Unit Tests and CI Setup

[crupakheti]

What type of PR is this? (check all applicable)

• [x] Refactor
• [x] Feature
• [x] Bug Fix
• [x] Optimization
• [x] Documentation Update
• [ ] Dependency Update
• [ ] Release

Description

• Added unit tests
• Refactored code along the way

Related Tickets & Documents

• Related Issue #
• Closes #

Linting

Have you done linting by issuing pre-commit run --all-files command?

• [x] Yes
• [ ] No, I need help with linting

Testing

Have you run testing by issuing pytest command?

• [x] Yes
• [ ] No, I need help with writing tests

Documentation

Have you updated the README appropriate for this PR?

• [x] Yes
• [ ] No, README does not need any changes for this PR

Changelog

Have you updated the CHANGELOG with the changes you are making in this PR? Please use Added, Removed, and/or Changed subsections under the Unreleased section.

• [x] Yes
• [ ] No, I need help

Terms of Contribution

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[github-actions[bot]]

Coverage report

This PR does not seem to contain any modification to coverable code.