test: add unit tests for handling wildcard namespaces in ScopeMeta

Author: BryanttV

openedx_authz/tests/api/test_data.py

@@ -401,6 +401,58 @@ def test_get_subclass_by_namespaced_key_unknown_scope_raises(self, namespaced_ke
         with self.assertRaisesRegex(ValueError, "Unknown scope"):
             ScopeMeta.get_subclass_by_namespaced_key(namespaced_key)
 
+    @data(
+        "lib^*",
+        "course-v1^*",
+        "ccx-v1^*",
+    )
+    def test_get_subclass_by_namespaced_key_registered_namespace_wildcard_returns_scope_data(
+        self,
+        namespaced_key: str,
+    ):
+        """Test that a bare namespace wildcard for a registered namespace returns ScopeData.
+
+        A key shaped ``namespace^*`` carries a meaningful namespace prefix but no
+        concrete object. When the namespace is registered in ``scope_registry``
+        (e.g. 'lib', 'course-v1', 'ccx-v1') the method returns the base ScopeData
+        class instead of raising.
+
+        Expected Result:
+            - ScopeData is returned
+        """
+        self.assertIs(ScopeMeta.get_subclass_by_namespaced_key(namespaced_key), ScopeData)
+
+    def test_get_subclass_by_namespaced_key_unregistered_namespace_wildcard_raises(self):
+        """Test that a bare namespace wildcard for an unregistered namespace raises ValueError.
+
+        ``xyz^*`` has external_key '*' (the bare wildcard) but the 'xyz' namespace is
+        not registered in ``scope_registry``, so it cannot be resolved to ScopeData.
+
+        Expected Result:
+            - ValueError with "Unknown scope" is raised
+        """
+        with self.assertRaisesRegex(ValueError, "Unknown scope"):
+            ScopeMeta.get_subclass_by_namespaced_key("xyz^*")
+
+    @data(
+        # Wildcard in the middle, not a trailing org/platform glob
+        "lib^lib:*:CSPROB",
+        # Wildcard before the trailing run segment for a course key
+        "course-v1^course-v1:OpenedX+CS*+2025",
+    )
+    def test_get_subclass_by_namespaced_key_invalid_glob_pattern_raises(self, namespaced_key: str):
+        """Test that a wildcard key that is neither a platform nor org glob raises ValueError.
+
+        These keys contain a wildcard (so they are treated as globs) but do not match
+        the platform glob shape (``namespace:*``), the org glob shape
+        (``namespace:ORG<sep>*``), nor the bare namespace wildcard (``namespace^*``).
+
+        Expected Result:
+            - ValueError with "Unknown glob pattern" is raised
+        """
+        with self.assertRaisesRegex(ValueError, "Unknown glob pattern"):
+            ScopeMeta.get_subclass_by_namespaced_key(namespaced_key)
+
     @data(
         ("ccx-v1:OpenedX+DemoX+DemoCourse+ccx@1", CCXCourseOverviewData),
         ("course-v1:WGU+CS002+2025_T1", CourseOverviewData),