class TestAtomCache(unittest.TestCase):
def setUp(self):
self.conn = xcb.connect()
self.atoms = AtomCache(self.conn)
def tearDown(self):
self.conn.disconnect()
def assertAtom(self, x):
self.assertTrue(isinstance(x, int) and 0 <= x < 0x1fffffff)
def test_prime_cache(self):
names = set(["ATOM", "BITMAP", "CARDINAL", "UTF8_STRING"])
self.atoms.prime_cache(names)
for name in names:
self.assertAtom(self.atoms[name])
self.assertEqual(set(self.atoms.atoms.keys()), names)
self.assertEqual(set(self.atoms.names.values()), names)
def test_null_atom(self):
self.atoms.prime_cache([None]) # should not raise an exception
self.assertEqual(self.atoms[None], 0)
self.assertEqual(self.atoms.name(0), None)
def test_predefined_atoms(self):
for name in dir(Atom):
if not name.startswith("_"):
self.assertEqual(self.atoms[name], getattr(Atom, name))
# Pre-defined atoms don't get cached using normal lookup.
self.assertFalse(self.atoms.atoms)
def test_atoms(self):
# These atoms are not in the pre-defined Atom class, and so must
# be requested and cached.
names = set(["_NET_WM_NAME", "_NET_WM_ICON_NAME", "UTF8_STRING"])
for name in names:
atom = self.atoms[name]
self.assertAtom(atom)
self.assertTrue(name in self.atoms.atoms)
self.assertEqual(set(self.atoms.atoms.keys()), names)
def test_names(self):
# Names are always requested from the server and cached.
names = set(["ATOM", "BITMAP", "CARDINAL", "UTF8_STRING"])
for name in names:
atom = self.atoms[name]
self.assertEqual(self.atoms.name(atom), name)
self.assertEqual(set(self.atoms.names.values()), names)
def test_encoding(self):
foo = self.atoms[u"foö"]
self.assertAtom(foo)
self.assertEqual(foo, self.atoms[u"foö".encode("Latin-1")])
self.assertEqual(foo, self.atoms.intern(u"foö", encoding="UTF-8"))
self.assertEqual(self.atoms.name(foo), u"foö")
def setUp(self):
self.conn = xcb.connect()
self.atoms = AtomCache(self.conn)
