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I was wondering if there is a way to somehow pass a parameter to let your fixture or even all tests know which browser they are running in.

In my particular case, I would use that parameter to simply assign a corresponding value to a variable inside my tests.

For example, 

 switch(browser) { case 'chrome': chrome = 'chrome.com'; break; case 'firefox': link = 'firefox.com'; break; case 'safari': link = 'safari.com'; break; default: break; }

Currently, I was able to achieve something similar by adding a global node variable and it looks something like this:

"chrome": "BROWSER=1 node runner.js"

However, this makes me create a separate runner for every browser (safari-runner, chrome-runner etc.) and I would like to have everything in one place.

So at the end of the day, I would need to make this work:

const createTestCafe = require('testcafe'); let testcafe = null; createTestCafe('localhost', 1337, 1338) .then(tc => { testcafe = tc; const runner = testcafe.createRunner(); return runner .src('test.js') .browsers(['all browsers']) .run({ passBrowserId: true // I guess it would look something like this }); }) .then(failedCount => { console.log('Tests failed: ' + failedCount); testcafe.close(); }) .catch(error => { console.log(error); testcafe.close(); });
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There are several ways to get browser info:

  • Get navigator.userAgent from the browser using ClientFunction. Optionally you can use a module to parse an user agent string, for example: ua-parser-js.

    import { ClientFunction } from 'testcafe'; import uaParser from 'ua-parser-js'; fixture `get ua` .page `https://testcafe.devexpress.com/`; const getUA = ClientFunction(() => navigator.userAgent); test('get ua', async t => { const ua = await getUA(); console.log(uaParser(ua).browser.name); });

  • Use RequestLogger to obtain browser info. For example:

    import { RequestLogger } from 'testcafe'; const logger = RequestLogger('https://testcafe.devexpress.com/'); fixture `test` .page('https://testcafe.devexpress.com') .requestHooks(logger); test('test 1', async t => { await t.expect(logger.contains(record => record.response.statusCode === 200)).ok(); const logRecord = logger.requests[0]; console.log(logRecord.userAgent); });

  • The TestCafe team is working on the t.browserInfo function, which solves the issue in the future.

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Just to update this question, testcafe has now implemented t.browser, which will allow you to check the browser.name or browser.alias to determine which browser you're running in.

import { t } from 'testcafe'; const browserIncludes = b => t.browser.name.includes(b); const isBrowserStack = () => t.browser.alias.includes('browserstack'); fixture `test` .page('https://testcafe.devexpress.com') test('is Chrome?', async () => { console.log(t.browser.name); await t.expect(browserIncludes('Chrome').ok(); await t.expect(isBrowserStack()).notOk(); });
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