Playwright and Pytest

Install Pytest Plugin

pip install pytest-playwright

Install the required browsers

playwright install

test_example.py

test example

Running the Example Test

pytest

Using Test Hooks

import pytest
from playwright.sync_api import Page, expect

@pytest.fixture(scope="function", autouse=True)
def before_each_after_each(page: Page):
    
    print("before the test runs")

    # Go to the starting url before each test.
    page.goto("https://playwright.dev/")
    yield
    
    print("after the test runs")

def test_main_navigation(page: Page):
    # Assertions use the expect API.
    expect(page).to_have_url("https://playwright.dev/")

Running tests headed

pytest --headed

Running tests on different browsers and multiple browser

pytest --browser webkit

pytest --browser webkit --browser firefox

Running specific tests

pytest test_login.py

To run a set of test files pass in the names of the test files that you want to run.

pytest tests/test_todo_page.py tests/test_landing_page.py

To run a specific test pass in the function name of the test you want to run.

pytest -k test_add_a_todo_item

Run tests in Parallel

pytest --numprocesses 2