add test for message listing in 'around' param

tests/test_messages.py

@@ -0,0 +1,47 @@
+"""
+
+Litecord
+Copyright (C) 2018-2019  Luna Mendes
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, version 3 of the License.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+"""
+
+import pytest
+
+pytestmark = pytest.mark.asyncio
+
+
+async def test_message_listing(test_cli_user):
+    guild = await test_cli_user.create_guild()
+    channel = await test_cli_user.create_guild_channel(guild_id=guild.id)
+    messages = []
+    for _ in range(10):
+        messages.append(
+            await test_cli_user.create_message(guild_id=guild.id, channel_id=channel.id)
+        )
+
+    # assert all messages we just created can be refetched if we give the
+    # middle message to the 'around' parameter
+    middle_message_id = messages[5].id
+
+    resp = await test_cli_user.get(
+        f"/api/v6/channels/{channel.id}/messages",
+        query_string={"around": middle_message_id},
+    )
+    assert resp.status_code == 200
+    rjson = await resp.json
+
+    fetched_ids = [m["id"] for m in rjson]
+    for message in messages:
+        assert str(message.id) in fetched_ids