Remove 'browserName' capability from stereotype when using RelaySession

[bhecquet]

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Description

Remove browserName capability from stereotype before merging requested capabilities and stereotype.

Motivation and Context

When using Selenium Grid relay with appium and trying to test a mobile application, if node declares a browserName in stereotype, this browserName is added to capabilities sent to appium
Solves issue #14216

Moreover, if the session would need a browser, browserName capability would be provided in session request

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes. (There are no tests for this class)
• All new and existing tests passed.

I've tested the change in the situation where the problem occured, and it's solved.

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PR Type

Bug fix

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Description

• Removed browserName capability from the stereotype in RelaySessionFactory to prevent conflicts with Appium tests when an app is provided.
• Ensured that for any other test, the browser should be provided in the session request.
• Imported necessary classes MutableCapabilities and CapabilityType to facilitate these changes.

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Changes walkthrough 📝

	Relevant files
Bug fix	RelaySessionFactory.java Remove browserName capability from stereotype in RelaySessionFactory java/src/org/openqa/selenium/grid/node/relay/RelaySessionFactory.java Imported MutableCapabilities and CapabilityType. Removed browserName capability from the stereotype to avoid conflicts with Appium tests. Merged the filtered stereotype with the session capabilities. +9/-1

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[qodo-code-review]

PR Reviewer Guide 🔍

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Key issues to review Possible Bug Setting CapabilityType.BROWSER_NAME to null might lead to unexpected behavior or errors downstream. It's generally safer to remove the capability if it's not needed rather than setting it to null.

[qodo-code-review]

PR Code Suggestions ✨

Category	Suggestion	Score
Possible bug	Add null check for stereotype to prevent potential null pointer exceptions To avoid potential null pointer exceptions and ensure type safety, consider checking if stereotype is non-null before creating MutableCapabilities from it. java/src/org/openqa/selenium/grid/node/relay/RelaySessionFactory.java [154] -MutableCapabilities filteredStereotype = new MutableCapabilities(stereotype); +if (stereotype != null) { + MutableCapabilities filteredStereotype = new MutableCapabilities(stereotype); + filteredStereotype.setCapability(CapabilityType.BROWSER_NAME, (String)null); +} Apply this suggestion Suggestion importance[1-10]: 9 Why: Adding a null check for stereotype is important to prevent potential null pointer exceptions, which can cause runtime errors. This improves the robustness of the code.	9
Best practice	Use removeCapability instead of setting to null for clarity Instead of explicitly setting the BROWSER_NAME capability to null, consider using a method that removes the capability if it exists. This approach might be more intuitive and align with common practices for modifying capabilities. java/src/org/openqa/selenium/grid/node/relay/RelaySessionFactory.java [155] -filteredStereotype.setCapability(CapabilityType.BROWSER_NAME, (String)null); +filteredStereotype.removeCapability(CapabilityType.BROWSER_NAME); Apply this suggestion Suggestion importance[1-10]: 8 Why: Using removeCapability is a clearer and more intuitive way to remove a capability, aligning with common practices and improving code readability.	8
Maintainability	Improve variable naming for better readability Consider using a more descriptive variable name for the filteredStereotype to reflect its purpose after removing the browserName capability. This will improve code readability and maintainability. java/src/org/openqa/selenium/grid/node/relay/RelaySessionFactory.java [154-155] -MutableCapabilities filteredStereotype = new MutableCapabilities(stereotype); -filteredStereotype.setCapability(CapabilityType.BROWSER_NAME, (String)null); +MutableCapabilities capabilitiesWithoutBrowserName = new MutableCapabilities(stereotype); +capabilitiesWithoutBrowserName.setCapability(CapabilityType.BROWSER_NAME, (String)null); Apply this suggestion Suggestion importance[1-10]: 7 Why: The suggestion improves code readability and maintainability by using a more descriptive variable name, which is beneficial for understanding the code's purpose. However, it is not crucial for functionality.	7
Enhancement	Add debug logging after merging capabilities for better traceability To ensure that the capabilities are correctly merged and no unintended modifications occur, consider adding a debug log statement after merging the capabilities. This can help in troubleshooting and verifying that the merge operation behaves as expected. java/src/org/openqa/selenium/grid/node/relay/RelaySessionFactory.java [157] capabilities = capabilities.merge(filteredStereotype); +LOG.debug("Capabilities after merge: " + capabilities); Apply this suggestion Suggestion importance[1-10]: 6 Why: Adding a debug log statement can help with troubleshooting and verifying the merge operation, but it is not essential for the functionality of the code.	6

[diemol]

Thank you, @bhecquet!