refactor: Validate non-null value for right attribute in beforeInsertNode() method of NestedSetsBehavior class.
#23
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…nsertNode()` method of `NestedSetsBehavior` class.
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WalkthroughThe Changes
Sequence Diagram(s)sequenceDiagram
participant Test as Test Case
participant Parent as Parent Node
participant Child as Child Node
participant Behavior as NestedSetsBehavior
Test->>Parent: Create root node
Test->>Child: Create child node
Test->>Behavior: Append child to parent
Behavior->>Parent: Check right value
alt right value is null
Behavior-->>Test: Throw Exception ("Null value not allowed")
else right value is valid
Behavior->>Child: Set lft and rgt attributes
Behavior->>Parent: Shift lft/rgt attributes
Behavior-->>Test: Node inserted successfully
end
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Actionable comments posted: 1
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📒 Files selected for processing (2)
src/NestedSetsBehavior.php(2 hunks)tests/NestedSetsBehaviorTest.php(1 hunks)
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🧠 Learnings (1)
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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.
🧬 Code Graph Analysis (1)
tests/NestedSetsBehaviorTest.php (3)
tests/TestCase.php (1)
createDatabase(93-127)tests/support/model/Tree.php (1)
Tree(17-64)src/NestedSetsBehavior.php (2)
makeRoot(831-836)appendTo(294-300)
🪛 GitHub Actions: build
tests/NestedSetsBehaviorTest.php
[error] 1740-1740: PHPUnit test failure in NestedSetsBehaviorTest::testReturnShiftedLeftRightAttributesWhenChildAppendedToRoot: Root node right value should be '4' after 'makeRoot' and appending a child. Failed asserting that 2 matches expected 4.
⏰ Context from checks skipped due to timeout of 90000ms (5)
- GitHub Check: phpunit-compatibility / PHP 8.4-windows-latest
- GitHub Check: phpunit-compatibility / PHP 8.1-windows-latest
- GitHub Check: phpunit-compatibility / PHP 8.3-windows-latest
- GitHub Check: phpunit-compatibility / PHP 8.2-windows-latest
- GitHub Check: phpunit / PHP 8.1-windows-latest
🔇 Additional comments (4)
src/NestedSetsBehavior.php (3)
1052-1054: LGTM! Excellent defensive programming practice.The explicit null validation with a clear error message prevents potential tree structure corruption that could occur if a null value was passed to the method. This validation ensures the integrity of the nested set operations.
1056-1057: LGTM! Clean unconditional attribute setting.Since the value is now validated to be non-null above, the unconditional setting of left and right attributes is safe and clear. The logic correctly sets the right boundary as
$value + 1following nested set conventions.
1067-1067: LGTM! Consistent with the validation above.Directly passing the validated
$valuetoshiftLeftRightAttributeis correct since we've already ensured it's not null. This maintains consistency with the validation logic added earlier in the method.tests/NestedSetsBehaviorTest.php (1)
1767-1782: Well-implemented test for null value validation.This test correctly validates the new null-checking behavior in
beforeInsertNode(). The test setup properly simulates a scenario where the parent node has a nullrgtattribute and verifies that the appropriate exception is thrown with the expected message.
…er appending child to root in `NestedSetsBehaviorTest` class.
Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## main #23 +/- ##
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Coverage 100.00% 100.00%
Complexity 89 89
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Files 2 2
Lines 465 466 +1
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Pull Request Overview
This PR fixes a bug in the NestedSetsBehavior class by ensuring that a null value for the right attribute is properly validated during node insertion. The changes include:
- Throwing an exception when a null value is provided to the beforeInsertNode() method.
- Updating the attribute assignment and shiftLeftRightAttribute() call in response to the new validation.
- Adding tests to confirm the proper exception is raised and the tree structure remains valid.
Reviewed Changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| tests/NestedSetsBehaviorTest.php | Added a test case to verify exception behavior for a null right attribute |
| src/NestedSetsBehavior.php | Refactored the validation logic in beforeInsertNode() to throw an exception when a null value is provided, and adjusted subsequent computations accordingly |
Comments suppressed due to low confidence (1)
src/NestedSetsBehavior.php:1052
- Consider using a custom exception type (e.g., InvalidNodeValueException) instead of the generic Exception to allow for more granular error handling.
if ($value === null) {
Summary by CodeRabbit
Bug Fixes
Tests