gecko/testing/runcppunittests.py

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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
import sys, optparse, os, tempfile, shutil
import mozprocess, mozinfo, mozlog, mozcrash
from contextlib import contextmanager
log = mozlog.getLogger('cppunittests')
@contextmanager
def TemporaryDirectory():
tempdir = tempfile.mkdtemp()
yield tempdir
shutil.rmtree(tempdir)
def run_one_test(prog, env, symbols_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.
* symbols_path: A path to a directory containing Breakpad-formatted
symbol files for producing stack traces on crash.
Return True if the program exits with a zero status, False otherwise.
"""
basename = os.path.basename(prog)
log.info("Running test %s", basename)
with TemporaryDirectory() as tempdir:
proc = mozprocess.ProcessHandler([prog],
cwd=tempdir,
env=env)
proc.run()
timeout = 300
proc.processOutput(timeout=timeout)
if proc.timedOut:
log.testFail("%s | timed out after %d seconds",
basename, timeout)
return False
proc.waitForFinish(timeout=timeout)
if proc.timedOut:
log.testFail("%s | timed out after %d seconds",
basename, timeout)
return False
if mozcrash.check_for_crashes(tempdir, symbols_path,
test_name=basename):
log.testFail("%s | test crashed", basename)
return False
result = proc.proc.returncode == 0
if not result:
log.testFail("%s | test failed with return code %d",
basename, proc.proc.returncode)
return result
def run_tests(programs, xre_path, symbols_path=None):
"""
Run a set of C++ unit test programs.
Arguments:
* programs: An iterable containing paths to test programs.
* xre_path: A path to a directory containing a XUL Runtime Environment.
* symbols_path: A path to a directory containing Breakpad-formatted
symbol files for producing stack traces on crash.
Returns True if all test programs exited with a zero status, False
otherwise.
"""
if not os.path.isdir(xre_path):
log.error("xre_path does not exist: %s", xre_path)
return False
#TODO: stick this in a module?
env = dict(os.environ)
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" % (xre_path, os.pathsep, env[pathvar])
else:
env[pathvar] = xre_path
env["MOZILLA_FIVE_HOME"] = xre_path
env["MOZ_XRE_DIR"] = xre_path
#TODO: switch this to just abort once all C++ unit tests have
# been fixed to enable crash reporting
env["XPCOM_DEBUG_BREAK"] = "stack-and-abort"
env["MOZ_CRASHREPORTER_NO_REPORT"] = "1"
env["MOZ_CRASHREPORTER"] = "1"
result = True
for prog in programs:
single_result = run_one_test(prog, env, symbols_path)
result = result and single_result
return result
if __name__ == '__main__':
parser = optparse.OptionParser()
parser.add_option("--xre-path",
action = "store", type = "string", dest = "xre_path",
default = None,
help = "absolute path to directory containing XRE (probably xulrunner)")
parser.add_option("--symbols-path",
action = "store", type = "string", dest = "symbols_path",
default = None,
help = "absolute path to directory containing breakpad symbols, or the URL of a zip file containing symbols")
options, args = parser.parse_args()
if not args:
print >>sys.stderr, """Usage: %s <test binary> [<test binary>...]""" % sys.argv[0]
sys.exit(1)
if not options.xre_path:
print >>sys.stderr, """Error: --xre-path is required"""
sys.exit(1)
progs = [os.path.abspath(p) for p in args]
options.xre_path = os.path.abspath(options.xre_path)
result = run_tests(progs, options.xre_path, options.symbols_path)
sys.exit(0 if result else 1)