Deselect Element by Index
Purpose
This action uses the Select class in Selenium WebDriver to deselect an option in a dropdown list by its index. It is designed to work with HTML <SELECT> elements that allow multiple selections (multiple="multiple").
Scenarios
Scenario 1
Title:
Deselect a specific option in a multi-select dropdown by its index
Test case link: TEST-8021 Deselect Element by Index
Scenario Overview:
A user needs to deselect a specific option in a dropdown based on its index. This scenario demonstrates how to use the "Deselect Element by Index" action to remove the selection from the desired option.
Steps to Follow:
- Open a webpage that contains a multi-select dropdown.
- Identify the dropdown element using attributes such as
idorclass. - Use the "Deselect Element by Index" action with the specified index of the option to be deselected.
- Verify that the option at the specified index is successfully deselected.
Actions:
- Input parameters:
- Element parameter: Provide the dropdown's attribute (e.g.,
id = multi-select-dropdown). - Selenium action:
deselect by index = 2.
- Element parameter: Provide the dropdown's attribute (e.g.,
Expected Result:
- The dropdown deselects the option at index 2.
Common Errors and Fixes:
- Error: The dropdown does not allow multiple selections.
- Fix: Ensure the
<SELECT>element has themultiple="multiple"attribute.
- Fix: Ensure the
Scenario 2
Title:
Attempt to deselect an option in a single-select dropdown
Test case link: TEST-8021 Deselect Single-Select Dropdown
Scenario Overview:
A user attempts to deselect an option in a dropdown that does not support multiple selections. This scenario demonstrates the behavior when the dropdown does not support multiple selections.
Steps to Follow:
- Open a webpage that contains a single-select dropdown.
- Identify the dropdown using attributes such as
idorclass. - Use the "Deselect Element by Index" action with the index of the option to deselect.
- Verify that an appropriate error message is displayed.
Actions:
- Input parameters:
- Element parameter: Provide the dropdown's attribute (e.g.,
id = single-select-dropdown). - Selenium action:
deselect by index = 1.
- Element parameter: Provide the dropdown's attribute (e.g.,
Expected Result:
- The action throws a
NotImplementedError, indicating that the dropdown does not support multiple selections.
Common Errors and Fixes:
- Error: The action fails with a
NotImplementedError.- Fix: Use the action only on
<SELECT>elements with themultiple="multiple"attribute.
- Fix: Use the action only on
Test Cases
Test Case for Scenario 1
Objective:
Ensure that an option in a multi-select dropdown is successfully deselected by its index.
Steps to Perform:
- Open a browser and navigate to a webpage containing a multi-select dropdown.
- Use the action with inputs:
- Element parameter:
id = multi-select-dropdown. - Selenium action:
deselect by index = 3.
- Element parameter:
- Verify that the option at index 3 has been deselected.
Expected Outcome:
- The option at index 3 has been deselected in the dropdown.
Test Case for Scenario 2
Objective:
Ensure that an appropriate error is thrown when attempting to use the action on a single-select dropdown.
Steps to Perform:
- Open a browser and navigate to a webpage containing a single-select dropdown.
- Use the action with inputs:
- Element parameter:
id = single-select-dropdown. - Selenium action:
deselect by index = 1.
- Element parameter:
- Verify that a
NotImplementedErroris thrown.
Expected Outcome:
- The action fails with a
NotImplementedError, indicating that the dropdown does not support multiple selections.
Additional Tips for this Action
- Ensure that the dropdown element supports multiple selections by checking for the
multiple="multiple"attribute. - Use unique identifiers, such as
idorclass, to accurately locate the dropdown element. - Test the action across different browsers to ensure consistent behavior.
Error Handling for Deselect Element by Index
Common Problems and Their Fixes
-
Problem: The dropdown does not support multiple selections.
Possible Cause: The<SELECT>element does not include themultiple="multiple"attribute.
How to Fix: Use the action only on dropdowns that support multiple selections. -
Problem: The element is not found.
Possible Cause: The attribute is incorrect, or the element is not visible.
How to Fix: Verify the element's properties and ensure it is visible on the page. -
Problem: The action fails unexpectedly.
Possible Cause: The issue may be caused by browser compatibility problems or dynamic changes in the webpage.
How to Fix: Test the action in different browsers and ensure that the dropdown's state is stable.