initial commit (backend)

2026-09-20 11:45:58 +00:00
commit 033adf023e
65 changed files with 28292 additions and 0 deletions
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+"""
+Тесты для get_next_lesson.
+Проверяют приоритеты: overdue → weak → test → next.
+"""
+import pytest
+from datetime import datetime, timedelta
+
+
+# ─────────────────────────────────────────────
+# ХЕЛПЕРЫ
+# ─────────────────────────────────────────────
+
+async def set_user_level(conn, user_id: int, level: str):
+    await conn.execute("UPDATE users SET current_level = $1 WHERE telegram_id = $2", level, user_id)
+
+
+async def insert_mastery(
+    conn,
+    user_id: int,
+    skill_tag: str,
+    mastery: float,
+    retention: str = "fresh",
+    attempts: int = 3,
+    days_since: int = 0,
+):
+    """Вставляет запись в user_skill_mastery."""
+    last_attempt = datetime.now() - timedelta(days=days_since)
+    await conn.execute("""
+        INSERT INTO user_skill_mastery (
+            user_id, skill_tag, mastery_score, retention_status,
+            attempts_count, last_attempt_at
+        ) VALUES ($1, $2, $3, $4, $5, $6)
+        ON CONFLICT (user_id, skill_tag) DO UPDATE SET
+            mastery_score = $3,
+            retention_status = $4,
+            attempts_count = $5,
+            last_attempt_at = $6
+    """, user_id, skill_tag, mastery, retention, attempts, last_attempt)
+
+
+# ─────────────────────────────────────────────
+# ТЕСТЫ
+# ─────────────────────────────────────────────
+
+async def test_orchestrator_prioritizes_overdue(conn, test_user, create_test_lesson, clean_mastery):
+    """Если есть overdue навык — он выбирается первым."""
+    from routers.orchestrator import get_next_lesson
+    
+    await set_user_level(conn, test_user, "A2")
+    await create_test_lesson("test_skill")
+    await insert_mastery(conn, test_user, "test_skill", mastery=50.0, retention="overdue", days_since=20)
+    
+    result = await get_next_lesson(conn, test_user)
+    
+    assert result["type"] == "review"
+    assert result["reason"] == "overdue"
+
+
+async def test_orchestrator_prioritizes_weak(conn, test_user, create_test_lesson, clean_mastery):
+    """Если нет overdue, но есть weak (mastery < 75) — выбирается он."""
+    from routers.orchestrator import get_next_lesson
+    
+    await set_user_level(conn, test_user, "A2")
+    await create_test_lesson("test_skill")
+    await insert_mastery(conn, test_user, "test_skill", mastery=50.0, retention="fresh", days_since=1)
+    
+    result = await get_next_lesson(conn, test_user)
+    
+    assert result["type"] == "review"
+    assert result["reason"] == "weak_mastery"
+
+
+async def test_orchestrator_prefers_overdue_over_weak(conn, test_user, create_test_lesson, clean_mastery):
+    """Если есть и overdue, и weak — overdue важнее."""
+    from routers.orchestrator import get_next_lesson
+    
+    await set_user_level(conn, test_user, "A2")
+    await create_test_lesson("weak_skill", order=1)
+    await create_test_lesson("overdue_skill", order=2)
+    
+    await insert_mastery(conn, test_user, "weak_skill", mastery=40.0, retention="fresh", days_since=1)
+    await insert_mastery(conn, test_user, "overdue_skill", mastery=60.0, retention="overdue", days_since=20)
+    
+    result = await get_next_lesson(conn, test_user)
+    
+    assert result["reason"] == "overdue"
+
+
+async def test_orchestrator_weak_requires_min_attempts(conn, test_user, create_test_lesson, clean_mastery):
+    """Weak skill требует минимум 2 попытки — если меньше, он не выбирается."""
+    from routers.orchestrator import get_next_lesson
+    
+    await set_user_level(conn, test_user, "A2")
+    await create_test_lesson("test_skill")
+    await insert_mastery(conn, test_user, "test_skill", mastery=50.0, retention="fresh", attempts=1)
+    
+    result = await get_next_lesson(conn, test_user)
+    
+    assert result["reason"] != "weak_mastery"