1 - New failures

 0:20.60 TEST_END: MainThread ERROR, expected PASS
Traceback (most recent call last):
  File "c:\Users\bwinton\Programming\mozilla-central\testing/marionette/harness\marionette_harness\marionette_test\testcases.py", line 188, in run
    self.tearDown()
  File "c:\Users\bwinton\Programming\mozilla-central\testing\firefox-ui\tests\functional\sessionstore\test_tabbar_session_restore_button.py", line 54, in tearDown
    super(TestBaseTabbarSessionRestoreButton, self).tearDown()
  File "c:\Users\bwinton\Programming\mozilla-central\testing/marionette/puppeteer/firefox\firefox_puppeteer\mixins.py", line 100, in tearDown
    self._check_and_fix_leaked_handles()
  File "c:\Users\bwinton\Programming\mozilla-central\testing/marionette/puppeteer/firefox\firefox_puppeteer\mixins.py", line 60, in _check_and_fix_leaked_handles
    self.browser.tabbar.close_all_tabs([self.browser.tabbar.tabs[0]])
  File "c:\Users\bwinton\Programming\mozilla-central\testing/marionette/puppeteer/firefox\firefox_puppeteer\ui\browser\tabbar.py", line 62, in tabs
    tabs = self.toolbar.find_elements(By.TAG_NAME, 'tab')
  File "c:\Users\bwinton\Programming\mozilla-central\testing/marionette/client\marionette_driver\marionette.py", line 61, in find_elements
    return self.marionette.find_elements(method, target, self.id)
  File "c:\Users\bwinton\Programming\mozilla-central\testing/marionette/client\marionette_driver\marionette.py", line 1860, in find_elements
    "findElements", body, key="value" if self.protocol == 1 else None)
  File "c:\Users\bwinton\Programming\mozilla-central\testing/marionette/client\marionette_driver\decorators.py", line 23, in _
    return func(*args, **kwargs)
  File "c:\Users\bwinton\Programming\mozilla-central\testing/marionette/client\marionette_driver\marionette.py", line 739, in _send_message
    self._handle_error(err)
  File "c:\Users\bwinton\Programming\mozilla-central\testing/marionette/client\marionette_driver\marionette.py", line 772, in _handle_error
    raise errors.lookup(error)(message, stacktrace=stacktrace)
JavascriptException: Element reference not seen before: dabce870-09fe-437e-be2a-f7e7cf190c9d

C:\Users\bwinton\Programming\mozilla-central\testing\firefox-ui\tests\functional\sessionstore\test_tabbar_session_restore_button.py

# 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 firefox_puppeteer import PuppeteerMixin
from marionette_harness import MarionetteTestCase
from marionette_driver import Wait, By

class TestBaseTabbarSessionRestoreButton(PuppeteerMixin, MarionetteTestCase):
    def setUp(self, prefValue=True):
        super(TestBaseTabbarSessionRestoreButton, self).setUp()
        self.marionette.enforce_gecko_prefs({'browser.tabs.restorebutton': prefValue})

        # Each list element represents a window of tabs loaded at
        # some testing URL, the URLS are arbitrary.
        self.test_windows = set([
            (self.marionette.absolute_url('layout/mozilla_projects.html'),
             self.marionette.absolute_url('layout/mozilla.html'),
             self.marionette.absolute_url('layout/mozilla_mission.html')),
        ])

        self.open_windows(self.test_windows)

        self.marionette.quit(in_app=True)
        self.marionette.start_session()
        self.marionette.set_context('chrome')

    def open_windows(self, window_sets):
        win = self.browser
        for index, urls in enumerate(window_sets):
            if index > 0:
                win = self.browser.open_browser()
            win.switch_to()
            self.open_tabs(win, urls)

    def open_tabs(self, win, urls):
        # If there are any remaining URLs for this window,
        # open some new tabs and navigate to them.
        with self.marionette.using_context('content'):
            if isinstance(urls, str):
                self.marionette.navigate(urls)
            else:
                for index, url in enumerate(urls):
                    if index > 0:
                        with self.marionette.using_context('chrome'):
                            win.tabbar.open_tab()
                    self.marionette.navigate(url)

    def tearDown(self):
        try:
            # Create a fresh profile for subsequent tests.
            self.marionette.quit(clean=True)
            self.marionette.start_session()
        finally:
            super(TestBaseTabbarSessionRestoreButton, self).tearDown()


class TestTabbarSessionRestoreButton(TestBaseTabbarSessionRestoreButton):
    def setUp(self):
        super(TestTabbarSessionRestoreButton, self).setUp()

    def test_session_exists(self):
        wrapper = self.puppeteer.windows.current.tabbar.restore_tabs_button_wrapper

        # A session-exists attribute has been added to the button,
        # which allows it to show.
        self.assertEqual(wrapper.get_attribute('session-exists'), 'true')

    def test_window_resizing(self):
        wrapper = self.puppeteer.windows.current.tabbar.restore_tabs_button_wrapper

        # Ensure the window is large enough to show the button.
        self.marionette.set_window_size(1200, 1200)
        self.assertEqual(wrapper.value_of_css_property('visibility'), 'visible')

        # Set the window small enough that the button disappears.
        self.marionette.set_window_size(335, 335)
        self.assertEqual(wrapper.value_of_css_property('visibility'), 'hidden')

    def test_click_restore(self):
        button = self.puppeteer.windows.current.tabbar.restore_tabs_button

        # The new browser window is not the same window as last time,
        # and did not automatically restore the session, so there is only one tab.
        self.assertEqual(len(self.puppeteer.windows.current.tabbar.tabs), 1)

        button.click()

        Wait(self.marionette, timeout=10000).until(
            lambda _: len(self.puppeteer.windows.current.tabbar.tabs) > 1,
            message='there is only one tab, so the session was not restored')

        # After clicking the button to restore the session,
        # there is more than one tab.
        self.assertTrue(len(self.puppeteer.windows.current.tabbar.tabs) > 1)


class TestNoTabbarSessionRestoreButton(TestBaseTabbarSessionRestoreButton):
    def setUp(self):
        super(TestNoTabbarSessionRestoreButton, self).setUp(False)

    def test_pref_off_button_does_not_show(self):
        wrapper = self.puppeteer.windows.current.tabbar.restore_tabs_button_wrapper

        # A session-exists attribute is not on the button,
        # since the button will never show itself with the pref off.
        self.assertEqual(wrapper.get_attribute('session-exists'), '')