Formalize DGII tax form mapping

tests/test_module.py

@@ -1,5 +1,6 @@
 import unittest
 from collections import Counter
+from datetime import date
 from decimal import Decimal
 from pathlib import Path
 from xml.etree import ElementTree as ET
@@ -51,6 +52,7 @@ class AccountDoTestCase(ModuleTestCase):
         Tax = pool.get('account.tax')
         TaxCode = pool.get('account.tax.code')
         TaxRule = pool.get('account.tax.rule')
+        DgiiTaxMapping = pool.get('account.do.dgii.tax.mapping')
         CreateChart = pool.get('account.create_chart', type='wizard')
 
         currency, = Currency.create([{
@@ -131,6 +133,14 @@ class AccountDoTestCase(ModuleTestCase):
                     ('company', '=', company.id),
                     ('kind', '=', 'purchase'),
                     ], limit=1))
+        self.assertEqual(DgiiTaxMapping.search_count([]), 55)
+        self.assertTrue(DgiiTaxMapping.search([
+                    ('tax_template', '=', ModelData.get_id(
+                            'account_do', 'do_tax_cheques_020')),
+                    ('form', '=', 'ir2'),
+                    ('box', '=', 'financial_expenses_check_transfer_tax_020'),
+                    ('effective_from', '=', date(2026, 7, 3)),
+                    ], limit=1))
         self.assertTrue(Tax.search([
                     ('company', '=', company.id),
                     ('description', '=', 'ITBIS 18% Ventas'),
@@ -361,6 +371,52 @@ class AccountDoUnitTestCase(unittest.TestCase):
             "Decimal('0.20')/100",
             taxes['do_tax_cheques_020']['rate'])
 
+    def test_dgii_tax_mapping_formalizes_every_tax_template(self):
+        taxes = {
+            record_id: values
+            for _, record_id, model, values in _iter_xml_records('tax_do.xml')
+            if model == 'account.tax.template'
+            }
+        mappings = {
+            record_id: values
+            for _, record_id, model, values in _iter_xml_records(
+                'dgii_tax_mapping_data.xml')
+            if model == 'account.do.dgii.tax.mapping'
+            }
+        mapped_taxes = {
+            values['tax_template'] for values in mappings.values()}
+
+        self.assertEqual(len(mappings), 55)
+        self.assertEqual(mapped_taxes, set(taxes))
+        for record_id, values in mappings.items():
+            with self.subTest(record_id=record_id):
+                self.assertTrue(values.get('form'))
+                self.assertTrue(values.get('box'))
+                self.assertTrue(values.get('box_label'))
+                self.assertTrue(values.get('amount_source'))
+                self.assertIn(values.get('operator'), {'+', '-', 'info'})
+                self.assertTrue(values.get('flow'))
+                self.assertTrue(values.get('legal_basis'))
+                tax = taxes[values['tax_template']]
+                if tax.get('type') != 'none':
+                    self.assertTrue(values.get('account_template'))
+
+        by_tax = {
+            values['tax_template']: values
+            for values in mappings.values()
+            }
+        self.assertEqual(by_tax['do_tax_itbis_18_venta']['form'], 'it1')
+        self.assertEqual(by_tax['do_tax_itbis_18_venta']['box'], '16')
+        self.assertEqual(by_tax['do_tax_itbis_18_compra']['box'], '22')
+        self.assertEqual(by_tax['do_tax_itbis_exento']['form'], 'it1_annex_a')
+        self.assertEqual(by_tax['do_tax_itbis_exento']['box'], '04')
+        self.assertEqual(by_tax['do_tax_ret_itbis_75_inf']['box'], '56')
+        self.assertEqual(by_tax['do_tax_ret_isr_ext_27']['form'], '609')
+        self.assertEqual(by_tax['do_tax_cheques_015']['effective_to'],
+            '2026-07-02')
+        self.assertEqual(by_tax['do_tax_cheques_020']['effective_from'],
+            '2026-07-03')
+
     def test_tax_code_templates_use_expected_signs(self):
         codes = {
             record_id: values