def test_persistent_registry():
db = DB(DemoStorage())
tm = transaction.TransactionManager()
registry = PersistentRegistry()
siteobj = Site()
with Connection(db, transaction_manager=tm) as conn:
with tm:
conn.root()['site'] = siteobj
siteobj.setLocalRegistry(registry)
registry.register((Interface,), Interface, 'dummy2', dummy2)
with Connection(db) as conn:
site = conn.root()['site']
reg = site.getLocalRegistry()
assert reg is registry
assert reg.lookup((Interface,), Interface, 'dummy2') == dummy2
with Connection(db) as conn:
site = conn.root()['site']
reg = site.getLocalRegistry()
assert Interface.component((Interface,), name='dummy') == dummy
with pytest.raises(ComponentLookupError):
Interface.component((Interface,), name='dummy2')
with LookupContext(reg):
assert Interface.component((Interface,), name='dummy2') == dummy2
with pytest.raises(ComponentLookupError):
Interface.component((Interface,), name='dummy')
with pytest.raises(ComponentLookupError):
Interface.component((Interface,), name='dummy2')
chain = ChainedLookup()
chain.add(implicit.lookup)
implicit.lookup = chain
with Connection(db) as conn:
site = conn.root()['site']
reg = site.getLocalRegistry()
with LookupChainLink(reg):
assert Interface.component((Interface,), name='dummy2') == dummy2
assert Interface.component((Interface,), name='dummy') == dummy
with pytest.raises(ComponentLookupError):
Interface.component((Interface,), name='dummy2')
link = Registry()
link.register((Interface,), Interface, 'dummy', dummy3)
with Connection(db) as conn:
site = conn.root()['site']
reg = site.getLocalRegistry()
with LookupChainLink(reg):
with LookupChainLink(link):
assert Interface.component((Interface,), name='dummy2') == dummy2
assert Interface.component((Interface,), name='dummy') == dummy3
with LookupContext(link):
with pytest.raises(ComponentLookupError):
assert Interface.component((Interface,), name='dummy2') == dummy2
assert Interface.component((Interface,), name='dummy') == dummy3
with pytest.raises(KeyError):
with LookupChainLink(link):
pass
assert Interface.component((Interface,), name='dummy2') == dummy2
assert Interface.component((Interface,), name='dummy') == dummy3
assert Interface.component((Interface,), name='dummy2') == dummy2
assert Interface.component((Interface,), name='dummy') == dummy
