Codspeed - performance benchmarks

[tony]

[!NOTE]

• [ ] Annotation needed for benchmark (BenchmarkFixture)

Problem

It's difficult to catch performance degradation or improvements over time, in a PR, etc.

Changes

Add performance benchmarks

TBD

Setup codpseed

Configure on website, set secret, etc.

py(deps[test]) Add pytest-codspeed

See also:

• https://pypi.org/project/pytest-codspeed/
• https://docs.codspeed.io/
• https://codspeed.io/

Summary by Sourcery

Add performance benchmarks using Codspeed. Integrate Codspeed into the CI workflow to automatically run performance tests and report results.

CI:

• Integrate Codspeed into the CI workflow to trigger performance tests on pull requests and pushes, and on demand via manual dispatch.

Tests:

• Add pytest-codspeed to enable performance testing.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 83.64780% with 26 lines in your changes missing coverage. Please review.

Project coverage is 64.09%. Comparing base (bc6e897) to head (4ac41d3).

Files with missing lines	Patch %	Lines
src/libvcs/pytest_plugin.py	80.30%	16 Missing and 10 partials :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #471      +/-   ##
==========================================
+ Coverage   63.85%   64.09%   +0.24%     
==========================================
  Files          40       40              
  Lines        3591     3724     +133     
  Branches      774      790      +16     
==========================================
+ Hits         2293     2387      +94     
- Misses        772      800      +28     
- Partials      526      537      +11     

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[tony]

@sourcery-ai review

[sourcery-ai[bot]]

Reviewer's Guide by Sourcery

This pull request introduces performance benchmarks using CodSpeed. It sets up CodSpeed configuration, adds the pytest-codspeed dependency, and integrates it into the testing workflow. A benchmark is added to the test_repo_git_obtain_initial_commit_repo test function.

Sequence diagram for benchmark execution flow

sequenceDiagram
    participant Dev as Developer
    participant CI as CI Pipeline
    participant CS as CodSpeed

    Dev->>CI: Push code changes
    activate CI
    CI->>CI: Run tests with pytest
    CI->>CI: Execute benchmarks
    CI->>CS: Send benchmark results
    activate CS
    CS->>CS: Analyze performance
    CS-->>Dev: Report performance changes
    deactivate CS
    deactivate CI

File-Level Changes

Change	Details	Files
Set up CodSpeed to collect performance benchmarks.	Added a CodSpeed test step to the GitHub Actions workflow. Added the pytest-codspeed Python dependency. Added a workflow_dispatch trigger to allow CodSpeed to perform backtests. Added necessary environment variables for CodSpeed integration. Added type overrides for pytest_codspeed in pyproject.toml	.github/workflows/tests.yml pyproject.toml
Added a performance benchmark to an existing test.	Added a benchmark to the test_repo_git_obtain_initial_commit_repo function using the BenchmarkFixture.	tests/sync/test_git.py

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