def test_to_do_list_changed(self):
# test that handlers work when the list of items changes totally
item_1 = ToDoItem(description='Something to do')
item_2 = ToDoItem(description='Something else to do', completed=True)
todo_list = ToDoList(items=[item_1, item_2])
item_3 = ToDoItem(description='New thing to do')
item_4 = ToDoItem(description='Another new thing to do')
with self.assertTraitChanges(todo_list, 'remaining_items', count=1):
with self.assertTraitChanges(todo_list, 'remaining', count=1):
todo_list.items = [item_3, item_4]
self.assertEqual(todo_list.remaining_items, [item_3, item_4])
self.assertEqual(todo_list.remaining, 2)
def test_to_do_list(self):
# test that handlers work statically
item_1 = ToDoItem(description='Something to do')
item_2 = ToDoItem(description='Something else to do', completed=True)
todo_list = ToDoList(items=[item_1, item_2])
self.assertEqual(todo_list.remaining_items, [item_1])
self.assertEqual(todo_list.remaining, 1)
def test_model_view_list_model_replaced(self):
# test that changing model works
item_1 = ToDoItem(description='Something to do')
item_2 = ToDoItem(description='Something else to do')
todo_list = ToDoList(items=[item_1, item_2])
model_view = ToDoListModelView(model=todo_list,
display_selection='remaining')
with self.assertTraitChanges(model_view, 'displayed_items', count=1):
model_view.model = ToDoList(items=[item_1])
self.assertEqual(len(model_view.displayed_items), 1)
self.assertEqual(
[controller.model for controller in model_view.displayed_items],
[item_1])
self.assertEqual(model_view.remaining, '1 item remaining')
def test_model_view_plural_remaining(self):
# test 'remaining' property handles plural case
item_1 = ToDoItem(description='Something to do')
item_2 = ToDoItem(description='Something else to do')
todo_list = ToDoList(items=[item_1, item_2])
model_view = ToDoListModelView(model=todo_list)
self.assertEqual(model_view.remaining, '2 items remaining')
def test_model_view_none_remaining(self):
# test 'remaining' property handles zero case
item_1 = ToDoItem(description='Something to do', completed=True)
item_2 = ToDoItem(description='Something else to do', completed=True)
todo_list = ToDoList(items=[item_1, item_2])
model_view = ToDoListModelView(model=todo_list)
self.assertEqual(model_view.remaining, 'No items remaining')
def test_to_do_item_delete(self):
# test that delete button works as expected
item_1 = ToDoItem(description='Something to do')
item_2 = ToDoItem(description='Something else to do', completed=True)
todo_list = ToDoList(items=[item_1, item_2])
controller = ToDoItemController(model=item_1, todo_list=todo_list)
with self.assertTraitChanges(todo_list, 'items_items', count=1):
controller.delete = True
self.assertEqual(todo_list.items, [item_2])
def test_to_do_list_completed_changed(self):
# test that handlers work when an item's status changes
item_1 = ToDoItem(description='Something to do')
item_2 = ToDoItem(description='Something else to do')
todo_list = ToDoList(items=[item_1, item_2])
with self.assertTraitChanges(todo_list, 'remaining_items', count=1):
with self.assertTraitChanges(todo_list, 'remaining', count=1):
item_2.completed = True
self.assertEqual(todo_list.remaining_items, [item_1])
self.assertEqual(todo_list.remaining, 1)
def main():
""" The application entry-point """
# set up the model
todo_list = ToDoList(
items=[ToDoItem(description=item) for item in handle_arguments()])
# defer TraitsUI dependent imports until arguments have been parsed
from todo_list.view import ToDoListModelView
# run the application
model_view = ToDoListModelView(model=todo_list)
model_view.configure_traits()
def test_model_view(self):
# test that handlers work statically
item_1 = ToDoItem(description='Something to do')
item_2 = ToDoItem(description='Something else to do', completed=True)
todo_list = ToDoList(items=[item_1, item_2])
model_view = ToDoListModelView(model=todo_list)
self.assertEqual(len(model_view.displayed_items), 2)
self.assertEqual(
[controller.model for controller in model_view.displayed_items],
todo_list.items)
self.assertEqual(model_view.remaining, '1 item remaining')
def test_to_do_list_items_changed(self):
# test that handlers work when the list of items is modified in-place
item_1 = ToDoItem(description='Something to do')
item_2 = ToDoItem(description='Something else to do', completed=True)
todo_list = ToDoList(items=[item_1, item_2])
item_3 = ToDoItem(description='New thing to do')
with self.assertTraitChanges(todo_list, 'remaining_items', count=1):
with self.assertTraitChanges(todo_list, 'remaining', count=1):
todo_list.items.append(item_3)
self.assertEqual(todo_list.remaining_items, [item_1, item_3])
self.assertEqual(todo_list.remaining, 2)
def test_model_view_selection(self):
# test that 'remaining' selection works
item_1 = ToDoItem(description='Something to do')
item_2 = ToDoItem(description='Something else to do', completed=True)
todo_list = ToDoList(items=[item_1, item_2])
model_view = ToDoListModelView(model=todo_list,
display_selection='remaining')
self.assertEqual(len(model_view.displayed_items), 1)
self.assertEqual(
[controller.model for controller in model_view.displayed_items],
todo_list.remaining_items)
self.assertEqual(model_view.remaining, '1 item remaining')
def test_model_view_new_item(self):
# test that new item action works
item_1 = ToDoItem(description='Something to do')
item_2 = ToDoItem(description='Something else to do', completed=True)
todo_list = ToDoList(items=[item_1, item_2])
model_view = ToDoListModelView(model=todo_list,
display_selection='remaining')
with self.assertTraitChanges(model_view, 'displayed_items', count=1):
model_view.new_item(None)
self.assertEqual(len(model_view.displayed_items), 2)
self.assertEqual(
[controller.model for controller in model_view.displayed_items],
todo_list.remaining_items)
self.assertEqual(model_view.remaining, '2 items remaining')
def main():
""" The application entry-point """
# set up the gettext translation infrastructure
bindtextdomain('todo-list', TRANSLATIONS_DIR)
textdomain('todo-list')
# parse the arguments
items = handle_arguments()
# defer TraitsUI dependent imports until _ is installed in builtins
from todo_list.model import ToDoList, ToDoItem
from todo_list.view import ToDoListModelView
# set up the model
todo_list = ToDoList(
items=[ToDoItem(description=item) for item in items]
)
# run the application
model_view = ToDoListModelView(model=todo_list)
model_view.configure_traits()