зеркало из https://github.com/mozilla/gecko-dev.git
239 строки
6.9 KiB
Python
239 строки
6.9 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 abc
|
|
import errno
|
|
import os
|
|
import platform
|
|
import socket
|
|
import threading
|
|
import time
|
|
import traceback
|
|
import urlparse
|
|
|
|
import mozprocess
|
|
|
|
|
|
__all__ = ["SeleniumServer", "ChromeDriverServer",
|
|
"GeckoDriverServer", "ServoDriverServer",
|
|
"WebDriverServer"]
|
|
|
|
|
|
class WebDriverServer(object):
|
|
__metaclass__ = abc.ABCMeta
|
|
|
|
default_base_path = "/"
|
|
_used_ports = set()
|
|
|
|
def __init__(self, logger, binary, host="127.0.0.1", port=None,
|
|
base_path="", env=None):
|
|
self.logger = logger
|
|
self.binary = binary
|
|
self.host = host
|
|
if base_path == "":
|
|
self.base_path = self.default_base_path
|
|
else:
|
|
self.base_path = base_path
|
|
self.env = os.environ.copy() if env is None else env
|
|
|
|
self._port = port
|
|
self._cmd = None
|
|
self._proc = None
|
|
|
|
@abc.abstractmethod
|
|
def make_command(self):
|
|
"""Returns the full command for starting the server process as a list."""
|
|
|
|
def start(self, block=False):
|
|
try:
|
|
self._run(block)
|
|
except KeyboardInterrupt:
|
|
self.stop()
|
|
|
|
def _run(self, block):
|
|
self._cmd = self.make_command()
|
|
self._proc = mozprocess.ProcessHandler(
|
|
self._cmd,
|
|
processOutputLine=self.on_output,
|
|
env=self.env,
|
|
storeOutput=False)
|
|
|
|
try:
|
|
self._proc.run()
|
|
except OSError as e:
|
|
if e.errno == errno.ENOENT:
|
|
raise IOError(
|
|
"WebDriver HTTP server executable not found: %s" % self.binary)
|
|
raise
|
|
|
|
self.logger.debug(
|
|
"Waiting for server to become accessible: %s" % self.url)
|
|
try:
|
|
wait_for_service((self.host, self.port))
|
|
except:
|
|
self.logger.error(
|
|
"WebDriver HTTP server was not accessible "
|
|
"within the timeout:\n%s" % traceback.format_exc())
|
|
raise
|
|
|
|
if block:
|
|
self._proc.wait()
|
|
|
|
def stop(self):
|
|
if self.is_alive:
|
|
return self._proc.kill()
|
|
return not self.is_alive
|
|
|
|
@property
|
|
def is_alive(self):
|
|
return hasattr(self._proc, "proc") and self._proc.poll() is None
|
|
|
|
def on_output(self, line):
|
|
self.logger.process_output(self.pid,
|
|
line.decode("utf8", "replace"),
|
|
command=" ".join(self._cmd))
|
|
|
|
@property
|
|
def pid(self):
|
|
if self._proc is not None:
|
|
return self._proc.pid
|
|
|
|
@property
|
|
def url(self):
|
|
return "http://%s:%i%s" % (self.host, self.port, self.base_path)
|
|
|
|
@property
|
|
def port(self):
|
|
if self._port is None:
|
|
self._port = self._find_next_free_port()
|
|
return self._port
|
|
|
|
@staticmethod
|
|
def _find_next_free_port():
|
|
port = get_free_port(4444, exclude=WebDriverServer._used_ports)
|
|
WebDriverServer._used_ports.add(port)
|
|
return port
|
|
|
|
|
|
class SeleniumServer(WebDriverServer):
|
|
default_base_path = "/wd/hub"
|
|
|
|
def make_command(self):
|
|
return ["java", "-jar", self.binary, "-port", str(self.port)]
|
|
|
|
|
|
class ChromeDriverServer(WebDriverServer):
|
|
default_base_path = "/wd/hub"
|
|
|
|
def __init__(self, logger, binary="chromedriver", port=None,
|
|
base_path=""):
|
|
WebDriverServer.__init__(
|
|
self, logger, binary, port=port, base_path=base_path)
|
|
|
|
def make_command(self):
|
|
return [self.binary,
|
|
cmd_arg("port", str(self.port)),
|
|
cmd_arg("url-base", self.base_path) if self.base_path else ""]
|
|
|
|
|
|
class EdgeDriverServer(WebDriverServer):
|
|
def __init__(self, logger, binary="MicrosoftWebDriver.exe", port=None,
|
|
base_path="", host="localhost"):
|
|
WebDriverServer.__init__(
|
|
self, logger, binary, host=host, port=port)
|
|
|
|
def make_command(self):
|
|
return [self.binary,
|
|
"--port=%s" % str(self.port)]
|
|
|
|
|
|
class GeckoDriverServer(WebDriverServer):
|
|
def __init__(self, logger, marionette_port=2828, binary="wires",
|
|
host="127.0.0.1", port=None):
|
|
env = os.environ.copy()
|
|
env["RUST_BACKTRACE"] = "1"
|
|
WebDriverServer.__init__(self, logger, binary, host=host, port=port, env=env)
|
|
self.marionette_port = marionette_port
|
|
|
|
def make_command(self):
|
|
return [self.binary,
|
|
"--connect-existing",
|
|
"--marionette-port", str(self.marionette_port),
|
|
"--host", self.host,
|
|
"--port", str(self.port)]
|
|
|
|
|
|
class ServoDriverServer(WebDriverServer):
|
|
def __init__(self, logger, binary="servo", binary_args=None, host="127.0.0.1", port=None, render_backend=None):
|
|
env = os.environ.copy()
|
|
env["RUST_BACKTRACE"] = "1"
|
|
WebDriverServer.__init__(self, logger, binary, host=host, port=port, env=env)
|
|
self.binary_args = binary_args
|
|
self.render_backend = render_backend
|
|
|
|
def make_command(self):
|
|
command = [self.binary,
|
|
"--webdriver", str(self.port),
|
|
"--hard-fail",
|
|
"--headless"]
|
|
if self.binary_args:
|
|
command += self.binary_args
|
|
if self.render_backend == "cpu":
|
|
command += ["--cpu"]
|
|
elif self.render_backend == "webrender":
|
|
command += ["--webrender"]
|
|
return command
|
|
|
|
|
|
def cmd_arg(name, value=None):
|
|
prefix = "-" if platform.system() == "Windows" else "--"
|
|
rv = prefix + name
|
|
if value is not None:
|
|
rv += "=" + value
|
|
return rv
|
|
|
|
|
|
def get_free_port(start_port, exclude=None):
|
|
"""Get the first port number after start_port (inclusive) that is
|
|
not currently bound.
|
|
|
|
:param start_port: Integer port number at which to start testing.
|
|
:param exclude: Set of port numbers to skip"""
|
|
port = start_port
|
|
while True:
|
|
if exclude and port in exclude:
|
|
port += 1
|
|
continue
|
|
s = socket.socket()
|
|
try:
|
|
s.bind(("127.0.0.1", port))
|
|
except socket.error:
|
|
port += 1
|
|
else:
|
|
return port
|
|
finally:
|
|
s.close()
|
|
|
|
|
|
def wait_for_service(addr, timeout=15):
|
|
"""Waits until network service given as a tuple of (host, port) becomes
|
|
available or the `timeout` duration is reached, at which point
|
|
``socket.error`` is raised."""
|
|
end = time.time() + timeout
|
|
while end > time.time():
|
|
so = socket.socket()
|
|
try:
|
|
so.connect(addr)
|
|
except socket.timeout:
|
|
pass
|
|
except socket.error as e:
|
|
if e[0] != errno.ECONNREFUSED:
|
|
raise
|
|
else:
|
|
return True
|
|
finally:
|
|
so.close()
|
|
time.sleep(0.5)
|
|
raise socket.error("Service is unavailable: %s:%i" % addr)
|