def test_version_detection(self):
"""Test PostgreSQL version detection"""
# Helper mocks
class CursorMock(object):
"Very simple mock of DB-API cursor"
def execute(self, arg):
pass
def fetchone(self):
return ["PostgreSQL 8.3"]
class OlderConnectionMock(object):
"Mock of psycopg2 (< 2.0.12) connection"
def cursor(self):
return CursorMock()
# psycopg2 < 2.0.12 code path
conn = OlderConnectionMock()
self.assertEqual(pg_version.get_version(conn), 80300)
def _get_pg_version(self):
if self._pg_version is None:
self._pg_version = get_version(self.connection)
return self._pg_version