{"id":50434636,"url":"https://github.com/top-submissions/fullstackjs-testing-practice","last_synced_at":"2026-05-31T16:30:42.938Z","repository":{"id":331550054,"uuid":"1129329501","full_name":"top-submissions/fullstackjs-testing-practice","owner":"top-submissions","description":null,"archived":false,"fork":false,"pushed_at":"2026-01-10T07:11:40.000Z","size":71,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"main","last_synced_at":"2026-01-11T00:26:15.812Z","etag":null,"topics":["array-methods","babel","caesar-cipher","calculator","code-coverage","es6","fullstack-javascript","javascript","javascript-functions","jest","learning-project","nodejs","software-testing","string-manipulation","tdd","test-driven-development","testing","testing-practice","the-odin-project","unit-testing"],"latest_commit_sha":null,"homepage":null,"language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/top-submissions.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2026-01-07T00:02:07.000Z","updated_at":"2026-01-10T07:11:43.000Z","dependencies_parsed_at":null,"dependency_job_id":null,"html_url":"https://github.com/top-submissions/fullstackjs-testing-practice","commit_stats":null,"previous_names":["top-submissions/fullstackjs-testing-practice"],"tags_count":null,"template":false,"template_full_name":"top-submissions/template-js-console-app","purl":"pkg:github/top-submissions/fullstackjs-testing-practice","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/top-submissions%2Ffullstackjs-testing-practice","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/top-submissions%2Ffullstackjs-testing-practice/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/top-submissions%2Ffullstackjs-testing-practice/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/top-submissions%2Ffullstackjs-testing-practice/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/top-submissions","download_url":"https://codeload.github.com/top-submissions/fullstackjs-testing-practice/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/top-submissions%2Ffullstackjs-testing-practice/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":33739860,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-05-26T15:22:16.424Z","status":"online","status_checked_at":"2026-05-31T02:00:06.040Z","response_time":95,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["array-methods","babel","caesar-cipher","calculator","code-coverage","es6","fullstack-javascript","javascript","javascript-functions","jest","learning-project","nodejs","software-testing","string-manipulation","tdd","test-driven-development","testing","testing-practice","the-odin-project","unit-testing"],"created_at":"2026-05-31T16:30:42.318Z","updated_at":"2026-05-31T16:30:42.934Z","avatar_url":"https://github.com/top-submissions.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Testing Practice\n\n[![License](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)\n[![The Odin Project](https://img.shields.io/badge/The%20Odin%20Project-Lesson-red)](https://www.theodinproject.com/)\n\n\u003e A hands-on exploration of Test-Driven Development (TDD) using Jest as part of The Odin Project curriculum. This repository documents my learning journey through writing comprehensive unit tests for various JavaScript functions.\n\n## 📋 Table of Contents\n\n- [Testing Practice](#testing-practice)\n  - [📋 Table of Contents](#-table-of-contents)\n  - [✨ Features](#-features)\n  - [🚀 Getting Started](#-getting-started)\n    - [Prerequisites](#prerequisites)\n    - [Installation](#installation)\n    - [Running Tests](#running-tests)\n  - [💡 Future Improvements](#-future-improvements)\n  - [📚 What I Learned](#-what-i-learned)\n  - [🛠️ Technologies Used](#️-technologies-used)\n  - [🔗 Resources](#-resources)\n  - [🙏 Acknowledgments](#-acknowledgments)\n\n## ✨ Features\n\n- **String Utilities** - capitalize() and reverseString() functions with full test coverage\n- **Calculator Object** - Basic arithmetic operations (add, subtract, multiply, divide) with comprehensive tests\n- **Caesar Cipher** - Character shifting cipher with case preservation and wrapping logic\n- **Array Analysis** - Statistical analysis function returning average, min, max, and length\n- **Test-Driven Development** - All functions implemented using TDD methodology with Jest\n\n## 🚀 Getting Started\n\nWant to run this project locally? Here's how:\n\n### Prerequisites\n\n- Node.js (version 14 or higher)\n- npm (comes with Node.js)\n- Basic understanding of JavaScript and unit testing\n\n### Installation\n\n1. Clone the repository\n\n```bash\n   git clone https://github.com/top-submissions/fullstackjs-testing-practice.git\n   cd fullstackjs-testing-practice\n```\n\n1. Install dependencies\n\n```bash\n   npm install\n```\n\n1. Verify installation\n\n```bash\n   npm test\n```\n\n### Running Tests\n\nRun all tests:\n\n```bash\nnpm test\n```\n\nRun tests in watch mode:\n\n```bash\nnpm test -- --watch\n```\n\nRun tests with coverage:\n\n```bash\nnpm test -- --coverage\n```\n\n## 💡 Future Improvements\n\nIf I were to continue working on this project, here's what I'd add:\n\n- [ ] Add edge case tests for division by zero\n- [ ] Implement integration tests for combined function usage\n- [ ] Add performance benchmarks for array analysis with large datasets\n- [ ] Implement additional cipher algorithms (ROT13, Vigenère)\n- [ ] Add TypeScript support with type definitions\n- [ ] Create visual test coverage reports\n- [ ] Add continuous integration with GitHub Actions\n- [ ] Implement property-based testing with fast-check\n\n## 📚 What I Learned\n\n- **Test-Driven Development** - Writing tests first helps clarify requirements and leads to better code design\n- **Jest Framework** - Mastered Jest's testing syntax, matchers, and test organization with describe/test blocks\n- **Edge Case Handling** - Importance of testing boundary conditions, empty inputs, and invalid data\n- **Code Coverage** - Understanding what code coverage metrics mean and how to achieve comprehensive test coverage\n- **Modular Design** - Structuring code into small, testable functions with single responsibilities\n- **Array Methods** - Leveraging reduce(), map(), and spread operators for elegant solutions\n- **Character Encoding** - Working with character codes and ASCII values for the Caesar cipher implementation\n\n## 🛠️ Technologies Used\n\n- **Jest** - JavaScript testing framework\n- **Babel** - JavaScript transpiler for ES6+ support\n- **Node.js** - JavaScript runtime environment\n- **ES6 Modules** - Modern JavaScript module system\n\n## 🔗 Resources\n\n- [Jest Documentation](https://jestjs.io/docs/getting-started)\n- [The Odin Project - Testing Basics](https://www.theodinproject.com/lessons/node-path-javascript-testing-basics)\n- [The Odin Project - Testing Practice](https://www.theodinproject.com/lessons/node-path-javascript-testing-practice)\n- [MDN - Array Methods](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)\n\n## 🙏 Acknowledgments\n\n- **The Odin Project** - For providing an amazing free curriculum\n\n---\n\n\u003cdiv align=\"center\"\u003e\n\nBuilt with 💡 and ☕ as part of my journey through \u003ca href=\"https://www.theodinproject.com/\"\u003eThe Odin Project\u003c/a\u003e\n\n\u003c/div\u003e\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftop-submissions%2Ffullstackjs-testing-practice","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ftop-submissions%2Ffullstackjs-testing-practice","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftop-submissions%2Ffullstackjs-testing-practice/lists"}