def test_set_get_named_child(self):
"""Children can be set and retrieved by name."""
child = MagicMock()
bc = BaseViewController()
bc.set_named_child('test-child', child)
retrieved_child = bc.get_named_child('test-child')
self.assertEqual(child, retrieved_child)
def test_set_get_named_child(self):
"""Children can be set and retrieved by name."""
child = MagicMock()
bc = BaseViewController()
bc.set_named_child('test-child', child)
retrieved_child = bc.get_named_child('test-child')
self.assertEqual(child, retrieved_child)
class TestBaseControllerFunctions(unittest.TestCase):
def setUp(self):
self.root = BaseViewController()
self.view_state = ViewState(self.root)
def test_set_get_named_child(self):
"""Children can be set and retrieved by name."""
child = MagicMock()
bc = BaseViewController()
bc.set_named_child('test-child', child)
retrieved_child = bc.get_named_child('test-child')
self.assertEqual(child, retrieved_child)
def test_root_controller_path(self):
"""ViewState's root controller has the path 'page'."""
bc = BaseViewController()
ViewState(bc)
self.assertEqual(bc.path, 'page')
def test_root_controller_parent_retrieval(self):
"""The root controller's parent is None."""
bc = BaseViewController()
ViewState(bc)
self.assertIsNone(bc.parent)
def test_is_root_attribute_set(self):
"""Root controller has is_root set to True."""
self.assertTrue(self.root.is_root)
def test_unattached_controller_path_raises_error(self):
"""Retrieving the path for an unattached controller raises UnattachedControllerError."""
bc = BaseViewController()
with self.assertRaises(UnattachedControllerError):
bc.path
def test_child_controller_local_id(self):
"""A controller that is not the root has its local_id set when attached to its parent."""
parent = BaseViewController()
child = BaseViewController()
parent.set_named_child('child-key', child)
self.assertEqual(child.local_id, 'child-key')
def test_named_child_path_generation(self):
"""Test named children paths are generated properly."""
root = BaseViewController()
child = BaseViewController()
ViewState(root)
root.set_named_child('child-key', child)
self.assertEqual(child.path, 'page.child-key')
def test_named_child_post_attach_call(self):
"""Child's post_attach method is called after it is attached to a parent."""
root = BaseViewController()
child = BaseViewController()
child.post_attach = MagicMock()
root.set_named_child('child-key', child)
child.post_attach.assert_called_with()
def test_named_child_replacement_event_calls(self):
"""Replacing a named child calls the pre_detach and post_detach methods on the final controller in the stack that
is being replaced."""
child1 = BaseViewController()
child1.post_attach = MagicMock()
child1.pre_detach = MagicMock()
child1.post_detach = MagicMock()
child2 = BaseViewController()
self.root.set_named_child('child-key', child1)
child1.post_attach.assert_called_with()
self.root.set_named_child('child-key', child2)
child1.pre_detach.assert_called_with()
child1.post_detach.assert_called_with()
def test_view_state_retrieval(self):
"""All controllers in the view hierarchy share the same view_state."""
child = BaseViewController()
self.root.set_named_child('child-key', child)
self.assertEqual(self.root.view_state, self.view_state)
self.assertEqual(child.view_state, self.view_state)
def test_named_child_push(self):
"""After pushing a child to a named stack, it is then retrievable via child. The previous final controller on
the stack should have its pre_detach and post_detach methods called."""
child1 = BaseViewController()
child1.pre_detach = MagicMock()
child1.post_detach = MagicMock()
child2 = BaseViewController()
child2.post_attach = MagicMock()
self.root.push_named_child('child-key', child1)
self.root.push_named_child('child-key', child2)
self.assertEqual(self.root.get_named_child('child-key'), child2)
child1.pre_detach.assert_called_with()
child1.post_detach.assert_called_with()
child2.post_attach.assert_called_with()
def test_named_child_pop(self):
"""After pushing a child to a named stack, it can be popped back off."""
child1 = BaseViewController()
child2 = BaseViewController()
child2.post_detach = MagicMock()
child2.pre_detach = MagicMock()
self.root.push_named_child('child-key', child1)
self.root.push_named_child('child-key', child2)
retrieved_child_2 = self.root.pop_named_child('child-key')
self.assertEqual(child2, retrieved_child_2)
child2.pre_detach.assert_called_with()
child2.post_detach.assert_called_with()
self.assertEqual(self.root.get_named_child('child-key'), child1)
class TestBaseControllerFunctions(unittest.TestCase):
def setUp(self):
self.root = BaseViewController()
self.view_state = ViewState(self.root)
def test_set_get_named_child(self):
"""Children can be set and retrieved by name."""
child = MagicMock()
bc = BaseViewController()
bc.set_named_child('test-child', child)
retrieved_child = bc.get_named_child('test-child')
self.assertEqual(child, retrieved_child)
def test_root_controller_path(self):
"""ViewState's root controller has the path 'page'."""
bc = BaseViewController()
ViewState(bc)
self.assertEqual(bc.path, 'page')
def test_root_controller_parent_retrieval(self):
"""The root controller's parent is None."""
bc = BaseViewController()
ViewState(bc)
self.assertIsNone(bc.parent)
def test_is_root_attribute_set(self):
"""Root controller has is_root set to True."""
self.assertTrue(self.root.is_root)
def test_unattached_controller_path_raises_error(self):
"""Retrieving the path for an unattached controller raises UnattachedControllerError."""
bc = BaseViewController()
with self.assertRaises(UnattachedControllerError):
bc.path
def test_child_controller_local_id(self):
"""A controller that is not the root has its local_id set when attached to its parent."""
parent = BaseViewController()
child = BaseViewController()
parent.set_named_child('child-key', child)
self.assertEqual(child.local_id, 'child-key')
def test_named_child_path_generation(self):
"""Test named children paths are generated properly."""
root = BaseViewController()
child = BaseViewController()
ViewState(root)
root.set_named_child('child-key', child)
self.assertEqual(child.path, 'page.child-key')
def test_named_child_post_attach_call(self):
"""Child's post_attach method is called after it is attached to a parent."""
root = BaseViewController()
child = BaseViewController()
child.post_attach = MagicMock()
root.set_named_child('child-key', child)
child.post_attach.assert_called_with()
def test_named_child_replacement_event_calls(self):
"""Replacing a named child calls the pre_detach and post_detach methods on the final controller in the stack that
is being replaced."""
child1 = BaseViewController()
child1.post_attach = MagicMock()
child1.pre_detach = MagicMock()
child1.post_detach = MagicMock()
child2 = BaseViewController()
self.root.set_named_child('child-key', child1)
child1.post_attach.assert_called_with()
self.root.set_named_child('child-key', child2)
child1.pre_detach.assert_called_with()
child1.post_detach.assert_called_with()
def test_view_state_retrieval(self):
"""All controllers in the view hierarchy share the same view_state."""
child = BaseViewController()
self.root.set_named_child('child-key', child)
self.assertEqual(self.root.view_state, self.view_state)
self.assertEqual(child.view_state, self.view_state)
def test_named_child_push(self):
"""After pushing a child to a named stack, it is then retrievable via child. The previous final controller on
the stack should have its pre_detach and post_detach methods called."""
child1 = BaseViewController()
child1.pre_detach = MagicMock()
child1.post_detach = MagicMock()
child2 = BaseViewController()
child2.post_attach = MagicMock()
self.root.push_named_child('child-key', child1)
self.root.push_named_child('child-key', child2)
self.assertEqual(self.root.get_named_child('child-key'), child2)
child1.pre_detach.assert_called_with()
child1.post_detach.assert_called_with()
child2.post_attach.assert_called_with()
def test_named_child_pop(self):
"""After pushing a child to a named stack, it can be popped back off."""
child1 = BaseViewController()
child2 = BaseViewController()
child2.post_detach = MagicMock()
child2.pre_detach = MagicMock()
self.root.push_named_child('child-key', child1)
self.root.push_named_child('child-key', child2)
retrieved_child_2 = self.root.pop_named_child('child-key')
self.assertEqual(child2, retrieved_child_2)
child2.pre_detach.assert_called_with()
child2.post_detach.assert_called_with()
self.assertEqual(self.root.get_named_child('child-key'), child1)