拆解test_mql变容气室RHS

tests/test_run_test_mql_full_state_comparison.py

@@ -59,6 +59,16 @@ class RunTestMqlFullStateComparisonScriptTests(unittest.TestCase):
             run.diagnostics_by_final_abs_error()[0].data_path,
             "press@pn_c1_8",
         )
+        chamber_diagnostic = run.chamber_rhs_diagnostic("pn_c1_8")
+        self.assertEqual(chamber_diagnostic.chamber_alias, "pn_c1_8")
+        self.assertEqual(chamber_diagnostic.piston_alias, "pn_brp2_8")
+        self.assertAlmostEqual(chamber_diagnostic.chamber_volume_m3, 0.015)
+        self.assertAlmostEqual(
+            chamber_diagnostic.energy_derivative_w,
+            chamber_diagnostic.port_a_energy_flow_w
+            + chamber_diagnostic.port_b_energy_flow_w
+            + chamber_diagnostic.boundary_work_w,
+        )
         self.assertTrue(csv_summary_exists)
         self.assertIn("Mode: Python 132 full-state closure comparison", summary)
         self.assertIn("Compared signals: 2", summary)
@@ -66,6 +76,10 @@ class RunTestMqlFullStateComparisonScriptTests(unittest.TestCase):
         self.assertIn("Largest final endpoint error: press@pn_c1_8=", summary)
         self.assertIn("Metrics by max absolute error:", summary)
         self.assertIn("Endpoint diagnostics by final absolute error:", summary)
+        self.assertIn("Largest endpoint chamber RHS breakdown: pn_c1_8", summary)
+        self.assertIn("piston_alias=pn_brp2_8", summary)
+        self.assertIn("mass_derivative_kg_s=", summary)
+        self.assertIn("boundary_work_w=", summary)
         self.assertIn("final_python=", summary)
         self.assertIn("final_amesim=", summary)
         self.assertIn("python.press@pn_c1_8", csv_header)
@@ -118,6 +132,7 @@ class RunTestMqlFullStateComparisonScriptTests(unittest.TestCase):
         self.assertIn("Largest final endpoint error: press@pn_c1_8=", summary)
         self.assertIn("Metrics by max absolute error:", summary)
         self.assertIn("Endpoint diagnostics by final absolute error:", summary)
+        self.assertIn("Largest endpoint chamber RHS breakdown: pn_c1_8", summary)
         self.assertTrue(summary.endswith("\n"))
 
 

tests/test_test_mql_pnl0001_segment.py

@@ -684,6 +684,32 @@ class TestMqlPn3P4NodeChamberSegmentTests(unittest.TestCase):
         self.assertAlmostEqual(rhs[128], expected_contact_force / support_mass)
         self.assertAlmostEqual(rhs[129], 0.0)
 
+    def test_full_state_closure_diagnoses_variable_chamber_rhs_terms(self) -> None:
+        closure = self.system.full_state_closure_from_spec(
+            self.spec,
+            inlet_node_pressure_pa=15.31e6,
+            resistance_boundary_pressure_pa=15.29e6,
+        )
+        state = closure.initial_state_vector()
+
+        diagnostic = closure.variable_chamber_rhs_diagnostic(
+            chamber_alias="pn_c1_8",
+            state_vector=state,
+        )
+        rhs = closure.rhs(state)
+
+        self.assertEqual(diagnostic.piston_alias, "pn_brp2_8")
+        self.assertAlmostEqual(diagnostic.chamber_volume_m3, 0.015)
+        self.assertAlmostEqual(diagnostic.chamber_volume_rate_m3_s, 0.0)
+        self.assertAlmostEqual(diagnostic.mass_derivative_kg_s, rhs[46])
+        self.assertAlmostEqual(diagnostic.energy_derivative_w, rhs[47])
+        self.assertAlmostEqual(
+            diagnostic.energy_derivative_w,
+            diagnostic.port_a_energy_flow_w
+            + diagnostic.port_b_energy_flow_w
+            + diagnostic.boundary_work_w,
+        )
+
     def test_simulates_full_state_key_data_paths_for_amesim_comparison(self) -> None:
         data_paths = (
             "press@pn_c1_8",