Add regex support to blacklist and whitelist filters. Strong code, many bananas! 🦍🦍🦍🦍

tests/test_whitelist.py

@@ -38,6 +38,13 @@ def test_has_white_tags() -> None:
     check_if_has_tag(reader, feed, "whitelist_title")
     check_if_has_tag(reader, feed, "whitelist_summary")
     check_if_has_tag(reader, feed, "whitelist_content")
+    check_if_has_tag(reader, feed, "whitelist_author")
+
+    # Test regex whitelist tags
+    check_if_has_tag(reader, feed, "regex_whitelist_title")
+    check_if_has_tag(reader, feed, "regex_whitelist_summary")
+    check_if_has_tag(reader, feed, "regex_whitelist_content")
+    check_if_has_tag(reader, feed, "regex_whitelist_author")
 
     # Clean up
     reader.delete_feed(feed_url)
@@ -109,3 +116,67 @@ def test_should_be_sent() -> None:
     assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"
     reader.delete_tag(feed, "whitelist_author")
     assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"
+
+
+def test_regex_should_be_sent() -> None:
+    """Test the regex filtering functionality for whitelist."""
+    reader: Reader = get_reader()
+
+    # Add feed and update entries
+    reader.add_feed(feed_url)
+    feed: Feed = reader.get_feed(feed_url)
+    reader.update_feeds()
+
+    # Get first entry
+    first_entry: list[Entry] = []
+    entries: Iterable[Entry] = reader.get_entries(feed=feed)
+    assert entries is not None, "Entries should not be None"
+    for entry in entries:
+        first_entry.append(entry)
+        break
+    assert len(first_entry) == 1, "First entry should be added"
+
+    # Test entry without any regex whitelists
+    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"
+
+    # Test regex whitelist for title
+    reader.set_tag(feed, "regex_whitelist_title", r"fvnnn\w+")  # pyright: ignore[reportArgumentType]
+    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent with regex title match"
+    reader.delete_tag(feed, "regex_whitelist_title")
+    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"
+
+    # Test regex whitelist for summary
+    reader.set_tag(feed, "regex_whitelist_summary", r"ffdnfdn\w+")  # pyright: ignore[reportArgumentType]
+    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent with regex summary match"
+    reader.delete_tag(feed, "regex_whitelist_summary")
+    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"
+
+    # Test regex whitelist for content
+    reader.set_tag(feed, "regex_whitelist_content", r"ffdnfdnfdn\w+")  # pyright: ignore[reportArgumentType]
+    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent with regex content match"
+    reader.delete_tag(feed, "regex_whitelist_content")
+    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"
+
+    # Test regex whitelist for author
+    reader.set_tag(feed, "regex_whitelist_author", r"TheLovinator\d*")  # pyright: ignore[reportArgumentType]
+    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent with regex author match"
+    reader.delete_tag(feed, "regex_whitelist_author")
+    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"
+
+    # Test invalid regex pattern (should not raise an exception)
+    reader.set_tag(feed, "regex_whitelist_title", r"[incomplete")  # pyright: ignore[reportArgumentType]
+    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent with invalid regex"
+    reader.delete_tag(feed, "regex_whitelist_title")
+
+    # Test multiple regex patterns separated by commas
+    reader.set_tag(feed, "regex_whitelist_author", r"pattern1,TheLovinator\d*,pattern3")  # pyright: ignore[reportArgumentType]
+    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent with one matching pattern in list"
+    reader.delete_tag(feed, "regex_whitelist_author")
+    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"
+
+    # Test newline-separated regex patterns
+    newline_patterns = "pattern1\nTheLovinator\\d*\npattern3"
+    reader.set_tag(feed, "regex_whitelist_author", newline_patterns)  # pyright: ignore[reportArgumentType]
+    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent with newline-separated patterns"
+    reader.delete_tag(feed, "regex_whitelist_author")
+    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"