244 lines
10 KiB
Python
244 lines
10 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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2100 - Module for testing NCHAR variables
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"""
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import cx_Oracle as oracledb
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import test_env
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class TestCase(test_env.BaseTestCase):
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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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unicode_col = "Unicode \u3042 %d" % i
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fixed_char_col = ("Fixed Unicode %d" % i).ljust(40)
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if i % 2:
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nullable_col = "Nullable %d" % i
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else:
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nullable_col = None
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data_tuple = (i, unicode_col, fixed_char_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_2100_unicode_length(self):
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"2100 - test value length"
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return_value = self.cursor.var(int)
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self.cursor.execute("""
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begin
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:retval := LENGTH(:value);
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end;""",
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value="InVal \u3042",
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retval=return_value)
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self.assertEqual(return_value.getvalue(), 7)
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def test_2101_bind_unicode(self):
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"2101 - test binding in a unicode"
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self.cursor.setinputsizes(value=oracledb.DB_TYPE_NVARCHAR)
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self.cursor.execute("""
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select * from TestUnicodes
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where UnicodeCol = :value""",
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value="Unicode \u3042 5")
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self.assertEqual(self.cursor.fetchall(), [self.data_by_key[5]])
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def test_2102_bind_different_var(self):
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"2102 - test binding a different variable on second execution"
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retval_1 = self.cursor.var(oracledb.DB_TYPE_NVARCHAR, 30)
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retval_2 = self.cursor.var(oracledb.DB_TYPE_NVARCHAR, 30)
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self.cursor.execute(r"begin :retval := unistr('Called \3042'); end;",
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retval=retval_1)
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self.assertEqual(retval_1.getvalue(), "Called \u3042")
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self.cursor.execute("begin :retval := 'Called'; end;", retval=retval_2)
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self.assertEqual(retval_2.getvalue(), "Called")
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def test_2103_bind_unicode_after_number(self):
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"2103 - test binding in a string after setting input sizes to a number"
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unicode_val = self.cursor.var(oracledb.DB_TYPE_NVARCHAR)
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unicode_val.setvalue(0, "Unicode \u3042 6")
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self.cursor.setinputsizes(value=oracledb.NUMBER)
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self.cursor.execute("""
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select * from TestUnicodes
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where UnicodeCol = :value""",
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value=unicode_val)
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self.assertEqual(self.cursor.fetchall(), [self.data_by_key[6]])
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def test_2104_bind_unicode_array_direct(self):
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"2104 - test binding in a unicode array"
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return_value = self.cursor.var(oracledb.NUMBER)
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array = [r[1] for r in self.raw_data]
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array_var = self.cursor.arrayvar(oracledb.DB_TYPE_NVARCHAR, array)
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statement = """
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begin
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:retval := pkg_TestUnicodeArrays.TestInArrays(
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:integer_value, :array);
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end;"""
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self.cursor.execute(statement, retval=return_value, integer_value=5,
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array=array_var)
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self.assertEqual(return_value.getvalue(), 116)
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array = ["Unicode - \u3042 %d" % i for i in range(15)]
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array_var = self.cursor.arrayvar(oracledb.DB_TYPE_NVARCHAR, array)
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self.cursor.execute(statement, integer_value=8, array=array_var)
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self.assertEqual(return_value.getvalue(), 208)
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def test_2105_bind_unicode_array_by_sizes(self):
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"2105 - test binding in a unicode array (with setinputsizes)"
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return_value = self.cursor.var(oracledb.NUMBER)
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self.cursor.setinputsizes(array = [oracledb.DB_TYPE_NVARCHAR, 10])
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array = [r[1] for r in self.raw_data]
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self.cursor.execute("""
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begin
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:retval := pkg_TestUnicodeArrays.TestInArrays(:integer_value,
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:array);
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end;""",
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retval=return_value,
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integer_value=6,
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array=array)
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self.assertEqual(return_value.getvalue(), 117)
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def test_2106_bind_unicode_array_by_var(self):
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"2106 - test binding in a unicode array (with arrayvar)"
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return_value = self.cursor.var(oracledb.NUMBER)
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array = self.cursor.arrayvar(oracledb.DB_TYPE_NVARCHAR, 10, 20)
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array.setvalue(0, [r[1] for r in self.raw_data])
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self.cursor.execute("""
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begin
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:retval := pkg_TestUnicodeArrays.TestInArrays(:integer_value,
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:array);
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end;""",
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retval=return_value,
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integer_value=7,
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array=array)
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self.assertEqual(return_value.getvalue(), 118)
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def test_2107_bind_in_out_unicode_array_by_var(self):
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"2107 - test binding in/out a unicode array (with arrayvar)"
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array = self.cursor.arrayvar(oracledb.DB_TYPE_NVARCHAR, 10, 100)
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original_data = [r[1] for r in self.raw_data]
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fmt = "Converted element \u3042 # %d originally had length %d"
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expected_data = [fmt % (i, len(original_data[i - 1])) \
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for i in range(1, 6)] + 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_TestUnicodeArrays.TestInOutArrays(:numElems, :array);
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end;""",
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numElems = 5,
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array = array)
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self.assertEqual(array.getvalue(), expected_data)
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def test_2108_bind_out_unicode_array_by_var(self):
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"2108 - test binding out a unicode array (with arrayvar)"
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array = self.cursor.arrayvar(oracledb.DB_TYPE_NVARCHAR, 6, 100)
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fmt = "Test out element \u3042 # %d"
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expected_data = [fmt % i for i in range(1, 7)]
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self.cursor.execute("""
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begin
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pkg_TestUnicodeArrays.TestOutArrays(:numElems, :array);
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end;""",
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numElems = 6,
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array = array)
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self.assertEqual(array.getvalue(), expected_data)
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def test_2109_bind_null(self):
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"2109 - test binding in a null"
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self.cursor.execute("""
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select * from TestUnicodes
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where UnicodeCol = :value""",
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value = None)
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self.assertEqual(self.cursor.fetchall(), [])
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def test_2110_bind_out_set_input_sizes_by_type(self):
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"2110 - test binding out with set input sizes defined (by type)"
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bind_vars = self.cursor.setinputsizes(value=oracledb.DB_TYPE_NVARCHAR)
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self.cursor.execute(r"""
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begin
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:value := unistr('TSI \3042');
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end;""")
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self.assertEqual(bind_vars["value"].getvalue(), "TSI \u3042")
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def test_2111_bind_in_out_set_input_sizes_by_type(self):
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"2111 - test binding in/out with set input sizes defined (by type)"
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bind_vars = self.cursor.setinputsizes(value=oracledb.DB_TYPE_NVARCHAR)
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self.cursor.execute(r"""
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begin
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:value := :value || unistr(' TSI \3042');
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end;""",
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value = "InVal \u3041")
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self.assertEqual(bind_vars["value"].getvalue(),
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"InVal \u3041 TSI \u3042")
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def test_2112_bind_out_var(self):
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"2112 - test binding out with cursor.var() method"
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var = self.cursor.var(oracledb.DB_TYPE_NVARCHAR)
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self.cursor.execute(r"""
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begin
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:value := unistr('TSI (VAR) \3042');
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end;""",
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value=var)
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self.assertEqual(var.getvalue(), "TSI (VAR) \u3042")
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def test_2113_bind_in_out_var_direct_set(self):
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"2113 - test binding in/out with cursor.var() method"
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var = self.cursor.var(oracledb.DB_TYPE_NVARCHAR)
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var.setvalue(0, "InVal \u3041")
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self.cursor.execute(r"""
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begin
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:value := :value || unistr(' TSI (VAR) \3042');
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end;""",
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value = var)
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self.assertEqual(var.getvalue(), "InVal \u3041 TSI (VAR) \u3042")
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def test_2114_cursor_description(self):
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"2114 - test cursor description is accurate"
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self.cursor.execute("select * from TestUnicodes")
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varchar_ratio, nvarchar_ratio = test_env.get_charset_ratios()
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expected_value = [
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('INTCOL', oracledb.DB_TYPE_NUMBER, 10, None, 9, 0, False),
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('UNICODECOL', oracledb.DB_TYPE_NVARCHAR, 20, 20 * nvarchar_ratio,
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None, None, False),
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('FIXEDUNICODECOL', oracledb.DB_TYPE_NCHAR, 40,
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40 * nvarchar_ratio, None, None, False),
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('NULLABLECOL', oracledb.DB_TYPE_NVARCHAR, 50, 50 * nvarchar_ratio,
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None, None, True)
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]
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self.assertEqual(self.cursor.description, expected_value)
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def test_2115_fetchall(self):
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"2115 - test that fetching all of the data returns the correct results"
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self.cursor.execute("select * From TestUnicodes 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_2116_fetchmany(self):
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"2116 - test that fetching data in chunks returns the correct results"
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self.cursor.execute("select * From TestUnicodes 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_2117_fetchone(self):
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"2117 - 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 TestUnicodes
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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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if __name__ == "__main__":
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test_env.run_test_cases()
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