File indexing completed on 2026-09-28 08:27:36
0001 import subprocess
0002 import sys
0003 from pathlib import Path
0004
0005
0006 WLS_TEST_SCRIPT = Path(__file__).parents[1] / "ana" / "wls_test.py"
0007
0008
0009 def test_package_import_does_not_mutate_sys_path():
0010 code = """
0011 import sys
0012
0013 before = list(sys.path)
0014 import optiphy.ana.wls_test
0015 assert sys.path == before, f"sys.path mutated: {before!r} -> {sys.path!r}"
0016 """
0017
0018 result = subprocess.run(
0019 [sys.executable, "-c", code],
0020 capture_output=True,
0021 text=True,
0022 )
0023
0024 assert result.returncode == 0, result.stderr
0025
0026
0027 def test_direct_script_help_remains_supported(tmp_path):
0028 result = subprocess.run(
0029 [sys.executable, str(WLS_TEST_SCRIPT), "--help"],
0030 cwd=tmp_path,
0031 capture_output=True,
0032 text=True,
0033 )
0034
0035 assert result.returncode == 0, result.stderr
0036 assert "usage:" in result.stdout
