Example #1
0
 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)
Example #2
0
    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)
Example #3
0
 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)
Example #4
0
 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)
Example #5
0
 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)
Example #6
0
    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)
Example #7
0
 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))
Example #8
0
    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)
Example #9
0
 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)
Example #10
0
 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)
Example #11
0
 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)
Example #12
0
    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)
Example #13
0
 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)
Example #14
0
    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)
Example #15
0
 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)
Example #16
0
    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)
Example #17
0
    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)
Example #18
0
    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)