fix: complete v1.2 account and profile P0 fixes

backend/progression/tests.py

@@ -1,2 +1,60 @@
 
-# Create your tests here.
+import pytest
+from django.utils import timezone
+
+from accounts.models import User
+from contest.models import Contest, Question, RatingHistory, RealtimeMatch
+
+
+@pytest.mark.django_db
+def test_profile_返回实时比赛历史及_rating_变化(client):
+    user = User.objects.create_user(
+        username="profile_player",
+        password="StrongPass_2026",
+        nickname="档案玩家",
+        rating=1016,
+    )
+    opponent = User.objects.create_user(
+        username="profile_opponent",
+        password="StrongPass_2026",
+        nickname="对局对手",
+        rating=984,
+    )
+    contest = Contest.objects.create(
+        slug="profile-realtime",
+        title="档案实时赛",
+        kind=Contest.Kind.REALTIME,
+        track=Question.Track.STANDARD,
+        status=Contest.Status.PUBLISHED,
+    )
+    match = RealtimeMatch.objects.create(
+        contest=contest,
+        player_one=user,
+        player_two=opponent,
+        player_one_rating=1000,
+        player_two_rating=1000,
+        winner=user,
+        status=RealtimeMatch.Status.COMPLETED,
+        completed_at=timezone.now(),
+    )
+    RatingHistory.objects.create(
+        user=user,
+        match=match,
+        rating_before=1000,
+        rating_after=1016,
+        delta=16,
+    )
+    client.force_login(user)
+
+    response = client.get("/api/v1/progression/me/")
+
+    assert response.status_code == 200
+    history = response.json()["recent_matches"]
+    assert len(history) == 1
+    assert history[0]["match_id"] == str(match.id)
+    assert history[0]["contest"] == "档案实时赛"
+    assert history[0]["opponent"] == "对局对手"
+    assert history[0]["result"] == "win"
+    assert history[0]["rating_delta"] == 16
+    assert history[0]["rating_after"] == 1016
+    assert history[0]["completed_at"]