Add test cases

[anjalisoni3655]

• Add many unit tests for each function.
• Add e2e(end to end)/integration tests as well.

[Siddhant-K-code]

I am new to unit testing, can you pls guide me or give me a short example for implementing it for a function? it would good for the head start.

[anjalisoni3655]

I am new to unit testing, can you pls guide me or give me a short example for implementing it for a function? it would good for the head start.

Yah sure, for python unit tests, there is a unittests packages, similar for javascript, you will find the documentation online, also good tutorials in youtube
Let me know if you find some, or I will share with you.