// Centralize spec/helper/double/test-directory naming so Electron-import and localization audits classify every path identically.

// Why `(?<!self)`: `*-self-test-*` modules are a shipped runtime probe, not tests.
const TEST_ONLY_BASENAME =
  /\.(?:test|spec)\.|(?<!self)[.-]test-|[.-](?:fixtures?|mocks?|fakes?|stubs?|doubles?)\.[cm]?[jt]sx?$/
const TEST_ONLY_DIRECTORY = /^(?:__)?(?:tests?|fixtures?|mocks)(?:__)?$|(?:^|[.-])tests?(?:[.-]|$)/

/** @param {string} relativePath Repo-relative path with `/` separators. */
export function isTestOnlySourcePath(relativePath) {
  const directories = relativePath.split('/')
  const basename = directories.pop() ?? ''
  return TEST_ONLY_BASENAME.test(basename) || directories.some(isTestOnlyDirectoryName)
}

/** Lets a directory walk prune a whole test tree instead of testing every file in it. */
export function isTestOnlyDirectoryName(name) {
  return TEST_ONLY_DIRECTORY.test(name)
}