volt
1bd59257fe
bb8aec7landed wizard-work/beam/test_tarjan_articulation.py with sys.path.insert(0, '/root/.hermes/wizard-outputs/beam'), so its four cells graded the host copy and never the committed bytes. Repo gate at that commit: import-resolve FAULT, 1 OUTSIDE_REPO finding. Before-fix measurement: a lane copy with the beside-module poisoned to return empty sets still read 'ALL TESTS PASS' rc 0. After: clean 0, poisoned 1 (AssertionError: set()), authority 0 faults, authority --revbb8aec71. Ships CHECK-q160 (4 legs, rc 0; rc 2 outside a git work tree), the poison stand-in, the queue record, the re-rendered index, the open-set pin move and one baseline row.
46 lines
1.9 KiB
Python
46 lines
1.9 KiB
Python
"""Tests for tarjan_articulation.articulation_points / bridges.
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Runs two ways, both from this directory only:
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python3 test_tarjan_articulation.py
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python3 -m unittest discover -p 'test_*.py'
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Q160 / 2026-11-03: the module is resolved from THIS file's directory and from
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nowhere else. The file landed with
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sys.path.insert(0, '/root/.hermes/wizard-outputs/beam')
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which put a HOST directory first on sys.path, so all four cells below graded
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/root/.hermes/wizard-outputs/beam/tarjan_articulation.py and not the committed
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bytes. Measured before the fix: with the copy beside this test overwritten by a
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stand-in that returns empty sets on every call, the suite still read
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`ALL TESTS PASS`, rc 0, because the imported module was the host file. The
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assertion below is what makes the binding a fact rather than an intention (the
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rule test_toposort.py states at Q61 and test_lfu_cache.py at Q98).
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"""
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import pathlib
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import sys
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HERE = pathlib.Path(__file__).resolve().parent
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sys.path.insert(0, str(HERE))
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import tarjan_articulation as module_under_test
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from tarjan_articulation import articulation_points, bridges
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# The module under test must be the committed file next to this test.
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MODULE_PATH = pathlib.Path(module_under_test.__file__).resolve()
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assert MODULE_PATH == (HERE / "tarjan_articulation.py"), (MODULE_PATH, HERE)
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adj = {'1': ['2'], '2': ['1', '3'], '3': ['2', '4'], '4': ['3']}
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assert sorted(articulation_points(adj)) == ['2', '3'], articulation_points(adj)
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assert sorted(bridges(adj)) == [('1', '2'), ('2', '3'), ('3', '4')], bridges(adj)
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adj = {'a': ['b', 'c'], 'b': ['a', 'c'], 'c': ['a', 'b']}
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assert articulation_points(adj) == set(), articulation_points(adj)
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assert bridges(adj) == set(), bridges(adj)
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adj = {'1': ['2', '2'], '2': ['1', '1']}
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assert bridges(adj) == set(), bridges(adj)
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adj = {'c': ['a', 'b', 'd'], 'a': ['c'], 'b': ['c'], 'd': ['c']}
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assert articulation_points(adj) == {'c'}, articulation_points(adj)
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print("ALL TESTS PASS")
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