ef036cbefc
assuming the number of columns (in preparation for adding additional nullable columns for other tests).
403 lines
16 KiB
Python
403 lines
16 KiB
Python
# -*- coding: utf-8 -*-
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#------------------------------------------------------------------------------
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# Copyright (c) 2016, 2018, 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 string variables."""
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import datetime
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class TestStringVar(BaseTestCase):
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def setUp(self):
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BaseTestCase.setUp(self)
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self.rawData = []
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self.dataByKey = {}
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for i in range(1, 11):
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stringCol = "String %d" % i
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fixedCharCol = ("Fixed Char %d" % i).ljust(40)
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rawCol = ("Raw %d" % i).encode("ascii")
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if i % 2:
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nullableCol = "Nullable %d" % i
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else:
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nullableCol = None
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dataTuple = (i, stringCol, rawCol, fixedCharCol, nullableCol)
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self.rawData.append(dataTuple)
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self.dataByKey[i] = dataTuple
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def testArrayWithIncreasedSize(self):
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"test creating an array var and then increasing the internal size"
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val = ["12345678901234567890"] * 3
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arrayVar = self.cursor.arrayvar(str, len(val), 4)
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arrayVar.setvalue(0, val)
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self.assertEqual(arrayVar.getvalue(), val)
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def testBindString(self):
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"test binding in a string"
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self.cursor.execute("""
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select * from TestStrings
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where StringCol = :value""",
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value = "String 5")
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self.assertEqual(self.cursor.fetchall(), [self.dataByKey[5]])
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def testBindDifferentVar(self):
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"test binding a different variable on second execution"
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retval_1 = self.cursor.var(cx_Oracle.STRING, 30)
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retval_2 = self.cursor.var(cx_Oracle.STRING, 30)
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self.cursor.execute("begin :retval := 'Called'; end;",
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retval = retval_1)
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self.assertEqual(retval_1.getvalue(), "Called")
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self.cursor.execute("begin :retval := 'Called'; end;",
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retval = retval_2)
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self.assertEqual(retval_2.getvalue(), "Called")
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def testExceedsNumElements(self):
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"test exceeding the number of elements returns IndexError"
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var = self.cursor.var(str)
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self.assertRaises(IndexError, var.getvalue, 1)
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def testBindStringAfterNumber(self):
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"test binding in a string after setting input sizes to a number"
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self.cursor.setinputsizes(value = cx_Oracle.NUMBER)
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self.cursor.execute("""
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select * from TestStrings
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where StringCol = :value""",
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value = "String 6")
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self.assertEqual(self.cursor.fetchall(), [self.dataByKey[6]])
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def testBindStringArrayDirect(self):
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"test binding in a string array"
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returnValue = self.cursor.var(cx_Oracle.NUMBER)
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array = [r[1] for r in self.rawData]
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statement = """
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begin
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:returnValue := pkg_TestStringArrays.TestInArrays(
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:integerValue, :array);
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end;"""
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self.cursor.execute(statement,
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returnValue = returnValue,
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integerValue = 5,
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array = array)
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self.assertEqual(returnValue.getvalue(), 86)
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array = [ "String - %d" % i for i in range(15) ]
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self.cursor.execute(statement,
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integerValue = 8,
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array = array)
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self.assertEqual(returnValue.getvalue(), 163)
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def testBindStringArrayBySizes(self):
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"test binding in a string array (with setinputsizes)"
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returnValue = self.cursor.var(cx_Oracle.NUMBER)
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self.cursor.setinputsizes(array = [cx_Oracle.STRING, 10])
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array = [r[1] for r in self.rawData]
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self.cursor.execute("""
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begin
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:returnValue := pkg_TestStringArrays.TestInArrays(
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:integerValue, :array);
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end;""",
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returnValue = returnValue,
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integerValue = 6,
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array = array)
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self.assertEqual(returnValue.getvalue(), 87)
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def testBindStringArrayByVar(self):
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"test binding in a string array (with arrayvar)"
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returnValue = self.cursor.var(cx_Oracle.NUMBER)
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array = self.cursor.arrayvar(cx_Oracle.STRING, 10, 20)
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array.setvalue(0, [r[1] for r in self.rawData])
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self.cursor.execute("""
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begin
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:returnValue := pkg_TestStringArrays.TestInArrays(
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:integerValue, :array);
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end;""",
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returnValue = returnValue,
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integerValue = 7,
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array = array)
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self.assertEqual(returnValue.getvalue(), 88)
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def testBindInOutStringArrayByVar(self):
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"test binding in/out a string array (with arrayvar)"
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array = self.cursor.arrayvar(cx_Oracle.STRING, 10, 100)
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originalData = [r[1] for r in self.rawData]
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expectedData = ["Converted element # %d originally had length %d" % \
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(i, len(originalData[i - 1])) for i in range(1, 6)] + \
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originalData[5:]
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array.setvalue(0, originalData)
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self.cursor.execute("""
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begin
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pkg_TestStringArrays.TestInOutArrays(:numElems, :array);
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end;""",
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numElems = 5,
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array = array)
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self.assertEqual(array.getvalue(), expectedData)
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def testBindOutStringArrayByVar(self):
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"test binding out a string array (with arrayvar)"
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array = self.cursor.arrayvar(cx_Oracle.STRING, 6, 100)
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expectedData = ["Test out element # %d" % i for i in range(1, 7)]
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self.cursor.execute("""
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begin
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pkg_TestStringArrays.TestOutArrays(:numElems, :array);
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end;""",
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numElems = 6,
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array = array)
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self.assertEqual(array.getvalue(), expectedData)
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def testBindRaw(self):
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"test binding in a raw"
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self.cursor.setinputsizes(value = cx_Oracle.BINARY)
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self.cursor.execute("""
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select * from TestStrings
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where RawCol = :value""",
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value = "Raw 4".encode("ascii"))
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self.assertEqual(self.cursor.fetchall(), [self.dataByKey[4]])
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def testBindAndFetchRowid(self):
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"test binding (and fetching) a rowid"
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self.cursor.execute("""
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select rowid
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from TestStrings
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where IntCol = 3""")
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rowid, = self.cursor.fetchone()
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self.cursor.execute("""
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select *
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from TestStrings
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where rowid = :value""",
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value = rowid)
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self.assertEqual(self.cursor.fetchall(), [self.dataByKey[3]])
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def testBindAndFetchUniversalRowids(self):
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"test binding (and fetching) universal rowids"
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self.cursor.execute("truncate table TestUniversalRowids")
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data = [
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(1, "ABC" * 75, datetime.datetime(2017, 4, 11)),
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(2, "DEF" * 80, datetime.datetime(2017, 4, 12))
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]
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for row in data:
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self.cursor.execute("""
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insert into TestUniversalRowids
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values (:1, :2, :3)""", row)
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self.connection.commit()
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self.cursor.execute("""
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select rowid
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from TestUniversalRowIds
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order by IntCol""")
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rowids = [r for r, in self.cursor]
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fetchedData = []
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for rowid in rowids:
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self.cursor.execute("""
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select *
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from TestUniversalRowids
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where rowid = :rid""",
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rid = rowid)
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fetchedData.extend(self.cursor.fetchall())
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self.assertEqual(fetchedData, data)
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def testBindNull(self):
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"test binding in a null"
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self.cursor.execute("""
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select * from TestStrings
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where StringCol = :value""",
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value = None)
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self.assertEqual(self.cursor.fetchall(), [])
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def testBindOutSetInputSizesByType(self):
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"test binding out with set input sizes defined (by type)"
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vars = self.cursor.setinputsizes(value = cx_Oracle.STRING)
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self.cursor.execute("""
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begin
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:value := 'TSI';
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end;""")
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self.assertEqual(vars["value"].getvalue(), "TSI")
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def testBindOutSetInputSizesByInteger(self):
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"test binding out with set input sizes defined (by integer)"
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vars = self.cursor.setinputsizes(value = 30)
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self.cursor.execute("""
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begin
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:value := 'TSI (I)';
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end;""")
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self.assertEqual(vars["value"].getvalue(), "TSI (I)")
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def testBindInOutSetInputSizesByType(self):
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"test binding in/out with set input sizes defined (by type)"
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vars = self.cursor.setinputsizes(value = cx_Oracle.STRING)
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self.cursor.execute("""
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begin
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:value := :value || ' TSI';
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end;""",
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value = "InVal")
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self.assertEqual(vars["value"].getvalue(), "InVal TSI")
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def testBindInOutSetInputSizesByInteger(self):
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"test binding in/out with set input sizes defined (by integer)"
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vars = self.cursor.setinputsizes(value = 30)
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self.cursor.execute("""
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begin
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:value := :value || ' TSI (I)';
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end;""",
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value = "InVal")
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self.assertEqual(vars["value"].getvalue(), "InVal TSI (I)")
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def testBindOutVar(self):
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"test binding out with cursor.var() method"
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var = self.cursor.var(cx_Oracle.STRING)
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self.cursor.execute("""
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begin
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:value := 'TSI (VAR)';
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end;""",
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value = var)
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self.assertEqual(var.getvalue(), "TSI (VAR)")
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def testBindInOutVarDirectSet(self):
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"test binding in/out with cursor.var() method"
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var = self.cursor.var(cx_Oracle.STRING)
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var.setvalue(0, "InVal")
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self.cursor.execute("""
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begin
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:value := :value || ' TSI (VAR)';
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end;""",
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value = var)
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self.assertEqual(var.getvalue(), "InVal TSI (VAR)")
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def testBindLongString(self):
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"test that binding a long string succeeds"
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self.cursor.setinputsizes(bigString = cx_Oracle.LONG_STRING)
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self.cursor.execute("""
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declare
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t_Temp varchar2(20000);
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begin
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t_Temp := :bigString;
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end;""",
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bigString = "X" * 10000)
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def testBindLongStringAfterSettingSize(self):
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"test that setinputsizes() returns a long variable"
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var = self.cursor.setinputsizes(test = 90000)["test"]
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inString = "1234567890" * 9000
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var.setvalue(0, inString)
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outString = var.getvalue()
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self.assertEqual(inString, outString,
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"output does not match: in was %d, out was %d" % \
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(len(inString), len(outString)))
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def testCursorDescription(self):
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"test cursor description is accurate"
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self.cursor.execute("select * from TestStrings")
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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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('STRINGCOL', cx_Oracle.STRING, 20, 20 * CS_RATIO, None,
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None, 0),
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('RAWCOL', cx_Oracle.BINARY, 30, 30, None, None, 0),
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('FIXEDCHARCOL', cx_Oracle.FIXED_CHAR, 40, 40 * CS_RATIO,
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None, None, 0),
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('NULLABLECOL', cx_Oracle.STRING, 50, 50 * CS_RATIO, None,
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None, 1) ])
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def testFetchAll(self):
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"test that fetching all of the data returns the correct results"
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self.cursor.execute("select * From TestStrings order by IntCol")
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self.assertEqual(self.cursor.fetchall(), self.rawData)
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self.assertEqual(self.cursor.fetchall(), [])
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def testFetchMany(self):
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"test that fetching data in chunks returns the correct results"
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self.cursor.execute("select * From TestStrings order by IntCol")
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self.assertEqual(self.cursor.fetchmany(3), self.rawData[0:3])
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self.assertEqual(self.cursor.fetchmany(2), self.rawData[3:5])
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self.assertEqual(self.cursor.fetchmany(4), self.rawData[5:9])
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self.assertEqual(self.cursor.fetchmany(3), self.rawData[9:])
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self.assertEqual(self.cursor.fetchmany(3), [])
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def testFetchOne(self):
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"test that fetching a single row returns the correct results"
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self.cursor.execute("""
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select *
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from TestStrings
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where IntCol in (3, 4)
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order by IntCol""")
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self.assertEqual(self.cursor.fetchone(), self.dataByKey[3])
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self.assertEqual(self.cursor.fetchone(), self.dataByKey[4])
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self.assertEqual(self.cursor.fetchone(), None)
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def testSupplementalCharacters(self):
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"test that binding and fetching supplemental charcters works correctly"
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self.cursor.execute("""
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select value
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from nls_database_parameters
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where parameter = 'NLS_CHARACTERSET'""")
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charset, = self.cursor.fetchone()
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if charset != "AL32UTF8":
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self.skipTest("Database character set must be AL32UTF8")
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supplementalChars = "𠜎 𠜱 𠝹 𠱓 𠱸 𠲖 𠳏 𠳕 𠴕 𠵼 𠵿 𠸎 𠸏 𠹷 𠺝 " \
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"𠺢 𠻗 𠻹 𠻺 𠼭 𠼮 𠽌 𠾴 𠾼 𠿪 𡁜 𡁯 𡁵 𡁶 𡁻 𡃁 𡃉 𡇙 𢃇 " \
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"𢞵 𢫕 𢭃 𢯊 𢱑 𢱕 𢳂 𢴈 𢵌 𢵧 𢺳 𣲷 𤓓 𤶸 𤷪 𥄫 𦉘 𦟌 𦧲 " \
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"𦧺 𧨾 𨅝 𨈇 𨋢 𨳊 𨳍 𨳒 𩶘"
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self.cursor.execute("truncate table TestTempTable")
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self.cursor.execute("""
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insert into TestTempTable (IntCol, StringCol)
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values (:1, :2)""",
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(1, supplementalChars))
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self.connection.commit()
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self.cursor.execute("select StringCol from TestTempTable")
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value, = self.cursor.fetchone()
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self.assertEqual(value, supplementalChars)
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def testBindTwiceWithLargeStringSecond(self):
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"test binding twice with a larger string the second time"
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self.cursor.execute("truncate table TestTempTable")
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sql = "insert into TestTempTable (IntCol, StringCol) values (:1, :2)"
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shortString = "short string"
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longString = "long string " * 30
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self.cursor.execute(sql, (1, shortString))
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self.cursor.execute(sql, (2, longString))
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self.connection.commit()
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self.cursor.execute("""
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select IntCol, StringCol
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from TestTempTable
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order by IntCol""")
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self.assertEqual(self.cursor.fetchall(),
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[(1, shortString), (2, longString)])
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def testIssue50(self):
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"test issue 50 - avoid error ORA-24816"
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cursor = self.connection.cursor()
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try:
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cursor.execute("drop table issue_50 purge")
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except cx_Oracle.DatabaseError:
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pass
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cursor.execute("""
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create table issue_50 (
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Id number(11) primary key,
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Str1 nvarchar2(256),
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Str2 nvarchar2(256),
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Str3 nvarchar2(256),
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NClob1 nclob,
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NClob2 nclob
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)""")
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idVar = cursor.var(cx_Oracle.NUMBER)
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cursor.execute("""
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insert into issue_50 (Id, Str2, Str3, NClob1, NClob2, Str1)
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values (:arg0, :arg1, :arg2, :arg3, :arg4, :arg5)
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returning id into :arg6""",
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[1, '555a4c78', 'f319ef0e', '23009914', '', '', idVar])
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cursor = self.connection.cursor()
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cursor.execute("""
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insert into issue_50 (Id, Str2, Str3, NClob1, NClob2, Str1)
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values (:arg0, :arg1, :arg2, :arg3, :arg4, :arg5)
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returning id into :arg6""",
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[2, u'd5ff845a', u'94275767', u'bf161ff6', u'', u'', idVar])
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cursor.execute("drop table issue_50 purge")
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def testSetRowidToString(self):
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"test assigning a string to rowid"
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var = self.cursor.var(cx_Oracle.ROWID)
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self.assertRaises(cx_Oracle.NotSupportedError, var.setvalue, 0,
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"ABDHRYTHFJGKDKKDH")
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