#7: Correct support for [global] group in RKD_WHITELIST_GROUPS

Author: blackandred

src/rkd/standardlib/__init__.py

@@ -98,8 +98,11 @@ def execute(self, context: ExecutionContext) -> bool:
             group_name = declaration.get_group_name()
 
             # (optional) whitelists of displayed groups
-            if whitelisted_groups and (':' + group_name) not in whitelisted_groups:
-                continue
+            if whitelisted_groups:
+                group_to_whitelist_check = (':' + group_name) if group_name else ''  # allow empty group ([global])
+
+                if group_to_whitelist_check not in whitelisted_groups:
+                    continue
 
             if group_name not in groups:
                 groups[group_name] = {}

test/test_functional.py

@@ -165,6 +165,18 @@ def test_tasks_whitelist_shows_only_selected_groups(self):
         self.assertIn(':rkd:create-structure', full_output)
         self.assertNotIn(':exec', full_output)
 
+    def test_task_whitelist_shows_only_global_group(self):
+        """Test that when we set RKD_WHITELIST_GROUPS=,, then we will see only tasks from [global] group"""
+
+        try:
+            os.environ['RKD_WHITELIST_GROUPS'] = ','
+            full_output, exit_code = self._run_and_capture_output([':tasks'])
+        finally:
+            os.environ['RKD_WHITELIST_GROUPS'] = ''
+
+        self.assertIn(':tasks', full_output)
+        self.assertNotIn(':rkd:create-structure', full_output)
+
     def test_task_alias_resolves_task(self):
         """Test that with RKD_ALIAS_GROUPS=":py->:class-war" the :class-war:build would be resolved to :py:build"""