chore: add admin tests

[fsbraun]

Summary by Sourcery

Add comprehensive test coverage for djangocms_stories admin, managers, and template tags, and for djangocms_blog managers; clean up manager methods and test factories

Enhancements:

• Remove deprecated published methods from GenericDateTaggedManager and add docstrings to convenience methods

Tests:

• Add extensive djangocms_stories admin tests covering PostAdmin, ConfigAdmin, CategoryAdmin, SiteListFilter, and extension registration
• Add comprehensive tests for djangocms_blog managers covering tag filtering, site filtering, date aggregation, and version-aware querysets
• Add tests for djangocms_stories template tags including namespace_url, media_plugins, media_images, and absolute_url

Chores:

• Remove default_site fixture from test factories to eliminate hardcoded Site dependency

[sourcery-ai]

Reviewer's Guide

This PR significantly expands test coverage across the admin interface, model managers, and template tags, and cleans up the GenericDateTaggedManager by removing redundant methods and adding docstrings, as well as tidying up test factories.

Class diagram for updated GenericDateTaggedManager

classDiagram
class GenericDateTaggedManager {
    +get_queryset(*args, **kwargs)
    +filter_by_language(language, current_site=True)
    +on_site(site=None)
    +get_months(queryset=None, current_site=True)
}
GenericDateTaggedManager --|> TaggedFilterItem
GenericDateTaggedManager --|> WithUserMixin
GenericDateTaggedManager --|> models.Manager

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Class diagram for removed methods in GenericDateTaggedManager

classDiagram
class GenericDateTaggedManager {
    -published(current_site=True)
    -published_on_rss(current_site=True)
    -available(current_site=True)
    -archived(current_site=True)
    -published_future(current_site=True)
}

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File-Level Changes

Change	Details	Files
Add comprehensive admin interface tests	Implement tests for PostAdmin list filters, lookups and queryset behaviors Verify fieldsets under various configuration flags (abstract, placeholder, related) Test ConfigAdmin readonly fields and menu_structure save logic Cover SiteListFilter lookups and queryset filtering with and without params Validate extension registration/unregistration and changeform_view scenarios	tests/test_admin.py
Introduce manager tests for djangocms_blog and djangocms_stories	Test tag filtering, tag list, tag cloud, and tag slugs Verify site-based and admin-specific queryset methods Cover GenericDateTaggedManager date aggregation (get_months) and on_site behavior Include integration and edge-case tests combining filters and empty querysets	tests/test_managers.py
Add template tag tests for djangocms_stories	Test namespace_url tag with and without args and within links Validate media_plugins and media_images extraction behaviors Cover absolute_url in basic, language-specific, edit/preview modes, and None handling Include integration scenarios and loop rendering of tags	tests/test_templatetags.py
Refactor GenericDateTaggedManager in djangocms_blog/managers.py	Remove deprecated wrapper methods (published, available, archived, etc.) Add docstrings to filter_by_language and on_site convenience methods	djangocms_blog/managers.py
Clean up test factory definitions	Remove unused Site import and default_site variable	tests/factories.py

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.57%. Comparing base (166a805) to head (ba8cca0).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #54   +/-   ##
=======================================
  Coverage   86.57%   86.57%           
=======================================
  Files          23       23           
  Lines        2070     2070           
  Branches      232      232           
=======================================
  Hits         1792     1792           
  Misses        186      186           
  Partials       92       92           

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