speedup: indexes, caching

tests/__init__.py

@@ -12,12 +12,14 @@ from trytond.modules.cashbook.tests.test_config import ConfigTestCase
 from trytond.modules.cashbook.tests.test_category import CategoryTestCase
 from trytond.modules.cashbook.tests.test_reconciliation import ReconTestCase
 from trytond.modules.cashbook.tests.test_bookingwiz import BookingWizardTestCase
+from trytond.modules.cashbook.tests.test_currency import CurrencyTestCase
 
 
 __all__ = ['suite']
 
 
 class CashbookTestCase(\
+    CurrencyTestCase, \
     BookingWizardTestCase,\
     ReconTestCase,\
     CategoryTestCase,\

tests/test_currency.py

@@ -0,0 +1,82 @@
+# -*- coding: utf-8 -*-
+# This file is part of the cashbook-module from m-ds for Tryton.
+# The COPYRIGHT file at the top level of this repository contains the
+# full copyright notices and license terms.
+
+from trytond.tests.test_tryton import ModuleTestCase, with_transaction
+from trytond.pool import Pool
+from trytond.transaction import Transaction
+from trytond.modules.cashbook.model import CACHEKEY_CURRENCY
+from datetime import date
+from decimal import Decimal
+import time
+
+
+class CurrencyTestCase(ModuleTestCase):
+    'Test cache for currency'
+    module = 'cashbook'
+
+    @with_transaction()
+    def test_currency_update_cache(self):
+        """ add/update/del rate of currency, check cache
+        """
+        pool = Pool()
+        MemCache = pool.get('cashbook.memcache')
+        Currency = pool.get('currency.currency')
+        CurrencyRate = pool.get('currency.currency.rate')
+
+        self.prep_config()
+        self.prep_company()
+
+        MemCache._cashbook_value_cache.clear_all()
+        currency, = Currency.search([('name', '=', 'usd')])
+
+        cache_key = CACHEKEY_CURRENCY % currency.id
+
+        # cache should be empty
+        self.assertEqual(MemCache.read_value(cache_key), None)
+        CurrencyRate.delete(currency.rates)
+        self.assertEqual(len(currency.rates), 0)
+
+        # add rate
+        Currency.write(*[
+            [currency],
+            {
+                'rates': [('create', [{
+                    'date': date(2022, 5, 1),
+                    'rate': Decimal('1.05'),
+                    }])],
+            }])
+        self.assertEqual(len(currency.rates), 1)
+
+        # expected key
+        value = '%d-c%s' % (
+            currency.rates[0].id,
+            str(currency.rates[0].create_date.timestamp()))
+        self.assertEqual(MemCache.read_value(cache_key), value)
+        time.sleep(1.0)
+
+        Currency.write(*[
+            [currency],
+            {
+                'rates': [('write',
+                    [currency.rates[0].id],
+                    {
+                        'rate': Decimal('1.06'),
+                    })],
+            }])
+        self.assertEqual(len(currency.rates), 1)
+
+        value = '%d-w%s' % (
+            currency.rates[0].id,
+            str(currency.rates[0].write_date.timestamp()))
+        self.assertEqual(MemCache.read_value(cache_key), value)
+
+        Currency.write(*[
+            [currency],
+            {
+                'rates': [('delete', [currency.rates[0].id])],
+            }])
+        self.assertEqual(MemCache.read_value(cache_key), None)
+
+# end CurrencyTestCase