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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 object variables."""
import cx_Oracle
import datetime
import decimal
class TestObjectVar(BaseTestCase):
def __GetObjectAsTuple(self, obj):
if obj.type.iscollection:
value = []
for v in obj.aslist():
if isinstance(v, cx_Oracle.Object):
v = self.__GetObjectAsTuple(v)
elif isinstance(value, cx_Oracle.LOB):
v = v.read()
value.append(v)
return value
attributeValues = []
for attribute in obj.type.attributes:
value = getattr(obj, attribute.name)
if isinstance(value, cx_Oracle.Object):
value = self.__GetObjectAsTuple(value)
elif isinstance(value, cx_Oracle.LOB):
value = value.read()
attributeValues.append(value)
return tuple(attributeValues)
def __TestData(self, expectedIntValue, expectedObjectValue,
expectedArrayValue):
intValue, objectValue, arrayValue = self.cursor.fetchone()
if objectValue is not None:
objectValue = self.__GetObjectAsTuple(objectValue)
if arrayValue is not None:
arrayValue = arrayValue.aslist()
self.assertEqual(intValue, expectedIntValue)
self.assertEqual(objectValue, expectedObjectValue)
self.assertEqual(arrayValue, expectedArrayValue)
def testBindNullIn(self):
"test binding a null value (IN)"
var = self.cursor.var(cx_Oracle.OBJECT, typename = "UDT_OBJECT")
result = self.cursor.callfunc("pkg_TestBindObject.GetStringRep", str,
(var,))
self.assertEqual(result, "null")
def testBindObjectIn(self):
"test binding an object (IN)"
typeObj = self.connection.gettype("UDT_OBJECT")
obj = typeObj.newobject()
obj.NUMBERVALUE = 13
obj.STRINGVALUE = "Test String"
result = self.cursor.callfunc("pkg_TestBindObject.GetStringRep", str,
(obj,))
self.assertEqual(result,
"udt_Object(13, 'Test String', null, null, null, null, null)")
obj.NUMBERVALUE = None
obj.STRINGVALUE = "Test With Dates"
obj.DATEVALUE = datetime.datetime(2016, 2, 10)
obj.TIMESTAMPVALUE = datetime.datetime(2016, 2, 10, 14, 13, 50)
result = self.cursor.callfunc("pkg_TestBindObject.GetStringRep", str,
(obj,))
self.assertEqual(result,
"udt_Object(null, 'Test With Dates', null, " \
"to_date('2016-02-10', 'YYYY-MM-DD'), " \
"to_timestamp('2016-02-10 14:13:50', " \
"'YYYY-MM-DD HH24:MI:SS'), " \
"null, null)")
obj.DATEVALUE = None
obj.TIMESTAMPVALUE = None
subTypeObj = self.connection.gettype("UDT_SUBOBJECT")
subObj = subTypeObj.newobject()
subObj.SUBNUMBERVALUE = decimal.Decimal("18.25")
subObj.SUBSTRINGVALUE = "Sub String"
obj.SUBOBJECTVALUE = subObj
result = self.cursor.callfunc("pkg_TestBindObject.GetStringRep", str,
(obj,))
self.assertEqual(result,
"udt_Object(null, 'Test With Dates', null, null, null, " \
"udt_SubObject(18.25, 'Sub String'), null)")
def testCopyObject(self):
"test copying an object"
typeObj = self.connection.gettype("UDT_OBJECT")
obj = typeObj()
obj.NUMBERVALUE = 5124
obj.STRINGVALUE = "A test string"
obj.DATEVALUE = datetime.datetime(2016, 2, 24)
obj.TIMESTAMPVALUE = datetime.datetime(2016, 2, 24, 13, 39, 10)
copiedObj = obj.copy()
self.assertEqual(obj.NUMBERVALUE, copiedObj.NUMBERVALUE)
self.assertEqual(obj.STRINGVALUE, copiedObj.STRINGVALUE)
self.assertEqual(obj.DATEVALUE, copiedObj.DATEVALUE)
self.assertEqual(obj.TIMESTAMPVALUE, copiedObj.TIMESTAMPVALUE)
def testEmptyCollectionAsList(self):
"test getting an empty collection as a list"
typeName = "UDT_ARRAY"
typeObj = self.connection.gettype(typeName)
obj = typeObj.newobject()
self.assertEqual(obj.aslist(), [])
def testFetchData(self):
"test fetching objects"
self.cursor.execute("""
select
IntCol,
ObjectCol,
ArrayCol
from TestObjects
order by IntCol""")
self.assertEqual(self.cursor.description,
[ ('INTCOL', cx_Oracle.NUMBER, 10, None, 9, 0, 0),
('OBJECTCOL', cx_Oracle.OBJECT, None, None, None, None, 1),
('ARRAYCOL', cx_Oracle.OBJECT, None, None, None, None, 1) ])
self.__TestData(1, (1, 'First row', 'First ', 'N First Row',
'N First ', 2, 5, 12.125, 0.5, 12.5, 25.25, 50.125,
cx_Oracle.Timestamp(2007, 3, 6, 0, 0, 0),
cx_Oracle.Timestamp(2008, 9, 12, 16, 40),
cx_Oracle.Timestamp(2009, 10, 13, 17, 50),
cx_Oracle.Timestamp(2010, 11, 14, 18, 55),
'Short CLOB value', 'Short NCLOB Value', b'Short BLOB value',
(11, 'Sub object 1'),
[(5, 'first element'), (6, 'second element')]),
[5, 10, None, 20])
self.__TestData(2, None, [3, None, 9, 12, 15])
self.__TestData(3, (3, 'Third row', 'Third ', 'N Third Row',
'N Third ', 4, 10, 6.5, 0.75, 43.25, 86.5, 192.125,
cx_Oracle.Timestamp(2007, 6, 21, 0, 0, 0),
cx_Oracle.Timestamp(2007, 12, 13, 7, 30, 45),
cx_Oracle.Timestamp(2017, 6, 21, 23, 18, 45),
cx_Oracle.Timestamp(2017, 7, 21, 8, 27, 13),
'Another short CLOB value', 'Another short NCLOB Value',
b'Yet another short BLOB value',
(13, 'Sub object 3'),
[(10, 'element #1'), (20, 'element #2'),
(30, 'element #3'), (40, 'element #4')]), None)
def testGetObjectType(self):
"test getting object type"
typeObj = self.connection.gettype("UDT_OBJECT")
self.assertEqual(typeObj.iscollection, False)
self.assertEqual(typeObj.schema, self.connection.username.upper())
self.assertEqual(typeObj.name, "UDT_OBJECT")
expectedAttributeNames = ["NUMBERVALUE", "STRINGVALUE",
"FIXEDCHARVALUE", "NSTRINGVALUE", "NFIXEDCHARVALUE",
"INTVALUE", "SMALLINTVALUE", "REALVALUE",
"DOUBLEPRECISIONVALUE", "FLOATVALUE", "BINARYFLOATVALUE",
"BINARYDOUBLEVALUE", "DATEVALUE", "TIMESTAMPVALUE",
"TIMESTAMPTZVALUE", "TIMESTAMPLTZVALUE", "CLOBVALUE",
"NCLOBVALUE", "BLOBVALUE", "SUBOBJECTVALUE", "SUBOBJECTARRAY"]
actualAttributeNames = [a.name for a in typeObj.attributes]
self.assertEqual(actualAttributeNames, expectedAttributeNames)
typeObj = self.connection.gettype("UDT_OBJECTARRAY")
self.assertEqual(typeObj.iscollection, True)
self.assertEqual(typeObj.attributes, [])
def testObjectType(self):
"test object type data"
self.cursor.execute("""
select ObjectCol
from TestObjects
where ObjectCol is not null
and rownum <= 1""")
objValue, = self.cursor.fetchone()
self.assertEqual(objValue.type.schema,
self.connection.username.upper())
self.assertEqual(objValue.type.name, u"UDT_OBJECT")
self.assertEqual(objValue.type.attributes[0].name, "NUMBERVALUE")
def testRoundTripObject(self):
"test inserting and then querying object with all data types"
self.cursor.execute("truncate table TestClobs")
self.cursor.execute("truncate table TestNClobs")
self.cursor.execute("truncate table TestBlobs")
self.cursor.execute("insert into TestClobs values " \
"(1, 'A short CLOB')")
self.cursor.execute("insert into TestNClobs values " \
"(1, 'A short NCLOB')")
self.cursor.execute("insert into TestBlobs values " \
"(1, utl_raw.cast_to_raw('A short BLOB'))")
self.connection.commit()
self.cursor.execute("select CLOBCol from TestClobs")
clob, = self.cursor.fetchone()
self.cursor.execute("select NCLOBCol from TestNClobs")
nclob, = self.cursor.fetchone()
self.cursor.execute("select BLOBCol from TestBlobs")
blob, = self.cursor.fetchone()
typeObj = self.connection.gettype(u"UDT_OBJECT")
obj = typeObj.newobject()
obj.NUMBERVALUE = 5
obj.STRINGVALUE = "A string"
obj.FIXEDCHARVALUE = "Fixed str"
obj.NSTRINGVALUE = "A NCHAR string"
obj.NFIXEDCHARVALUE = "Fixed N"
obj.INTVALUE = 27
obj.SMALLINTVALUE = 13
obj.REALVALUE = 184.875
obj.DOUBLEPRECISIONVALUE = 1.375
obj.FLOATVALUE = 23.75
obj.DATEVALUE = datetime.date(2017, 5, 9)
obj.TIMESTAMPVALUE = datetime.datetime(2017, 5, 9, 9, 41, 13)
obj.TIMESTAMPTZVALUE = datetime.datetime(1986, 8, 2, 15, 27, 38)
obj.TIMESTAMPLTZVALUE = datetime.datetime(1999, 11, 12, 23, 5, 2)
obj.BINARYFLOATVALUE = 14.25
obj.BINARYDOUBLEVALUE = 29.1625
obj.CLOBVALUE = clob
obj.NCLOBVALUE = nclob
obj.BLOBVALUE = blob
subTypeObj = self.connection.gettype("UDT_SUBOBJECT")
subObj = subTypeObj.newobject()
subObj.SUBNUMBERVALUE = 23
subObj.SUBSTRINGVALUE = "Substring value"
obj.SUBOBJECTVALUE = subObj
self.cursor.execute("insert into TestObjects (IntCol, ObjectCol) " \
"values (4, :obj)", obj = obj)
self.cursor.execute("""
select IntCol, ObjectCol, ArrayCol
from TestObjects
where IntCol = 4""")
self.__TestData(4, (5, 'A string', 'Fixed str ', 'A NCHAR string',
'Fixed N ', 27, 13, 184.875, 1.375, 23.75, 14.25, 29.1625,
cx_Oracle.Timestamp(2017, 5, 9, 0, 0, 0),
cx_Oracle.Timestamp(2017, 5, 9, 9, 41, 13),
cx_Oracle.Timestamp(1986, 8, 2, 15, 27, 38),
cx_Oracle.Timestamp(1999, 11, 12, 23, 5, 2),
'A short CLOB', 'A short NCLOB', b'A short BLOB',
(23, 'Substring value'), None), None)
self.connection.rollback()
def testInvalidTypeObject(self):
"test trying to find an object type that does not exist"
self.assertRaises(cx_Oracle.DatabaseError, self.connection.gettype,
"A TYPE THAT DOES NOT EXIST")
def testAppendingWrongObjectType(self):
"test appending an object of the wrong type to a collection"
collectionObjType = self.connection.gettype("UDT_OBJECTARRAY")
collectionObj = collectionObjType.newobject()
arrayObjType = self.connection.gettype("UDT_ARRAY")
arrayObj = arrayObjType.newobject()
self.assertRaises(cx_Oracle.DatabaseError, collectionObj.append,
arrayObj)
def testReferencingSubObj(self):
"test that referencing a sub object affects the parent object"
objType = self.connection.gettype("UDT_OBJECT")
subObjType = self.connection.gettype("UDT_SUBOBJECT")
obj = objType.newobject()
obj.SUBOBJECTVALUE = subObjType.newobject()
obj.SUBOBJECTVALUE.SUBNUMBERVALUE = 5
obj.SUBOBJECTVALUE.SUBSTRINGVALUE = "Substring"
self.assertEqual(obj.SUBOBJECTVALUE.SUBNUMBERVALUE, 5)
self.assertEqual(obj.SUBOBJECTVALUE.SUBSTRINGVALUE, "Substring")
def testAccessSubObjectParentObjectDestroyed(self):
"test that accessing sub object after parent object destroyed works"
objType = self.connection.gettype("UDT_OBJECT")
subObjType = self.connection.gettype("UDT_SUBOBJECT")
arrayType = self.connection.gettype("UDT_OBJECTARRAY")
subObj1 = subObjType.newobject()
subObj1.SUBNUMBERVALUE = 2
subObj1.SUBSTRINGVALUE = "AB"
subObj2 = subObjType.newobject()
subObj2.SUBNUMBERVALUE = 3
subObj2.SUBSTRINGVALUE = "CDE"
obj = objType.newobject()
obj.SUBOBJECTARRAY = arrayType.newobject([subObj1, subObj2])
subObjArray = obj.SUBOBJECTARRAY
del obj
self.assertEqual(self.__GetObjectAsTuple(subObjArray),
[(2, "AB"), (3, "CDE")])
def testSettingAttrWrongObjectType(self):
"test assigning an object of the wrong type to an object attribute"
objType = self.connection.gettype("UDT_OBJECT")
obj = objType.newobject()
wrongObjType = self.connection.gettype("UDT_OBJECTARRAY")
wrongObj = wrongObjType.newobject()
self.assertRaises(cx_Oracle.DatabaseError, setattr, obj,
"SUBOBJECTVALUE", wrongObj)
def testSettingVarWrongObjectType(self):
"test setting value of object variable to wrong object type"
wrongObjType = self.connection.gettype("UDT_OBJECTARRAY")
wrongObj = wrongObjType.newobject()
var = self.cursor.var(cx_Oracle.OBJECT, typename = "UDT_OBJECT")
self.assertRaises(cx_Oracle.DatabaseError, var.setvalue, 0, wrongObj)
def testStringFormat(self):
"test object string format"
objType = self.connection.gettype("UDT_OBJECT")
self.assertEqual(str(objType),
"<cx_Oracle.ObjectType CX_ORACLE.UDT_OBJECT>")
self.assertEqual(str(objType.attributes[0]),
"<cx_Oracle.ObjectAttribute NUMBERVALUE>")
def testTrimCollectionList(self):
"test Trim number of elements from collection"
subObjType = self.connection.gettype("UDT_SUBOBJECT")
arrayType = self.connection.gettype("UDT_OBJECTARRAY")
data = [(1, "AB"), (2, "CDE"), (3, "FGH"), (4, "IJK")]
arrayObj = arrayType()
for numVal, strVal in data:
subObj = subObjType()
subObj.SUBNUMBERVALUE = numVal
subObj.SUBSTRINGVALUE = strVal
arrayObj.append(subObj)
self.assertEqual(self.__GetObjectAsTuple(arrayObj), data)
arrayObj.trim(2)
self.assertEqual(self.__GetObjectAsTuple(arrayObj), data[:2])
arrayObj.trim(1)
self.assertEqual(self.__GetObjectAsTuple(arrayObj), data[:1])
arrayObj.trim(0)
self.assertEqual(self.__GetObjectAsTuple(arrayObj), data[:1])
arrayObj.trim(1)
self.assertEqual(self.__GetObjectAsTuple(arrayObj), [])
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