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# Copyright 2012 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.
import logging
import os
import shutil
import tempfile
import unittest
from telemetry.core import util
from telemetry import decorators
from telemetry.internal.browser import browser_finder
from telemetry.internal.browser import extension_to_load
from telemetry.testing import options_for_unittests
class ExtensionTest(unittest.TestCase):
def setUp(self):
self._browser = None
self._platform = None
self._extension = None
self._extension_id = None
def CreateBrowserWithExtension(self, ext_path):
extension_path = os.path.join(util.GetUnittestDataDir(), ext_path)
options = options_for_unittests.GetCopy()
load_extension = extension_to_load.ExtensionToLoad(
extension_path, options.browser_type)
options.browser_options.extensions_to_load = [load_extension]
browser_to_create = browser_finder.FindBrowser(options)
if not browser_to_create:
# May not find a browser that supports extensions.
return False
self._platform = browser_to_create.platform
self._platform.network_controller.InitializeIfNeeded()
self._browser = browser_to_create.Create(options)
self._extension = self._browser.extensions[load_extension]
self._extension_id = load_extension.extension_id
self.assertTrue(self._extension)
return True
def tearDown(self):
if self._browser:
self._browser.Close()
self._platform.network_controller.Close()
def testExtensionBasic(self):
"""Test ExtensionPage's ExecuteJavaScript and EvaluateJavaScript."""
if not self.CreateBrowserWithExtension('simple_extension'):
logging.warning('Did not find a browser that supports extensions, '
'skipping test.')
return
self.assertTrue(
self._extension.EvaluateJavaScript('chrome.runtime != null'))
self._extension.ExecuteJavaScript('setTestVar("abcdef")')
self.assertEquals('abcdef',
self._extension.EvaluateJavaScript('_testVar'))
def testExtensionGetByExtensionId(self):
"""Test GetByExtensionId for a simple extension with a background page."""
if not self.CreateBrowserWithExtension('simple_extension'):
logging.warning('Did not find a browser that supports extensions, '
'skipping test.')
return
ext = self._browser.extensions.GetByExtensionId(self._extension_id)
self.assertEqual(1, len(ext))
self.assertEqual(ext[0], self._extension)
self.assertTrue(
ext[0].EvaluateJavaScript('chrome.runtime != null'))
@decorators.Disabled('mac')
def testWebApp(self):
"""Tests GetByExtensionId for a web app with multiple pages."""
if not self.CreateBrowserWithExtension('simple_app'):
logging.warning('Did not find a browser that supports extensions, '
'skipping test.')
return
extensions = self._browser.extensions.GetByExtensionId(self._extension_id)
extension_urls = set([ext.EvaluateJavaScript('location.href;')
for ext in extensions])
expected_urls = set(['chrome-extension://' + self._extension_id + '/' + path
for path in ['main.html', 'second.html',
'_generated_background_page.html']])
self.assertEqual(expected_urls, extension_urls)
class NonExistentExtensionTest(unittest.TestCase):
def testNonExistentExtensionPath(self):
"""Test that a non-existent extension path will raise an exception."""
extension_path = os.path.join(util.GetUnittestDataDir(), 'foo')
options = options_for_unittests.GetCopy()
self.assertRaises(extension_to_load.ExtensionPathNonExistentException,
lambda: extension_to_load.ExtensionToLoad(
extension_path, options.browser_type))
def testExtensionNotLoaded(self):
"""Querying an extension that was not loaded will return None"""
extension_path = os.path.join(util.GetUnittestDataDir(), 'simple_extension')
options = options_for_unittests.GetCopy()
load_extension = extension_to_load.ExtensionToLoad(
extension_path, options.browser_type)
browser_to_create = browser_finder.FindBrowser(options)
try:
browser_to_create.platform.network_controller.InitializeIfNeeded()
with browser_to_create.Create(options) as b:
if b.supports_extensions:
self.assertRaises(KeyError, lambda: b.extensions[load_extension])
finally:
browser_to_create.platform.network_controller.Close()
class MultipleExtensionTest(unittest.TestCase):
def setUp(self):
""" Copy the manifest and background.js files of simple_extension to a
number of temporary directories to load as extensions"""
self._extension_dirs = [tempfile.mkdtemp() for _ in range(3)]
src_extension_dir = os.path.join(
util.GetUnittestDataDir(), 'simple_extension')
manifest_path = os.path.join(src_extension_dir, 'manifest.json')
script_path = os.path.join(src_extension_dir, 'background.js')
for d in self._extension_dirs:
shutil.copy(manifest_path, d)
shutil.copy(script_path, d)
options = options_for_unittests.GetCopy()
self._extensions_to_load = [extension_to_load.ExtensionToLoad(
d, options.browser_type)
for d in self._extension_dirs]
options.browser_options.extensions_to_load = self._extensions_to_load
browser_to_create = browser_finder.FindBrowser(options)
self._platform = None
self._browser = None
# May not find a browser that supports extensions.
if browser_to_create:
self._platform = browser_to_create.platform
self._platform.network_controller.InitializeIfNeeded()
self._browser = browser_to_create.Create(options)
def tearDown(self):
if self._platform:
self._platform.network_controller.Close()
if self._browser:
self._browser.Close()
for d in self._extension_dirs:
shutil.rmtree(d)
def testMultipleExtensions(self):
if not self._browser:
logging.warning('Did not find a browser that supports extensions, '
'skipping test.')
return
# Test contains.
loaded_extensions = [e for e in self._extensions_to_load
if e in self._browser.extensions]
self.assertEqual(len(loaded_extensions), len(self._extensions_to_load))
for load_extension in self._extensions_to_load:
extension = self._browser.extensions[load_extension]
assert extension
self.assertTrue(
extension.EvaluateJavaScript('chrome.runtime != null'))
extension.ExecuteJavaScript('setTestVar("abcdef")')
self.assertEquals('abcdef', extension.EvaluateJavaScript('_testVar'))
class WebviewInExtensionTest(ExtensionTest):
# Flaky on windows, hits an exception: http://crbug.com/508325
# Flaky on macOS too: http://crbug.com/661434
# ChromeOS: http://crbug.com/674220
@decorators.Disabled('win', 'linux', 'mac', 'chromeos')
def testWebviewInExtension(self):
"""Tests GetWebviewContext() for a web app containing <webview> element."""
if not self.CreateBrowserWithExtension('webview_app'):
logging.warning('Did not find a browser that supports extensions, '
'skipping test.')
return
self._browser.extensions.GetByExtensionId(self._extension_id)
webview_contexts = self._extension.GetWebviewContexts()
self.assertEquals(1, len(webview_contexts))
webview_context = webview_contexts[0]
webview_context.WaitForDocumentReadyStateToBeComplete()
# Check that the context has the right url from the <webview> element.
self.assertTrue(webview_context.GetUrl().startswith('data:'))
# Check |test_input_id| element is accessible from the webview context.
self.assertTrue(webview_context.EvaluateJavaScript(
'document.getElementById("test_input_id") != null'))
# Check that |test_input_id| is not accessible from outside webview context
self.assertFalse(self._extension.EvaluateJavaScript(
'document.getElementById("test_input_id") != null'))
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