ui/src/test/zoom.test.ts

// Copyright (C) 2024 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import {test, Page} from '@playwright/test';
import {PerfettoTestHelper} from './perfetto_ui_test_helper';

test.describe.configure({mode: 'serial'});

let pth: PerfettoTestHelper;
let page: Page;

test.beforeAll(async ({browser}, _testInfo) => {
  page = await browser.newPage();
  pth = new PerfettoTestHelper(page);
  await pth.openTraceFile('api34_startup_cold.perfetto-trace');
});

test('zoom in', async () => {
  page.evaluate('document.body.style.zoom=2.0');
  await pth.waitForIdleAndScreenshot('zoomed_in.png');
});

test('zoom out', async () => {
  page.evaluate('document.body.style.zoom=0.5');
  await pth.waitForIdleAndScreenshot('zoomed_out.png');
});