def test_sdelegator8(self):
"""test kwargs"""
foo = Foo()
sdel = StringifiedDelegator(foo, my_acc=foo.acc, inc=foo.acc)
self.assertEqual(foo.i, 0)
sdel.acc()
sdel.my_acc()
sdel.inc()
self.assertEqual(foo.i, 3)
def test_sdelegator5(self):
"""test __del__ method (delegate it)"""
foo = Foo()
sdel = StringifiedDelegator(foo, foo.__del__)
self.assertFalse(sdel._del)
self.assertFalse(foo._del)
del sdel
self.assertTrue(foo._del)
def test_sdelegator4(self):
"""test __del__ method (not delegated)"""
foo = Foo()
sdel = StringifiedDelegator(foo)
self.assertFalse(sdel._del)
self.assertFalse(foo._del)
del sdel
self.assertFalse(foo._del)
def test_sdelegator7(self):
"""delegator str is immutable"""
foo = Foo()
sdel = StringifiedDelegator(foo)
self.assertEqual(sdel, 'foo')
foo.name = 'bar'
self.assertEqual(str(foo), 'bar')
self.assertEqual(sdel, 'foo')
def test_sdelegator1(self):
"""test simple delegation"""
sdel = StringifiedDelegator(Foo())
self.assertEqual(sdel, 'foo')
self.assertTrue(id(sdel) != id('foo'))
# test attribute delegations
self.assertEqual(sdel.bar, 42)
self.assertEqual(sdel.name, 'foo')
self.assertFalse(sdel._enter)
self.assertFalse(sdel._exit)
# endswith method is not delegated
self.assertTrue(sdel.endswith('o'))
# test some str operations and methods
self.assertEqual(sdel * 3, 'foofoofoo')
self.assertEqual(sdel + 'bar', 'foobar')
self.assertEqual(len(sdel), 3)
self.assertEqual(sdel[1], 'o')
self.assertTrue(sdel.startswith('fo'))
def test_sdelegator1(self):
"""test simple delegation"""
sdel = StringifiedDelegator(Foo())
self.assertEqual(sdel, 'foo')
self.assertTrue(id(sdel) != id('foo'))
# test attribute delegations
self.assertEqual(sdel.bar, 42)
self.assertEqual(sdel.name, 'foo')
self.assertFalse(sdel._enter)
self.assertFalse(sdel._exit)
# endswith method is not delegated
self.assertTrue(sdel.endswith('o'))
# test some str operations and methods
self.assertEqual(sdel * 3, 'foofoofoo')
self.assertEqual(sdel + 'bar', 'foobar')
self.assertEqual(len(sdel), 3)
self.assertEqual(sdel[1], 'o')
self.assertTrue(sdel.startswith('fo'))
def test_sdelegator3(self):
"""test adding special methods"""
foo = Foo()
self.assertFalse(foo._enter)
self.assertFalse(foo._exit)
sdel = StringifiedDelegator(foo, foo.__enter__, foo.__exit__)
with sdel:
self.assertTrue(foo._enter)
self.assertFalse(foo._exit)
self.assertTrue(foo._exit)
def test_sdelegator2(self):
"""add and set attributes"""
foo = Foo()
sdel = StringifiedDelegator(foo)
# modify existing attribute
self.assertEqual(sdel.bar, 42)
self.assertEqual(foo.bar, 42)
sdel.bar = 'bar'
self.assertEqual(sdel.bar, 'bar')
self.assertEqual(foo.bar, 'bar')
# modified bar via the "foo"
foo.bar = -1
self.assertEqual(sdel.bar, -1)
# add attribute
self.assertFalse(hasattr(foo, 'x'))
sdel.x = 0
self.assertTrue(hasattr(sdel, 'x'))
self.assertTrue(hasattr(foo, 'x'))
self.assertEqual(foo.x, 0)
def test_sdelegator2(self):
"""add and set attributes"""
foo = Foo()
sdel = StringifiedDelegator(foo)
# modify existing attribute
self.assertEqual(sdel.bar, 42)
self.assertEqual(foo.bar, 42)
sdel.bar = 'bar'
self.assertEqual(sdel.bar, 'bar')
self.assertEqual(foo.bar, 'bar')
# modified bar via the "foo"
foo.bar = -1
self.assertEqual(sdel.bar, -1)
# add attribute
self.assertFalse(hasattr(foo, 'x'))
sdel.x = 0
self.assertTrue(hasattr(sdel, 'x'))
self.assertTrue(hasattr(foo, 'x'))
self.assertEqual(foo.x, 0)
def test_sdelegator8(self):
"""test kwargs"""
foo = Foo()
sdel = StringifiedDelegator(foo, my_acc=foo.acc, inc=foo.acc)
self.assertEqual(foo.i, 0)
sdel.acc()
sdel.my_acc()
sdel.inc()
self.assertEqual(foo.i, 3)
def test_sdelegator6(self):
"""test __del__ method (two references)"""
foo = Foo()
sdel = StringifiedDelegator(foo, foo.__del__)
ref = sdel
self.assertFalse(sdel._del)
self.assertFalse(foo._del)
del sdel
self.assertFalse(foo._del)
del ref
self.assertTrue(foo._del)
def test_sdelegator9(self):
"""test args and kwargs"""
foo = Foo()
func = lambda: 'foobar'
sdel = StringifiedDelegator(foo, foo.endswith, inc=foo.acc,
foobar=func)
self.assertEqual(sdel, 'foo')
self.assertFalse(sdel.endswith('o'))
sdel.inc()
self.assertEqual(sdel.i, 1)
self.assertEqual(sdel.foobar(), 'foobar')
self.assertFalse(hasattr(foo, 'foobar'))
