454 lines
19 KiB
Python
454 lines
19 KiB
Python
#------------------------------------------------------------------------------
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# Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved.
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#
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# Portions Copyright 2007-2015, Anthony Tuininga. All rights reserved.
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#
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# Portions Copyright 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta,
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# Canada. All rights reserved.
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#------------------------------------------------------------------------------
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"""
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2200 - Module for testing number variables
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"""
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import test_env
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import cx_Oracle as oracledb
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import decimal
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import sys
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class TestCase(test_env.BaseTestCase):
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def output_type_handler_binary_int(self, cursor, name, default_type, size,
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precision, scale):
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return cursor.var(oracledb.DB_TYPE_BINARY_INTEGER,
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arraysize=cursor.arraysize)
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def output_type_handler_decimal(self, cursor, name, default_type, size,
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precision, scale):
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if default_type == oracledb.NUMBER:
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return cursor.var(str, 255, outconverter=decimal.Decimal,
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arraysize=cursor.arraysize)
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def setUp(self):
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super().setUp()
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self.raw_data = []
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self.data_by_key = {}
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for i in range(1, 11):
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number_col = i + i * 0.25
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float_col = i + i * 0.75
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unconstrained_col = i ** 3 + i * 0.5
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if i % 2:
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nullable_col = 143 ** i
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else:
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nullable_col = None
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data_tuple = (i, 38 ** i, number_col, float_col,
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unconstrained_col, nullable_col)
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self.raw_data.append(data_tuple)
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self.data_by_key[i] = data_tuple
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def test_2200_bind_boolean(self):
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"2200 - test binding in a boolean"
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result = self.cursor.callfunc("pkg_TestBooleans.GetStringRep", str,
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(True,))
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self.assertEqual(result, "TRUE")
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def test_2201_bind_boolean_as_number(self):
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"2201 - test binding in a boolean as a number"
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var = self.cursor.var(oracledb.NUMBER)
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var.setvalue(0, True)
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self.cursor.execute("select :1 from dual", [var])
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result, = self.cursor.fetchone()
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self.assertEqual(result, 1)
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var.setvalue(0, False)
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self.cursor.execute("select :1 from dual", [var])
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result, = self.cursor.fetchone()
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self.assertEqual(result, 0)
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def test_2202_bind_decimal(self):
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"2202 - test binding in a decimal.Decimal"
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self.cursor.execute("""
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select * from TestNumbers
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where NumberCol - :value1 - :value2 = trunc(NumberCol)""",
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value1=decimal.Decimal("0.20"),
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value2=decimal.Decimal("0.05"))
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expected_data = [self.data_by_key[1], self.data_by_key[5],
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self.data_by_key[9]]
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self.assertEqual(self.cursor.fetchall(), expected_data)
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def test_2203_bind_float(self):
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"2203 - test binding in a float"
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self.cursor.execute("""
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select * from TestNumbers
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where NumberCol - :value = trunc(NumberCol)""",
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value=0.25)
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expected_data = [self.data_by_key[1], self.data_by_key[5],
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self.data_by_key[9]]
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self.assertEqual(self.cursor.fetchall(), expected_data)
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def test_2204_bind_integer(self):
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"2204 - test binding in an integer"
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self.cursor.execute("""
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select * from TestNumbers
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where IntCol = :value""",
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value = 2)
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self.assertEqual(self.cursor.fetchall(), [self.data_by_key[2]])
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def test_2205_bind_large_long_as_oracle_number(self):
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"2205 - test binding in a large long integer as Oracle number"
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in_val = 6088343244
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value_var = self.cursor.var(oracledb.NUMBER)
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value_var.setvalue(0, in_val)
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self.cursor.execute("""
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begin
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:value := :value + 5;
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end;""",
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value=value_var)
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value = value_var.getvalue()
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self.assertEqual(value, in_val + 5)
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def test_2206_bind_large_long_as_integer(self):
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"2206 - test binding in a large long integer as Python integer"
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long_value = -9999999999999999999
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self.cursor.execute("select :value from dual", value=long_value)
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result, = self.cursor.fetchone()
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self.assertEqual(result, long_value)
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def test_2207_bind_integer_after_string(self):
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"2207 - test binding in an integer after setting input sizes to string"
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self.cursor.setinputsizes(value=15)
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self.cursor.execute("""
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select * from TestNumbers
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where IntCol = :value""",
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value=3)
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self.assertEqual(self.cursor.fetchall(), [self.data_by_key[3]])
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def test_2208_bind_decimal_after_number(self):
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"2208 - test binding in a decimal after setting input sizes to number"
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cursor = self.connection.cursor()
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value = decimal.Decimal("319438950232418390.273596")
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cursor.setinputsizes(value=oracledb.NUMBER)
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cursor.outputtypehandler = self.output_type_handler_decimal
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cursor.execute("select :value from dual", value=value)
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out_value, = cursor.fetchone()
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self.assertEqual(out_value, value)
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def test_2209_bind_null(self):
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"2209 - test binding in a null"
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self.cursor.execute("""
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select * from TestNumbers
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where IntCol = :value""",
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value=None)
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self.assertEqual(self.cursor.fetchall(), [])
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def test_2210_bind_number_array_direct(self):
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"2210 - test binding in a number array"
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return_value = self.cursor.var(oracledb.NUMBER)
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array = [r[2] for r in self.raw_data]
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statement = """
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begin
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:return_value := pkg_TestNumberArrays.TestInArrays(
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:start_value, :array);
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end;"""
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self.cursor.execute(statement, return_value=return_value,
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start_value=5, array=array)
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self.assertEqual(return_value.getvalue(), 73.75)
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array = list(range(15))
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self.cursor.execute(statement, start_value=10, array=array)
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self.assertEqual(return_value.getvalue(), 115.0)
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def test_2211_bind_number_array_by_sizes(self):
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"2211 - test binding in a number array (with setinputsizes)"
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return_value = self.cursor.var(oracledb.NUMBER)
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self.cursor.setinputsizes(array = [oracledb.NUMBER, 10])
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array = [r[2] for r in self.raw_data]
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self.cursor.execute("""
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begin
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:return_value := pkg_TestNumberArrays.TestInArrays(
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:start_value, :array);
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end;""",
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return_value=return_value,
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start_value=6,
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array=array)
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self.assertEqual(return_value.getvalue(), 74.75)
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def test_2212_bind_number_array_by_var(self):
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"2212 - test binding in a number array (with arrayvar)"
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return_value = self.cursor.var(oracledb.NUMBER)
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array = self.cursor.arrayvar(oracledb.NUMBER,
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[r[2] for r in self.raw_data])
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self.cursor.execute("""
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begin
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:return_value := pkg_TestNumberArrays.TestInArrays(
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:integer_value, :array);
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end;""",
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return_value = return_value,
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integer_value = 7,
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array = array)
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self.assertEqual(return_value.getvalue(), 75.75)
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def test_2213_bind_zero_length_number_array_by_var(self):
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"2213 - test binding in a zero length number array (with arrayvar)"
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return_value = self.cursor.var(oracledb.NUMBER)
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array = self.cursor.arrayvar(oracledb.NUMBER, 0)
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self.cursor.execute("""
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begin
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:return_value := pkg_TestNumberArrays.TestInArrays(
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:integer_value, :array);
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end;""",
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return_value=return_value,
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integer_value=8,
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array=array)
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self.assertEqual(return_value.getvalue(), 8.0)
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self.assertEqual(array.getvalue(), [])
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def test_2214_bind_in_out_number_array_by_var(self):
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"2214 - test binding in/out a number array (with arrayvar)"
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array = self.cursor.arrayvar(oracledb.NUMBER, 10)
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original_data = [r[2] for r in self.raw_data]
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expected_data = [original_data[i - 1] * 10 for i in range(1, 6)] + \
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original_data[5:]
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array.setvalue(0, original_data)
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self.cursor.execute("""
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begin
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pkg_TestNumberArrays.TestInOutArrays(:num_elems, :array);
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end;""",
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num_elems=5,
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array=array)
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self.assertEqual(array.getvalue(), expected_data)
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def test_2215_bind_out_number_array_by_var(self):
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"2215 - test binding out a Number array (with arrayvar)"
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array = self.cursor.arrayvar(oracledb.NUMBER, 6)
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expected_data = [i * 100 for i in range(1, 7)]
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self.cursor.execute("""
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begin
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pkg_TestNumberArrays.TestOutArrays(:num_elems, :array);
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end;""",
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num_elems=6,
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array=array)
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self.assertEqual(array.getvalue(), expected_data)
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def test_2216_bind_out_set_input_sizes(self):
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"2216 - test binding out with set input sizes defined"
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bind_vars = self.cursor.setinputsizes(value = oracledb.NUMBER)
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self.cursor.execute("""
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begin
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:value := 5;
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end;""")
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self.assertEqual(bind_vars["value"].getvalue(), 5)
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def test_2217_bind_in_out_set_input_sizes(self):
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"2217 - test binding in/out with set input sizes defined"
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bind_vars = self.cursor.setinputsizes(value = oracledb.NUMBER)
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self.cursor.execute("""
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begin
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:value := :value + 5;
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end;""",
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value = 1.25)
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self.assertEqual(bind_vars["value"].getvalue(), 6.25)
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def test_2218_bind_out_var(self):
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"2218 - test binding out with cursor.var() method"
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var = self.cursor.var(oracledb.NUMBER)
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self.cursor.execute("""
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begin
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:value := 5;
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end;""",
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value = var)
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self.assertEqual(var.getvalue(), 5)
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def test_2219_bind_in_out_var_direct_set(self):
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"2219 - test binding in/out with cursor.var() method"
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var = self.cursor.var(oracledb.NUMBER)
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var.setvalue(0, 2.25)
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self.cursor.execute("""
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begin
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:value := :value + 5;
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end;""",
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value = var)
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self.assertEqual(var.getvalue(), 7.25)
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def test_2220_cursor_description(self):
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"2220 - test cursor description is accurate"
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self.cursor.execute("select * from TestNumbers")
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expected_value = [
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('INTCOL', oracledb.DB_TYPE_NUMBER, 10, None, 9, 0, 0),
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('LONGINTCOL', oracledb.DB_TYPE_NUMBER, 17, None, 16, 0, 0),
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('NUMBERCOL', oracledb.DB_TYPE_NUMBER, 13, None, 9, 2, 0),
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('FLOATCOL', oracledb.DB_TYPE_NUMBER, 127, None, 126, -127, 0),
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('UNCONSTRAINEDCOL', oracledb.DB_TYPE_NUMBER, 127, None, 0, -127,
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0),
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('NULLABLECOL', oracledb.DB_TYPE_NUMBER, 39, None, 38, 0, 1)
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]
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self.assertEqual(self.cursor.description, expected_value)
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def test_2221_fetchall(self):
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"2221 - test that fetching all of the data returns the correct results"
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self.cursor.execute("select * From TestNumbers order by IntCol")
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self.assertEqual(self.cursor.fetchall(), self.raw_data)
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self.assertEqual(self.cursor.fetchall(), [])
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def test_2222_fetchmany(self):
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"2222 - test that fetching data in chunks returns the correct results"
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self.cursor.execute("select * From TestNumbers order by IntCol")
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self.assertEqual(self.cursor.fetchmany(3), self.raw_data[0:3])
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self.assertEqual(self.cursor.fetchmany(2), self.raw_data[3:5])
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self.assertEqual(self.cursor.fetchmany(4), self.raw_data[5:9])
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self.assertEqual(self.cursor.fetchmany(3), self.raw_data[9:])
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self.assertEqual(self.cursor.fetchmany(3), [])
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def test_2223_fetchone(self):
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"2223 - test that fetching a single row returns the correct results"
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self.cursor.execute("""
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select *
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from TestNumbers
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where IntCol in (3, 4)
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order by IntCol""")
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self.assertEqual(self.cursor.fetchone(), self.data_by_key[3])
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self.assertEqual(self.cursor.fetchone(), self.data_by_key[4])
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self.assertEqual(self.cursor.fetchone(), None)
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def test_2224_return_as_long(self):
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"2224 - test that fetching a long integer returns such in Python"
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self.cursor.execute("""
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select NullableCol
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from TestNumbers
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where IntCol = 9""")
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col, = self.cursor.fetchone()
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self.assertEqual(col, 25004854810776297743)
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def test_2225_return_constant_float(self):
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"2225 - test fetching a floating point number returns such in Python"
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self.cursor.execute("select 1.25 from dual")
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result, = self.cursor.fetchone()
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self.assertEqual(result, 1.25)
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def test_2226_return_constant_integer(self):
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"2226 - test that fetching an integer returns such in Python"
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self.cursor.execute("select 148 from dual")
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result, = self.cursor.fetchone()
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self.assertEqual(result, 148)
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self.assertTrue(isinstance(result, int), "integer not returned")
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def test_2227_acceptable_boundary_numbers(self):
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"2227 - test that acceptable boundary numbers are handled properly"
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in_values = [decimal.Decimal("9.99999999999999e+125"),
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decimal.Decimal("-9.99999999999999e+125"), 0.0, 1e-130,
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-1e-130]
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out_values = [int("9" * 15 + "0" * 111), -int("9" * 15 + "0" * 111),
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0, 1e-130, -1e-130]
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for in_value, out_value in zip(in_values, out_values):
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self.cursor.execute("select :1 from dual", (in_value,))
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result, = self.cursor.fetchone()
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self.assertEqual(result, out_value)
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def test_2228_unacceptable_boundary_numbers(self):
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"2228 - test that unacceptable boundary numbers are rejected"
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in_values = [1e126, -1e126, float("inf"), float("-inf"),
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float("NaN"), decimal.Decimal("1e126"),
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decimal.Decimal("-1e126"), decimal.Decimal("inf"),
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decimal.Decimal("-inf"), decimal.Decimal("NaN")]
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no_rep_err = "value cannot be represented as an Oracle number"
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invalid_err = "invalid number"
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expected_errors = [no_rep_err, no_rep_err, invalid_err, invalid_err,
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invalid_err, no_rep_err, no_rep_err, invalid_err,
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invalid_err, invalid_err]
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for in_value, error in zip(in_values, expected_errors):
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self.assertRaisesRegex(oracledb.DatabaseError, error,
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self.cursor.execute, "select :1 from dual",
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(in_value,))
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def test_2229_return_float_from_division(self):
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"2229 - test that fetching the result of division returns a float"
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self.cursor.execute("""
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select IntCol / 7
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from TestNumbers
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where IntCol = 1""")
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result, = self.cursor.fetchone()
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self.assertEqual(result, 1.0 / 7.0)
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self.assertTrue(isinstance(result, float), "float not returned")
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def test_2230_string_format(self):
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"2230 - test that string format is returned properly"
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var = self.cursor.var(oracledb.NUMBER)
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self.assertEqual(str(var),
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"<cx_Oracle.Var of type DB_TYPE_NUMBER with value None>")
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var.setvalue(0, 4)
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self.assertEqual(str(var),
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"<cx_Oracle.Var of type DB_TYPE_NUMBER with value 4.0>")
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def test_2231_bind_binary_double(self):
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"2231 - test that binding binary double is possible"
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statement = "select :1 from dual"
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self.cursor.setinputsizes(oracledb.DB_TYPE_BINARY_DOUBLE)
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self.cursor.execute(statement, (5,))
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self.assertEqual(self.cursor.bindvars[0].type,
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oracledb.DB_TYPE_BINARY_DOUBLE)
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value, = self.cursor.fetchone()
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self.assertEqual(value, 5)
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self.cursor.execute(statement, (1.5,))
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self.assertEqual(self.cursor.bindvars[0].type,
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oracledb.DB_TYPE_BINARY_DOUBLE)
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value, = self.cursor.fetchone()
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self.assertEqual(value, 1.5)
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self.cursor.execute(statement, (decimal.Decimal("NaN"),))
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self.assertEqual(self.cursor.bindvars[0].type,
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oracledb.DB_TYPE_BINARY_DOUBLE)
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value, = self.cursor.fetchone()
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self.assertEqual(str(value), str(float("NaN")))
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def test_2232_fetch_binary_int(self):
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"2232 - test fetching numbers as binary integers"
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self.cursor.outputtypehandler = self.output_type_handler_binary_int
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for value in (1, 2 ** 31, 2 ** 63 - 1, -1, -2 ** 31, -2 ** 63 + 1):
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self.cursor.execute("select :1 from dual", [str(value)])
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fetched_value, = self.cursor.fetchone()
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self.assertEqual(value, fetched_value)
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def test_2233_out_bind_binary_int(self):
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"2233 - test binding native integer as an out bind"
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statement = "begin :value := 2.9; end;"
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simple_var = self.cursor.var(oracledb.DB_TYPE_BINARY_INTEGER)
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self.cursor.execute(statement, [simple_var])
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self.assertEqual(simple_var.getvalue(), 2)
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statement = "begin :value := 1.5; end;"
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simple_var = self.cursor.var(oracledb.DB_TYPE_BINARY_INTEGER)
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self.cursor.execute(statement, [simple_var])
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self.assertEqual(simple_var.getvalue(), 1)
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def test_2234_in_bind_binary_int(self):
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"2234 - test binding in a native integer"
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statement = "begin :value := :value + 2.5; end;"
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simple_var = self.cursor.var(oracledb.DB_TYPE_BINARY_INTEGER)
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simple_var.setvalue(0, 0)
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self.cursor.execute(statement, [simple_var])
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self.assertEqual(simple_var.getvalue(), 2)
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simple_var.setvalue(0, -5)
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self.cursor.execute(statement, [simple_var])
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self.assertEqual(simple_var.getvalue(), -2)
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def test_2235_setting_decimal_value_binary_int(self):
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"2235 - test setting decimal value for binary int"
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statement = "begin :value := :value + 2.5; end;"
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simple_var = self.cursor.var(oracledb.DB_TYPE_BINARY_INTEGER)
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simple_var.setvalue(0, 2.5)
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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()
|