Refactor: Fix brittle sys.path imports in test_validators

[Goldyeti2006]

Summary

Removes manual sys.path.append modification in test_validators.py.

Changes

• Removed sys and os imports used for path manipulation.
• Tests now run correctly using the standard discovery command: python -m unittest discover tests.

Verification

• Ran tests locally and confirmed they pass without errors.

"Note: This fix is built on top of PR #50."

[gemini-code-assist]

Summary of Changes

Hello @Goldyeti2006, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request establishes a foundational Flask-based web application designed for managing images. It provides essential features such as user management, a secure image upload mechanism that includes metadata capture, and a browsable image gallery. The changes also introduce a set of specialized utility functions for robust file validation and image processing, which are critical for maintaining data integrity and security. Furthermore, a comprehensive suite of unit tests has been added to verify the correctness and resilience of these newly implemented validation components.

Highlights

• New Flask Application Structure: Introduced a complete Flask application under the bhv/ directory, encompassing core components like app.py, models.py, forms.py, and dedicated utility modules for validation and image processing.
• Image Management Features: Implemented functionalities for user authentication (with a default user setup), secure image uploading with titles and descriptions, and a dynamic gallery to display uploaded content.
• Enhanced Security and Validation: Integrated robust file validation and image processing utilities, including checks for allowed file types, size limits, filename sanitization, and unique filename generation, alongside security measures like environment variable for SECRET_KEY and path traversal prevention.
• Comprehensive Unit Testing: Added a dedicated unit test suite for the file validation functions, covering various scenarios and edge cases to ensure the reliability and correctness of critical file handling logic.

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[gemini-code-assist]

Code Review

This pull request is a substantial addition, introducing a new Flask application, rather than just fixing an import path as the title suggests. While the test import fix is correct, the new application code has several critical security vulnerabilities and maintainability issues that need to be addressed. My review focuses on these key areas:

• Security: There are critical vulnerabilities related to a hardcoded SECRET_KEY and the automatic creation of a default user with a weak, hardcoded password.
• Code Structure: There is significant code duplication between app.py, models.py, and forms.py, which will make maintenance difficult.
• Maintainability: The templates make extensive use of inline styles, which should be moved to external CSS files. Also, error logging should use the application logger instead of print().

[mdxabu]

@Goldyeti2006, fix those Gemini's suggested comments!

[Goldyeti2006]

@mdxabu I have resolved all the previous errors and put in the new commit