# Copyright (C) 2010 Google Inc. All rights reserved. # Copyright (C) 2013 Apple Inc. All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above # copyright notice, this list of conditions and the following disclaimer # in the documentation and/or other materials provided with the # distribution. # * Neither the Google name nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. import atexit import os import logging import re import sys import time from webkitpy.common.system.crashlogs import CrashLogs from webkitpy.common.system.systemhost import SystemHost from webkitpy.common.system.executive import ScriptError, Executive from webkitpy.common.system.path import abspath_to_uri, cygpath from webkitpy.port.apple import ApplePort _log = logging.getLogger(__name__) class WinPort(ApplePort): port_name = "win" VERSION_FALLBACK_ORDER = ["win-xp", "win-vista", "win-7sp0", "win"] ARCHITECTURES = ['x86'] CRASH_LOG_PREFIX = "CrashLog" POST_MORTEM_DEBUGGER_KEY = "/HKLM/SOFTWARE/Microsoft/Windows NT/CurrentVersion/AeDebug/%s" previous_debugger_values = {} def do_text_results_differ(self, expected_text, actual_text): # Sanity was restored in WK2, so we don't need this hack there. if self.get_option('webkit_test_runner'): return ApplePort.do_text_results_differ(self, expected_text, actual_text) # This is a hack (which dates back to ORWT). # Windows does not have an EDITING DELEGATE, so we strip any EDITING DELEGATE # messages to make more of the tests pass. # It's possible more of the ports might want this and this could move down into WebKitPort. delegate_regexp = re.compile("^EDITING DELEGATE: .*?\n", re.MULTILINE) expected_text = delegate_regexp.sub("", expected_text) actual_text = delegate_regexp.sub("", actual_text) return expected_text != actual_text def default_baseline_search_path(self): name = self._name.replace('-wk2', '') if name.endswith(self.FUTURE_VERSION): fallback_names = [self.port_name] else: fallback_names = self.VERSION_FALLBACK_ORDER[self.VERSION_FALLBACK_ORDER.index(name):-1] + [self.port_name] # FIXME: The AppleWin port falls back to AppleMac for some results. Eventually we'll have a shared 'apple' port. if self.get_option('webkit_test_runner'): fallback_names.insert(0, 'win-wk2') fallback_names.append('mac-wk2') # Note we do not add 'wk2' here, even though it's included in _skipped_search_paths(). # FIXME: Perhaps we should get this list from MacPort? fallback_names.extend(['mac-lion', 'mac']) return map(self._webkit_baseline_path, fallback_names) def operating_system(self): return 'win' def show_results_html_file(self, results_filename): self._run_script('run-safari', [abspath_to_uri(SystemHost().platform, results_filename)]) # FIXME: webkitperl/httpd.pm installs /usr/lib/apache/libphp4.dll on cycwin automatically # as part of running old-run-webkit-tests. That's bad design, but we may need some similar hack. # We might use setup_environ_for_server for such a hack (or modify apache_http_server.py). def _runtime_feature_list(self): supported_features_command = [self._path_to_driver(), '--print-supported-features'] try: output = self._executive.run_command(supported_features_command, error_handler=Executive.ignore_error) except OSError, e: _log.warn("Exception running driver: %s, %s. Driver must be built before calling WebKitPort.test_expectations()." % (supported_features_command, e)) return None # Note: win/DumpRenderTree.cpp does not print a leading space before the features_string. match_object = re.match("SupportedFeatures:\s*(?P.*)\s*", output) if not match_object: return None return match_object.group('features_string').split(' ') # Note: These are based on the stock Cygwin locations for these files. def _uses_apache(self): return False def _path_to_lighttpd(self): return "/usr/sbin/lighttpd" def _path_to_lighttpd_modules(self): return "/usr/lib/lighttpd" def _path_to_lighttpd_php(self): return "/usr/bin/php-cgi" def _driver_tempdir_for_environment(self): return cygpath(self._driver_tempdir()) def test_search_path(self): test_fallback_names = [path for path in self.baseline_search_path() if not path.startswith(self._webkit_baseline_path('mac'))] return map(self._webkit_baseline_path, test_fallback_names) def _ntsd_location(self): possible_paths = [self._filesystem.join(os.environ['PROGRAMFILES'], "Windows Kits", "8.0", "Debuggers", "x86", "ntsd.exe"), self._filesystem.join(os.environ['PROGRAMFILES'], "Windows Kits", "8.0", "Debuggers", "x64", "ntsd.exe"), self._filesystem.join(os.environ['PROGRAMFILES'], "Debugging Tools for Windows (x86)", "ntsd.exe"), self._filesystem.join(os.environ['ProgramW6432'], "Debugging Tools for Windows (x64)", "ntsd.exe"), self._filesystem.join(os.environ['SYSTEMROOT'], "system32", "ntsd.exe")] for path in possible_paths: expanded_path = self._filesystem.expanduser(path) if self._filesystem.exists(expanded_path): _log.debug("Using ntsd located in '%s'" % path) return expanded_path return None def create_debugger_command_file(self): debugger_temp_directory = str(self._filesystem.mkdtemp()) command_file = self._filesystem.join(debugger_temp_directory, "debugger-commands.txt") commands = ''.join(['.logopen /t "%s\\%s.txt"\n' % (cygpath(self.results_directory()), self.CRASH_LOG_PREFIX), '.srcpath "%s"\n' % cygpath(self._webkit_finder.webkit_base()), '!analyze -vv\n', '~*kpn\n', 'q\n']) self._filesystem.write_text_file(command_file, commands) return command_file def read_registry_string(self, key): registry_key = self.POST_MORTEM_DEBUGGER_KEY % key read_registry_command = ["regtool", "--wow32", "get", registry_key] value = self._executive.run_command(read_registry_command, error_handler=Executive.ignore_error) return value.rstrip() def write_registry_string(self, key, value): registry_key = self.POST_MORTEM_DEBUGGER_KEY % key set_reg_value_command = ["regtool", "--wow32", "set", "-s", str(registry_key), str(value)] rc = self._executive.run_command(set_reg_value_command, return_exit_code=True) if rc == 2: add_reg_value_command = ["regtool", "--wow32", "add", "-s", str(registry_key)] rc = self._executive.run_command(add_reg_value_command, return_exit_code=True) if rc == 0: rc = self._executive.run_command(set_reg_value_command, return_exit_code=True) if rc: _log.warn("Error setting key: %s to value %s. Error=%ld." % (key, value, rc)) return False # On Windows Vista/7 with UAC enabled, regtool will fail to modify the registry, but will still # return a successful exit code. So we double-check here that the value we tried to write to the # registry was really written. if self.read_registry_string(key) != value: _log.warn("Regtool reported success, but value of key %s did not change." % key) return False return True def setup_crash_log_saving(self): if '_NT_SYMBOL_PATH' not in os.environ: _log.warning("The _NT_SYMBOL_PATH environment variable is not set. Crash logs will not be saved.") return None ntsd_path = self._ntsd_location() if not ntsd_path: _log.warning("Can't find ntsd.exe. Crash logs will not be saved.") return None # If we used -c (instead of -cf) we could pass the commands directly on the command line. But # when the commands include multiple quoted paths (e.g., for .logopen and .srcpath), Windows # fails to invoke the post-mortem debugger at all (perhaps due to a bug in Windows's command # line parsing). So we save the commands to a file instead and tell the debugger to execute them # using -cf. command_file = self.create_debugger_command_file() if not command_file: return None debugger_options = '"{0}" -p %ld -e %ld -g -noio -lines -cf "{1}"'.format(cygpath(ntsd_path), cygpath(command_file)) registry_settings = {'Debugger': debugger_options, 'Auto': "1"} for key in registry_settings: self.previous_debugger_values[key] = self.read_registry_string(key) self.write_registry_string(key, registry_settings[key]) def restore_crash_log_saving(self): for key in self.previous_debugger_values: self.write_registry_string(key, self.previous_debugger_values[key]) def setup_test_run(self): atexit.register(self.restore_crash_log_saving) self.setup_crash_log_saving() super(WinPort, self).setup_test_run() def clean_up_test_run(self): self.restore_crash_log_saving() super(WinPort, self).clean_up_test_run() def _get_crash_log(self, name, pid, stdout, stderr, newer_than, time_fn=None, sleep_fn=None, wait_for_log=True): # Note that we do slow-spin here and wait, since it appears the time # ReportCrash takes to actually write and flush the file varies when there are # lots of simultaneous crashes going on. # FIXME: Should most of this be moved into CrashLogs()? time_fn = time_fn or time.time sleep_fn = sleep_fn or time.sleep crash_log = '' crash_logs = CrashLogs(self.host, self.results_directory()) now = time_fn() # FIXME: delete this after we're sure this code is working ... _log.debug('looking for crash log for %s:%s' % (name, str(pid))) deadline = now + 5 * int(self.get_option('child_processes', 1)) while not crash_log and now <= deadline: # If the system_pid hasn't been determined yet, just try with the passed in pid. We'll be checking again later system_pid = self._executive.pid_to_system_pid.get(pid) if system_pid == None: break # We haven't mapped cygwin pid->win pid yet crash_log = crash_logs.find_newest_log(name, system_pid, include_errors=True, newer_than=newer_than) if not wait_for_log: break if not crash_log or not [line for line in crash_log.splitlines() if line.startswith('quit:')]: sleep_fn(0.1) now = time_fn() if not crash_log: return (stderr, None) return (stderr, crash_log) def look_for_new_crash_logs(self, crashed_processes, start_time): """Since crash logs can take a long time to be written out if the system is under stress do a second pass at the end of the test run. crashes: test_name -> pid, process_name tuple of crashed process start_time: time the tests started at. We're looking for crash logs after that time. """ crash_logs = {} for (test_name, process_name, pid) in crashed_processes: # Passing None for output. This is a second pass after the test finished so # if the output had any logging we would have already collected it. crash_log = self._get_crash_log(process_name, pid, None, None, start_time, wait_for_log=False)[1] if crash_log: crash_logs[test_name] = crash_log return crash_logs def find_system_pid(self, name, pid): system_pid = int(pid) # Windows and Cygwin PIDs are not the same. We need to find the Windows # PID for our Cygwin process so we can match it later to any crash # files we end up creating (which will be tagged with the Windows PID) ps_process = self._executive.run_command(['ps', '-e'], error_handler=Executive.ignore_error) for line in ps_process.splitlines(): tokens = line.strip().split() try: cpid, ppid, pgid, winpid, tty, uid, stime, process_name = tokens if process_name.endswith(name): self._executive.pid_to_system_pid[int(cpid)] = int(winpid) if int(pid) == int(cpid): system_pid = int(winpid) break except ValueError, e: pass return system_pid