Added Input Validation tests and Imroved Modularity of code

[xatuke]

Description

Include a summary of the change and relevant motivation/context. List any dependencies that are required for this change.

Fixes #144

Type of Change:

Delete irrelevant options.

• Code
• Quality Assurance

Code/Quality Assurance Only

• New feature (non-breaking change which adds functionality)

GIF:

How Has This Been Tested?

They Don't break the app, yet :)

Checklist

• tests are included

[Lavanyagaur22]

@crowded-geek Good work! Keep it up 👍
Again not merging this because still some instances of the tasks are left. But I will surely do it after some time. Now you can actually work on issue no #170 because working on this issue will give you a pretty good idea of how the library is actually working. Task-related to it would soon be published and would be visible on your GCI dashboard. You can start working on this and claim the task after that. So that after you understand the library you can write the unit tests for it as well.

[xatuke]

@Lavanyagaur22 Okay, I'll work on #170 but before that I need to complete and submit some other tasks after them i'll do #170 :) Thanks ;)