01_abtesting.py

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC


driver = webdriver.Firefox()
try:
    wait = WebDriverWait(driver, 10)
    driver.get('https://the-internet.herokuapp.com/');
   
    ab_testing_link = wait.until(EC.presence_of_element_located(
        (By.LINK_TEXT, "A/B Testing")
    ))

    ab_testing_link.click()

    text_to_be_present = "Also known as split testing. This is a way in which businesses are able to simultaneously test and learn different versions of a page to see which text and/or functionality works best towards a desired outcome (e.g. a user action such as a click-through)."

    text_element = wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, 'p')))
    assert text_to_be_present in text_element.text

    driver.back()

    main_page_header = wait.until(EC.presence_of_element_located(
        (By.CLASS_NAME, 'heading')
    ))

    main_header_text = "Welcome to the-internet"
    assert main_header_text in main_page_header.text

finally:
    driver.quit()