Unit tests for mesh particles for dressing env

tests/test_dressing_env.py

@@ -7,3 +7,19 @@ def test_dressing_env_initialization():
     """Tests that the dressing environment initializes without crashing."""
     env = DressingEnv(graphics=False)
     assert isinstance(env, DressingEnv)
+
+def test_dressing_env_cloth_access():
+    """Tests that the cloth is present in the dressing environment."""
+    env = DressingEnv(graphics=False)
+    cloth = env.get_cloth()
+    assert cloth is not None
+
+def test_dressing_env_cloth_particles():
+    """Tests that the cloth particles are present in the dressing environment."""
+    env = DressingEnv(graphics=False)
+    cloth = env.get_cloth()
+    cloth.GetParticles()
+    env.step()
+    cloth_particles = cloth.data['particles']  # Assuming cloth has a 'data' attribute with 'particles'
+    assert cloth_particles is not None
+    assert len(cloth_particles) > 0  # Ensure there are particles present