Increase tests for create_date_files

[larsevj]

No description provided.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.45%. Comparing base (06817f2) to head (f1ba11f).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #836      +/-   ##
==========================================
+ Coverage   82.79%   83.45%   +0.66%     
==========================================
  Files          49       49              
  Lines        7281     7283       +2     
==========================================
+ Hits         6028     6078      +50     
+ Misses       1253     1205      -48     

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[Copilot]

Pull Request Overview

This PR significantly enhances test coverage for the create_date_files functionality by adding comprehensive parametrized tests and simplifying the validation logic.

• Adds parametrized tests for CREATE_DATE_FILES parameter validation in ERT configuration
• Refactors existing tests to use pytest parametrize for better coverage and maintainability
• Simplifies the validation logic in CreateDateFiles forward model step by removing unnecessary class variables and streamlining error handling
• Adds proper handling of empty string arguments by converting them to None

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
tests/test_hook_implementations.py	Adds comprehensive parametrized tests for CREATE_DATE_FILES validation, refactors imports with alias, and introduces DEFAULT_CONFIG template
tests/test_create_date_files.py	Refactors multiple test functions into parametrized tests, adds extensive validation test cases, introduces fixture for sample YAML data, and adds multiple main() function test scenarios
src/subscript/hook_implementations/forward_model_steps.py	Simplifies validation logic by removing ClassVar usage, adds default_mapping for optional parameters, and streamlines error message formatting
src/subscript/create_date_files/create_date_files.py	Adds empty string to None conversion using or None pattern for proper argument handling

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[rnyb]

Nice