class TestSignals(unittest.TestCase):
def setUp(self):
self.foo = User_dict()
self.messages = []
self.foo.connect('changed', self.callback)
def callback(self, *args):
self.messages.append(args)
def test_update_with_additions(self):
bar = {'foobar': 7}
self.foo.update({'foobar': 7})
self.assertEqual(self.messages[0][1], ('foobar',))
self.foo.update({'fooey': 2})
self.assertEqual(self.messages[1][1], ('fooey',))
self.assertEqual(len(self.messages), 2)
def test_update_with_changes(self):
bar = {'foobar': 7}
self.foo.update({'foobar': 7})
self.assertEqual(self.messages[0][1], ('foobar',))
self.foo.update({'foobar': 8})
self.assertEqual(self.messages[1][1], ('foobar',))
self.assertEqual(len(self.messages), 2)
def test_update_without_changes(self):
bar = {'foobar': 7}
self.foo.update({'foobar': 7})
self.assertEqual(self.messages[0][1], ('foobar',))
self.foo.update({'foobar': 7})
self.assertEqual(len(self.messages), 1)
def test_update_with_several_items(self):
data = {'pluto': 7, 'mickey': 8, 'minnie': 9}
self.foo.update(data)
self.assertEqual(self.messages[0][1], ('mickey', 'minnie', 'pluto'))
self.assertEqual(len(self.messages), 1)
data = {'mickey': 1, 'minnie': 2}
self.foo.update(data)
self.assertEqual(self.messages[1][1], ('mickey', 'minnie'))
self.assertEqual(len(self.messages), 2)
def test__setitem__with_additions(self):
self.foo['too'] = 3
self.assertEqual(self.messages[0][1], ('too',))
def test__setitem__with_changes(self):
self.foo['too'] = 3
self.assertEqual(self.messages[0][1], ('too',))
self.assertEqual(len(self.messages), 1)
self.foo['too'] = 4
self.assertEqual(len(self.messages), 2)
def test__setitem__without_changes(self):
self.foo['too'] = 3
self.assertEqual(self.messages[0][1], ('too',))
self.assertEqual(len(self.messages), 1)
self.foo['too'] = 3
self.assertEqual(len(self.messages), 1)
def test_update_from_dict(self):
foo = User_dict()
bar = {'pluto':2}
foo.update(bar)
self.assertEqual(foo.get('pluto'), 2)