/usr/lib/python2.7/dist-packages/stevedore/tests/test_callback.py is in python-stevedore 1.12.0-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | """Tests for failure loading callback
"""
from testtools.matchers import GreaterThan
from stevedore import extension
from stevedore.tests import utils
class TestCallback(utils.TestCase):
def test_extension_failure_custom_callback(self):
errors = []
def failure_callback(manager, entrypoint, error):
errors.append((manager, entrypoint, error))
em = extension.ExtensionManager('stevedore.test.extension',
invoke_on_load=True,
on_load_failure_callback=
failure_callback)
extensions = list(em.extensions)
self.assertThat(len(extensions), GreaterThan(0))
self.assertEqual(len(errors), 2)
for manager, entrypoint, error in errors:
self.assertIs(manager, em)
self.assertIsInstance(error, (IOError, ImportError))
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