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import sys
import rpyc
import unittest
is_py3 = sys.version_info >= (3,)
class Meta(type):
def __hash__(self):
return 4321
Base = Meta('Base', (object,), {})
class Foo(Base):
def __hash__(self):
return 1234
class Bar(Foo):
pass
class Mux(Foo):
def __eq__(self, other):
return True
class TestContextManagers(unittest.TestCase):
def setUp(self):
self.conn = rpyc.classic.connect_thread()
def tearDown(self):
self.conn.close()
def test_hash_class(self):
hesh = self.conn.builtins.hash
mod = self.conn.modules.tests.test_magic
self.assertEqual(hash(mod.Base), 4321)
self.assertEqual(hash(mod.Foo), 4321)
self.assertEqual(hash(mod.Bar), 4321)
self.assertEqual(hash(mod.Base().__class__), 4321)
self.assertEqual(hash(mod.Foo().__class__), 4321)
self.assertEqual(hash(mod.Bar().__class__), 4321)
basecl_ = mod.Foo().__class__.__mro__[1]
object_ = mod.Foo().__class__.__mro__[2]
self.assertEqual(hash(basecl_), hesh(basecl_))
self.assertEqual(hash(object_), hesh(object_))
self.assertEqual(hash(object_), hesh(self.conn.builtins.object))
def test_hash_obj(self):
hesh = self.conn.builtins.hash
mod = self.conn.modules.tests.test_magic
obj = mod.Base()
self.assertNotEqual(hash(obj), 1234)
self.assertNotEqual(hash(obj), 4321)
self.assertEqual(hash(obj), hesh(obj))
self.assertEqual(hash(mod.Foo()), 1234)
self.assertEqual(hash(mod.Bar()), 1234)
if is_py3:
# py3 implicitly adds '__hash__=None' during class construction
# if '__eq__ is defined:
self.assertRaises(TypeError, lambda: hash(mod.Mux()))
else:
self.assertEqual(hash(mod.Mux()), 1234)
if __name__ == "__main__":
unittest.main()
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