Function wrapper

test/unit/core/context/test-node-values.js:90–112

* @param {Object} obj * @param {string} name

(obj, name)

   * @param {string} name
   */
  function wrapper(obj, name) {
    const original = obj[name];
    const stub = env.sandbox.stub(ContextNode.prototype, name);
    const wrapperName = `__wrapper_${name}`;
    stub.callsFake(function (...args) {
      const obj = this;
      const resolvers = obj[wrapperName] ?? (obj[wrapperName] = []);
      const result = original.apply(this, args);
      const current = resolvers.slice(0);
      resolvers.length = 0;
      current.forEach((resolver) => resolver(result));
      return result;
    });
    return {
      spy: stub,
      waitFor: (obj) => {
        const resolvers = obj[wrapperName] ?? (obj[wrapperName] = []);
        return new Promise((resolve) => {
          resolvers.push(resolve);
        });
      },
    };
  }

  function waitForDiscover(...nodesOrContextNodes) {
    const contextNodes = nodesOrContextNodes.map((arg) =>