mirror of
https://github.com/psycopg/psycopg2.git
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113 lines
4.0 KiB
Python
113 lines
4.0 KiB
Python
#!/usr/bin/env python
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#
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# extras_dictcursor - test if DictCursor extension class works
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#
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# Copyright (C) 2004-2010 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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import psycopg2
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import psycopg2.extras
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import unittest
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import tests
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class ExtrasDictCursorTests(unittest.TestCase):
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"""Test if DictCursor extension class works."""
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def setUp(self):
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self.conn = psycopg2.connect(tests.dsn)
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curs = self.conn.cursor()
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curs.execute("CREATE TEMPORARY TABLE ExtrasDictCursorTests (foo text)")
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curs.execute("INSERT INTO ExtrasDictCursorTests VALUES ('bar')")
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self.conn.commit()
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def tearDown(self):
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self.conn.close()
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def testDictCursorWithPlainCursorFetchOne(self):
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self._testWithPlainCursor(lambda curs: curs.fetchone())
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def testDictCursorWithPlainCursorFetchMany(self):
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self._testWithPlainCursor(lambda curs: curs.fetchmany(100)[0])
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def testDictCursorWithPlainCursorFetchAll(self):
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self._testWithPlainCursor(lambda curs: curs.fetchall()[0])
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def testDictCursorWithPlainCursorIter(self):
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def getter(curs):
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for row in curs:
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return row
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self._testWithPlainCursor(getter)
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def testDictCursorWithPlainCursorRealFetchOne(self):
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self._testWithPlainCursorReal(lambda curs: curs.fetchone())
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def testDictCursorWithPlainCursorRealFetchMany(self):
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self._testWithPlainCursorReal(lambda curs: curs.fetchmany(100)[0])
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def testDictCursorWithPlainCursorRealFetchAll(self):
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self._testWithPlainCursorReal(lambda curs: curs.fetchall()[0])
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def testDictCursorWithPlainCursorRealIter(self):
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def getter(curs):
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for row in curs:
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return row
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self._testWithPlainCursorReal(getter)
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def testDictCursorWithNamedCursorFetchOne(self):
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self._testWithNamedCursor(lambda curs: curs.fetchone())
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def testDictCursorWithNamedCursorFetchMany(self):
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self._testWithNamedCursor(lambda curs: curs.fetchmany(100)[0])
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def testDictCursorWithNamedCursorFetchAll(self):
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self._testWithNamedCursor(lambda curs: curs.fetchall()[0])
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def testDictCursorWithNamedCursorIter(self):
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def getter(curs):
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for row in curs:
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return row
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self._testWithNamedCursor(getter)
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def _testWithPlainCursor(self, getter):
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curs = self.conn.cursor(cursor_factory=psycopg2.extras.DictCursor)
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curs.execute("SELECT * FROM ExtrasDictCursorTests")
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row = getter(curs)
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self.failUnless(row['foo'] == 'bar')
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self.failUnless(row[0] == 'bar')
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def _testWithNamedCursor(self, getter):
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curs = self.conn.cursor('aname', cursor_factory=psycopg2.extras.DictCursor)
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curs.execute("SELECT * FROM ExtrasDictCursorTests")
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row = getter(curs)
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self.failUnless(row['foo'] == 'bar')
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self.failUnless(row[0] == 'bar')
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def _testWithPlainCursorReal(self, getter):
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curs = self.conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
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curs.execute("SELECT * FROM ExtrasDictCursorTests")
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row = getter(curs)
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self.failUnless(row['foo'] == 'bar')
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def _testWithNamedCursorReal(self, getter):
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curs = self.conn.cursor('aname', cursor_factory=psycopg2.extras.RealDictCursor)
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curs.execute("SELECT * FROM ExtrasDictCursorTests")
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row = getter(curs)
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self.failUnless(row['foo'] == 'bar')
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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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