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FA-24891 / Filter interfaces / Open access

Empty messages wait for a known settled zero count · case 01

Empty messages wait for a known settled zero count is violated by the widget projection.

Verified by executionVariant 1 · 10 checks per implementationDownload source bundle ↓JSON ↗

ROOT CAUSE

The empty-message decision uses `d['count']==0` instead of the stipulated facet-availability projection.

VERIFIED REPAIR

Implement the declared empty-message projection: `d['count']==0 and not d['loading']`.

Unsuccessful approach: The attempted correction `not d['count'] and not d['loading']` still violates the explicit contract fixtures.

Case contract

Facet choices remain removable when selected even at zero matches; counts distinguish unknown loading state from a known empty result. This example checks: Empty messages wait for a known settled zero count.

Why this case matters

Filter-widget state and serialization must preserve user constraints while the view changes.

1 / The failure

Exit 1
"""Failure Map reference implementation. Python standard library only."""
import json

N = 1
observations = []
def solve(d):
    return {'zero-selected':(d['selected'] or d['count'] is None or d['count']>0), 'unknown-badge':('?' if d['count'] is None else str(d['count'])), 'hide-empty':(not d['hide'] or d['selected'] or d['count']!=0), 'busy-marker':(d['loading'] and d['count'] is None), 'empty-message':(d['count']==0), 'stale-count':(d['loading'] and d['count'] is not None)}
def check(label, actual, expected):
    observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = {1: [({'selected': False, 'count': 0, 'hide': False, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': None, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 0, 'hide': True, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': False, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 1, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 1, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 7, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 7, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': None, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': None, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 0, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True})], 2: [({'selected': False, 'count': 0, 'hide': True, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': False, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': None, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 7, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': None, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 0, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': True, 'stale-count': False}), ({'selected': True, 'count': 0, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': True, 'stale-count': False}), ({'selected': True, 'count': 1, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 1, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 7, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 7, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False})], 3: [({'selected': True, 'count': 0, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': None, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 0, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': 1, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': 1, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': 7, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': 7, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': None, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': None, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 0, 'hide': False, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True})], 4: [({'selected': True, 'count': 0, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': None, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 7, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 7, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': None, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 0, 'hide': False, 'loading': False}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': True, 'stale-count': False}), ({'selected': False, 'count': 0, 'hide': True, 'loading': False}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': False, 'busy-marker': False, 'empty-message': True, 'stale-count': False}), ({'selected': False, 'count': 1, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 1, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 7, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False})], 5: [({'selected': False, 'count': 0, 'hide': False, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': None, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': None, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 0, 'hide': True, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': False, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 1, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 1, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 7, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 7, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': None, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': None, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False})]}
for index, (data, expected) in enumerate(fixtures[N]):
    check("contract fixture " + str(index), solve(data), expected)
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
Boundary fixtureActualExpectedOutcome
contract fixture 0{'busy-marker': False, 'empty-message': True, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': False}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': False}Failed
contract fixture 1{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}Passed
contract fixture 2{'busy-marker': False, 'empty-message': True, 'hide-empty': False, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': False}{'busy-marker': False, 'empty-message': False, 'hide-empty': False, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': False}Failed
contract fixture 3{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '1', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '1', 'zero-selected': True}Passed
contract fixture 4{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '1', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '1', 'zero-selected': True}Passed
contract fixture 5{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '7', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '7', 'zero-selected': True}Passed
contract fixture 6{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '7', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '7', 'zero-selected': True}Passed
contract fixture 7{'busy-marker': True, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}{'busy-marker': True, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}Passed
contract fixture 8{'busy-marker': True, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}{'busy-marker': True, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}Passed
contract fixture 9{'busy-marker': False, 'empty-message': True, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': True}Failed

SHA-256 / 3717b8378380e26a624dedf30e4c80365398ba7d483bce3caaaaeca85a7a902d

2 / The unsuccessful fix

Exit 1
"""Failure Map reference implementation. Python standard library only."""
import json

N = 1
observations = []
def solve(d):
    return {'zero-selected':(d['selected'] or d['count'] is None or d['count']>0), 'unknown-badge':('?' if d['count'] is None else str(d['count'])), 'hide-empty':(not d['hide'] or d['selected'] or d['count']!=0), 'busy-marker':(d['loading'] and d['count'] is None), 'empty-message':(not d['count'] and not d['loading']), 'stale-count':(d['loading'] and d['count'] is not None)}
def check(label, actual, expected):
    observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = {1: [({'selected': False, 'count': 0, 'hide': False, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': None, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 0, 'hide': True, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': False, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 1, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 1, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 7, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 7, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': None, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': None, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 0, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True})], 2: [({'selected': False, 'count': 0, 'hide': True, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': False, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': None, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 7, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': None, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 0, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': True, 'stale-count': False}), ({'selected': True, 'count': 0, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': True, 'stale-count': False}), ({'selected': True, 'count': 1, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 1, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 7, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 7, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False})], 3: [({'selected': True, 'count': 0, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': None, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 0, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': 1, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': 1, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': 7, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': 7, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': None, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': None, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 0, 'hide': False, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True})], 4: [({'selected': True, 'count': 0, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': None, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 7, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 7, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': None, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 0, 'hide': False, 'loading': False}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': True, 'stale-count': False}), ({'selected': False, 'count': 0, 'hide': True, 'loading': False}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': False, 'busy-marker': False, 'empty-message': True, 'stale-count': False}), ({'selected': False, 'count': 1, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 1, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 7, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False})], 5: [({'selected': False, 'count': 0, 'hide': False, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': None, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': None, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 0, 'hide': True, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': False, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 1, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 1, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 7, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 7, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': None, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': None, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False})]}
for index, (data, expected) in enumerate(fixtures[N]):
    check("contract fixture " + str(index), solve(data), expected)
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
Boundary fixtureActualExpectedOutcome
contract fixture 0{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': False}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': False}Passed
contract fixture 1{'busy-marker': False, 'empty-message': True, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}Failed
contract fixture 2{'busy-marker': False, 'empty-message': False, 'hide-empty': False, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': False}{'busy-marker': False, 'empty-message': False, 'hide-empty': False, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': False}Passed
contract fixture 3{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '1', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '1', 'zero-selected': True}Passed
contract fixture 4{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '1', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '1', 'zero-selected': True}Passed
contract fixture 5{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '7', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '7', 'zero-selected': True}Passed
contract fixture 6{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '7', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '7', 'zero-selected': True}Passed
contract fixture 7{'busy-marker': True, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}{'busy-marker': True, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}Passed
contract fixture 8{'busy-marker': True, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}{'busy-marker': True, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}Passed
contract fixture 9{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': True}Passed

SHA-256 / a438ecb579ffd2cf7c1489dd5f28f2c3e59add9b297bac1a8f6f3adabc3b1275

3 / The verified repair

Exit 0
"""Failure Map reference implementation. Python standard library only."""
import json

N = 1
observations = []
def solve(d):
    return {'zero-selected':(d['selected'] or d['count'] is None or d['count']>0), 'unknown-badge':('?' if d['count'] is None else str(d['count'])), 'hide-empty':(not d['hide'] or d['selected'] or d['count']!=0), 'busy-marker':(d['loading'] and d['count'] is None), 'empty-message':(d['count']==0 and not d['loading']), 'stale-count':(d['loading'] and d['count'] is not None)}
def check(label, actual, expected):
    observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = {1: [({'selected': False, 'count': 0, 'hide': False, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': None, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 0, 'hide': True, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': False, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 1, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 1, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 7, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 7, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': None, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': None, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 0, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True})], 2: [({'selected': False, 'count': 0, 'hide': True, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': False, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': None, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 7, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': None, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 0, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': True, 'stale-count': False}), ({'selected': True, 'count': 0, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': True, 'stale-count': False}), ({'selected': True, 'count': 1, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 1, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 7, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 7, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False})], 3: [({'selected': True, 'count': 0, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': None, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 0, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': 1, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': 1, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': 7, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': 7, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': None, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': None, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 0, 'hide': False, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True})], 4: [({'selected': True, 'count': 0, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': None, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 7, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': 7, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': None, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 0, 'hide': False, 'loading': False}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': True, 'stale-count': False}), ({'selected': False, 'count': 0, 'hide': True, 'loading': False}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': False, 'busy-marker': False, 'empty-message': True, 'stale-count': False}), ({'selected': False, 'count': 1, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 1, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 7, 'hide': False, 'loading': False}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False})], 5: [({'selected': False, 'count': 0, 'hide': False, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': None, 'hide': True, 'loading': False}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': None, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': False, 'count': 0, 'hide': True, 'loading': True}, {'zero-selected': False, 'unknown-badge': '0', 'hide-empty': False, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 1, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 1, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '1', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 7, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': False, 'count': 7, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '7', 'hide-empty': True, 'busy-marker': False, 'empty-message': False, 'stale-count': True}), ({'selected': True, 'count': None, 'hide': False, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False}), ({'selected': True, 'count': None, 'hide': True, 'loading': True}, {'zero-selected': True, 'unknown-badge': '?', 'hide-empty': True, 'busy-marker': True, 'empty-message': False, 'stale-count': False})]}
for index, (data, expected) in enumerate(fixtures[N]):
    check("contract fixture " + str(index), solve(data), expected)
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
Boundary fixtureActualExpectedOutcome
contract fixture 0{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': False}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': False}Passed
contract fixture 1{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}Passed
contract fixture 2{'busy-marker': False, 'empty-message': False, 'hide-empty': False, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': False}{'busy-marker': False, 'empty-message': False, 'hide-empty': False, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': False}Passed
contract fixture 3{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '1', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '1', 'zero-selected': True}Passed
contract fixture 4{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '1', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '1', 'zero-selected': True}Passed
contract fixture 5{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '7', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '7', 'zero-selected': True}Passed
contract fixture 6{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '7', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '7', 'zero-selected': True}Passed
contract fixture 7{'busy-marker': True, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}{'busy-marker': True, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}Passed
contract fixture 8{'busy-marker': True, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}{'busy-marker': True, 'empty-message': False, 'hide-empty': True, 'stale-count': False, 'unknown-badge': '?', 'zero-selected': True}Passed
contract fixture 9{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': True}{'busy-marker': False, 'empty-message': False, 'hide-empty': True, 'stale-count': True, 'unknown-badge': '0', 'zero-selected': True}Passed

SHA-256 / 2642618364be8abac0cb28890ce7c23c9bcf9d72cbc2b6bc3f999769569d1a01

Verification & scope

Deterministic bounded UI-state model only; no browser, query engine, network, or production-standard conformance is claimed. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.

Observations recorded using Python 3.12.14 at 2026-09-29T14:41:01.664884+00:00.

Case digest / cf00322df6140b8d1e176d877b506e3238d66254740830485970560280f796ed