const express = require('express'); const lanthan = require('lanthan'); const path = require('path'); const assert = require('power-assert'); const eventually = require('./eventually'); const Key = lanthan.Key; const newApp = () => { let app = express(); app.get('/', (req, res) => { res.send(` `); }); return app; }; describe("zoom test", () => { const port = 12321; let http; let firefox; let session; let browser; let tab; let body; before(async() => { http = newApp().listen(port); firefox = await lanthan.firefox(); await firefox.session.installAddon(path.join(__dirname, '..')); session = firefox.session; browser = firefox.browser; tab = (await browser.tabs.query({}))[0] }); after(async() => { if (firefox) { await firefox.close(); } http.close(); }); beforeEach(async() => { await session.navigateTo(`http://127.0.0.1:${port}`); body = await session.findElementByCSS('body'); }); it('should zoom in by zi', async () => { let before = await browser.tabs.getZoom(tab.id); await body.sendKeys('z', 'i'); await eventually(async() => { let actual = await browser.tabs.getZoom(tab.id); assert(before < actual); }); }); it('should zoom out by zo', async () => { let before = await browser.tabs.getZoom(tab.id); await body.sendKeys('z', 'o'); await eventually(async() => { let actual = await browser.tabs.getZoom(tab.id); assert(before > actual); }); }); it('scrolls left by h', async () => { await browser.tabs.setZoom(tab.id, 2); await body.sendKeys('z', 'z'); await eventually(async() => { let actual = await browser.tabs.getZoom(tab.id); assert(actual === 1); }); }); });