playwright/test/logger.spec.js

/**
 * Copyright (c) Microsoft Corporation.
 *
 * 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.
 */

const fs = require('fs');
const path = require('path');
const {FFOX, CHROMIUM, WEBKIT} = require('./utils').testOptions(browserType);

describe('Logger', function() {
  it('should log', async({browserType, defaultBrowserOptions}) => {
    const log = [];
    const browser = await browserType.launch({...defaultBrowserOptions, logger: {
      log: (name, severity, message) => log.push({name, severity, message}),
      isEnabled: (name, severity) => severity !== 'verbose'
    }});
    await browser.close();
    expect(log.length > 0).toBeTruthy();
    expect(log.filter(item => item.name.includes('browser')).length > 0).toBeTruthy();
    expect(log.filter(item => item.severity === 'info').length > 0).toBeTruthy();
    expect(log.filter(item => item.message.includes('<launching>')).length > 0).toBeTruthy();
  });
  it('should log context-level', async({browserType, defaultBrowserOptions}) => {
    const log = [];
    const browser = await browserType.launch(defaultBrowserOptions);
    const page = await browser.newPage({
      logger: {
        log: (name, severity, message) => log.push({name, severity, message}),
        isEnabled: (name, severity) => severity !== 'verbose'
      }
    });
    await page.setContent('<button>Button</button>');
    await page.click('button');
    await browser.close();

    expect(log.length > 0).toBeTruthy();
    expect(log.filter(item => item.message.includes('waiting for element')).length > 0).toBeTruthy();
  });
});