поправлена гонка статусов от tabnk

tests/domain/test_payment_notifications.py

@@ -1,6 +1,7 @@
 from app.domain.payment_notifications import (
     TBankPaymentNotificationAction,
     resolve_tbank_payment_notification_action,
+    should_apply_tbank_payment_status,
 )
 
 
@@ -53,3 +54,27 @@ def test_unknown_status_acknowledges_only() -> None:
     )
 
     assert result is TBankPaymentNotificationAction.ACKNOWLEDGE_ONLY
+
+
+def test_authorized_does_not_downgrade_confirmed() -> None:
+    assert should_apply_tbank_payment_status("CONFIRMED", "AUTHORIZED") is False
+
+
+def test_confirmed_overwrites_authorized() -> None:
+    assert should_apply_tbank_payment_status("AUTHORIZED", "CONFIRMED") is True
+
+
+def test_first_status_always_applies() -> None:
+    assert should_apply_tbank_payment_status(None, "AUTHORIZED") is True
+
+
+def test_same_status_applies() -> None:
+    assert should_apply_tbank_payment_status("CONFIRMED", "CONFIRMED") is True
+
+
+def test_refund_overwrites_confirmed() -> None:
+    assert should_apply_tbank_payment_status("CONFIRMED", "REFUNDED") is True
+
+
+def test_unknown_status_does_not_overwrite_known() -> None:
+    assert should_apply_tbank_payment_status("CONFIRMED", "WAT") is False