Add comprehensive unit tests with Google Test, PETSc/MPI tests, functional BBPGD solver tests, and CI/CD pipeline with matrix testing#2

Merged

ManuelLerchner merged 16 commits intomainfrom

copilot/add-unit-tests-and-action

Dec 22, 2025

Commits on Dec 22, 2025

Initial plan
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Add Google Test infrastructure and initial unit tests

Copilot
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Add code coverage, GitHub Actions workflow, and test documentation

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Add comprehensive testing summary documentation

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Add tests for SpatialGrid, CollisionDetector, BBPGD solver, and Constraint classes

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Update documentation to reflect 127 total tests with new test coverage

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Add PETSc/MPI integration tests and main application build verification

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Delete TESTING_SUMMARY.md
ManuelLerchner
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Add MPI matrix testing (1, 4, 8 ranks) and PR review documentation

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Delete PR_REVIEW.md
ManuelLerchner
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Fix security issue, improve build system, add BBPGD convergence tests (153 total)

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Add functional BBPGD solver tests with quadratic function minimization (155 total)

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Update code/cpp/tests/README.md
ManuelLerchner
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Apply suggestion from @ManuelLerchner
ManuelLerchner
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Fix CI exit code issue: proper PETSc initialization and finalization (155 tests)

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Remove explicit exit 1 from GitHub Actions workflow

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