import unittest
from pathlib import Path
from services.field_perms import FIELD_REGISTRY, FIELD_RESP_KEYS, _FIELD_REGISTRY_ALIASES, _PAGE_ALIASES

ROOT = Path(__file__).resolve().parents[1]
APP = (ROOT / 'static' / 'js' / 'app.js').read_text(encoding='utf-8')

class FieldPermissionCoverageTest(unittest.TestCase):
    def test_product_packaging_is_independent_registry(self):
        self.assertIn('product_packaging', FIELD_REGISTRY)
        self.assertNotEqual(FIELD_REGISTRY['product_packaging'], FIELD_REGISTRY['product_new'])
        self.assertNotIn('product_packaging', _FIELD_REGISTRY_ALIASES)
        self.assertEqual(_PAGE_ALIASES['product_packaging'], ['product_packaging'])
        keys = {f['key'] for f in FIELD_REGISTRY['product_packaging']}
        self.assertIn('供应商', keys)
        self.assertIn('单价/元', keys)
        self.assertIn('货款/元', keys)

    def test_product_packaging_response_keys_are_mapped(self):
        for label, key in [('供应商','supplier'), ('单价/元','unit_price'), ('货款/元','amount')]:
            self.assertEqual(FIELD_RESP_KEYS[('product_packaging', label)][0], key)

    def test_detail_popup_uses_field_permissions(self):
        self.assertIn("window._canViewField('planning', permissionField)", APP)
        self.assertIn("window._canViewField('bom', '成本价')", APP)
        self.assertIn("window._canViewField('bom', '供应商')", APP)

    def test_new_packaging_table_uses_independent_permissions(self):
        self.assertIn("_hasFieldPerm('product_packaging', f.label, 'view')", APP)

if __name__ == '__main__':
    unittest.main()