⚡ Optimize package lookup in choosePackage#21
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Replaced sequential .find() with Map-based O(1) lookup in choosePackage. Added unit test tests/package-optimization.test.ts to verify the change. Co-authored-by: sunnylqm <615282+sunnylqm@users.noreply.github.com>
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🧹 Nitpick comments (1)
tests/package-optimization.test.ts (1)
66-79: Make spy restoration failure-safe.If an assertion fails before the tail cleanup runs, spies can leak into subsequent tests. Wrap each test body in
try/finallyso cleanup always executes.♻️ Suggested hardening for test cleanup
test('should return the correct package when a valid ID is entered', async () => { @@ - const result = await choosePackage('app123'); - - expect(result).toEqual(mockPackages[1] as any); - expect(getAllPackagesSpy).toHaveBeenCalledWith('app123'); - expect(questionSpy).toHaveBeenCalled(); - - getAllPackagesSpy.mockRestore(); - questionSpy.mockRestore(); - consoleSpy.mockRestore(); + try { + const result = await choosePackage('app123'); + expect(result).toEqual(mockPackages[1] as any); + expect(getAllPackagesSpy).toHaveBeenCalledWith('app123'); + expect(questionSpy).toHaveBeenCalled(); + } finally { + getAllPackagesSpy.mockRestore(); + questionSpy.mockRestore(); + consoleSpy.mockRestore(); + } }); @@ - const result = await choosePackage('app123'); - - expect(result).toEqual(mockPackages[0] as any); - expect(questionMock).toHaveBeenCalledTimes(2); - - getAllPackagesSpy.mockRestore(); - questionSpy.mockRestore(); - consoleSpy.mockRestore(); + try { + const result = await choosePackage('app123'); + expect(result).toEqual(mockPackages[0] as any); + expect(questionMock).toHaveBeenCalledTimes(2); + } finally { + getAllPackagesSpy.mockRestore(); + questionSpy.mockRestore(); + consoleSpy.mockRestore(); + } });Also applies to: 86-104
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@tests/package-optimization.test.ts` around lines 66 - 79, Wrap the test body that calls choosePackage(...) in a try/finally so spy cleanup always runs; specifically, enclose the logic that creates getAllPackagesSpy, questionSpy, and consoleSpy and the assertions in a try block and move the mockRestore() calls for getAllPackagesSpy.mockRestore(), questionSpy.mockRestore(), and consoleSpy.mockRestore() into the finally block to guarantee restoration even if an assertion throws.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Nitpick comments:
In `@tests/package-optimization.test.ts`:
- Around line 66-79: Wrap the test body that calls choosePackage(...) in a
try/finally so spy cleanup always runs; specifically, enclose the logic that
creates getAllPackagesSpy, questionSpy, and consoleSpy and the assertions in a
try block and move the mockRestore() calls for getAllPackagesSpy.mockRestore(),
questionSpy.mockRestore(), and consoleSpy.mockRestore() into the finally block
to guarantee restoration even if an assertion throws.
ℹ️ Review info
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📒 Files selected for processing (2)
src/package.tstests/package-optimization.test.ts
1 participant
💡 What: The optimization implemented
Replaced the sequential
.find()call inside thewhileloop ofchoosePackagewith a pre-computedMapfor O(1) lookups.🎯 Why: The performance problem it solves
The original implementation re-evaluated the entire list of packages (which can contain up to 1000 items as per
getAllPackageslimit) on every user input. While the loop is driven by user input, it's a suboptimal structure that could be easily optimized.📊 Measured Improvement:$n$ packages, the lookup complexity per user input is reduced from $O(n)$ to $O(1)$ .
In a list of
Verified functionality with a new test
tests/package-optimization.test.tswhich covers:PR created automatically by Jules for task 6756064818318646243 started by @sunnylqm
Summary by CodeRabbit
Refactor
Tests