diff options
Diffstat (limited to 'tests/cogs')
| -rw-r--r-- | tests/cogs/__init__.py | 0 | ||||
| -rw-r--r-- | tests/cogs/test_token_remover.py | 139 |
2 files changed, 139 insertions, 0 deletions
diff --git a/tests/cogs/__init__.py b/tests/cogs/__init__.py new file mode 100644 index 000000000..e69de29bb --- /dev/null +++ b/tests/cogs/__init__.py diff --git a/tests/cogs/test_token_remover.py b/tests/cogs/test_token_remover.py new file mode 100644 index 000000000..e5d3648de --- /dev/null +++ b/tests/cogs/test_token_remover.py @@ -0,0 +1,139 @@ +import asyncio +import logging +import unittest +from unittest.mock import MagicMock + +from discord import Colour + +from bot.cogs.token_remover import ( + DELETION_MESSAGE_TEMPLATE, + TokenRemover, + setup as setup_cog, +) +from bot.constants import Channels, Colours, Event, Icons +from tests.helpers import AsyncMock + + +class TokenRemoverTests(unittest.TestCase): + """Tests the `TokenRemover` cog.""" + + def setUp(self): + """Adds the cog, a bot, and a message to the instance for usage in tests.""" + self.bot = MagicMock() + self.bot.get_cog.return_value = MagicMock() + self.bot.get_cog.return_value.send_log_message = AsyncMock() + self.cog = TokenRemover(bot=self.bot) + + self.msg = MagicMock() + self.msg.author = MagicMock() + self.msg.author.__str__.return_value = 'lemon' + self.msg.author.bot = False + self.msg.author.avatar_url_as.return_value = 'picture-lemon.png' + self.msg.author.id = 42 + self.msg.author.mention = '@lemon' + self.msg.channel.send = AsyncMock() + self.msg.channel.mention = '#lemonade-stand' + self.msg.content = '' + self.msg.delete = AsyncMock() + self.msg.id = 555 + + def test_is_valid_user_id_is_true_for_numeric_content(self): + """A string decoding to numeric characters is a valid user ID.""" + # MTIz = base64(123) + self.assertTrue(TokenRemover.is_valid_user_id('MTIz')) + + def test_is_valid_user_id_is_false_for_alphabetic_content(self): + """A string decoding to alphabetic characters is not a valid user ID.""" + # YWJj = base64(abc) + self.assertFalse(TokenRemover.is_valid_user_id('YWJj')) + + def test_is_valid_timestamp_is_true_for_valid_timestamps(self): + """A string decoding to a valid timestamp should be recognized as such.""" + self.assertTrue(TokenRemover.is_valid_timestamp('DN9r_A')) + + def test_is_valid_timestamp_is_false_for_invalid_values(self): + """A string not decoding to a valid timestamp should not be recognized as such.""" + # MTIz = base64(123) + self.assertFalse(TokenRemover.is_valid_timestamp('MTIz')) + + def test_mod_log_property(self): + """The `mod_log` property should ask the bot to return the `ModLog` cog.""" + self.bot.get_cog.return_value = 'lemon' + self.assertEqual(self.cog.mod_log, self.bot.get_cog.return_value) + self.bot.get_cog.assert_called_once_with('ModLog') + + def test_ignores_bot_messages(self): + """When the message event handler is called with a bot message, nothing is done.""" + self.msg.author.bot = True + coroutine = self.cog.on_message(self.msg) + self.assertIsNone(asyncio.run(coroutine)) + + def test_ignores_messages_without_tokens(self): + """Messages without anything looking like a token are ignored.""" + for content in ('', 'lemon wins'): + with self.subTest(content=content): + self.msg.content = content + coroutine = self.cog.on_message(self.msg) + self.assertIsNone(asyncio.run(coroutine)) + + def test_ignores_messages_with_invalid_tokens(self): + """Messages with values that are invalid tokens are ignored.""" + for content in ('foo.bar.baz', 'x.y.'): + with self.subTest(content=content): + self.msg.content = content + coroutine = self.cog.on_message(self.msg) + self.assertIsNone(asyncio.run(coroutine)) + + def test_censors_valid_tokens(self): + """Valid tokens are censored.""" + cases = ( + # (content, censored_token) + ('MTIz.DN9R_A.xyz', 'MTIz.DN9R_A.xxx'), + ) + + for content, censored_token in cases: + with self.subTest(content=content, censored_token=censored_token): + self.msg.content = content + coroutine = self.cog.on_message(self.msg) + with self.assertLogs(logger='bot.cogs.token_remover', level=logging.DEBUG) as cm: + self.assertIsNone(asyncio.run(coroutine)) # no return value + + [line] = cm.output + log_message = ( + "Censored a seemingly valid token sent by " + "lemon (`42`) in #lemonade-stand, " + f"token was `{censored_token}`" + ) + self.assertIn(log_message, line) + + self.msg.delete.assert_called_once_with() + self.msg.channel.send.assert_called_once_with( + DELETION_MESSAGE_TEMPLATE.format(mention='@lemon') + ) + self.bot.get_cog.assert_called_with('ModLog') + self.msg.author.avatar_url_as.assert_called_once_with(static_format='png') + + mod_log = self.bot.get_cog.return_value + mod_log.ignore.assert_called_once_with(Event.message_delete, self.msg.id) + mod_log.send_log_message.assert_called_once_with( + icon_url=Icons.token_removed, + colour=Colour(Colours.soft_red), + title="Token removed!", + text=log_message, + thumbnail='picture-lemon.png', + channel_id=Channels.mod_alerts + ) + + +class TokenRemoverSetupTests(unittest.TestCase): + """Tests setup of the `TokenRemover` cog.""" + + def test_setup(self): + """Setup of the cog should log a message at `INFO` level.""" + bot = MagicMock() + with self.assertLogs(logger='bot.cogs.token_remover', level=logging.INFO) as cm: + setup_cog(bot) + + [line] = cm.output + bot.add_cog.assert_called_once() + self.assertIn("Cog loaded: TokenRemover", line) |