feat: block pay invoice (#2727)

tests/unit/test_services_wallet_limit.py

@@ -0,0 +1,36 @@
+import pytest
+
+from lnbits.core.services import check_wallet_daily_withdraw_limit
+from lnbits.settings import settings
+
+
+@pytest.mark.asyncio
+async def test_no_wallet_limit():
+    settings.lnbits_wallet_limit_daily_max_withdraw = 0
+    result = await check_wallet_daily_withdraw_limit(
+        conn=None, wallet_id="333333", amount_msat=0
+    )
+
+    assert result is None, "No limit set."
+
+
+@pytest.mark.asyncio
+async def test_wallet_limit_but_no_payments():
+    settings.lnbits_wallet_limit_daily_max_withdraw = 5
+    result = await check_wallet_daily_withdraw_limit(
+        conn=None, wallet_id="333333", amount_msat=0
+    )
+
+    assert result is None, "Limit not reqached."
+
+
+@pytest.mark.asyncio
+async def test_no_wallet_spend_allowed():
+    settings.lnbits_wallet_limit_daily_max_withdraw = -1
+
+    with pytest.raises(
+        ValueError, match="It is not allowed to spend funds from this server."
+    ):
+        await check_wallet_daily_withdraw_limit(
+            conn=None, wallet_id="333333", amount_msat=0
+        )