补充test_mql活塞几何计算输出

tests/test_test_mql_computed.py

@@ -0,0 +1,67 @@
+from __future__ import annotations
+
+import unittest
+from pathlib import Path
+
+from PythonModels.systems.test_mql_computed import run_test_mql_computed_piston_geometry
+
+
+REPO_ROOT = Path(__file__).resolve().parents[1]
+TEST_MQL_AME = REPO_ROOT / "AmesimModels" / "test_mql.ame"
+
+
+class TestMqlComputedPistonGeometryTests(unittest.TestCase):
+    @classmethod
+    def setUpClass(cls) -> None:
+        cls.computed_run = run_test_mql_computed_piston_geometry(TEST_MQL_AME)
+
+    def test_computed_piston_geometry_outputs_schema_valid_series(self) -> None:
+        self.assertEqual(self.computed_run.sample_count, 1002)
+        self.assertEqual(len(self.computed_run.mechanical_assembly.pistons), 8)
+        self.assertEqual(self.computed_run.signal_count, 24)
+        self.assertEqual(len(self.computed_run.comparison.metrics), 24)
+        self.assertEqual(self.computed_run.output_schema.signal_count, 858)
+
+    def test_computed_piston_geometry_output_paths_are_expected(self) -> None:
+        paths = self.computed_run.output.data_paths
+
+        self.assertIn("length@pn_brp2_8", paths)
+        self.assertIn("vol1@pn_brp2_8", paths)
+        self.assertIn("vvol1@pn_brp2_8", paths)
+        self.assertIn("length@pn_brp2_15", paths)
+        self.assertEqual(len([path for path in paths if path.startswith("length@")]), 8)
+        self.assertEqual(len([path for path in paths if path.startswith("vol1@")]), 8)
+        self.assertEqual(len([path for path in paths if path.startswith("vvol1@")]), 8)
+
+    def test_computed_piston_geometry_matches_amesim_with_tight_error_bounds(self) -> None:
+        for data_path in self.computed_run.output.data_paths:
+            metric = self.computed_run.comparison.metric(data_path)
+            with self.subTest(data_path=data_path):
+                if data_path.startswith("length@"):
+                    self.assertLessEqual(metric.max_abs_error, 3.0e-13)
+                elif data_path.startswith("vol1@"):
+                    self.assertLessEqual(metric.max_abs_error, 8.0e-12)
+                elif data_path.startswith("vvol1@"):
+                    self.assertLessEqual(metric.max_abs_error, 3.0e-11)
+                else:
+                    self.fail(f"Unexpected computed piston geometry path: {data_path}")
+
+    def test_computed_piston_geometry_final_samples_match_expected_values(self) -> None:
+        self.assertAlmostEqual(
+            self.computed_run.output.series("length@pn_brp2_8")[-1],
+            1090.0013536465842,
+        )
+        self.assertAlmostEqual(
+            self.computed_run.output.series("vol1@pn_brp2_8")[-1],
+            34242.54636512914,
+            delta=1.0e-9,
+        )
+        self.assertAlmostEqual(
+            self.computed_run.output.series("vvol1@pn_brp2_8")[-1],
+            8.360141002531034e-07,
+            delta=1.0e-11,
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()