How to check if radio button is selected in Selenium Python?

Selenium Python – Check if radio button is selected

In this tutorial, you will learn how to check if a radio button is selected in a group of related radio buttons using Selenium in Python.

To check if a radio button is selected in Selenium Python, find the radio button in the group which has been checked using XPath expression using find_element() method. If the method throws NoSuchElementException, then we can say that no radio button in the group has been selected. We can use try-except around find_element() method.

In the following code snippet, we use Python try except to check if any radio button is selected in the group of radio buttons with the name='radio-group-name' is

try:
    driver.find_element(By.XPATH, "//input[@type='radio' and @name='radio-group-name' and @checked]")
    print("Radio button is selected.")
except NoSuchElementException:
    print("Radio button is not selected.")

In the above XPath expression

  • //input returns all the elements with input tag.
  • @type='radio' filters only those elements that are radio buttons.
  • @name='radio-group-name' filters only those radio buttons whose name attribute has a value equal to 'radio-group-name'.
  • @checked further filters only those radio buttons that are checked.
  • driver.find_element() returns the first radio button from the filtered list.

You can get the value of the radio button using the following code.

selected_value = radio_button.get_attribute("value")

Examples

1. Example where Radio button is selected

In this example, we shall consider loading the HTML file at URL: https://pythonexamples.org/tmp/selenium/index-17.html. The contents of this HTML file is given below.

This webpage has a radio group for selecting your favorite subject, and the radio button with value="Mathematics" has already been checked in the HTML using checked attribute.

index.html

<html>
 <body>
  <h3>My Favourite Subject</h3>
  <form action="">
    <input type="radio" id="physics" name="fav_subject" value="Physics">
    <label for="physics">Physics</label><br>
    <input type="radio" id="mathematics" name="fav_subject" value="Mathematics" checked>
    <label for="mathematics">Mathematics</label><br>
    <input type="radio" id="chemistry" name="fav_subject" value="Chemistry">
    <label for="chemistry">Chemistry</label>
  </form>
 </body>
</html>
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Check if radio button is selected given radio button is selected

In the following program, we initialize a webdriver, navigate to a specific URL (index.html) that is running on a local server, and get the radio button with name equal to "fav_subject" and attribute checked.

We shall surround the code to get radio button in a Python try except statement to check if a radio button is selected or not. We shall print the result to standard output.

Python Program

from selenium import webdriver
from webdriver_manager.chrome import ChromeDriverManager
from selenium.webdriver.chrome.service import Service as ChromeService
from selenium.webdriver.common.by import By
from selenium.common.exceptions import NoSuchElementException

# Setup chrome driver
driver = webdriver.Chrome(service=ChromeService(ChromeDriverManager().install()))
driver.set_window_size(500, 400)

# Navigate to the url
driver.get('https://pythonexamples.org/tmp/selenium/index-17.html')

# Get the selected radio button
try:
    radio_button = driver.find_element(By.XPATH, "//input[@type='radio' and @name='fav_subject' and @checked]")
    print("Radio button is selected.")
except NoSuchElementException:
    # Exception occurs if there is no selected radio button
    print("Radio button is not selected.")

# Close the driver
driver.quit()
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Output

Radio button is selected.

2. Example where Radio button is not selected

In this example, we shall consider loading the HTML file at URL: https://pythonexamples.org/tmp/selenium/index-16.html. The contents of this HTML file is given below.

In this webpage, radio group is present, and no radio button is selected.

index.html

<html>
 <body>
  <h3>My Favourite Subject</h3>
  <form action="">
    <input type="radio" id="physics" name="fav_subject" value="Physics">
    <label for="physics">Physics</label><br>
    <input type="radio" id="mathematics" name="fav_subject" value="Mathematics">
    <label for="mathematics">Mathematics</label><br>
    <input type="radio" id="chemistry" name="fav_subject" value="Chemistry">
    <label for="chemistry">Chemistry</label>
  </form>
 </body>
</html>
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Check if radio button is selected given radio button is not selected

Python Program

from selenium import webdriver
from webdriver_manager.chrome import ChromeDriverManager
from selenium.webdriver.chrome.service import Service as ChromeService
from selenium.webdriver.common.by import By
from selenium.common.exceptions import NoSuchElementException

# Setup chrome driver
driver = webdriver.Chrome(service=ChromeService(ChromeDriverManager().install()))
driver.set_window_size(500, 400)

# Navigate to the url
driver.get('https://pythonexamples.org/tmp/selenium/index-16.html')

# Get the selected radio button
try:
    radio_button = driver.find_element(By.XPATH, "//input[@type='radio' and @name='fav_subject' and @checked]")
    print("Radio button is selected.")
except NoSuchElementException:
    # Exception occurs if there is no selected radio button
    print("Radio button is not selected.")

# Close the driver
driver.quit()
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Output

Radio button is not selected.

Summary

In this Python Selenium tutorial, we have given instructions on how to check if a radio button is selected or not, with example programs.

Quiz on Selenium

Q1. What is the method used to interact with web elements in Selenium Python?

Not answered

Q2. What is the method used to navigate back to the previous page in Selenium Python?

Not answered

Q3. What is the method used to take a screenshot in Selenium Python?

Not answered

Q4. Which of the following is not a commonly used web element locator in Selenium Python?

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Q5. What is the method used to select a value from a drop-down list in Selenium Python?

Not answered
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