Password Validation CLI Tool

This is a Python-based CLI (Command-Line Interface) tool for validating passwords against specific criteria. The tool provides instant feedback on whether the entered password is valid or not and includes tests to ensure robust functionality.

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Features

• Validate passwords interactively via CLI.
• Ensures the following password criteria are met:
  • More than 8 characters long.
  • At least one uppercase letter.
  • At least one lowercase letter.
  • At least one digit.
  • At least one underscore (_).
• Includes tests to validate functionality using pytest.
• Clear and color-coded feedback for user experience.

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Requirements

• Python 3.8 or higher
• pip3 for package management

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Installation

1. Clone this repository:

   git clone https://github.com/espedzhev/password_validation_task
   cd password_validation_task
   

2. Create and activate a virtual environment: python3 -m venv .venv source .venv/bin/activate

3. Install the required dependencies pip3 install -r requirements.txt

4. For API npm install npm run build:ts

Usage

Cli

python app/cli.py

Example Workflow

Password Validation Criteria:
- Must be more than 8 characters long
- Must contain at least one uppercase letter
- Must contain at least one lowercase letter
- Must contain at least one digit
- Must contain at least one underscore (_)

Enter your password: ********
Confirm your password: ********

Validating your password...
✅ Your password is valid!

Testing

pytest

Example Test Output

============================= test session starts ==============================
platform linux -- Python 3.12.7, pytest-8.3.3, pluggy-1.5.0
rootdir: /path/to/project
collected 11 items

app/tests/test_api.py ...                                              [ 21%]
app/tests/test_cli.py ....                                             [ 50%]
app/tests/test_validation.py .......                                   [100%]

============================== 14 passed in 0.36s  ===============================

API

`uvicorn app.main:app`

• http://127.0.0.1:8000 webinterface
• http://127.0.0.1:8000/docs swagger ui