How do I dynamically generate multiple tests using fixture data in Playwright Test with TypeScript?


Sure, let's dive into how you can loop through fixture data and create new tests in TypeScript using @playwright/test.

First, you need to define your fixtures. Let's say you have a fixture called dataFixture that provides an array of data for your tests:

import { test as base } from '@playwright/test';

const test = base.extend<{ dataFixture: string[] }>({
  dataFixture: [async ({}, use) => {
    const data = ['test1', 'test2', 'test3']; // Replace with your actual fixture data
    await use(data);

In this example, dataFixture is an async function that provides an array of strings.

Next, you can use the fixture value in your tests by including it as a parameter in your test functions:

test('example test', async ({ dataFixture }) => {
  for (const item of dataFixture) {
    console.log(`Running test for ${item}`);
    // ... Your test logic here ...

Inside the test function, you can loop through the dataFixture and create new tests based on each item in the fixture. You can perform assertions or actions specific to each test case using the current item.

By running this code, Playwright Test will automatically generate separate tests for each item in the dataFixture. The output will show individual results for each generated test.

Remember to replace 'test1', 'test2', 'test3' with your actual fixture data.

This approach allows you to dynamically generate multiple tests based on the data provided by the fixture. You can customize each test case within the loop to suit your specific testing needs.


Thank you!
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Rayrun is a community for QA engineers. I am constantly looking for new ways to add value to people learning Playwright and other browser automation frameworks. If you have feedback, email luc@ray.run.