如何解决错误:未实现:导航(哈希更改除外) [英] How to fix Error: Not implemented: navigation (except hash changes)

问题描述

我正在为包含window.location.href的文件实施单元测试，我需要检查它.

I am implementing unit test for a file that contain window.location.href and I need to check it.

我开玩笑的版本是22.0.4.当我在节点版本> = 10

My jest version is 22.0.4. Everything is fine when I run my test on node version >=10

但是在v8.9.3

console.error node_modules/jsdom/lib/jsdom/virtual-console.js:29
      Error: Not implemented: navigation (except hash changes)

我对此一无所知.我在许多页面上进行了搜索，以找出解决方案或有关此问题的任何提示，以了解此处发生的情况.

I have no idea about it. I have searched on many page to find out the solution or any hint about this to figure out what happened here.

[UPDATE]-我对源代码进行了深入研究，我认为此错误来自jsdom.

[UPDATE] - I took a look deep to source code and I think this error is from jsdom.

at module.exports (webapp/node_modules/jsdom/lib/jsdom/browser/not-implemented.js:9:17)
at navigateFetch (webapp/node_modules/jsdom/lib/jsdom/living/window/navigation.js:74:3)

navigation.js文件

exports.evaluateJavaScriptURL = (window, urlRecord) => {
  const urlString = whatwgURL.serializeURL(urlRecord);
  const scriptSource = whatwgURL.percentDecode(Buffer.from(urlString)).toString();
  if (window._runScripts === "dangerously") {
    try {
      return window.eval(scriptSource);
    } catch (e) {
      reportException(window, e, urlString);
    }
  }
  return undefined;
};
exports.navigate = (window, newURL, flags) => {
  // This is NOT a spec-compliant implementation of navigation in any way. It implements a few selective steps that
  // are nice for jsdom users, regarding hash changes and JavaScript URLs. Full navigation support is being worked on
  // and will likely require some additional hooks to be implemented.

  const document = idlUtils.implForWrapper(window._document);
  const currentURL = document._URL;

  if (!flags.reloadTriggered && urlEquals(currentURL, newURL, { excludeFragments: true })) {
    if (newURL.fragment !== currentURL.fragment) {
      navigateToFragment(window, newURL, flags);
    }
    return;
  }

  // NOT IMPLEMENTED: Prompt to unload the active document of browsingContext.

  // NOT IMPLEMENTED: form submission algorithm
  // const navigationType = 'other';

  // NOT IMPLEMENTED: if resource is a response...
  if (newURL.scheme === "javascript") {
    window.setTimeout(() => {
      const result = exports.evaluateJavaScriptURL(window, newURL);
      if (typeof result === "string") {
        notImplemented("string results from 'javascript:' URLs", window);
      }
    }, 0);
    return;
  }
  navigateFetch(window);
};

not-implemented.js

module.exports = function (nameForErrorMessage, window) {
  if (!window) {
    // Do nothing for window-less documents.
    return;
  }

  const error = new Error(`Not implemented: ${nameForErrorMessage}`);
  error.type = "not implemented";

  window._virtualConsole.emit("jsdomError", error);
};

我在这些文件中看到了一些奇怪的逻辑.

I see some weird logics in these file.

1. const scriptSource = whatwgURL.percentDecode(Buffer.from(urlString)).toString();
2. 然后检查字符串并返回错误

推荐答案

我在一项单元测试中遇到了类似的问题.这是我为解决此问题所做的事情.

I faced a similar issue in one of my unit tests. Here's what I did to resolve it.

• 用window.location.assign(url)替换window.location.href或 window.location.replace(url)
  
  

• JSDOM将仍然抱怨window.location.assign未实现.

• Replace window.location.href with window.location.assign(url) OR window.location.replace(url)
  
  

• JSDOM will still complain about window.location.assign not implemented.

Error: Not implemented: navigation (except hash changes)

Error: Not implemented: navigation (except hash changes)

然后，在其中一个包含window.assign(url)或window.replace(url)的上述组件/函数的单元测试中，定义以下内容

Then, in one of your unit tests for the above component / function containing window.assign(url) or window.replace(url) define the following

• sinon.stub(window.location, 'assign');
• sinon.stub(window.location, 'replace');
• 确保您导入sinon import sinon from 'sinon';

• sinon.stub(window.location, 'assign');
• sinon.stub(window.location, 'replace');
• Make sure you import sinon import sinon from 'sinon';

希望这可以像为我那样为您解决问题.

Hopefully, this should fix the issue for you as it did for me.

JSDOM抱怨Error: Not implemented: navigation (except hash changes)的原因是因为JSDOM没有实现window.alert，window.location.assign等方法.

The reason JSDOM complains about the Error: Not implemented: navigation (except hash changes) is because JSDOM does not implement methods like window.alert, window.location.assign, etc.

参考:

• http://xxd3vin.github.io/2018/03/13/error-not-implemented-navigation-except-hash-changes.html
• https://www.npmjs.com/package/jsdom#virtual-consoles

• http://xxd3vin.github.io/2018/03/13/error-not-implemented-navigation-except-hash-changes.html
• https://www.npmjs.com/package/jsdom#virtual-consoles

这篇关于如何解决错误:未实现:导航(哈希更改除外)的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！