接入test_mql外力信号边界

tests/test_test_mql_mechanical.py

@@ -36,9 +36,41 @@ class TestMqlMechanicalAssemblyTests(unittest.TestCase):
         self.assertEqual(len(self.assembly.masses), 10)
         self.assertEqual(len(self.assembly.elastic_endstops), 8)
         self.assertEqual(len(self.assembly.mechanical_nodes), 2)
-        self.assertEqual(len(self.assembly.zero_force_sources), 16)
+        self.assertEqual(len(self.assembly.piecewise_signals), 2)
         self.assertEqual(len(self.assembly.force_connectors), 2)
-        self.assertEqual(self.assembly.component_count, 46)
+        self.assertEqual(len(self.assembly.zero_force_sources), 16)
+        self.assertEqual(self.assembly.component_count, 48)
+
+    def test_piecewise_force_sources_match_amesim_samples(self) -> None:
+        front_signal = self.assembly.piecewise_signals["piecewiselinear_1"]
+        rear_signal = self.assembly.piecewise_signals["piecewiselinear"]
+
+        self.assertAlmostEqual(front_signal.output_at(0.0), 1.0e12)
+        self.assertAlmostEqual(front_signal.output_at(0.8000000000000009), 0.0)
+        self.assertAlmostEqual(rear_signal.output_at(0.0), 1.0e17)
+        self.assertAlmostEqual(rear_signal.output_at(0.8000000000000009), 49000.0)
+        self.assertEqual(
+            self.assembly.force_connectors["forcecon_2"].target_mass_alias,
+            "mass_friction_endstops_18",
+        )
+        self.assertEqual(
+            self.assembly.force_connectors["forcecon_1"].target_mass_alias,
+            "mass_friction_endstops_19",
+        )
+        self.assertAlmostEqual(
+            self.assembly.force_connectors["forcecon_2"].force_at(
+                0.0,
+                self.assembly.piecewise_signals,
+            ),
+            self.amesim_results.series("force@forcecon_2")[0],
+        )
+        self.assertAlmostEqual(
+            self.assembly.force_connectors["forcecon_1"].force_at(
+                0.8000000000000009,
+                self.assembly.piecewise_signals,
+            ),
+            self.amesim_results.series("force@forcecon_1")[80],
+        )
 
     def test_mechanical_mass_closure_exposes_all_mecmas21_states(self) -> None:
         closure = TestMqlMechanicalMassClosure(self.assembly)