1529282 - Support searching for Nightly’s default path on macOS

Status: RESOLVED FIXED

(Testing :: Mozbase Rust, enhancement, P1)

Description

[Andreas Tolfsen ❲:ato❳]

mozrunner is able to suggest where Firefox is installed on the
system. This is used by geckodriver when a user creates a new
WebDriver session without specifying a binary path.

If Firefox stable is not installed, it would be useful if mozrunner
could look for Firefox Nightly and suggest that instead. The default
installation paths for Nightly on macOS are:

• /Applications/Firefox Nightly.app
• $HOME/Applications/Firefox Nightly.app

This would require a change to runner.rs:
https://searchfox.org/mozilla-central/rev/93905b660fc99a5d52b683690dd26471daca08c8/testing/mozbase/rust/mozrunner/src/runner.rs#329

It would be good if we could generalise this code so that we don’t
end up doing a four-level deep recursion but instead check against
a list. The list should be, in order:

1. /Applications/Firefox.app
2. $HOME/Applications/Firefox.app
3. /Applications/Firefox Nightly.app
4. $HOME/Applications/Firefox Nightly.app

Various documentation, such as
https://developer.mozilla.org/en-US/docs/Web/WebDriver/Capabilities/firefoxOptions
and
https://firefox-source-docs.mozilla.org/testing/geckodriver/Capabilities.html
should also be updated as part of this change.

Comment 1

[hafsa]

Hello! I'm an Outreachy applicant. Can I claim this bug ?

Comment 2

[Andreas Tolfsen ❲:ato❳]

(In reply to hafsa from comment #1)

Hello! I'm an Outreachy applicant. Can I claim this bug ?

Yes, you can work on this. The way this usually works is that you
submit a patch and then we assign the bug to you.

You will find a guide to get you prepared for Gecko development
here: https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide

And then there is more specific documentation to work with geckodriver
(which uses mozrunner) here:
https://firefox-source-docs.mozilla.org/testing/geckodriver/index.html#for-developers

I’m in #interop on irc.mozilla.org as "ato" if you have any questions
or doubts.

Comment 3

[hafsa]

Thank you! I will get started.

Comment 4

[Kriti Singh]

Hi! Since this is not active, I am starting to work on this. Thanks!

Comment 5

[Kriti Singh]

Attachment: Bug 1529282 - Support searching for Nightly’s default path on macOS. r=ato

Comment 6

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/mozilla-inbound/rev/b4485dab9976
mozrunner: support searching for Nightly’s default path on macOS. r=ato

Comment 7

[Cristian Brindusan [:cbrindusan]]

https://hg.mozilla.org/mozilla-central/rev/b4485dab9976