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#------------------------------------------------------------------------------
# Copyright 2016, 2017, 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."""
class TestStringVar(BaseTestCase):
def setUp(self):
BaseTestCase.setUp(self)
self.rawData = []
self.dataByKey = {}
for i in range(1, 11):
stringCol = u"String %d" % i
fixedCharCol = (u"Fixed Char %d" % i).ljust(40)
rawCol = "Raw %d" % i
if i % 2:
nullableCol = u"Nullable %d" % i
else:
nullableCol = None
dataTuple = (i, stringCol, rawCol, fixedCharCol, nullableCol)
self.rawData.append(dataTuple)
self.dataByKey[i] = dataTuple
def testBindString(self):
"test binding in a string"
self.cursor.execute(u"""
select * from TestStrings
where StringCol = :value""",
value = u"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(u"begin :retval := 'Called'; end;",
retval = retval_1)
self.assertEqual(retval_1.getvalue(), u"Called")
self.cursor.execute(u"begin :retval := 'Called'; end;",
retval = retval_2)
self.assertEqual(retval_2.getvalue(), u"Called")
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(u"""
select * from TestStrings
where StringCol = :value""",
value = u"String 6")
self.assertEqual(self.cursor.fetchall(), [self.dataByKey[6]])
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(u"""
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(u"""
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 = [u"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(u"""
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 = [u"Test out element # %d" % i for i in range(1, 7)]
self.cursor.execute(u"""
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(u"""
select * from TestStrings
where RawCol = :value""",
value = "Raw 4")
self.assertEqual(self.cursor.fetchall(), [self.dataByKey[4]])
def testBindAndFetchRowid(self):
"test binding (and fetching) a rowid"
self.cursor.execute(u"""
select rowid
from TestStrings
where IntCol = 3""")
rowid, = self.cursor.fetchone()
self.cursor.execute(u"""
select *
from TestStrings
where rowid = :value""",
value = rowid)
self.assertEqual(self.cursor.fetchall(), [self.dataByKey[3]])
def testBindNull(self):
"test binding in a null"
self.cursor.execute(u"""
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(u"""
begin
:value := 'TSI';
end;""")
self.assertEqual(vars["value"].getvalue(), u"TSI")
def testBindOutSetInputSizesByInteger(self):
"test binding out with set input sizes defined (by integer)"
vars = self.cursor.setinputsizes(value = 30)
self.cursor.execute(u"""
begin
:value := 'TSI (I)';
end;""")
self.assertEqual(vars["value"].getvalue(), u"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(u"""
begin
:value := :value || ' TSI';
end;""",
value = u"InVal")
self.assertEqual(vars["value"].getvalue(), u"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(u"""
begin
:value := :value || ' TSI (I)';
end;""",
value = u"InVal")
self.assertEqual(vars["value"].getvalue(), u"InVal TSI (I)")
def testBindOutVar(self):
"test binding out with cursor.var() method"
var = self.cursor.var(cx_Oracle.STRING)
self.cursor.execute(u"""
begin
:value := 'TSI (VAR)';
end;""",
value = var)
self.assertEqual(var.getvalue(), u"TSI (VAR)")
def testBindInOutVarDirectSet(self):
"test binding in/out with cursor.var() method"
var = self.cursor.var(cx_Oracle.STRING)
var.setvalue(0, u"InVal")
self.cursor.execute(u"""
begin
:value := :value || ' TSI (VAR)';
end;""",
value = var)
self.assertEqual(var.getvalue(), u"InVal TSI (VAR)")
def testBindLongString(self):
"test that binding a long string succeeds"
self.cursor.execute(u"""
declare
t_Temp varchar2(10000);
begin
t_Temp := :bigString;
end;""",
bigString = u"X" * 10000)
def testBindLongStringAfterSettingSize(self):
"test that setinputsizes() returns a long variable"
var = self.cursor.setinputsizes(test = 90000)["test"]
inString = u"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(u"select * from TestStrings")
self.assertEqual(self.cursor.description,
[ (u'INTCOL', cx_Oracle.NUMBER, 10, None, 9, 0, 0),
(u'STRINGCOL', cx_Oracle.STRING, 20, 80, None, None, 0),
(u'RAWCOL', cx_Oracle.BINARY, 30, 30, None, None, 0),
(u'FIXEDCHARCOL', cx_Oracle.FIXED_CHAR, 40, 160, None, None,
0),
(u'NULLABLECOL', cx_Oracle.STRING, 50, 200, None, None, 1) ])
def testFetchAll(self):
"test that fetching all of the data returns the correct results"
self.cursor.execute(u"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(u"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(u"""
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)
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