Add a placeholder test.

James William Pye · James William Pye · commit ac4e3317605f · 2010-09-03T14:52:36.000-07:00
This is somewhat redundant, but some coverage for '... % %(foo)s' may exist here soon.
diff --git a/postgresql/test/test_dbapi20.py b/postgresql/test/test_dbapi20.py
@@ -866,5 +866,16 @@ def test_ROWID(self):
 			'module.ROWID must be defined.'
 		)
 
+	def test_placeholder_escape(self):
+		con = self._connect()
+		try:
+			c = con.cursor()
+			c.execute("SELECT 100 %% %s", (99,))
+			self.failUnlessEqual(1, c.fetchone()[0])
+			c.execute("SELECT 100 %% %(foo)s", {'foo': 99})
+			self.failUnlessEqual(1, c.fetchone()[0])
+		finally:
+			con.close()
+
 if __name__ == '__main__':
 	unittest.main()
