def test_hook_scope(self):
kv = Storage(':memory:')
try:
with kv.hook_scope('install') as rev:
self.assertEqual(rev, 1)
kv.set('a', 1)
raise RuntimeError('x')
except RuntimeError:
self.assertEqual(kv.get('a'), None)
with kv.hook_scope('config-changed') as rev:
self.assertEqual(rev, 1)
kv.set('a', 1)
self.assertEqual(kv.get('a'), 1)
kv.revision = None
with kv.hook_scope('start') as rev:
self.assertEqual(rev, 2)
kv.set('a', False)
kv.set('a', True)
self.assertEqual(kv.get('a'), True)
# History doesn't decode values by default
history = [h[:-1] for h in kv.gethistory('a')]
self.assertEqual(
history,
[(1, 'a', '1', 'config-changed'),
(2, 'a', 'true', 'start')])
history = [h[:-1] for h in kv.gethistory('a', deserialize=True)]
self.assertEqual(
history,
[(1, 'a', 1, 'config-changed'),
(2, 'a', True, 'start')])
def test_get_set_unset(self):
kv = Storage(':memory:')
kv.hook_scope('test')
kv.set('hello', 'saucy')
kv.set('hello', 'world')
self.assertEqual(kv.get('hello'), 'world')
kv.flush()
kv.unset('hello')
self.assertEqual(kv.get('hello'), None)
kv.flush(False)
self.assertEqual(kv.get('hello'), 'world')
def test_init_kv_multiple(self):
with tempfile.NamedTemporaryFile() as fh:
kv = Storage(fh.name)
with kv.hook_scope('xyz'):
kv.set('x', 1)
kv.close()
kv = Storage(fh.name)
with kv.hook_scope('abc'):
self.assertEqual(kv.get('x'), 1)
kv.close()
def test_record(self):
kv = Storage(':memory:')
kv.set('config', {'x': 1, 'b': False})
config = kv.get('config', record=True)
self.assertEqual(config.b, False)
self.assertEqual(config.x, 1)
self.assertEqual(kv.set('config.x', 1), 1)
try:
config.z
except AttributeError:
pass
else:
self.fail('attribute error should fire on nonexistant')
