refactor: remove unnecessary continuous token handling in subject filter #1708
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🧹 Outside diff range and nitpick comments (2)
internal/engines/lookup.go (1)
Line range hint
267-271: Document performance implications of removed sortingThe updated comment and return statement accurately reflect the changes in the pagination logic. However, it's important to consider and document the performance implications of removing the sorting step, especially for large datasets.
Consider adding a comment or documentation that explains:
- Why sorting is no longer necessary at this stage.
- Any performance benefits or potential drawbacks of this change.
- How this change affects the consistency of results across multiple paginated requests.
internal/engines/lookup_test.go (1)
4398-4571: LGTM! The pagination test case is well-implemented.The new test case "Weekday Sample: Case 3 pagination" is a valuable addition to the test suite. It effectively tests the pagination functionality of the LookupSubject method, which is crucial for handling large datasets.
Here are some suggestions to further improve the test case:
- Consider testing with different page sizes to ensure the pagination works correctly in various scenarios. For example, you could add test cases with page sizes of 1, 5, and 10.
for { response, err := invoker.LookupSubject(context.Background(), &base.PermissionLookupSubjectRequest{ // ... other fields ... - PageSize: 2, + PageSize: pageSize, }) // ... rest of the code ... }
- Add a comment explaining the purpose of this pagination test case to improve code documentation.
+// TestWeekdaySampleCase3Pagination tests the pagination functionality of the LookupSubject method +// It verifies that all expected results are retrieved across multiple pages with different permissions It("Weekday Sample: Case 3 pagination", func() { // ... test code ... })
- Consider extracting the pagination logic into a helper function to improve readability and reusability.
func paginatedLookupSubject(invoker Invoker, filter filter, pageSize int) ([]string, error) { var ids []string ct := "" for { response, err := invoker.LookupSubject(context.Background(), &base.PermissionLookupSubjectRequest{ // ... request parameters ... ContinuousToken: ct, PageSize: pageSize, }) if err != nil { return nil, err } ids = append(ids, response.GetSubjectIds()...) ct = response.GetContinuousToken() if ct == "" { break } } return ids, nil }Then use this helper function in your test:
ids, err := paginatedLookupSubject(invoker, filter, 2) Expect(err).ShouldNot(HaveOccurred()) Expect(ids).Should(Equal(res))These suggestions will enhance the test coverage, improve code readability, and make the test more maintainable.
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📒 Files selected for processing (2)
- internal/engines/lookup.go (3 hunks)
- internal/engines/lookup_test.go (1 hunks)
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🔇 Additional comments (3)
internal/engines/lookup.go (3)
222-222: LGTM: Improved readability with constant usageThe change from
"<>"toALLenhances code readability and maintainability by using a named constant instead of a magic string. This is a good practice that makes the code more self-documenting.
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1-305: Summary of changes in LookupSubject methodThe modifications to the
LookupSubjectmethod have improved code readability and potentially performance by:
- Using a named constant (
ALL) instead of a magic string.- Simplifying continuous token handling.
- Removing the explicit sorting step.
To ensure the correctness and efficiency of these changes, please address the following:
- Verify the pagination logic across the system, especially in the
SubjectFiltermethod.- Document the performance implications of removing the sorting step.
- Ensure consistent behavior across multiple paginated requests.
These changes appear to be positive overall, but careful testing and documentation will be crucial to maintain the reliability and performance of the system.
246-248: Verify pagination logic across the systemThe simplification of continuous token handling in this method is a good improvement. However, it's crucial to ensure that the pagination logic is correctly implemented across the entire system, particularly in the
SubjectFiltermethod where the filtering is now presumably handled.To verify the changes:
- Check the implementation of
SubjectFilterto confirm it correctly handles the continuous token.- Review any tests related to pagination to ensure they cover this new behavior.
Summary by CodeRabbit
New Features
ALLidentifier.Tests