Cédric Krier
190657e0ef
It must return the same timestamp during the all transaction. issue8457 review271641002
65 lines
1.9 KiB
Python
65 lines
1.9 KiB
Python
# This file is part of Tryton. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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import unittest
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from sql import Select
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from sql.functions import CurrentTimestamp
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from trytond.tests.test_tryton import activate_module, with_transaction
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from trytond.transaction import Transaction
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class BackendTestCase(unittest.TestCase):
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"Test the backend"
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@classmethod
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def setUpClass(cls):
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activate_module('tests')
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@with_transaction()
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def test_current_timestamp_static_transaction(self):
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"Test CURRENT_TIMESTAMP is static during transaction"
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query = Select([CurrentTimestamp()])
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cursor = Transaction().connection.cursor()
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cursor.execute(*query)
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current, = cursor.fetchone()
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cursor.execute(*query)
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second, = cursor.fetchone()
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self.assertEqual(current, second)
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@with_transaction()
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def test_current_timestamp_reset_after_commit(self):
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"Test CURRENT_TIMESTAMP is reset after commit"
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query = Select([CurrentTimestamp()])
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cursor = Transaction().connection.cursor()
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cursor.execute(*query)
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current, = cursor.fetchone()
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Transaction().commit()
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cursor.execute(*query)
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second, = cursor.fetchone()
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self.assertNotEqual(current, second)
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@with_transaction()
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def test_current_timestamp_different_transaction(self):
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"Test CURRENT_TIMESTAMP is different per transaction"
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query = Select([CurrentTimestamp()])
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cursor = Transaction().connection.cursor()
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cursor.execute(*query)
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current, = cursor.fetchone()
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with Transaction().new_transaction() as transaction:
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cursor = transaction.connection.cursor()
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cursor.execute(*query)
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second, = cursor.fetchone()
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self.assertNotEqual(current, second)
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def suite():
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return unittest.TestLoader().loadTestsFromTestCase(BackendTestCase)
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