start new viva view and add window/level sensitivy to dv3d

atlas/tests/test_cases.py

@@ -233,3 +233,53 @@ def test_linked_cases_editor_is_hidden_until_requested(client, create_user, make
     )
     assert response_with_editor.status_code == 200
     assertContains(response_with_editor, "Case Series Editor")
+
+
+@pytest.mark.django_db
+def test_linked_cases_study_dates_editor_is_hidden_until_requested(client, create_user, make_case):
+    user = create_user
+    case1 = make_case(title="Case 1")
+    case2 = make_case(title="Case 2")
+    case2.previous_case = case1
+    case2.save(update_fields=["previous_case"])
+
+    case1.author.add(user)
+    case2.author.add(user)
+
+    client.force_login(user)
+
+    response_default = client.get(
+        reverse("atlas:linked_cases_overview", kwargs={"case_id": case1.pk})
+    )
+    assert response_default.status_code == 200
+    assertContains(response_default, "Open study dates editor")
+    assert "Study Dates" not in response_default.content.decode("utf-8")
+
+    response_with_editor = client.get(
+        reverse("atlas:linked_cases_overview", kwargs={"case_id": case1.pk}) + "?show_dates=1"
+    )
+    assert response_with_editor.status_code == 200
+    assertContains(response_with_editor, "Study Dates")
+
+
+@pytest.mark.django_db
+def test_linked_case_card_shows_scaled_relative_timeline_label(client, create_user, make_case):
+    user = create_user
+    case1 = make_case(title="Case 1")
+    case2 = make_case(title="Case 2")
+    case2.previous_case = case1
+    case2.study_date = datetime.date(2028, 1, 1)
+    case2.save(update_fields=["previous_case", "study_date"])
+    case1.study_date = datetime.date(2026, 1, 1)
+    case1.save(update_fields=["study_date"])
+
+    case1.author.add(user)
+    case2.author.add(user)
+
+    client.force_login(user)
+
+    response = client.get(
+        reverse("atlas:linked_cases_overview", kwargs={"case_id": case1.pk})
+    )
+    assert response.status_code == 200
+    assertContains(response, "Timeline +2 years")