在AngularJS应用程序的Protractor测试中访问localStorage [英] Accessing localStorage in Protractor test for AngularJS application

问题描述

我正在编写一些测试来验证输入数据是否正确存储在本地存储中，如何从量角器测试中访问localStorage？

I am writing some tests to verify that input data is being stored in local storage correctly, how can I access localStorage from within the protractor test?

...
describe('vgPersist', function() {
  it('Should save input data in local storage until form submitted', function() {
    // Prepare Object and Open browser
    var addOns = new AddOns();
    addOns.get();

    -> Clear localStorage
    -> Get from localStorage

你如何使用executeScript？我可以从executeScript获取数据吗？

How do you use executeScript? And could I get data from an executeScript?

推荐答案

要从本地存储中获取项目，请使用 window.localStorage.getItem（）通过 executeScript（）：

var value = browser.executeScript("return window.localStorage.getItem('key');");
expect(value).toEqual(expectedValue);

至清除本地存储致电 clear（）：

browser.executeScript("window.localStorage.clear();");

---

我们也可以拥有这个帮助对象/包装器为便利起见的本地存储：

---

We can also have this helper object/wrapper around the local storage for convenience:

"use strict";

var LocalStorage = function () {
    this.getValue = function (key) {
        return browser.executeScript("return window.localStorage.getItem('" + key + "');");
    };

    this.get = function () {
        browser.executeScript("return window.localStorage;");
    };

    this.clear = function () {
        browser.executeScript("return window.localStorage.clear();");
    };
};

module.exports = new LocalStorage();

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