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https://github.com/psycopg/psycopg2.git
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575b2b5f77
Implemented __conform__ as the Adaptation PEP suggests. It is not required for the type to be registered as adapter.
110 lines
3.5 KiB
Python
110 lines
3.5 KiB
Python
#!/usr/bin/env python
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#
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# types_extras.py - tests for extras types conversions
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#
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# Copyright (C) 2008-2010 Federico Di Gregorio <fog@debian.org>
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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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# 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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try:
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import decimal
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except:
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pass
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import sys
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import unittest
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import psycopg2
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import psycopg2.extras
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import tests
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class TypesExtrasTests(unittest.TestCase):
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"""Test that all type conversions are working."""
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def setUp(self):
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self.conn = psycopg2.connect(tests.dsn)
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def execute(self, *args):
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curs = self.conn.cursor()
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curs.execute(*args)
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return curs.fetchone()[0]
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def testUUID(self):
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try:
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import uuid
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psycopg2.extras.register_uuid()
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except:
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return
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u = uuid.UUID('9c6d5a77-7256-457e-9461-347b4358e350')
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s = self.execute("SELECT %s AS foo", (u,))
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self.failUnless(u == s)
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# must survive NULL cast to a uuid
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s = self.execute("SELECT NULL::uuid AS foo")
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self.failUnless(s is None)
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def testUUIDARRAY(self):
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try:
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import uuid
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psycopg2.extras.register_uuid()
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except:
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return
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u = [uuid.UUID('9c6d5a77-7256-457e-9461-347b4358e350'), uuid.UUID('9c6d5a77-7256-457e-9461-347b4358e352')]
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s = self.execute("SELECT %s AS foo", (u,))
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self.failUnless(u == s)
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# array with a NULL element
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u = [uuid.UUID('9c6d5a77-7256-457e-9461-347b4358e350'), None]
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s = self.execute("SELECT %s AS foo", (u,))
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self.failUnless(u == s)
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# must survive NULL cast to a uuid[]
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s = self.execute("SELECT NULL::uuid[] AS foo")
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self.failUnless(s is None)
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# what about empty arrays?
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s = self.execute("SELECT '{}'::uuid[] AS foo")
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self.failUnless(type(s) == list and len(s) == 0)
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def testINET(self):
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psycopg2.extras.register_inet()
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i = "192.168.1.0/24";
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s = self.execute("SELECT %s AS foo", (i,))
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self.failUnless(i == s)
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# must survive NULL cast to inet
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s = self.execute("SELECT NULL::inet AS foo")
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self.failUnless(s is None)
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def test_inet_conform(self):
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from psycopg2.extras import Inet
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i = Inet("192.168.1.0/24")
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a = psycopg2.extensions.adapt(i)
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a.prepare(self.conn)
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self.assertEqual("E'192.168.1.0/24'::inet", a.getquoted())
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# adapts ok with unicode too
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i = Inet(u"192.168.1.0/24")
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a = psycopg2.extensions.adapt(i)
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a.prepare(self.conn)
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self.assertEqual("E'192.168.1.0/24'::inet", a.getquoted())
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def test_adapt_fail(self):
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class Foo(object): pass
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self.assertRaises(psycopg2.ProgrammingError,
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psycopg2.extensions.adapt, Foo(), psycopg2.extensions.ISQLQuote, None)
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try:
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psycopg2.extensions.adapt(Foo(), psycopg2.extensions.ISQLQuote, None)
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except psycopg2.ProgrammingError, err:
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self.failUnless(str(err) == "can't adapt type 'Foo'")
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def test_suite():
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return unittest.TestLoader().loadTestsFromName(__name__)
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if __name__ == "__main__":
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unittest.main()
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