| # Copyright (C) 2012 Zan Dobersek <zandobersek@gmail.com> |
| # |
| # 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 name of Google Inc. 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 logging |
| import unittest2 as unittest |
| |
| from webkitpy.common.system.filesystem_mock import MockFileSystem |
| from webkitpy.common.system.executive_mock import MockExecutive2 |
| from webkitpy.common.system.outputcapture import OutputCapture |
| from webkitpy.common.system.systemhost_mock import MockSystemHost |
| from webkitpy.layout_tests.port import Port |
| from webkitpy.layout_tests.port.server_process_mock import MockServerProcess |
| from webkitpy.layout_tests.port.xvfbdriver import XvfbDriver |
| from webkitpy.tool.mocktool import MockOptions |
| |
| _log = logging.getLogger(__name__) |
| |
| |
| class XvfbDriverTest(unittest.TestCase): |
| def make_driver(self, worker_number=0, xorg_running=False, executive=None): |
| port = Port(MockSystemHost(log_executive=True, executive=executive), 'xvfbdrivertestport', options=MockOptions(configuration='Release')) |
| port._config.build_directory = lambda configuration: "/mock-build" |
| port._server_process_constructor = MockServerProcess |
| if xorg_running: |
| port._executive._running_pids['Xorg'] = 108 |
| |
| driver = XvfbDriver(port, worker_number=worker_number, pixel_tests=True) |
| driver._startup_delay_secs = 0 |
| return driver |
| |
| def cleanup_driver(self, driver): |
| # Setting _xvfb_process member to None is necessary as the Driver object is stopped on deletion, |
| # killing the Xvfb process if present. Thus, this method should only be called from tests that do not |
| # intend to test the behavior of XvfbDriver.stop. |
| driver._xvfb_process = None |
| |
| def assertDriverStartSuccessful(self, driver, expected_logs, expected_display, pixel_tests=False): |
| OutputCapture().assert_outputs(self, driver.start, [pixel_tests, []], expected_logs=expected_logs) |
| self.assertTrue(driver._server_process.started) |
| self.assertEqual(driver._server_process.env["DISPLAY"], expected_display) |
| |
| def test_start_no_pixel_tests(self): |
| driver = self.make_driver() |
| expected_logs = "MOCK run_command: ['ps', '-eo', 'comm,command'], cwd=None\nMOCK popen: ['Xvfb', ':0', '-screen', '0', '800x600x24', '-nolisten', 'tcp']\n" |
| self.assertDriverStartSuccessful(driver, expected_logs=expected_logs, expected_display=":0") |
| self.cleanup_driver(driver) |
| |
| def test_start_pixel_tests(self): |
| driver = self.make_driver() |
| expected_logs = "MOCK run_command: ['ps', '-eo', 'comm,command'], cwd=None\nMOCK popen: ['Xvfb', ':0', '-screen', '0', '800x600x24', '-nolisten', 'tcp']\n" |
| self.assertDriverStartSuccessful(driver, expected_logs=expected_logs, expected_display=":0", pixel_tests=True) |
| self.cleanup_driver(driver) |
| |
| def test_start_arbitrary_worker_number(self): |
| driver = self.make_driver(worker_number=17) |
| expected_logs = "MOCK run_command: ['ps', '-eo', 'comm,command'], cwd=None\nMOCK popen: ['Xvfb', ':0', '-screen', '0', '800x600x24', '-nolisten', 'tcp']\n" |
| self.assertDriverStartSuccessful(driver, expected_logs=expected_logs, expected_display=":0", pixel_tests=True) |
| self.cleanup_driver(driver) |
| |
| def test_next_free_display(self): |
| output = "Xorg /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none\nXvfb Xvfb :1 -screen 0 800x600x24 -nolisten tcp" |
| executive = MockExecutive2(output) |
| driver = self.make_driver(executive=executive) |
| self.assertEqual(driver._next_free_display(), 2) |
| self.cleanup_driver(driver) |
| output = "X /usr/bin/X :0 vt7 -nolisten tcp -auth /var/run/xauth/A:0-8p7Ybb" |
| executive = MockExecutive2(output) |
| driver = self.make_driver(executive=executive) |
| self.assertEqual(driver._next_free_display(), 1) |
| self.cleanup_driver(driver) |
| output = "Xvfb Xvfb :0 -screen 0 800x600x24 -nolisten tcp" |
| executive = MockExecutive2(output) |
| driver = self.make_driver(executive=executive) |
| self.assertEqual(driver._next_free_display(), 1) |
| self.cleanup_driver(driver) |
| output = "Xvfb Xvfb :1 -screen 0 800x600x24 -nolisten tcp\nXvfb Xvfb :0 -screen 0 800x600x24 -nolisten tcp\nXvfb Xvfb :3 -screen 0 800x600x24 -nolisten tcp" |
| executive = MockExecutive2(output) |
| driver = self.make_driver(executive=executive) |
| self.assertEqual(driver._next_free_display(), 2) |
| self.cleanup_driver(driver) |
| |
| def test_start_next_worker(self): |
| driver = self.make_driver() |
| driver._next_free_display = lambda: 0 |
| expected_logs = "MOCK popen: ['Xvfb', ':0', '-screen', '0', '800x600x24', '-nolisten', 'tcp']\n" |
| self.assertDriverStartSuccessful(driver, expected_logs=expected_logs, expected_display=":0", pixel_tests=True) |
| self.cleanup_driver(driver) |
| driver = self.make_driver() |
| driver._next_free_display = lambda: 3 |
| expected_logs = "MOCK popen: ['Xvfb', ':3', '-screen', '0', '800x600x24', '-nolisten', 'tcp']\n" |
| self.assertDriverStartSuccessful(driver, expected_logs=expected_logs, expected_display=":3", pixel_tests=True) |
| self.cleanup_driver(driver) |
| |
| def test_stop(self): |
| filesystem = MockFileSystem(files={'/tmp/.X42-lock': '1234\n'}) |
| port = Port(MockSystemHost(log_executive=True, filesystem=filesystem), 'xvfbdrivertestport', options=MockOptions(configuration='Release')) |
| port._executive.kill_process = lambda x: _log.info("MOCK kill_process pid: " + str(x)) |
| driver = XvfbDriver(port, worker_number=0, pixel_tests=True) |
| |
| class FakeXvfbProcess(object): |
| pid = 1234 |
| |
| driver._xvfb_process = FakeXvfbProcess() |
| driver._lock_file = '/tmp/.X42-lock' |
| |
| expected_logs = "MOCK kill_process pid: 1234\n" |
| OutputCapture().assert_outputs(self, driver.stop, [], expected_logs=expected_logs) |
| |
| self.assertIsNone(driver._xvfb_process) |
| self.assertFalse(port._filesystem.exists(driver._lock_file)) |