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selenium-python-project/
├── tests/
│ ├── test_login.py
│ ├── test_checkout.py
│ └── __init__.py
├── pages/
│ ├── login_page.py
│ ├── checkout_page.py
│ └── __init__.py
├── utils/
│ ├── driver_factory.py
│ ├── config.py
│ └── __init__.py
├── reports/
│ └── (test reports here)
├── conftest.py
├── requirements.txt
└── pytest.ini
utils/driver_factory.py creates and configures Selenium WebDriver instances, including headless mode setup.pages/ contains classes representing web pages with methods to interact with page elements.tests/ holds test scripts using pytest that call page objects and driver instances.utils/config.py manages environment variables, browser options, and credentials.pytest.ini and conftest.py handle test setup, fixtures, and command-line options.reports/ stores test execution reports for CI visibility.Use environment variables and pytest command-line options to control headless mode and browser choice.
# utils/driver_factory.py
from selenium import webdriver
from selenium.webdriver.chrome.options import Options
import os
def create_driver():
options = Options()
if os.getenv('HEADLESS', 'true').lower() == 'true':
options.add_argument('--headless=new') # Use new headless mode in Chrome 109+
options.add_argument('--disable-gpu')
options.add_argument('--window-size=1920,1080')
driver = webdriver.Chrome(options=options)
return driver
# conftest.py
import pytest
from utils.driver_factory import create_driver
@pytest.fixture(scope='function')
def driver():
driver = create_driver()
yield driver
driver.quit()
Set HEADLESS=true in CI environment variables to run tests without opening a browser window.
pytest-html or pytest-junitxml to generate HTML or XML reports.HEADLESS=true environment variable.
# Example GitHub Actions snippet
jobs:
test:
runs-on: ubuntu-latest
env:
HEADLESS: 'true'
steps:
- uses: actions/checkout@v3
- name: Set up Python
uses: actions/setup-python@v4
with:
python-version: '3.12'
- name: Install dependencies
run: |
python -m pip install --upgrade pip
pip install -r requirements.txt
- name: Run tests
run: |
pytest --junitxml=reports/results.xml
- name: Upload test report
uses: actions/upload-artifact@v3
with:
name: test-report
path: reports/
Where in this folder structure would you add a new browser option to run Firefox in headless mode?
headless mode on a Continuous Integration (CI) server?from selenium import webdriver
options = webdriver.FirefoxOptions()
options.add_argument('--headless')
driver = webdriver.Firefox(options=options)
driver.get('https://example.com')
title = driver.title
driver.quit()
print(title)options = webdriver.ChromeOptions()
options.add_argument('--headless')
driver = webdriver.Chrome(options=options)
driver.get('https://example.com')
What is the most likely cause and fix?Pass the test and this pattern moves unknown strong while earning +1 Grip toward your certificate.