Raise error if trying to bind with a spec with an empty name.

PiperOrigin-RevId: 731360983 Change-Id: I00365d158c1cae1cd912962ef453f43e93701080
2025-02-26 10:06:41 -08:00
parent ed16f2daf2
commit 1c240d8bad
2 changed files with 13 additions and 2 deletions
@@ -333,6 +333,13 @@ class SupportTest(parameterized.TestCase):
          vdx.bind(mx, s.bodies[i]).xpos, [d.xpos[i, :]] * batch_size
      )

+    # test emtpy name
+    s.worldbody.add_body()
+    m = s.compile()
+    mx = mjx.put_model(m)
+    with self.assertRaises(KeyError, msg='cannot bind spec with empty name'):
+      mx.bind(s.bodies)
+
  _CONTACTS = """
    <mujoco>
      <worldbody>