Put a copy of the wptrunner harness in-tree.

This is the same configuration as gecko and is convenient for making changes compared
to using releases from pypi

tests/wpt/harness/wptrunner/executors/executorselenium.py

@@ -0,0 +1,267 @@
+# 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 socket
+import sys
+import threading
+import time
+import traceback
+import urlparse
+import uuid
+
+from .base import (ExecutorException,
+                   Protocol,
+                   RefTestExecutor,
+                   RefTestImplementation,
+                   TestExecutor,
+                   TestharnessExecutor,
+                   testharness_result_converter,
+                   reftest_result_converter,
+                   strip_server)
+from ..testrunner import Stop
+
+
+here = os.path.join(os.path.split(__file__)[0])
+
+webdriver = None
+exceptions = None
+
+extra_timeout = 5
+
+def do_delayed_imports():
+    global webdriver
+    global exceptions
+    from selenium import webdriver
+    from selenium.common import exceptions
+
+
+class SeleniumProtocol(Protocol):
+    def __init__(self, executor, browser, capabilities, **kwargs):
+        do_delayed_imports()
+
+        Protocol.__init__(self, executor, browser)
+        self.capabilities = capabilities
+        self.url = browser.webdriver_url
+        self.webdriver = None
+
+    def setup(self, runner):
+        """Connect to browser via Selenium's WebDriver implementation."""
+        self.runner = runner
+        self.logger.debug("Connecting to Selenium on URL: %s" % self.url)
+
+        session_started = False
+        try:
+            self.webdriver = webdriver.Remote(
+                self.url, desired_capabilities=self.capabilities)
+        except:
+            self.logger.warning(
+                "Connecting to Selenium failed:\n%s" % traceback.format_exc())
+        else:
+            self.logger.debug("Selenium session started")
+            session_started = True
+
+        if not session_started:
+            self.logger.warning("Failed to connect to Selenium")
+            self.executor.runner.send_message("init_failed")
+        else:
+            try:
+                self.after_connect()
+            except:
+                print >> sys.stderr, traceback.format_exc()
+                self.logger.warning(
+                    "Failed to connect to navigate initial page")
+                self.executor.runner.send_message("init_failed")
+            else:
+                self.executor.runner.send_message("init_succeeded")
+
+    def teardown(self):
+        self.logger.debug("Hanging up on Selenium session")
+        try:
+            self.webdriver.quit()
+        except:
+            pass
+        del self.webdriver
+
+    def is_alive(self):
+        try:
+            # Get a simple property over the connection
+            self.webdriver.current_window_handle
+        # TODO what exception?
+        except (socket.timeout, exceptions.ErrorInResponseException):
+            return False
+        return True
+
+    def after_connect(self):
+        self.load_runner("http")
+
+    def load_runner(self, protocol):
+        url = urlparse.urljoin(self.executor.server_url(protocol),
+                               "/testharness_runner.html")
+        self.logger.debug("Loading %s" % url)
+        self.webdriver.get(url)
+        self.webdriver.execute_script("document.title = '%s'" %
+                                      threading.current_thread().name.replace("'", '"'))
+
+    def wait(self):
+        while True:
+            try:
+                self.webdriver.execute_async_script("");
+            except exceptions.TimeoutException:
+                pass
+            except (socket.timeout, exceptions.NoSuchWindowException,
+                    exceptions.ErrorInResponseException, IOError):
+                break
+            except Exception as e:
+                self.logger.error(traceback.format_exc(e))
+                break
+
+
+class SeleniumRun(object):
+    def __init__(self, func, webdriver, url, timeout):
+        self.func = func
+        self.result = None
+        self.webdriver = webdriver
+        self.url = url
+        self.timeout = timeout
+        self.result_flag = threading.Event()
+
+    def run(self):
+        timeout = self.timeout
+
+        try:
+            self.webdriver.set_script_timeout((timeout + extra_timeout) * 1000)
+        except exceptions.ErrorInResponseException:
+            self.logger.error("Lost webdriver connection")
+            return Stop
+
+        executor = threading.Thread(target=self._run)
+        executor.start()
+
+        flag = self.result_flag.wait(timeout + 2 * extra_timeout)
+        if self.result is None:
+            assert not flag
+            self.result = False, ("EXTERNAL-TIMEOUT", None)
+
+        return self.result
+
+    def _run(self):
+        try:
+            self.result = True, self.func(self.webdriver, self.url, self.timeout)
+        except exceptions.TimeoutException:
+            self.result = False, ("EXTERNAL-TIMEOUT", None)
+        except (socket.timeout, exceptions.ErrorInResponseException):
+            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 SeleniumTestharnessExecutor(TestharnessExecutor):
+    def __init__(self, browser, server_config, timeout_multiplier=1,
+                 close_after_done=True, capabilities=None, debug_args=None):
+        """Selenium-based executor for testharness.js tests"""
+        TestharnessExecutor.__init__(self, browser, server_config,
+                                     timeout_multiplier=timeout_multiplier,
+                                     debug_args=debug_args)
+        self.protocol = SeleniumProtocol(self, browser, capabilities)
+        with open(os.path.join(here, "testharness_webdriver.js")) as f:
+            self.script = f.read()
+        self.close_after_done = close_after_done
+        self.window_id = str(uuid.uuid4())
+
+    def is_alive(self):
+        return self.protocol.is_alive()
+
+    def on_protocol_change(self, new_protocol):
+        self.protocol.load_runner(new_protocol)
+
+    def do_test(self, test):
+        url = self.test_url(test)
+
+        success, data = SeleniumRun(self.do_testharness,
+                                    self.protocol.webdriver,
+                                    url,
+                                    test.timeout * self.timeout_multiplier).run()
+
+        if success:
+            return self.convert_result(test, data)
+
+        return (test.result_cls(*data), [])
+
+    def do_testharness(self, webdriver, url, timeout):
+        return webdriver.execute_async_script(
+            self.script % {"abs_url": url,
+                           "url": strip_server(url),
+                           "window_id": self.window_id,
+                           "timeout_multiplier": self.timeout_multiplier,
+                           "timeout": timeout * 1000})
+
+class SeleniumRefTestExecutor(RefTestExecutor):
+    def __init__(self, browser, server_config, timeout_multiplier=1,
+                 screenshot_cache=None, close_after_done=True,
+                 debug_args=None, capabilities=None):
+        """Selenium WebDriver-based executor for reftests"""
+        RefTestExecutor.__init__(self,
+                                 browser,
+                                 server_config,
+                                 screenshot_cache=screenshot_cache,
+                                 timeout_multiplier=timeout_multiplier,
+                                 debug_args=debug_args)
+        self.protocol = SeleniumProtocol(self, browser,
+                                         capabilities=capabilities)
+        self.implementation = RefTestImplementation(self)
+        self.close_after_done = close_after_done
+        self.has_window = False
+
+        with open(os.path.join(here, "reftest.js")) as f:
+            self.script = f.read()
+        with open(os.path.join(here, "reftest-wait_webdriver.js")) as f:
+            self.wait_script = f.read()
+
+    def is_alive(self):
+        return self.protocol.is_alive()
+
+    def do_test(self, test):
+        self.logger.info("Test requires OS-level window focus")
+
+        if self.close_after_done and self.has_window:
+            self.protocol.webdriver.close()
+            self.protocol.webdriver.switch_to_window(
+                self.protocol.webdriver.window_handles[-1])
+            self.has_window = False
+
+        if not self.has_window:
+            self.protocol.webdriver.execute_script(self.script)
+            self.protocol.webdriver.switch_to_window(
+                self.protocol.webdriver.window_handles[-1])
+            self.has_window = True
+
+        result = self.implementation.run_test(test)
+
+        return self.convert_result(test, result)
+
+    def screenshot(self, test):
+        return SeleniumRun(self._screenshot,
+                           self.protocol.webdriver,
+                           self.test_url(test),
+                           test.timeout).run()
+
+    def _screenshot(self, webdriver, url, timeout):
+        webdriver.get(url)
+
+        webdriver.execute_async_script(self.wait_script)
+
+        screenshot = webdriver.get_screenshot_as_base64()
+
+        # strip off the data:img/png, part of the url
+        if screenshot.startswith("data:image/png;base64,"):
+            screenshot = screenshot.split(",", 1)[1]
+
+        return screenshot