def test_walk_multiple(self):
obj = Object()
def callback():
pass
ref = [(callback, i) for i in range(5)]
for r in ref:
add_callback(obj, r[0], r[1])
walk = []
result = True
def walker(callback, args):
walk.append((callback, args))
return result
count = walk_callbacks(obj, walker)
self.assertEqual(count, 0)
self.assertEqual(walk, ref)
self.assertEqual(len(obj._callbacks), 5)
walk = []
result = False
count = walk_callbacks(obj, walker, n=2)
self.assertEqual(count, 2)
self.assertEqual(walk, ref[:2])
self.assertEqual(len(obj._callbacks), 3)
count = walk_callbacks(obj, walker)
self.assertEqual(count, 3)
self.assertEqual(walk, ref)
self.assertIsNone(obj._callbacks)
def test_walk_multiple(self):
obj = Object()
def callback():
pass
ref = [(callback, i) for i in range(5)]
for r in ref:
add_callback(obj, r[0], r[1])
walk = []
result = True
def walker(callback, args):
walk.append((callback, args))
return result
count = walk_callbacks(obj, walker)
self.assertEqual(count, 0)
self.assertEqual(walk, ref)
self.assertEqual(len(obj._callbacks), 5)
walk = []
result = False
count = walk_callbacks(obj, walker, n=2)
self.assertEqual(count, 2)
self.assertEqual(walk, ref[:2])
self.assertEqual(len(obj._callbacks), 3)
count = walk_callbacks(obj, walker)
self.assertEqual(count, 3)
self.assertEqual(walk, ref)
self.assertIsNone(obj._callbacks)
def test_run_one(self):
obj = Object()
cbargs = []
def callback(*args):
cbargs.append(args)
add_callback(obj, callback, (obj,))
run_callbacks(obj)
self.assertEqual(cbargs, [(obj,)])
self.assertIsNone(obj._callbacks)
def test_run_multiple(self):
obj = Object()
cbargs = []
def callback(*args):
cbargs.append(args)
for i in range(5):
add_callback(obj, callback, (obj,))
run_callbacks(obj)
self.assertEqual(cbargs, [(obj,)]*5)
def test_clear_callbacks(self):
obj = Object()
def callback():
pass
for i in range(10):
add_callback(obj, callback)
self.assertEqual(len(obj._callbacks), 10)
clear_callbacks(obj)
self.assertIsNone(obj._callbacks)
def test_run_one(self):
obj = Object()
cbargs = []
def callback(*args):
cbargs.append(args)
add_callback(obj, callback, (obj, ))
run_callbacks(obj)
self.assertEqual(cbargs, [(obj, )])
self.assertIsNone(obj._callbacks)
def test_has_callback(self):
obj = Object()
def callback():
pass
n1 = add_callback(obj, callback)
self.assertTrue(has_callback(obj, n1))
n2 = add_callback(obj, callback)
self.assertTrue(has_callback(obj, n2))
remove_callback(obj, n2)
self.assertFalse(has_callback(obj, n2))
remove_callback(obj, n1)
self.assertFalse(has_callback(obj, n1))
def test_run_multiple(self):
obj = Object()
cbargs = []
def callback(*args):
cbargs.append(args)
for i in range(5):
add_callback(obj, callback, (obj, ))
run_callbacks(obj, n=2)
self.assertEqual(cbargs, [(obj, )] * 2)
run_callbacks(obj)
self.assertEqual(cbargs, [(obj, )] * 5)
def test_add_pop_one(self):
obj = Object()
def callback(*args):
pass
add_callback(obj, callback)
self.assertIsInstance(obj._callbacks, Node)
self.assertIs(obj._callbacks.data, callback)
self.assertEqual(obj._callbacks.extra, ())
self.assertEqual(pop_callback(obj), (callback, ()))
self.assertEqual(obj._callbacks, None)
add_callback(obj, callback, (1, 2))
self.assertIsInstance(obj._callbacks, Node)
self.assertIs(obj._callbacks.data, callback)
self.assertEqual(obj._callbacks.extra, (1, 2))
self.assertEqual(pop_callback(obj), (callback, (1, 2)))
self.assertEqual(obj._callbacks, None)
def test_add_remove_one(self):
obj = Object()
def callback(*args):
pass
handle = add_callback(obj, callback)
self.assertIsInstance(obj._callbacks, Node)
remove_callback(obj, handle)
self.assertIs(obj._callbacks, None)
def test_walk_one(self):
obj = Object()
walk = []
result = True
def callback():
pass
add_callback(obj, callback, ('foo',))
def walker(callback, args):
walk.append((callback, args))
return result
walk_callbacks(obj, walker)
self.assertEqual(walk, [(callback, ('foo',))])
self.assertIsInstance(obj._callbacks, Node)
result = False
walk_callbacks(obj, walker)
self.assertEqual(walk, [(callback, ('foo',))]*2)
self.assertIsNone(obj._callbacks)
def test_add_pop_one(self):
obj = Object()
def callback(*args):
pass
add_callback(obj, callback)
self.assertIsInstance(obj._callbacks, Node)
self.assertIs(obj._callbacks.callback, callback)
self.assertEqual(obj._callbacks.args, ())
self.assertEqual(pop_callback(obj), (callback, ()))
self.assertEqual(obj._callbacks, None)
add_callback(obj, callback, (1, 2))
self.assertIsInstance(obj._callbacks, Node)
self.assertIs(obj._callbacks.callback, callback)
self.assertEqual(obj._callbacks.args, (1, 2))
self.assertEqual(pop_callback(obj), (callback, (1, 2)))
self.assertEqual(obj._callbacks, None)
def test_add_pop_multiple(self):
obj = Object()
def callback(*args):
pass
for i in range(5):
add_callback(obj, callback)
self.assertIsInstance(obj._callbacks, dllist)
for i in range(5):
self.assertEqual(len(obj._callbacks), 5-i)
self.assertEqual(pop_callback(obj), (callback, ()))
self.assertIsNone(obj._callbacks)
for i in range(5):
add_callback(obj, callback, (1, 2))
self.assertIsInstance(obj._callbacks, dllist)
for i in range(5):
self.assertEqual(len(obj._callbacks), 5-i)
self.assertEqual(pop_callback(obj), (callback, (1, 2)))
self.assertIsNone(obj._callbacks)
def test_add_remove_one(self):
obj = Object()
def callback(*args):
pass
handle = add_callback(obj, callback)
self.assertIsInstance(obj._callbacks, Node)
remove_callback(obj, handle)
self.assertIs(obj._callbacks, None)
def test_add_remove_multiple(self):
obj = Object()
def callback(*args):
pass
handles = []
for i in range(5):
handles.append(add_callback(obj, callback))
self.assertIsInstance(obj._callbacks, dllist)
for i in range(5):
self.assertEqual(len(obj._callbacks), 5-i)
remove_callback(obj, handles[i])
self.assertIsNone(obj._callbacks)
handles = []
for i in range(5):
handles.append(add_callback(obj, callback, (1, 2)))
self.assertIsInstance(obj._callbacks, dllist)
for i in range(5):
self.assertEqual(len(obj._callbacks), 5-i)
remove_callback(obj, handles[i])
self.assertIsNone(obj._callbacks)
def test_add_pop_multiple(self):
obj = Object()
def callback(*args):
pass
for i in range(5):
add_callback(obj, callback)
self.assertIsInstance(obj._callbacks, dllist)
for i in range(5):
self.assertEqual(len(obj._callbacks), 5 - i)
self.assertEqual(pop_callback(obj), (callback, ()))
self.assertIsNone(obj._callbacks)
for i in range(5):
add_callback(obj, callback, (1, 2))
self.assertIsInstance(obj._callbacks, dllist)
for i in range(5):
self.assertEqual(len(obj._callbacks), 5 - i)
self.assertEqual(pop_callback(obj), (callback, (1, 2)))
self.assertIsNone(obj._callbacks)
def test_walk_one(self):
obj = Object()
walk = []
result = True
def callback():
pass
add_callback(obj, callback, ('foo', ))
def walker(callback, args):
walk.append((callback, args))
return result
walk_callbacks(obj, walker)
self.assertEqual(walk, [(callback, ('foo', ))])
self.assertIsInstance(obj._callbacks, Node)
result = False
walk_callbacks(obj, walker)
self.assertEqual(walk, [(callback, ('foo', ))] * 2)
self.assertIsNone(obj._callbacks)
def test_add_remove_multiple(self):
obj = Object()
def callback(*args):
pass
handles = []
for i in range(5):
handles.append(add_callback(obj, callback))
self.assertIsInstance(obj._callbacks, dllist)
for i in range(5):
self.assertEqual(len(obj._callbacks), 5 - i)
remove_callback(obj, handles[i])
self.assertIsNone(obj._callbacks)
handles = []
for i in range(5):
handles.append(add_callback(obj, callback, (1, 2)))
self.assertIsInstance(obj._callbacks, dllist)
for i in range(5):
self.assertEqual(len(obj._callbacks), 5 - i)
remove_callback(obj, handles[i])
self.assertIsNone(obj._callbacks)