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# 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/.

from marionette_driver.errors import MarionetteException

from marionette_harness import MarionetteTestCase


class TestQuitRestart(MarionetteTestCase):

    def setUp(self):
        MarionetteTestCase.setUp(self)

        self.pid = self.marionette.process_id
        self.session_id = self.marionette.session_id

        self.assertNotEqual(self.marionette.get_pref("browser.startup.page"), 3)
        self.marionette.set_pref("browser.startup.page", 3)

    def tearDown(self):
        # Ensure to restart a session if none exist for clean-up
        if not self.marionette.session:
            self.marionette.start_session()

        self.marionette.clear_pref("browser.startup.page")

        MarionetteTestCase.tearDown(self)

    def test_force_restart(self):
        self.marionette.restart()
        self.assertEqual(self.marionette.session_id, self.session_id)

        # A forced restart will cause a new process id
        self.assertNotEqual(self.marionette.process_id, self.pid)

        # If a preference value is not forced, a restart will cause a reset
        self.assertNotEqual(self.marionette.get_pref("browser.startup.page"), 3)

    def test_force_quit(self):
        self.marionette.quit()

        self.assertEqual(self.marionette.session, None)
        with self.assertRaisesRegexp(MarionetteException, "Please start a session"):
            self.marionette.get_url()

        self.marionette.start_session()
        self.assertNotEqual(self.marionette.session_id, self.session_id)
        self.assertNotEqual(self.marionette.get_pref("browser.startup.page"), 3)

    def test_in_app_clean_restart(self):
        with self.assertRaises(ValueError):
            self.marionette.restart(in_app=True, clean=True)

    def test_in_app_restart(self):
        self.marionette.restart(in_app=True)
        self.assertEqual(self.marionette.session_id, self.session_id)

        # An in-app restart will keep the same process id only on Linux
        if self.marionette.session_capabilities['platformName'] == 'linux':
            self.assertEqual(self.marionette.process_id, self.pid)
        else:
            self.assertNotEqual(self.marionette.process_id, self.pid)

        # If a preference value is not forced, a restart will cause a reset
        self.assertNotEqual(self.marionette.get_pref("browser.startup.page"), 3)

    def test_in_app_restart_with_callback(self):
        self.marionette.restart(in_app=True,
                                callback=lambda: self.shutdown(restart=True))

        self.assertEqual(self.marionette.session_id, self.session_id)

        # An in-app restart will keep the same process id only on Linux
        if self.marionette.session_capabilities['platformName'] == 'linux':
            self.assertEqual(self.marionette.process_id, self.pid)
        else:
            self.assertNotEqual(self.marionette.process_id, self.pid)

        # If a preference value is not forced, a restart will cause a reset
        self.assertNotEqual(self.marionette.get_pref("browser.startup.page"), 3)

    def test_in_app_quit(self):
        self.marionette.quit(in_app=True)

        self.assertEqual(self.marionette.session, None)
        with self.assertRaisesRegexp(MarionetteException, "Please start a session"):
            self.marionette.get_url()

        self.marionette.start_session()
        self.assertNotEqual(self.marionette.session_id, self.session_id)
        self.assertNotEqual(self.marionette.get_pref("browser.startup.page"), 3)

    def test_in_app_quit_with_callback(self):
        self.marionette.quit(in_app=True, callback=self.shutdown)
        self.assertEqual(self.marionette.session, None)
        with self.assertRaisesRegexp(MarionetteException, "Please start a session"):
            self.marionette.get_url()

        self.marionette.start_session()
        self.assertNotEqual(self.marionette.session_id, self.session_id)
        self.assertNotEqual(self.marionette.get_pref("browser.startup.page"), 3)

    def test_reset_context_after_quit_by_set_context(self):
        # Check that we are in content context which is used by default in Marionette
        self.assertNotIn('chrome://', self.marionette.get_url(),
                         "Context doesn't default to content")

        self.marionette.set_context('chrome')
        self.marionette.quit(in_app=True)
        self.assertEqual(self.marionette.session, None)
        self.marionette.start_session()
        self.assertNotIn('chrome://', self.marionette.get_url(),
                         "Not in content context after quit with using_context")

    def test_reset_context_after_quit_by_using_context(self):
        # Check that we are in content context which is used by default in Marionette
        self.assertNotIn('chrome://', self.marionette.get_url(),
                         "Context doesn't default to content")

        with self.marionette.using_context('chrome'):
            self.marionette.quit(in_app=True)
            self.assertEqual(self.marionette.session, None)
            self.marionette.start_session()
            self.assertNotIn('chrome://', self.marionette.get_url(),
                             "Not in content context after quit with using_context")

    def test_keep_context_after_restart_by_set_context(self):
        # Check that we are in content context which is used by default in Marionette
        self.assertNotIn('chrome://', self.marionette.get_url(),
                         "Context doesn't default to content")

        # restart while we are in chrome context
        self.marionette.set_context('chrome')
        self.marionette.restart(in_app=True)

        # An in-app restart will keep the same process id only on Linux
        if self.marionette.session_capabilities['platformName'] == 'linux':
            self.assertEqual(self.marionette.process_id, self.pid)
        else:
            self.assertNotEqual(self.marionette.process_id, self.pid)

        self.assertIn('chrome://', self.marionette.get_url(),
                      "Not in chrome context after a restart with set_context")

    def test_keep_context_after_restart_by_using_context(self):
        # Check that we are in content context which is used by default in Marionette
        self.assertNotIn('chrome://', self.marionette.get_url(),
                         "Context doesn't default to content")

        # restart while we are in chrome context
        with self.marionette.using_context('chrome'):
            self.marionette.restart(in_app=True)

            # An in-app restart will keep the same process id only on Linux
            if self.marionette.session_capabilities['platformName'] == 'linux':
                self.assertEqual(self.marionette.process_id, self.pid)
            else:
                self.assertNotEqual(self.marionette.process_id, self.pid)

            self.assertIn('chrome://', self.marionette.get_url(),
                          "Not in chrome context after a restart with using_context")

    def shutdown(self, restart=False):
        self.marionette.set_context("chrome")
        self.marionette.execute_script("""
            Components.utils.import("resource://gre/modules/Services.jsm");
            let flags = Ci.nsIAppStartup.eAttemptQuit
            if(arguments[0]) {
              flags |= Ci.nsIAppStartup.eRestart;
            }
            Services.startup.quit(flags);
        """, script_args=[restart])