def swap(args):
"""Swap-create a new flashcard deck.
Create a new flashcard deck by swapping questions and answers.
Args:
args (argparse.Namespace): command line arguments.
"""
print('Swapping questions and answers from {} and saving to {}.'.format(
args.deck, args.dest))
src = Deck.load(args.deck)
dest = Deck(src.name)
for c in src:
dest.add_card(Flashcard(c.answer, c.question))
dest.save(args.dest)
def create(args):
"""Create a new flashcard deck.
Args:
args (argparse.Namespace): command line arguments.
"""
_logger.info('Creating deck {}.'.format(args.deck))
if os.path.exists(args.deck):
raise ValueError('{} already exists.'.format(args.deck))
name = input('Deck Name: ')
deck = Deck(name)
print('Enter an empty question to finish.')
for idx in itertools.count(1):
q = input('Question #{}: '.format(idx))
if not q:
break
a = input('Answer #{}: '.format(idx))
deck.add_card(Flashcard(q, a))
deck.save(args.deck)
class DeckManipulationTestCase(unittest.TestCase):
def setUp(self):
self.deck_name = 'test deck'
self.deck = Deck(self.deck_name)
self.cards = [
Flashcard('q0', 'a0', 0, 0, str(datetime.datetime.utcnow())),
Flashcard('q1', 'a1', 0, 0, str(datetime.datetime.utcnow())),
Flashcard('q2', 'a2', 0, 0, str(datetime.datetime.utcnow()))
]
for c in self.cards:
self.deck.add_card(c)
def test_iterate(self):
"""Iteration tests."""
self.assertEqual(
frozenset(c for c in self.deck),
frozenset(self.cards)
)
def test_len(self):
"""__len__() tests."""
self.assertEqual(len(self.cards), len(self.deck))
def test_equality(self):
"""__eq__() tests."""
other_deck = Deck('other deck')
for c in self.cards:
other_deck.add_card(c)
other_other_deck = Deck(self.deck_name)
self.assertEqual(self.deck, self.deck)
self.assertNotEqual(self.deck, other_deck)
self.assertNotEqual(self.deck, other_other_deck)
self.assertNotEqual(self.deck, 'not a deck')
def test_load_and_save(self):
"""load() and save() interface tests."""
# Save and load the deck.
with tempfile.NamedTemporaryFile(mode='w', newline='') as tf:
self.deck.save(tf.name, overwrite=True)
saved_deck = Deck.load(tf.name)
# Test.
self.assertEqual(saved_deck, self.deck)
def test_sample_deck_file(self):
"""Load sample deck from README.md test."""
sample = """Name: Sample Deck
Quiz:
Question,Answer,Attempts,Correct,Last Shown
1 + 1, 2
1 + 2, 3
1 + 3, 4
1 + 4, 5
1 + 5, 6
1 + 6, 7
1 + 7, 8
1 + 8, 9
1 + 9, 10
"""
with tempfile.NamedTemporaryFile(mode='w', newline='') as tf:
with open(tf.name, 'w') as f:
f.write(sample)
saved_deck = Deck.load(tf.name)
self.assertEqual(saved_deck.name, 'Sample Deck')
self.assertEqual(len(saved_deck), 9)
def test_answers(self):
"""answers() interface tests."""
expected_answers = frozenset([c.answer for c in self.cards])
self.assertEqual(frozenset(self.deck.answers()), expected_answers)