def test_load_blocks_sync_gen(self):
"""Testing ExtensionManager.load blocks bumping sync generation
number
"""
key = 'check-expired-test'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint])
manager1.load()
manager1.enable_extension(self.extension_class.id)
manager2.load()
self.assertEqual(manager1._last_sync_gen, manager2._last_sync_gen)
# Trigger a save whenever the extension initializes.
self.extension_class.initialize = lambda ext: ext.settings.save()
# Bump the generation number.
extension = manager2.get_enabled_extension(self.extension_class.id)
extension.settings.save()
self.assertNotEqual(manager1._last_sync_gen, manager2._last_sync_gen)
# Loading now should retain the new sync generation number, instead
# of bumping it.
manager1.load(full_reload=True)
self.assertEqual(manager1._last_sync_gen, manager2._last_sync_gen)
def test_extension_list_sync(self):
"""Testing ExtensionManager extension list synchronization cross-process."""
key = 'extension-list-sync'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint]
)
manager1.load()
manager2.load()
self.assertEqual(len(manager1.get_installed_extensions()), 1)
self.assertEqual(len(manager2.get_installed_extensions()), 1)
self.assertEqual(len(manager1.get_enabled_extensions()), 0)
self.assertEqual(len(manager2.get_enabled_extensions()), 0)
manager1.enable_extension(self.extension_class.id)
self.assertEqual(len(manager1.get_enabled_extensions()), 1)
self.assertEqual(len(manager2.get_enabled_extensions()), 0)
self.assertFalse(manager1.is_expired())
self.assertTrue(manager2.is_expired())
manager2.load(full_reload=True)
self.assertEqual(len(manager1.get_enabled_extensions()), 1)
self.assertEqual(len(manager2.get_enabled_extensions()), 1)
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
def test_load_blocks_sync_gen(self):
"""Testing ExtensionManager.load blocks bumping sync generation
number
"""
key = 'check-expired-test'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint]
)
manager1.load()
manager1.enable_extension(self.extension_class.id)
manager2.load()
self.assertEqual(manager1._last_sync_gen, manager2._last_sync_gen)
# Trigger a save whenever the extension initializes.
self.extension_class.initialize = lambda ext: ext.settings.save()
# Bump the generation number.
extension = manager2.get_enabled_extension(self.extension_class.id)
extension.settings.save()
self.assertNotEqual(manager1._last_sync_gen, manager2._last_sync_gen)
# Loading now should retain the new sync generation number, instead
# of bumping it.
manager1.load(full_reload=True)
self.assertEqual(manager1._last_sync_gen, manager2._last_sync_gen)
def test_extension_list_sync(self):
"""Testing ExtensionManager extension list synchronization
cross-process
"""
key = 'extension-list-sync'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint])
manager1.load()
manager2.load()
self.assertEqual(len(manager1.get_installed_extensions()), 1)
self.assertEqual(len(manager2.get_installed_extensions()), 1)
self.assertEqual(len(manager1.get_enabled_extensions()), 0)
self.assertEqual(len(manager2.get_enabled_extensions()), 0)
manager1.enable_extension(self.extension_class.id)
self.assertEqual(len(manager1.get_enabled_extensions()), 1)
self.assertEqual(len(manager2.get_enabled_extensions()), 0)
self.assertFalse(manager1.is_expired())
self.assertTrue(manager2.is_expired())
manager2.load(full_reload=True)
self.assertEqual(len(manager1.get_enabled_extensions()), 1)
self.assertEqual(len(manager2.get_enabled_extensions()), 1)
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
def test_extension_settings_sync(self):
"""Testing ExtensionManager extension settings synchronization
cross-process
"""
key = 'extension-settings-sync'
setting_key = 'foo'
setting_val = 'abc123'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint]
)
manager1.load()
extension1 = manager1.enable_extension(self.extension_class.id)
manager2.load()
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
extension2 = manager2.get_enabled_extension(self.extension_class.id)
self.assertNotEqual(extension2, None)
self.assertFalse(setting_key in extension1.settings)
self.assertFalse(setting_key in extension2.settings)
extension1.settings[setting_key] = setting_val
extension1.settings.save()
self.assertFalse(setting_key in extension2.settings)
self.assertFalse(manager1.is_expired())
self.assertTrue(manager2.is_expired())
manager2.load(full_reload=True)
extension2 = manager2.get_enabled_extension(self.extension_class.id)
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
self.assertTrue(setting_key in extension1.settings)
self.assertTrue(setting_key in extension2.settings)
self.assertEqual(extension1.settings[setting_key], setting_val)
self.assertEqual(extension2.settings[setting_key], setting_val)
def test_extension_settings_sync(self):
"""Testing ExtensionManager extension settings synchronization
cross-process
"""
key = 'extension-settings-sync'
setting_key = 'foo'
setting_val = 'abc123'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint])
manager1.load()
extension1 = manager1.enable_extension(self.extension_class.id)
manager2.load()
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
extension2 = manager2.get_enabled_extension(self.extension_class.id)
self.assertNotEqual(extension2, None)
self.assertFalse(setting_key in extension1.settings)
self.assertFalse(setting_key in extension2.settings)
extension1.settings[setting_key] = setting_val
extension1.settings.save()
self.assertFalse(setting_key in extension2.settings)
self.assertFalse(manager1.is_expired())
self.assertTrue(manager2.is_expired())
manager2.load(full_reload=True)
extension2 = manager2.get_enabled_extension(self.extension_class.id)
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
self.assertTrue(setting_key in extension1.settings)
self.assertTrue(setting_key in extension2.settings)
self.assertEqual(extension1.settings[setting_key], setting_val)
self.assertEqual(extension2.settings[setting_key], setting_val)
class ExtensionManagerTest(TestCase):
def setUp(self):
class TestExtension(Extension):
"""An empty, dummy extension for testing"""
css_bundles = {
'default': {
'source_filenames': ['test.css'],
}
}
js_bundles = {
'default': {
'source_filenames': ['test.js'],
}
}
self.key = 'test_key'
self.extension_class = TestExtension
self.manager = ExtensionManager(self.key)
self.fake_entrypoint = Mock()
self.fake_entrypoint.load = Mock(return_value=self.extension_class)
self.fake_entrypoint.dist = Mock()
self.test_author = 'Test author lorem ipsum'
self.test_description = 'Test description lorem ipsum'
self.test_email = 'Test [email protected]'
self.test_home_page = 'http://www.example.com'
self.test_license = 'Test License MIT GPL Apache Drivers'
self.test_module_name = 'testextension.dummy.dummy'
self.test_module_to_app = 'testextension.dummy'
self.test_project_name = 'TestProjectName'
self.test_summary = 'Test summary lorem ipsum'
self.test_version = '1.0'
self.test_metadata = {
'Name': self.test_project_name,
'Version': self.test_version,
'Summary': self.test_summary,
'Description': self.test_description,
'Author': self.test_author,
'Author-email': self.test_email,
'License': self.test_license,
'Home-page': self.test_home_page,
}
self.fake_entrypoint.dist.get_metadata_lines = Mock(
return_value=[
"%s: %s" % (key, value)
for key, value in six.iteritems(self.test_metadata)
])
self.fake_entrypoint.dist.project_name = self.test_project_name
self.fake_entrypoint.dist.version = self.test_version
self.manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint]
)
self.manager.load()
def tearDown(self):
self.manager.clear_sync_cache()
def test_added_to_extension_managers(self):
"""Testing ExtensionManager registration"""
self.assertTrue(self.manager in _extension_managers)
def test_get_enabled_extensions_returns_empty(self):
"""Testing ExtensionManager.get_enabled_extensions with no extensions"""
self.assertEqual(len(self.manager.get_enabled_extensions()), 0)
def test_load(self):
"""Testing ExtensionManager.get_installed_extensions with loaded extensions"""
self.assertEqual(len(self.manager.get_installed_extensions()), 1)
self.assertTrue(self.extension_class in
self.manager.get_installed_extensions())
self.assertTrue(hasattr(self.extension_class, 'info'))
self.assertEqual(self.extension_class.info.name,
self.test_project_name)
self.assertTrue(hasattr(self.extension_class, 'registration'))
self.assertEqual(self.extension_class.registration.name,
self.test_project_name)
def test_load_full_reload_hooks(self):
"""Testing ExtensionManager.load with full_reload=True"""
self.assertEqual(len(self.manager.get_installed_extensions()), 1)
extension = self.extension_class(extension_manager=self.manager)
extension = self.manager.enable_extension(self.extension_class.id)
URLHook(extension, ())
self.assertEqual(len(URLHook.hooks), 1)
self.assertEqual(URLHook.hooks[0].extension, extension)
self.manager.load(full_reload=True)
self.assertEqual(len(URLHook.hooks), 0)
def test_enable_registers_static_bundles(self):
"""Testing ExtensionManager registers static bundles when enabling extension"""
settings.PIPELINE_CSS = {}
settings.PIPELINE_JS = {}
extension = self.extension_class(extension_manager=self.manager)
extension = self.manager.enable_extension(self.extension_class.id)
self.assertEqual(len(settings.PIPELINE_CSS), 1)
self.assertEqual(len(settings.PIPELINE_JS), 1)
key = '%s-default' % extension.id
self.assertIn(key, settings.PIPELINE_CSS)
self.assertIn(key, settings.PIPELINE_JS)
css_bundle = settings.PIPELINE_CSS[key]
js_bundle = settings.PIPELINE_JS[key]
self.assertIn('source_filenames', css_bundle)
self.assertEqual(css_bundle['source_filenames'],
['ext/%s/test.css' % extension.id])
self.assertIn('output_filename', css_bundle)
self.assertEqual(css_bundle['output_filename'],
'ext/%s/css/default.min.css' % extension.id)
self.assertIn('source_filenames', js_bundle)
self.assertEqual(js_bundle['source_filenames'],
['ext/%s/test.js' % extension.id])
self.assertIn('output_filename', js_bundle)
self.assertEqual(js_bundle['output_filename'],
'ext/%s/js/default.min.js' % extension.id)
def test_disable_unregisters_static_bundles(self):
"""Testing ExtensionManager unregisters static bundles when disabling extension"""
settings.PIPELINE_CSS = {}
settings.PIPELINE_JS = {}
extension = self.extension_class(extension_manager=self.manager)
extension = self.manager.enable_extension(self.extension_class.id)
self.assertEqual(len(settings.PIPELINE_CSS), 1)
self.assertEqual(len(settings.PIPELINE_JS), 1)
self.manager.disable_extension(extension.id)
self.assertEqual(len(settings.PIPELINE_CSS), 0)
self.assertEqual(len(settings.PIPELINE_JS), 0)
def test_extension_list_sync(self):
"""Testing ExtensionManager extension list synchronization cross-process."""
key = 'extension-list-sync'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint]
)
manager1.load()
manager2.load()
self.assertEqual(len(manager1.get_installed_extensions()), 1)
self.assertEqual(len(manager2.get_installed_extensions()), 1)
self.assertEqual(len(manager1.get_enabled_extensions()), 0)
self.assertEqual(len(manager2.get_enabled_extensions()), 0)
manager1.enable_extension(self.extension_class.id)
self.assertEqual(len(manager1.get_enabled_extensions()), 1)
self.assertEqual(len(manager2.get_enabled_extensions()), 0)
self.assertFalse(manager1.is_expired())
self.assertTrue(manager2.is_expired())
manager2.load(full_reload=True)
self.assertEqual(len(manager1.get_enabled_extensions()), 1)
self.assertEqual(len(manager2.get_enabled_extensions()), 1)
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
def test_extension_settings_sync(self):
"""Testing ExtensionManager extension settings synchronization cross-process."""
key = 'extension-settings-sync'
setting_key = 'foo'
setting_val = 'abc123'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint]
)
manager1.load()
extension1 = manager1.enable_extension(self.extension_class.id)
manager2.load()
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
extension2 = manager2.get_enabled_extension(self.extension_class.id)
self.assertNotEqual(extension2, None)
self.assertFalse(setting_key in extension1.settings)
self.assertFalse(setting_key in extension2.settings)
extension1.settings[setting_key] = setting_val
extension1.settings.save()
self.assertFalse(setting_key in extension2.settings)
self.assertFalse(manager1.is_expired())
self.assertTrue(manager2.is_expired())
manager2.load(full_reload=True)
extension2 = manager2.get_enabled_extension(self.extension_class.id)
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
self.assertTrue(setting_key in extension1.settings)
self.assertTrue(setting_key in extension2.settings)
self.assertEqual(extension1.settings[setting_key], setting_val)
self.assertEqual(extension2.settings[setting_key], setting_val)
class ExtensionManagerTest(SpyAgency, TestCase):
def setUp(self):
class TestExtension(Extension):
"""An empty, dummy extension for testing"""
css_bundles = {
'default': {
'source_filenames': ['test.css'],
}
}
js_bundles = {
'default': {
'source_filenames': ['test.js'],
}
}
self.key = 'test_key'
self.extension_class = TestExtension
self.manager = ExtensionManager(self.key)
self.fake_entrypoint = Mock()
self.fake_entrypoint.load = Mock(return_value=self.extension_class)
self.fake_entrypoint.dist = Mock()
self.test_author = 'Test author lorem ipsum'
self.test_description = 'Test description lorem ipsum'
self.test_email = 'Test [email protected]'
self.test_home_page = 'http://www.example.com'
self.test_license = 'Test License MIT GPL Apache Drivers'
self.test_module_name = 'testextension.dummy.dummy'
self.test_module_to_app = 'testextension.dummy'
self.test_project_name = 'TestProjectName'
self.test_summary = 'Test summary lorem ipsum'
self.test_version = '1.0'
self.test_metadata = {
'Name': self.test_project_name,
'Version': self.test_version,
'Summary': self.test_summary,
'Description': self.test_description,
'Author': self.test_author,
'Author-email': self.test_email,
'License': self.test_license,
'Home-page': self.test_home_page,
}
self.fake_entrypoint.dist.get_metadata_lines = Mock(
return_value=[
"%s: %s" % (key, value)
for key, value in six.iteritems(self.test_metadata)
])
self.fake_entrypoint.dist.project_name = self.test_project_name
self.fake_entrypoint.dist.version = self.test_version
self.manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint]
)
self.manager.load()
def tearDown(self):
self.manager.clear_sync_cache()
def test_added_to_extension_managers(self):
"""Testing ExtensionManager registration"""
self.assertTrue(self.manager in _extension_managers)
def test_get_enabled_extensions_returns_empty(self):
"""Testing ExtensionManager.get_enabled_extensions with no
extensions
"""
self.assertEqual(len(self.manager.get_enabled_extensions()), 0)
def test_load(self):
"""Testing ExtensionManager.get_installed_extensions with loaded
extensions
"""
self.assertEqual(len(self.manager.get_installed_extensions()), 1)
self.assertTrue(self.extension_class in
self.manager.get_installed_extensions())
self.assertTrue(hasattr(self.extension_class, 'info'))
self.assertEqual(self.extension_class.info.name,
self.test_project_name)
self.assertTrue(hasattr(self.extension_class, 'registration'))
self.assertEqual(self.extension_class.registration.name,
self.test_project_name)
def test_load_full_reload_hooks(self):
"""Testing ExtensionManager.load with full_reload=True"""
self.assertEqual(len(self.manager.get_installed_extensions()), 1)
extension = self.extension_class(extension_manager=self.manager)
extension = self.manager.enable_extension(self.extension_class.id)
URLHook(extension, ())
self.assertEqual(len(URLHook.hooks), 1)
self.assertEqual(URLHook.hooks[0].extension, extension)
self.manager.load(full_reload=True)
self.assertEqual(len(URLHook.hooks), 0)
def test_load_concurrent_threads(self):
"""Testing ExtensionManager.load with concurrent threads"""
# There are a number of things that could go wrong both during
# uninitialization and during initialization of extensions, if
# two threads attempt to reload at the same time and locking isn't
# properly implemented.
#
# Extension uninit could be called twice, resulting in one thread
# attempting to access state that's already been destroyed. We
# could end up hitting:
#
# "Extension's installed app <app> is missing a ref count."
# "'<Extension>' object has no attribute 'info'."
#
# (Without locking, we end up hitting the latter in this test.)
#
# If an extension is being initialized twice simultaneously, then
# it can hit other errors. An easy one to hit is this assertion:
#
# assert extension_id not in self._extension_instances
#
# With proper locking, these issues don't come up. That's what
# this test case is attempting to check for.
# Enable one extension. This extension's state will get a bit messed
# up if the thread locking fails. We only need one to trigger this.
self.assertEqual(len(self.manager.get_installed_extensions()), 1)
self.manager.enable_extension(self.extension_class.id)
self.spy_on(self.manager._load_extensions)
self._spy_sleep_and_call(self.manager._init_extension)
self._spy_sleep_and_call(self.manager._uninit_extension)
self._run_thread_test(lambda: self.manager.load(full_reload=True))
self.assertEqual(len(self.manager._load_extensions.calls), 2)
self.assertEqual(len(self.manager._uninit_extension.calls), 2)
self.assertEqual(len(self.manager._init_extension.calls), 2)
self.assertEqual(self.exceptions, [])
def test_enable_registers_static_bundles(self):
"""Testing ExtensionManager registers static bundles when enabling
extension
"""
settings.PIPELINE_CSS = {}
settings.PIPELINE_JS = {}
extension = self.extension_class(extension_manager=self.manager)
extension = self.manager.enable_extension(self.extension_class.id)
self.assertEqual(len(settings.PIPELINE_CSS), 1)
self.assertEqual(len(settings.PIPELINE_JS), 1)
key = '%s-default' % extension.id
self.assertIn(key, settings.PIPELINE_CSS)
self.assertIn(key, settings.PIPELINE_JS)
css_bundle = settings.PIPELINE_CSS[key]
js_bundle = settings.PIPELINE_JS[key]
self.assertIn('source_filenames', css_bundle)
self.assertEqual(css_bundle['source_filenames'],
['ext/%s/test.css' % extension.id])
self.assertIn('output_filename', css_bundle)
self.assertEqual(css_bundle['output_filename'],
'ext/%s/css/default.min.css' % extension.id)
self.assertIn('source_filenames', js_bundle)
self.assertEqual(js_bundle['source_filenames'],
['ext/%s/test.js' % extension.id])
self.assertIn('output_filename', js_bundle)
self.assertEqual(js_bundle['output_filename'],
'ext/%s/js/default.min.js' % extension.id)
def test_install_extension_media_with_stale_version_key(self):
"""Testing ExtensionManager installing media for newly installed
extension with existing stale version key
"""
extension = self.extension_class(extension_manager=self.manager)
version_key = ExtensionManager.VERSION_SETTINGS_KEY
self.assertFalse(extension.registration.installed)
# Add a bad version key, perhaps copy/pasted by hand from an admin.
# We'll set it to the current version.
extension.settings.set(version_key, extension.info.version)
extension.settings.save()
# Enable the extension. It shouldn't blow up.
extension = self.manager.enable_extension(self.extension_class.id)
self.assertTrue(extension.registration.installed)
self.assertIsNotNone(extension.settings.get(version_key))
def test_install_media_concurrent_threads(self):
"""Testing ExtensionManager updating media for existing
extension with concurrent threads
"""
version_key = ExtensionManager.VERSION_SETTINGS_KEY
extension = self.extension_class(extension_manager=self.manager)
extension.registration.installed = True
extension.registration.enabled = True
extension.registration.save()
extension.__class__.instance = extension
extension.settings.set(version_key, '0.5')
extension.settings.save()
self.assertEqual(len(self.manager.get_installed_extensions()), 1)
self.spy_on(self.manager._install_extension_media)
self.spy_on(self.manager._install_extension_media_internal,
call_original=False)
self._run_thread_test(
lambda: self.manager._install_extension_media(extension.__class__))
self.assertEqual(
len(self.manager._install_extension_media.calls), 2)
self.assertEqual(
len(self.manager._install_extension_media_internal.calls), 1)
self.assertEqual(self.exceptions, [])
def test_disable_unregisters_static_bundles(self):
"""Testing ExtensionManager unregisters static bundles when disabling
extension
"""
settings.PIPELINE_CSS = {}
settings.PIPELINE_JS = {}
extension = self.extension_class(extension_manager=self.manager)
extension = self.manager.enable_extension(self.extension_class.id)
self.assertEqual(len(settings.PIPELINE_CSS), 1)
self.assertEqual(len(settings.PIPELINE_JS), 1)
self.manager.disable_extension(extension.id)
self.assertEqual(len(settings.PIPELINE_CSS), 0)
self.assertEqual(len(settings.PIPELINE_JS), 0)
def test_extension_list_sync(self):
"""Testing ExtensionManager extension list synchronization
cross-process
"""
key = 'extension-list-sync'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint]
)
manager1.load()
manager2.load()
self.assertEqual(len(manager1.get_installed_extensions()), 1)
self.assertEqual(len(manager2.get_installed_extensions()), 1)
self.assertEqual(len(manager1.get_enabled_extensions()), 0)
self.assertEqual(len(manager2.get_enabled_extensions()), 0)
manager1.enable_extension(self.extension_class.id)
self.assertEqual(len(manager1.get_enabled_extensions()), 1)
self.assertEqual(len(manager2.get_enabled_extensions()), 0)
self.assertFalse(manager1.is_expired())
self.assertTrue(manager2.is_expired())
manager2.load(full_reload=True)
self.assertEqual(len(manager1.get_enabled_extensions()), 1)
self.assertEqual(len(manager2.get_enabled_extensions()), 1)
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
def test_extension_settings_sync(self):
"""Testing ExtensionManager extension settings synchronization
cross-process
"""
key = 'extension-settings-sync'
setting_key = 'foo'
setting_val = 'abc123'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint]
)
manager1.load()
extension1 = manager1.enable_extension(self.extension_class.id)
manager2.load()
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
extension2 = manager2.get_enabled_extension(self.extension_class.id)
self.assertNotEqual(extension2, None)
self.assertFalse(setting_key in extension1.settings)
self.assertFalse(setting_key in extension2.settings)
extension1.settings[setting_key] = setting_val
extension1.settings.save()
self.assertFalse(setting_key in extension2.settings)
self.assertFalse(manager1.is_expired())
self.assertTrue(manager2.is_expired())
manager2.load(full_reload=True)
extension2 = manager2.get_enabled_extension(self.extension_class.id)
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
self.assertTrue(setting_key in extension1.settings)
self.assertTrue(setting_key in extension2.settings)
self.assertEqual(extension1.settings[setting_key], setting_val)
self.assertEqual(extension2.settings[setting_key], setting_val)
def test_load_blocks_sync_gen(self):
"""Testing ExtensionManager.load blocks bumping sync generation
number
"""
key = 'check-expired-test'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint]
)
manager1.load()
manager1.enable_extension(self.extension_class.id)
manager2.load()
self.assertEqual(manager1._last_sync_gen, manager2._last_sync_gen)
# Trigger a save whenever the extension initializes.
self.extension_class.initialize = lambda ext: ext.settings.save()
# Bump the generation number.
extension = manager2.get_enabled_extension(self.extension_class.id)
extension.settings.save()
self.assertNotEqual(manager1._last_sync_gen, manager2._last_sync_gen)
# Loading now should retain the new sync generation number, instead
# of bumping it.
manager1.load(full_reload=True)
self.assertEqual(manager1._last_sync_gen, manager2._last_sync_gen)
def _run_thread_test(self, main_func):
def _thread_main(main_connection, main_func):
# Insert the connection from the main thread, so that we can
# perform lookups. We never write.
from django.db import connections
connections['default'] = main_connection
main_func()
# Store the main connection. We're going to let the threads share it.
# This trick courtesy of the Django unit tests
# (django/tests/backends/tests.py).
from django.db import connections
main_connection = connections['default']
main_connection.allow_thread_sharing = True
self.exceptions = []
t1 = threading.Thread(target=_thread_main,
args=[main_connection, main_func])
t2 = threading.Thread(target=_thread_main,
args=[main_connection, main_func])
t1.start()
t2.start()
t1.join()
t2.join()
def _sleep_and_call(self, manager, orig_func, *args, **kwargs):
# This works well enough to throw a monkey wrench into things.
# One thread will be slightly ahead of the other.
time.sleep(0.2)
try:
orig_func(*args, **kwargs)
except Exception as e:
logging.error('%s\n', e, exc_info=1)
self.exceptions.append(e)
def _spy_sleep_and_call(self, func):
def _call(manager, *args, **kwargs):
self._sleep_and_call(manager, orig_func, *args, **kwargs)
orig_func = func
self.spy_on(func, call_fake=_call)
class ExtensionManagerTest(SpyAgency, TestCase):
def setUp(self):
class TestExtension(Extension):
"""An empty, dummy extension for testing"""
css_bundles = {
'default': {
'source_filenames': ['test.css'],
}
}
js_bundles = {
'default': {
'source_filenames': ['test.js'],
}
}
self.key = 'test_key'
self.extension_class = TestExtension
self.manager = ExtensionManager(self.key)
self.fake_entrypoint = Mock()
self.fake_entrypoint.load = Mock(return_value=self.extension_class)
self.fake_entrypoint.dist = Mock()
self.test_author = 'Test author lorem ipsum'
self.test_description = 'Test description lorem ipsum'
self.test_email = 'Test [email protected]'
self.test_home_page = 'http://www.example.com'
self.test_license = 'Test License MIT GPL Apache Drivers'
self.test_module_name = 'testextension.dummy.dummy'
self.test_module_to_app = 'testextension.dummy'
self.test_project_name = 'TestProjectName'
self.test_summary = 'Test summary lorem ipsum'
self.test_version = '1.0'
self.test_metadata = {
'Name': self.test_project_name,
'Version': self.test_version,
'Summary': self.test_summary,
'Description': self.test_description,
'Author': self.test_author,
'Author-email': self.test_email,
'License': self.test_license,
'Home-page': self.test_home_page,
}
self.fake_entrypoint.dist.get_metadata_lines = Mock(return_value=[
"%s: %s" % (key, value)
for key, value in six.iteritems(self.test_metadata)
])
self.fake_entrypoint.dist.project_name = self.test_project_name
self.fake_entrypoint.dist.version = self.test_version
self.manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint])
self.manager.load()
def tearDown(self):
self.manager.clear_sync_cache()
def test_added_to_extension_managers(self):
"""Testing ExtensionManager registration"""
self.assertTrue(self.manager in _extension_managers)
def test_get_enabled_extensions_returns_empty(self):
"""Testing ExtensionManager.get_enabled_extensions with no
extensions
"""
self.assertEqual(len(self.manager.get_enabled_extensions()), 0)
def test_load(self):
"""Testing ExtensionManager.get_installed_extensions with loaded
extensions
"""
self.assertEqual(len(self.manager.get_installed_extensions()), 1)
self.assertTrue(
self.extension_class in self.manager.get_installed_extensions())
self.assertTrue(hasattr(self.extension_class, 'info'))
self.assertEqual(self.extension_class.info.name,
self.test_project_name)
self.assertTrue(hasattr(self.extension_class, 'registration'))
self.assertEqual(self.extension_class.registration.name,
self.test_project_name)
def test_load_full_reload_hooks(self):
"""Testing ExtensionManager.load with full_reload=True"""
self.assertEqual(len(self.manager.get_installed_extensions()), 1)
extension = self.extension_class(extension_manager=self.manager)
extension = self.manager.enable_extension(self.extension_class.id)
URLHook(extension, ())
self.assertEqual(len(URLHook.hooks), 1)
self.assertEqual(URLHook.hooks[0].extension, extension)
self.manager.load(full_reload=True)
self.assertEqual(len(URLHook.hooks), 0)
def test_load_concurrent_threads(self):
"""Testing ExtensionManager.load with concurrent threads"""
# There are a number of things that could go wrong both during
# uninitialization and during initialization of extensions, if
# two threads attempt to reload at the same time and locking isn't
# properly implemented.
#
# Extension uninit could be called twice, resulting in one thread
# attempting to access state that's already been destroyed. We
# could end up hitting:
#
# "Extension's installed app <app> is missing a ref count."
# "'<Extension>' object has no attribute 'info'."
#
# (Without locking, we end up hitting the latter in this test.)
#
# If an extension is being initialized twice simultaneously, then
# it can hit other errors. An easy one to hit is this assertion:
#
# assert extension_id not in self._extension_instances
#
# With proper locking, these issues don't come up. That's what
# this test case is attempting to check for.
# Enable one extension. This extension's state will get a bit messed
# up if the thread locking fails. We only need one to trigger this.
self.assertEqual(len(self.manager.get_installed_extensions()), 1)
self.manager.enable_extension(self.extension_class.id)
self.spy_on(self.manager._load_extensions)
self._spy_sleep_and_call(self.manager._init_extension)
self._spy_sleep_and_call(self.manager._uninit_extension)
self._run_thread_test(lambda: self.manager.load(full_reload=True))
self.assertEqual(len(self.manager._load_extensions.calls), 2)
self.assertEqual(len(self.manager._uninit_extension.calls), 2)
self.assertEqual(len(self.manager._init_extension.calls), 2)
self.assertEqual(self.exceptions, [])
def test_enable_registers_static_bundles(self):
"""Testing ExtensionManager registers static bundles when enabling
extension
"""
settings.PIPELINE_CSS = {}
settings.PIPELINE_JS = {}
extension = self.extension_class(extension_manager=self.manager)
extension = self.manager.enable_extension(self.extension_class.id)
self.assertEqual(len(settings.PIPELINE_CSS), 1)
self.assertEqual(len(settings.PIPELINE_JS), 1)
key = '%s-default' % extension.id
self.assertIn(key, settings.PIPELINE_CSS)
self.assertIn(key, settings.PIPELINE_JS)
css_bundle = settings.PIPELINE_CSS[key]
js_bundle = settings.PIPELINE_JS[key]
self.assertIn('source_filenames', css_bundle)
self.assertEqual(css_bundle['source_filenames'],
['ext/%s/test.css' % extension.id])
self.assertIn('output_filename', css_bundle)
self.assertEqual(css_bundle['output_filename'],
'ext/%s/css/default.min.css' % extension.id)
self.assertIn('source_filenames', js_bundle)
self.assertEqual(js_bundle['source_filenames'],
['ext/%s/test.js' % extension.id])
self.assertIn('output_filename', js_bundle)
self.assertEqual(js_bundle['output_filename'],
'ext/%s/js/default.min.js' % extension.id)
def test_install_extension_media_with_stale_version_key(self):
"""Testing ExtensionManager installing media for newly installed
extension with existing stale version key
"""
extension = self.extension_class(extension_manager=self.manager)
version_key = ExtensionManager.VERSION_SETTINGS_KEY
self.assertFalse(extension.registration.installed)
# Add a bad version key, perhaps copy/pasted by hand from an admin.
# We'll set it to the current version.
extension.settings.set(version_key, extension.info.version)
extension.settings.save()
# Enable the extension. It shouldn't blow up.
extension = self.manager.enable_extension(self.extension_class.id)
self.assertTrue(extension.registration.installed)
self.assertIsNotNone(extension.settings.get(version_key))
def test_install_media_concurrent_threads(self):
"""Testing ExtensionManager updating media for existing
extension with concurrent threads
"""
version_key = ExtensionManager.VERSION_SETTINGS_KEY
extension = self.extension_class(extension_manager=self.manager)
extension.registration.installed = True
extension.registration.enabled = True
extension.registration.save()
extension.__class__.instance = extension
extension.settings.set(version_key, '0.5')
extension.settings.save()
self.assertEqual(len(self.manager.get_installed_extensions()), 1)
self.spy_on(self.manager._install_extension_media)
self.spy_on(self.manager._install_extension_media_internal,
call_original=False)
self._run_thread_test(
lambda: self.manager._install_extension_media(extension.__class__))
self.assertEqual(len(self.manager._install_extension_media.calls), 2)
self.assertEqual(
len(self.manager._install_extension_media_internal.calls), 1)
self.assertEqual(self.exceptions, [])
def test_disable_unregisters_static_bundles(self):
"""Testing ExtensionManager unregisters static bundles when disabling
extension
"""
settings.PIPELINE_CSS = {}
settings.PIPELINE_JS = {}
extension = self.extension_class(extension_manager=self.manager)
extension = self.manager.enable_extension(self.extension_class.id)
self.assertEqual(len(settings.PIPELINE_CSS), 1)
self.assertEqual(len(settings.PIPELINE_JS), 1)
self.manager.disable_extension(extension.id)
self.assertEqual(len(settings.PIPELINE_CSS), 0)
self.assertEqual(len(settings.PIPELINE_JS), 0)
def test_extension_list_sync(self):
"""Testing ExtensionManager extension list synchronization
cross-process
"""
key = 'extension-list-sync'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint])
manager1.load()
manager2.load()
self.assertEqual(len(manager1.get_installed_extensions()), 1)
self.assertEqual(len(manager2.get_installed_extensions()), 1)
self.assertEqual(len(manager1.get_enabled_extensions()), 0)
self.assertEqual(len(manager2.get_enabled_extensions()), 0)
manager1.enable_extension(self.extension_class.id)
self.assertEqual(len(manager1.get_enabled_extensions()), 1)
self.assertEqual(len(manager2.get_enabled_extensions()), 0)
self.assertFalse(manager1.is_expired())
self.assertTrue(manager2.is_expired())
manager2.load(full_reload=True)
self.assertEqual(len(manager1.get_enabled_extensions()), 1)
self.assertEqual(len(manager2.get_enabled_extensions()), 1)
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
def test_extension_settings_sync(self):
"""Testing ExtensionManager extension settings synchronization
cross-process
"""
key = 'extension-settings-sync'
setting_key = 'foo'
setting_val = 'abc123'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint])
manager1.load()
extension1 = manager1.enable_extension(self.extension_class.id)
manager2.load()
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
extension2 = manager2.get_enabled_extension(self.extension_class.id)
self.assertNotEqual(extension2, None)
self.assertFalse(setting_key in extension1.settings)
self.assertFalse(setting_key in extension2.settings)
extension1.settings[setting_key] = setting_val
extension1.settings.save()
self.assertFalse(setting_key in extension2.settings)
self.assertFalse(manager1.is_expired())
self.assertTrue(manager2.is_expired())
manager2.load(full_reload=True)
extension2 = manager2.get_enabled_extension(self.extension_class.id)
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
self.assertTrue(setting_key in extension1.settings)
self.assertTrue(setting_key in extension2.settings)
self.assertEqual(extension1.settings[setting_key], setting_val)
self.assertEqual(extension2.settings[setting_key], setting_val)
def test_load_blocks_sync_gen(self):
"""Testing ExtensionManager.load blocks bumping sync generation
number
"""
key = 'check-expired-test'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint])
manager1.load()
manager1.enable_extension(self.extension_class.id)
manager2.load()
self.assertEqual(manager1._last_sync_gen, manager2._last_sync_gen)
# Trigger a save whenever the extension initializes.
self.extension_class.initialize = lambda ext: ext.settings.save()
# Bump the generation number.
extension = manager2.get_enabled_extension(self.extension_class.id)
extension.settings.save()
self.assertNotEqual(manager1._last_sync_gen, manager2._last_sync_gen)
# Loading now should retain the new sync generation number, instead
# of bumping it.
manager1.load(full_reload=True)
self.assertEqual(manager1._last_sync_gen, manager2._last_sync_gen)
def _run_thread_test(self, main_func):
def _thread_main(main_connection, main_func, sleep_time):
# Insert the connection from the main thread, so that we can
# perform lookups. We never write.
from django.db import connections
connections['default'] = main_connection
time.sleep(sleep_time)
main_func()
# Store the main connection. We're going to let the threads share it.
# This trick courtesy of the Django unit tests
# (django/tests/backends/tests.py).
from django.db import connections
main_connection = connections['default']
main_connection.allow_thread_sharing = True
self.exceptions = []
t1 = threading.Thread(target=_thread_main,
args=[main_connection, main_func, 0.2])
t2 = threading.Thread(target=_thread_main,
args=[main_connection, main_func, 0.1])
t1.start()
t2.start()
t1.join()
t2.join()
def _sleep_and_call(self, manager, orig_func, *args, **kwargs):
# This works well enough to throw a monkey wrench into things.
# One thread will be slightly ahead of the other.
time.sleep(0.2)
try:
orig_func(*args, **kwargs)
except Exception as e:
logging.error('%s\n', e, exc_info=1)
self.exceptions.append(e)
def _spy_sleep_and_call(self, func):
def _call(manager, *args, **kwargs):
self._sleep_and_call(manager, orig_func, *args, **kwargs)
orig_func = func
self.spy_on(func, call_fake=_call)
class ExtensionManagerTest(TestCase):
def setUp(self):
class TestExtension(Extension):
"""An empty, dummy extension for testing"""
css_bundles = {"default": {"source_filenames": ["test.css"]}}
js_bundles = {"default": {"source_filenames": ["test.js"]}}
self.key = "test_key"
self.extension_class = TestExtension
self.manager = ExtensionManager(self.key)
self.fake_entrypoint = Mock()
self.fake_entrypoint.load = Mock(return_value=self.extension_class)
self.fake_entrypoint.dist = Mock()
self.test_author = "Test author lorem ipsum"
self.test_description = "Test description lorem ipsum"
self.test_email = "Test [email protected]"
self.test_home_page = "http://www.example.com"
self.test_license = "Test License MIT GPL Apache Drivers"
self.test_module_name = "testextension.dummy.dummy"
self.test_module_to_app = "testextension.dummy"
self.test_project_name = "TestProjectName"
self.test_summary = "Test summary lorem ipsum"
self.test_version = "1.0"
self.test_htdocs_path = os.path.join(settings.EXTENSIONS_STATIC_ROOT, self.test_project_name)
self.test_metadata = {
"Name": self.test_project_name,
"Version": self.test_version,
"Summary": self.test_summary,
"Description": self.test_description,
"Author": self.test_author,
"Author-email": self.test_email,
"License": self.test_license,
"Home-page": self.test_home_page,
}
self.fake_entrypoint.dist.get_metadata_lines = Mock(
return_value=["%s: %s" % (key, value) for key, value in six.iteritems(self.test_metadata)]
)
self.fake_entrypoint.dist.project_name = self.test_project_name
self.fake_entrypoint.dist.version = self.test_version
self.manager._entrypoint_iterator = Mock(return_value=[self.fake_entrypoint])
self.manager.load()
def tearDown(self):
self.manager.clear_sync_cache()
def test_added_to_extension_managers(self):
"""Testing ExtensionManager registration"""
self.assertTrue(self.manager in _extension_managers)
def test_get_enabled_extensions_returns_empty(self):
"""Testing ExtensionManager.get_enabled_extensions with no extensions"""
self.assertEqual(len(self.manager.get_enabled_extensions()), 0)
def test_load(self):
"""Testing ExtensionManager.get_installed_extensions with loaded extensions"""
self.assertEqual(len(self.manager.get_installed_extensions()), 1)
self.assertTrue(self.extension_class in self.manager.get_installed_extensions())
self.assertTrue(hasattr(self.extension_class, "info"))
self.assertEqual(self.extension_class.info.name, self.test_project_name)
self.assertTrue(hasattr(self.extension_class, "registration"))
self.assertEqual(self.extension_class.registration.name, self.test_project_name)
def test_load_full_reload_hooks(self):
"""Testing ExtensionManager.load with full_reload=True"""
self.assertEqual(len(self.manager.get_installed_extensions()), 1)
extension = self.extension_class(extension_manager=self.manager)
extension = self.manager.enable_extension(self.extension_class.id)
URLHook(extension, ())
self.assertEqual(len(URLHook.hooks), 1)
self.assertEqual(URLHook.hooks[0].extension, extension)
self.manager.load(full_reload=True)
self.assertEqual(len(URLHook.hooks), 0)
def test_enable_registers_static_bundles(self):
"""Testing ExtensionManager registers static bundles when enabling extension"""
settings.PIPELINE_CSS = {}
settings.PIPELINE_JS = {}
extension = self.extension_class(extension_manager=self.manager)
extension = self.manager.enable_extension(self.extension_class.id)
self.assertEqual(len(settings.PIPELINE_CSS), 1)
self.assertEqual(len(settings.PIPELINE_JS), 1)
key = "%s-default" % extension.id
self.assertIn(key, settings.PIPELINE_CSS)
self.assertIn(key, settings.PIPELINE_JS)
css_bundle = settings.PIPELINE_CSS[key]
js_bundle = settings.PIPELINE_JS[key]
self.assertIn("source_filenames", css_bundle)
self.assertEqual(css_bundle["source_filenames"], ["ext/%s/test.css" % extension.id])
self.assertIn("output_filename", css_bundle)
self.assertEqual(css_bundle["output_filename"], "%s/css/default.min.css" % extension.id)
self.assertIn("source_filenames", js_bundle)
self.assertEqual(js_bundle["source_filenames"], ["ext/%s/test.js" % extension.id])
self.assertIn("output_filename", js_bundle)
self.assertEqual(js_bundle["output_filename"], "%s/js/default.min.js" % extension.id)
def test_disable_unregisters_static_bundles(self):
"""Testing ExtensionManager unregisters static bundles when disabling extension"""
settings.PIPELINE_CSS = {}
settings.PIPELINE_JS = {}
extension = self.extension_class(extension_manager=self.manager)
extension = self.manager.enable_extension(self.extension_class.id)
self.assertEqual(len(settings.PIPELINE_CSS), 1)
self.assertEqual(len(settings.PIPELINE_JS), 1)
self.manager.disable_extension(extension.id)
self.assertEqual(len(settings.PIPELINE_CSS), 0)
self.assertEqual(len(settings.PIPELINE_JS), 0)
def test_extension_list_sync(self):
"""Testing ExtensionManager extension list synchronization cross-process."""
key = "extension-list-sync"
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(return_value=[self.fake_entrypoint])
manager1.load()
manager2.load()
self.assertEqual(len(manager1.get_installed_extensions()), 1)
self.assertEqual(len(manager2.get_installed_extensions()), 1)
self.assertEqual(len(manager1.get_enabled_extensions()), 0)
self.assertEqual(len(manager2.get_enabled_extensions()), 0)
manager1.enable_extension(self.extension_class.id)
self.assertEqual(len(manager1.get_enabled_extensions()), 1)
self.assertEqual(len(manager2.get_enabled_extensions()), 0)
self.assertFalse(manager1.is_expired())
self.assertTrue(manager2.is_expired())
manager2.load(full_reload=True)
self.assertEqual(len(manager1.get_enabled_extensions()), 1)
self.assertEqual(len(manager2.get_enabled_extensions()), 1)
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
def test_extension_settings_sync(self):
"""Testing ExtensionManager extension settings synchronization cross-process."""
key = "extension-settings-sync"
setting_key = "foo"
setting_val = "abc123"
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(return_value=[self.fake_entrypoint])
manager1.load()
extension1 = manager1.enable_extension(self.extension_class.id)
manager2.load()
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
extension2 = manager2.get_enabled_extension(self.extension_class.id)
self.assertNotEqual(extension2, None)
self.assertFalse(setting_key in extension1.settings)
self.assertFalse(setting_key in extension2.settings)
extension1.settings[setting_key] = setting_val
extension1.settings.save()
self.assertFalse(setting_key in extension2.settings)
self.assertFalse(manager1.is_expired())
self.assertTrue(manager2.is_expired())
manager2.load(full_reload=True)
extension2 = manager2.get_enabled_extension(self.extension_class.id)
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
self.assertTrue(setting_key in extension1.settings)
self.assertTrue(setting_key in extension2.settings)
self.assertEqual(extension1.settings[setting_key], setting_val)
self.assertEqual(extension2.settings[setting_key], setting_val)
class ExtensionManagerTest(TestCase):
def setUp(self):
class TestExtension(Extension):
"""An empty, dummy extension for testing"""
css_bundles = {
'default': {
'source_filenames': ['test.css'],
}
}
js_bundles = {
'default': {
'source_filenames': ['test.js'],
}
}
self.key = 'test_key'
self.extension_class = TestExtension
self.manager = ExtensionManager(self.key)
self.fake_entrypoint = Mock()
self.fake_entrypoint.load = Mock(return_value=self.extension_class)
self.fake_entrypoint.dist = Mock()
self.test_author = 'Test author lorem ipsum'
self.test_description = 'Test description lorem ipsum'
self.test_email = 'Test [email protected]'
self.test_home_page = 'http://www.example.com'
self.test_license = 'Test License MIT GPL Apache Drivers'
self.test_module_name = 'testextension.dummy.dummy'
self.test_module_to_app = 'testextension.dummy'
self.test_project_name = 'TestProjectName'
self.test_summary = 'Test summary lorem ipsum'
self.test_version = '1.0'
self.test_htdocs_path = os.path.join(settings.EXTENSIONS_STATIC_ROOT,
self.test_project_name)
self.test_metadata = {
'Name': self.test_project_name,
'Version': self.test_version,
'Summary': self.test_summary,
'Description': self.test_description,
'Author': self.test_author,
'Author-email': self.test_email,
'License': self.test_license,
'Home-page': self.test_home_page,
}
self.fake_entrypoint.dist.get_metadata_lines = Mock(
return_value=[
"%s: %s" % (key, value)
for key, value in six.iteritems(self.test_metadata)
])
self.fake_entrypoint.dist.project_name = self.test_project_name
self.fake_entrypoint.dist.version = self.test_version
self.manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint]
)
self.manager.load()
def tearDown(self):
self.manager.clear_sync_cache()
def test_added_to_extension_managers(self):
"""Testing ExtensionManager registration"""
self.assertTrue(self.manager in _extension_managers)
def test_get_enabled_extensions_returns_empty(self):
"""Testing ExtensionManager.get_enabled_extensions with no extensions"""
self.assertEqual(len(self.manager.get_enabled_extensions()), 0)
def test_load(self):
"""Testing ExtensionManager.get_installed_extensions with loaded extensions"""
self.assertEqual(len(self.manager.get_installed_extensions()), 1)
self.assertTrue(self.extension_class in
self.manager.get_installed_extensions())
self.assertTrue(hasattr(self.extension_class, 'info'))
self.assertEqual(self.extension_class.info.name,
self.test_project_name)
self.assertTrue(hasattr(self.extension_class, 'registration'))
self.assertEqual(self.extension_class.registration.name,
self.test_project_name)
def test_load_full_reload_hooks(self):
"""Testing ExtensionManager.load with full_reload=True"""
self.assertEqual(len(self.manager.get_installed_extensions()), 1)
extension = self.extension_class(extension_manager=self.manager)
extension = self.manager.enable_extension(self.extension_class.id)
URLHook(extension, ())
self.assertEqual(len(URLHook.hooks), 1)
self.assertEqual(URLHook.hooks[0].extension, extension)
self.manager.load(full_reload=True)
self.assertEqual(len(URLHook.hooks), 0)
def test_enable_registers_static_bundles(self):
"""Testing ExtensionManager registers static bundles when enabling extension"""
settings.PIPELINE_CSS = {}
settings.PIPELINE_JS = {}
extension = self.extension_class(extension_manager=self.manager)
extension = self.manager.enable_extension(self.extension_class.id)
self.assertEqual(len(settings.PIPELINE_CSS), 1)
self.assertEqual(len(settings.PIPELINE_JS), 1)
key = '%s-default' % extension.id
self.assertIn(key, settings.PIPELINE_CSS)
self.assertIn(key, settings.PIPELINE_JS)
css_bundle = settings.PIPELINE_CSS[key]
js_bundle = settings.PIPELINE_JS[key]
self.assertIn('source_filenames', css_bundle)
self.assertEqual(css_bundle['source_filenames'],
['ext/%s/test.css' % extension.id])
self.assertIn('output_filename', css_bundle)
self.assertEqual(css_bundle['output_filename'],
'%s/css/default.min.css' % extension.id)
self.assertIn('source_filenames', js_bundle)
self.assertEqual(js_bundle['source_filenames'],
['ext/%s/test.js' % extension.id])
self.assertIn('output_filename', js_bundle)
self.assertEqual(js_bundle['output_filename'],
'%s/js/default.min.js' % extension.id)
def test_disable_unregisters_static_bundles(self):
"""Testing ExtensionManager unregisters static bundles when disabling extension"""
settings.PIPELINE_CSS = {}
settings.PIPELINE_JS = {}
extension = self.extension_class(extension_manager=self.manager)
extension = self.manager.enable_extension(self.extension_class.id)
self.assertEqual(len(settings.PIPELINE_CSS), 1)
self.assertEqual(len(settings.PIPELINE_JS), 1)
self.manager.disable_extension(extension.id)
self.assertEqual(len(settings.PIPELINE_CSS), 0)
self.assertEqual(len(settings.PIPELINE_JS), 0)
def test_extension_list_sync(self):
"""Testing ExtensionManager extension list synchronization cross-process."""
key = 'extension-list-sync'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint]
)
manager1.load()
manager2.load()
self.assertEqual(len(manager1.get_installed_extensions()), 1)
self.assertEqual(len(manager2.get_installed_extensions()), 1)
self.assertEqual(len(manager1.get_enabled_extensions()), 0)
self.assertEqual(len(manager2.get_enabled_extensions()), 0)
manager1.enable_extension(self.extension_class.id)
self.assertEqual(len(manager1.get_enabled_extensions()), 1)
self.assertEqual(len(manager2.get_enabled_extensions()), 0)
self.assertFalse(manager1.is_expired())
self.assertTrue(manager2.is_expired())
manager2.load(full_reload=True)
self.assertEqual(len(manager1.get_enabled_extensions()), 1)
self.assertEqual(len(manager2.get_enabled_extensions()), 1)
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
def test_extension_settings_sync(self):
"""Testing ExtensionManager extension settings synchronization cross-process."""
key = 'extension-settings-sync'
setting_key = 'foo'
setting_val = 'abc123'
manager1 = ExtensionManager(key)
manager2 = ExtensionManager(key)
for manager in (manager1, manager2):
manager._entrypoint_iterator = Mock(
return_value=[self.fake_entrypoint]
)
manager1.load()
extension1 = manager1.enable_extension(self.extension_class.id)
manager2.load()
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
extension2 = manager2.get_enabled_extension(self.extension_class.id)
self.assertNotEqual(extension2, None)
self.assertFalse(setting_key in extension1.settings)
self.assertFalse(setting_key in extension2.settings)
extension1.settings[setting_key] = setting_val
extension1.settings.save()
self.assertFalse(setting_key in extension2.settings)
self.assertFalse(manager1.is_expired())
self.assertTrue(manager2.is_expired())
manager2.load(full_reload=True)
extension2 = manager2.get_enabled_extension(self.extension_class.id)
self.assertFalse(manager1.is_expired())
self.assertFalse(manager2.is_expired())
self.assertTrue(setting_key in extension1.settings)
self.assertTrue(setting_key in extension2.settings)
self.assertEqual(extension1.settings[setting_key], setting_val)
self.assertEqual(extension2.settings[setting_key], setting_val)
