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# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from telemetry import decorators
from telemetry.testing import browser_test_case
from telemetry.timeline import model
from telemetry.timeline import trace_data
from telemetry.timeline import tracing_config
class DevToolsClientBackendTest(browser_test_case.BrowserTestCase):
@property
def _browser_backend(self):
return self._browser._browser_backend
@property
def _devtools_client(self):
return self._browser_backend.devtools_client
def testGetChromeBranchNumber(self):
branch_num = self._devtools_client.GetChromeBranchNumber()
self.assertIsInstance(branch_num, int)
self.assertGreater(branch_num, 0)
def testIsAlive(self):
self.assertTrue(self._devtools_client.IsAlive())
# https://github.com/catapult-project/catapult/issues/3099 (Android)
# crbug.com/483212 (CrOS)
@decorators.Enabled('has tabs')
@decorators.Disabled('android', 'chromeos')
def testGetUpdatedInspectableContexts(self):
self._browser.tabs.New()
c1 = self._devtools_client.GetUpdatedInspectableContexts()
self.assertEqual(len(c1.contexts), 2)
backends1 = [c1.GetInspectorBackend(c['id']) for c in c1.contexts]
tabs1 = list(self._browser.tabs)
c2 = self._devtools_client.GetUpdatedInspectableContexts()
self.assertEqual(len(c2.contexts), 2)
backends2 = [c2.GetInspectorBackend(c['id']) for c in c2.contexts]
tabs2 = list(self._browser.tabs)
self.assertEqual(backends2, backends1)
self.assertEqual(tabs2, tabs1)
self._browser.tabs.New()
c3 = self._devtools_client.GetUpdatedInspectableContexts()
self.assertEqual(len(c3.contexts), 3)
backends3 = [c3.GetInspectorBackend(c['id']) for c in c3.contexts]
tabs3 = list(self._browser.tabs)
self.assertEqual(backends3[1], backends1[0])
self.assertEqual(backends3[2], backends1[1])
self.assertEqual(tabs3[0], tabs1[0])
self.assertEqual(tabs3[1], tabs1[1])
self._browser.tabs[1].Close()
c4 = self._devtools_client.GetUpdatedInspectableContexts()
self.assertEqual(len(c4.contexts), 2)
backends4 = [c4.GetInspectorBackend(c['id']) for c in c4.contexts]
tabs4 = list(self._browser.tabs)
self.assertEqual(backends4[0], backends3[0])
self.assertEqual(backends4[1], backends3[1])
self.assertEqual(tabs4[0], tabs3[0])
self.assertEqual(tabs4[1], tabs3[2])
# https://github.com/catapult-project/catapult/issues/3099 (Android)
# crbug.com/483212 (CrOS)
@decorators.Disabled('android', 'chromeos')
def testGetUpdatedInspectableContextsUpdateContextsData(self):
c1 = self._devtools_client.GetUpdatedInspectableContexts()
self.assertEqual(len(c1.contexts), 1)
self.assertEqual(c1.contexts[0]['url'], 'about:blank')
context_id = c1.contexts[0]['id']
backend = c1.GetInspectorBackend(context_id)
backend.Navigate(self.UrlOfUnittestFile('blank.html'), None, 10)
c2 = self._devtools_client.GetUpdatedInspectableContexts()
self.assertEqual(len(c2.contexts), 1)
self.assertTrue('blank.html' in c2.contexts[0]['url'])
self.assertEqual(c2.GetInspectorBackend(context_id), backend)
def testTracing(self):
devtools_client = self._devtools_client
if not devtools_client.IsChromeTracingSupported():
self.skipTest('Browser does not support tracing, skipping test.')
# Start Chrome tracing.
config = tracing_config.TracingConfig()
config.enable_chrome_trace = True
devtools_client.StartChromeTracing(config)
# Stop Chrome tracing and check that the resulting data is valid.
builder = trace_data.TraceDataBuilder()
devtools_client.StopChromeTracing()
devtools_client.CollectChromeTracingData(builder)
model.TimelineModel(builder.AsData())
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