Add some testings

[leehack]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 30.48%. Comparing base (2faa967) to head (2806650).
Report is 4 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main      #22       +/-   ##
===========================================
+ Coverage   18.89%   30.48%   +11.59%     
===========================================
  Files          14       14               
  Lines        2879     2883        +4     
===========================================
+ Hits          544      879      +335     
+ Misses       2335     2004      -331     

Flag	Coverage Δ
unittests	30.48% <100.00%> (+11.59%)	⬆️

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