diff options
| -rw-r--r-- | bot/cogs/moderation/incidents.py | 36 | ||||
| -rw-r--r-- | tests/bot/cogs/moderation/test_incidents.py | 73 |
2 files changed, 59 insertions, 50 deletions
diff --git a/bot/cogs/moderation/incidents.py b/bot/cogs/moderation/incidents.py index 65b0e458e..018538040 100644 --- a/bot/cogs/moderation/incidents.py +++ b/bot/cogs/moderation/incidents.py @@ -41,6 +41,10 @@ ALLOWED_ROLES: t.Set[int] = set(Guild.moderation_roles) # Message must have all of these emoji to pass the `has_signals` check ALL_SIGNALS: t.Set[str] = {signal.value for signal in Signal} +# An embed coupled with an optional file to be dispatched +# If the file is not None, the embed attempts to show it in its body +FileEmbed = t.Tuple[discord.Embed, t.Optional[discord.File]] + async def download_file(attachment: discord.Attachment) -> t.Optional[discord.File]: """ @@ -55,7 +59,7 @@ async def download_file(attachment: discord.Attachment) -> t.Optional[discord.Fi log.exception("Failed to download attachment") -def make_embed(incident: discord.Message, outcome: Signal, actioned_by: discord.Member) -> discord.Embed: +async def make_embed(incident: discord.Message, outcome: Signal, actioned_by: discord.Member) -> FileEmbed: """ Create an embed representation of `incident` for the #incidents-archive channel. @@ -66,6 +70,11 @@ def make_embed(incident: discord.Message, outcome: Signal, actioned_by: discord. of information will be relayed in other ways, e.g. webhook username. As mentions in embeds do not ping, we do not need to use `incident.clean_content`. + + If `incident` contains attachments, the first attachment will be downloaded and + returned alongside the embed. The embed attempts to display the attachment. + Should the download fail, we fallback on linking the `proxy_url`, which should + remain functional for some time after the original message is deleted. """ log.trace(f"Creating embed for {incident.id=}") @@ -83,7 +92,18 @@ def make_embed(incident: discord.Message, outcome: Signal, actioned_by: discord. ) embed.set_footer(text=footer, icon_url=actioned_by.avatar_url) - return embed + if incident.attachments: + attachment = incident.attachments[0] # User-sent messages can only contain one attachment + file = await download_file(attachment) + + if file is not None: + embed.set_image(url=f"attachment://{attachment.filename}") # Embed displays the attached file + else: + embed.set_author(name="[Failed to relay attachment]", url=attachment.proxy_url) # Embed links the file + else: + file = None + + return embed, file def is_incident(message: discord.Message) -> bool: @@ -215,17 +235,7 @@ class Incidents(Cog): message is not safe to be deleted, as we will lose some information. """ log.debug(f"Archiving incident: {incident.id} (outcome: {outcome}, actioned by: {actioned_by})") - embed = make_embed(incident, outcome, actioned_by) - - # If the incident had an attachment, we will try to relay it - if incident.attachments: - attachment = incident.attachments[0] # User-sent messages can only contain one attachment - log.debug(f"Attempting to archive incident attachment: {attachment.filename}") - - attachment_file = await attachment.to_file() # The file will be sent with the webhook - embed.set_image(url=f"attachment://{attachment.filename}") # Embed displays the attached file - else: - attachment_file = None + embed, attachment_file = await make_embed(incident, outcome, actioned_by) try: webhook = await self.bot.fetch_webhook(Webhooks.incidents_archive) diff --git a/tests/bot/cogs/moderation/test_incidents.py b/tests/bot/cogs/moderation/test_incidents.py index 273916199..9b6054f55 100644 --- a/tests/bot/cogs/moderation/test_incidents.py +++ b/tests/bot/cogs/moderation/test_incidents.py @@ -89,30 +89,58 @@ class TestDownloadFile(unittest.IsolatedAsyncioTestCase): self.assertIsNone(acquired_file) -class TestMakeEmbed(unittest.TestCase): +class TestMakeEmbed(unittest.IsolatedAsyncioTestCase): """Collection of tests for the `make_embed` helper function.""" - def test_make_embed_actioned(self): + async def test_make_embed_actioned(self): """Embed is coloured green and footer contains 'Actioned' when `outcome=Signal.ACTIONED`.""" - embed = incidents.make_embed(MockMessage(), incidents.Signal.ACTIONED, MockMember()) + embed, file = await incidents.make_embed(MockMessage(), incidents.Signal.ACTIONED, MockMember()) self.assertEqual(embed.colour.value, Colours.soft_green) self.assertIn("Actioned", embed.footer.text) - def test_make_embed_not_actioned(self): + async def test_make_embed_not_actioned(self): """Embed is coloured red and footer contains 'Rejected' when `outcome=Signal.NOT_ACTIONED`.""" - embed = incidents.make_embed(MockMessage(), incidents.Signal.NOT_ACTIONED, MockMember()) + embed, file = await incidents.make_embed(MockMessage(), incidents.Signal.NOT_ACTIONED, MockMember()) self.assertEqual(embed.colour.value, Colours.soft_red) self.assertIn("Rejected", embed.footer.text) - def test_make_embed_content(self): + async def test_make_embed_content(self): """Incident content appears as embed description.""" incident = MockMessage(content="this is an incident") - embed = incidents.make_embed(incident, incidents.Signal.ACTIONED, MockMember()) + embed, file = await incidents.make_embed(incident, incidents.Signal.ACTIONED, MockMember()) self.assertEqual(incident.content, embed.description) + async def test_make_embed_with_attachment_succeeds(self): + """Incident's attachment is downloaded and displayed in the embed's image field.""" + file = MagicMock(discord.File, filename="bigbadjoe.jpg") + attachment = MockAttachment(filename="bigbadjoe.jpg") + incident = MockMessage(content="this is an incident", attachments=[attachment]) + + # Patch `download_file` to return our `file` + with patch("bot.cogs.moderation.incidents.download_file", AsyncMock(return_value=file)): + embed, returned_file = await incidents.make_embed(incident, incidents.Signal.ACTIONED, MockMember()) + + self.assertIs(file, returned_file) + self.assertEqual("attachment://bigbadjoe.jpg", embed.image.url) + + async def test_make_embed_with_attachment_fails(self): + """Incident's attachment fails to download, proxy url is linked instead.""" + attachment = MockAttachment(proxy_url="discord.com/bigbadjoe.jpg") + incident = MockMessage(content="this is an incident", attachments=[attachment]) + + # Patch `download_file` to return None as if the download failed + with patch("bot.cogs.moderation.incidents.download_file", AsyncMock(return_value=None)): + embed, returned_file = await incidents.make_embed(incident, incidents.Signal.ACTIONED, MockMember()) + + self.assertIsNone(returned_file) + + # The author name field is simply expected to have something in it, we do not assert the message + self.assertGreater(len(embed.author.name), 0) + self.assertEqual(embed.author.url, "discord.com/bigbadjoe.jpg") # However, it should link the exact url + @patch("bot.constants.Channels.incidents", 123) class TestIsIncident(unittest.TestCase): @@ -343,11 +371,10 @@ class TestArchive(TestIncidents): content="this is an incident", author=MockUser(name="author_name", avatar_url="author_avatar"), id=123, - attachments=[], # This incident has no attachments ) built_embed = MagicMock(discord.Embed, id=123) # We patch `make_embed` to return this - with patch("bot.cogs.moderation.incidents.make_embed", MagicMock(return_value=built_embed)): + with patch("bot.cogs.moderation.incidents.make_embed", AsyncMock(return_value=(built_embed, None))): archive_return = await self.cog_instance.archive(incident, MagicMock(value="A"), MockMember()) # Now we check that the webhook was given the correct args, and that `archive` returned True @@ -359,34 +386,6 @@ class TestArchive(TestIncidents): ) self.assertTrue(archive_return) - async def test_archive_relays_incident_with_attachments(self): - """ - Incident attachments are relayed and displayed in the embed. - - This test asserts the two things that need to happen in order to relay the attachment. - The embed returned by `make_embed` must have the `set_image` method called with the - attachment's filename, and the file must be passed to the webhook's send method. - """ - attachment_file = MagicMock(discord.File) - attachment = MagicMock( - discord.Attachment, - filename="abc.png", - to_file=AsyncMock(return_value=attachment_file), - ) - incident = MockMessage( - attachments=[attachment], - ) - built_embed = MagicMock(discord.Embed) - - with patch("bot.cogs.moderation.incidents.make_embed", MagicMock(return_value=built_embed)): - await self.cog_instance.archive(incident, incidents.Signal.ACTIONED, actioned_by=MockMember()) - - built_embed.set_image.assert_called_once_with(url="attachment://abc.png") - - send_kwargs = self.cog_instance.bot.fetch_webhook.return_value.send.call_args.kwargs - self.assertIn("file", send_kwargs) - self.assertIs(send_kwargs["file"], attachment_file) - async def test_archive_clyde_username(self): """ The archive webhook username is cleansed using `sub_clyde`. |