multi statements can be disabled (#500)

tests/test_connection.py

@@ -0,0 +1,26 @@
+import pytest
+
+from MySQLdb._exceptions import ProgrammingError
+
+from configdb import connection_factory
+
+
+def test_multi_statements_default_true():
+    conn = connection_factory()
+    cursor = conn.cursor()
+
+    cursor.execute("select 17; select 2")
+    rows = cursor.fetchall()
+    assert rows == ((17,),)
+
+
+def test_multi_statements_false():
+    conn = connection_factory(multi_statements=False)
+    cursor = conn.cursor()
+
+    with pytest.raises(ProgrammingError):
+        cursor.execute("select 17; select 2")
+
+    cursor.execute("select 17")
+    rows = cursor.fetchall()
+    assert rows == ((17,),)