def test_singleton(self):
# because we have two releases, we expect this to be the latter.
# e.g. MyNextOpenStackCharm
s = self.target.singleton
self.assertEqual(s.__class__.release, 'mitaka')
self.assertTrue(isinstance(s, MyOpenStackCharm))
# should also be the second one, as it's the latest
self.assertTrue(isinstance(s, MyNextOpenStackCharm))
self.assertTrue(
isinstance(MyOpenStackCharm.singleton, MyOpenStackCharm))
self.assertTrue(
isinstance(chm.OpenStackCharm.singleton, MyOpenStackCharm))
self.assertEqual(s, chm.OpenStackCharm.singleton)
# Note that get_charm_instance() returns NEW instance each time.
self.assertNotEqual(s, chm.get_charm_instance())
# now clear out the singleton and make sure we get the first one using
# a release function
rsf_save = chm._release_selector_function
chm._release_selector_function = None
@chm.register_os_release_selector
def selector():
return 'icehouse'
# This should choose the icehouse version instead of the mitaka version
chm._singleton = None
s = self.target.singleton
self.assertEqual(s.release, 'icehouse')
self.assertEqual(s.__class__.release, 'icehouse')
self.assertFalse(isinstance(s, MyNextOpenStackCharm))
chm._release_selector_function = rsf_save
def test_singleton(self):
# because we have two releases, we expect this to be the latter.
# e.g. MyNextOpenStackCharm
s = self.target.singleton
self.assertEqual(s.__class__.release, 'mitaka')
self.assertTrue(isinstance(s, MyOpenStackCharm))
# should also be the second one, as it's the latest
self.assertTrue(isinstance(s, MyNextOpenStackCharm))
self.assertTrue(isinstance(MyOpenStackCharm.singleton,
MyOpenStackCharm))
self.assertTrue(isinstance(chm.OpenStackCharm.singleton,
MyOpenStackCharm))
self.assertEqual(s, chm.OpenStackCharm.singleton)
# Note that get_charm_instance() returns NEW instance each time.
self.assertNotEqual(s, chm.get_charm_instance())
# now clear out the singleton and make sure we get the first one using
# a release function
rsf_save = chm._release_selector_function
chm._release_selector_function = None
@chm.register_os_release_selector
def selector():
return 'icehouse'
# This should choose the icehouse version instead of the mitaka version
chm._singleton = None
s = self.target.singleton
self.assertEqual(s.release, 'icehouse')
self.assertEqual(s.__class__.release, 'icehouse')
self.assertFalse(isinstance(s, MyNextOpenStackCharm))
chm._release_selector_function = rsf_save
def test_get_default_release(self):
# TODO this may be the wrong logic. Assume latest release if no
# release is passed?
self.assertTrue(isinstance(chm.get_charm_instance(), self.C3))
def test_fail_too_early_series(self):
with self.assertRaises(RuntimeError):
chm.get_charm_instance(release='havana')
def test_get_inbetween(self):
self.assertTrue(
isinstance(chm.get_charm_instance(release='juno'), self.C1))
def test_get_exact(self):
self.assertTrue(
isinstance(chm.get_charm_instance(release='icehouse'), self.C1))
self.assertTrue(
isinstance(chm.get_charm_instance(release='mitaka'), self.C3))
def test_get_default_release(self):
# TODO this may be the wrong logic. Assume latest release if no
# release is passed?
self.assertTrue(isinstance(chm.get_charm_instance(), self.C3))
def test_fail_too_early_series(self):
with self.assertRaises(RuntimeError):
chm.get_charm_instance(release='havana')
def test_get_inbetween(self):
self.assertTrue(
isinstance(chm.get_charm_instance(release='juno'), self.C1))
def test_get_exact(self):
self.assertTrue(
isinstance(chm.get_charm_instance(release='icehouse'), self.C1))
self.assertTrue(
isinstance(chm.get_charm_instance(release='mitaka'), self.C3))