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Use Headless Browsers: Running tests in headless mode (without a GUI) can significantly speed up web automation. Headless browsers, such as Chrome or Firefox in headless mode, consume fewer resources and run faster because they don’t need to render the user interface.
This is particularly useful for CI/CD pipelines and environments where graphical interfaces are unnecessary.
from selenium import webdriver
from selenium.webdriver.chrome.options import Options
options = Options()
options.headless = True # Run in headless mode
driver = webdriver.Chrome(options=options)
driver.get('https://www.example.com')
print(driver.title)
driver.quit()
To learn how to perform headless browser testing, follow this blog:
Parallel Testing: Running tests in parallel can drastically reduce the total time required for test execution. By distributing the test cases across multiple threads or processes, tests can run simultaneously, thus speeding up the overall testing process. This approach is especially effective for large test suites.
from selenium import webdriver
from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
from selenium.webdriver.common.by import By
from multiprocessing import Pool
def test_google_search():
driver = webdriver.Chrome()
driver.get('https://www.google.com')
search_box = driver.find_element(By.NAME, 'q')
search_box.send_keys('Parallel testing')
search_box.submit()
print(driver.title)
driver.quit()
if __name__ == '__main__':
with Pool(4) as p: # Run 4 tests in parallel
p.map(test_google_search, range(4))
Optimize Locators and Waits: Optimizing locators and waits can significantly enhance the speed of your web automation. Efficient locators, such as using By.CSS_SELECTOR or By.XPATH, ensure quicker identification of web elements. Additionally, using explicit waits (WebDriverWait) instead of implicit waits can reduce unnecessary delays, as the script waits only as long as necessary for a condition to be met. This approach improves the efficiency and speed of test execution.
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
driver = webdriver.Chrome()
driver.get('https://www.example.com')
# Use efficient locators
element = WebDriverWait(driver, 10).until(
EC.presence_of_element_located((By.CSS_SELECTOR, 'div.example-class'))
)
print(element.text)
driver.quit()
To learn more about locators in Selenium and Selenium Waits, follow the given blog links and get your Selenium concepts clear.
Locators in Selenium :