test(pytest): significantly increased amout of tests

[histrio]

No description provided.

[codecov-commenter]

Welcome to Codecov 🎉

Once you merge this PR into your default branch, you're all set! Codecov will compare coverage reports and display results in all future pull requests.

Thanks for integrating Codecov - We've got you covered ☂️

[Copilot]

Pull Request Overview

This PR significantly expands the test suite for pycouchdb by adding comprehensive pytest-based unit tests across all major components. The testing infrastructure was completely rewritten to use modern pytest fixtures and mocking patterns.

• Complete refactoring from the old functional tests to comprehensive unit test coverage
• Addition of extensive test coverage for all core modules (client, resource, utils, exceptions, feedreader)
• Implementation of proper pytest configuration with fixtures, markers, and CI integration improvements

Reviewed Changes

Copilot reviewed 13 out of 15 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
test/test_utils.py	Comprehensive unit tests for utility functions including URL handling, encoding, and data conversion
test/test_server.py	Complete test coverage for Server class including initialization, database operations, and changes feed
test/test_resource.py	Full test suite for Resource class covering HTTP operations, authentication, and error handling
test/test_functional.py	Legacy functional test file removed in favor of new comprehensive unit tests
test/test_feedreader.py	Tests for feed reader classes including inheritance and callback handling
test/test_exceptions.py	Tests for all exception classes and their inheritance hierarchy
test/test_database.py	Extensive Database class tests covering all CRUD operations, views, and attachments
test/integration/conftest.py	Integration test fixtures and configuration for CouchDB-dependent tests
test/integration/README.md	Documentation for running integration tests with CouchDB requirements
test/conftest.py	Shared pytest fixtures and configuration for unit tests
pyproject.toml	Updated pytest configuration with comprehensive testing dependencies and settings
README.md	Updated coverage badge to use codecov instead of coveralls
.github/workflows/main.yml	Restructured CI workflow with separate unit and integration test jobs plus coverage reporting

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}

[Copilot]

The title in the PR metadata contains a spelling error: 'amout' should be 'amount'.

[Copilot]

The file is opened in text mode but the fixture earlier writes bytes to the file. This will cause an encoding error. Either write text to the file or open it in binary mode with 'rb'.

Suggested change

	with open(str(att)) as f:
	with open(str(att), "rb") as f: