Update config default value handling with updated unit test

[NeonDaniel]

Refactors get_plugin_config to prevent inserting extra top-level configuration when the specified section does not exist.
Related to #274

Summary by CodeRabbit

• New Features

  • Improved logic for retrieving and merging plugin configurations, including handling unspecified parameters.
  • Enhanced handling of language settings for configuration sections.

• Bug Fixes

  • Added test cases to verify behavior when querying non-existent configuration sections, ensuring robustness.

• Documentation

  • Minor adjustments to comments for better clarity and understanding.

[coderabbitai]

Walkthrough

The changes involve modifications to the get_plugin_config function in ovos_plugin_manager/utils/config.py, enhancing the logic for retrieving and merging configurations. A new condition is added to handle unspecified module and section parameters, defaulting to the base configuration. Additionally, the handling of the section parameter is refined, with an expanded list of exceptions. A new test case is introduced in test/unittests/test_utils.py to validate the behavior of the get_plugin_config function when querying for a non-existent configuration section, specifically for the "PHAL" section.

Changes

File	Change Summary
ovos_plugin_manager/utils/config.py	Enhanced get_plugin_config logic for retrieving configurations; added handling for unspecified parameters and expanded section exceptions. Introduced debug logging for missing configurations. Minor comment adjustments.
test/unittests/test_utils.py	Added a new test case in TestConfigUtils to validate behavior of get_plugin_config for non-existent "PHAL" section, ensuring proper configuration retrieval.

Poem

In the burrow where plugins dwell,
Configs merge and stories tell.
A tweak here, a test to see,
How "PHAL" finds its harmony.
With a hop and a skip, we cheer,
For clearer paths, the way is clear! 🐇✨

---

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[coderabbitai]

Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (2)

ovos_plugin_manager/utils/config.py (1)

37-47: Refined configuration merging logic

The updated logic for merging configurations improves the handling of default values and excludes certain keys from being copied to the module config. This change enhances the flexibility and correctness of the configuration merging process.

However, there's a minor opportunity for code improvement:

Consider combining the if branches on lines 42-45 using the logical or operator, as suggested by the static analysis tool:

-                if key in ("module", "translation_module", "detection_module"):
-                    continue
-                elif isinstance(val, dict):
-                    continue
+                if key in ("module", "translation_module", "detection_module") or isinstance(val, dict):
+                    continue

This change would slightly improve code readability without affecting functionality.

🧰 Tools

🪛 Ruff

42-45: Combine if branches using logical or operator

Combine if branches

(SIM114)

test/unittests/test_utils.py (1)

Line range hint 1-658: Consider addressing TODO comments and implementing missing tests.

While reviewing the entire file, I noticed several TODO comments and empty test methods. To improve the overall test coverage and completeness of the test suite, consider:

1. Implementing the tests marked with TODO comments, such as:

   • test_load_plugin
   • test_normalize_lang
   • test_read_write_stream
   • test_load_plugin_configs
   • test_load_configs_for_plugin_type
   • test_get_plugin_supported_languages
   • test_get_plugin_language_configs

2. Adding implementations for empty test methods in the TestTTSCacheUtils class, such as:

   • test_get_cache_entries
   • test_delete_oldest
   • test_audio_file
   • test_phoneme_file
   • test_tts_cache

Implementing these tests will enhance the robustness of the test suite and ensure better coverage of the utility functions.

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 6ec7ea1 and abd39cb.

📒 Files selected for processing (2)

• ovos_plugin_manager/utils/config.py (2 hunks)
• test/unittests/test_utils.py (1 hunks)

🧰 Additional context used

🪛 Ruff

ovos_plugin_manager/utils/config.py

42-45: Combine if branches using logical or operator

Combine if branches

(SIM114)

🔇 Additional comments (5)

ovos_plugin_manager/utils/config.py (4)

17-21: Improved docstring clarity

The updated docstring provides a clearer explanation of the function's behavior, especially when both module and section are unspecified. This improvement enhances the overall documentation and makes it easier for developers to understand the function's purpose and usage.

---

35-36: Added helpful debug logging

The new debug log statement provides useful information when no section configuration is found in the base configuration. This addition will aid in troubleshooting and debugging configuration-related issues.

---

49-52: Enhanced default 'lang' value handling

The updated condition for setting the default 'lang' value now includes None in the list of exceptions. This change ensures that the 'lang' value is set appropriately for most plugin types while excluding specific sections that don't require it.

---

Line range hint 1-241: Summary of changes

The modifications to the get_plugin_config function successfully address the PR objectives by refining the handling of default values and preventing the insertion of extra top-level configuration entries when the specified section does not exist. The changes improve the function's clarity, robustness, and flexibility in handling various configuration scenarios.

The updated docstring, added debug logging, refined configuration merging logic, and enhanced default 'lang' value handling collectively contribute to a more maintainable and understandable codebase. These improvements will likely reduce potential bugs and make it easier for developers to work with plugin configurations.

🧰 Tools

🪛 Ruff

42-45: Combine if branches using logical or operator

Combine if branches

(SIM114)

test/unittests/test_utils.py (1)

652-658: LGTM! New test cases for PHAL configuration look good.

The added test cases for the "PHAL" section in test_get_plugin_config are well-structured and cover important scenarios:

1. Retrieving PHAL config when no specific configuration is provided.
2. Retrieving PHAL config for a specific plugin.

These tests ensure that the get_plugin_config function behaves correctly when dealing with PHAL configurations, which is an important addition to the test suite.