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from operator import itemgetter
import socket
import prolog.engine
import prolog.util
from server.hints import Hint, HintPopup
id = 175
number = 10
visible = True
facts = None
solution = '''\
prog_listswap --> [begin], instructs175, [end].
instructs175 --> instr175.
instructs175 --> instr175, instructs175.
instr175 --> [left].
instr175 --> [right].
instr175 --> [swap].
'''
# nothing to do in this exercise
initial = '''\
prog_listswap --> [begin], instructs, [end].
instructs --> instr.
instructs --> instr, instructs.
instr --> [left].
instr --> [right].
instr --> [swap].
'''
test_cases = [
('findall(W, (W = [_], prog_listswap(W, [])), Words), Words == []',
[{}]),
('setof(W, [A,B,C,D]^(W = [A,B,C,D], prog_listswap(W, [])), Words), length(Words, 9)',
[{}]),
('prog_listswap([begin,right,right,swap,end], [])',
[{}]),
('prog_listswap([begin,right,right,swap,left,swap,end], [])',
[{}]),
]
def test(code, aux_code):
n_correct = 0
engine_id = None
try:
engine_id, output = prolog.engine.create(code=code+aux_code, timeout=1.0)
if engine_id is not None and 'error' not in map(itemgetter(0), output):
# Engine successfully created, and no syntax error in program.
for query, answers in test_cases:
if prolog.engine.check_answers(engine_id, query=query, answers=answers, timeout=1.0):
n_correct += 1
except socket.timeout:
pass
finally:
if engine_id:
prolog.engine.destroy(engine_id)
hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_cases)}}]
return n_correct, len(test_cases), hints
|
