test: Add tests for CLI

[Stranger6667]

No description provided.

[codspeed-hq]

CodSpeed Performance Report

Merging #518 will not alter performance

_{Comparing dd/add-cli-tests (8831562) with master (18054da)}

Summary

✅ 17 untouched benchmarks

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.48%. Comparing base (18054da) to head (8831562).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #518      +/-   ##
==========================================
+ Coverage   85.01%   85.48%   +0.47%     
==========================================
  Files          69       69              
  Lines       10568    10568              
==========================================
+ Hits         8984     9034      +50     
+ Misses       1584     1534      -50     

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