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from contextlib import contextmanager
try:
# Python 2
from StringIO import StringIO
except ImportError:
# Python 3
from io import StringIO
import sys
import unittest
from .helpers import mssqlconn
@contextmanager
def redirect_stderr():
sys.stderr = StringIO()
yield sys.stderr
sys.stderr = sys.__stderr__
class TestMSSQLConnectionWithDebugQueries(unittest.TestCase):
def setUp(self):
self.conn = mssqlconn()
self.conn.debug_queries = True
def test_MSSQLConnection_with_debug_queries(self):
# This test is for http://code.google.com/p/pymssql/issues/detail?id=98
sql = "SELECT 'foo' AS first_name, 'bar' AS last_name"
expected_row = {
0: 'foo',
1: 'bar',
'first_name': 'foo',
'last_name': 'bar',
}
with redirect_stderr() as stderr:
row = self.conn.execute_row(sql)
self.assertEquals(row, expected_row)
self.assertEqual(stderr.getvalue(), "#%s#\n" % sql)
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