Add performance metrics to Autobahn test parser #495
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Enhance parse-results.js to capture and display timing data: - Track total test duration and per-test averages - Categorize performance-focused tests (9.x limits, 10.x large messages, 12.x fragmentation) - Display category breakdowns with average durations - Show top 5 slowest tests per performance category Performance summary now shows: - 9.x (Limits/Performance): 54 tests, avg 175.56ms - 10.x (Large Messages): 1 test, avg 7.00ms - 12.x (Fragmentation): 90 tests, avg 1.23ms 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
Summary of ChangesHello @theturtle32, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request introduces significant enhancements to the Autobahn test parser by integrating performance metrics. The primary goal is to provide deeper insights into the execution time of various tests, allowing developers to quickly identify and address performance bottlenecks. It categorizes tests by their performance characteristics and highlights the slowest ones, making performance analysis more efficient without altering the core test logic. Highlights
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Code Review
This pull request is a great enhancement, adding valuable performance metrics to the Autobahn test parser. The code is well-structured and the new output will be very helpful for identifying performance-sensitive tests. I've made a few suggestions to improve maintainability and prevent a potential bug related to data mutation. Specifically, I've pointed out an in-place array sort that should be avoided, and a couple of places where the code can be made more dynamic and robust against future changes. I've also noted the use of a reserved keyword as a property name, which is best to avoid. My feedback is based on common JavaScript best practices for writing clean and maintainable code.
test/autobahn/parse-results.js
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| const slowestTests = category.tests | ||
| .sort((a, b) => b.duration - a.duration) | ||
| .slice(0, 5); |
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The sort() method modifies the array in-place. This means you are mutating the category.tests array within your summary object, which is an unintended side effect that could cause bugs if other parts of the application expect the test data to be in its original order. It's safer to create a copy of the array before sorting.
const slowestTests = [...category.tests]
.sort((a, b) => b.duration - a.duration)
.slice(0, 5);
test/autobahn/parse-results.js
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| let category = 'other'; | ||
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| if (majorCategory === '9') { | ||
| category = 'limits'; | ||
| } else if (majorCategory === '10') { | ||
| category = 'largeMessages'; | ||
| } else if (majorCategory === '12') { | ||
| category = 'fragmentation'; | ||
| } |
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This if/else if chain works, but using a map object would be more concise and easier to maintain if more categories are added in the future. For optimal performance, this map could be defined once outside the loop.
const categoryMap = {
'9': 'limits',
'10': 'largeMessages',
'12': 'fragmentation'
};
const category = categoryMap[majorCategory] || 'other';
test/autobahn/parse-results.js
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| } | ||
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| summary.performance.byCategory[category].tests.push({ | ||
| case: testCase, |
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case is a reserved keyword in JavaScript. While it's allowed as a property name in object literals, it's best practice to avoid it to prevent potential confusion, conflicts with linters, or issues with language features like destructuring with reserved words. I suggest renaming it to testCase for clarity and safety.
testCase: testCase,
test/autobahn/parse-results.js
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| console.log(` Average duration: ${(summary.performance.totalDuration / summary.performance.testCount).toFixed(2)}ms\n`); | ||
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| // Print category breakdown for performance-focused tests | ||
| const perfCategories = ['limits', 'largeMessages', 'fragmentation']; |
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Hardcoding the perfCategories array makes the code less maintainable. If you add or remove categories from the summary.performance.byCategory object, you'll have to remember to update this array as well. It would be more robust to generate this array dynamically from the object's keys, excluding 'other'.
const perfCategories = Object.keys(summary.performance.byCategory).filter(key => key !== 'other');Fix high priority issues: - Prevent array mutation by copying before sorting (line 204) Fix medium priority issues: - Use map object for cleaner category mapping (lines 51-55, 109) - Rename 'case' property to 'testCase' to avoid reserved keyword (lines 112, 210) - Dynamically generate performance categories from object keys (line 189) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
Summary
Performance Insights
The enhanced parser now reveals:
Test Plan
node test/autobahn/parse-results.jssuccessfullypnpm lint:fixwith no errors🤖 Generated with Claude Code