Method assert

ng-dev/pr/common/validation/assert-passing-ci.ts:24–43

(pullRequest: PullRequestFromGithub)

class Validation extends PullRequestValidation {
  assert(pullRequest: PullRequestFromGithub) {
    const {combinedStatus, statuses} = getStatusesForPullRequest(pullRequest);

    // TODO(josephperrott): Find a way to not need to do this kind of detection.
    // Because its not possible to determine if workflow is pending approval or if all checks and
    // statuses have run, we use the `CI / lint (pull_request)` as a marker for if the expected
    // checks have run already.  If they have not yet run, we mark the combined status as missing.
    if (statuses.find((status) => status.name === 'lint') === undefined) {
      throw this._createError(
        'Pull request is missing expected status checks. Check the pull request for pending workflows',
        false,
      );
    }
    if (combinedStatus === PullRequestStatus.PENDING) {
      throw this._createError('Pull request has pending status checks.', false);
    }
    if (combinedStatus === PullRequestStatus.FAILING) {
      throw this._createError('Pull request has failing status checks.');
    }
  }
}