fix: update exam test logic to handle CSRF token extraction and unanswered question counts

physics/tests/test_physics_exams.py

@@ -140,10 +140,36 @@ def test_exams(db, client):
 
             cid_take_soup = BeautifulSoup(cid_take_res.content, "html.parser")
 
-            # Extract csrftoken
-            csrftoken = cid_take_soup.find(
-                "input", attrs={"name": "csrfmiddlewaretoken"}
-            )["value"]
+            # The question form controls (including CSRF token) are loaded via
+            # the HTMX fragment. Request that fragment and parse it for the
+            # form elements instead of relying on the main container page.
+            if exam_tester.testing_cid_user:
+                frag_url = reverse(
+                    f"{APP_NAME}:exam_take_fragment",
+                    kwargs={
+                        "pk": exam.pk,
+                        "sk": n,
+                        "cid": exam_tester.current_user.cid,
+                        "passcode": exam_tester.current_user.passcode,
+                    },
+                )
+            else:
+                frag_url = reverse(
+                    f"{APP_NAME}:exam_take_fragment_user",
+                    kwargs={
+                        "pk": exam.pk,
+                        "sk": n,
+                    },
+                )
+
+            frag_res = client.get(frag_url)
+            assert frag_res.status_code == HTTPStatus.OK
+            frag_soup = BeautifulSoup(frag_res.content, "html.parser")
+
+            # Extract csrftoken from the fragment
+            csrftoken_el = frag_soup.find("input", attrs={"name": "csrfmiddlewaretoken"})
+            assert csrftoken_el is not None
+            csrftoken = csrftoken_el["value"]
             # Send answers (all TRUE)
             post_json = {
                 "csrfmiddlewaretoken": csrftoken,
@@ -156,7 +182,7 @@ def test_exams(db, client):
             }
             res = client.post(question_url, data=post_json)
 
-            next_button = cid_take_soup.find("button", attrs={"name": "next"})
+            next_button = frag_soup.find("button", attrs={"name": "next"})
 
             # Our final question will trigger a bad request (it shouldn't show a next button)
             # We currently do still save the form though....
@@ -167,10 +193,10 @@ def test_exams(db, client):
                 assert next_button
                 assert res.status_code == HTTPStatus.FOUND
 
-            overview_button = cid_take_soup.find("button", attrs={"name": "finish"})
+            overview_button = frag_soup.find("button", attrs={"name": "finish"})
             assert overview_button
 
-            previous_button = cid_take_soup.find("button", attrs={"name": "previous"})
+            previous_button = frag_soup.find("button", attrs={"name": "previous"})
 
             if n > 0:
                 assert previous_button

rad/tests/test_helpers.py

@@ -327,14 +327,23 @@ class ExamTester:
                 ).text
             )
 
-            assert (
-                len(
+            # Different apps render unanswered markers differently:
+            # - `sbas` uses <button class="unanswered"> nodes
+            # - `physics` uses anchor tiles with a title attribute for unanswered
+            if self.app_name == "sbas":
+                count_unanswered = len(
                     cid_take_overview_soup.find_all(
                         "button", attrs={"class": "unanswered"}
                     )
                 )
-                == total - answered
-            )
+            else:
+                # Count overview tiles that include the "not answered" title
+                overview_tiles = cid_take_overview_soup.find_all(
+                    class_="overview-question-btn"
+                )
+                count_unanswered = sum(1 for t in overview_tiles if t.has_attr("title"))
+
+            assert count_unanswered == total - answered
 
     def check_cid_scores_page(self):
         if self.testing_cid_user:
@@ -457,17 +466,20 @@ class ExamTester:
         alert = cid_exam_scores_soup.find("div", {"class": "alert"})
         assert "Results are not currently published." in str(alert)
 
+        # Find any element with the submitted-user-answer class (div or span)
         submitted_answers = cid_exam_scores_soup.find_all(
-            "span", {"class": "submitted-user-answer"}
+            class_="submitted-user-answer"
         )
 
         # Check that we are showing enough questions / answers
         match self.app_name:
             case "physics":
-                answer_lis = cid_exam_scores_soup.find_all(
-                    "li", {"class": "question-part"}
-                )
-                assert len(answer_lis) == 5 * len(self.generated_questions)
+                # Physics renders per-part answers inside an ordered list
+                # within each question block. Count li elements inside those
+                # lists to get the total number of parts shown.
+                ols = cid_exam_scores_soup.find_all("ol", class_="mb-0")
+                answer_li_count = sum(len(ol.find_all("li")) for ol in ols)
+                assert answer_li_count == 5 * len(self.generated_questions)
                 assert len(submitted_answers) == 5 * len(self.generated_questions)
                 for ans in submitted_answers:
                     assert ans.text.strip() == "True"
@@ -497,10 +509,9 @@ class ExamTester:
         )
         match self.app_name:
             case "physics":
-                answer_lis = cid_exam_scores_soup.find_all(
-                    "li", {"class": "question-part"}
-                )
-                assert len(answer_lis) == 5 * len(self.generated_questions)
+                ols = cid_exam_scores_soup.find_all("ol", class_="mb-0")
+                answer_li_count = sum(len(ol.find_all("li")) for ol in ols)
+                assert answer_li_count == 5 * len(self.generated_questions)
                 assert len(submitted_answers) == 5 * len(self.generated_questions)
 
                 for ans in submitted_answers[:-5]:
@@ -541,9 +552,16 @@ class ExamTester:
         )  # Check our warning banner is gone
 
         # Check that we are displaying the correct answers (correctly)
-        correct_answers = cid_exam_scores_soup.find_all(
-            "span", {"class": "correct-answer"}
-        )
+        # Different apps render correct answers differently. For physics the
+        # template uses a div containing the text "Correct answer: ...".
+        if self.app_name == "physics":
+            correct_answers = [
+                t for t in cid_exam_scores_soup.find_all(string=True) if "Correct answer:" in t
+            ]
+        else:
+            correct_answers = cid_exam_scores_soup.find_all(
+                "span", {"class": "correct-answer"}
+            )
 
         assert len(correct_answers) == self.answers_per_question * len(
             self.generated_questions