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/* jshint expr: true */
const expect = chai.expect;
import * as WebUtil from '../app/webutil.js';
describe('WebUtil', function () {
"use strict";
describe('settings', function () {
describe('localStorage', function () {
let chrome = window.chrome;
before(function () {
chrome = window.chrome;
window.chrome = null;
});
after(function () {
window.chrome = chrome;
});
let origLocalStorage;
beforeEach(function () {
origLocalStorage = Object.getOwnPropertyDescriptor(window, "localStorage");
if (origLocalStorage === undefined) {
// Object.getOwnPropertyDescriptor() doesn't work
// properly in any version of IE
this.skip();
}
Object.defineProperty(window, "localStorage", {value: {}});
if (window.localStorage.setItem !== undefined) {
// Object.defineProperty() doesn't work properly in old
// versions of Chrome
this.skip();
}
window.localStorage.setItem = sinon.stub();
window.localStorage.getItem = sinon.stub();
window.localStorage.removeItem = sinon.stub();
return WebUtil.initSettings();
});
afterEach(function () {
Object.defineProperty(window, "localStorage", origLocalStorage);
});
describe('writeSetting', function () {
it('should save the setting value to local storage', function () {
WebUtil.writeSetting('test', 'value');
expect(window.localStorage.setItem).to.have.been.calledWithExactly('test', 'value');
expect(WebUtil.readSetting('test')).to.equal('value');
});
});
describe('setSetting', function () {
it('should update the setting but not save to local storage', function () {
WebUtil.setSetting('test', 'value');
expect(window.localStorage.setItem).to.not.have.been.called;
expect(WebUtil.readSetting('test')).to.equal('value');
});
});
describe('readSetting', function () {
it('should read the setting value from local storage', function () {
localStorage.getItem.returns('value');
expect(WebUtil.readSetting('test')).to.equal('value');
});
it('should return the default value when not in local storage', function () {
expect(WebUtil.readSetting('test', 'default')).to.equal('default');
});
it('should return the cached value even if local storage changed', function () {
localStorage.getItem.returns('value');
expect(WebUtil.readSetting('test')).to.equal('value');
localStorage.getItem.returns('something else');
expect(WebUtil.readSetting('test')).to.equal('value');
});
it('should cache the value even if it is not initially in local storage', function () {
expect(WebUtil.readSetting('test')).to.be.null;
localStorage.getItem.returns('value');
expect(WebUtil.readSetting('test')).to.be.null;
});
it('should return the default value always if the first read was not in local storage', function () {
expect(WebUtil.readSetting('test', 'default')).to.equal('default');
localStorage.getItem.returns('value');
expect(WebUtil.readSetting('test', 'another default')).to.equal('another default');
});
it('should return the last local written value', function () {
localStorage.getItem.returns('value');
expect(WebUtil.readSetting('test')).to.equal('value');
WebUtil.writeSetting('test', 'something else');
expect(WebUtil.readSetting('test')).to.equal('something else');
});
});
// this doesn't appear to be used anywhere
describe('eraseSetting', function () {
it('should remove the setting from local storage', function () {
WebUtil.eraseSetting('test');
expect(window.localStorage.removeItem).to.have.been.calledWithExactly('test');
});
});
});
describe('chrome.storage', function () {
let chrome = window.chrome;
let settings = {};
before(function () {
chrome = window.chrome;
window.chrome = {
storage: {
sync: {
get(cb) { cb(settings); },
set() {},
remove() {}
}
}
};
});
after(function () {
window.chrome = chrome;
});
const csSandbox = sinon.createSandbox();
beforeEach(function () {
settings = {};
csSandbox.spy(window.chrome.storage.sync, 'set');
csSandbox.spy(window.chrome.storage.sync, 'remove');
return WebUtil.initSettings();
});
afterEach(function () {
csSandbox.restore();
});
describe('writeSetting', function () {
it('should save the setting value to chrome storage', function () {
WebUtil.writeSetting('test', 'value');
expect(window.chrome.storage.sync.set).to.have.been.calledWithExactly(sinon.match({ test: 'value' }));
expect(WebUtil.readSetting('test')).to.equal('value');
});
});
describe('setSetting', function () {
it('should update the setting but not save to chrome storage', function () {
WebUtil.setSetting('test', 'value');
expect(window.chrome.storage.sync.set).to.not.have.been.called;
expect(WebUtil.readSetting('test')).to.equal('value');
});
});
describe('readSetting', function () {
it('should read the setting value from chrome storage', function () {
settings.test = 'value';
expect(WebUtil.readSetting('test')).to.equal('value');
});
it('should return the default value when not in chrome storage', function () {
expect(WebUtil.readSetting('test', 'default')).to.equal('default');
});
it('should return the last local written value', function () {
settings.test = 'value';
expect(WebUtil.readSetting('test')).to.equal('value');
WebUtil.writeSetting('test', 'something else');
expect(WebUtil.readSetting('test')).to.equal('something else');
});
});
// this doesn't appear to be used anywhere
describe('eraseSetting', function () {
it('should remove the setting from chrome storage', function () {
WebUtil.eraseSetting('test');
expect(window.chrome.storage.sync.remove).to.have.been.calledWithExactly('test');
});
});
});
});
});
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