#------------------------------------------------------------------------------ # Copyright (c) 2016, 2020, 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. #------------------------------------------------------------------------------ """ 2100 - Module for testing NCHAR variables """ import cx_Oracle as oracledb import test_env class TestCase(test_env.BaseTestCase): def setUp(self): super().setUp() self.raw_data = [] self.data_by_key = {} for i in range(1, 11): unicode_col = "Unicode \u3042 %d" % i fixed_char_col = ("Fixed Unicode %d" % i).ljust(40) if i % 2: nullable_col = "Nullable %d" % i else: nullable_col = None data_tuple = (i, unicode_col, fixed_char_col, nullable_col) self.raw_data.append(data_tuple) self.data_by_key[i] = data_tuple def test_2100_unicode_length(self): "2100 - test value length" return_value = self.cursor.var(int) self.cursor.execute(""" begin :retval := LENGTH(:value); end;""", value="InVal \u3042", retval=return_value) self.assertEqual(return_value.getvalue(), 7) def test_2101_bind_unicode(self): "2101 - test binding in a unicode" self.cursor.setinputsizes(value=oracledb.DB_TYPE_NVARCHAR) self.cursor.execute(""" select * from TestUnicodes where UnicodeCol = :value""", value="Unicode \u3042 5") self.assertEqual(self.cursor.fetchall(), [self.data_by_key[5]]) def test_2102_bind_different_var(self): "2102 - test binding a different variable on second execution" retval_1 = self.cursor.var(oracledb.DB_TYPE_NVARCHAR, 30) retval_2 = self.cursor.var(oracledb.DB_TYPE_NVARCHAR, 30) self.cursor.execute(r"begin :retval := unistr('Called \3042'); end;", retval=retval_1) self.assertEqual(retval_1.getvalue(), "Called \u3042") self.cursor.execute("begin :retval := 'Called'; end;", retval=retval_2) self.assertEqual(retval_2.getvalue(), "Called") def test_2103_bind_unicode_after_number(self): "2103 - test binding in a string after setting input sizes to a number" unicode_val = self.cursor.var(oracledb.DB_TYPE_NVARCHAR) unicode_val.setvalue(0, "Unicode \u3042 6") self.cursor.setinputsizes(value=oracledb.NUMBER) self.cursor.execute(""" select * from TestUnicodes where UnicodeCol = :value""", value=unicode_val) self.assertEqual(self.cursor.fetchall(), [self.data_by_key[6]]) def test_2104_bind_unicode_array_direct(self): "2104 - test binding in a unicode array" return_value = self.cursor.var(oracledb.NUMBER) array = [r[1] for r in self.raw_data] array_var = self.cursor.arrayvar(oracledb.DB_TYPE_NVARCHAR, array) statement = """ begin :retval := pkg_TestUnicodeArrays.TestInArrays( :integer_value, :array); end;""" self.cursor.execute(statement, retval=return_value, integer_value=5, array=array_var) self.assertEqual(return_value.getvalue(), 116) array = ["Unicode - \u3042 %d" % i for i in range(15)] array_var = self.cursor.arrayvar(oracledb.DB_TYPE_NVARCHAR, array) self.cursor.execute(statement, integer_value=8, array=array_var) self.assertEqual(return_value.getvalue(), 208) def test_2105_bind_unicode_array_by_sizes(self): "2105 - test binding in a unicode array (with setinputsizes)" return_value = self.cursor.var(oracledb.NUMBER) self.cursor.setinputsizes(array = [oracledb.DB_TYPE_NVARCHAR, 10]) array = [r[1] for r in self.raw_data] self.cursor.execute(""" begin :retval := pkg_TestUnicodeArrays.TestInArrays(:integer_value, :array); end;""", retval=return_value, integer_value=6, array=array) self.assertEqual(return_value.getvalue(), 117) def test_2106_bind_unicode_array_by_var(self): "2106 - test binding in a unicode array (with arrayvar)" return_value = self.cursor.var(oracledb.NUMBER) array = self.cursor.arrayvar(oracledb.DB_TYPE_NVARCHAR, 10, 20) array.setvalue(0, [r[1] for r in self.raw_data]) self.cursor.execute(""" begin :retval := pkg_TestUnicodeArrays.TestInArrays(:integer_value, :array); end;""", retval=return_value, integer_value=7, array=array) self.assertEqual(return_value.getvalue(), 118) def test_2107_bind_in_out_unicode_array_by_var(self): "2107 - test binding in/out a unicode array (with arrayvar)" array = self.cursor.arrayvar(oracledb.DB_TYPE_NVARCHAR, 10, 100) original_data = [r[1] for r in self.raw_data] fmt = "Converted element \u3042 # %d originally had length %d" expected_data = [fmt % (i, len(original_data[i - 1])) \ for i in range(1, 6)] + original_data[5:] array.setvalue(0, original_data) self.cursor.execute(""" begin pkg_TestUnicodeArrays.TestInOutArrays(:numElems, :array); end;""", numElems = 5, array = array) self.assertEqual(array.getvalue(), expected_data) def test_2108_bind_out_unicode_array_by_var(self): "2108 - test binding out a unicode array (with arrayvar)" array = self.cursor.arrayvar(oracledb.DB_TYPE_NVARCHAR, 6, 100) fmt = "Test out element \u3042 # %d" expected_data = [fmt % 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(), expected_data) def test_2109_bind_null(self): "2109 - test binding in a null" self.cursor.execute(""" select * from TestUnicodes where UnicodeCol = :value""", value = None) self.assertEqual(self.cursor.fetchall(), []) def test_2110_bind_out_set_input_sizes_by_type(self): "2110 - test binding out with set input sizes defined (by type)" bind_vars = self.cursor.setinputsizes(value=oracledb.DB_TYPE_NVARCHAR) self.cursor.execute(r""" begin :value := unistr('TSI \3042'); end;""") self.assertEqual(bind_vars["value"].getvalue(), "TSI \u3042") def test_2111_bind_in_out_set_input_sizes_by_type(self): "2111 - test binding in/out with set input sizes defined (by type)" bind_vars = self.cursor.setinputsizes(value=oracledb.DB_TYPE_NVARCHAR) self.cursor.execute(r""" begin :value := :value || unistr(' TSI \3042'); end;""", value = "InVal \u3041") self.assertEqual(bind_vars["value"].getvalue(), "InVal \u3041 TSI \u3042") def test_2112_bind_out_var(self): "2112 - test binding out with cursor.var() method" var = self.cursor.var(oracledb.DB_TYPE_NVARCHAR) self.cursor.execute(r""" begin :value := unistr('TSI (VAR) \3042'); end;""", value=var) self.assertEqual(var.getvalue(), "TSI (VAR) \u3042") def test_2113_bind_in_out_var_direct_set(self): "2113 - test binding in/out with cursor.var() method" var = self.cursor.var(oracledb.DB_TYPE_NVARCHAR) var.setvalue(0, "InVal \u3041") self.cursor.execute(r""" begin :value := :value || unistr(' TSI (VAR) \3042'); end;""", value = var) self.assertEqual(var.getvalue(), "InVal \u3041 TSI (VAR) \u3042") def test_2114_cursor_description(self): "2114 - test cursor description is accurate" self.cursor.execute("select * from TestUnicodes") varchar_ratio, nvarchar_ratio = test_env.get_charset_ratios() expected_value = [ ('INTCOL', oracledb.DB_TYPE_NUMBER, 10, None, 9, 0, False), ('UNICODECOL', oracledb.DB_TYPE_NVARCHAR, 20, 20 * nvarchar_ratio, None, None, False), ('FIXEDUNICODECOL', oracledb.DB_TYPE_NCHAR, 40, 40 * nvarchar_ratio, None, None, False), ('NULLABLECOL', oracledb.DB_TYPE_NVARCHAR, 50, 50 * nvarchar_ratio, None, None, True) ] self.assertEqual(self.cursor.description, expected_value) def test_2115_fetchall(self): "2115 - 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.raw_data) self.assertEqual(self.cursor.fetchall(), []) def test_2116_fetchmany(self): "2116 - 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.raw_data[0:3]) self.assertEqual(self.cursor.fetchmany(2), self.raw_data[3:5]) self.assertEqual(self.cursor.fetchmany(4), self.raw_data[5:9]) self.assertEqual(self.cursor.fetchmany(3), self.raw_data[9:]) self.assertEqual(self.cursor.fetchmany(3), []) def test_2117_fetchone(self): "2117 - 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.data_by_key[3]) self.assertEqual(self.cursor.fetchone(), self.data_by_key[4]) self.assertEqual(self.cursor.fetchone(), None) if __name__ == "__main__": test_env.run_test_cases()