| """Open Cobalt in preload mode and find a basic element.""" |
| |
| from __future__ import absolute_import |
| from __future__ import division |
| from __future__ import print_function |
| |
| import time |
| |
| import _env # pylint: disable=unused-import |
| |
| from cobalt.black_box_tests import black_box_tests |
| from cobalt.black_box_tests.threaded_web_server import ThreadedWebServer |
| |
| _MAX_RESUME_WAIT_SECONDS = 30 |
| |
| |
| class PreloadFontTest(black_box_tests.BlackBoxTestCase): |
| |
| def test_simple(self): |
| |
| with ThreadedWebServer() as server: |
| url = server.GetURL(file_name='testdata/preload_font.html') |
| |
| with self.CreateCobaltRunner( |
| url=url, target_params=['--preload']) as runner: |
| runner.WaitForJSTestsSetup() |
| runner.SendResume() |
| start_time = time.time() |
| while runner.IsInPreload(): |
| if time.time() - start_time > _MAX_RESUME_WAIT_SECONDS: |
| raise Exception('Cobalt can not exit preload mode after receiving' |
| 'resume signal') |
| time.sleep(.1) |
| # At this point, Cobalt is in started mode. |
| self.assertTrue(runner.JSTestsSucceeded()) |