js_tgbrowser/inspect-session.js

Playwright helpers for connecting to TestGrid remote browsers via Selenium + CDP.

#!/usr/bin/env node

const { Builder, Capabilities } = require('selenium-webdriver');

async function inspectSession() {
  const remoteUrl = process.env.SELENIUM_REMOTE_URL;
  if (!remoteUrl) {
    console.error('SELENIUM_REMOTE_URL is not set');
    process.exitCode = 1;
    return;
  }

  let capabilities = {};
  if (process.env.SELENIUM_REMOTE_CAPABILITIES) {
    try {
      capabilities = JSON.parse(process.env.SELENIUM_REMOTE_CAPABILITIES);
    } catch (error) {
      console.error('Failed to parse SELENIUM_REMOTE_CAPABILITIES:', error);
      process.exitCode = 1;
      return;
    }
  }

  const builder = new Builder().forBrowser('chrome').usingServer(remoteUrl);
  if (Object.keys(capabilities).length) {
    builder.withCapabilities(capabilities);
  }

  let driver;
  try {
    driver = await builder.build();
    const session = await driver.getSession();
    const sessionId = session.getId();
    const caps = session.getCapabilities();
    console.log('Session Id:', sessionId);
    console.log('Capabilities (raw):', JSON.stringify(caps, null, 2));
    if (caps && typeof caps.toJSON === 'function') {
      console.log('Capabilities (json):', JSON.stringify(caps.toJSON(), null, 2));
    }

    const hubBase = remoteUrl.endsWith('/') ? remoteUrl : `${remoteUrl}/`;
    try {
      const sessionResponse = await fetch(`${hubBase}session/${sessionId}`);
      const sessionPayload = await sessionResponse.text();
      console.log('Session details payload:', sessionPayload);
    } catch (fetchError) {
      console.error('Failed to fetch session details from hub:', fetchError);
    }
  } catch (error) {
    console.error('Error while creating session:', error);
  } finally {
    if (driver) {
      try {
        await driver.quit();
      } catch (quitError) {
        console.error('Error while quitting session:', quitError);
      }
    }
  }
}

if (require.main === module) {
  inspectSession();
}

module.exports = inspectSession;