mirror of
https://github.com/psycopg/psycopg2.git
synced 2024-11-25 18:33:44 +03:00
9cf658ec6e
Added tests to check bad types, which discovered the above problem: on type error we would have decref'd on exit something that was only borrowed (because we wouldn't have performed matching increfs).
1699 lines
60 KiB
Python
Executable File
1699 lines
60 KiB
Python
Executable File
#!/usr/bin/env python
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# test_connection.py - unit test for connection attributes
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#
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# Copyright (C) 2008-2011 James Henstridge <james@jamesh.id.au>
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#
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# psycopg2 is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# In addition, as a special exception, the copyright holders give
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# permission to link this program with the OpenSSL library (or with
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# modified versions of OpenSSL that use the same license as OpenSSL),
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# and distribute linked combinations including the two.
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#
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# You must obey the GNU Lesser General Public License in all respects for
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# all of the code used other than OpenSSL.
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#
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# psycopg2 is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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# License for more details.
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import re
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import os
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import sys
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import time
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import threading
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import subprocess as sp
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from operator import attrgetter
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import psycopg2
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import psycopg2.errorcodes
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from psycopg2 import extensions as ext
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from .testutils import (
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unittest, decorate_all_tests, skip_if_no_superuser,
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skip_before_postgres, skip_after_postgres, skip_before_libpq,
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ConnectingTestCase, skip_if_tpc_disabled, skip_if_windows, slow,
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libpq_version
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)
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from .testconfig import dsn, dbname
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class ConnectionTests(ConnectingTestCase):
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def test_closed_attribute(self):
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conn = self.conn
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self.assertEqual(conn.closed, False)
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conn.close()
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self.assertEqual(conn.closed, True)
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def test_close_idempotent(self):
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conn = self.conn
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conn.close()
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conn.close()
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self.assert_(conn.closed)
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def test_cursor_closed_attribute(self):
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conn = self.conn
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curs = conn.cursor()
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self.assertEqual(curs.closed, False)
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curs.close()
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self.assertEqual(curs.closed, True)
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# Closing the connection closes the cursor:
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curs = conn.cursor()
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conn.close()
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self.assertEqual(curs.closed, True)
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@skip_before_postgres(8, 4)
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@skip_if_no_superuser
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@skip_if_windows
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def test_cleanup_on_badconn_close(self):
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# ticket #148
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conn = self.conn
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cur = conn.cursor()
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self.assertRaises(psycopg2.OperationalError,
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cur.execute, "select pg_terminate_backend(pg_backend_pid())")
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self.assertEqual(conn.closed, 2)
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conn.close()
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self.assertEqual(conn.closed, 1)
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def test_reset(self):
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conn = self.conn
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# switch session characteristics
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conn.autocommit = True
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conn.isolation_level = 'serializable'
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conn.readonly = True
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if self.conn.server_version >= 90100:
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conn.deferrable = False
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self.assert_(conn.autocommit)
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self.assertEqual(conn.isolation_level, ext.ISOLATION_LEVEL_SERIALIZABLE)
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self.assert_(conn.readonly is True)
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if self.conn.server_version >= 90100:
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self.assert_(conn.deferrable is False)
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conn.reset()
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# now the session characteristics should be reverted
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self.assert_(not conn.autocommit)
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self.assertEqual(conn.isolation_level, ext.ISOLATION_LEVEL_DEFAULT)
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self.assert_(conn.readonly is None)
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if self.conn.server_version >= 90100:
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self.assert_(conn.deferrable is None)
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def test_notices(self):
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conn = self.conn
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cur = conn.cursor()
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if self.conn.server_version >= 90300:
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cur.execute("set client_min_messages=debug1")
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cur.execute("create temp table chatty (id serial primary key);")
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self.assertEqual("CREATE TABLE", cur.statusmessage)
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self.assert_(conn.notices)
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def test_notices_consistent_order(self):
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conn = self.conn
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cur = conn.cursor()
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if self.conn.server_version >= 90300:
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cur.execute("set client_min_messages=debug1")
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cur.execute("""
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create temp table table1 (id serial);
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create temp table table2 (id serial);
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""")
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cur.execute("""
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create temp table table3 (id serial);
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create temp table table4 (id serial);
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""")
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self.assertEqual(4, len(conn.notices))
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self.assert_('table1' in conn.notices[0])
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self.assert_('table2' in conn.notices[1])
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self.assert_('table3' in conn.notices[2])
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self.assert_('table4' in conn.notices[3])
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@slow
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def test_notices_limited(self):
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conn = self.conn
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cur = conn.cursor()
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if self.conn.server_version >= 90300:
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cur.execute("set client_min_messages=debug1")
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for i in range(0, 100, 10):
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sql = " ".join(["create temp table table%d (id serial);" % j
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for j in range(i, i + 10)])
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cur.execute(sql)
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self.assertEqual(50, len(conn.notices))
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self.assert_('table99' in conn.notices[-1], conn.notices[-1])
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@slow
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def test_notices_deque(self):
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from collections import deque
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conn = self.conn
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self.conn.notices = deque()
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cur = conn.cursor()
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if self.conn.server_version >= 90300:
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cur.execute("set client_min_messages=debug1")
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cur.execute("""
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create temp table table1 (id serial);
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create temp table table2 (id serial);
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""")
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cur.execute("""
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create temp table table3 (id serial);
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create temp table table4 (id serial);""")
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self.assertEqual(len(conn.notices), 4)
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self.assert_('table1' in conn.notices.popleft())
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self.assert_('table2' in conn.notices.popleft())
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self.assert_('table3' in conn.notices.popleft())
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self.assert_('table4' in conn.notices.popleft())
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self.assertEqual(len(conn.notices), 0)
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# not limited, but no error
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for i in range(0, 100, 10):
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sql = " ".join(["create temp table table2_%d (id serial);" % j
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for j in range(i, i + 10)])
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cur.execute(sql)
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self.assertEqual(len([n for n in conn.notices if 'CREATE TABLE' in n]),
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100)
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def test_notices_noappend(self):
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conn = self.conn
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self.conn.notices = None # will make an error swallowes ok
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cur = conn.cursor()
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if self.conn.server_version >= 90300:
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cur.execute("set client_min_messages=debug1")
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cur.execute("create temp table table1 (id serial);")
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self.assertEqual(self.conn.notices, None)
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def test_server_version(self):
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self.assert_(self.conn.server_version)
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def test_protocol_version(self):
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self.assert_(self.conn.protocol_version in (2, 3),
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self.conn.protocol_version)
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def test_tpc_unsupported(self):
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cnn = self.conn
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if cnn.server_version >= 80100:
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return self.skipTest("tpc is supported")
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self.assertRaises(psycopg2.NotSupportedError,
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cnn.xid, 42, "foo", "bar")
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@slow
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@skip_before_postgres(8, 2)
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def test_concurrent_execution(self):
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def slave():
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cnn = self.connect()
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cur = cnn.cursor()
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cur.execute("select pg_sleep(4)")
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cur.close()
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cnn.close()
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t1 = threading.Thread(target=slave)
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t2 = threading.Thread(target=slave)
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t0 = time.time()
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t1.start()
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t2.start()
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t1.join()
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t2.join()
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self.assert_(time.time() - t0 < 7,
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"something broken in concurrency")
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def test_encoding_name(self):
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self.conn.set_client_encoding("EUC_JP")
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# conn.encoding is 'EUCJP' now.
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cur = self.conn.cursor()
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ext.register_type(ext.UNICODE, cur)
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cur.execute("select 'foo'::text;")
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self.assertEqual(cur.fetchone()[0], u'foo')
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def test_connect_nonnormal_envvar(self):
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# We must perform encoding normalization at connection time
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self.conn.close()
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oldenc = os.environ.get('PGCLIENTENCODING')
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os.environ['PGCLIENTENCODING'] = 'utf-8' # malformed spelling
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try:
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self.conn = self.connect()
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finally:
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if oldenc is not None:
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os.environ['PGCLIENTENCODING'] = oldenc
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else:
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del os.environ['PGCLIENTENCODING']
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def test_connect_no_string(self):
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class MyString(str):
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pass
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conn = psycopg2.connect(MyString(dsn))
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conn.close()
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def test_weakref(self):
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from weakref import ref
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import gc
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conn = psycopg2.connect(dsn)
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w = ref(conn)
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conn.close()
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del conn
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gc.collect()
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self.assert_(w() is None)
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@slow
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def test_commit_concurrency(self):
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# The problem is the one reported in ticket #103. Because of bad
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# status check, we commit even when a commit is already on its way.
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# We can detect this condition by the warnings.
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conn = self.conn
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notices = []
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stop = []
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def committer():
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while not stop:
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conn.commit()
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while conn.notices:
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notices.append((2, conn.notices.pop()))
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cur = conn.cursor()
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t1 = threading.Thread(target=committer)
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t1.start()
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i = 1
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for i in range(1000):
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cur.execute("select %s;", (i,))
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conn.commit()
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while conn.notices:
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notices.append((1, conn.notices.pop()))
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# Stop the committer thread
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stop.append(True)
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self.assert_(not notices, "%d notices raised" % len(notices))
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def test_connect_cursor_factory(self):
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import psycopg2.extras
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conn = self.connect(cursor_factory=psycopg2.extras.DictCursor)
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cur = conn.cursor()
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cur.execute("select 1 as a")
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self.assertEqual(cur.fetchone()['a'], 1)
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def test_cursor_factory(self):
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self.assertEqual(self.conn.cursor_factory, None)
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cur = self.conn.cursor()
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cur.execute("select 1 as a")
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self.assertRaises(TypeError, (lambda r: r['a']), cur.fetchone())
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self.conn.cursor_factory = psycopg2.extras.DictCursor
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self.assertEqual(self.conn.cursor_factory, psycopg2.extras.DictCursor)
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cur = self.conn.cursor()
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cur.execute("select 1 as a")
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self.assertEqual(cur.fetchone()['a'], 1)
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self.conn.cursor_factory = None
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self.assertEqual(self.conn.cursor_factory, None)
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cur = self.conn.cursor()
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cur.execute("select 1 as a")
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self.assertRaises(TypeError, (lambda r: r['a']), cur.fetchone())
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def test_cursor_factory_none(self):
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# issue #210
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conn = self.connect()
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cur = conn.cursor(cursor_factory=None)
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self.assertEqual(type(cur), ext.cursor)
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conn = self.connect(cursor_factory=psycopg2.extras.DictCursor)
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cur = conn.cursor(cursor_factory=None)
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self.assertEqual(type(cur), psycopg2.extras.DictCursor)
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def test_failed_init_status(self):
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class SubConnection(ext.connection):
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def __init__(self, dsn):
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try:
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super(SubConnection, self).__init__(dsn)
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except Exception:
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pass
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c = SubConnection("dbname=thereisnosuchdatabasemate password=foobar")
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self.assert_(c.closed, "connection failed so it must be closed")
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self.assert_('foobar' not in c.dsn, "password was not obscured")
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class ParseDsnTestCase(ConnectingTestCase):
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def test_parse_dsn(self):
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from psycopg2 import ProgrammingError
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self.assertEqual(
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ext.parse_dsn('dbname=test user=tester password=secret'),
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dict(user='tester', password='secret', dbname='test'),
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"simple DSN parsed")
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self.assertRaises(ProgrammingError, ext.parse_dsn,
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"dbname=test 2 user=tester password=secret")
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self.assertEqual(
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ext.parse_dsn("dbname='test 2' user=tester password=secret"),
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dict(user='tester', password='secret', dbname='test 2'),
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"DSN with quoting parsed")
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# Can't really use assertRaisesRegexp() here since we need to
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# make sure that secret is *not* exposed in the error message.
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raised = False
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try:
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# unterminated quote after dbname:
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ext.parse_dsn("dbname='test 2 user=tester password=secret")
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except ProgrammingError as e:
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raised = True
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self.assertTrue(str(e).find('secret') < 0,
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"DSN was not exposed in error message")
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except e:
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self.fail("unexpected error condition: " + repr(e))
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self.assertTrue(raised, "ProgrammingError raised due to invalid DSN")
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@skip_before_libpq(9, 2)
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def test_parse_dsn_uri(self):
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self.assertEqual(ext.parse_dsn('postgresql://tester:secret@/test'),
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dict(user='tester', password='secret', dbname='test'),
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"valid URI dsn parsed")
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raised = False
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try:
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# extra '=' after port value
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ext.parse_dsn(dsn='postgresql://tester:secret@/test?port=1111=x')
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except psycopg2.ProgrammingError as e:
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raised = True
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self.assertTrue(str(e).find('secret') < 0,
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"URI was not exposed in error message")
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except e:
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self.fail("unexpected error condition: " + repr(e))
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self.assertTrue(raised, "ProgrammingError raised due to invalid URI")
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def test_unicode_value(self):
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snowman = u"\u2603"
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d = ext.parse_dsn('dbname=' + snowman)
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if sys.version_info[0] < 3:
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self.assertEqual(d['dbname'], snowman.encode('utf8'))
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else:
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self.assertEqual(d['dbname'], snowman)
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def test_unicode_key(self):
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snowman = u"\u2603"
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self.assertRaises(psycopg2.ProgrammingError, ext.parse_dsn,
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snowman + '=' + snowman)
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def test_bad_param(self):
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self.assertRaises(TypeError, ext.parse_dsn, None)
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self.assertRaises(TypeError, ext.parse_dsn, 42)
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def test_str_subclass(self):
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class MyString(str):
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pass
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res = ext.parse_dsn(MyString("dbname=test"))
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self.assertEqual(res, {'dbname': 'test'})
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class MakeDsnTestCase(ConnectingTestCase):
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def test_empty_arguments(self):
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self.assertEqual(ext.make_dsn(), '')
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def test_empty_string(self):
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dsn = ext.make_dsn('')
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self.assertEqual(dsn, '')
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def test_params_validation(self):
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self.assertRaises(psycopg2.ProgrammingError,
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ext.make_dsn, 'dbnamo=a')
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self.assertRaises(psycopg2.ProgrammingError,
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ext.make_dsn, dbnamo='a')
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self.assertRaises(psycopg2.ProgrammingError,
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ext.make_dsn, 'dbname=a', nosuchparam='b')
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def test_empty_param(self):
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dsn = ext.make_dsn(dbname='sony', password='')
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self.assertDsnEqual(dsn, "dbname=sony password=''")
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def test_escape(self):
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dsn = ext.make_dsn(dbname='hello world')
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self.assertEqual(dsn, "dbname='hello world'")
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dsn = ext.make_dsn(dbname=r'back\slash')
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self.assertEqual(dsn, r"dbname=back\\slash")
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dsn = ext.make_dsn(dbname="quo'te")
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self.assertEqual(dsn, r"dbname=quo\'te")
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dsn = ext.make_dsn(dbname="with\ttab")
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self.assertEqual(dsn, "dbname='with\ttab'")
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dsn = ext.make_dsn(dbname=r"\every thing'")
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self.assertEqual(dsn, r"dbname='\\every thing\''")
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def test_database_is_a_keyword(self):
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self.assertEqual(ext.make_dsn(database='sigh'), "dbname=sigh")
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def test_params_merging(self):
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dsn = ext.make_dsn('dbname=foo host=bar', host='baz')
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self.assertDsnEqual(dsn, 'dbname=foo host=baz')
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dsn = ext.make_dsn('dbname=foo', user='postgres')
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self.assertDsnEqual(dsn, 'dbname=foo user=postgres')
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def test_no_dsn_munging(self):
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dsnin = 'dbname=a host=b user=c password=d'
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dsn = ext.make_dsn(dsnin)
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self.assertEqual(dsn, dsnin)
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def test_null_args(self):
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dsn = ext.make_dsn("dbname=foo", user="bar", password=None)
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self.assertDsnEqual(dsn, "dbname=foo user=bar")
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@skip_before_libpq(9, 2)
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def test_url_is_cool(self):
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url = 'postgresql://tester:secret@/test?application_name=wat'
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dsn = ext.make_dsn(url)
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self.assertEqual(dsn, url)
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dsn = ext.make_dsn(url, application_name='woot')
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self.assertDsnEqual(dsn,
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'dbname=test user=tester password=secret application_name=woot')
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self.assertRaises(psycopg2.ProgrammingError,
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ext.make_dsn, 'postgresql://tester:secret@/test?nosuch=param')
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self.assertRaises(psycopg2.ProgrammingError,
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ext.make_dsn, url, nosuch="param")
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|
|
|
@skip_before_libpq(9, 3)
|
|
def test_get_dsn_parameters(self):
|
|
conn = self.connect()
|
|
d = conn.get_dsn_parameters()
|
|
self.assertEqual(d['dbname'], dbname) # the only param we can check reliably
|
|
self.assert_('password' not in d, d)
|
|
|
|
|
|
class IsolationLevelsTestCase(ConnectingTestCase):
|
|
|
|
def setUp(self):
|
|
ConnectingTestCase.setUp(self)
|
|
|
|
conn = self.connect()
|
|
cur = conn.cursor()
|
|
try:
|
|
cur.execute("drop table isolevel;")
|
|
except psycopg2.ProgrammingError:
|
|
conn.rollback()
|
|
cur.execute("create table isolevel (id integer);")
|
|
conn.commit()
|
|
conn.close()
|
|
|
|
def test_isolation_level(self):
|
|
conn = self.connect()
|
|
self.assertEqual(
|
|
conn.isolation_level,
|
|
ext.ISOLATION_LEVEL_DEFAULT)
|
|
|
|
def test_encoding(self):
|
|
conn = self.connect()
|
|
self.assert_(conn.encoding in ext.encodings)
|
|
|
|
def test_set_isolation_level(self):
|
|
conn = self.connect()
|
|
curs = conn.cursor()
|
|
|
|
levels = [
|
|
('read uncommitted',
|
|
ext.ISOLATION_LEVEL_READ_UNCOMMITTED),
|
|
('read committed', ext.ISOLATION_LEVEL_READ_COMMITTED),
|
|
('repeatable read', ext.ISOLATION_LEVEL_REPEATABLE_READ),
|
|
('serializable', ext.ISOLATION_LEVEL_SERIALIZABLE),
|
|
]
|
|
for name, level in levels:
|
|
conn.set_isolation_level(level)
|
|
|
|
# the only values available on prehistoric PG versions
|
|
if conn.server_version < 80000:
|
|
if level in (
|
|
ext.ISOLATION_LEVEL_READ_UNCOMMITTED,
|
|
ext.ISOLATION_LEVEL_REPEATABLE_READ):
|
|
name, level = levels[levels.index((name, level)) + 1]
|
|
|
|
self.assertEqual(conn.isolation_level, level)
|
|
|
|
curs.execute('show transaction_isolation;')
|
|
got_name = curs.fetchone()[0]
|
|
|
|
self.assertEqual(name, got_name)
|
|
conn.commit()
|
|
|
|
self.assertRaises(ValueError, conn.set_isolation_level, -1)
|
|
self.assertRaises(ValueError, conn.set_isolation_level, 5)
|
|
|
|
def test_set_isolation_level_autocommit(self):
|
|
conn = self.connect()
|
|
curs = conn.cursor()
|
|
|
|
conn.set_isolation_level(ext.ISOLATION_LEVEL_AUTOCOMMIT)
|
|
self.assertEqual(conn.isolation_level, ext.ISOLATION_LEVEL_DEFAULT)
|
|
self.assert_(conn.autocommit)
|
|
|
|
conn.isolation_level = 'serializable'
|
|
self.assertEqual(conn.isolation_level, ext.ISOLATION_LEVEL_SERIALIZABLE)
|
|
self.assert_(conn.autocommit)
|
|
|
|
curs.execute('show transaction_isolation;')
|
|
self.assertEqual(curs.fetchone()[0], 'serializable')
|
|
|
|
def test_set_isolation_level_default(self):
|
|
conn = self.connect()
|
|
curs = conn.cursor()
|
|
|
|
conn.autocommit = True
|
|
curs.execute("set default_transaction_isolation to 'read committed'")
|
|
|
|
conn.autocommit = False
|
|
conn.set_isolation_level(ext.ISOLATION_LEVEL_SERIALIZABLE)
|
|
self.assertEqual(conn.isolation_level,
|
|
ext.ISOLATION_LEVEL_SERIALIZABLE)
|
|
curs.execute("show transaction_isolation")
|
|
self.assertEqual(curs.fetchone()[0], "serializable")
|
|
|
|
conn.rollback()
|
|
conn.set_isolation_level(ext.ISOLATION_LEVEL_DEFAULT)
|
|
curs.execute("show transaction_isolation")
|
|
self.assertEqual(curs.fetchone()[0], "read committed")
|
|
|
|
def test_set_isolation_level_abort(self):
|
|
conn = self.connect()
|
|
cur = conn.cursor()
|
|
|
|
self.assertEqual(ext.TRANSACTION_STATUS_IDLE,
|
|
conn.get_transaction_status())
|
|
cur.execute("insert into isolevel values (10);")
|
|
self.assertEqual(ext.TRANSACTION_STATUS_INTRANS,
|
|
conn.get_transaction_status())
|
|
|
|
conn.set_isolation_level(
|
|
psycopg2.extensions.ISOLATION_LEVEL_SERIALIZABLE)
|
|
self.assertEqual(psycopg2.extensions.TRANSACTION_STATUS_IDLE,
|
|
conn.get_transaction_status())
|
|
cur.execute("select count(*) from isolevel;")
|
|
self.assertEqual(0, cur.fetchone()[0])
|
|
|
|
cur.execute("insert into isolevel values (10);")
|
|
self.assertEqual(psycopg2.extensions.TRANSACTION_STATUS_INTRANS,
|
|
conn.get_transaction_status())
|
|
conn.set_isolation_level(
|
|
psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
|
|
self.assertEqual(psycopg2.extensions.TRANSACTION_STATUS_IDLE,
|
|
conn.get_transaction_status())
|
|
cur.execute("select count(*) from isolevel;")
|
|
self.assertEqual(0, cur.fetchone()[0])
|
|
|
|
cur.execute("insert into isolevel values (10);")
|
|
self.assertEqual(psycopg2.extensions.TRANSACTION_STATUS_IDLE,
|
|
conn.get_transaction_status())
|
|
conn.set_isolation_level(
|
|
psycopg2.extensions.ISOLATION_LEVEL_READ_COMMITTED)
|
|
self.assertEqual(psycopg2.extensions.TRANSACTION_STATUS_IDLE,
|
|
conn.get_transaction_status())
|
|
cur.execute("select count(*) from isolevel;")
|
|
self.assertEqual(1, cur.fetchone()[0])
|
|
self.assertEqual(conn.isolation_level,
|
|
psycopg2.extensions.ISOLATION_LEVEL_READ_COMMITTED)
|
|
|
|
def test_isolation_level_autocommit(self):
|
|
cnn1 = self.connect()
|
|
cnn2 = self.connect()
|
|
cnn2.set_isolation_level(ext.ISOLATION_LEVEL_AUTOCOMMIT)
|
|
|
|
cur1 = cnn1.cursor()
|
|
cur1.execute("select count(*) from isolevel;")
|
|
self.assertEqual(0, cur1.fetchone()[0])
|
|
cnn1.commit()
|
|
|
|
cur2 = cnn2.cursor()
|
|
cur2.execute("insert into isolevel values (10);")
|
|
|
|
cur1.execute("select count(*) from isolevel;")
|
|
self.assertEqual(1, cur1.fetchone()[0])
|
|
|
|
def test_isolation_level_read_committed(self):
|
|
cnn1 = self.connect()
|
|
cnn2 = self.connect()
|
|
cnn2.set_isolation_level(ext.ISOLATION_LEVEL_READ_COMMITTED)
|
|
|
|
cur1 = cnn1.cursor()
|
|
cur1.execute("select count(*) from isolevel;")
|
|
self.assertEqual(0, cur1.fetchone()[0])
|
|
cnn1.commit()
|
|
|
|
cur2 = cnn2.cursor()
|
|
cur2.execute("insert into isolevel values (10);")
|
|
cur1.execute("insert into isolevel values (20);")
|
|
|
|
cur2.execute("select count(*) from isolevel;")
|
|
self.assertEqual(1, cur2.fetchone()[0])
|
|
cnn1.commit()
|
|
cur2.execute("select count(*) from isolevel;")
|
|
self.assertEqual(2, cur2.fetchone()[0])
|
|
|
|
cur1.execute("select count(*) from isolevel;")
|
|
self.assertEqual(1, cur1.fetchone()[0])
|
|
cnn2.commit()
|
|
cur1.execute("select count(*) from isolevel;")
|
|
self.assertEqual(2, cur1.fetchone()[0])
|
|
|
|
def test_isolation_level_serializable(self):
|
|
cnn1 = self.connect()
|
|
cnn2 = self.connect()
|
|
cnn2.set_isolation_level(ext.ISOLATION_LEVEL_SERIALIZABLE)
|
|
|
|
cur1 = cnn1.cursor()
|
|
cur1.execute("select count(*) from isolevel;")
|
|
self.assertEqual(0, cur1.fetchone()[0])
|
|
cnn1.commit()
|
|
|
|
cur2 = cnn2.cursor()
|
|
cur2.execute("insert into isolevel values (10);")
|
|
cur1.execute("insert into isolevel values (20);")
|
|
|
|
cur2.execute("select count(*) from isolevel;")
|
|
self.assertEqual(1, cur2.fetchone()[0])
|
|
cnn1.commit()
|
|
cur2.execute("select count(*) from isolevel;")
|
|
self.assertEqual(1, cur2.fetchone()[0])
|
|
|
|
cur1.execute("select count(*) from isolevel;")
|
|
self.assertEqual(1, cur1.fetchone()[0])
|
|
cnn2.commit()
|
|
cur1.execute("select count(*) from isolevel;")
|
|
self.assertEqual(2, cur1.fetchone()[0])
|
|
|
|
cur2.execute("select count(*) from isolevel;")
|
|
self.assertEqual(2, cur2.fetchone()[0])
|
|
|
|
def test_isolation_level_closed(self):
|
|
cnn = self.connect()
|
|
cnn.close()
|
|
self.assertRaises(psycopg2.InterfaceError,
|
|
cnn.set_isolation_level, 0)
|
|
self.assertRaises(psycopg2.InterfaceError,
|
|
cnn.set_isolation_level, 1)
|
|
|
|
def test_setattr_isolation_level_int(self):
|
|
cur = self.conn.cursor()
|
|
self.conn.isolation_level = ext.ISOLATION_LEVEL_SERIALIZABLE
|
|
self.assertEqual(self.conn.isolation_level, ext.ISOLATION_LEVEL_SERIALIZABLE)
|
|
|
|
cur.execute("SHOW transaction_isolation;")
|
|
self.assertEqual(cur.fetchone()[0], 'serializable')
|
|
self.conn.rollback()
|
|
|
|
self.conn.isolation_level = ext.ISOLATION_LEVEL_REPEATABLE_READ
|
|
cur.execute("SHOW transaction_isolation;")
|
|
if self.conn.server_version > 80000:
|
|
self.assertEqual(self.conn.isolation_level,
|
|
ext.ISOLATION_LEVEL_REPEATABLE_READ)
|
|
self.assertEqual(cur.fetchone()[0], 'repeatable read')
|
|
else:
|
|
self.assertEqual(self.conn.isolation_level,
|
|
ext.ISOLATION_LEVEL_SERIALIZABLE)
|
|
self.assertEqual(cur.fetchone()[0], 'serializable')
|
|
self.conn.rollback()
|
|
|
|
self.conn.isolation_level = ext.ISOLATION_LEVEL_READ_COMMITTED
|
|
self.assertEqual(self.conn.isolation_level,
|
|
ext.ISOLATION_LEVEL_READ_COMMITTED)
|
|
cur.execute("SHOW transaction_isolation;")
|
|
self.assertEqual(cur.fetchone()[0], 'read committed')
|
|
self.conn.rollback()
|
|
|
|
self.conn.isolation_level = ext.ISOLATION_LEVEL_READ_UNCOMMITTED
|
|
cur.execute("SHOW transaction_isolation;")
|
|
if self.conn.server_version > 80000:
|
|
self.assertEqual(self.conn.isolation_level,
|
|
ext.ISOLATION_LEVEL_READ_UNCOMMITTED)
|
|
self.assertEqual(cur.fetchone()[0], 'read uncommitted')
|
|
else:
|
|
self.assertEqual(self.conn.isolation_level,
|
|
ext.ISOLATION_LEVEL_READ_COMMITTED)
|
|
self.assertEqual(cur.fetchone()[0], 'read committed')
|
|
self.conn.rollback()
|
|
|
|
self.assertEqual(ext.ISOLATION_LEVEL_DEFAULT, None)
|
|
self.conn.isolation_level = ext.ISOLATION_LEVEL_DEFAULT
|
|
self.assertEqual(self.conn.isolation_level, None)
|
|
cur.execute("SHOW transaction_isolation;")
|
|
isol = cur.fetchone()[0]
|
|
cur.execute("SHOW default_transaction_isolation;")
|
|
self.assertEqual(cur.fetchone()[0], isol)
|
|
|
|
def test_setattr_isolation_level_str(self):
|
|
cur = self.conn.cursor()
|
|
self.conn.isolation_level = "serializable"
|
|
self.assertEqual(self.conn.isolation_level, ext.ISOLATION_LEVEL_SERIALIZABLE)
|
|
|
|
cur.execute("SHOW transaction_isolation;")
|
|
self.assertEqual(cur.fetchone()[0], 'serializable')
|
|
self.conn.rollback()
|
|
|
|
self.conn.isolation_level = "repeatable read"
|
|
cur.execute("SHOW transaction_isolation;")
|
|
if self.conn.server_version > 80000:
|
|
self.assertEqual(self.conn.isolation_level,
|
|
ext.ISOLATION_LEVEL_REPEATABLE_READ)
|
|
self.assertEqual(cur.fetchone()[0], 'repeatable read')
|
|
else:
|
|
self.assertEqual(self.conn.isolation_level,
|
|
ext.ISOLATION_LEVEL_SERIALIZABLE)
|
|
self.assertEqual(cur.fetchone()[0], 'serializable')
|
|
self.conn.rollback()
|
|
|
|
self.conn.isolation_level = "read committed"
|
|
self.assertEqual(self.conn.isolation_level,
|
|
ext.ISOLATION_LEVEL_READ_COMMITTED)
|
|
cur.execute("SHOW transaction_isolation;")
|
|
self.assertEqual(cur.fetchone()[0], 'read committed')
|
|
self.conn.rollback()
|
|
|
|
self.conn.isolation_level = "read uncommitted"
|
|
cur.execute("SHOW transaction_isolation;")
|
|
if self.conn.server_version > 80000:
|
|
self.assertEqual(self.conn.isolation_level,
|
|
ext.ISOLATION_LEVEL_READ_UNCOMMITTED)
|
|
self.assertEqual(cur.fetchone()[0], 'read uncommitted')
|
|
else:
|
|
self.assertEqual(self.conn.isolation_level,
|
|
ext.ISOLATION_LEVEL_READ_COMMITTED)
|
|
self.assertEqual(cur.fetchone()[0], 'read committed')
|
|
self.conn.rollback()
|
|
|
|
self.conn.isolation_level = "default"
|
|
self.assertEqual(self.conn.isolation_level, None)
|
|
cur.execute("SHOW transaction_isolation;")
|
|
isol = cur.fetchone()[0]
|
|
cur.execute("SHOW default_transaction_isolation;")
|
|
self.assertEqual(cur.fetchone()[0], isol)
|
|
|
|
def test_setattr_isolation_level_invalid(self):
|
|
self.assertRaises(ValueError, setattr, self.conn, 'isolation_level', 0)
|
|
self.assertRaises(ValueError, setattr, self.conn, 'isolation_level', -1)
|
|
self.assertRaises(ValueError, setattr, self.conn, 'isolation_level', 5)
|
|
self.assertRaises(ValueError, setattr, self.conn, 'isolation_level', 'bah')
|
|
|
|
|
|
class ConnectionTwoPhaseTests(ConnectingTestCase):
|
|
def setUp(self):
|
|
ConnectingTestCase.setUp(self)
|
|
|
|
self.make_test_table()
|
|
self.clear_test_xacts()
|
|
|
|
def tearDown(self):
|
|
self.clear_test_xacts()
|
|
ConnectingTestCase.tearDown(self)
|
|
|
|
def clear_test_xacts(self):
|
|
"""Rollback all the prepared transaction in the testing db."""
|
|
cnn = self.connect()
|
|
cnn.set_isolation_level(0)
|
|
cur = cnn.cursor()
|
|
try:
|
|
cur.execute(
|
|
"select gid from pg_prepared_xacts where database = %s",
|
|
(dbname,))
|
|
except psycopg2.ProgrammingError:
|
|
cnn.rollback()
|
|
cnn.close()
|
|
return
|
|
|
|
gids = [r[0] for r in cur]
|
|
for gid in gids:
|
|
cur.execute("rollback prepared %s;", (gid,))
|
|
cnn.close()
|
|
|
|
def make_test_table(self):
|
|
cnn = self.connect()
|
|
cur = cnn.cursor()
|
|
try:
|
|
cur.execute("DROP TABLE test_tpc;")
|
|
except psycopg2.ProgrammingError:
|
|
cnn.rollback()
|
|
cur.execute("CREATE TABLE test_tpc (data text);")
|
|
cnn.commit()
|
|
cnn.close()
|
|
|
|
def count_xacts(self):
|
|
"""Return the number of prepared xacts currently in the test db."""
|
|
cnn = self.connect()
|
|
cur = cnn.cursor()
|
|
cur.execute("""
|
|
select count(*) from pg_prepared_xacts
|
|
where database = %s;""",
|
|
(dbname,))
|
|
rv = cur.fetchone()[0]
|
|
cnn.close()
|
|
return rv
|
|
|
|
def count_test_records(self):
|
|
"""Return the number of records in the test table."""
|
|
cnn = self.connect()
|
|
cur = cnn.cursor()
|
|
cur.execute("select count(*) from test_tpc;")
|
|
rv = cur.fetchone()[0]
|
|
cnn.close()
|
|
return rv
|
|
|
|
def test_tpc_commit(self):
|
|
cnn = self.connect()
|
|
xid = cnn.xid(1, "gtrid", "bqual")
|
|
self.assertEqual(cnn.status, ext.STATUS_READY)
|
|
|
|
cnn.tpc_begin(xid)
|
|
self.assertEqual(cnn.status, ext.STATUS_BEGIN)
|
|
|
|
cur = cnn.cursor()
|
|
cur.execute("insert into test_tpc values ('test_tpc_commit');")
|
|
self.assertEqual(0, self.count_xacts())
|
|
self.assertEqual(0, self.count_test_records())
|
|
|
|
cnn.tpc_prepare()
|
|
self.assertEqual(cnn.status, ext.STATUS_PREPARED)
|
|
self.assertEqual(1, self.count_xacts())
|
|
self.assertEqual(0, self.count_test_records())
|
|
|
|
cnn.tpc_commit()
|
|
self.assertEqual(cnn.status, ext.STATUS_READY)
|
|
self.assertEqual(0, self.count_xacts())
|
|
self.assertEqual(1, self.count_test_records())
|
|
|
|
def test_tpc_commit_one_phase(self):
|
|
cnn = self.connect()
|
|
xid = cnn.xid(1, "gtrid", "bqual")
|
|
self.assertEqual(cnn.status, ext.STATUS_READY)
|
|
|
|
cnn.tpc_begin(xid)
|
|
self.assertEqual(cnn.status, ext.STATUS_BEGIN)
|
|
|
|
cur = cnn.cursor()
|
|
cur.execute("insert into test_tpc values ('test_tpc_commit_1p');")
|
|
self.assertEqual(0, self.count_xacts())
|
|
self.assertEqual(0, self.count_test_records())
|
|
|
|
cnn.tpc_commit()
|
|
self.assertEqual(cnn.status, ext.STATUS_READY)
|
|
self.assertEqual(0, self.count_xacts())
|
|
self.assertEqual(1, self.count_test_records())
|
|
|
|
def test_tpc_commit_recovered(self):
|
|
cnn = self.connect()
|
|
xid = cnn.xid(1, "gtrid", "bqual")
|
|
self.assertEqual(cnn.status, ext.STATUS_READY)
|
|
|
|
cnn.tpc_begin(xid)
|
|
self.assertEqual(cnn.status, ext.STATUS_BEGIN)
|
|
|
|
cur = cnn.cursor()
|
|
cur.execute("insert into test_tpc values ('test_tpc_commit_rec');")
|
|
self.assertEqual(0, self.count_xacts())
|
|
self.assertEqual(0, self.count_test_records())
|
|
|
|
cnn.tpc_prepare()
|
|
cnn.close()
|
|
self.assertEqual(1, self.count_xacts())
|
|
self.assertEqual(0, self.count_test_records())
|
|
|
|
cnn = self.connect()
|
|
xid = cnn.xid(1, "gtrid", "bqual")
|
|
cnn.tpc_commit(xid)
|
|
|
|
self.assertEqual(cnn.status, ext.STATUS_READY)
|
|
self.assertEqual(0, self.count_xacts())
|
|
self.assertEqual(1, self.count_test_records())
|
|
|
|
def test_tpc_rollback(self):
|
|
cnn = self.connect()
|
|
xid = cnn.xid(1, "gtrid", "bqual")
|
|
self.assertEqual(cnn.status, ext.STATUS_READY)
|
|
|
|
cnn.tpc_begin(xid)
|
|
self.assertEqual(cnn.status, ext.STATUS_BEGIN)
|
|
|
|
cur = cnn.cursor()
|
|
cur.execute("insert into test_tpc values ('test_tpc_rollback');")
|
|
self.assertEqual(0, self.count_xacts())
|
|
self.assertEqual(0, self.count_test_records())
|
|
|
|
cnn.tpc_prepare()
|
|
self.assertEqual(cnn.status, ext.STATUS_PREPARED)
|
|
self.assertEqual(1, self.count_xacts())
|
|
self.assertEqual(0, self.count_test_records())
|
|
|
|
cnn.tpc_rollback()
|
|
self.assertEqual(cnn.status, ext.STATUS_READY)
|
|
self.assertEqual(0, self.count_xacts())
|
|
self.assertEqual(0, self.count_test_records())
|
|
|
|
def test_tpc_rollback_one_phase(self):
|
|
cnn = self.connect()
|
|
xid = cnn.xid(1, "gtrid", "bqual")
|
|
self.assertEqual(cnn.status, ext.STATUS_READY)
|
|
|
|
cnn.tpc_begin(xid)
|
|
self.assertEqual(cnn.status, ext.STATUS_BEGIN)
|
|
|
|
cur = cnn.cursor()
|
|
cur.execute("insert into test_tpc values ('test_tpc_rollback_1p');")
|
|
self.assertEqual(0, self.count_xacts())
|
|
self.assertEqual(0, self.count_test_records())
|
|
|
|
cnn.tpc_rollback()
|
|
self.assertEqual(cnn.status, ext.STATUS_READY)
|
|
self.assertEqual(0, self.count_xacts())
|
|
self.assertEqual(0, self.count_test_records())
|
|
|
|
def test_tpc_rollback_recovered(self):
|
|
cnn = self.connect()
|
|
xid = cnn.xid(1, "gtrid", "bqual")
|
|
self.assertEqual(cnn.status, ext.STATUS_READY)
|
|
|
|
cnn.tpc_begin(xid)
|
|
self.assertEqual(cnn.status, ext.STATUS_BEGIN)
|
|
|
|
cur = cnn.cursor()
|
|
cur.execute("insert into test_tpc values ('test_tpc_commit_rec');")
|
|
self.assertEqual(0, self.count_xacts())
|
|
self.assertEqual(0, self.count_test_records())
|
|
|
|
cnn.tpc_prepare()
|
|
cnn.close()
|
|
self.assertEqual(1, self.count_xacts())
|
|
self.assertEqual(0, self.count_test_records())
|
|
|
|
cnn = self.connect()
|
|
xid = cnn.xid(1, "gtrid", "bqual")
|
|
cnn.tpc_rollback(xid)
|
|
|
|
self.assertEqual(cnn.status, ext.STATUS_READY)
|
|
self.assertEqual(0, self.count_xacts())
|
|
self.assertEqual(0, self.count_test_records())
|
|
|
|
def test_status_after_recover(self):
|
|
cnn = self.connect()
|
|
self.assertEqual(ext.STATUS_READY, cnn.status)
|
|
cnn.tpc_recover()
|
|
self.assertEqual(ext.STATUS_READY, cnn.status)
|
|
|
|
cur = cnn.cursor()
|
|
cur.execute("select 1")
|
|
self.assertEqual(ext.STATUS_BEGIN, cnn.status)
|
|
cnn.tpc_recover()
|
|
self.assertEqual(ext.STATUS_BEGIN, cnn.status)
|
|
|
|
def test_recovered_xids(self):
|
|
# insert a few test xns
|
|
cnn = self.connect()
|
|
cnn.set_isolation_level(0)
|
|
cur = cnn.cursor()
|
|
cur.execute("begin; prepare transaction '1-foo';")
|
|
cur.execute("begin; prepare transaction '2-bar';")
|
|
|
|
# read the values to return
|
|
cur.execute("""
|
|
select gid, prepared, owner, database
|
|
from pg_prepared_xacts
|
|
where database = %s;""",
|
|
(dbname,))
|
|
okvals = cur.fetchall()
|
|
okvals.sort()
|
|
|
|
cnn = self.connect()
|
|
xids = cnn.tpc_recover()
|
|
xids = [xid for xid in xids if xid.database == dbname]
|
|
xids.sort(key=attrgetter('gtrid'))
|
|
|
|
# check the values returned
|
|
self.assertEqual(len(okvals), len(xids))
|
|
for (xid, (gid, prepared, owner, database)) in zip(xids, okvals):
|
|
self.assertEqual(xid.gtrid, gid)
|
|
self.assertEqual(xid.prepared, prepared)
|
|
self.assertEqual(xid.owner, owner)
|
|
self.assertEqual(xid.database, database)
|
|
|
|
def test_xid_encoding(self):
|
|
cnn = self.connect()
|
|
xid = cnn.xid(42, "gtrid", "bqual")
|
|
cnn.tpc_begin(xid)
|
|
cnn.tpc_prepare()
|
|
|
|
cnn = self.connect()
|
|
cur = cnn.cursor()
|
|
cur.execute("select gid from pg_prepared_xacts where database = %s;",
|
|
(dbname,))
|
|
self.assertEqual('42_Z3RyaWQ=_YnF1YWw=', cur.fetchone()[0])
|
|
|
|
@slow
|
|
def test_xid_roundtrip(self):
|
|
for fid, gtrid, bqual in [
|
|
(0, "", ""),
|
|
(42, "gtrid", "bqual"),
|
|
(0x7fffffff, "x" * 64, "y" * 64),
|
|
]:
|
|
cnn = self.connect()
|
|
xid = cnn.xid(fid, gtrid, bqual)
|
|
cnn.tpc_begin(xid)
|
|
cnn.tpc_prepare()
|
|
cnn.close()
|
|
|
|
cnn = self.connect()
|
|
xids = [x for x in cnn.tpc_recover() if x.database == dbname]
|
|
self.assertEqual(1, len(xids))
|
|
xid = xids[0]
|
|
self.assertEqual(xid.format_id, fid)
|
|
self.assertEqual(xid.gtrid, gtrid)
|
|
self.assertEqual(xid.bqual, bqual)
|
|
|
|
cnn.tpc_rollback(xid)
|
|
|
|
@slow
|
|
def test_unparsed_roundtrip(self):
|
|
for tid in [
|
|
'',
|
|
'hello, world!',
|
|
'x' * 199, # PostgreSQL's limit in transaction id length
|
|
]:
|
|
cnn = self.connect()
|
|
cnn.tpc_begin(tid)
|
|
cnn.tpc_prepare()
|
|
cnn.close()
|
|
|
|
cnn = self.connect()
|
|
xids = [x for x in cnn.tpc_recover() if x.database == dbname]
|
|
self.assertEqual(1, len(xids))
|
|
xid = xids[0]
|
|
self.assertEqual(xid.format_id, None)
|
|
self.assertEqual(xid.gtrid, tid)
|
|
self.assertEqual(xid.bqual, None)
|
|
|
|
cnn.tpc_rollback(xid)
|
|
|
|
def test_xid_construction(self):
|
|
from psycopg2.extensions import Xid
|
|
|
|
x1 = Xid(74, 'foo', 'bar')
|
|
self.assertEqual(74, x1.format_id)
|
|
self.assertEqual('foo', x1.gtrid)
|
|
self.assertEqual('bar', x1.bqual)
|
|
|
|
def test_xid_from_string(self):
|
|
from psycopg2.extensions import Xid
|
|
|
|
x2 = Xid.from_string('42_Z3RyaWQ=_YnF1YWw=')
|
|
self.assertEqual(42, x2.format_id)
|
|
self.assertEqual('gtrid', x2.gtrid)
|
|
self.assertEqual('bqual', x2.bqual)
|
|
|
|
x3 = Xid.from_string('99_xxx_yyy')
|
|
self.assertEqual(None, x3.format_id)
|
|
self.assertEqual('99_xxx_yyy', x3.gtrid)
|
|
self.assertEqual(None, x3.bqual)
|
|
|
|
def test_xid_to_string(self):
|
|
from psycopg2.extensions import Xid
|
|
|
|
x1 = Xid.from_string('42_Z3RyaWQ=_YnF1YWw=')
|
|
self.assertEqual(str(x1), '42_Z3RyaWQ=_YnF1YWw=')
|
|
|
|
x2 = Xid.from_string('99_xxx_yyy')
|
|
self.assertEqual(str(x2), '99_xxx_yyy')
|
|
|
|
def test_xid_unicode(self):
|
|
cnn = self.connect()
|
|
x1 = cnn.xid(10, u'uni', u'code')
|
|
cnn.tpc_begin(x1)
|
|
cnn.tpc_prepare()
|
|
cnn.reset()
|
|
xid = [x for x in cnn.tpc_recover() if x.database == dbname][0]
|
|
self.assertEqual(10, xid.format_id)
|
|
self.assertEqual('uni', xid.gtrid)
|
|
self.assertEqual('code', xid.bqual)
|
|
|
|
def test_xid_unicode_unparsed(self):
|
|
# We don't expect people shooting snowmen as transaction ids,
|
|
# so if something explodes in an encode error I don't mind.
|
|
# Let's just check uniconde is accepted as type.
|
|
cnn = self.connect()
|
|
cnn.set_client_encoding('utf8')
|
|
cnn.tpc_begin(u"transaction-id")
|
|
cnn.tpc_prepare()
|
|
cnn.reset()
|
|
|
|
xid = [x for x in cnn.tpc_recover() if x.database == dbname][0]
|
|
self.assertEqual(None, xid.format_id)
|
|
self.assertEqual('transaction-id', xid.gtrid)
|
|
self.assertEqual(None, xid.bqual)
|
|
|
|
def test_cancel_fails_prepared(self):
|
|
cnn = self.connect()
|
|
cnn.tpc_begin('cancel')
|
|
cnn.tpc_prepare()
|
|
self.assertRaises(psycopg2.ProgrammingError, cnn.cancel)
|
|
|
|
def test_tpc_recover_non_dbapi_connection(self):
|
|
from psycopg2.extras import RealDictConnection
|
|
cnn = self.connect(connection_factory=RealDictConnection)
|
|
cnn.tpc_begin('dict-connection')
|
|
cnn.tpc_prepare()
|
|
cnn.reset()
|
|
|
|
xids = cnn.tpc_recover()
|
|
xid = [x for x in xids if x.database == dbname][0]
|
|
self.assertEqual(None, xid.format_id)
|
|
self.assertEqual('dict-connection', xid.gtrid)
|
|
self.assertEqual(None, xid.bqual)
|
|
|
|
|
|
decorate_all_tests(ConnectionTwoPhaseTests, skip_if_tpc_disabled)
|
|
|
|
|
|
class TransactionControlTests(ConnectingTestCase):
|
|
def test_closed(self):
|
|
self.conn.close()
|
|
self.assertRaises(psycopg2.InterfaceError,
|
|
self.conn.set_session,
|
|
ext.ISOLATION_LEVEL_SERIALIZABLE)
|
|
|
|
def test_not_in_transaction(self):
|
|
cur = self.conn.cursor()
|
|
cur.execute("select 1")
|
|
self.assertRaises(psycopg2.ProgrammingError,
|
|
self.conn.set_session,
|
|
ext.ISOLATION_LEVEL_SERIALIZABLE)
|
|
|
|
def test_set_isolation_level(self):
|
|
cur = self.conn.cursor()
|
|
self.conn.set_session(
|
|
ext.ISOLATION_LEVEL_SERIALIZABLE)
|
|
cur.execute("SHOW transaction_isolation;")
|
|
self.assertEqual(cur.fetchone()[0], 'serializable')
|
|
self.conn.rollback()
|
|
|
|
self.conn.set_session(
|
|
ext.ISOLATION_LEVEL_REPEATABLE_READ)
|
|
cur.execute("SHOW transaction_isolation;")
|
|
if self.conn.server_version > 80000:
|
|
self.assertEqual(cur.fetchone()[0], 'repeatable read')
|
|
else:
|
|
self.assertEqual(cur.fetchone()[0], 'serializable')
|
|
self.conn.rollback()
|
|
|
|
self.conn.set_session(
|
|
isolation_level=ext.ISOLATION_LEVEL_READ_COMMITTED)
|
|
cur.execute("SHOW transaction_isolation;")
|
|
self.assertEqual(cur.fetchone()[0], 'read committed')
|
|
self.conn.rollback()
|
|
|
|
self.conn.set_session(
|
|
isolation_level=ext.ISOLATION_LEVEL_READ_UNCOMMITTED)
|
|
cur.execute("SHOW transaction_isolation;")
|
|
if self.conn.server_version > 80000:
|
|
self.assertEqual(cur.fetchone()[0], 'read uncommitted')
|
|
else:
|
|
self.assertEqual(cur.fetchone()[0], 'read committed')
|
|
self.conn.rollback()
|
|
|
|
def test_set_isolation_level_str(self):
|
|
cur = self.conn.cursor()
|
|
self.conn.set_session("serializable")
|
|
cur.execute("SHOW transaction_isolation;")
|
|
self.assertEqual(cur.fetchone()[0], 'serializable')
|
|
self.conn.rollback()
|
|
|
|
self.conn.set_session("repeatable read")
|
|
cur.execute("SHOW transaction_isolation;")
|
|
if self.conn.server_version > 80000:
|
|
self.assertEqual(cur.fetchone()[0], 'repeatable read')
|
|
else:
|
|
self.assertEqual(cur.fetchone()[0], 'serializable')
|
|
self.conn.rollback()
|
|
|
|
self.conn.set_session("read committed")
|
|
cur.execute("SHOW transaction_isolation;")
|
|
self.assertEqual(cur.fetchone()[0], 'read committed')
|
|
self.conn.rollback()
|
|
|
|
self.conn.set_session("read uncommitted")
|
|
cur.execute("SHOW transaction_isolation;")
|
|
if self.conn.server_version > 80000:
|
|
self.assertEqual(cur.fetchone()[0], 'read uncommitted')
|
|
else:
|
|
self.assertEqual(cur.fetchone()[0], 'read committed')
|
|
self.conn.rollback()
|
|
|
|
def test_bad_isolation_level(self):
|
|
self.assertRaises(ValueError, self.conn.set_session, 0)
|
|
self.assertRaises(ValueError, self.conn.set_session, 5)
|
|
self.assertRaises(ValueError, self.conn.set_session, 'whatever')
|
|
|
|
def test_set_read_only(self):
|
|
self.assert_(self.conn.readonly is None)
|
|
|
|
cur = self.conn.cursor()
|
|
self.conn.set_session(readonly=True)
|
|
self.assert_(self.conn.readonly is True)
|
|
cur.execute("SHOW transaction_read_only;")
|
|
self.assertEqual(cur.fetchone()[0], 'on')
|
|
self.conn.rollback()
|
|
cur.execute("SHOW transaction_read_only;")
|
|
self.assertEqual(cur.fetchone()[0], 'on')
|
|
self.conn.rollback()
|
|
|
|
self.conn.set_session(readonly=False)
|
|
self.assert_(self.conn.readonly is False)
|
|
cur.execute("SHOW transaction_read_only;")
|
|
self.assertEqual(cur.fetchone()[0], 'off')
|
|
self.conn.rollback()
|
|
|
|
def test_setattr_read_only(self):
|
|
cur = self.conn.cursor()
|
|
self.conn.readonly = True
|
|
self.assert_(self.conn.readonly is True)
|
|
cur.execute("SHOW transaction_read_only;")
|
|
self.assertEqual(cur.fetchone()[0], 'on')
|
|
self.assertRaises(self.conn.ProgrammingError,
|
|
setattr, self.conn, 'readonly', False)
|
|
self.assert_(self.conn.readonly is True)
|
|
self.conn.rollback()
|
|
cur.execute("SHOW transaction_read_only;")
|
|
self.assertEqual(cur.fetchone()[0], 'on')
|
|
self.conn.rollback()
|
|
|
|
cur = self.conn.cursor()
|
|
self.conn.readonly = None
|
|
self.assert_(self.conn.readonly is None)
|
|
cur.execute("SHOW transaction_read_only;")
|
|
self.assertEqual(cur.fetchone()[0], 'off') # assume defined by server
|
|
self.conn.rollback()
|
|
|
|
self.conn.readonly = False
|
|
self.assert_(self.conn.readonly is False)
|
|
cur.execute("SHOW transaction_read_only;")
|
|
self.assertEqual(cur.fetchone()[0], 'off')
|
|
self.conn.rollback()
|
|
|
|
def test_set_default(self):
|
|
cur = self.conn.cursor()
|
|
cur.execute("SHOW transaction_isolation;")
|
|
isolevel = cur.fetchone()[0]
|
|
cur.execute("SHOW transaction_read_only;")
|
|
readonly = cur.fetchone()[0]
|
|
self.conn.rollback()
|
|
|
|
self.conn.set_session(isolation_level='serializable', readonly=True)
|
|
self.conn.set_session(isolation_level='default', readonly='default')
|
|
|
|
cur.execute("SHOW transaction_isolation;")
|
|
self.assertEqual(cur.fetchone()[0], isolevel)
|
|
cur.execute("SHOW transaction_read_only;")
|
|
self.assertEqual(cur.fetchone()[0], readonly)
|
|
|
|
@skip_before_postgres(9, 1)
|
|
def test_set_deferrable(self):
|
|
self.assert_(self.conn.deferrable is None)
|
|
cur = self.conn.cursor()
|
|
self.conn.set_session(readonly=True, deferrable=True)
|
|
self.assert_(self.conn.deferrable is True)
|
|
cur.execute("SHOW transaction_read_only;")
|
|
self.assertEqual(cur.fetchone()[0], 'on')
|
|
cur.execute("SHOW transaction_deferrable;")
|
|
self.assertEqual(cur.fetchone()[0], 'on')
|
|
self.conn.rollback()
|
|
cur.execute("SHOW transaction_deferrable;")
|
|
self.assertEqual(cur.fetchone()[0], 'on')
|
|
self.conn.rollback()
|
|
|
|
self.conn.set_session(deferrable=False)
|
|
self.assert_(self.conn.deferrable is False)
|
|
cur.execute("SHOW transaction_read_only;")
|
|
self.assertEqual(cur.fetchone()[0], 'on')
|
|
cur.execute("SHOW transaction_deferrable;")
|
|
self.assertEqual(cur.fetchone()[0], 'off')
|
|
self.conn.rollback()
|
|
|
|
@skip_after_postgres(9, 1)
|
|
def test_set_deferrable_error(self):
|
|
self.assertRaises(psycopg2.ProgrammingError,
|
|
self.conn.set_session, readonly=True, deferrable=True)
|
|
self.assertRaises(psycopg2.ProgrammingError,
|
|
setattr, self.conn, 'deferrable', True)
|
|
|
|
@skip_before_postgres(9, 1)
|
|
def test_setattr_deferrable(self):
|
|
cur = self.conn.cursor()
|
|
self.conn.deferrable = True
|
|
self.assert_(self.conn.deferrable is True)
|
|
cur.execute("SHOW transaction_deferrable;")
|
|
self.assertEqual(cur.fetchone()[0], 'on')
|
|
self.assertRaises(self.conn.ProgrammingError,
|
|
setattr, self.conn, 'deferrable', False)
|
|
self.assert_(self.conn.deferrable is True)
|
|
self.conn.rollback()
|
|
cur.execute("SHOW transaction_deferrable;")
|
|
self.assertEqual(cur.fetchone()[0], 'on')
|
|
self.conn.rollback()
|
|
|
|
cur = self.conn.cursor()
|
|
self.conn.deferrable = None
|
|
self.assert_(self.conn.deferrable is None)
|
|
cur.execute("SHOW transaction_deferrable;")
|
|
self.assertEqual(cur.fetchone()[0], 'off') # assume defined by server
|
|
self.conn.rollback()
|
|
|
|
self.conn.deferrable = False
|
|
self.assert_(self.conn.deferrable is False)
|
|
cur.execute("SHOW transaction_deferrable;")
|
|
self.assertEqual(cur.fetchone()[0], 'off')
|
|
self.conn.rollback()
|
|
|
|
def test_mixing_session_attribs(self):
|
|
cur = self.conn.cursor()
|
|
self.conn.autocommit = True
|
|
self.conn.readonly = True
|
|
|
|
cur.execute("SHOW transaction_read_only;")
|
|
self.assertEqual(cur.fetchone()[0], 'on')
|
|
|
|
cur.execute("SHOW default_transaction_read_only;")
|
|
self.assertEqual(cur.fetchone()[0], 'on')
|
|
|
|
self.conn.autocommit = False
|
|
cur.execute("SHOW transaction_read_only;")
|
|
self.assertEqual(cur.fetchone()[0], 'on')
|
|
|
|
cur.execute("SHOW default_transaction_read_only;")
|
|
self.assertEqual(cur.fetchone()[0], 'off')
|
|
|
|
def test_idempotence_check(self):
|
|
self.conn.autocommit = False
|
|
self.conn.readonly = True
|
|
self.conn.autocommit = True
|
|
self.conn.readonly = True
|
|
|
|
cur = self.conn.cursor()
|
|
cur.execute("SHOW transaction_read_only")
|
|
self.assertEqual(cur.fetchone()[0], 'on')
|
|
|
|
|
|
class TestEncryptPassword(ConnectingTestCase):
|
|
@skip_before_postgres(10)
|
|
def test_encrypt_password_post_9_6(self):
|
|
cur = self.conn.cursor()
|
|
cur.execute("SHOW password_encryption;")
|
|
server_encryption_algorithm = cur.fetchone()[0]
|
|
|
|
# MD5 algorithm
|
|
self.assertEqual(
|
|
ext.encrypt_password('psycopg2', 'ashesh', self.conn, 'md5'),
|
|
'md594839d658c28a357126f105b9cb14cfc'
|
|
)
|
|
|
|
# keywords
|
|
self.assertEqual(
|
|
ext.encrypt_password(
|
|
password='psycopg2', user='ashesh',
|
|
scope=self.conn, algorithm='md5'),
|
|
'md594839d658c28a357126f105b9cb14cfc'
|
|
)
|
|
if libpq_version() < 100000:
|
|
self.assertRaises(
|
|
psycopg2.NotSupportedError,
|
|
ext.encrypt_password, 'psycopg2', 'ashesh', self.conn,
|
|
'scram-sha-256'
|
|
)
|
|
else:
|
|
enc_password = ext.encrypt_password(
|
|
'psycopg2', 'ashesh', self.conn
|
|
)
|
|
if server_encryption_algorithm == 'md5':
|
|
self.assertEqual(
|
|
enc_password, 'md594839d658c28a357126f105b9cb14cfc'
|
|
)
|
|
elif server_encryption_algorithm == 'scram-sha-256':
|
|
self.assertEqual(enc_password[:14], 'SCRAM-SHA-256$')
|
|
|
|
self.assertEqual(
|
|
ext.encrypt_password(
|
|
'psycopg2', 'ashesh', self.conn, 'scram-sha-256'
|
|
)[:14], 'SCRAM-SHA-256$'
|
|
)
|
|
|
|
self.assertRaises(psycopg2.ProgrammingError,
|
|
ext.encrypt_password, 'psycopg2', 'ashesh', self.conn, 'abc')
|
|
|
|
@skip_after_postgres(10)
|
|
def test_encrypt_password_pre_10(self):
|
|
self.assertEqual(
|
|
ext.encrypt_password('psycopg2', 'ashesh', self.conn),
|
|
'md594839d658c28a357126f105b9cb14cfc'
|
|
)
|
|
|
|
self.assertRaises(psycopg2.ProgrammingError,
|
|
ext.encrypt_password, 'psycopg2', 'ashesh', self.conn, 'abc')
|
|
|
|
def test_encrypt_md5(self):
|
|
self.assertEqual(
|
|
ext.encrypt_password('psycopg2', 'ashesh', algorithm='md5'),
|
|
'md594839d658c28a357126f105b9cb14cfc'
|
|
)
|
|
|
|
def test_encrypt_scram(self):
|
|
if libpq_version() >= 100000:
|
|
self.assert_(
|
|
ext.encrypt_password(
|
|
'psycopg2', 'ashesh', self.conn, 'scram-sha-256')
|
|
.startswith('SCRAM-SHA-256$'))
|
|
else:
|
|
self.assertRaises(psycopg2.NotSupportedError,
|
|
ext.encrypt_password,
|
|
password='psycopg2', user='ashesh',
|
|
scope=self.conn, algorithm='scram-sha-256')
|
|
|
|
def test_bad_types(self):
|
|
self.assertRaises(TypeError, ext.encrypt_password)
|
|
self.assertRaises(TypeError, ext.encrypt_password,
|
|
'password', 42, self.conn, 'md5')
|
|
self.assertRaises(TypeError, ext.encrypt_password,
|
|
42, 'user', self.conn, 'md5')
|
|
self.assertRaises(TypeError, ext.encrypt_password,
|
|
42, 'user', 'wat', 'abc')
|
|
self.assertRaises(TypeError, ext.encrypt_password,
|
|
'password', 'user', 'wat', 42)
|
|
|
|
|
|
class AutocommitTests(ConnectingTestCase):
|
|
def test_closed(self):
|
|
self.conn.close()
|
|
self.assertRaises(psycopg2.InterfaceError,
|
|
setattr, self.conn, 'autocommit', True)
|
|
|
|
# The getter doesn't have a guard. We may change this in future
|
|
# to make it consistent with other methods; meanwhile let's just check
|
|
# it doesn't explode.
|
|
try:
|
|
self.assert_(self.conn.autocommit in (True, False))
|
|
except psycopg2.InterfaceError:
|
|
pass
|
|
|
|
def test_default_no_autocommit(self):
|
|
self.assert_(not self.conn.autocommit)
|
|
self.assertEqual(self.conn.status, ext.STATUS_READY)
|
|
self.assertEqual(self.conn.get_transaction_status(),
|
|
ext.TRANSACTION_STATUS_IDLE)
|
|
|
|
cur = self.conn.cursor()
|
|
cur.execute('select 1;')
|
|
self.assertEqual(self.conn.status, ext.STATUS_BEGIN)
|
|
self.assertEqual(self.conn.get_transaction_status(),
|
|
ext.TRANSACTION_STATUS_INTRANS)
|
|
|
|
self.conn.rollback()
|
|
self.assertEqual(self.conn.status, ext.STATUS_READY)
|
|
self.assertEqual(self.conn.get_transaction_status(),
|
|
ext.TRANSACTION_STATUS_IDLE)
|
|
|
|
def test_set_autocommit(self):
|
|
self.conn.autocommit = True
|
|
self.assert_(self.conn.autocommit)
|
|
self.assertEqual(self.conn.status, ext.STATUS_READY)
|
|
self.assertEqual(self.conn.get_transaction_status(),
|
|
ext.TRANSACTION_STATUS_IDLE)
|
|
|
|
cur = self.conn.cursor()
|
|
cur.execute('select 1;')
|
|
self.assertEqual(self.conn.status, ext.STATUS_READY)
|
|
self.assertEqual(self.conn.get_transaction_status(),
|
|
ext.TRANSACTION_STATUS_IDLE)
|
|
|
|
self.conn.autocommit = False
|
|
self.assert_(not self.conn.autocommit)
|
|
self.assertEqual(self.conn.status, ext.STATUS_READY)
|
|
self.assertEqual(self.conn.get_transaction_status(),
|
|
ext.TRANSACTION_STATUS_IDLE)
|
|
|
|
cur.execute('select 1;')
|
|
self.assertEqual(self.conn.status, ext.STATUS_BEGIN)
|
|
self.assertEqual(self.conn.get_transaction_status(),
|
|
ext.TRANSACTION_STATUS_INTRANS)
|
|
|
|
def test_set_intrans_error(self):
|
|
cur = self.conn.cursor()
|
|
cur.execute('select 1;')
|
|
self.assertRaises(psycopg2.ProgrammingError,
|
|
setattr, self.conn, 'autocommit', True)
|
|
|
|
def test_set_session_autocommit(self):
|
|
self.conn.set_session(autocommit=True)
|
|
self.assert_(self.conn.autocommit)
|
|
self.assertEqual(self.conn.status, ext.STATUS_READY)
|
|
self.assertEqual(self.conn.get_transaction_status(),
|
|
ext.TRANSACTION_STATUS_IDLE)
|
|
|
|
cur = self.conn.cursor()
|
|
cur.execute('select 1;')
|
|
self.assertEqual(self.conn.status, ext.STATUS_READY)
|
|
self.assertEqual(self.conn.get_transaction_status(),
|
|
ext.TRANSACTION_STATUS_IDLE)
|
|
|
|
self.conn.set_session(autocommit=False)
|
|
self.assert_(not self.conn.autocommit)
|
|
self.assertEqual(self.conn.status, ext.STATUS_READY)
|
|
self.assertEqual(self.conn.get_transaction_status(),
|
|
ext.TRANSACTION_STATUS_IDLE)
|
|
|
|
cur.execute('select 1;')
|
|
self.assertEqual(self.conn.status, ext.STATUS_BEGIN)
|
|
self.assertEqual(self.conn.get_transaction_status(),
|
|
ext.TRANSACTION_STATUS_INTRANS)
|
|
self.conn.rollback()
|
|
|
|
self.conn.set_session('serializable', readonly=True, autocommit=True)
|
|
self.assert_(self.conn.autocommit)
|
|
cur.execute('select 1;')
|
|
self.assertEqual(self.conn.status, ext.STATUS_READY)
|
|
self.assertEqual(self.conn.get_transaction_status(),
|
|
ext.TRANSACTION_STATUS_IDLE)
|
|
cur.execute("SHOW transaction_isolation;")
|
|
self.assertEqual(cur.fetchone()[0], 'serializable')
|
|
cur.execute("SHOW transaction_read_only;")
|
|
self.assertEqual(cur.fetchone()[0], 'on')
|
|
|
|
|
|
class PasswordLeakTestCase(ConnectingTestCase):
|
|
def setUp(self):
|
|
super(PasswordLeakTestCase, self).setUp()
|
|
PasswordLeakTestCase.dsn = None
|
|
|
|
class GrassingConnection(ext.connection):
|
|
"""A connection snitching the dsn away.
|
|
|
|
This connection passes the dsn to the test case class even if init
|
|
fails (e.g. connection error). Test that we mangle the dsn ok anyway.
|
|
"""
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
try:
|
|
super(PasswordLeakTestCase.GrassingConnection, self).__init__(
|
|
*args, **kwargs)
|
|
finally:
|
|
# The connection is not initialized entirely, however the C
|
|
# code should have set the dsn, and it should have scrubbed
|
|
# the password away
|
|
PasswordLeakTestCase.dsn = self.dsn
|
|
|
|
def test_leak(self):
|
|
self.assertRaises(psycopg2.DatabaseError,
|
|
self.GrassingConnection, "dbname=nosuch password=whateva")
|
|
self.assertDsnEqual(self.dsn, "dbname=nosuch password=xxx")
|
|
|
|
@skip_before_libpq(9, 2)
|
|
def test_url_leak(self):
|
|
self.assertRaises(psycopg2.DatabaseError,
|
|
self.GrassingConnection,
|
|
"postgres://someone:whateva@localhost/nosuch")
|
|
|
|
self.assertDsnEqual(self.dsn,
|
|
"user=someone password=xxx host=localhost dbname=nosuch")
|
|
|
|
|
|
class SignalTestCase(ConnectingTestCase):
|
|
@slow
|
|
@skip_before_postgres(8, 2)
|
|
def test_bug_551_returning(self):
|
|
# Raise an exception trying to decode 'id'
|
|
self._test_bug_551(query="""
|
|
INSERT INTO test551 (num) VALUES (%s) RETURNING id
|
|
""")
|
|
|
|
@slow
|
|
def test_bug_551_no_returning(self):
|
|
# Raise an exception trying to decode 'INSERT 0 1'
|
|
self._test_bug_551(query="""
|
|
INSERT INTO test551 (num) VALUES (%s)
|
|
""")
|
|
|
|
def _test_bug_551(self, query):
|
|
script = ("""\
|
|
import os
|
|
import sys
|
|
import time
|
|
import signal
|
|
import warnings
|
|
import threading
|
|
|
|
# ignore wheel deprecation warning
|
|
with warnings.catch_warnings():
|
|
warnings.simplefilter('ignore')
|
|
import psycopg2
|
|
|
|
def handle_sigabort(sig, frame):
|
|
sys.exit(1)
|
|
|
|
def killer():
|
|
time.sleep(0.5)
|
|
os.kill(os.getpid(), signal.SIGABRT)
|
|
|
|
signal.signal(signal.SIGABRT, handle_sigabort)
|
|
|
|
conn = psycopg2.connect(%(dsn)r)
|
|
|
|
cur = conn.cursor()
|
|
|
|
cur.execute("create table test551 (id serial, num varchar(50))")
|
|
|
|
t = threading.Thread(target=killer)
|
|
t.daemon = True
|
|
t.start()
|
|
|
|
while True:
|
|
cur.execute(%(query)r, ("Hello, world!",))
|
|
""" % {'dsn': dsn, 'query': query})
|
|
|
|
proc = sp.Popen([sys.executable, '-c', script],
|
|
stdout=sp.PIPE, stderr=sp.PIPE)
|
|
(out, err) = proc.communicate()
|
|
self.assertNotEqual(proc.returncode, 0)
|
|
# Strip [NNN refs] from output
|
|
err = re.sub(br'\[[^\]]+\]', b'', err).strip()
|
|
self.assert_(not err, err)
|
|
|
|
|
|
def test_suite():
|
|
return unittest.TestLoader().loadTestsFromName(__name__)
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|