Function checkRedirect

packages/router/test/apply_redirects.spec.ts:1886–1912

(
  config: Routes,
  url: string,
  callback: (t: UrlTree, state: RouterStateSnapshot) => void,
  paramsInheritanceStrategy: ParamsInheritanceStrategy = 'always',
  errorCallback?: (e: unknown) => void,
)

});

async function checkRedirect(
  config: Routes,
  url: string,
  callback: (t: UrlTree, state: RouterStateSnapshot) => void,
  paramsInheritanceStrategy: ParamsInheritanceStrategy = 'always',
  errorCallback?: (e: unknown) => void,
): Promise<void> {
  try {
    const {tree, state} = await recognize(
      TestBed.inject(EnvironmentInjector),
      TestBed.inject(RouterConfigLoader),
      null,
      config,
      createUrlTree(url),
      new DefaultUrlSerializer(),
      paramsInheritanceStrategy,
      new AbortController().signal,
    );
    callback(tree, state);
  } catch (e) {
    if (errorCallback) {
      errorCallback(e);
    } else {
      throw e;
    }
  }
}

function createUrlTree(url: string): UrlTree {
  return new DefaultUrlSerializer().parse(url);