added testcases for Tag and TagLine classes

chatmastermind/tags.py

@@ -1,7 +1,7 @@
 """
 Module implementing tag related functions and classes.
 """
-from typing import Type, TypeVar
+from typing import Type, TypeVar, Optional
 
 TagInst = TypeVar('TagInst', bound='Tag')
 TagLineInst = TypeVar('TagLineInst', bound='TagLine')
@@ -103,7 +103,8 @@ class TagLine(str):
                 new_tags.add(t[1])
         return self.from_set(set(sorted(new_tags)))
 
-    def match_tags(self, tags_or: set[Tag], tags_and: set[Tag], tags_not: set[Tag]) -> bool:
+    def match_tags(self, tags_or: Optional[set[Tag]], tags_and: Optional[set[Tag]],
+                   tags_not: Optional[set[Tag]]) -> bool:
         """
         Checks if the current TagLine matches the given tag requirements:
         - 'tags_or' : matches if this TagLine contains ANY of those tags

tests/test_main.py

@@ -337,3 +337,11 @@ class TestTagLine(CmmTestCase):
         tags_and = set()
         tags_not = {Tag('tag2')}
         self.assertFalse(tagline.match_tags(tags_or, tags_and, tags_not))
+
+        # Test case 8: 'tags_or' and 'tags_and' are None, match all tags
+        tags_not = set()
+        self.assertTrue(tagline.match_tags(None, None, tags_not))
+
+        # Test case 9: 'tags_or' and 'tags_and' are None, match all tags except excluded tags
+        tags_not = {Tag('tag2')}
+        self.assertFalse(tagline.match_tags(None, None, tags_not))