refactor: remove unused mutex locks for single-user CLI#12
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📝 WalkthroughWalkthroughThe pull request removes concurrency control mechanisms (mutexes and lock/unlock calls) across the Trie, FileStorage, and usecase layers, making those components non-thread-safe. Concurrency-related tests are removed. A Delete method is added to file utility interfaces. Changes
Estimated code review effort🎯 4 (Complex) | ⏱️ ~45 minutes Poem
Pre-merge checks and finishing touches✅ Passed checks (3 passed)
✨ Finishing touches
📜 Recent review detailsConfiguration used: defaults Review profile: CHILL Plan: Pro 📒 Files selected for processing (7)
💤 Files with no reviewable changes (4)
🚧 Files skipped from review as they are similar to previous changes (2)
🧰 Additional context used🧬 Code graph analysis (1)storage/file.go (3)
🔇 Additional comments (3)
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🧹 Nitpick comments (2)
document/MOTIVATION.md (1)
3-3: Fix Markdown formatting issues.The linter has identified several formatting inconsistencies that should be addressed:
- Line 3: The author/date metadata uses emphasis (italics) which triggers MD036. Consider using a proper heading level or plain text.
- Lines 8-17: The navigation list has inconsistent indentation and uses hard tabs instead of spaces (MD007, MD010). Use consistent space-based indentation (2 spaces for each level is typical).
📋 Example fix for consistent indentation
Replace hard tabs with spaces and use consistent 2-space indentation:
- [Motivation \& Design Notes](#motivation--design-notes) - - [Motivation](#motivation) - - [Zero Dependencies Philosophy](#zero-dependencies-philosophy) - - [Why SM-2 Algorithm](#why-sm-2-algorithm) - - [Custom Adaptations to SM-2](#custom-adaptations-to-sm-2) - - [Data Structures](#data-structures) - - [Indexing for Lookup](#indexing-for-lookup) - - [Trie for Text Search](#trie-for-text-search) - - [Heap for Top-K Problems](#heap-for-top-k-problems) - - [Stack for Undo](#stack-for-undo) - - [Closing Note](#closing-note) + - [Motivation](#motivation) + - [Zero Dependencies Philosophy](#zero-dependencies-philosophy) + - [Why SM-2 Algorithm](#why-sm-2-algorithm) + - [Custom Adaptations to SM-2](#custom-adaptations-to-sm-2) + - [Data Structures](#data-structures) + - [Indexing for Lookup](#indexing-for-lookup) + - [Trie for Text Search](#trie-for-text-search) + - [Heap for Top-K Problems](#heap-for-top-k-problems) + - [Stack for Undo](#stack-for-undo) + - [Closing Note](#closing-note)Also applies to: 8-17
storage/file.go (1)
121-125: Document the intended usage of InvalidateCache.The
InvalidateCachemethod is public but its purpose and usage scenarios are not immediately clear. Consider adding a doc comment explaining when this should be called.Suggested scenarios to document:
- Testing: clearing cache between test cases
- External modification: when files are modified outside the application
- Manual cache management: if the application detects inconsistency
📝 Suggested documentation
-// InvalidateCache clears the cache, forcing next load to read from file +// InvalidateCache clears the in-memory cache, forcing the next Load operation +// to read fresh data from disk. Use this when: +// - Files have been modified externally (e.g., manual edits) +// - Testing scenarios require clean state between test cases +// - Manual cache management is needed for consistency +// Note: Callers holding references to previously loaded data will retain stale pointers. func (fs *FileStorage) InvalidateCache() { fs.questionStoreCache = nil fs.deltasCache = nil }
📜 Review details
Configuration used: defaults
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (8)
config/test_utils.godocument/MOTIVATION.mdinternal/fileutil/fileutil.gointernal/search/trie.gostorage/file.gostorage/file_test.gousecase/usecase.gousecase/usecase_test.go
💤 Files with no reviewable changes (4)
- usecase/usecase_test.go
- internal/search/trie.go
- usecase/usecase.go
- storage/file_test.go
🧰 Additional context used
🧬 Code graph analysis (1)
storage/file.go (3)
internal/fileutil/fileutil.go (1)
FileUtil(10-19)config/config.go (1)
Delta(181-184)core/model.go (1)
Delta(110-116)
🪛 markdownlint-cli2 (0.18.1)
document/MOTIVATION.md
3-3: Emphasis used instead of a heading
(MD036, no-emphasis-as-heading)
8-8: Unordered list indentation
Expected: 2; Actual: 1
(MD007, ul-indent)
8-8: Hard tabs
Column: 1
(MD010, no-hard-tabs)
9-9: Unordered list indentation
Expected: 4; Actual: 2
(MD007, ul-indent)
9-9: Hard tabs
Column: 1
(MD010, no-hard-tabs)
10-10: Unordered list indentation
Expected: 2; Actual: 1
(MD007, ul-indent)
10-10: Hard tabs
Column: 1
(MD010, no-hard-tabs)
11-11: Unordered list indentation
Expected: 4; Actual: 2
(MD007, ul-indent)
11-11: Hard tabs
Column: 1
(MD010, no-hard-tabs)
12-12: Unordered list indentation
Expected: 2; Actual: 1
(MD007, ul-indent)
12-12: Hard tabs
Column: 1
(MD010, no-hard-tabs)
13-13: Unordered list indentation
Expected: 4; Actual: 2
(MD007, ul-indent)
13-13: Hard tabs
Column: 1
(MD010, no-hard-tabs)
14-14: Unordered list indentation
Expected: 4; Actual: 2
(MD007, ul-indent)
14-14: Hard tabs
Column: 1
(MD010, no-hard-tabs)
15-15: Unordered list indentation
Expected: 4; Actual: 2
(MD007, ul-indent)
15-15: Hard tabs
Column: 1
(MD010, no-hard-tabs)
16-16: Unordered list indentation
Expected: 4; Actual: 2
(MD007, ul-indent)
16-16: Hard tabs
Column: 1
(MD010, no-hard-tabs)
17-17: Unordered list indentation
Expected: 2; Actual: 1
(MD007, ul-indent)
17-17: Hard tabs
Column: 1
(MD010, no-hard-tabs)
🔇 Additional comments (4)
internal/fileutil/fileutil.go (1)
17-18: LGTM! Clean implementation of Delete operation.The Delete method is implemented correctly with proper error handling: it returns nil when the file doesn't exist (idiomatic for delete operations) and propagates any other errors.
Also applies to: 85-91
config/test_utils.go (1)
10-25: LGTM! Mock properly extended for Delete testing.The MockFileUtil updates follow the established pattern for error simulation in tests, maintaining consistency with existing loadError and saveError fields.
storage/file.go (2)
33-39: LGTM! Mutex removal aligns with single-user CLI design.The simplified FileStorage struct removes all synchronization primitives, which is appropriate given the PR's stated objective of removing unused concurrency controls for a single-user CLI application.
41-88: The shared-pointer caching behavior is intentional and appropriate for this single-user CLI.The tests explicitly verify that multiple
LoadQuestionStore()calls return the same cached pointer instance, and thatSaveQuestionStore()updates the cache with the modified state. All usage patterns in the codebase follow a strict load → modify → save sequence, ensuring the cache always reflects the current working state. The scenario where a caller modifies the store without saving and then loads again to get the unsaved state does not occur in practice.This design is efficient and correct for a single-threaded CLI where all mutations are immediately persisted via
SaveQuestionStore(). Cache invalidation is available viaInvalidateCache()if needed.
- Added a Delete method to the FileUtil interface for removing specified files. - Implemented the Delete method in JSONFileUtil to handle file deletion with appropriate error handling. - Updated MockFileUtil to include a deleteError field for testing purposes. - Removed unnecessary synchronization locks from the Trie structure and related methods to simplify the code. - Cleaned up test files by removing commented-out concurrent access tests to improve readability.
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Description
Type of Change
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Summary by CodeRabbit
Refactor
New Features
Tests
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