def setUp(self): self.hooks = HookManager() self.hooks.new('foo', FilterHook())
class HookManagerTests(unittest.TestCase): def setUp(self): self.hooks = HookManager() self.hooks.new('foo', FilterHook()) def callback(self, *args, **kwargs): self.args = args self.kwargs = kwargs def test_has_no_tests_initially(self): hooks = HookManager() self.assertEqual(hooks.hooks, {}) def test_adds_new_hook(self): self.assertTrue('foo' in self.hooks.hooks) def test_adds_callback(self): self.hooks.add_callback('foo', self.callback) self.assertEqual(self.hooks.hooks['foo'].callbacks, [self.callback]) def test_removes_callback(self): cb_id = self.hooks.add_callback('foo', self.callback) self.hooks.remove_callback('foo', cb_id) self.assertEqual(self.hooks.hooks['foo'].callbacks, []) def test_calls_callbacks(self): self.hooks.add_callback('foo', self.callback) self.hooks.call('foo', 'bar', kwarg='foobar') self.assertEqual(self.args, ('bar',)) self.assertEqual(self.kwargs, {'kwarg': 'foobar'}) def test_call_returns_value_of_callbacks(self): self.hooks.new('bar', FilterHook()) self.hooks.add_callback('bar', lambda data: data + 1) self.assertEqual(self.hooks.call('bar', 1), 2)