def test_marks_winner_when_just_one_entry_left(state_with_tally_and_pair):
state = state_with_tally_and_pair
state['entries'] = ()
next_state = next_pair(state)
assert next_state['winner'] == 'Trainspotting'
state = state_with_tally_and_pair
state['vote']['pair'] = reversed(state['vote']['pair'])
state['entries'] = ()
next_state = next_pair(state)
assert next_state['winner'] == 'Trainspotting'
def test_should_put_winner_back_to_entries(state_with_tally_and_pair):
state = state_with_tally_and_pair
next_state = next_pair(state)
assert next_state['vote']['pair'] == ('Sunshine', 'Millions')
assert 'Trainspotting' in next_state['entries']
assert '28 Days Later' not in next_state['entries']
assert 'tally' not in next_state
def test_should_put_all_back_when_tie(state_with_tally_and_pair):
state = state_with_tally_and_pair
state['vote']['tally'] = {'Trainspotting': 3, '28 Days Later': 3}
next_state = next_pair(state)
next_state['vote']['pair'] = ('Sunshine', 'Millions')
assert 'Trainspotting' in next_state['entries']
assert '28 Days Later' in next_state['entries']
assert 'tally' not in next_state
def test_when_there_is_no_entries_and_have_draw(state_with_tally_and_pair):
state = state_with_tally_and_pair
state['entries'] = ()
state['vote']['tally'] = {'Trainspotting': 3, '28 Days Later': 3}
next_state = next_pair(state)
assert next_state['vote']['pair'] == state['vote']['pair']
def test_should_put_winner_back_to_entries_1(state_with_tally_and_pair):
state = state_with_tally_and_pair
state['vote']['pair'] = reversed(state['vote']['pair'])
next_state = next_pair(state)
assert next_state['vote']['pair'] == ('Sunshine', 'Millions')
def test_next_pair_when_entries_is_a_tuple(state):
state['entries'] = tuple(state['entries'])
next_state = next_pair(state)
assert next_state['vote']['pair'] == ('Trainspotting', '28 Days Later')
assert next_state['entries'] == ('Sunshine', )
def test_next_pair_is_immutable(state):
next_state = next_pair(state)
assert next_state != state
assert id(next_state) != id(state)
def test_next_pair(state):
next_state = next_pair(state)
assert next_state['vote']['pair'] == ('Trainspotting', '28 Days Later')
assert next_state['entries'] == ('Sunshine', )