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#!/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/.
from __future__ import with_statement
from optparse import OptionParser
import os
import sys
import mozcrash
import mozinfo
import mozlog
import mozprocess
from mozrunner.utils import get_stack_fixer_function
log = mozlog.unstructured.getLogger('gtest')
class GTests(object):
# Time (seconds) to wait for test process to complete
TEST_PROC_TIMEOUT = 1200
# Time (seconds) in which process will be killed if it produces no output.
TEST_PROC_NO_OUTPUT_TIMEOUT = 300
def run_gtest(self, prog, xre_path, cwd, symbols_path=None,
utility_path=None):
"""
Run a single C++ unit test program.
Arguments:
* prog: The path to the test program to run.
* env: The environment to use for running the program.
* cwd: The directory to run tests from (support files will be found
in this direcotry).
* symbols_path: A path to a directory containing Breakpad-formatted
symbol files for producing stack traces on crash.
* utility_path: A path to a directory containing utility programs.
currently used to locate a stack fixer to provide
symbols symbols for assertion stacks.
Return True if the program exits with a zero status, False otherwise.
"""
self.xre_path = xre_path
env = self.build_environment()
log.info("Running gtest")
if cwd and not os.path.isdir(cwd):
os.makedirs(cwd)
stream_output = mozprocess.StreamOutput(sys.stdout)
process_output = stream_output
if utility_path:
stack_fixer = get_stack_fixer_function(utility_path, symbols_path)
if stack_fixer:
process_output = lambda line: stream_output(stack_fixer(line))
proc = mozprocess.ProcessHandler([prog, "-unittest"],
cwd=cwd,
env=env,
processOutputLine=process_output)
#TODO: After bug 811320 is fixed, don't let .run() kill the process,
# instead use a timeout in .wait() and then kill to get a stack.
proc.run(timeout=GTests.TEST_PROC_TIMEOUT,
outputTimeout=GTests.TEST_PROC_NO_OUTPUT_TIMEOUT)
proc.wait()
if proc.timedOut:
log.testFail("gtest | timed out after %d seconds", GTests.TEST_PROC_TIMEOUT)
return False
if mozcrash.check_for_crashes(cwd, symbols_path, test_name="gtest"):
# mozcrash will output the log failure line for us.
return False
result = proc.proc.returncode == 0
if not result:
log.testFail("gtest | test failed with return code %d", proc.proc.returncode)
return result
def build_core_environment(self, env = {}):
"""
Add environment variables likely to be used across all platforms, including remote systems.
"""
env["MOZILLA_FIVE_HOME"] = self.xre_path
env["MOZ_XRE_DIR"] = self.xre_path
env["MOZ_GMP_PATH"] = os.pathsep.join(
os.path.join(self.xre_path, p, "1.0")
for p in ('gmp-fake', 'gmp-fakeopenh264')
)
env["XPCOM_DEBUG_BREAK"] = "stack-and-abort"
env["MOZ_CRASHREPORTER_NO_REPORT"] = "1"
env["MOZ_RUN_GTEST"] = "1"
# Normally we run with GTest default output, override this to use the TBPL test format.
env["MOZ_TBPL_PARSER"] = "1"
if not mozinfo.has_sandbox:
# Bug 1082193 - This is horrible. Our linux build boxes run CentOS 6,
# which is too old to support sandboxing. Disable sandbox for gtests
# on machines which don't support sandboxing until they can be
# upgraded, or gtests are run on test machines instead.
env["MOZ_DISABLE_GMP_SANDBOX"] = "1"
return env
def build_environment(self):
"""
Create and return a dictionary of 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.
"""
if not os.path.isdir(self.xre_path):
raise Exception("xre_path does not exist: %s", self.xre_path)
env = dict(os.environ)
env = self.build_core_environment(env)
pathvar = ""
if mozinfo.os == "linux":
pathvar = "LD_LIBRARY_PATH"
elif mozinfo.os == "mac":
pathvar = "DYLD_LIBRARY_PATH"
elif mozinfo.os == "win":
pathvar = "PATH"
if pathvar:
if pathvar in env:
env[pathvar] = "%s%s%s" % (self.xre_path, os.pathsep, env[pathvar])
else:
env[pathvar] = self.xre_path
# ASan specific environment stuff
if mozinfo.info["asan"]:
# Symbolizer support
llvmsym = os.path.join(self.xre_path, "llvm-symbolizer")
if os.path.isfile(llvmsym):
env["ASAN_SYMBOLIZER_PATH"] = llvmsym
log.info("gtest | ASan using symbolizer at %s", llvmsym)
else:
# This should be |testFail| instead of |info|. See bug 1050891.
log.info("gtest | Failed to find ASan symbolizer at %s", llvmsym)
return env
class gtestOptions(OptionParser):
def __init__(self):
OptionParser.__init__(self)
self.add_option("--cwd",
dest="cwd",
default=os.getcwd(),
help="absolute path to directory from which to run the binary")
self.add_option("--xre-path",
dest="xre_path",
default=None,
help="absolute path to directory containing XRE (probably xulrunner)")
self.add_option("--symbols-path",
dest="symbols_path",
default=None,
help="absolute path to directory containing breakpad symbols, or the URL of a zip file containing symbols")
self.add_option("--utility-path",
dest="utility_path",
default=None,
help="path to a directory containing utility program binaries")
def update_mozinfo():
"""walk up directories to find mozinfo.json update the info"""
path = os.path.abspath(os.path.realpath(os.path.dirname(__file__)))
dirs = set()
while path != os.path.expanduser('~'):
if path in dirs:
break
dirs.add(path)
path = os.path.split(path)[0]
mozinfo.find_and_update_from_json(*dirs)
def main():
parser = gtestOptions()
options, args = parser.parse_args()
if not args:
print >>sys.stderr, """Usage: %s <binary>""" % sys.argv[0]
sys.exit(1)
if not options.xre_path:
print >>sys.stderr, """Error: --xre-path is required"""
sys.exit(1)
if not options.utility_path:
print >>sys.stderr, """Warning: --utility-path is required to process assertion stacks"""
update_mozinfo()
prog = os.path.abspath(args[0])
options.xre_path = os.path.abspath(options.xre_path)
tester = GTests()
try:
result = tester.run_gtest(prog, options.xre_path,
options.cwd,
symbols_path=options.symbols_path,
utility_path=options.utility_path)
except Exception, e:
log.error(str(e))
result = False
sys.exit(0 if result else 1)
if __name__ == '__main__':
main()
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