refactor: Improve depth attribute handling in shiftLeftRightAttribute method of NestedSetsBehavior class.
#21
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…ute` method of `NestedSetsBehavior` class.
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Additional details and impacted files@@ Coverage Diff @@
## main #21 +/- ##
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Coverage 100.00% 100.00%
- Complexity 88 89 +1
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Files 2 2
Lines 465 465
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WalkthroughThe Changes
Sequence Diagram(s)sequenceDiagram
participant Caller
participant NestedSetsBehavior
participant OwnerNode
participant TargetNode
Caller->>NestedSetsBehavior: beforeInsertNode(owner, target, value, depthOffset)
alt target's depth is not null
NestedSetsBehavior->>OwnerNode: Set depth attribute to target.depth + depthOffset
end
alt treeAttribute enabled and target is not null
NestedSetsBehavior->>OwnerNode: Set tree attribute from target
end
alt value is not null
NestedSetsBehavior->>NestedSetsBehavior: shiftLeftRightAttribute(value)
end
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Pull Request Overview
This PR refactors the handling of the depth attribute in the shiftLeftRightAttribute method of the NestedSetsBehavior class to avoid unintended updates when attribute values are null.
- Updated depth attribute logic to update only when a valid depth value is present.
- Modified tree attribute assignment to occur only if a node is available.
- Adjusted the left-right shifting to execute only when a non-null value is provided.
Comments suppressed due to low confidence (3)
src/NestedSetsBehavior.php:1057
- [nitpick] Consider adding a comment to explain why the depth attribute update is skipped when the node's depth value is null, highlighting the intention behind removing the default fallback of 0.
$nodeDepthValue = $this->node?->getAttribute($this->depthAttribute);
src/NestedSetsBehavior.php:1063
- [nitpick] Add a brief comment clarifying that the tree attribute assignment is now intentionally omitted when no node is present, contrasting with the previous behavior that would assign a null value.
if ($this->treeAttribute !== false && $this->node !== null) {
src/NestedSetsBehavior.php:1067
- [nitpick] Ensure that the decision to not call shiftLeftRightAttribute when $value is null is intended; a comment clarifying this change from the previous default of 0 would improve code clarity.
if ($value !== null) {
…ht` shifting in `beforeInsertNode` method of `NestedSetsBehavior` class.
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Actionable comments posted: 1
🧹 Nitpick comments (1)
tests/NestedSetsBehaviorTest.php (1)
1624-1669: Good test coverage for null node handling, but fix coding style issue.The test correctly validates that
beforeInsertNodeworks properly when the internal node reference is null. The anonymous class approach for exposing protected methods is appropriate for testing internal behavior.However, fix the coding style issue flagged by the pipeline:
- $behavior = new class () extends NestedSetsBehavior { + $behavior = new class extends NestedSetsBehavior {
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src/NestedSetsBehavior.php(1 hunks)tests/NestedSetsBehaviorTest.php(1 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
- src/NestedSetsBehavior.php
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🧠 Learnings (1)
📓 Common learnings
Learnt from: terabytesoftw
PR: yii2-extensions/nested-sets-behavior#13
File: src/NestedSetsBehavior.php:145-145
Timestamp: 2025-06-29T11:22:41.839Z
Learning: The user terabytesoftw prefers to keep PRs focused and small, implementing enhancements in separate dedicated PRs rather than bundling multiple changes together.
🪛 GitHub Actions: ecs
tests/NestedSetsBehaviorTest.php
[warning] 1625-1625: PhpCsFixer: NewWithParenthesesFixer suggests removing parentheses in 'new class ()' to 'new class'. Fixable by running with '--fix'.
[warning] 1672-1672: PhpCsFixer: NewWithParenthesesFixer suggests removing parentheses in 'new class ()' to 'new class'. Fixable by running with '--fix'.
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🔇 Additional comments (1)
tests/NestedSetsBehaviorTest.php (1)
1713-1763: Excellent integration test for tree structure validation.This test provides valuable validation that the refactored
beforeInsertNodemethod doesn't break normal tree operations. The test correctly:
- Validates the initial root node state
- Tests the
appendTooperation- Verifies tree structure integrity after the operation
- Uses proper error handling with try-catch
The assertions effectively check the nested set model constraints and depth calculations.
…antiation in `NestedSetsBehaviorTest`
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