#------------------------------------------------------------------------------ # 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. #------------------------------------------------------------------------------ """ 2200 - Module for testing number variables """ import test_env import cx_Oracle as oracledb import decimal import sys class TestCase(test_env.BaseTestCase): def output_type_handler_binary_int(self, cursor, name, default_type, size, precision, scale): return cursor.var(oracledb.DB_TYPE_BINARY_INTEGER, arraysize=cursor.arraysize) def output_type_handler_decimal(self, cursor, name, default_type, size, precision, scale): if default_type == oracledb.NUMBER: return cursor.var(str, 255, outconverter=decimal.Decimal, arraysize=cursor.arraysize) def setUp(self): super().setUp() self.raw_data = [] self.data_by_key = {} for i in range(1, 11): number_col = i + i * 0.25 float_col = i + i * 0.75 unconstrained_col = i ** 3 + i * 0.5 if i % 2: nullable_col = 143 ** i else: nullable_col = None data_tuple = (i, 38 ** i, number_col, float_col, unconstrained_col, nullable_col) self.raw_data.append(data_tuple) self.data_by_key[i] = data_tuple def test_2200_bind_boolean(self): "2200 - test binding in a boolean" result = self.cursor.callfunc("pkg_TestBooleans.GetStringRep", str, (True,)) self.assertEqual(result, "TRUE") def test_2201_bind_boolean_as_number(self): "2201 - test binding in a boolean as a number" var = self.cursor.var(oracledb.NUMBER) var.setvalue(0, True) self.cursor.execute("select :1 from dual", [var]) result, = self.cursor.fetchone() self.assertEqual(result, 1) var.setvalue(0, False) self.cursor.execute("select :1 from dual", [var]) result, = self.cursor.fetchone() self.assertEqual(result, 0) def test_2202_bind_decimal(self): "2202 - test binding in a decimal.Decimal" self.cursor.execute(""" select * from TestNumbers where NumberCol - :value1 - :value2 = trunc(NumberCol)""", value1=decimal.Decimal("0.20"), value2=decimal.Decimal("0.05")) expected_data = [self.data_by_key[1], self.data_by_key[5], self.data_by_key[9]] self.assertEqual(self.cursor.fetchall(), expected_data) def test_2203_bind_float(self): "2203 - test binding in a float" self.cursor.execute(""" select * from TestNumbers where NumberCol - :value = trunc(NumberCol)""", value=0.25) expected_data = [self.data_by_key[1], self.data_by_key[5], self.data_by_key[9]] self.assertEqual(self.cursor.fetchall(), expected_data) def test_2204_bind_integer(self): "2204 - test binding in an integer" self.cursor.execute(""" select * from TestNumbers where IntCol = :value""", value = 2) self.assertEqual(self.cursor.fetchall(), [self.data_by_key[2]]) def test_2205_bind_large_long_as_oracle_number(self): "2205 - test binding in a large long integer as Oracle number" in_val = 6088343244 value_var = self.cursor.var(oracledb.NUMBER) value_var.setvalue(0, in_val) self.cursor.execute(""" begin :value := :value + 5; end;""", value=value_var) value = value_var.getvalue() self.assertEqual(value, in_val + 5) def test_2206_bind_large_long_as_integer(self): "2206 - test binding in a large long integer as Python integer" long_value = -9999999999999999999 self.cursor.execute("select :value from dual", value=long_value) result, = self.cursor.fetchone() self.assertEqual(result, long_value) def test_2207_bind_integer_after_string(self): "2207 - test binding in an integer after setting input sizes to string" self.cursor.setinputsizes(value=15) self.cursor.execute(""" select * from TestNumbers where IntCol = :value""", value=3) self.assertEqual(self.cursor.fetchall(), [self.data_by_key[3]]) def test_2208_bind_decimal_after_number(self): "2208 - test binding in a decimal after setting input sizes to number" cursor = self.connection.cursor() value = decimal.Decimal("319438950232418390.273596") cursor.setinputsizes(value=oracledb.NUMBER) cursor.outputtypehandler = self.output_type_handler_decimal cursor.execute("select :value from dual", value=value) out_value, = cursor.fetchone() self.assertEqual(out_value, value) def test_2209_bind_null(self): "2209 - test binding in a null" self.cursor.execute(""" select * from TestNumbers where IntCol = :value""", value=None) self.assertEqual(self.cursor.fetchall(), []) def test_2210_bind_number_array_direct(self): "2210 - test binding in a number array" return_value = self.cursor.var(oracledb.NUMBER) array = [r[2] for r in self.raw_data] statement = """ begin :return_value := pkg_TestNumberArrays.TestInArrays( :start_value, :array); end;""" self.cursor.execute(statement, return_value=return_value, start_value=5, array=array) self.assertEqual(return_value.getvalue(), 73.75) array = list(range(15)) self.cursor.execute(statement, start_value=10, array=array) self.assertEqual(return_value.getvalue(), 115.0) def test_2211_bind_number_array_by_sizes(self): "2211 - test binding in a number array (with setinputsizes)" return_value = self.cursor.var(oracledb.NUMBER) self.cursor.setinputsizes(array = [oracledb.NUMBER, 10]) array = [r[2] for r in self.raw_data] self.cursor.execute(""" begin :return_value := pkg_TestNumberArrays.TestInArrays( :start_value, :array); end;""", return_value=return_value, start_value=6, array=array) self.assertEqual(return_value.getvalue(), 74.75) def test_2212_bind_number_array_by_var(self): "2212 - test binding in a number array (with arrayvar)" return_value = self.cursor.var(oracledb.NUMBER) array = self.cursor.arrayvar(oracledb.NUMBER, [r[2] for r in self.raw_data]) self.cursor.execute(""" begin :return_value := pkg_TestNumberArrays.TestInArrays( :integer_value, :array); end;""", return_value = return_value, integer_value = 7, array = array) self.assertEqual(return_value.getvalue(), 75.75) def test_2213_bind_zero_length_number_array_by_var(self): "2213 - test binding in a zero length number array (with arrayvar)" return_value = self.cursor.var(oracledb.NUMBER) array = self.cursor.arrayvar(oracledb.NUMBER, 0) self.cursor.execute(""" begin :return_value := pkg_TestNumberArrays.TestInArrays( :integer_value, :array); end;""", return_value=return_value, integer_value=8, array=array) self.assertEqual(return_value.getvalue(), 8.0) self.assertEqual(array.getvalue(), []) def test_2214_bind_in_out_number_array_by_var(self): "2214 - test binding in/out a number array (with arrayvar)" array = self.cursor.arrayvar(oracledb.NUMBER, 10) original_data = [r[2] for r in self.raw_data] expected_data = [original_data[i - 1] * 10 for i in range(1, 6)] + \ original_data[5:] array.setvalue(0, original_data) self.cursor.execute(""" begin pkg_TestNumberArrays.TestInOutArrays(:num_elems, :array); end;""", num_elems=5, array=array) self.assertEqual(array.getvalue(), expected_data) def test_2215_bind_out_number_array_by_var(self): "2215 - test binding out a Number array (with arrayvar)" array = self.cursor.arrayvar(oracledb.NUMBER, 6) expected_data = [i * 100 for i in range(1, 7)] self.cursor.execute(""" begin pkg_TestNumberArrays.TestOutArrays(:num_elems, :array); end;""", num_elems=6, array=array) self.assertEqual(array.getvalue(), expected_data) def test_2216_bind_out_set_input_sizes(self): "2216 - test binding out with set input sizes defined" bind_vars = self.cursor.setinputsizes(value = oracledb.NUMBER) self.cursor.execute(""" begin :value := 5; end;""") self.assertEqual(bind_vars["value"].getvalue(), 5) def test_2217_bind_in_out_set_input_sizes(self): "2217 - test binding in/out with set input sizes defined" bind_vars = self.cursor.setinputsizes(value = oracledb.NUMBER) self.cursor.execute(""" begin :value := :value + 5; end;""", value = 1.25) self.assertEqual(bind_vars["value"].getvalue(), 6.25) def test_2218_bind_out_var(self): "2218 - test binding out with cursor.var() method" var = self.cursor.var(oracledb.NUMBER) self.cursor.execute(""" begin :value := 5; end;""", value = var) self.assertEqual(var.getvalue(), 5) def test_2219_bind_in_out_var_direct_set(self): "2219 - test binding in/out with cursor.var() method" var = self.cursor.var(oracledb.NUMBER) var.setvalue(0, 2.25) self.cursor.execute(""" begin :value := :value + 5; end;""", value = var) self.assertEqual(var.getvalue(), 7.25) def test_2220_cursor_description(self): "2220 - test cursor description is accurate" self.cursor.execute("select * from TestNumbers") expected_value = [ ('INTCOL', oracledb.DB_TYPE_NUMBER, 10, None, 9, 0, 0), ('LONGINTCOL', oracledb.DB_TYPE_NUMBER, 17, None, 16, 0, 0), ('NUMBERCOL', oracledb.DB_TYPE_NUMBER, 13, None, 9, 2, 0), ('FLOATCOL', oracledb.DB_TYPE_NUMBER, 127, None, 126, -127, 0), ('UNCONSTRAINEDCOL', oracledb.DB_TYPE_NUMBER, 127, None, 0, -127, 0), ('NULLABLECOL', oracledb.DB_TYPE_NUMBER, 39, None, 38, 0, 1) ] self.assertEqual(self.cursor.description, expected_value) def test_2221_fetchall(self): "2221 - test that fetching all of the data returns the correct results" self.cursor.execute("select * From TestNumbers order by IntCol") self.assertEqual(self.cursor.fetchall(), self.raw_data) self.assertEqual(self.cursor.fetchall(), []) def test_2222_fetchmany(self): "2222 - test that fetching data in chunks returns the correct results" self.cursor.execute("select * From TestNumbers 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_2223_fetchone(self): "2223 - test that fetching a single row returns the correct results" self.cursor.execute(""" select * from TestNumbers 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) def test_2224_return_as_long(self): "2224 - test that fetching a long integer returns such in Python" self.cursor.execute(""" select NullableCol from TestNumbers where IntCol = 9""") col, = self.cursor.fetchone() self.assertEqual(col, 25004854810776297743) def test_2225_return_constant_float(self): "2225 - test fetching a floating point number returns such in Python" self.cursor.execute("select 1.25 from dual") result, = self.cursor.fetchone() self.assertEqual(result, 1.25) def test_2226_return_constant_integer(self): "2226 - test that fetching an integer returns such in Python" self.cursor.execute("select 148 from dual") result, = self.cursor.fetchone() self.assertEqual(result, 148) self.assertTrue(isinstance(result, int), "integer not returned") def test_2227_acceptable_boundary_numbers(self): "2227 - test that acceptable boundary numbers are handled properly" in_values = [decimal.Decimal("9.99999999999999e+125"), decimal.Decimal("-9.99999999999999e+125"), 0.0, 1e-130, -1e-130] out_values = [int("9" * 15 + "0" * 111), -int("9" * 15 + "0" * 111), 0, 1e-130, -1e-130] for in_value, out_value in zip(in_values, out_values): self.cursor.execute("select :1 from dual", (in_value,)) result, = self.cursor.fetchone() self.assertEqual(result, out_value) def test_2228_unacceptable_boundary_numbers(self): "2228 - test that unacceptable boundary numbers are rejected" in_values = [1e126, -1e126, float("inf"), float("-inf"), float("NaN"), decimal.Decimal("1e126"), decimal.Decimal("-1e126"), decimal.Decimal("inf"), decimal.Decimal("-inf"), decimal.Decimal("NaN")] no_rep_err = "value cannot be represented as an Oracle number" invalid_err = "invalid number" expected_errors = [no_rep_err, no_rep_err, invalid_err, invalid_err, invalid_err, no_rep_err, no_rep_err, invalid_err, invalid_err, invalid_err] for in_value, error in zip(in_values, expected_errors): self.assertRaisesRegex(oracledb.DatabaseError, error, self.cursor.execute, "select :1 from dual", (in_value,)) def test_2229_return_float_from_division(self): "2229 - test that fetching the result of division returns a float" self.cursor.execute(""" select IntCol / 7 from TestNumbers where IntCol = 1""") result, = self.cursor.fetchone() self.assertEqual(result, 1.0 / 7.0) self.assertTrue(isinstance(result, float), "float not returned") def test_2230_string_format(self): "2230 - test that string format is returned properly" var = self.cursor.var(oracledb.NUMBER) self.assertEqual(str(var), "") var.setvalue(0, 4) self.assertEqual(str(var), "") def test_2231_bind_binary_double(self): "2231 - test that binding binary double is possible" statement = "select :1 from dual" self.cursor.setinputsizes(oracledb.DB_TYPE_BINARY_DOUBLE) self.cursor.execute(statement, (5,)) self.assertEqual(self.cursor.bindvars[0].type, oracledb.DB_TYPE_BINARY_DOUBLE) value, = self.cursor.fetchone() self.assertEqual(value, 5) self.cursor.execute(statement, (1.5,)) self.assertEqual(self.cursor.bindvars[0].type, oracledb.DB_TYPE_BINARY_DOUBLE) value, = self.cursor.fetchone() self.assertEqual(value, 1.5) self.cursor.execute(statement, (decimal.Decimal("NaN"),)) self.assertEqual(self.cursor.bindvars[0].type, oracledb.DB_TYPE_BINARY_DOUBLE) value, = self.cursor.fetchone() self.assertEqual(str(value), str(float("NaN"))) def test_2232_fetch_binary_int(self): "2232 - test fetching numbers as binary integers" self.cursor.outputtypehandler = self.output_type_handler_binary_int for value in (1, 2 ** 31, 2 ** 63 - 1, -1, -2 ** 31, -2 ** 63 + 1): self.cursor.execute("select :1 from dual", [str(value)]) fetched_value, = self.cursor.fetchone() self.assertEqual(value, fetched_value) def test_2233_out_bind_binary_int(self): "2233 - test binding native integer as an out bind" statement = "begin :value := 2.9; end;" simple_var = self.cursor.var(oracledb.DB_TYPE_BINARY_INTEGER) self.cursor.execute(statement, [simple_var]) self.assertEqual(simple_var.getvalue(), 2) statement = "begin :value := 1.5; end;" simple_var = self.cursor.var(oracledb.DB_TYPE_BINARY_INTEGER) self.cursor.execute(statement, [simple_var]) self.assertEqual(simple_var.getvalue(), 1) def test_2234_in_bind_binary_int(self): "2234 - test binding in a native integer" statement = "begin :value := :value + 2.5; end;" simple_var = self.cursor.var(oracledb.DB_TYPE_BINARY_INTEGER) simple_var.setvalue(0, 0) self.cursor.execute(statement, [simple_var]) self.assertEqual(simple_var.getvalue(), 2) simple_var.setvalue(0, -5) self.cursor.execute(statement, [simple_var]) self.assertEqual(simple_var.getvalue(), -2) def test_2235_setting_decimal_value_binary_int(self): "2235 - test setting decimal value for binary int" statement = "begin :value := :value + 2.5; end;" simple_var = self.cursor.var(oracledb.DB_TYPE_BINARY_INTEGER) simple_var.setvalue(0, 2.5) self.cursor.execute(statement, [simple_var]) self.assertEqual(simple_var.getvalue(), 4) def test_2236_out_bind_binary_int_with_large_value(self): "2236 - bind a large value to binary int" statement = "begin :value := POWER(2, 31) - 1; end;" simple_var = self.cursor.var(oracledb.DB_TYPE_BINARY_INTEGER) self.cursor.execute(statement, [simple_var]) self.assertEqual(simple_var.getvalue(), 2**31 - 1) statement = "begin :value := POWER(-2, 31) - 1; end;" self.cursor.execute(statement, [simple_var]) self.assertEqual(simple_var.getvalue(), -2**31 - 1) if __name__ == "__main__": test_env.run_test_cases()