Implement Unit Tests for Encryption and Decryption Logic

[selfmadecode]

Currently, there is a lack of a comprehensive suite of unit tests to validate the correctness of the encryption and decryption logic.

[kenelight4u]

I pick this Task up

[selfmadecode]

alright @kenelight4u let me know if you need any assistance, also please create the test project outside the src folder

[selfmadecode]

this requires a lot of moving pieces, we will work on this together and restructure the codebase to accommodate this feature

[selfmadecode]

PR to restructure codebase here, @kenelight4u you can review the changes and start working on this issue. PR will be merged to dev soon

[kenelight4u]

okay, Noted