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Diffstat (limited to 'testing/runcppunittests.py')
| -rwxr-xr-x | testing/runcppunittests.py | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/testing/runcppunittests.py b/testing/runcppunittests.py new file mode 100755 index 0000000000..52bad7415c --- /dev/null +++ b/testing/runcppunittests.py @@ -0,0 +1,375 @@ +#!/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 os +import sys +from optparse import OptionParser +from os import environ as env + +import manifestparser +import mozcrash +import mozfile +import mozinfo +import mozlog +import mozprocess +import mozrunner.utils + +SCRIPT_DIR = os.path.abspath(os.path.realpath(os.path.dirname(__file__))) + +# Export directory js/src for tests that need it. +env["CPP_UNIT_TESTS_DIR_JS_SRC"] = os.path.abspath(os.path.join(SCRIPT_DIR, "..", "..")) + + +class CPPUnitTests(object): + # Time (seconds) to wait for test process to complete + TEST_PROC_TIMEOUT = 900 + # Time (seconds) in which process will be killed if it produces no output. + TEST_PROC_NO_OUTPUT_TIMEOUT = 300 + + def run_one_test( + self, prog, env, symbols_path=None, interactive=False, timeout_factor=1 + ): + """ + 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. + * timeout_factor: An optional test-specific timeout multiplier. + + Return True if the program exits with a zero status, False otherwise. + """ + basename = os.path.basename(prog) + self.log.test_start(basename) + with mozfile.TemporaryDirectory() as tempdir: + if interactive: + # For tests run locally, via mach, print output directly + proc = mozprocess.ProcessHandler( + [prog], + cwd=tempdir, + env=env, + storeOutput=False, + universal_newlines=True, + ) + else: + proc = mozprocess.ProcessHandler( + [prog], + cwd=tempdir, + env=env, + storeOutput=True, + processOutputLine=lambda _: None, + universal_newlines=True, + ) + # 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. + test_timeout = CPPUnitTests.TEST_PROC_TIMEOUT * timeout_factor + proc.run( + timeout=test_timeout, + outputTimeout=CPPUnitTests.TEST_PROC_NO_OUTPUT_TIMEOUT, + ) + proc.wait() + if proc.output: + if self.fix_stack: + procOutput = [self.fix_stack(l) for l in proc.output] + else: + procOutput = proc.output + + output = "\n%s" % "\n".join(procOutput) + self.log.process_output(proc.pid, output, command=[prog]) + if proc.timedOut: + message = "timed out after %d seconds" % CPPUnitTests.TEST_PROC_TIMEOUT + self.log.test_end( + basename, status="TIMEOUT", expected="PASS", message=message + ) + return False + if mozcrash.check_for_crashes(tempdir, symbols_path, test_name=basename): + self.log.test_end(basename, status="CRASH", expected="PASS") + return False + result = proc.proc.returncode == 0 + if not result: + self.log.test_end( + basename, + status="FAIL", + expected="PASS", + message=("test failed with return code %d" % proc.proc.returncode), + ) + else: + self.log.test_end(basename, status="PASS", expected="PASS") + return result + + def build_core_environment(self, env): + """ + Add environment variables likely to be used across all platforms, including remote systems. + """ + env["MOZ_XRE_DIR"] = self.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" + 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 = "" + libpath = self.xre_path + if mozinfo.os == "linux": + pathvar = "LD_LIBRARY_PATH" + elif mozinfo.os == "mac": + applibpath = os.path.join(os.path.dirname(libpath), "MacOS") + if os.path.exists(applibpath): + # Set the library load path to Contents/MacOS if we're run from + # the app bundle. + libpath = applibpath + pathvar = "DYLD_LIBRARY_PATH" + elif mozinfo.os == "win": + pathvar = "PATH" + if pathvar: + if pathvar in env: + env[pathvar] = "%s%s%s" % (libpath, os.pathsep, env[pathvar]) + else: + env[pathvar] = libpath + + symbolizer_path = None + if mozinfo.info["asan"]: + symbolizer_path = "ASAN_SYMBOLIZER_PATH" + elif mozinfo.info["tsan"]: + symbolizer_path = "TSAN_SYMBOLIZER_PATH" + + if symbolizer_path is not None: + # Use llvm-symbolizer for ASan/TSan if available/required + if symbolizer_path in env and os.path.isfile(env[symbolizer_path]): + llvmsym = env[symbolizer_path] + else: + llvmsym = os.path.join( + self.xre_path, "llvm-symbolizer" + mozinfo.info["bin_suffix"] + ) + if os.path.isfile(llvmsym): + env[symbolizer_path] = llvmsym + self.log.info("Using LLVM symbolizer at %s" % llvmsym) + else: + self.log.info("Failed to find LLVM symbolizer at %s" % llvmsym) + + return env + + def run_tests( + self, + programs, + xre_path, + symbols_path=None, + utility_path=None, + interactive=False, + ): + """ + Run a set of C++ unit test programs. + + Arguments: + * programs: An iterable containing (test path, test timeout factor) tuples + * 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. + * utility_path: A path to a directory containing utility programs + (xpcshell et al) + + Returns True if all test programs exited with a zero status, False + otherwise. + """ + self.xre_path = xre_path + self.log = mozlog.get_default_logger() + if utility_path: + self.fix_stack = mozrunner.utils.get_stack_fixer_function( + utility_path, symbols_path + ) + self.log.suite_start(programs, name="cppunittest") + env = self.build_environment() + pass_count = 0 + fail_count = 0 + for prog in programs: + test_path = prog[0] + timeout_factor = prog[1] + single_result = self.run_one_test( + test_path, env, symbols_path, interactive, timeout_factor + ) + if single_result: + pass_count += 1 + else: + fail_count += 1 + self.log.suite_end() + + # Mozharness-parseable summary formatting. + self.log.info("Result summary:") + self.log.info("cppunittests INFO | Passed: %d" % pass_count) + self.log.info("cppunittests INFO | Failed: %d" % fail_count) + return fail_count == 0 + + +class CPPUnittestOptions(OptionParser): + def __init__(self): + OptionParser.__init__(self) + self.add_option( + "--xre-path", + action="store", + type="string", + dest="xre_path", + default=None, + help="absolute path to directory containing XRE (probably xulrunner)", + ) + self.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", + ) + self.add_option( + "--manifest-path", + action="store", + type="string", + dest="manifest_path", + default=None, + help="path to test manifest, if different from the path to test binaries", + ) + self.add_option( + "--utility-path", + action="store", + type="string", + dest="utility_path", + default=None, + help="path to directory containing utility programs", + ) + + +def extract_unittests_from_args(args, environ, manifest_path): + """Extract unittests from args, expanding directories as needed""" + mp = manifestparser.TestManifest(strict=True) + tests = [] + binary_path = None + + if manifest_path: + mp.read(manifest_path) + binary_path = os.path.abspath(args[0]) + else: + for p in args: + if os.path.isdir(p): + try: + mp.read(os.path.join(p, "cppunittest.ini")) + except IOError: + files = [os.path.abspath(os.path.join(p, x)) for x in os.listdir(p)] + tests.extend( + (f, 1) for f in files if os.access(f, os.R_OK | os.X_OK) + ) + else: + tests.append((os.path.abspath(p), 1)) + + # We don't use the manifest parser's existence-check only because it will + # fail on Windows due to the `.exe` suffix. + active_tests = mp.active_tests(exists=False, disabled=False, **environ) + suffix = ".exe" if mozinfo.isWin else "" + if binary_path: + tests.extend( + [ + ( + os.path.join(binary_path, test["relpath"] + suffix), + int(test.get("requesttimeoutfactor", 1)), + ) + for test in active_tests + ] + ) + else: + tests.extend( + [ + (test["path"] + suffix, int(test.get("requesttimeoutfactor", 1))) + for test in active_tests + ] + ) + + # Manually confirm that all tests named in the manifest exist. + errors = False + log = mozlog.get_default_logger() + for test in tests: + if not os.path.isfile(test[0]): + errors = True + log.error("test file not found: %s" % test[0]) + + if errors: + raise RuntimeError("One or more cppunittests not found; aborting.") + + return tests + + +def update_mozinfo(): + """walk up directories to find mozinfo.json update the info""" + path = SCRIPT_DIR + 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 run_test_harness(options, args): + update_mozinfo() + progs = extract_unittests_from_args(args, mozinfo.info, options.manifest_path) + options.xre_path = os.path.abspath(options.xre_path) + options.utility_path = os.path.abspath(options.utility_path) + tester = CPPUnitTests() + result = tester.run_tests( + progs, + options.xre_path, + options.symbols_path, + options.utility_path, + ) + + return result + + +def main(): + parser = CPPUnittestOptions() + mozlog.commandline.add_logging_group(parser) + options, args = parser.parse_args() + if not args: + print( + """Usage: %s <test binary> [<test binary>...]""" % sys.argv[0], + file=sys.stderr, + ) + sys.exit(1) + if not options.xre_path: + print("""Error: --xre-path is required""", file=sys.stderr) + sys.exit(1) + if options.manifest_path and len(args) > 1: + print( + "Error: multiple arguments not supported with --test-manifest", + file=sys.stderr, + ) + sys.exit(1) + log = mozlog.commandline.setup_logging( + "cppunittests", options, {"tbpl": sys.stdout} + ) + try: + result = run_test_harness(options, args) + except Exception as e: + log.error(str(e)) + result = False + + sys.exit(0 if result else 1) + + +if __name__ == "__main__": + main() |