92 lines
3.6 KiB
Python
92 lines
3.6 KiB
Python
"""Module for testing long and long raw variables."""
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class TestLongVar(BaseTestCase):
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def __PerformTest(self, a_Type, a_InputType):
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self.cursor.execute("truncate table Test%ss" % a_Type)
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longString = ""
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for i in range(1, 11):
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char = chr(ord('A') + i - 1)
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longString += char * 25000
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self.cursor.setinputsizes(p_LongString = a_InputType)
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self.cursor.execute("""
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insert into Test%ss (
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IntCol,
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%sCol
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) values (
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:p_IntegerValue,
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:p_LongString
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)""" % (a_Type, a_Type),
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p_IntegerValue = i,
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p_LongString = longString)
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self.connection.commit()
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self.cursor.setoutputsize(250000, 2)
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self.cursor.execute("""
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select *
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from Test%ss
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order by IntCol""" % a_Type)
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longString = ""
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while 1:
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row = self.cursor.fetchone()
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if row is None:
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break
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integerValue, fetchedValue = row
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char = chr(ord('A') + integerValue - 1)
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longString += char * 25000
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self.failUnlessEqual(len(fetchedValue), integerValue * 25000)
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self.failUnlessEqual(fetchedValue, longString)
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def testLongs(self):
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"test binding and fetching long data"
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self.__PerformTest("Long", cx_Oracle.LONG_STRING)
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def testLongRaws(self):
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"test binding and fetching long raw data"
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self.__PerformTest("LongRaw", cx_Oracle.LONG_BINARY)
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def testLongCursorDescription(self):
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"test cursor description is accurate for longs"
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self.cursor.execute("select * from TestLongs")
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self.failUnlessEqual(self.cursor.description,
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[ ('INTCOL', cx_Oracle.NUMBER, 10, 22, 9, 0, 0),
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('LONGCOL', cx_Oracle.LONG_STRING, -1, 0, 0, 0, 0) ])
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def testLongRawCursorDescription(self):
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"test cursor description is accurate for long raws"
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self.cursor.execute("select * from TestLongRaws")
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self.failUnlessEqual(self.cursor.description,
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[ ('INTCOL', cx_Oracle.NUMBER, 10, 22, 9, 0, 0),
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('LONGRAWCOL', cx_Oracle.LONG_BINARY, -1, 0, 0, 0, 0) ])
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def testSetOutputSizesAll(self):
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"test setoutputsizes is valid (all)"
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self.cursor.setoutputsize(25000)
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longVar = self.cursor.execute("select * from TestLongRaws")[1]
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self.failUnlessEqual(longVar.maxlength,
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25004 * self.connection.maxBytesPerCharacter)
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def testSetOutputSizesWrongColumn(self):
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"test setoutputsizes is valid (wrong column)"
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self.cursor.setoutputsize(25000, 1)
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longVar = self.cursor.execute("select * from TestLongRaws")[1]
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self.failUnlessEqual(longVar.maxlength,
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131072 * self.connection.maxBytesPerCharacter)
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def testSetOutputSizesRightColumn(self):
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"test setoutputsizes is valid (right column)"
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self.cursor.setoutputsize(35000, 2)
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longVar = self.cursor.execute("select * from TestLongRaws")[1]
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self.failUnlessEqual(longVar.maxlength,
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35004 * self.connection.maxBytesPerCharacter)
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def testArraySizeTooLarge(self):
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"test array size too large generates an exception"
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self.cursor.arraysize = 65536
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self.failUnlessRaises(ValueError, self.cursor.execute,
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"select * from TestLongRaws")
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if __name__ == "__main__":
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print "Testing cx_Oracle version", cx_Oracle.version
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unittest.main()
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