Improve fallback primary key ordering unit tests

[SupImDos]

Description

PR #715 introduced default fallback primary key ordering for unordered querysets. This PR adds some extra unit tests, to ensure that pre-existing ordering from various sources is still respected.

Types of Changes

• Core
• Bugfix
• New feature
• Enhancement/optimization
• Documentation

Issues Fixed or Closed by This PR

• N/A

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• I have tested the changes and verified that they work and don't break anything (as well as I can manage).

Summary by Sourcery

Tests:

• Adds tests to verify that fallback primary key ordering respects pre-existing ordering from various sources, including default model ordering, get_queryset ordering, and GraphQL ordering.

[sourcery-ai]

Reviewer's Guide by Sourcery

This PR adds unit tests to ensure that pre-existing ordering from various sources (model Meta, get_queryset, GraphQL) is respected when using the fallback primary key ordering feature introduced in PR #715. It includes new tests and a new Quiz model to test the get_queryset ordering.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Added tests to verify that pre-existing ordering from various sources is respected when using fallback primary key ordering.	Added a test case for models with default ordering defined in Meta. Added a test case for types with a get_queryset method that applies ordering. Added a test case for types that allow ordering via GraphQL.	tests/test_deterministic_ordering.py tests/projects/schema.py tests/projects/faker.py tests/projects/models.py
Added a Quiz model and related factory to test get_queryset ordering.	Added a Quiz model with a title and sequence field. Added a QuizFactory for creating Quiz instances. Added a QuizType to the schema with a get_queryset method that orders by title. Added a quiz_list field to the Query type to expose the QuizType.	tests/projects/schema.py tests/projects/faker.py tests/projects/models.py

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[sourcery-ai]

Hey @SupImDos - I've reviewed your changes - here's some feedback:

Overall Comments:

• Consider adding comments to the tests to explain the expected ordering behavior in each case.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[SupImDos]

Hi @bellini666, SourceryAI suggested some useful unit tests in the last PR (#715) that I hadn't committed yet (whoops). There's no new functionality here, just some extra tests if you wanted them 😄

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.13%. Comparing base (25db851) to head (e77ef68).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #716   +/-   ##
=======================================
  Coverage   88.13%   88.13%           
=======================================
  Files          42       42           
  Lines        3853     3853           
=======================================
  Hits         3396     3396           
  Misses        457      457           

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