tenfourfox/testing/web-platform/harness/wptrunner/executors/executormarionette.py
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

410 lines
15 KiB
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 hashlib
import os
import socket
import sys
import threading
import time
import traceback
import urlparse
import uuid
from collections import defaultdict
marionette = None
here = os.path.join(os.path.split(__file__)[0])
from .base import (ExecutorException,
Protocol,
RefTestExecutor,
RefTestImplementation,
TestExecutor,
TestharnessExecutor,
testharness_result_converter,
reftest_result_converter,
strip_server)
from ..testrunner import Stop
# Extra timeout to use after internal test timeout at which the harness
# should force a timeout
extra_timeout = 5 # seconds
def do_delayed_imports():
global marionette
global errors
try:
import marionette
from marionette import errors
except ImportError:
from marionette_driver import marionette, errors
class MarionetteProtocol(Protocol):
def __init__(self, executor, browser):
do_delayed_imports()
Protocol.__init__(self, executor, browser)
self.marionette = None
self.marionette_port = browser.marionette_port
def setup(self, runner):
"""Connect to browser via Marionette."""
Protocol.setup(self, runner)
self.logger.debug("Connecting to marionette on port %i" % self.marionette_port)
self.marionette = marionette.Marionette(host='localhost', port=self.marionette_port)
# XXX Move this timeout somewhere
self.logger.debug("Waiting for Marionette connection")
while True:
success = self.marionette.wait_for_port(60)
#When running in a debugger wait indefinitely for firefox to start
if success or self.executor.debug_info is None:
break
session_started = False
if success:
try:
self.logger.debug("Starting Marionette session")
self.marionette.start_session()
except Exception as e:
self.logger.warning("Starting marionette session failed: %s" % e)
else:
self.logger.debug("Marionette session started")
session_started = True
if not success or not session_started:
self.logger.warning("Failed to connect to Marionette")
self.executor.runner.send_message("init_failed")
else:
try:
self.after_connect()
except Exception:
self.logger.warning("Post-connection steps failed")
self.logger.error(traceback.format_exc())
self.executor.runner.send_message("init_failed")
else:
self.executor.runner.send_message("init_succeeded")
def teardown(self):
try:
self.marionette.delete_session()
except Exception:
# This is typically because the session never started
pass
del self.marionette
def is_alive(self):
"""Check if the marionette connection is still active"""
try:
# Get a simple property over the connection
self.marionette.current_window_handle
except Exception:
return False
return True
def after_connect(self):
# Turn off debug-level logging by default since this is so verbose
with self.marionette.using_context("chrome"):
self.marionette.execute_script("""
Components.utils.import("resource://gre/modules/Log.jsm");
Log.repository.getLogger("Marionette").level = Log.Level.Info;
""")
self.load_runner("http")
def load_runner(self, protocol):
# Check if we previously had a test window open, and if we did make sure it's closed
self.marionette.execute_script("if (window.wrappedJSObject.win) {window.wrappedJSObject.win.close()}")
url = urlparse.urljoin(self.executor.server_url(protocol), "/testharness_runner.html")
self.logger.debug("Loading %s" % url)
try:
self.marionette.navigate(url)
except Exception as e:
self.logger.critical(
"Loading initial page %s failed. Ensure that the "
"there are no other programs bound to this port and "
"that your firewall rules or network setup does not "
"prevent access.\e%s" % (url, traceback.format_exc(e)))
self.marionette.execute_script(
"document.title = '%s'" % threading.current_thread().name.replace("'", '"'))
def wait(self):
while True:
try:
self.marionette.execute_async_script("");
except errors.ScriptTimeoutException:
pass
except (socket.timeout, IOError):
break
except Exception as e:
self.logger.error(traceback.format_exc(e))
break
def on_environment_change(self, old_environment, new_environment):
#Unset all the old prefs
for name in old_environment.get("prefs", {}).iterkeys():
value = self.executor.original_pref_values[name]
if value is None:
self.clear_user_pref(name)
else:
self.set_pref(name, value)
for name, value in new_environment.get("prefs", {}).iteritems():
self.executor.original_pref_values[name] = self.get_pref(name)
self.set_pref(name, value)
def set_pref(self, name, value):
if value.lower() not in ("true", "false"):
try:
int(value)
except ValueError:
value = "'%s'" % value
else:
value = value.lower()
self.logger.info("Setting pref %s (%s)" % (name, value))
script = """
let prefInterface = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch);
let pref = '%s';
let type = prefInterface.getPrefType(pref);
let value = %s;
switch(type) {
case prefInterface.PREF_STRING:
prefInterface.setCharPref(pref, value);
break;
case prefInterface.PREF_BOOL:
prefInterface.setBoolPref(pref, value);
break;
case prefInterface.PREF_INT:
prefInterface.setIntPref(pref, value);
break;
}
""" % (name, value)
with self.marionette.using_context(self.marionette.CONTEXT_CHROME):
self.marionette.execute_script(script)
def clear_user_pref(self, name):
self.logger.info("Clearing pref %s" % (name))
script = """
let prefInterface = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch);
let pref = '%s';
prefInterface.clearUserPref(pref);
""" % name
with self.marionette.using_context(self.marionette.CONTEXT_CHROME):
self.marionette.execute_script(script)
def get_pref(self, name):
script = """
let prefInterface = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch);
let pref = '%s';
let type = prefInterface.getPrefType(pref);
switch(type) {
case prefInterface.PREF_STRING:
return prefInterface.getCharPref(pref);
case prefInterface.PREF_BOOL:
return prefInterface.getBoolPref(pref);
case prefInterface.PREF_INT:
return prefInterface.getIntPref(pref);
case prefInterface.PREF_INVALID:
return null;
}
""" % name
with self.marionette.using_context(self.marionette.CONTEXT_CHROME):
self.marionette.execute_script(script)
class MarionetteRun(object):
def __init__(self, logger, func, marionette, url, timeout):
self.logger = logger
self.result = None
self.marionette = marionette
self.func = func
self.url = url
self.timeout = timeout
self.result_flag = threading.Event()
def run(self):
timeout = self.timeout
try:
if timeout is not None:
self.marionette.set_script_timeout((timeout + extra_timeout) * 1000)
else:
# We just want it to never time out, really, but marionette doesn't
# make that possible. It also seems to time out immediately if the
# timeout is set too high. This works at least.
self.marionette.set_script_timeout(2**31 - 1)
except IOError:
self.logger.error("Lost marionette connection before starting test")
return Stop
executor = threading.Thread(target = self._run)
executor.start()
if timeout is not None:
wait_timeout = timeout + 2 * extra_timeout
else:
wait_timeout = None
flag = self.result_flag.wait(wait_timeout)
if self.result is None:
self.logger.debug("Timed out waiting for a result")
assert not flag
self.result = False, ("EXTERNAL-TIMEOUT", None)
return self.result
def _run(self):
try:
self.result = True, self.func(self.marionette, self.url, self.timeout)
except errors.ScriptTimeoutException:
self.logger.debug("Got a marionette timeout")
self.result = False, ("EXTERNAL-TIMEOUT", None)
except (socket.timeout, IOError):
# This can happen on a crash
# Also, should check after the test if the firefox process is still running
# and otherwise ignore any other result and set it to crash
self.result = False, ("CRASH", None)
except Exception as e:
message = getattr(e, "message", "")
if message:
message += "\n"
message += traceback.format_exc(e)
self.result = False, ("ERROR", e)
finally:
self.result_flag.set()
class MarionetteTestharnessExecutor(TestharnessExecutor):
def __init__(self, browser, server_config, timeout_multiplier=1, close_after_done=True,
debug_info=None):
"""Marionette-based executor for testharness.js tests"""
TestharnessExecutor.__init__(self, browser, server_config,
timeout_multiplier=timeout_multiplier,
debug_info=debug_info)
self.protocol = MarionetteProtocol(self, browser)
self.script = open(os.path.join(here, "testharness_marionette.js")).read()
self.close_after_done = close_after_done
self.window_id = str(uuid.uuid4())
self.original_pref_values = {}
if marionette is None:
do_delayed_imports()
def is_alive(self):
return self.protocol.is_alive()
def on_environment_change(self, new_environment):
self.protocol.on_environment_change(self.last_environment, new_environment)
if new_environment["protocol"] != self.last_environment["protocol"]:
self.protocol.load_runner(new_environment["protocol"])
def do_test(self, test):
timeout = (test.timeout * self.timeout_multiplier if self.debug_info is None
else None)
success, data = MarionetteRun(self.logger,
self.do_testharness,
self.protocol.marionette,
self.test_url(test),
timeout).run()
if success:
return self.convert_result(test, data)
return (test.result_cls(*data), [])
def do_testharness(self, marionette, url, timeout):
if self.close_after_done:
marionette.execute_script("if (window.wrappedJSObject.win) {window.wrappedJSObject.win.close()}")
if timeout is not None:
timeout_ms = str(timeout * 1000)
else:
timeout_ms = "null"
script = self.script % {"abs_url": url,
"url": strip_server(url),
"window_id": self.window_id,
"timeout_multiplier": self.timeout_multiplier,
"timeout": timeout_ms,
"explicit_timeout": timeout is None}
return marionette.execute_async_script(script, new_sandbox=False)
class MarionetteRefTestExecutor(RefTestExecutor):
def __init__(self, browser, server_config, timeout_multiplier=1,
screenshot_cache=None, close_after_done=True, debug_info=None):
"""Marionette-based executor for reftests"""
RefTestExecutor.__init__(self,
browser,
server_config,
screenshot_cache=screenshot_cache,
timeout_multiplier=timeout_multiplier,
debug_info=debug_info)
self.protocol = MarionetteProtocol(self, browser)
self.implementation = RefTestImplementation(self)
self.close_after_done = close_after_done
self.has_window = False
self.original_pref_values = {}
with open(os.path.join(here, "reftest.js")) as f:
self.script = f.read()
with open(os.path.join(here, "reftest-wait.js")) as f:
self.wait_script = f.read()
def is_alive(self):
return self.protocol.is_alive()
def on_environment_change(self, new_environment):
self.protocol.on_environment_change(self.last_environment, new_environment)
def do_test(self, test):
if self.close_after_done and self.has_window:
self.protocol.marionette.close()
self.protocol.marionette.switch_to_window(
self.protocol.marionette.window_handles[-1])
self.has_window = False
if not self.has_window:
self.protocol.marionette.execute_script(self.script)
self.protocol.marionette.switch_to_window(self.protocol.marionette.window_handles[-1])
self.has_window = True
result = self.implementation.run_test(test)
return self.convert_result(test, result)
def screenshot(self, test):
timeout = self.timeout_multiplier * test.timeout if self.debug_info is None else None
test_url = self.test_url(test)
return MarionetteRun(self.logger,
self._screenshot,
self.protocol.marionette,
test_url,
timeout).run()
def _screenshot(self, marionette, url, timeout):
marionette.navigate(url)
marionette.execute_async_script(self.wait_script)
screenshot = marionette.screenshot()
# strip off the data:img/png, part of the url
if screenshot.startswith("data:image/png;base64,"):
screenshot = screenshot.split(",", 1)[1]
return screenshot