javascript - Can a variable be passed to Playwright JS config in global-setup.js file? - Stack Overflow

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JS newbie here so please excuse any misconceptions I may have about JS or Playwright...

I have config.js file setup with projects and for each project I define custom variables (like login creds, etc.). How can I access these values in the global-setup.js file when I use the --project=ProjectName when I run the test?

I can use testInfo in tests to access these values, but can I access it in global-setup.js, since (as I understand it) is adds to the config object?

I am trying to use one global-setup file for login in with credentials from either one or another project, which are defined in the config.js file.

So I would run this: npx playwright test testFile.spec.js --project=FirstProject

The playwright.config.js file would have this setup:

  {
    name: "FirstProject",
    username: "blahblah",
    password: "blahblah",
  },

  {
    name: "SecondProject",
    username: "blahblah1",
    password: "blahblah1",
  }
]

And in global-setup.js I would like to check which project is being used in order to provide the correct credentials -- something like this:

module.exports = async config => {
const username = config.projects[${projectName}].username;
const password = config.projects[${projectName}].password;

Is this possible?

Thank you.

JS newbie here so please excuse any misconceptions I may have about JS or Playwright...

I have config.js file setup with projects and for each project I define custom variables (like login creds, etc.). How can I access these values in the global-setup.js file when I use the --project=ProjectName when I run the test?

I can use testInfo in tests to access these values, but can I access it in global-setup.js, since (as I understand it) is adds to the config object?

I am trying to use one global-setup file for login in with credentials from either one or another project, which are defined in the config.js file.

So I would run this: npx playwright test testFile.spec.js --project=FirstProject

The playwright.config.js file would have this setup:

  {
    name: "FirstProject",
    username: "blahblah",
    password: "blahblah",
  },

  {
    name: "SecondProject",
    username: "blahblah1",
    password: "blahblah1",
  }
]

And in global-setup.js I would like to check which project is being used in order to provide the correct credentials -- something like this:

module.exports = async config => {
const username = config.projects[${projectName}].username;
const password = config.projects[${projectName}].password;

Is this possible?

Thank you.

• javascript
• playwright

Share Improve this question Follow edited Mar 17, 2022 at 15:43 simi asked Mar 17, 2022 at 14:59 simisimi 1,55544 gold badges1212 silver badges1414 bronze badges

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1 Answer 1

Sorted by: Reset to default 4

The playwright documentation suggests you create a fixture. For instance, a file called my-test.js at the level of playwright.config.js:

// my-test.js
const base = require('@playwright/test');

exports.test = base.test.extend({
  // Define an option and provide a default value.
  // We can later override it in the config.
  person: [{username: 'john', password: 'john123'}, { option: true }],
});

Then inside playwright.config.js:

/**
 * @see https://playwright.dev/docs/test-configuration
 * @type {import('@playwright/test').PlaywrightTestConfig<{ person: { 
username: string; password: string } }>}
 */
const config = {
  projects: [
    {
      name: 'FirstProject',
      use: { person: {username: 'blahblah', password: 'blahblah'} },
    },
    {
      name: "SecondProject",
      use: { person: {username: 'blahblah1', password: 'blahblah1'} },
    }
  ]
}

Finally, you can use the fixture in the spec file:

// testFile.spec.js
const { test } = require('../my-test');
const { expect } = require('@playwright/test');

test('test 1', async ({ page, person }) => {
  await page.goto('https://example./');
  await page.fill('input[name="login"]', person.username);
  await page.fill('input[name="password"]', person.password);
});

In order to execute the test, use the cli:

npx playwright test testFile.spec.js --project=FirstProject

I tried the code and it worked for me. More information:

• Playwright docs: https://playwright.dev/docs/test-parameterize#parameterized-projects

• https://playwright.dev/docs/test-configuration#projects

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