"""Tests for fusion_account_balance MV."""

from odoo.tests.common import TransactionCase, tagged


@tagged('post_install', '-at_install')
class TestAccountBalanceMV(TransactionCase):

    def test_mv_exists_and_is_queryable(self):
        # Force initial refresh, then make sure the model can read it.
        self.env['fusion.account.balance.mv']._refresh(concurrently=False)
        rows = self.env['fusion.account.balance.mv'].search([], limit=5)
        self.assertIsNotNone(rows)

    def test_mv_refresh_concurrent(self):
        # Try concurrent refresh; should either succeed or fall back gracefully.
        try:
            self.env['fusion.account.balance.mv']._refresh(concurrently=True)
        except Exception as e:
            self.fail(f"MV refresh raised: {e}")