// lib/util/test-path.mjs
// What counts as a test file, by its path. One reading for every caller: the
// floor guard (test-integrity.mjs) reads a diff with it, and the plan reader
// (plan-schema.mjs `stepTestsOnly`) asks whether a step holds nothing but tests.

const TEST_PATH_RE = [
  /(^|\/)(tests?|__tests__|spec|specs)\//,
  /\.(test|spec)\.[a-z0-9]+$/i,
  /_(test|spec)\.[a-z0-9]+$/i,
  /(^|\/)test_[^/]*\.py$/,
];

export function isTestPath(p) {
  return TEST_PATH_RE.some((re) => re.test(p));
}