Support unban callback

discord/ext/test/backend.py

@@ -331,6 +331,12 @@ async def ban(self, user_id: int, guild_id: int, delete_message_days: int = 1,
 
         delete_member(member)
 
+    async def unban(self, user_id: Snowflake, guild_id: Snowflake, *, reason: str | None = None) -> None:
+        locs = _get_higher_locs(1)
+        guild = locs.get("self", None)
+        member = locs.get("user", None)
+        await callbacks.dispatch_event("unban", guild, member, reason=reason)
+
     async def change_my_nickname(self, guild_id: int, nickname: str, *,
                                  reason: str | None = None) -> _types.member.Nickname:
         locs = _get_higher_locs(1)

tests/test_ban.py

@@ -0,0 +1,20 @@
+
+import pytest
+import discord
+
+
+@pytest.mark.asyncio
+async def test_ban_user(bot: discord.Client):
+    guild = bot.guilds[0]
+    member = guild.members[0]
+    await guild.ban(member)
+
+    assert guild.get_member(member.id) is None
+
+
+@pytest.mark.asyncio
+async def test_unban_user(bot: discord.Client):
+    guild = bot.guilds[0]
+    member = guild.members[0]
+    await guild.ban(member)
+    await guild.unban(member)