diff options
| -rw-r--r-- | tests/bot/rules/test_attachments.py | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/tests/bot/rules/test_attachments.py b/tests/bot/rules/test_attachments.py new file mode 100644 index 000000000..4bb0acf7c --- /dev/null +++ b/tests/bot/rules/test_attachments.py @@ -0,0 +1,52 @@ +import asyncio +import unittest +from dataclasses import dataclass +from typing import Any, List + +from bot.rules import attachments + + +# Using `MagicMock` sadly doesn't work for this usecase +# since it's __eq__ compares the MagicMock's ID. We just +# want to compare the actual attributes we set. +@dataclass +class FakeMessage: + author: str + attachments: List[Any] + + +def msg(total_attachments: int) -> FakeMessage: + return FakeMessage(author='lemon', attachments=list(range(total_attachments))) + + +class AttachmentRuleTests(unittest.TestCase): + """Tests applying the `attachment` antispam rule.""" + + def test_allows_messages_without_too_many_attachments(self): + """Messages without too many attachments are allowed as-is.""" + cases = ( + (msg(0), msg(0), msg(0)), + (msg(2), msg(2)), + (msg(0),), + ) + + for last_message, *recent_messages in cases: + with self.subTest(last_message=last_message, recent_messages=recent_messages): + coro = attachments.apply(last_message, recent_messages, {'max': 5}) + self.assertIsNone(asyncio.run(coro)) + + def test_disallows_messages_with_too_many_attachments(self): + """Messages with too many attachments trigger the rule.""" + cases = ( + ((msg(4), msg(0), msg(6)), [msg(4), msg(6)], 10), + ((msg(6),), [msg(6)], 6), + ((msg(1),) * 6, [msg(1)] * 6, 6), + ) + for messages, relevant_messages, total in cases: + with self.subTest(messages=messages, relevant_messages=relevant_messages, total=total): + last_message, *recent_messages = messages + coro = attachments.apply(last_message, recent_messages, {'max': 5}) + self.assertEqual( + asyncio.run(coro), + (f"sent {total} attachments in 5s", ('lemon',), relevant_messages) + ) |