Add selective testing

[billingsley-john]

Proposed changes

PR which adds matrix testing to GitHub Actions to allow testing with different versions of CadQuery, depending on the branch merging.

Pull Requests to Develop - Test just using CQ2.1
Pull Requests to Main - Test using both CQ2.1 and CQ master

Also adds 'if' statement to run_tests.sh script which uses the include-neutronics true/false value to specify which tests should run in each case. This works as intended, however, true/false has not be included in the matrix testing as some non-neutronics scrips still have neutronics dependencies, causing some non-neutronics tests to fail when using the dockerfile built without the neutronics dependencies. This will be addressed in a future PR.

Types of changes

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• Bugfix (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 not work as expected)
• Code refactoring
• Documentation Update (if none of the other choices apply)
• New tests

Checklist

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• Pep8 applied
• Unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

Further comments

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[codecov]

Codecov Report

Merging #764 (02387e0) into develop (cf27ff1) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #764   +/-   ##
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  Coverage    95.38%   95.38%           
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  Files           72       72           
  Lines         4724     4724           
========================================
  Hits          4506     4506           
  Misses         218      218           

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[billingsley-john]

GitHub Actions only support one workflow per yml file. Two yml files are required to have separate workflows for PRs to main and develop.

[billingsley-john]

This is also ready for review @shimwell . What do you think of this?

[shimwell]

This is also ready for review @shimwell . What do you think of this?

Looks like a clever solution, congrats on that you found a nice approach. I see this can also do include neutronics=False at some point as well which could be handy

[shimwell]

Looks great, feel free to merge if ready

[billingsley-john]

This is also ready for review @shimwell . What do you think of this?

Looks like a clever solution, congrats on that you found a nice approach. I see this can also do include neutronics=False at some point as well which could be handy

Yes, that would be great to add. I've tried to outline the current problem with doing this in #777, but this can be looked into next