def test_task_10_subclasshook(backup_reminders_csv):
test_task_4_DeadlinedReminder()
DeadlinedReminder = dr.DeadlinedReminder
assert '__subclasshook__' in DeadlinedReminder.__dict__,\
'Could not find `__subclasshook__` onto `DeadlinedReminder`'
# NOTE: we should not getattr, as that one is bound *to the class* and the check fails
hook = DeadlinedReminder.__dict__['__subclasshook__']
assert isinstance(hook, classmethod),\
'`__subclasshook__` should be a classmethod'
assert issubclass(EveningReminder, DeadlinedReminder),\
'`__subclasshook__` gives wrong result for class that'\
' respects the protocol of `DeadlinedReminder`'
assert not issubclass(DummyReminder, DeadlinedReminder),\
'`__subclasshook__` gives wrong result for class that '\
' does not respect the protocol of `DeadlinedReminder`'
# --- task_10_add_reminder_evening ---------------------------------
assert hasattr(app, 'EveningReminder'),\
'You did not import/use `EveningReminder` in `app.py`'
try:
database.add_reminder('test_reminder', '1/1/2020', EveningReminder)
except Exception as exc:
pytest.fail('Could not pass an `EveningReminder` to `add_reminder`')
def test_task_8_update_interface(backup_reminders_csv):
add_reminder_params = inspect.signature(database.add_reminder).parameters
assert len(add_reminder_params) >= 2,\
'`database.add_reminder()` should take two parameters'
assert 'text' == list(add_reminder_params)[0],\
'`database.add_reminder() should still take the `text` as first parameter'
assert 'date' == list(add_reminder_params)[1],\
'`database.add_reminder() should take the `date` as second parameter'
assert add_reminder_params['date'].default is inspect.Parameter.empty,\
'`date` should not have a default value in `database.add_reminder()`'
if len(add_reminder_params) > 2:
return
try:
database.add_reminder('test_string', '1/2/2020')
except Exception as ex:
pytest.fail(f'Could not add reminder with text and date. Error: {ex}')
else:
with open('reminders.csv', 'r') as f:
lines = f.readlines()
reader = csv.reader(lines[-1:])
try:
row = next(reader)
except StopIteration:
pytest.fail('database.add_reminder() had no effect')
else:
assert row[0] == 'test_string',\
'database.add_reminder() did not serialize text correctly. Check your DateReminder text'
assert row[1] == '2020-02-01T00:00:00',\
'database.add_reminder() did not serialize date correctly. Check your DateReminder date'
def handle_input():
choice = input("Choice: ")
if choice == "3":
return False
if (choice == "1"):
list_reminders()
elif (choice == "2"):
print()
reminder = input("What would you like to be reminded about?: ")
date = input("When will it be due?")
add_reminder(reminder, date, PoliteReminder)
list_reminders()
else:
print("Invalid menu option")
return True
def handle_input():
choice = input("Choice: ")
if choice == "3":
return False
if choice == "1":
list_reminders()
elif choice == "2":
print()
reminder = input("What would you like to be reminded about?: ")
add_reminder(reminder)
list_reminders()
else:
print("Invalid menu option")
return True
def handle_input():
choice = input("Choice: ")
if choice == "3":
return False
if (choice == "1"):
list_reminders()
elif (choice == "2"):
print()
reminder = input("What would you like to be reminded about?: ")
date = input("When is the due?: ")
# if issubclass(EveningReminder, DeadlinedReminder):
add_reminder(reminder, date, PoliteReminder)
list_reminders()
else:
print("Invalid menu option")
return True
def test_task_9_accept_class(backup_reminders_csv):
test_task_6_is_due()
test_task_7_iter()
# --- correct_imports ---------------------------------------------
assert not hasattr(database, 'PoliteReminder'),\
'You should no longer import `PoliteReminder` in `database`'
assert not hasattr(database, 'DateReminder'),\
'You should no longer import `DateReminder` in `database`'
assert hasattr(database, 'DeadlinedReminder'),\
'You should import `DeadlinedReminder` in `database`'
# --- add_reminder_third_parameter --------------------------------
signature = inspect.signature(database.add_reminder)
params = list(signature.parameters)
assert len(params) == 3,\
'You should pass a third parameter to `add_reminder`'
assert params[2] == 'ReminderClass',\
'The third parameter should be `ReminderClass`'
# --- add_reminder_date -------------------------------------------
database.add_reminder('test_reminder', '1/1/2020', dr.DateReminder)
# --- add_reminder_incorrect --------------------------------------
# NOTE: pytest.raises(TypeError) does not work here as we want custom message
# for the other exceptions, which would bubble up otherwise
error_message = 'You should only allow conforming classes in `add_reminder`.'\
' Did you forget `issubclass()`?'
try:
database.add_reminder('test_reminder', '1/1/2020', DummyReminder)
pytest.fail(error_message)
except TypeError as e:
assert str(e) == 'Invalid Reminder Class', error_message
except Exception:
pytest.fail(error_message)
