94 lines
3.4 KiB
Python
94 lines
3.4 KiB
Python
#------------------------------------------------------------------------------
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# Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
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#
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# Portions Copyright 2007-2015, Anthony Tuininga. All rights reserved.
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#
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# Portions Copyright 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta,
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# Canada. All rights reserved.
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#------------------------------------------------------------------------------
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"""Module for testing cursor variables."""
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import TestEnv
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import cx_Oracle
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import sys
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class TestCase(TestEnv.BaseTestCase):
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def testBindCursor(self):
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"test binding in a cursor"
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cursor = self.connection.cursor()
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self.assertEqual(cursor.description, None)
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self.cursor.execute("""
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begin
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open :cursor for select 'X' StringValue from dual;
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end;""",
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cursor = cursor)
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self.assertEqual(cursor.description,
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[ ('STRINGVALUE', cx_Oracle.FIXED_CHAR, 1,
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TestEnv.GetCharSetRatio(), None, None, 1) ])
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self.assertEqual(cursor.fetchall(), [('X',)])
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def testBindCursorInPackage(self):
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"test binding in a cursor from a package"
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cursor = self.connection.cursor()
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self.assertEqual(cursor.description, None)
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self.cursor.callproc("pkg_TestRefCursors.TestOutCursor", (2, cursor))
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self.assertEqual(cursor.description,
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[ ('INTCOL', cx_Oracle.NUMBER, 10, None, 9, 0, 0),
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('STRINGCOL', cx_Oracle.STRING, 20, 20 *
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TestEnv.GetCharSetRatio(), None, None, 0) ])
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self.assertEqual(cursor.fetchall(),
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[ (1, 'String 1'), (2, 'String 2') ])
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def testBindSelf(self):
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"test that binding the cursor itself is not supported"
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cursor = self.connection.cursor()
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sql = """
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begin
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open :pcursor for
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select 1 from dual;
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end;"""
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self.assertRaises(cx_Oracle.DatabaseError, cursor.execute, sql,
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pcursor = cursor)
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def testExecuteAfterClose(self):
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"test executing a statement returning a ref cursor after closing it"
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outCursor = self.connection.cursor()
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sql = """
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begin
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open :pcursor for
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select IntCol
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from TestNumbers
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order by IntCol;
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end;"""
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self.cursor.execute(sql, pcursor = outCursor)
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rows = outCursor.fetchall()
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outCursor.close()
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outCursor = self.connection.cursor()
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self.cursor.execute(sql, pcursor = outCursor)
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rows2 = outCursor.fetchall()
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self.assertEqual(rows, rows2)
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def testFetchCursor(self):
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"test fetching a cursor"
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self.cursor.execute("""
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select
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IntCol,
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cursor(select IntCol + 1 from dual) CursorValue
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from TestNumbers
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order by IntCol""")
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self.assertEqual(self.cursor.description,
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[ ('INTCOL', cx_Oracle.NUMBER, 10, None, 9, 0, 0),
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('CURSORVALUE', cx_Oracle.CURSOR, None, None, None, None,
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1) ])
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for i in range(1, 11):
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number, cursor = self.cursor.fetchone()
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self.assertEqual(number, i)
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self.assertEqual(cursor.fetchall(), [(i + 1,)])
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if __name__ == "__main__":
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TestEnv.RunTestCases()
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