Tools/Scripts/webkitpy/port/waylanddriver_unittest.py

# Copyright (C) 2017 Igalia S.L. All rights reserved.
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import logging
import unittest

from webkitpy.common.system.systemhost_mock import MockSystemHost
from webkitpy.port import Port
from webkitpy.port.server_process_mock import MockServerProcess
from webkitpy.port.waylanddriver import WaylandDriver
from webkitpy.thirdparty.mock import patch
from webkitpy.tool.mocktool import MockOptions

_log = logging.getLogger(__name__)


class WaylandDriverTest(unittest.TestCase):
    def make_driver(self, worker_number=0, xorg_running=False, executive=None):
        port = Port(MockSystemHost(log_executive=True, executive=executive), 'waylanddrivertestport', options=MockOptions(configuration='Release'))
        port._config.build_directory = lambda configuration: '/mock-build'
        port._server_process_constructor = MockServerProcess
        driver = WaylandDriver(port, worker_number=worker_number, pixel_tests=True)
        driver._startup_delay_secs = 0
        driver._environment = port.setup_environ_for_server(port.driver_name())
        return driver

    def make_environment(self):
        environment_user = {'DISPLAY': ':0.0',
                           'XAUTHORITY': '/home/igalia/.Xauthority',
                           'WAYLAND_DISPLAY': 'wayland-0',
                           'WAYLAND_SOCKET': 'wayland-0'}
        return environment_user

    def test_checkdriver(self):
        driver = self.make_driver()
        with patch('os.environ', {}):
            self.assertFalse(driver.check_driver(driver._port))
        with patch('os.environ', {'WAYLAND_DISPLAY': ':0.0'}):
            self.assertTrue(driver.check_driver(driver._port))
        with patch('os.environ', {'WAYLAND_SOCKET': ':0.0'}):
            self.assertTrue(driver.check_driver(driver._port))
        with patch('os.environ', self.make_environment()):
            self.assertTrue(driver.check_driver(driver._port))

    def test_environment_needed_variables(self):
        driver = self.make_driver()
        environment_user = self.make_environment()
        with patch('os.environ', environment_user):
            driver_environment = driver._setup_environ_for_test()
            self.assertIn('WAYLAND_DISPLAY', driver_environment)
            self.assertIn('WAYLAND_SOCKET', driver_environment)
            self.assertIn('GDK_BACKEND', driver_environment)
            self.assertEqual(driver_environment['WAYLAND_DISPLAY'], environment_user['WAYLAND_DISPLAY'])
            self.assertEqual(driver_environment['WAYLAND_SOCKET'], environment_user['WAYLAND_SOCKET'])
            self.assertEqual(driver_environment['GDK_BACKEND'], 'wayland', )

    def test_environment_forbidden_variables(self):
        driver = self.make_driver()
        environment_user = self.make_environment()
        with patch('os.environ', environment_user):
            driver_environment = driver._setup_environ_for_test()
            self.assertNotIn('DISPLAY', driver_environment)
            self.assertNotIn('XAUTHORITY', driver_environment)

    def test_environment_optional_variables(self):
        driver = self.make_driver()
        environment_user = self.make_environment()
        with patch('os.environ', environment_user):
            driver_environment = driver._setup_environ_for_test()
            self.assertIn('WAYLAND_DISPLAY', driver_environment)
            self.assertIn('WAYLAND_SOCKET', driver_environment)
            self.assertEqual(driver_environment['WAYLAND_DISPLAY'], environment_user['WAYLAND_DISPLAY'])
            self.assertEqual(driver_environment['WAYLAND_SOCKET'], environment_user['WAYLAND_SOCKET'])

        environment_user.pop('WAYLAND_SOCKET')
        with patch('os.environ', environment_user):
            driver_environment = driver._setup_environ_for_test()
            self.assertNotIn('WAYLAND_SOCKET', driver_environment)
            self.assertIn('WAYLAND_DISPLAY', driver_environment)
            self.assertEqual(driver_environment['WAYLAND_DISPLAY'], environment_user['WAYLAND_DISPLAY'])