line/splitline: fremdwährung ok+test+migration

tests/test_line.py

@@ -156,6 +156,71 @@ class LineTestCase(ModuleTestCase):
         self.assertEqual(books[0].lines[0].amount_2nd_currency, Decimal('10.5'))
         self.assertEqual(books[0].lines[0].amount, Decimal('12.0'))
 
+    @with_transaction()
+    def test_line_check_migrate_amount_2nd_currency(self):
+        """ create cashbook, lines, transfer
+            check migration
+        """
+        pool = Pool()
+        Book = pool.get('cashbook.book')
+        Lines = pool.get('cashbook.line')
+        tab_line = Lines.__table__()
+        cursor = Transaction().connection.cursor()
+
+        types = self.prep_type()
+        company = self.prep_company()
+
+        # add EURO, set company-currency to EURO
+        (usd, euro) = self.prep_2nd_currency(company)
+
+        books = Book.create([{
+            'name': 'Book USD',
+            'btype': types.id,
+            'company': company.id,
+            'currency': usd.id,
+            'number_sequ': self.prep_sequence().id,
+            'start_date': date(2022, 5, 1),
+            }, {
+            'name': 'Book EURO',
+            'btype': types.id,
+            'company': company.id,
+            'currency': euro.id,
+            'number_sequ': self.prep_sequence().id,
+            'start_date': date(2022, 5, 1),
+            }])
+        self.assertEqual(len(books), 2)
+        self.assertEqual(books[0].rec_name, 'Book USD | 0.00 usd | Open')
+        self.assertEqual(books[1].rec_name, 'Book EURO | 0.00 € | Open')
+
+        Book.write(*[
+            [books[0]],
+            {
+                'lines': [('create', [{
+                        'date': date(2022, 5, 5),
+                        'description': 'Transfer USD --> EUR',
+                        'bookingtype': 'mvout',
+                        'amount': Decimal('10.0'),
+                        'booktransf': books[1].id,
+                    }])],
+            }])
+        self.assertEqual(len(books[0].lines), 1)
+        self.assertEqual(len(books[1].lines), 0)
+        self.assertEqual(books[0].lines[0].rec_name,
+            '05/05/2022|to|-10.00 usd|Transfer USD --> EUR [Book EURO | 0.00 € | Open]')
+        self.assertEqual(books[0].lines[0].amount_2nd_currency, Decimal('9.52'))
+
+        # clear field 'amount_2nd_currency' to prepare for migration
+        clear_field = tab_line.update(
+                columns = [tab_line.amount_2nd_currency],
+                values = [None],
+                where = (tab_line.id == books[0].lines[0].id),
+            )
+        cursor.execute(*clear_field)
+
+        # migrate
+        Lines.migrate_amount_2nd_currency()
+        self.assertEqual(books[0].lines[0].amount_2nd_currency, Decimal('9.52'))
+
     @with_transaction()
     def test_line_check_transfer_2nd_currency_out(self):
         """ create cashbook, lines, transfer amount between