simple wrapper to get the absolute path for a given directory name.
On a remote system, we need to overload this to work on the remote filesystem.
"""
return os.path.abspath(dirname)
def trySetupNode(self):
"""
Run node for SPDY tests, if available, and updates mozinfo as appropriate.
"""
nodeMozInfo = {'hasNode': False} # Assume the worst
nodeBin = None
# We try to find the node executable in the path given to us by the user in
# the MOZ_NODE_PATH environment variable
localPath = os.getenv('MOZ_NODE_PATH', None)
if localPath and os.path.exists(localPath) and os.path.isfile(localPath):
nodeBin = localPath
if nodeBin:
self.log.info('Found node at %s' % (nodeBin,))
def startServer(name, serverJs):
if os.path.exists(serverJs):
# OK, we found our SPDY server, let's try to get it running
self.log.info('Found %s at %s' % (name, serverJs))
try:
# We pipe stdin to node because the spdy server will exit when its
# stdin reaches EOF
process = Popen([nodeBin, serverJs], stdin=PIPE, stdout=PIPE,
stderr=PIPE, env=self.env, cwd=os.getcwd())
self.nodeProc[name] = process
# Check to make sure the server starts properly by waiting for it to
# tell us it's started
msg = process.stdout.readline()
if 'server listening' in msg:
nodeMozInfo['hasNode'] = True
searchObj = re.search( r'SPDY server listening on port (.*)', msg, 0)
if searchObj:
self.env["MOZSPDY_PORT"] = searchObj.group(1)
searchObj = re.search( r'HTTP2 server listening on port (.*)', msg, 0)
if searchObj:
self.env["MOZHTTP2_PORT"] = searchObj.group(1)
except OSError, e:
# This occurs if the subprocess couldn't be started
self.log.error('Could not run %s server: %s' % (name, str(e)))
myDir = os.path.split(os.path.abspath(__file__))[0]
startServer('moz-spdy', os.path.join(myDir, 'moz-spdy', 'moz-spdy.js'))
startServer('moz-http2', os.path.join(myDir, 'moz-http2', 'moz-http2.js'))
elif os.getenv('MOZ_ASSUME_NODE_RUNNING', None):
self.log.info('Assuming required node servers are already running')
nodeMozInfo['hasNode'] = True
mozinfo.update(nodeMozInfo)
def shutdownNode(self):
"""
Shut down our node process, if it exists
"""
for name, proc in self.nodeProc.iteritems():
self.log.info('Node %s server shutting down ...' % name)
if proc.poll() is not None:
self.log.info('Node server %s already dead %s' % (name, proc.poll()))
else:
proc.terminate()
def dumpOutput(fd, label):
firstTime = True
for msg in fd:
if firstTime:
firstTime = False;
self.log.info('Process %s' % label)
self.log.info(msg)
dumpOutput(proc.stdout, "stdout")
dumpOutput(proc.stderr, "stderr")
def buildXpcsRunArgs(self):
"""
Add arguments to run the test or make it interactive.
"""
if self.interactive:
self.xpcsRunArgs = [
'-e', 'print("To start the test, type |_execute_test();|.");',
'-i']
else:
self.xpcsRunArgs = ['-e', '_execute_test(); quit(0);']
def addTestResults(self, test):
self.passCount += test.passCount
self.failCount += test.failCount
self.todoCount += test.todoCount
def makeTestId(self, test_object):
"""Calculate an identifier for a test based on its path or a combination of
its path and the source manifest."""
relpath_key = 'file_relpath' if 'file_relpath' in test_object else 'relpath'
path = test_object[relpath_key].replace('\\', '/');
if 'dupe-manifest' in test_object and 'ancestor-manifest' in test_object:
return '%s:%s' % (os.path.basename(test_object['ancestor-manifest']), path)
return path
def runTests(self, xpcshell=None, xrePath=None, appPath=None, symbolsPath=None,
manifest=None, testPaths=None, mobileArgs=None, tempDir=None,
interactive=False, verbose=False, keepGoing=False, logfiles=True,
thisChunk=1, totalChunks=1, debugger=None,
debuggerArgs=None, debuggerInteractive=False,
profileName=None, mozInfo=None, sequential=False, shuffle=False,
testingModulesDir=None, pluginsPath=None,
testClass=XPCShellTestThread, failureManifest=None,
log=None, stream=None, jsDebugger=False, jsDebuggerPort=0,
test_tags=None, dump_tests=None, utility_path=None,
rerun_failures=False, failure_manifest=None, jscovdir=None, **otherOptions):
"""Run xpcshell tests.
|xpcshell|, is the xpcshell executable to use to run the tests.
|xrePath|, if provided, is the path to the XRE to use.
|appPath|, if provided, is the path to an application directory.
|symbolsPath|, if provided is the path to a directory containing
breakpad symbols for processing crashes in tests.
|manifest|, if provided, is a file containing a list of
test directories to run.
|testPaths|, if provided, is a list of paths to files or directories containing
tests to run.
|pluginsPath|, if provided, custom plugins directory to be returned from
the xpcshell dir svc provider for NS_APP_PLUGINS_DIR_LIST.
|interactive|, if set to True, indicates to provide an xpcshell prompt
instead of automatically executing the test.
|verbose|, if set to True, will cause stdout/stderr from tests to
be printed always
|logfiles|, if set to False, indicates not to save output to log files.
Non-interactive only option.
|debugger|, if set, specifies the name of the debugger that will be used
to launch xpcshell.
|debuggerArgs|, if set, specifies arguments to use with the debugger.
|debuggerInteractive|, if set, allows the debugger to be run in interactive
mode.
|profileName|, if set, specifies the name of the application for the profile
directory if running only a subset of tests.
|mozInfo|, if set, specifies specifies build configuration information, either as a filename containing JSON, or a dict.
|shuffle|, if True, execute tests in random order.
|testingModulesDir|, if provided, specifies where JS modules reside.
xpcshell will register a resource handler mapping this path.
|tempDir|, if provided, specifies a temporary directory to use.
|otherOptions| may be present for the convenience of subclasses
"""
global gotSIGINT
# Try to guess modules directory.
# This somewhat grotesque hack allows the buildbot machines to find the
# modules directory without having to configure the buildbot hosts. This
# code path should never be executed in local runs because the build system
# should always set this argument.
if not testingModulesDir:
possible = os.path.join(here, os.path.pardir, 'modules')
if os.path.isdir(possible):
testingModulesDir = possible
if rerun_failures:
if os.path.exists(failure_manifest):
rerun_manifest = os.path.join(os.path.dirname(failure_manifest), "rerun.ini")
shutil.copyfile(failure_manifest, rerun_manifest)
os.remove(failure_manifest)
manifest = rerun_manifest
else:
print >> sys.stderr, "No failures were found to re-run."
sys.exit(1)
if testingModulesDir:
# The resource loader expects native paths. Depending on how we were
# invoked, a UNIX style path may sneak in on Windows. We try to
# normalize that.
testingModulesDir = os.path.normpath(testingModulesDir)
if not os.path.isabs(testingModulesDir):
testingModulesDir = os.path.abspath(testingModulesDir)
if not testingModulesDir.endswith(os.path.sep):
testingModulesDir += os.path.sep
self.debuggerInfo = None
if debugger:
self.debuggerInfo = mozdebug.get_debugger_info(debugger, debuggerArgs, debuggerInteractive)
self.jsDebuggerInfo = None
if jsDebugger:
# A namedtuple let's us keep .port instead of ['port']
JSDebuggerInfo = namedtuple('JSDebuggerInfo', ['port'])
self.jsDebuggerInfo = JSDebuggerInfo(port=jsDebuggerPort)
self.xpcshell = xpcshell
self.xrePath = xrePath
self.appPath = appPath
self.symbolsPath = symbolsPath
self.tempDir = os.path.normpath(tempDir or tempfile.gettempdir())
self.manifest = manifest
self.dump_tests = dump_tests
self.interactive = interactive
self.verbose = verbose
self.keepGoing = keepGoing
self.logfiles = logfiles
self.totalChunks = totalChunks
self.thisChunk = thisChunk
self.profileName = profileName or "xpcshell"
self.mozInfo = mozInfo
self.testingModulesDir = testingModulesDir
self.pluginsPath = pluginsPath
self.sequential = sequential
self.failure_manifest = failure_manifest
self.jscovdir = jscovdir
self.testCount = 0
self.passCount = 0
self.failCount = 0
self.todoCount = 0
self.setAbsPath()
self.buildXpcsRunArgs()
self.event = Event()
# Handle filenames in mozInfo
if not isinstance(self.mozInfo, dict):
mozInfoFile = self.mozInfo
if not os.path.isfile(mozInfoFile):
self.log.error("Error: couldn't find mozinfo.json at '%s'. Perhaps you need to use --build-info-json?" % mozInfoFile)
return False
self.mozInfo = json.load(open(mozInfoFile))
# mozinfo.info is used as kwargs. Some builds are done with
# an older Python that can't handle Unicode keys in kwargs.
# All of the keys in question should be ASCII.
fixedInfo = {}
for k, v in self.mozInfo.items():
if isinstance(k, unicode):
k = k.encode('ascii')
fixedInfo[k] = v
self.mozInfo = fixedInfo
mozinfo.update(self.mozInfo)
self.stack_fixer_function = None
if utility_path and os.path.exists(utility_path):
self.stack_fixer_function = get_stack_fixer_function(utility_path, self.symbolsPath)
# buildEnvironment() needs mozInfo, so we call it after mozInfo is initialized.
self.buildEnvironment()
# The appDirKey is a optional entry in either the default or individual test
# sections that defines a relative application directory for test runs. If
# defined we pass 'grePath/$appDirKey' for the -a parameter of the xpcshell
# test harness.
appDirKey = None
if "appname" in self.mozInfo:
appDirKey = self.mozInfo["appname"] + "-appdir"
# We have to do this before we build the test list so we know whether or
# not to run tests that depend on having the node spdy server
self.trySetupNode()
pStdout, pStderr = self.getPipes()
self.buildTestList(test_tags, testPaths)
if self.singleFile:
self.sequential = True
if shuffle:
random.shuffle(self.alltests)
self.cleanup_dir_list = []
self.try_again_list = []
kwargs = {
'appPath': self.appPath,
'xrePath': self.xrePath,
'testingModulesDir': self.testingModulesDir,
'debuggerInfo': self.debuggerInfo,
'jsDebuggerInfo': self.jsDebuggerInfo,
'pluginsPath': self.pluginsPath,
'httpdManifest': self.httpdManifest,
'httpdJSPath': self.httpdJSPath,
'headJSPath': self.headJSPath,
'tempDir': self.tempDir,
'testharnessdir': self.testharnessdir,
'profileName': self.profileName,
'singleFile': self.singleFile,
'env': self.env, # making a copy of this in the testthreads
'symbolsPath': self.symbolsPath,
'logfiles': self.logfiles,
'xpcshell': self.xpcshell,
'xpcsRunArgs': self.xpcsRunArgs,
'failureManifest': self.failure_manifest,
'jscovdir': self.jscovdir,
'harness_timeout': self.harness_timeout,
'stack_fixer_function': self.stack_fixer_function,
}
if self.sequential:
# Allow user to kill hung xpcshell subprocess with SIGINT
# when we are only running tests sequentially.
signal.signal(signal.SIGINT, markGotSIGINT)
if self.debuggerInfo:
# Force a sequential run
self.sequential = True
# If we have an interactive debugger, disable SIGINT entirely.
if self.debuggerInfo.interactive:
signal.signal(signal.SIGINT, lambda signum, frame: None)
if "lldb" in self.debuggerInfo.path:
# Ask people to start debugging using 'process launch', see bug 952211.
self.log.info("It appears that you're using LLDB to debug this test. " +
"Please use the 'process launch' command instead of the 'run' command to start xpcshell.")
if self.jsDebuggerInfo:
# The js debugger magic needs more work to do the right thing
# if debugging multiple files.
if len(self.alltests) != 1:
self.log.error("Error: --jsdebugger can only be used with a single test!")
return False
# The test itself needs to know whether it is a tsan build, since
# that has an effect on interpretation of the process return value.
usingTSan = "tsan" in self.mozInfo and self.mozInfo["tsan"]
# create a queue of all tests that will run
tests_queue = deque()
# also a list for the tests that need to be run sequentially
sequential_tests = []
for test_object in self.alltests:
# Test identifiers are provided for the convenience of logging. These
# start as path names but are rewritten in case tests from the same path
# are re-run.
path = test_object['path']
test_object['id'] = self.makeTestId(test_object)
if self.singleFile and not path.endswith(self.singleFile):
continue
self.testCount += 1
test = testClass(test_object, self.event, self.cleanup_dir_list,
app_dir_key=appDirKey,
interactive=interactive,
verbose=verbose or test_object.get("verbose") == "true",
pStdout=pStdout, pStderr=pStderr,
keep_going=keepGoing, log=self.log, usingTSan=usingTSan,
mobileArgs=mobileArgs, **kwargs)
if 'run-sequentially' in test_object or self.sequential:
sequential_tests.append(test)
else:
tests_queue.append(test)
if self.sequential:
self.log.info("Running tests sequentially.")
else:
self.log.info("Using at most %d threads." % NUM_THREADS)
# keep a set of NUM_THREADS running tests and start running the
# tests in the queue at most NUM_THREADS at a time
running_tests = set()
keep_going = True
exceptions = []
tracebacks = []
self.log.suite_start([t['id'] for t in self.alltests])
while tests_queue or running_tests:
# if we're not supposed to continue and all of the running tests
# are done, stop
if not keep_going and not running_tests:
break
# if there's room to run more tests, start running them
while keep_going and tests_queue and (len(running_tests) < NUM_THREADS):
test = tests_queue.popleft()
running_tests.add(test)
test.start()
# queue is full (for now) or no more new tests,
# process the finished tests so far
# wait for at least one of the tests to finish
self.event.wait(1)
self.event.clear()
# find what tests are done (might be more than 1)
done_tests = set()
for test in running_tests:
if test.done:
done_tests.add(test)
test.join(1) # join with timeout so we don't hang on blocked threads
# if the test had trouble, we will try running it again
# at the end of the run
if test.retry or test.is_alive():
# if the join call timed out, test.is_alive => True
self.try_again_list.append(test.test_object)
continue
# did the test encounter any exception?
if test.exception:
exceptions.append(test.exception)
tracebacks.append(test.traceback)
# we won't add any more tests, will just wait for
# the currently running ones to finish
keep_going = False
keep_going = keep_going and test.keep_going
self.addTestResults(test)
# make room for new tests to run
running_tests.difference_update(done_tests)
if keep_going:
# run the other tests sequentially
for test in sequential_tests:
if not keep_going:
self.log.error("TEST-UNEXPECTED-FAIL | Received SIGINT (control-C), so stopped run. " \
"(Use --keep-going to keep running tests after killing one with SIGINT)")
break
# we don't want to retry these tests
test.retry = False
test.start()
test.join()
self.addTestResults(test)
# did the test encounter any exception?
if test.exception:
exceptions.append(test.exception)
tracebacks.append(test.traceback)
break
keep_going = test.keep_going
# retry tests that failed when run in parallel
if self.try_again_list:
self.log.info("Retrying tests that failed when run in parallel.")
for test_object in self.try_again_list:
test = testClass(test_object, self.event, self.cleanup_dir_list,
retry=False,
app_dir_key=appDirKey, interactive=interactive,
verbose=verbose, pStdout=pStdout, pStderr=pStderr,
keep_going=keepGoing, log=self.log, mobileArgs=mobileArgs,
**kwargs)
test.start()
test.join()
self.addTestResults(test)
# did the test encounter any exception?
if test.exception:
exceptions.append(test.exception)
tracebacks.append(test.traceback)
break
keep_going = test.keep_going
# restore default SIGINT behaviour
signal.signal(signal.SIGINT, signal.SIG_DFL)
self.shutdownNode()
# Clean up any slacker directories that might be lying around
# Some might fail because of windows taking too long to unlock them.
# We don't do anything if this fails because the test slaves will have
# their $TEMP dirs cleaned up on reboot anyway.
for directory in self.cleanup_dir_list:
try:
shutil.rmtree(directory)
except:
self.log.info("%s could not be cleaned up." % directory)
if exceptions:
self.log.info("Following exceptions were raised:")
for t in tracebacks:
self.log.error(t)
raise exceptions[0]
if self.testCount == 0:
self.log.error("No tests run. Did you pass an invalid --test-path?")
self.failCount = 1
self.log.info("INFO | Result summary:")
self.log.info("INFO | Passed: %d" % self.passCount)
self.log.info("INFO | Failed: %d" % self.failCount)
self.log.info("INFO | Todo: %d" % self.todoCount)
self.log.info("INFO | Retried: %d" % len(self.try_again_list))
if gotSIGINT and not keepGoing:
self.log.error("TEST-UNEXPECTED-FAIL | Received SIGINT (control-C), so stopped run. " \
"(Use --keep-going to keep running tests after killing one with SIGINT)")
return False
self.log.suite_end()
return self.failCount == 0
def main():
parser = parser_desktop()
options = parser.parse_args()
log = commandline.setup_logging("XPCShell", options, {"tbpl": sys.stdout})
if options.xpcshell is None:
print >> sys.stderr, """Must provide path to xpcshell using --xpcshell"""
xpcsh = XPCShellTests(log)
if options.interactive and not options.testPath:
print >>sys.stderr, "Error: You must specify a test filename in interactive mode!"
sys.exit(1)
if not xpcsh.runTests(**vars(options)):
sys.exit(1)
if __name__ == '__main__':
main()