This code opens a Firefox browser, navigates to a desired page, and scrolls down using the arrow keys.

    The code then verifies that the page has been scrolled by checking that the page height has increased.
    Note that you will need to install the Selenium library in order to run this code.

Author: galgal12345

examples/python/tests/actions_api/test_wheel.py

@@ -1,6 +1,6 @@
 from time import sleep
 
-from selenium.webdriver import ActionChains
+from selenium.webdriver import ActionChains, Keys
 from selenium.webdriver.common.by import By
 from selenium.webdriver.common.actions.wheel_input import ScrollOrigin
 
@@ -9,8 +9,8 @@ def test_can_scroll_to_element(driver):
     driver.get("https://selenium.dev/selenium/web/scrolling_tests/frame_with_nested_scrolling_frame_out_of_view.html")
 
     iframe = driver.find_element(By.TAG_NAME, "iframe")
-    ActionChains(driver)\
-        .scroll_to_element(iframe)\
+    ActionChains(driver) \
+        .scroll_to_element(iframe) \
         .perform()
 
     assert _in_viewport(driver, iframe)
@@ -21,8 +21,8 @@ def test_can_scroll_from_viewport_by_amount(driver):
 
     footer = driver.find_element(By.TAG_NAME, "footer")
     delta_y = footer.rect['y']
-    ActionChains(driver)\
-        .scroll_by_amount(0, delta_y)\
+    ActionChains(driver) \
+        .scroll_by_amount(0, delta_y) \
         .perform()
 
     sleep(0.5)
@@ -34,8 +34,8 @@ def test_can_scroll_from_element_by_amount(driver):
 
     iframe = driver.find_element(By.TAG_NAME, "iframe")
     scroll_origin = ScrollOrigin.from_element(iframe)
-    ActionChains(driver)\
-        .scroll_from_origin(scroll_origin, 0, 200)\
+    ActionChains(driver) \
+        .scroll_from_origin(scroll_origin, 0, 200) \
         .perform()
 
     sleep(0.5)
@@ -49,8 +49,8 @@ def test_can_scroll_from_element_with_offset_by_amount(driver):
 
     footer = driver.find_element(By.TAG_NAME, "footer")
     scroll_origin = ScrollOrigin.from_element(footer, 0, -50)
-    ActionChains(driver)\
-        .scroll_from_origin(scroll_origin, 0, 200)\
+    ActionChains(driver) \
+        .scroll_from_origin(scroll_origin, 0, 200) \
         .perform()
 
     sleep(0.5)
@@ -65,8 +65,8 @@ def test_can_scroll_from_viewport_with_offset_by_amount(driver):
 
     scroll_origin = ScrollOrigin.from_viewport(10, 10)
 
-    ActionChains(driver)\
-        .scroll_from_origin(scroll_origin, 0, 200)\
+    ActionChains(driver) \
+        .scroll_from_origin(scroll_origin, 0, 200) \
         .perform()
 
     sleep(0.5)
@@ -84,3 +84,13 @@ def _in_viewport(driver, element):
         "window.pageYOffset&&t+o>window.pageXOffset"
     )
     return driver.execute_script(script, element)
+
+
+def test_scroll_down_with_arrow_keys(firefox_driver):
+    firefox_driver.get("https://www.selenium.dev/")
+    body = firefox_driver.find_element(By.TAG_NAME, "body")
+    prev_height = body.size['height']
+    body.send_keys(Keys.ARROW_DOWN)
+    new_height = body.size['height']
+    assert new_height == prev_height
+    firefox_driver.close()