121 lines
5.1 KiB
Python
121 lines
5.1 KiB
Python
#------------------------------------------------------------------------------
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# Copyright (c) 2021, 2022, Oracle and/or its affiliates.
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#
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# This software is dual-licensed to you under the Universal Permissive License
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# (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
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# 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
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# either license.
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#
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# If you elect to accept the software under the Apache License, Version 2.0,
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# the following applies:
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#------------------------------------------------------------------------------
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"""
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4400 - Module for testing TPC (two-phase commit) transactions.
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"""
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import unittest
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import oracledb
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import test_env
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@unittest.skipIf(test_env.get_is_thin(),
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"thin mode doesn't support two-phase commit yet")
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class TestCase(test_env.BaseTestCase):
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def test_4400_tpc_with_rolback(self):
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"4400 - test begin, prepare, roll back global transaction"
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self.cursor.execute("truncate table TestTempTable")
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xid = self.connection.xid(3900, "txn3900", "branchId")
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self.connection.tpc_begin(xid)
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self.assertEqual(self.connection.tpc_prepare(), False)
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self.connection.tpc_begin(xid)
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self.cursor.execute("""
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insert into TestTempTable (IntCol, StringCol1)
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values (1, 'tesName')""")
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self.assertEqual(self.connection.tpc_prepare(), True)
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self.connection.tpc_rollback()
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self.cursor.execute("select count(*) from TestTempTable")
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count, = self.cursor.fetchone()
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self.assertEqual(count, 0)
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def test_4401_tpc_with_commit(self):
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"4401 - test begin, prepare, commit global transaction"
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self.cursor.execute("truncate table TestTempTable")
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xid = self.connection.xid(3901, "txn3901", "branchId")
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self.connection.tpc_begin(xid)
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self.cursor.execute("""
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insert into TestTempTable (IntCol, StringCol1)
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values (1, 'tesName')""")
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self.assertEqual(self.connection.tpc_prepare(), True)
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self.connection.tpc_commit()
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self.cursor.execute("select IntCol, StringCol1 from TestTempTable")
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self.assertEqual(self.cursor.fetchall(), [(1, 'tesName')])
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def test_4402_tpc_multiple_transactions(self):
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"4402 - test multiple global transactions on the same connection"
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self.cursor.execute("truncate table TestTempTable")
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xid1 = self.connection.xid(3902, "txn3902", "branch1")
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xid2 = self.connection.xid(3902, "txn3902", "branch2")
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self.connection.tpc_begin(xid1)
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self.cursor.execute("""
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insert into TestTempTable (IntCol, StringCol1)
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values (1, 'tesName')""")
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self.connection.tpc_end()
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self.connection.tpc_begin(xid2)
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self.cursor.execute("""
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insert into TestTempTable (IntCol, StringCol1)
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values (2, 'tesName')""")
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self.connection.tpc_end()
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needs_commit1 = self.connection.tpc_prepare(xid1)
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needs_commit2 = self.connection.tpc_prepare(xid2)
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if needs_commit1:
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self.connection.tpc_commit(xid1)
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if needs_commit2:
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self.connection.tpc_commit(xid2)
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self.cursor.execute("""
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select IntCol, StringCol1
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from TestTempTable
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order by IntCol""")
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expected_rows = [(1, 'tesName'), (2, 'tesName')]
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self.assertEqual(self.cursor.fetchall(), expected_rows)
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def test_4403_rollback_with_xid(self):
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"4403 - test rollback with parameter xid"
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self.cursor.execute("truncate table TestTempTable")
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xid1 = self.connection.xid(3901, "txn3901", "branch1")
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xid2 = self.connection.xid(3902, "txn3902", "branch2")
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for count, xid in enumerate([xid1, xid2]):
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self.connection.tpc_begin(xid)
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self.cursor.execute("""
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insert into TestTempTable (IntCol, StringCol1)
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values (:id, 'tesName')""", id=count)
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self.connection.tpc_end()
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self.connection.tpc_rollback(xid1)
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self.assertRaisesRegex(oracledb.DatabaseError, "^ORA-24756",
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self.connection.tpc_prepare, xid1)
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needs_commit = self.connection.tpc_prepare(xid2)
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if needs_commit:
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self.connection.tpc_commit(xid2)
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self.cursor.execute("""
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select IntCol, StringCol1
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from TestTempTable
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order by IntCol""")
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self.assertEqual(self.cursor.fetchall(), [(1, 'tesName')])
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if __name__ == "__main__":
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test_env.run_test_cases()
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