diff --git a/baselines/ddpg/test_smoke.py b/baselines/ddpg/test_smoke.py
new file mode 100644
index 0000000..b5bf866
--- /dev/null
+++ b/baselines/ddpg/test_smoke.py
@@ -0,0 +1,17 @@
+from baselines.run import main as M
+
+def _run(argstr):
+    M(('--alg=ddpg --env=Pendulum-v0 --num_timesteps=0 ' + argstr).split(' '))
+
+def test_popart():
+    _run('--normalize_returns=True --popart=True')
+
+def test_noise_normal():
+    _run('--noise_type=normal_0.1')
+
+def test_noise_ou():
+    _run('--noise_type=ou_0.1')
+
+def test_noise_adaptive():
+    _run('--noise_type=adaptive-param_0.2,normal_0.1')
+
diff --git a/baselines/run.py b/baselines/run.py
index c0298f3..609de6e 100644
--- a/baselines/run.py
+++ b/baselines/run.py
@@ -181,11 +181,11 @@ def parse_cmdline_kwargs(args):
 
 
 
-def main():
+def main(args):
     # configure logger, disable logging in child MPI processes (with rank > 0)
 
     arg_parser = common_arg_parser()
-    args, unknown_args = arg_parser.parse_known_args()
+    args, unknown_args = arg_parser.parse_known_args(args)
     extra_args = parse_cmdline_kwargs(unknown_args)
 
     if MPI is None or MPI.COMM_WORLD.Get_rank() == 0:
@@ -220,5 +220,7 @@ def main():
 
         env.close()
 
+    return model
+
 if __name__ == '__main__':
-    main()
+    main(sys.argv)