104 lines
4.1 KiB
Python
104 lines
4.1 KiB
Python
from __future__ import annotations
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import unittest
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from PythonModels.core.solver import SolveIVPConfig
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from PythonModels.systems.test_mql import TestMqlSystem
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class TestMqlPneumaticBranchSimulationTests(unittest.TestCase):
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def test_simulate_pneumatic_branch_returns_ode_solution(self) -> None:
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system = TestMqlSystem()
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solution = system.simulate_pneumatic_branch(
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name="sample_branch",
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upstream_volume_alias="pn_general_chamber",
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orifice_alias="pn_orifice_18",
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downstream_volume_alias="pn_c1_8",
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config=SolveIVPConfig(t_start=0.0, t_stop=1.0e-5, max_step=1.0e-6),
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t_eval=[0.0, 5.0e-6, 1.0e-5],
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)
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self.assertTrue(solution.success)
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self.assertEqual(len(solution.t), 3)
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self.assertEqual(len(solution.y), 4)
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self.assertEqual([len(row) for row in solution.y], [3, 3, 3, 3])
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def test_evaluate_pneumatic_branch_solution_reports_branch_series(self) -> None:
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system = TestMqlSystem()
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solution = system.simulate_pneumatic_branch(
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name="sample_branch",
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upstream_volume_alias="pn_general_chamber",
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orifice_alias="pn_orifice_18",
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downstream_volume_alias="pn_c1_8",
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config=SolveIVPConfig(t_start=0.0, t_stop=1.0e-5, max_step=1.0e-6),
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t_eval=[0.0, 5.0e-6, 1.0e-5],
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)
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series = system.evaluate_pneumatic_branch_solution(
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solution,
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name="sample_branch",
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upstream_volume_alias="pn_general_chamber",
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orifice_alias="pn_orifice_18",
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downstream_volume_alias="pn_c1_8",
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)
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self.assertEqual(series["time"], [0.0, 5.0e-6, 1.0e-5])
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self.assertIn("sample_branch.flow", series)
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self.assertIn("pn_general_chamber.p", series)
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self.assertIn("pn_c1_8.p", series)
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self.assertEqual(len(series["sample_branch.flow"]), 3)
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self.assertGreater(series["sample_branch.flow"][0], 0.0)
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self.assertGreater(series["pn_general_chamber.p"][0], series["pn_general_chamber.p"][-1])
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self.assertLess(series["pn_c1_8.p"][0], series["pn_c1_8.p"][-1])
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self.assertAlmostEqual(
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series["pn_general_chamber.m_flow"][0],
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-series["sample_branch.flow"][0],
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)
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self.assertAlmostEqual(
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series["pn_c1_8.m_flow"][0],
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series["sample_branch.flow"][0],
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)
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def test_pneumatic_branch_spec_drives_closure_and_simulation(self) -> None:
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system = TestMqlSystem()
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spec = system.pneumatic_branch_spec(
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name="sample_branch",
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upstream_volume_alias="pn_general_chamber",
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orifice_alias="pn_orifice_18",
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downstream_volume_alias="pn_c1_8",
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source="manual-test",
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)
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closure = system.pneumatic_branch_closure_from_spec(spec)
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solution = system.simulate_pneumatic_branch_from_spec(
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spec,
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config=SolveIVPConfig(t_start=0.0, t_stop=1.0e-5, max_step=1.0e-6),
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t_eval=[0.0, 1.0e-5],
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)
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series = system.evaluate_pneumatic_branch_solution_from_spec(solution, spec)
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self.assertIs(closure.components.spec, spec)
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self.assertEqual(spec.source, "manual-test")
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self.assertEqual(len(solution.t), 2)
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self.assertIn("sample_branch.flow", series)
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self.assertGreater(series["sample_branch.flow"][0], 0.0)
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self.assertGreater(series["pn_general_chamber.p"][0], series["pn_general_chamber.p"][-1])
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self.assertLess(series["pn_c1_8.p"][0], series["pn_c1_8.p"][-1])
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def test_simulate_pneumatic_branch_rejects_invalid_component_aliases(self) -> None:
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system = TestMqlSystem()
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with self.assertRaises(TypeError):
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system.simulate_pneumatic_branch(
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name="invalid_branch",
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upstream_volume_alias="pn_brp2_8",
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orifice_alias="pn_orifice_18",
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downstream_volume_alias="pn_c1_8",
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config=SolveIVPConfig(t_start=0.0, t_stop=0.0),
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)
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if __name__ == "__main__":
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unittest.main()
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