Added more tests for core logic

[ramantsitou]

PR Details

Description

Related Issue

How Has This Been Tested

Checklist

• My code follows the code style of this project.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.23%. Comparing base (0b3bb11) to head (2957783).
⚠️ Report is 83 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #138      +/-   ##
==========================================
+ Coverage   77.71%   84.23%   +6.52%     
==========================================
  Files           7        7              
  Lines         184      184              
  Branches       44       41       -3     
==========================================
+ Hits          143      155      +12     
+ Misses         21       11      -10     
+ Partials       20       18       -2     

Flag	Coverage Δ
unittests	84.23% <ø> (+6.52%)	⬆️

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