diff options
| -rw-r--r-- | bot/cogs/moderation/incidents.py | 13 | ||||
| -rw-r--r-- | tests/bot/cogs/moderation/test_incidents.py | 20 |
2 files changed, 33 insertions, 0 deletions
diff --git a/bot/cogs/moderation/incidents.py b/bot/cogs/moderation/incidents.py index be46c8202..65b0e458e 100644 --- a/bot/cogs/moderation/incidents.py +++ b/bot/cogs/moderation/incidents.py @@ -42,6 +42,19 @@ ALLOWED_ROLES: t.Set[int] = set(Guild.moderation_roles) ALL_SIGNALS: t.Set[str] = {signal.value for signal in Signal} +async def download_file(attachment: discord.Attachment) -> t.Optional[discord.File]: + """ + Download & return `attachment` file. + + If the download fails, the reason is logged and None will be returned. + """ + log.debug(f"Attempting to download attachment: {attachment.filename}") + try: + return await attachment.to_file() + except Exception: + log.exception("Failed to download attachment") + + def make_embed(incident: discord.Message, outcome: Signal, actioned_by: discord.Member) -> discord.Embed: """ Create an embed representation of `incident` for the #incidents-archive channel. diff --git a/tests/bot/cogs/moderation/test_incidents.py b/tests/bot/cogs/moderation/test_incidents.py index 789a37cd4..273916199 100644 --- a/tests/bot/cogs/moderation/test_incidents.py +++ b/tests/bot/cogs/moderation/test_incidents.py @@ -12,6 +12,7 @@ from bot.cogs.moderation import Incidents, incidents from bot.constants import Colours from tests.helpers import ( MockAsyncWebhook, + MockAttachment, MockBot, MockMember, MockMessage, @@ -69,6 +70,25 @@ mock_404 = discord.NotFound( ) +class TestDownloadFile(unittest.IsolatedAsyncioTestCase): + """Collection of tests for the `download_file` helper function.""" + + async def test_download_file_success(self): + """If `to_file` succeeds, function returns the acquired `discord.File`.""" + file = MagicMock(discord.File, filename="bigbadlemon.jpg") + attachment = MockAttachment(to_file=AsyncMock(return_value=file)) + + acquired_file = await incidents.download_file(attachment) + self.assertIs(file, acquired_file) + + async def test_download_file_fail(self): + """If `to_file` fails, function handles the exception & returns None.""" + attachment = MockAttachment(to_file=AsyncMock(side_effect=mock_404)) + + acquired_file = await incidents.download_file(attachment) + self.assertIsNone(acquired_file) + + class TestMakeEmbed(unittest.TestCase): """Collection of tests for the `make_embed` helper function.""" |