feat addded jest tests for new functionality

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 91.90%. Comparing base (3eff9d9) to head (e1f4d49). Report is 44 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #169 +/- ## ========================================== - Coverage 93.70% 91.90% -1.80% ========================================== Files 12 15 +3 Lines 143 173 +30 Branches 19 16 -3 ========================================== + Hits 134 159 +25 - Misses 9 14 +5 ```

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