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# Copyright (C) 2014 Google 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.
from blinkpy.web_tests.port.driver import Driver
class BrowserTestDriver(Driver):
"""Object for running print preview test(s) using browser_tests."""
def __init__(self, port, worker_number, no_timeout=False):
"""Invokes the constructor of Driver."""
super(BrowserTestDriver, self).__init__(port, worker_number, no_timeout)
def start(self, per_test_args, deadline):
"""Same as Driver.start() however, it has an extra step. It waits for
a path to a file to be used for stdin to be printed by the browser test.
If a path is found by the deadline test test will open the file and
assign it to the stdin of the process that is owned by this driver's
server process.
"""
# FIXME(ivandavid): Need to handle case where the web test doesn't
# get a file name.
new_cmd_line = self.cmd_line(per_test_args)
if not self._server_process or new_cmd_line != self._current_cmd_line:
self._start(per_test_args)
self._run_post_start_tasks()
self._open_stdin_path(deadline)
# Gets the path of the directory that the file for stdin communication is
# in. Since the browser test cannot clean it up, the web test framework
# will. Everything the browser test uses is stored in the same directory as
# the stdin file, so deleting that directory recursively will remove all the
# other temp data, like the printed pdf. This function assumes the correct
# file path is sent. It won't delete files with only one component to avoid
# accidentally deleting files like /tmp.
def _open_stdin_path(self, deadline, test=False):
# FIXME(ivandavid): Come up with a way to test & see what happens when
# the file can't be opened.
path, found = self._read_stdin_path(deadline)
if found:
if test == False:
self._server_process._proc.stdin = open(path, 'wb', 0)
def _read_stdin_path(self, deadline):
# return (stdin_path, bool)
block = self._read_block(deadline)
if block.stdin_path:
return (block.stdin_path, True)
return (None, False)
def cmd_line(self, per_test_args):
"""Command line arguments to run the browser test."""
cmd = self._command_wrapper(self._port.get_option('wrapper'))
cmd.append(self._port._path_to_driver())
cmd.append('--gtest_filter=PrintPreviewPdfGeneratedBrowserTest.MANUAL_LayoutTestDriver')
cmd.append('--run-manual')
cmd.append('--single_process')
cmd.extend(per_test_args)
cmd.extend(self._port.get_option('additional_driver_flag', []))
return cmd
def stop(self):
if self._server_process:
self._server_process.write('QUIT')
super(BrowserTestDriver, self).stop(self._port.driver_stop_timeout())
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