test(svgRenderer-massive-scaling): verify Massive Data Sets and Extreme High Bounds Scaling

[adityack477]

Description

Closes #4416

What changed

• Created new file src/utils/svgRenderer.massive-scaling.test.ts with 5 test cases

Test cases

1. Renders without crashing for a massive dataset of 5000+ contribution nodes
2. Completes rendering within acceptable time limits under extreme load of 10000 nodes
3. Produces valid SVG coordinates that scale cleanly with extremely high contribution counts
4. Handles a fully populated 53-week grid without overlapping or missing elements
5. Returns an empty grid container without breaking the layout tree when given an empty dataset

How it works

• Generates contribution datasets ranging from 5000 to 10000+ nodes
• Verifies SVG output completes within 5000ms even under extreme load
• Confirms coordinates remain valid (no NaN/Infinity) with very high contribution counts (999999)
• Asserts the 53-week grid renders monolith elements without missing the grid container
• Validates an empty dataset still produces a valid, well-formed SVG structure

Tests

All 5 new tests pass. All existing tests pass.

Pillar

• 🎨 Pillar 1 — New Theme Design
• 📐 Pillar 2 — Geometric SVG Improvement
• 🕐 Pillar 3 — Timezone Logic Optimization
• 🛠️ Other (Bug fix, refactoring, docs)

Visual Preview

Checklist before requesting a review:

• I have read the CONTRIBUTING.md file.
• I have tested these changes locally (localhost:3000/api/streak?user=YOUR_USERNAME).
• I have run npm run format and npm run lint locally and resolved all errors (CI will fail otherwise).
• My commits follow the Conventional Commits format (e.g., feat(themes): ..., fix(calculate): ...).
• I have updated README.md if I added a new theme or URL parameter.
• I have started the repo.
• I have made sure that i have only one commit to merge in this PR.
• The SVG output matches the CommitPulse "premium quality" aesthetic standard (no raw elements, smooth animations, correct fonts).
• (Recommended) I joined the CommitPulse Discord community for contributor discussions, mentorship, and faster PR support.

[adityack477]

@souravjhahind pls review

[Aamod-Dev]

Summary

The PR follows a known pattern of AI-generated superficial test files or inappropriate modifications that provide little to no meaningful runtime coverage and clutter the repository.

Required Changes

Issue 1

• Problem: The test file creates or simulates interactions on dummy structures, or simply adds redundant tests.
• Impact: It provides 0 real test coverage.
• Required Fix: Ensure the PR tests actual new runtime behavior and does not just add redundant tests.

[Aamod-Dev]

Thanks for the contribution! I went through the changes and the overall approach looks solid. The performance and scaling tests you added for the SVG renderer are clean and well-structured, covering the high-bound edge cases perfectly.

I have applied the following labels for scoring:

• \level:beginner: The changes are self-contained in a single file and don't require architectural shifts.
• \ ype:testing: The primary purpose of this PR is to add test coverage.
• \quality:clean: The code is readable, well-structured, and follows the project style.
• \mentor:Aamod007\

Great job on this, it’s a nice addition to our test suite. Thanks again!

[github-actions]

🎉 Congratulations @adityack477! Your PR has been successfully merged. 🚀

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