e2e/zoom.test.ts


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import * as path from 'path';
import * as assert from 'assert';

import eventually from './eventually';
import { Builder, Lanthan } from 'lanthan';
import { WebDriver } from 'selenium-webdriver';
import Page from './lib/Page';

describe("zoom test", () => {
  let lanthan: Lanthan;
  let webdriver: WebDriver;
  let browser: any;
  let tab: any;
  let page: Page;

  before(async() => {
    lanthan = await Builder
      .forBrowser('firefox')
      .spyAddon(path.join(__dirname, '..'))
      .build();
    webdriver = lanthan.getWebDriver();
    browser = lanthan.getWebExtBrowser();
    tab = (await browser.tabs.query({}))[0];
    page = await Page.currentContext(webdriver);
  });

  after(async() => {
    await lanthan.quit();
  });

  beforeEach(async() => {
    await webdriver.navigate().to('about:blank');
  });

  it('should zoom in by zi', async () => {
    const before = await browser.tabs.getZoom(tab.id);
    await page.sendKeys('zi');

    await eventually(async() => {
      const actual = await browser.tabs.getZoom(tab.id);
      assert.ok(before < actual);
    });
  });

  it('should zoom out by zo', async () => {
    const before = await browser.tabs.getZoom(tab.id);
    await page.sendKeys('zo');

    await eventually(async() => {
      const actual = await browser.tabs.getZoom(tab.id);
      assert.ok(before > actual);
    });
  });

  it('should reset zoom by zz', async () => {
    await browser.tabs.setZoom(tab.id, 2);
    await page.sendKeys('zz');

    await eventually(async() => {
      const actual = await browser.tabs.getZoom(tab.id);
      assert.strictEqual(actual, 1);
    });
  });
});