[Solved] What is the issue with this custom expected condition class? class ElementClickable: def __init__(self, locator): self.... What is the issue with this custom expected condition class? | Selenium Python

Selenium Python - Advanced Patterns

What is the issue with this custom expected condition class?

class ElementClickable:
    def __init__(self, locator):
        self.locator = locator
    def __call__(self, driver):
        element = driver.find_element(self.locator)
        return element.is_enabled() and element.is_displayed()

AThe class is missing an explicit wait inside __call__

BThe method __call__ should return the element instead of a boolean

CThe locator should be unpacked with *self.locator in find_element

DThe constructor should accept driver as a parameter

Step-by-Step Solution

Solution:

Step 1: Understand locator usage
In Selenium, locators are tuples like (By.ID, 'id'). The find_element method requires unpacking the tuple.
Step 2: Identify the error
Using driver.find_element(self.locator) passes the tuple as a single argument, causing an error.
Step 3: Correct usage
It should be driver.find_element(*self.locator) to unpack the tuple into separate arguments.
Final Answer:
The locator should be unpacked with *self.locator in find_element -> Option C
Quick Check:
Always unpack locator tuples with * [OK]

Quick Trick: Unpack locator tuples with * in find_element [OK]

Common Mistakes:

Passing locator tuple directly without unpacking
Returning boolean instead of element (not always required)
Expecting __call__ to include waits internally

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What is the issue with this custom expected condition class?

Step 1: Understand locator usage

Step 2: Identify the error

Step 3: Correct usage

Final Answer:

Quick Check:

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