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# -*- coding: utf-8 -*-
#------------------------------------------------------------------------------
# Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
#
# Portions Copyright 2007-2015, Anthony Tuininga. All rights reserved.
#
# Portions Copyright 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta,
# Canada. All rights reserved.
#------------------------------------------------------------------------------
"""Module for testing string variables."""
import TestEnv
import cx_Oracle
import datetime
import string
import random
class TestCase(TestEnv.BaseTestCase):
def setUp(self):
TestEnv.BaseTestCase.setUp(self)
self.rawData = []
self.dataByKey = {}
for i in range(1, 11):
stringCol = "String %d" % i
fixedCharCol = ("Fixed Char %d" % i).ljust(40)
rawCol = ("Raw %d" % i).encode("ascii")
if i % 2:
nullableCol = "Nullable %d" % i
else:
nullableCol = None
dataTuple = (i, stringCol, rawCol, fixedCharCol, nullableCol)
self.rawData.append(dataTuple)
self.dataByKey[i] = dataTuple
def testArrayWithIncreasedSize(self):
"test creating an array var and then increasing the internal size"
val = ["12345678901234567890"] * 3
arrayVar = self.cursor.arrayvar(str, len(val), 4)
arrayVar.setvalue(0, val)
self.assertEqual(arrayVar.getvalue(), val)
def testBindString(self):
"test binding in a string"
self.cursor.execute("""
select * from TestStrings
where StringCol = :value""",
value = "String 5")
self.assertEqual(self.cursor.fetchall(), [self.dataByKey[5]])
def testBindDifferentVar(self):
"test binding a different variable on second execution"
retval_1 = self.cursor.var(cx_Oracle.STRING, 30)
retval_2 = self.cursor.var(cx_Oracle.STRING, 30)
self.cursor.execute("begin :retval := 'Called'; end;",
retval = retval_1)
self.assertEqual(retval_1.getvalue(), "Called")
self.cursor.execute("begin :retval := 'Called'; end;",
retval = retval_2)
self.assertEqual(retval_2.getvalue(), "Called")
def testExceedsNumElements(self):
"test exceeding the number of elements returns IndexError"
var = self.cursor.var(str)
self.assertRaises(IndexError, var.getvalue, 1)
def testBindStringAfterNumber(self):
"test binding in a string after setting input sizes to a number"
self.cursor.setinputsizes(value = cx_Oracle.NUMBER)
self.cursor.execute("""
select * from TestStrings
where StringCol = :value""",
value = "String 6")
self.assertEqual(self.cursor.fetchall(), [self.dataByKey[6]])
def testBindStringArrayDirect(self):
"test binding in a string array"
returnValue = self.cursor.var(cx_Oracle.NUMBER)
array = [r[1] for r in self.rawData]
statement = """
begin
:returnValue := pkg_TestStringArrays.TestInArrays(
:integerValue, :array);
end;"""
self.cursor.execute(statement,
returnValue = returnValue,
integerValue = 5,
array = array)
self.assertEqual(returnValue.getvalue(), 86)
array = [ "String - %d" % i for i in range(15) ]
self.cursor.execute(statement,
integerValue = 8,
array = array)
self.assertEqual(returnValue.getvalue(), 163)
def testBindStringArrayBySizes(self):
"test binding in a string array (with setinputsizes)"
returnValue = self.cursor.var(cx_Oracle.NUMBER)
self.cursor.setinputsizes(array = [cx_Oracle.STRING, 10])
array = [r[1] for r in self.rawData]
self.cursor.execute("""
begin
:returnValue := pkg_TestStringArrays.TestInArrays(
:integerValue, :array);
end;""",
returnValue = returnValue,
integerValue = 6,
array = array)
self.assertEqual(returnValue.getvalue(), 87)
def testBindStringArrayByVar(self):
"test binding in a string array (with arrayvar)"
returnValue = self.cursor.var(cx_Oracle.NUMBER)
array = self.cursor.arrayvar(cx_Oracle.STRING, 10, 20)
array.setvalue(0, [r[1] for r in self.rawData])
self.cursor.execute("""
begin
:returnValue := pkg_TestStringArrays.TestInArrays(
:integerValue, :array);
end;""",
returnValue = returnValue,
integerValue = 7,
array = array)
self.assertEqual(returnValue.getvalue(), 88)
def testBindInOutStringArrayByVar(self):
"test binding in/out a string array (with arrayvar)"
array = self.cursor.arrayvar(cx_Oracle.STRING, 10, 100)
originalData = [r[1] for r in self.rawData]
expectedData = ["Converted element # %d originally had length %d" % \
(i, len(originalData[i - 1])) for i in range(1, 6)] + \
originalData[5:]
array.setvalue(0, originalData)
self.cursor.execute("""
begin
pkg_TestStringArrays.TestInOutArrays(:numElems, :array);
end;""",
numElems = 5,
array = array)
self.assertEqual(array.getvalue(), expectedData)
def testBindOutStringArrayByVar(self):
"test binding out a string array (with arrayvar)"
array = self.cursor.arrayvar(cx_Oracle.STRING, 6, 100)
expectedData = ["Test out element # %d" % i for i in range(1, 7)]
self.cursor.execute("""
begin
pkg_TestStringArrays.TestOutArrays(:numElems, :array);
end;""",
numElems = 6,
array = array)
self.assertEqual(array.getvalue(), expectedData)
def testBindRaw(self):
"test binding in a raw"
self.cursor.setinputsizes(value = cx_Oracle.BINARY)
self.cursor.execute("""
select * from TestStrings
where RawCol = :value""",
value = "Raw 4".encode("ascii"))
self.assertEqual(self.cursor.fetchall(), [self.dataByKey[4]])
def testBindAndFetchRowid(self):
"test binding (and fetching) a rowid"
self.cursor.execute("""
select rowid
from TestStrings
where IntCol = 3""")
rowid, = self.cursor.fetchone()
self.cursor.execute("""
select *
from TestStrings
where rowid = :value""",
value = rowid)
self.assertEqual(self.cursor.fetchall(), [self.dataByKey[3]])
def testBindAndFetchUniversalRowids(self):
"test binding (and fetching) universal rowids"
self.cursor.execute("truncate table TestUniversalRowids")
data = [
(1, "ABC" * 75, datetime.datetime(2017, 4, 11)),
(2, "DEF" * 80, datetime.datetime(2017, 4, 12))
]
for row in data:
self.cursor.execute("""
insert into TestUniversalRowids
values (:1, :2, :3)""", row)
self.connection.commit()
self.cursor.execute("""
select rowid
from TestUniversalRowIds
order by IntCol""")
rowids = [r for r, in self.cursor]
fetchedData = []
for rowid in rowids:
self.cursor.execute("""
select *
from TestUniversalRowids
where rowid = :rid""",
rid = rowid)
fetchedData.extend(self.cursor.fetchall())
self.assertEqual(fetchedData, data)
def testBindNull(self):
"test binding in a null"
self.cursor.execute("""
select * from TestStrings
where StringCol = :value""",
value = None)
self.assertEqual(self.cursor.fetchall(), [])
def testBindOutSetInputSizesByType(self):
"test binding out with set input sizes defined (by type)"
vars = self.cursor.setinputsizes(value = cx_Oracle.STRING)
self.cursor.execute("""
begin
:value := 'TSI';
end;""")
self.assertEqual(vars["value"].getvalue(), "TSI")
def testBindOutSetInputSizesByInteger(self):
"test binding out with set input sizes defined (by integer)"
vars = self.cursor.setinputsizes(value = 30)
self.cursor.execute("""
begin
:value := 'TSI (I)';
end;""")
self.assertEqual(vars["value"].getvalue(), "TSI (I)")
def testBindInOutSetInputSizesByType(self):
"test binding in/out with set input sizes defined (by type)"
vars = self.cursor.setinputsizes(value = cx_Oracle.STRING)
self.cursor.execute("""
begin
:value := :value || ' TSI';
end;""",
value = "InVal")
self.assertEqual(vars["value"].getvalue(), "InVal TSI")
def testBindInOutSetInputSizesByInteger(self):
"test binding in/out with set input sizes defined (by integer)"
vars = self.cursor.setinputsizes(value = 30)
self.cursor.execute("""
begin
:value := :value || ' TSI (I)';
end;""",
value = "InVal")
self.assertEqual(vars["value"].getvalue(), "InVal TSI (I)")
def testBindOutVar(self):
"test binding out with cursor.var() method"
var = self.cursor.var(cx_Oracle.STRING)
self.cursor.execute("""
begin
:value := 'TSI (VAR)';
end;""",
value = var)
self.assertEqual(var.getvalue(), "TSI (VAR)")
def testBindInOutVarDirectSet(self):
"test binding in/out with cursor.var() method"
var = self.cursor.var(cx_Oracle.STRING)
var.setvalue(0, "InVal")
self.cursor.execute("""
begin
:value := :value || ' TSI (VAR)';
end;""",
value = var)
self.assertEqual(var.getvalue(), "InVal TSI (VAR)")
def testBindLongString(self):
"test that binding a long string succeeds"
self.cursor.setinputsizes(bigString = cx_Oracle.LONG_STRING)
self.cursor.execute("""
declare
t_Temp varchar2(20000);
begin
t_Temp := :bigString;
end;""",
bigString = "X" * 10000)
def testBindLongStringAfterSettingSize(self):
"test that setinputsizes() returns a long variable"
var = self.cursor.setinputsizes(test = 90000)["test"]
inString = "1234567890" * 9000
var.setvalue(0, inString)
outString = var.getvalue()
self.assertEqual(inString, outString,
"output does not match: in was %d, out was %d" % \
(len(inString), len(outString)))
def testCursorDescription(self):
"test cursor description is accurate"
self.cursor.execute("select * from TestStrings")
self.assertEqual(self.cursor.description,
[ ('INTCOL', cx_Oracle.NUMBER, 10, None, 9, 0, 0),
('STRINGCOL', cx_Oracle.STRING, 20,
20 * TestEnv.GetCharSetRatio(), None,
None, 0),
('RAWCOL', cx_Oracle.BINARY, 30, 30, None, None, 0),
('FIXEDCHARCOL', cx_Oracle.FIXED_CHAR, 40,
40 * TestEnv.GetCharSetRatio(),
None, None, 0),
('NULLABLECOL', cx_Oracle.STRING, 50,
50 * TestEnv.GetCharSetRatio(), None,
None, 1) ])
def testFetchAll(self):
"test that fetching all of the data returns the correct results"
self.cursor.execute("select * From TestStrings order by IntCol")
self.assertEqual(self.cursor.fetchall(), self.rawData)
self.assertEqual(self.cursor.fetchall(), [])
def testFetchMany(self):
"test that fetching data in chunks returns the correct results"
self.cursor.execute("select * From TestStrings order by IntCol")
self.assertEqual(self.cursor.fetchmany(3), self.rawData[0:3])
self.assertEqual(self.cursor.fetchmany(2), self.rawData[3:5])
self.assertEqual(self.cursor.fetchmany(4), self.rawData[5:9])
self.assertEqual(self.cursor.fetchmany(3), self.rawData[9:])
self.assertEqual(self.cursor.fetchmany(3), [])
def testFetchOne(self):
"test that fetching a single row returns the correct results"
self.cursor.execute("""
select *
from TestStrings
where IntCol in (3, 4)
order by IntCol""")
self.assertEqual(self.cursor.fetchone(), self.dataByKey[3])
self.assertEqual(self.cursor.fetchone(), self.dataByKey[4])
self.assertEqual(self.cursor.fetchone(), None)
def testSupplementalCharacters(self):
"test that binding and fetching supplemental charcters works correctly"
self.cursor.execute("""
select value
from nls_database_parameters
where parameter = 'NLS_CHARACTERSET'""")
charset, = self.cursor.fetchone()
if charset != "AL32UTF8":
self.skipTest("Database character set must be AL32UTF8")
supplementalChars = "𠜎 𠜱 𠝹 𠱓 𠱸 𠲖 𠳏 𠳕 𠴕 𠵼 𠵿 𠸎 𠸏 𠹷 𠺝 " \
"𠺢 𠻗 𠻹 𠻺 𠼭 𠼮 𠽌 𠾴 𠾼 𠿪 𡁜 𡁯 𡁵 𡁶 𡁻 𡃁 𡃉 𡇙 𢃇 " \
"𢞵 𢫕 𢭃 𢯊 𢱑 𢱕 𢳂 𢴈 𢵌 𢵧 𢺳 𣲷 𤓓 𤶸 𤷪 𥄫 𦉘 𦟌 𦧲 " \
"𦧺 𧨾 𨅝 𨈇 𨋢 𨳊 𨳍 𨳒 𩶘"
self.cursor.execute("truncate table TestTempTable")
self.cursor.execute("""
insert into TestTempTable (IntCol, StringCol)
values (:1, :2)""",
(1, supplementalChars))
self.connection.commit()
self.cursor.execute("select StringCol from TestTempTable")
value, = self.cursor.fetchone()
self.assertEqual(value, supplementalChars)
def testBindTwiceWithLargeStringSecond(self):
"test binding twice with a larger string the second time"
self.cursor.execute("truncate table TestTempTable")
sql = "insert into TestTempTable (IntCol, StringCol) values (:1, :2)"
shortString = "short string"
longString = "long string " * 30
self.cursor.execute(sql, (1, shortString))
self.cursor.execute(sql, (2, longString))
self.connection.commit()
self.cursor.execute("""
select IntCol, StringCol
from TestTempTable
order by IntCol""")
self.assertEqual(self.cursor.fetchall(),
[(1, shortString), (2, longString)])
def testIssue50(self):
"test issue 50 - avoid error ORA-24816"
cursor = self.connection.cursor()
try:
cursor.execute("drop table issue_50 purge")
except cx_Oracle.DatabaseError:
pass
cursor.execute("""
create table issue_50 (
Id number(11) primary key,
Str1 nvarchar2(256),
Str2 nvarchar2(256),
Str3 nvarchar2(256),
NClob1 nclob,
NClob2 nclob
)""")
idVar = cursor.var(cx_Oracle.NUMBER)
cursor.execute("""
insert into issue_50 (Id, Str2, Str3, NClob1, NClob2, Str1)
values (:arg0, :arg1, :arg2, :arg3, :arg4, :arg5)
returning id into :arg6""",
[1, '555a4c78', 'f319ef0e', '23009914', '', '', idVar])
cursor = self.connection.cursor()
cursor.execute("""
insert into issue_50 (Id, Str2, Str3, NClob1, NClob2, Str1)
values (:arg0, :arg1, :arg2, :arg3, :arg4, :arg5)
returning id into :arg6""",
[2, u'd5ff845a', u'94275767', u'bf161ff6', u'', u'', idVar])
cursor.execute("drop table issue_50 purge")
def testSetRowidToString(self):
"test assigning a string to rowid"
var = self.cursor.var(cx_Oracle.ROWID)
self.assertRaises(cx_Oracle.NotSupportedError, var.setvalue, 0,
"ABDHRYTHFJGKDKKDH")
def testShortXMLAsString(self):
"test fetching XMLType object as a string"
self.cursor.execute("""
select XMLElement("string", stringCol)
from TestStrings
where intCol = 1""")
actualValue, = self.cursor.fetchone()
expectedValue = "<string>String 1</string>"
self.assertEqual(actualValue, expectedValue)
def testLongXMLAsString(self):
"test inserting and fetching an XMLType object (1K) as a string"
chars = string.ascii_uppercase + string.ascii_lowercase
randomString = ''.join(random.choice(chars) for _ in range(1024))
intVal = 200
xmlString = '<data>' + randomString + '</data>'
self.cursor.execute("""
insert into TestXML (IntCol, XMLCol)
values (:1, :2)""", (intVal, xmlString))
self.cursor.execute("select XMLCol from TestXML where intCol = :1",
(intVal,))
actualValue, = self.cursor.fetchone()
self.assertEqual(actualValue.strip(), xmlString)
if __name__ == "__main__":
TestEnv.RunTestCases()
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