chore: add tests for XBlockSkillsViewSet caching behavior

tests/test_views.py

@@ -14,7 +14,7 @@
 from django.db.models import Count, Sum
 from django.test import Client, RequestFactory, TestCase
 from django.urls import reverse
-
+from edx_django_utils.cache import TieredCache
 from taxonomy.models import JobPath, JobSkills, Skill, SkillCategory, SkillValidationConfiguration
 from taxonomy.utils import generate_and_store_job_to_job_description
 from taxonomy.views import JobSkillsView, admin
@@ -626,6 +626,30 @@ def test_xblocks_api_with_skill_validation_disabled(self):
             assert api_response.status_code == 200
             assert api_response.json() == []
 
+    def test_list_xblock_skills_cache_hit(self):
+        cached_data = {'results': [{'id': str(self.xblock_skills[0].id)}]}
+        with patch.object(
+            TieredCache,
+            'get_cached_response',
+            wraps=TieredCache.get_cached_response
+        ) as mock_get_cached_response:
+            mock_get_cached_response.return_value = mock.MagicMock(is_found=True, value=cached_data)
+            response = self.client.get(self.view_url)
+            self.assertEqual(response.status_code, status.HTTP_200_OK)
+            self.assertEqual(response.data, cached_data)
+            mock_get_cached_response.assert_called_once()
+
+    def test_list_xblock_skills_caching(self):
+        with patch.object(TieredCache, 'set_all_tiers') as mock_set_all_tiers, \
+             patch.object(TieredCache, 'get_cached_response', wraps=TieredCache.get_cached_response) as mock_get_cached_response:
+
+            mock_get_cached_response.return_value = mock.MagicMock(is_found=False)
+            response = self.client.get(self.view_url)
+
+            self.assertEqual(response.status_code, status.HTTP_200_OK)
+            mock_get_cached_response.assert_called_once()
+            mock_set_all_tiers.assert_called_once()
+
 
 @mark.django_db
 class TestJobPathAPIView(TestCase):