#------------------------------------------------------------------------------ # Copyright (c) 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 NCHAR variables.""" class TestNCharVar(BaseTestCase): def setUp(self): BaseTestCase.setUp(self) self.rawData = [] self.dataByKey = {} for i in range(1, 11): unicodeCol = u"Unicode \u3042 %d" % i fixedCharCol = (u"Fixed Unicode %d" % i).ljust(40) if i % 2: nullableCol = u"Nullable %d" % i else: nullableCol = None dataTuple = (i, unicodeCol, fixedCharCol, nullableCol) self.rawData.append(dataTuple) self.dataByKey[i] = dataTuple def testUnicodeLength(self): "test value length" returnValue = self.cursor.var(int) self.cursor.execute(""" begin :retval := LENGTH(:value); end;""", value = u"InVal \u3042", retval = returnValue) self.assertEqual(returnValue.getvalue(), 7) def testBindUnicode(self): "test binding in a unicode" self.cursor.setinputsizes(value = cx_Oracle.NCHAR) self.cursor.execute(""" select * from TestUnicodes where UnicodeCol = :value""", value = u"Unicode \u3042 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.NCHAR, 30) retval_2 = self.cursor.var(cx_Oracle.NCHAR, 30) self.cursor.execute(r"begin :retval := unistr('Called \3042'); end;", retval = retval_1) self.assertEqual(retval_1.getvalue(), u"Called \u3042") self.cursor.execute("begin :retval := 'Called'; end;", retval = retval_2) self.assertEqual(retval_2.getvalue(), "Called") def testBindUnicodeAfterNumber(self): "test binding in a unicode after setting input sizes to a number" unicodeVal = self.cursor.var(cx_Oracle.NCHAR) unicodeVal.setvalue(0, u"Unicode \u3042 6") self.cursor.setinputsizes(value = cx_Oracle.NUMBER) self.cursor.execute(""" select * from TestUnicodes where UnicodeCol = :value""", value = unicodeVal) self.assertEqual(self.cursor.fetchall(), [self.dataByKey[6]]) def testBindUnicodeArrayDirect(self): "test binding in a unicode array" returnValue = self.cursor.var(cx_Oracle.NUMBER) array = [r[1] for r in self.rawData] arrayVar = self.cursor.arrayvar(cx_Oracle.NCHAR, array) statement = """ begin :retval := pkg_TestUnicodeArrays.TestInArrays( :integerValue, :array); end;""" self.cursor.execute(statement, retval = returnValue, integerValue = 5, array = arrayVar) self.assertEqual(returnValue.getvalue(), 116) array = [ u"Unicode - \u3042 %d" % i for i in range(15) ] arrayVar = self.cursor.arrayvar(cx_Oracle.NCHAR, array) self.cursor.execute(statement, integerValue = 8, array = arrayVar) self.assertEqual(returnValue.getvalue(), 208) def testBindUnicodeArrayBySizes(self): "test binding in a unicode array (with setinputsizes)" returnValue = self.cursor.var(cx_Oracle.NUMBER) self.cursor.setinputsizes(array = [cx_Oracle.NCHAR, 10]) array = [r[1] for r in self.rawData] self.cursor.execute(""" begin :retval := pkg_TestUnicodeArrays.TestInArrays(:integerValue, :array); end;""", retval = returnValue, integerValue = 6, array = array) self.assertEqual(returnValue.getvalue(), 117) def testBindUnicodeArrayByVar(self): "test binding in a unicode array (with arrayvar)" returnValue = self.cursor.var(cx_Oracle.NUMBER) array = self.cursor.arrayvar(cx_Oracle.NCHAR, 10, 20) array.setvalue(0, [r[1] for r in self.rawData]) self.cursor.execute(""" begin :retval := pkg_TestUnicodeArrays.TestInArrays(:integerValue, :array); end;""", retval = returnValue, integerValue = 7, array = array) self.assertEqual(returnValue.getvalue(), 118) def testBindInOutUnicodeArrayByVar(self): "test binding in/out a unicode array (with arrayvar)" array = self.cursor.arrayvar(cx_Oracle.NCHAR, 10, 100) originalData = [r[1] for r in self.rawData] format = u"Converted element \u3042 # %d originally had length %d" expectedData = [format % (i, len(originalData[i - 1])) \ for i in range(1, 6)] + originalData[5:] array.setvalue(0, originalData) self.cursor.execute(""" begin pkg_TestUnicodeArrays.TestInOutArrays(:numElems, :array); end;""", numElems = 5, array = array) self.assertEqual(array.getvalue(), expectedData) def testBindOutUnicodeArrayByVar(self): "test binding out a unicode array (with arrayvar)" array = self.cursor.arrayvar(cx_Oracle.NCHAR, 6, 100) format = u"Test out element \u3042 # %d" expectedData = [format % i for i in range(1, 7)] self.cursor.execute(""" begin pkg_TestUnicodeArrays.TestOutArrays(:numElems, :array); end;""", numElems = 6, array = array) self.assertEqual(array.getvalue(), expectedData) def testBindNull(self): "test binding in a null" self.cursor.execute(""" select * from TestUnicodes where UnicodeCol = :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.NCHAR) self.cursor.execute(r""" begin :value := unistr('TSI \3042'); end;""") self.assertEqual(vars["value"].getvalue(), u"TSI \u3042") def testBindInOutSetInputSizesByType(self): "test binding in/out with set input sizes defined (by type)" vars = self.cursor.setinputsizes(value = cx_Oracle.NCHAR) self.cursor.execute(r""" begin :value := :value || unistr(' TSI \3042'); end;""", value = u"InVal \u3041") self.assertEqual(vars["value"].getvalue(), u"InVal \u3041 TSI \u3042") def testBindOutVar(self): "test binding out with cursor.var() method" var = self.cursor.var(cx_Oracle.NCHAR) self.cursor.execute(r""" begin :value := unistr('TSI (VAR) \3042'); end;""", value = var) self.assertEqual(var.getvalue(), u"TSI (VAR) \u3042") def testBindInOutVarDirectSet(self): "test binding in/out with cursor.var() method" var = self.cursor.var(cx_Oracle.NCHAR) var.setvalue(0, u"InVal \u3041") self.cursor.execute(r""" begin :value := :value || unistr(' TSI (VAR) \3042'); end;""", value = var) self.assertEqual(var.getvalue(), u"InVal \u3041 TSI (VAR) \u3042") def testCursorDescription(self): "test cursor description is accurate" self.cursor.execute("select * from TestUnicodes") self.assertEqual(self.cursor.description, [ ('INTCOL', cx_Oracle.NUMBER, 10, None, 9, 0, 0), ('UNICODECOL', cx_Oracle.NCHAR, 20, 80, None, None, 0), ('FIXEDUNICODECOL', cx_Oracle.FIXED_NCHAR, 40, 160, None, None, 0), ('NULLABLECOL', cx_Oracle.NCHAR, 50, 200, None, None, 1) ]) def testFetchAll(self): "test that fetching all of the data returns the correct results" self.cursor.execute("select * From TestUnicodes 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 TestUnicodes 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 TestUnicodes 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)