Merge pull request #362 from edx/ihoover/login_enrollment_refactor

refactor login and enrollment test cases to use the mongo modulestore

AUTHORS

@@ -79,3 +79,4 @@ Bethany LaPenta <lapentab@mit.edu>
 Renzo Lucioni <renzolucioni@gmail.com>
 Felix Sun <felixsun@mit.edu>
 Adam Palay <adam@edx.org>
+Ian Hoover <ihoover@edx.org>
\ No newline at end of file

lms/djangoapps/courseware/tests/test_submitting_problems.py

+"""Integration tests for submitting problem responses and getting grades."""
+
+# text processing dependancies
+import json
+from textwrap import dedent
+
+from django.contrib.auth.models import User
+from django.test.client import RequestFactory
+from django.core.urlresolvers import reverse
+from django.test.utils import override_settings
+
+# Need access to internal func to put users in the right group
+from courseware import grades
+from courseware.model_data import ModelDataCache
+
+from xmodule.modulestore.django import modulestore
+
+#import factories and parent testcase modules
+from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
+from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
+from capa.tests.response_xml_factory import OptionResponseXMLFactory, CustomResponseXMLFactory, SchematicResponseXMLFactory
+from courseware.tests.helpers import LoginEnrollmentTestCase
+from courseware.tests.modulestore_config import TEST_DATA_MONGO_MODULESTORE
+
+
+@override_settings(MODULESTORE=TEST_DATA_MONGO_MODULESTORE)
+class TestSubmittingProblems(ModuleStoreTestCase, LoginEnrollmentTestCase):
+    """
+        Check that a course gets graded properly.
+    """
+
+    # arbitrary constant
+    COURSE_SLUG = "100"
+    COURSE_NAME = "test_course"
+
+    def setUp(self):
+
+        # Create course
+        self.course = CourseFactory.create(display_name=self.COURSE_NAME, number=self.COURSE_SLUG)
+        assert self.course, "Couldn't load course %r" % self.COURSE_NAME
+
+        # create a test student
+        self.student = 'view@test.com'
+        self.password = 'foo'
+        self.create_account('u1', self.student, self.password)
+        self.activate_user(self.student)
+        self.enroll(self.course)
+        self.student_user = User.objects.get(email=self.student)
+        self.factory = RequestFactory()
+
+    def refresh_course(self):
+        """
+        Re-fetch the course from the database so that the object being dealt with has everything added to it.
+        """
+        self.course = modulestore().get_instance(self.course.id, self.course.location)
+
+    def problem_location(self, problem_url_name):
+        """
+        Returns the url of the problem given the problem's name
+        """
+
+        return "i4x://"+self.course.org+"/{}/problem/{}".format(self.COURSE_SLUG, problem_url_name)
+
+    def modx_url(self, problem_location, dispatch):
+        """
+        Return the url needed for the desired action.
+
+        problem_location: location of the problem on which we want some action
+
+        dispatch: the the action string that gets passed to the view as a kwarg
+            example: 'check_problem' for having responses processed
+        """
+        return reverse(
+            'modx_dispatch',
+            kwargs={
+                'course_id': self.course.id,
+                'location': problem_location,
+                'dispatch': dispatch,
+            }
+        )
+
+    def submit_question_answer(self, problem_url_name, responses):
+        """
+        Submit answers to a question.
+
+        Responses is a dict mapping problem ids to answers:
+            {'2_1': 'Correct', '2_2': 'Incorrect'}
+        """
+
+        problem_location = self.problem_location(problem_url_name)
+        modx_url = self.modx_url(problem_location, 'problem_check')
+
+        answer_key_prefix = 'input_i4x-' + self.course.org + '-{}-problem-{}_'.format(self.COURSE_SLUG, problem_url_name)
+
+        # format the response dictionary to be sent in the post request by adding the above prefix to each key
+        response_dict = {(answer_key_prefix + k): v for k, v in responses.items()}
+        resp = self.client.post(modx_url, response_dict)
+
+        return resp
+
+    def reset_question_answer(self, problem_url_name):
+        """
+        Reset specified problem for current user.
+        """
+        problem_location = self.problem_location(problem_url_name)
+        modx_url = self.modx_url(problem_location, 'problem_reset')
+        resp = self.client.post(modx_url)
+        return resp
+
+    def add_dropdown_to_section(self, section_location, name, num_inputs=2):
+        """
+        Create and return a dropdown problem.
+
+        section_location: location object of section in which to create the problem
+            (problems must live in a section to be graded properly)
+
+        name: string name of the problem
+
+        num_input: the number of input fields to create in the problem
+        """
+
+        problem_template = "i4x://edx/templates/problem/Blank_Common_Problem"
+        prob_xml = OptionResponseXMLFactory().build_xml(
+            question_text='The correct answer is Correct',
+            num_inputs=num_inputs,
+            weight=num_inputs,
+            options=['Correct', 'Incorrect'],
+            correct_option='Correct'
+        )
+
+        problem = ItemFactory.create(
+            parent_location=section_location,
+            template=problem_template,
+            data=prob_xml,
+            metadata={'randomize': 'always'},
+            display_name=name
+        )
+
+        # re-fetch the course from the database so the object is up to date
+        self.refresh_course()
+        return problem
+
+    def add_graded_section_to_course(self, name, section_format='Homework'):
+        """
+        Creates a graded homework section within a chapter and returns the section.
+        """
+
+        # if we don't already have a chapter create a new one
+        if not(hasattr(self, 'chapter')):
+            self.chapter = ItemFactory.create(
+                parent_location=self.course.location,
+                template="i4x://edx/templates/chapter/Empty",
+            )
+
+        section = ItemFactory.create(
+            parent_location=self.chapter.location,
+            display_name=name,
+            template="i4x://edx/templates/sequential/Empty",
+            metadata={'graded': True, 'format': section_format}
+        )
+
+        # now that we've added the problem and section to the course
+        # we fetch the course from the database so the object we are
+        # dealing with has these additions
+        self.refresh_course()
+        return section
+
+
+class TestCourseGrader(TestSubmittingProblems):
+    """
+    Suite of tests for the course grader.
+    """
+
+    def add_grading_policy(self, grading_policy):
+        """
+        Add a grading policy to the course.
+        """
+
+        course_data = {'grading_policy': grading_policy}
+        modulestore().update_item(self.course.location, course_data)
+        self.refresh_course()
+
+    def get_grade_summary(self):
+        """
+        calls grades.grade for current user and course.
+
+        the keywords for the returned object are
+        - grade : A final letter grade.
+        - percent : The final percent for the class (rounded up).
+        - section_breakdown : A breakdown of each section that makes
+            up the grade. (For display)
+        - grade_breakdown : A breakdown of the major components that
+            make up the final grade. (For display)
+        """
+
+        model_data_cache = ModelDataCache.cache_for_descriptor_descendents(
+            self.course.id, self.student_user, self.course)
+
+        fake_request = self.factory.get(reverse('progress',
+                                        kwargs={'course_id': self.course.id}))
+
+        return grades.grade(self.student_user, fake_request,
+                            self.course, model_data_cache)
+
+    def get_progress_summary(self):
+        """
+        Return progress summary structure for current user and course.
+
+        Returns
+        - courseware_summary is a summary of all sections with problems in the course.
+        It is organized as an array of chapters, each containing an array of sections,
+        each containing an array of scores. This contains information for graded and
+        ungraded problems, and is good for displaying a course summary with due dates,
+        etc.
+        """
+
+        model_data_cache = ModelDataCache.cache_for_descriptor_descendents(
+            self.course.id, self.student_user, self.course)
+
+        fake_request = self.factory.get(reverse('progress',
+                                        kwargs={'course_id': self.course.id}))
+
+        progress_summary = grades.progress_summary(self.student_user,
+                                                   fake_request,
+                                                   self.course,
+                                                   model_data_cache)
+        return progress_summary
+
+    def check_grade_percent(self, percent):
+        """
+        Assert that percent grade is as expected.
+        """
+        grade_summary = self.get_grade_summary()
+        self.assertEqual(grade_summary['percent'], percent)
+
+    def earned_hw_scores(self):
+        """
+        Global scores, each Score is a Problem Set.
+
+        Returns list of scores: [<points on hw_1>, <poinst on hw_2>, ..., <poinst on hw_n>]
+        """
+        return [s.earned for s in self.get_grade_summary()['totaled_scores']['Homework']]
+
+    def score_for_hw(self, hw_url_name):
+        """
+        Returns list of scores for a given url.
+
+        Returns list of scores for the given homework:
+            [<points on problem_1>, <poinst on problem_2>, ..., <poinst on problem_n>]
+        """
+
+        # list of grade summaries for each section
+        sections_list = []
+        for chapter in self.get_progress_summary():
+            sections_list.extend(chapter['sections'])
+
+        # get the first section that matches the url (there should only be one)
+        hw_section = next(section for section in sections_list if section.get('url_name') == hw_url_name)
+        return [s.earned for s in hw_section['scores']]
+
+    def basic_setup(self):
+        """
+        Set up a simple course for testing basic grading functionality.
+        """
+
+        grading_policy = {
+            "GRADER": [{
+                "type": "Homework",
+                "min_count": 1,
+                "drop_count": 0,
+                "short_label": "HW",
+                "weight": 1.0
+            }],
+            "GRADE_CUTOFFS": {
+            'A': .9,
+            'B': .33
+            }
+        }
+        self.add_grading_policy(grading_policy)
+
+        # set up a simple course with four problems
+        self.homework = self.add_graded_section_to_course('homework')
+        self.add_dropdown_to_section(self.homework.location, 'p1', 1)
+        self.add_dropdown_to_section(self.homework.location, 'p2', 1)
+        self.add_dropdown_to_section(self.homework.location, 'p3', 1)
+        self.refresh_course()
+
+    def weighted_setup(self):
+        """
+        Set up a simple course for testing weighted grading functionality.
+        """
+
+        grading_policy = {
+            "GRADER": [{
+                "type": "Homework",
+                "min_count": 1,
+                "drop_count": 0,
+                "short_label": "HW",
+                "weight": 0.25
+            }, {
+                "type": "Final",
+                "name": "Final Section",
+                "short_label": "Final",
+                "weight": 0.75
+            }]
+        }
+        self.add_grading_policy(grading_policy)
+
+        # set up a structure of 1 homework and 1 final
+        self.homework = self.add_graded_section_to_course('homework')
+        self.problem = self.add_dropdown_to_section(self.homework.location, 'H1P1')
+        self.final = self.add_graded_section_to_course('Final Section', 'Final')
+        self.final_question = self.add_dropdown_to_section(self.final.location, 'FinalQuestion')
+
+    def dropping_setup(self):
+        """
+        Set up a simple course for testing the dropping grading functionality.
+        """
+
+        grading_policy = {
+            "GRADER": [
+            {
+                "type": "Homework",
+                "min_count": 3,
+                "drop_count": 1,
+                "short_label": "HW",
+                "weight": 1
+            }]
+        }
+        self.add_grading_policy(grading_policy)
+
+        # Set up a course structure that just consists of 3 homeworks.
+        # Since the grading policy drops 1 entire homework, each problem is worth 25%
+
+        # names for the problem in the homeworks
+        self.hw1_names = ['h1p1', 'h1p2']
+        self.hw2_names = ['h2p1', 'h2p2']
+        self.hw3_names = ['h3p1', 'h3p2']
+
+        self.homework1 = self.add_graded_section_to_course('homework1')
+        self.add_dropdown_to_section(self.homework1.location, self.hw1_names[0], 1)
+        self.add_dropdown_to_section(self.homework1.location, self.hw1_names[1], 1)
+        self.homework2 = self.add_graded_section_to_course('homework2')
+        self.add_dropdown_to_section(self.homework2.location, self.hw2_names[0], 1)
+        self.add_dropdown_to_section(self.homework2.location, self.hw2_names[1], 1)
+        self.homework3 = self.add_graded_section_to_course('homework3')
+        self.add_dropdown_to_section(self.homework3.location, self.hw3_names[0], 1)
+        self.add_dropdown_to_section(self.homework3.location, self.hw3_names[1], 1)
+
+    def test_none_grade(self):
+        """
+        Check grade is 0 to begin with.
+        """
+        self.basic_setup()
+        self.check_grade_percent(0)
+        self.assertEqual(self.get_grade_summary()['grade'], None)
+
+    def test_b_grade_exact(self):
+        """
+        Check that at exactly the cutoff, the grade is B.
+        """
+        self.basic_setup()
+        self.submit_question_answer('p1', {'2_1': 'Correct'})
+        self.check_grade_percent(0.33)
+        self.assertEqual(self.get_grade_summary()['grade'], 'B')
+
+    def test_b_grade_above(self):
+        """
+        Check grade between cutoffs.
+        """
+        self.basic_setup()
+        self.submit_question_answer('p1', {'2_1': 'Correct'})
+        self.submit_question_answer('p2', {'2_1': 'Correct'})
+        self.check_grade_percent(0.67)
+        self.assertEqual(self.get_grade_summary()['grade'], 'B')
+
+    def test_a_grade(self):
+        """
+        Check that 100 percent completion gets an A
+        """
+        self.basic_setup()
+        self.submit_question_answer('p1', {'2_1': 'Correct'})
+        self.submit_question_answer('p2', {'2_1': 'Correct'})
+        self.submit_question_answer('p3', {'2_1': 'Correct'})
+        self.check_grade_percent(1.0)
+        self.assertEqual(self.get_grade_summary()['grade'], 'A')
+
+    def test_wrong_asnwers(self):
+        """
+        Check that answering incorrectly is graded properly.
+        """
+        self.basic_setup()
+        self.submit_question_answer('p1', {'2_1': 'Correct'})
+        self.submit_question_answer('p2', {'2_1': 'Correct'})
+        self.submit_question_answer('p3', {'2_1': 'Incorrect'})
+        self.check_grade_percent(0.67)
+        self.assertEqual(self.get_grade_summary()['grade'], 'B')
+
+    def test_weighted_homework(self):
+        """
+        Test that the homework section has proper weight.
+        """
+        self.weighted_setup()
+
+        # Get both parts correct
+        self.submit_question_answer('H1P1', {'2_1': 'Correct', '2_2': 'Correct'})
+        self.check_grade_percent(0.25)
+        self.assertEqual(self.earned_hw_scores(), [2.0])   # Order matters
+        self.assertEqual(self.score_for_hw('homework'), [2.0])
+
+    def test_weighted_exam(self):
+        """
+        Test that the exam section has the proper weight.
+        """
+        self.weighted_setup()
+        self.submit_question_answer('FinalQuestion', {'2_1': 'Correct', '2_2': 'Correct'})
+        self.check_grade_percent(0.75)
+
+    def test_weighted_total(self):
+        """
+        Test that the weighted total adds to 100.
+        """
+        self.weighted_setup()
+        self.submit_question_answer('H1P1', {'2_1': 'Correct', '2_2': 'Correct'})
+        self.submit_question_answer('FinalQuestion', {'2_1': 'Correct', '2_2': 'Correct'})
+        self.check_grade_percent(1.0)
+
+    def dropping_homework_stage1(self):
+        """
+        Get half the first homework correct and all of the second
+        """
+        self.submit_question_answer(self.hw1_names[0], {'2_1': 'Correct'})
+        self.submit_question_answer(self.hw1_names[1], {'2_1': 'Incorrect'})
+        for name in self.hw2_names:
+            self.submit_question_answer(name, {'2_1': 'Correct'})
+
+    def test_dropping_grades_normally(self):
+        """
+        Test that the dropping policy does not change things before it should.
+        """
+        self.dropping_setup()
+        self.dropping_homework_stage1()
+
+        self.assertEqual(self.score_for_hw('homework1'), [1.0, 0.0])
+        self.assertEqual(self.score_for_hw('homework2'), [1.0, 1.0])
+        self.assertEqual(self.earned_hw_scores(), [1.0, 2.0, 0])   # Order matters
+        self.check_grade_percent(0.75)
+
+    def test_dropping_nochange(self):
+        """
+        Tests that grade does not change when making the global homework grade minimum not unique.
+        """
+        self.dropping_setup()
+        self.dropping_homework_stage1()
+        self.submit_question_answer(self.hw3_names[0], {'2_1': 'Correct'})
+
+        self.assertEqual(self.score_for_hw('homework1'), [1.0, 0.0])
+        self.assertEqual(self.score_for_hw('homework2'), [1.0, 1.0])
+        self.assertEqual(self.score_for_hw('homework3'), [1.0, 0.0])
+        self.assertEqual(self.earned_hw_scores(), [1.0, 2.0, 1.0])   # Order matters
+        self.check_grade_percent(0.75)
+
+    def test_dropping_all_correct(self):
+        """
+        Test that the lowest is dropped for a perfect score.
+        """
+        self.dropping_setup()
+
+        self.dropping_homework_stage1()
+        for name in self.hw3_names:
+            self.submit_question_answer(name, {'2_1': 'Correct'})
+
+        self.check_grade_percent(1.0)
+        self.assertEqual(self.earned_hw_scores(), [1.0, 2.0, 2.0])   # Order matters
+        self.assertEqual(self.score_for_hw('homework3'), [1.0, 1.0])
+
+
+class TestPythonGradedResponse(TestSubmittingProblems):
+    """
+    Check that we can submit a schematic and custom response, and it answers properly.
+    """
+
+    SCHEMATIC_SCRIPT = dedent("""
+        # for a schematic response, submission[i] is the json representation
+        # of the diagram and analysis results for the i-th schematic tag
+
+        def get_tran(json,signal):
+          for element in json:
+            if element[0] == 'transient':
+              return element[1].get(signal,[])
+          return []
+
+        def get_value(at,output):
+          for (t,v) in output:
+            if at == t: return v
+          return None
+
+        output = get_tran(submission[0],'Z')
+        okay = True
+
+        # output should be 1, 1, 1, 1, 1, 0, 0, 0
+        if get_value(0.0000004, output) < 2.7: okay = False;
+        if get_value(0.0000009, output) < 2.7: okay = False;
+        if get_value(0.0000014, output) < 2.7: okay = False;
+        if get_value(0.0000019, output) < 2.7: okay = False;
+        if get_value(0.0000024, output) < 2.7: okay = False;
+        if get_value(0.0000029, output) > 0.25: okay = False;
+        if get_value(0.0000034, output) > 0.25: okay = False;
+        if get_value(0.0000039, output) > 0.25: okay = False;
+
+        correct = ['correct' if okay else 'incorrect']""").strip()
+
+    SCHEMATIC_CORRECT = json.dumps(
+        [['transient', {'Z': [
+            [0.0000004, 2.8],
+            [0.0000009, 2.8],
+            [0.0000014, 2.8],
+            [0.0000019, 2.8],
+            [0.0000024, 2.8],
+            [0.0000029, 0.2],
+            [0.0000034, 0.2],
+            [0.0000039, 0.2]
+        ]}]]
+    )
+
+    SCHEMATIC_INCORRECT = json.dumps(
+        [['transient', {'Z': [
+            [0.0000004, 2.8],
+            [0.0000009, 0.0],  # wrong.
+            [0.0000014, 2.8],
+            [0.0000019, 2.8],
+            [0.0000024, 2.8],
+            [0.0000029, 0.2],
+            [0.0000034, 0.2],
+            [0.0000039, 0.2]
+        ]}]]
+    )
+
+    CUSTOM_RESPONSE_SCRIPT = dedent("""
+        def test_csv(expect, ans):
+            # Take out all spaces in expected answer
+            expect = [i.strip(' ') for i in str(expect).split(',')]
+            # Take out all spaces in student solution
+            ans = [i.strip(' ') for i in str(ans).split(',')]
+
+            def strip_q(x):
+                # Strip quotes around strings if students have entered them
+                stripped_ans = []
+                for item in x:
+                    if item[0] == "'" and item[-1]=="'":
+                        item = item.strip("'")
+                    elif item[0] == '"' and item[-1] == '"':
+                        item = item.strip('"')
+                    stripped_ans.append(item)
+                return stripped_ans
+
+            return strip_q(expect) == strip_q(ans)""").strip()
+
+    CUSTOM_RESPONSE_CORRECT = "0, 1, 2, 3, 4, 5, 'Outside of loop', 6"
+    CUSTOM_RESPONSE_INCORRECT = "Reading my code I see.  I hope you like it :)"
+
+    COMPUTED_ANSWER_SCRIPT = dedent("""
+        if submission[0] == "a shout in the street":
+            correct = ['correct']
+        else:
+            correct = ['incorrect']""").strip()
+
+    COMPUTED_ANSWER_CORRECT = "a shout in the street"
+    COMPUTED_ANSWER_INCORRECT = "because we never let them in"
+
+    def setUp(self):
+        super(TestPythonGradedResponse, self).setUp()
+        self.section = self.add_graded_section_to_course('section')
+        self.correct_responses = {}
+        self.incorrect_responses = {}
+
+    def schematic_setup(self, name):
+        """
+        set up an example Circuit_Schematic_Builder problem
+        """
+
+        schematic_template = "i4x://edx/templates/problem/Circuit_Schematic_Builder"
+        script = self.SCHEMATIC_SCRIPT
+
+        xmldata = SchematicResponseXMLFactory().build_xml(answer=script)
+        ItemFactory.create(
+            parent_location=self.section.location,
+            template=schematic_template,
+            display_name=name,
+            data=xmldata
+        )
+
+        # define the correct and incorrect responses to this problem
+        self.correct_responses[name] = self.SCHEMATIC_CORRECT
+        self.incorrect_responses[name] = self.SCHEMATIC_INCORRECT
+
+        # re-fetch the course from the database so the object is up to date
+        self.refresh_course()
+
+    def custom_response_setup(self, name):
+        """
+        set up an example custom response problem using a check function
+        """
+
+        custom_template = "i4x://edx/templates/problem/Custom_Python-Evaluated_Input"
+        test_csv = self.CUSTOM_RESPONSE_SCRIPT
+        expect = self.CUSTOM_RESPONSE_CORRECT
+        cfn_problem_xml = CustomResponseXMLFactory().build_xml(script=test_csv, cfn='test_csv', expect=expect)
+
+        ItemFactory.create(
+            parent_location=self.section.location,
+            template=custom_template,
+            data=cfn_problem_xml,
+            display_name=name
+        )
+
+        # define the correct and incorrect responses to this problem
+        self.correct_responses[name] = expect
+        self.incorrect_responses[name] = self.CUSTOM_RESPONSE_INCORRECT
+
+        # re-fetch the course from the database so the object is up to date
+        self.refresh_course()
+
+    def computed_answer_setup(self, name):
+        """
+        set up an example problem using an answer script'''
+        """
+
+        script = self.COMPUTED_ANSWER_SCRIPT
+
+        custom_template = "i4x://edx/templates/problem/Custom_Python-Evaluated_Input"
+
+        computed_xml = CustomResponseXMLFactory().build_xml(answer=script)
+
+        ItemFactory.create(
+            parent_location=self.section.location,
+            template=custom_template,
+            data=computed_xml,
+            display_name=name
+        )
+
+        # define the correct and incorrect responses to this problem
+        self.correct_responses[name] = self.COMPUTED_ANSWER_CORRECT
+        self.incorrect_responses[name] = self.COMPUTED_ANSWER_INCORRECT
+
+        # re-fetch the course from the database so the object is up to date
+        self.refresh_course()
+
+    def _check_correct(self, name):
+        """
+        check that problem named "name" gets evaluated correctly correctly
+        """
+        resp = self.submit_question_answer(name, {'2_1': self.correct_responses[name]})
+
+        respdata = json.loads(resp.content)
+        self.assertEqual(respdata['success'], 'correct')
+
+    def _check_incorrect(self, name):
+        """
+        check that problem named "name" gets evaluated incorrectly correctly
+        """
+        resp = self.submit_question_answer(name, {'2_1': self.incorrect_responses[name]})
+
+        respdata = json.loads(resp.content)
+        self.assertEqual(respdata['success'], 'incorrect')
+
+    def _check_ireset(self, name):
+        """
+        Check that the problem can be reset
+        """
+        # first, get the question wrong
+        resp = self.submit_question_answer(name, {'2_1': self.incorrect_responses[name]})
+        # reset the question
+        self.reset_question_answer(name)
+        # then get it right
+        resp = self.submit_question_answer(name, {'2_1': self.correct_responses[name]})
+
+        respdata = json.loads(resp.content)
+        self.assertEqual(respdata['success'], 'correct')
+
+    def test_schematic_correct(self):
+        name = "schematic_problem"
+        self.schematic_setup(name)
+        self._check_correct(name)
+
+    def test_schematic_incorrect(self):
+        name = "schematic_problem"
+        self.schematic_setup(name)
+        self._check_incorrect(name)
+
+    def test_schematic_reset(self):
+        name = "schematic_problem"
+        self.schematic_setup(name)
+        self._check_ireset(name)
+
+    def test_check_function_correct(self):
+        name = 'cfn_problem'
+        self.custom_response_setup(name)
+        self._check_correct(name)
+
+    def test_check_function_incorrect(self):
+        name = 'cfn_problem'
+        self.custom_response_setup(name)
+        self._check_incorrect(name)
+
+    def test_check_function_reset(self):
+        name = 'cfn_problem'
+        self.custom_response_setup(name)
+        self._check_ireset(name)
+
+    def test_computed_correct(self):
+        name = 'computed_answer'
+        self.computed_answer_setup(name)
+        self._check_correct(name)
+
+    def test_computed_incorrect(self):
+        name = 'computed_answer'
+        self.computed_answer_setup(name)
+        self._check_incorrect(name)
+
+    def test_computed_reset(self):
+        name = 'computed_answer'
+        self.computed_answer_setup(name)
+        self._check_ireset(name)