blob: a674c058b7074741bd00bed2c417b677da751683 [file] [log] [blame]
#!/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/.
"""Utility functions for mozrunner"""
__all__ = ['findInPath', 'get_metadata_from_egg', 'uses_marionette']
from functools import wraps
import mozinfo
import os
import sys
### python package method metadata by introspection
try:
import pkg_resources
def get_metadata_from_egg(module):
ret = {}
try:
dist = pkg_resources.get_distribution(module)
except pkg_resources.DistributionNotFound:
return {}
if dist.has_metadata("PKG-INFO"):
key = None
for line in dist.get_metadata("PKG-INFO").splitlines():
# see http://www.python.org/dev/peps/pep-0314/
if key == 'Description':
# descriptions can be long
if not line or line[0].isspace():
value += '\n' + line
continue
else:
key = key.strip()
value = value.strip()
ret[key] = value
key, value = line.split(':', 1)
key = key.strip()
value = value.strip()
ret[key] = value
if dist.has_metadata("requires.txt"):
ret["Dependencies"] = "\n" + dist.get_metadata("requires.txt")
return ret
except ImportError:
# package resources not avaialable
def get_metadata_from_egg(module):
return {}
def findInPath(fileName, path=os.environ['PATH']):
"""python equivalent of which; should really be in the stdlib"""
dirs = path.split(os.pathsep)
for dir in dirs:
if os.path.isfile(os.path.join(dir, fileName)):
return os.path.join(dir, fileName)
if mozinfo.isWin:
if os.path.isfile(os.path.join(dir, fileName + ".exe")):
return os.path.join(dir, fileName + ".exe")
if __name__ == '__main__':
for i in sys.argv[1:]:
print findInPath(i)
def _find_marionette_in_args(*args, **kwargs):
try:
m = [a for a in args + tuple(kwargs.values()) if hasattr(a, 'session')][0]
except IndexError:
print("Can only apply decorator to function using a marionette object")
raise
return m
def uses_marionette(func):
"""Decorator which creates a marionette session and deletes it
afterwards if one doesn't already exist.
"""
@wraps(func)
def _(*args, **kwargs):
m = _find_marionette_in_args(*args, **kwargs)
delete_session = False
if not m.session:
delete_session = True
m.start_session()
m.set_context(m.CONTEXT_CHROME)
ret = func(*args, **kwargs)
if delete_session:
m.delete_session()
return ret
return _
def _raw_log():
import logging
return logging.getLogger(__name__)
def test_environment(xrePath, env=None, crashreporter=True, debugger=False,
dmdPath=None, lsanPath=None, log=None):
"""
populate OS environment variables for mochitest and reftests.
Originally comes from automationutils.py. Don't use that for new code.
"""
env = os.environ.copy() if env is None else env
log = log or _raw_log()
assert os.path.isabs(xrePath)
if mozinfo.isMac:
ldLibraryPath = os.path.join(os.path.dirname(xrePath), "MacOS")
else:
ldLibraryPath = xrePath
envVar = None
dmdLibrary = None
preloadEnvVar = None
if 'toolkit' in mozinfo.info and mozinfo.info['toolkit'] == "gonk":
# Skip all of this, it's only valid for the host.
pass
elif mozinfo.isUnix:
envVar = "LD_LIBRARY_PATH"
env['MOZILLA_FIVE_HOME'] = xrePath
dmdLibrary = "libdmd.so"
preloadEnvVar = "LD_PRELOAD"
elif mozinfo.isMac:
envVar = "DYLD_LIBRARY_PATH"
dmdLibrary = "libdmd.dylib"
preloadEnvVar = "DYLD_INSERT_LIBRARIES"
elif mozinfo.isWin:
envVar = "PATH"
dmdLibrary = "dmd.dll"
preloadEnvVar = "MOZ_REPLACE_MALLOC_LIB"
if envVar:
envValue = ((env.get(envVar), str(ldLibraryPath))
if mozinfo.isWin
else (ldLibraryPath, dmdPath, env.get(envVar)))
env[envVar] = os.path.pathsep.join([path for path in envValue if path])
if dmdPath and dmdLibrary and preloadEnvVar:
env[preloadEnvVar] = os.path.join(dmdPath, dmdLibrary)
# crashreporter
env['GNOME_DISABLE_CRASH_DIALOG'] = '1'
env['XRE_NO_WINDOWS_CRASH_DIALOG'] = '1'
if crashreporter and not debugger:
env['MOZ_CRASHREPORTER_NO_REPORT'] = '1'
env['MOZ_CRASHREPORTER'] = '1'
else:
env['MOZ_CRASHREPORTER_DISABLE'] = '1'
# Crash on non-local network 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.
env.setdefault('MOZ_DISABLE_NONLOCAL_CONNECTIONS', '1')
# Set WebRTC logging in case it is not set yet
env.setdefault(
'NSPR_LOG_MODULES',
'signaling:3,mtransport:4,datachannel:4,jsep:4,MediaPipelineFactory:4'
)
env.setdefault('R_LOG_LEVEL', '6')
env.setdefault('R_LOG_DESTINATION', 'stderr')
env.setdefault('R_LOG_VERBOSE', '1')
# ASan specific environment stuff
asan = bool(mozinfo.info.get("asan"))
if asan and (mozinfo.isLinux or mozinfo.isMac):
try:
# Symbolizer support
llvmsym = os.path.join(xrePath, "llvm-symbolizer")
if os.path.isfile(llvmsym):
env["ASAN_SYMBOLIZER_PATH"] = llvmsym
log.info("INFO | runtests.py | ASan using symbolizer at %s"
% llvmsym)
else:
log.info("TEST-UNEXPECTED-FAIL | runtests.py | Failed to find"
" ASan symbolizer at %s" % llvmsym)
# Returns total system memory in kilobytes.
# Works only on unix-like platforms where `free` is in the path.
totalMemory = int(os.popen("free").readlines()[1].split()[1])
# Only 4 GB RAM or less available? Use custom ASan options to reduce
# the amount of resources required to do the tests. Standard options
# will otherwise lead to OOM conditions on the current test slaves.
message = "INFO | runtests.py | ASan running in %s configuration"
asanOptions = []
if totalMemory <= 1024 * 1024 * 4:
message = message % 'low-memory'
asanOptions = [
'quarantine_size=50331648', 'malloc_context_size=5']
else:
message = message % 'default memory'
if lsanPath:
log.info("LSan enabled.")
asanOptions.append('detect_leaks=1')
lsanOptions = ["exitcode=0"]
suppressionsFile = os.path.join(
lsanPath, 'lsan_suppressions.txt')
if os.path.exists(suppressionsFile):
log.info("LSan using suppression file " + suppressionsFile)
lsanOptions.append("suppressions=" + suppressionsFile)
else:
log.info("WARNING | runtests.py | LSan suppressions file"
" does not exist! " + suppressionsFile)
env["LSAN_OPTIONS"] = ':'.join(lsanOptions)
if len(asanOptions):
env['ASAN_OPTIONS'] = ':'.join(asanOptions)
except OSError, err:
log.info("Failed determine available memory, disabling ASan"
" low-memory configuration: %s" % err.strerror)
except:
log.info("Failed determine available memory, disabling ASan"
" low-memory configuration")
else:
log.info(message)
tsan = bool(mozinfo.info.get("tsan"))
if tsan and mozinfo.isLinux:
# Symbolizer support.
llvmsym = os.path.join(xrePath, "llvm-symbolizer")
if os.path.isfile(llvmsym):
env["TSAN_OPTIONS"] = "external_symbolizer_path=%s" % llvmsym
log.info("INFO | runtests.py | TSan using symbolizer at %s"
% llvmsym)
else:
log.info("TEST-UNEXPECTED-FAIL | runtests.py | Failed to find TSan"
" symbolizer at %s" % llvmsym)
return env
def get_stack_fixer_function(utilityPath, symbolsPath):
"""
Return a stack fixing function, if possible, to use on output lines.
A stack fixing function checks if a line conforms to the output from
MozFormatCodeAddressDetails. If the line does not, the line is returned
unchanged. If the line does, an attempt is made to convert the
file+offset into something human-readable (e.g. a function name).
"""
if not mozinfo.info.get('debug'):
return None
stack_fixer_function = None
def import_stack_fixer_module(module_name):
sys.path.insert(0, utilityPath)
module = __import__(module_name, globals(), locals(), [])
sys.path.pop(0)
return module
if symbolsPath and os.path.exists(symbolsPath):
# Run each line through a function in fix_stack_using_bpsyms.py (uses breakpad symbol files).
# This method is preferred for Tinderbox builds, since native
# symbols may have been stripped.
stack_fixer_module = import_stack_fixer_module(
'fix_stack_using_bpsyms')
stack_fixer_function = lambda line: stack_fixer_module.fixSymbols(
line, symbolsPath)
elif mozinfo.isMac:
# Run each line through fix_macosx_stack.py (uses atos).
# This method is preferred for developer machines, so we don't
# have to run "make buildsymbols".
stack_fixer_module = import_stack_fixer_module(
'fix_macosx_stack')
stack_fixer_function = lambda line: stack_fixer_module.fixSymbols(
line)
elif mozinfo.isLinux:
# Run each line through fix_linux_stack.py (uses addr2line).
# This method is preferred for developer machines, so we don't
# have to run "make buildsymbols".
stack_fixer_module = import_stack_fixer_module(
'fix_linux_stack')
stack_fixer_function = lambda line: stack_fixer_module.fixSymbols(
line)
return stack_fixer_function