more test

test=develop

paddle/fluid/pybind/pybind.cc

@@ -650,9 +650,9 @@ All parameter, weight, gradient are variables in Paddle.
           [](ir::Pass &self, const std::string &name, const std::string &attr) {
             self.Set<std::string>(name, new std::string(attr));
           })
-      .def("set_int", [](ir::Pass &self, const std::string &name, int val) {
-        self.Set<const int>(name, new int(val));
-      });
+      .def("set_int", [](ir::Pass &self, const std::string &name,
+                         int val) { self.Set<const int>(name, new int(val)); })
+      .def("type", &ir::Pass::Type);
 
   py::class_<ir::PassBuilder, std::shared_ptr<ir::PassBuilder>> pb(
       m, "PassBuilder");

python/paddle/fluid/tests/unittests/test_pass_builder.py

@@ -94,7 +94,12 @@ class TestPassBuilder(unittest.TestCase):
 
     def test_parallel_testing_with_new_strategy(self):
         build_strategy = fluid.BuildStrategy()
+        self.assertFalse(build_strategy.fuse_elewise_add_act_ops)
+        build_strategy.fuse_elewise_add_act_ops = True
         pass_builder = build_strategy._finalize_strategy_and_create_passes()
+        self.assertTrue("fuse_elewise_add_act_pass" in
+                        [p.type() for p in pass_builder.all_passes()])
+
         origin_len = len(pass_builder.all_passes())
 
         viz_pass = pass_builder.append_pass("graph_viz_pass")