71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
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"""
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Test: Verify NX regenerates .dat and .op2 files with new timestamps
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This test verifies the fix for OP2 caching by checking file timestamps.
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"""
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from pathlib import Path
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import sys
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import time
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sys.path.insert(0, str(Path(__file__).parent.parent))
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from optimization_engine.nx_solver import NXSolver
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print("=" * 60)
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print("Testing timestamp verification fix")
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print("=" * 60)
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sim_file = Path('studies/bracket_displacement_maximizing/model/Bracket_sim1.sim')
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if not sim_file.exists():
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print(f"ERROR: Simulation file not found: {sim_file}")
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sys.exit(1)
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# Check current timestamps
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dat_file = sim_file.parent / "bracket_sim1-solution_1.dat"
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op2_file = sim_file.parent / "bracket_sim1-solution_1.op2"
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print(f"\nSimulation file: {sim_file}")
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print(f"Working directory: {sim_file.parent}")
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if dat_file.exists():
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old_dat_time = dat_file.stat().st_mtime
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print(f"\nBefore solve:")
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print(f" .dat modified: {time.ctime(old_dat_time)}")
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if op2_file.exists():
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old_op2_time = op2_file.stat().st_mtime
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print(f" .op2 modified: {time.ctime(old_op2_time)}")
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# Run solve with timestamp verification
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print(f"\nRunning solve with timestamp verification...")
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solver = NXSolver(nastran_version='2412', use_journal=True)
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result = solver.run_simulation(sim_file)
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print(f"\nSolve result: {'SUCCESS' if result['success'] else 'FAILED'}")
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# Check new timestamps
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if op2_file.exists():
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new_op2_time = op2_file.stat().st_mtime
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print(f"\nAfter solve:")
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print(f" .op2 modified: {time.ctime(new_op2_time)}")
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if 'old_op2_time' in locals():
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if new_op2_time > old_op2_time:
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print(f"\n ✓ SUCCESS! .op2 file was regenerated!")
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print(f" Time difference: {new_op2_time - old_op2_time:.1f} seconds")
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else:
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print(f"\n ✗ FAILED! .op2 file was NOT updated")
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print(f" This means NX did not regenerate the file")
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else:
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print(f"\n ✓ New .op2 file created")
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if dat_file.exists():
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new_dat_time = dat_file.stat().st_mtime
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print(f" .dat modified: {time.ctime(new_dat_time)}")
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if 'old_dat_time' in locals():
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if new_dat_time > old_dat_time:
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print(f"\n ✓ .dat file was also regenerated")
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