How to do xpath "and" / condition query correctly?

Question

I am trying to set a checkmark on the prime option on amazon.fr.

Here is the link (the prime option is on the left): https://www.amazon.fr/gp/browse.html?node=2036893031.

Here is an image that shows the field I want to checkmark: https://ibb.co/ZY3mK3Z

I have it almost working. But it does not work for all amazon-categories, that’s why I added the "and"-operator. Here is my xpath-query:

driver = webdriver.Chrome()
driver.get(category_url)
driver.find_element_by_xpath('//*[@id="leftNav"]/h4[text()="%s"]/following-sibling::ul//input[contains(@name, "s-ref-checkbox-")] and //*[@id="leftNav"]/h4[text()="%s"]/following-sibling::ul//input[contains(@name, "s-ref-checkbox-")]//i[contains(@class, "icon-prime")]' % ("Option d'expédition", "Option d'expédition"))
driver.click()

How can I format my query correctly? Is the and operator even necessary? I get the following error message:

TypeError: Failed to execute ‘evaluate’ on ‘Document’: The result is
not a node set, and therefore cannot be converted to the desired type.

Asked By: Wramana

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Source

Answer 1

I think you are trying to click without passing the WebElement.
You can find the checkbox based on the position of Prime label next to it.

Try the following xpath,

myprime = driver.find_element_by_xpath("//*[contains(@class,'icon-prime a-icon-small s-ref-text-link')]/parent::span/parent::label/input")
myprime.click();

Answered By: Sureshmani Kalirajan

Answer 2

I just tried the XPath below and it uniquely located the element

//label[.//i[contains(@class, 'a-icon-prime')]]/input
^ find a LABEL tag
       ^ that has a child I tag
            ^ that contains the class 'a-icon-prime' (indicating the prime logo)
                                               ^ then find an INPUT under the LABEL

Answered By: JeffC

Answer 3

The minimal working XPath locator would be:

//i[contains(@class,'small') and contains(@class,'prime')]

For better robustness and reliability I would recommend wrapping it into an Explicit Wait like:

prime = WebDriverWait(driver, 10).until(
    expected_conditions.presence_of_element_located((By.XPATH, "//i[contains(@class,'small') and contains(@class,'prime')]")))
prime.click()

More information: How to use Selenium to test web applications using AJAX technology

Answered By: Dmitri T

How to do xpath "and" / condition query correctly?

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