def check(request, q_id, questionpaper_id=None): """Checks the answers of the user for particular question""" user = request.user q_paper = QuestionPaper.objects.get(id=questionpaper_id) paper = AnswerPaper.objects.get(user=request.user, question_paper=q_paper) if not user.is_authenticated() or paper.end_time < datetime.datetime.now(): return my_redirect('/exam/login/') question = get_object_or_404(Question, pk=q_id) snippet_code = request.POST.get('snippet') skip = request.POST.get('skip', None) success_msg = False success = True if skip is not None: next_q = paper.skip() return show_question(request, next_q, questionpaper_id) # Add the answer submitted, regardless of it being correct or not. if question.type == 'mcq': user_answer = request.POST.get('answer') elif question.type == 'mcc': user_answer = request.POST.getlist('answer') else: user_code = request.POST.get('answer') user_answer = snippet_code + "\n" + user_code new_answer = Answer(question=question, answer=user_answer, correct=False) new_answer.save() paper.answers.add(new_answer) # If we were not skipped, we were asked to check. For any non-mcq # questions, we obtain the results via XML-RPC with the code executed # safely in a separate process (the code_server.py) running as nobody. correct, success, err_msg = validate_answer(user, user_answer, question) if correct: new_answer.correct = correct new_answer.marks = question.points new_answer.error = err_msg success_msg = True else: new_answer.error = err_msg new_answer.save() time_left = paper.time_left() if not success: # Should only happen for non-mcq questions. if time_left == 0: reason = 'Your time is up!' return complete(request, reason, questionpaper_id) if not paper.question_paper.quiz.active: reason = 'The quiz has been deactivated!' return complete(request, reason, questionpaper_id) context = {'question': question, 'error_message': err_msg, 'paper': paper, 'last_attempt': user_code, 'quiz_name': paper.question_paper.quiz.description, 'time_left': time_left} ci = RequestContext(request) return my_render_to_response('exam/question.html', context, context_instance=ci) else: if time_left <= 0: reason = 'Your time is up!' return complete(request, reason, questionpaper_id) else: next_q = paper.completed_question(question.id) return show_question(request, next_q, questionpaper_id, success_msg)
class AnswerPaperTestCases(unittest.TestCase): @classmethod def setUpClass(self): self.ip = '101.0.0.1' self.user = User.objects.get(id=1) self.profile = self.user.profile self.quiz = Quiz.objects.get(pk=1) self.question_paper = QuestionPaper(quiz=self.quiz, total_marks=3) self.question_paper.save() # create answerpaper self.answerpaper = AnswerPaper(user=self.user, profile=self.profile, questions='1|2|3', question_paper=self.question_paper, start_time='2014-06-13 12:20:19.791297', end_time='2014-06-13 12:50:19.791297', user_ip=self.ip) self.answerpaper.questions_answered = '1' self.answerpaper.save() # answers for the Answer Paper self.answer_right = Answer(question=Question.objects.get(id=1), answer="Demo answer", correct=True, marks=1) self.answer_wrong = Answer(question=Question.objects.get(id=2), answer="My answer", correct=False, marks=0) self.answer_right.save() self.answer_wrong.save() self.answerpaper.answers.add(self.answer_right) self.answerpaper.answers.add(self.answer_wrong) def test_answerpaper(self): """ Test Answer Paper""" self.assertEqual(self.answerpaper.user.username, 'demo_user') self.assertEqual(self.answerpaper.profile_id, 1) self.assertEqual(self.answerpaper.user_ip, self.ip) questions = self.answerpaper.questions num_questions = len(questions.split('|')) self.assertEqual(questions, '1|2|3') self.assertEqual(num_questions, 3) self.assertEqual(self.answerpaper.question_paper, self.question_paper) self.assertEqual(self.answerpaper.start_time, '2014-06-13 12:20:19.791297') self.assertEqual(self.answerpaper.end_time, '2014-06-13 12:50:19.791297') def test_current_question(self): """ Test current_question() method of Answer Paper""" current_question = self.answerpaper.current_question() self.assertEqual(current_question, '2') def test_completed_question(self): """ Test completed_question() method of Answer Paper""" question = self.answerpaper.completed_question(1) self.assertEqual(self.answerpaper.questions_left(), 2) def test_questions_left(self): """ Test questions_left() method of Answer Paper""" self.assertEqual(self.answerpaper.questions_left(), 2) def test_skip(self): """ Test skip() method of Answer Paper""" next_question_id = self.answerpaper.skip() self.assertTrue(next_question_id is not None) self.assertEqual(next_question_id, '3') def test_answered_str(self): """ Test answered_str() method of Answer Paper""" answered_question = self.answerpaper.get_answered_str() self.assertEqual(answered_question, '1') def test_update_marks_obtained(self): """ Test get_marks_obtained() method of Answer Paper""" self.answerpaper.update_marks_obtained() self.assertEqual(self.answerpaper.marks_obtained, 1.0) def test_update_percent(self): """ Test update_percent() method of Answerpaper""" self.answerpaper.update_percent() self.assertEqual(self.answerpaper.percent, 33.33) def test_update_passed(self): """ Test update_passed method of AnswerPaper""" self.answerpaper.update_passed() self.assertFalse(self.answerpaper.passed) def test_get_question_answer(self): """ Test get_question_answer() method of Answer Paper""" answered = self.answerpaper.get_question_answers() first_answer = answered.values()[0][0] self.assertEqual(first_answer.answer, 'Demo answer') self.assertTrue(first_answer.correct) self.assertEqual(len(answered), 2)