Click a button on a website using selenium

Question

I am trying to click a button on a website using selenium. Here's the html:

<form action="/login/" id="login" method="post" class="form-full-width">
   <input data-testid="loginFormSubmit" type="submit" class="btn btn-success btn-large" value="Log in" 
   tabindex="3">
</form>

Here's some of my code:

if __name__ == "__main__":
    driver = webdriver.Chrome()
    wait = WebDriverWait(driver, 100)
    driver.get ('https://www.url.com/login/')
    driver.find_element_by_name('username').send_keys('username')
    driver.find_element_by_name('password').send_keys('password')
    driver.find_elements_by_xpath("//input[@value='Log in' and @type='submit']")

I have also tried:

driver.find_element_by_value('log in').click()

driver.find_element_by_xpath("//a[@href='https://www.url.com/home/']").click()

However when I run it, it always comes up with this error message:

selenium.common.exceptions.NoSuchElementException: Message: no such element: Unable to locate element: {"method":"xpath","selector":"//a[@href='https://www.url.com/home/']"}

I am new to selenium and web drivers, so any help would be appreciated.

Try a capital L in Log in. The element is "Log in" and you are looking for "log in", so Selenium can't find it. Python is case-sensitive. — Krishnan Shankar
– Krishnan Shankar, Commented Jul 23, 2020 at 18:52
Nope, sorry, that was just an error in my question. Still doesn't work though- still comes up with the error message — Jack
– Jack, Commented Jul 23, 2020 at 18:57
the xpaths are incorrect. find_elements returns a list of element. You have to use find_element method if you are targeting only one element. You can try the following xpath - //input[@data-testid="loginFormSubmit"] — Sureshmani Kalirajan
– Sureshmani Kalirajan, Commented Jul 23, 2020 at 19:00

undetected Selenium · Accepted Answer · 2020-07-23 19:00:00Z

To click on the element you have to induce WebDriverWait for the element_to_be_clickable() and you can use either of the following Locator Strategies:

Using CSS_SELECTOR:

WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.CSS_SELECTOR, "input[data-testid='loginFormSubmit'][value='Log in']"))).click()

Using XPATH:

WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//input[@data-testid='loginFormSubmit' and @value='Log in']"))).click()

Note : You have to add the following imports:

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

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