Merge pull request #3556 from reyoung/feature/enable_sgd_op_unittest

Enable test_sgd_op

paddle/operators/sgd_op.h

@@ -30,7 +30,7 @@ class SGDOpKernel : public framework::OpKernel {
   void Compute(const framework::ExecutionContext& ctx) const override {
     auto param = ctx.Input<Tensor>("param");
     auto grad = ctx.Input<Tensor>("grad");
-    auto param_out = ctx.Output<Tensor>(0);
+    auto param_out = ctx.Output<Tensor>("param_out");
     float lr = ctx.op_.GetAttr<float>("learning_rate");
 
     param_out->mutable_data<T>(ctx.GetPlace());

python/paddle/v2/framework/tests/CMakeLists.txt

@@ -25,4 +25,5 @@ py_test(test_operator SRCS test_operator.py)
 # py_test(test_gaussian_random_op SRCS test_gaussian_random_op.py)
 py_test(test_uniform_random_op SRCS test_uniform_random_op.py)
 py_test(test_recurrent_op SRCS test_recurrent_op.py)
+py_test(test_sgd_op SRCS test_sgd_op.py)
 py_test(test_gradient_checker SRCS test_gradient_checker.py)