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| 1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 # Use of this source code is governed by a BSD-style license that can be | |
| 3 # found in the LICENSE file. | |
| 4 import os | |
| 5 import shutil | |
| 6 import tempfile | |
| 7 import unittest | |
| 8 | |
| 9 from telemetry.core import browser_finder | |
| 10 from telemetry.core import extension_to_load | |
| 11 from telemetry.core.chrome import extension_dict_backend | |
| 12 from telemetry.test import options_for_unittests | |
| 13 | |
| 14 class ExtensionTest(unittest.TestCase): | |
| 15 def setUp(self): | |
| 16 extension_path = os.path.join(os.path.dirname(__file__), | |
| 17 '..', '..', 'unittest_data', 'simple_extension') | |
| 18 load_extension = extension_to_load.ExtensionToLoad(extension_path) | |
| 19 | |
| 20 options = options_for_unittests.GetCopy() | |
| 21 options.extensions_to_load = [load_extension] | |
| 22 browser_to_create = browser_finder.FindBrowser(options) | |
| 23 | |
| 24 self._browser = None | |
| 25 self._extension = None | |
| 26 if not browser_to_create: | |
| 27 # May not find a browser that supports extensions. | |
| 28 return | |
| 29 self._browser = browser_to_create.Create() | |
| 30 self._extension = self._browser.extensions[load_extension] | |
| 31 self.assertTrue(self._extension) | |
| 32 | |
| 33 def tearDown(self): | |
| 34 if self._browser: | |
| 35 self._browser.Close() | |
| 36 | |
| 37 def testExtensionBasic(self): | |
| 38 """Test ExtensionPage's ExecuteJavaScript and EvaluateJavaScript.""" | |
| 39 if not self._extension: | |
| 40 return | |
| 41 self._extension.ExecuteJavaScript('setTestVar("abcdef")') | |
| 42 self.assertEquals('abcdef', | |
| 43 self._extension.EvaluateJavaScript('_testVar')) | |
| 44 | |
| 45 def testDisconnect(self): | |
| 46 """Test that ExtensionPage.Disconnect exists by calling it. | |
| 47 EvaluateJavaScript should reconnect.""" | |
| 48 if not self._extension: | |
| 49 return | |
| 50 self._extension.Disconnect() | |
| 51 self.assertEquals(2, self._extension.EvaluateJavaScript('1+1')) | |
| 52 | |
| 53 class NonExistentExtensionTest(unittest.TestCase): | |
| 54 def testNonExistentExtensionPath(self): | |
| 55 """Test that a non-existent extension path will raise an exception.""" | |
| 56 extension_path = os.path.join(os.path.dirname(__file__), | |
| 57 '..', '..', 'unittest_data', 'foo') | |
| 58 self.assertRaises(extension_to_load.ExtensionPathNonExistentException, | |
| 59 lambda: extension_to_load.ExtensionToLoad(extension_path)) | |
| 60 | |
| 61 def testExtensionNotLoaded(self): | |
| 62 """Querying an extension that was not loaded will return None""" | |
| 63 extension_path = os.path.join(os.path.dirname(__file__), | |
| 64 '..', '..', 'unittest_data', 'simple_extension') | |
| 65 load_extension = extension_to_load.ExtensionToLoad(extension_path) | |
| 66 options = options_for_unittests.GetCopy() | |
| 67 browser_to_create = browser_finder.FindBrowser(options) | |
| 68 with browser_to_create.Create() as b: | |
| 69 if b.supports_extensions: | |
| 70 self.assertRaises(extension_dict_backend.ExtensionNotFoundException, | |
| 71 lambda: b.extensions[load_extension]) | |
| 72 | |
| 73 class MultipleExtensionTest(unittest.TestCase): | |
| 74 def setUp(self): | |
| 75 """ Copy the manifest and background.js files of simple_extension to a | |
| 76 number of temporary directories to load as extensions""" | |
| 77 self._extension_dirs = [tempfile.mkdtemp() | |
| 78 for i in range(3)] # pylint: disable=W0612 | |
| 79 src_extension_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), | |
| 80 '..', '..', 'unittest_data', 'simple_extension')) | |
| 81 manifest_path = os.path.join(src_extension_dir, 'manifest.json') | |
| 82 script_path = os.path.join(src_extension_dir, 'background.js') | |
| 83 for d in self._extension_dirs: | |
| 84 shutil.copy(manifest_path, d) | |
| 85 shutil.copy(script_path, d) | |
| 86 self._extensions_to_load = [extension_to_load.ExtensionToLoad(d) | |
| 87 for d in self._extension_dirs] | |
| 88 options = options_for_unittests.GetCopy() | |
| 89 options.extensions_to_load = self._extensions_to_load | |
| 90 browser_to_create = browser_finder.FindBrowser(options) | |
| 91 self._browser = None | |
| 92 # May not find a browser that supports extensions. | |
| 93 if browser_to_create: | |
| 94 self._browser = browser_to_create.Create() | |
| 95 | |
| 96 def tearDown(self): | |
| 97 if self._browser: | |
| 98 self._browser.Close() | |
| 99 for d in self._extension_dirs: | |
| 100 shutil.rmtree(d) | |
| 101 | |
| 102 def testMultipleExtensions(self): | |
| 103 if not self._browser: | |
| 104 return | |
| 105 | |
| 106 # Test contains. | |
| 107 loaded_extensions = filter(lambda e: e in self._browser.extensions, | |
| 108 self._extensions_to_load) | |
| 109 self.assertEqual(len(loaded_extensions), len(self._extensions_to_load)) | |
| 110 | |
| 111 for load_extension in self._extensions_to_load: | |
| 112 extension = self._browser.extensions[load_extension] | |
| 113 assert extension | |
| 114 extension.ExecuteJavaScript('setTestVar("abcdef")') | |
| 115 self.assertEquals('abcdef', extension.EvaluateJavaScript('_testVar')) | |
| 116 | |
| 117 class ComponentExtensionTest(unittest.TestCase): | |
| 118 def testComponentExtension(self): | |
| 119 extension_path = os.path.join(os.path.dirname(__file__), | |
| 120 '..', 'unittest_data', 'component_extension') | |
| 121 load_extension = extension_to_load.ExtensionToLoad(extension_path, False) | |
| 122 | |
| 123 options = options_for_unittests.GetCopy() | |
| 124 options.extensions_to_load = [load_extension] | |
| 125 browser_to_create = browser_finder.FindBrowser(options) | |
| 126 if not browser_to_create: | |
| 127 # Some browsers don't support extensions. | |
| 128 return | |
| 129 | |
| 130 with browser_to_create.Create() as b: | |
| 131 extension = b.extensions[load_extension] | |
| 132 extension.ExecuteJavaScript('setTestVar("abcdef")') | |
| 133 self.assertEquals('abcdef', extension.EvaluateJavaScript('_testVar')) | |
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