[RTM] show bounds test in ocp

tests/test_plot_show_bounds.py

@@ -0,0 +1,32 @@
+import os
+from bioptim import BoundsList
+from bioptim.limits.path_conditions import Bounds
+
+
+def test_pendulum_show_bounds():
+    """
+    It doesn"t test that bounds are shown, b
+    but we test that the bounds are added to the plot"
+    """
+    from bioptim.examples.sqp_method import pendulum as ocp_module
+
+    bioptim_folder = os.path.dirname(ocp_module.__file__)
+
+    ocp = ocp_module.prepare_ocp(
+        biorbd_model_path=bioptim_folder + "/models/pendulum.bioMod",
+        final_time=1,
+        n_shooting=30,
+        assume_phase_dynamics=True,
+    )
+    # Test the keys in the dict ocp.nlp[0].plot
+    assert ["q_states", "qdot_states", "tau_controls"] == list(ocp.nlp[0].plot.keys())
+
+    for key, plot in ocp.nlp[0].plot.items():
+        assert isinstance(plot.bounds, Bounds)
+        assert plot.bounds.shape == (2, 3)
+        if "states" in key:
+            state = key.split("_")[0]
+            assert ocp.nlp[0].x_bounds[state] == plot.bounds
+        elif "controls" in key:
+            control = key.split("_")[0]
+            assert ocp.nlp[0].u_bounds[control] == plot.bounds