🔀 Reading: Pull Requests & Code Reviews
3 exercises — read authentic PR descriptions and code review comments. Extract key information, understand dependencies, and classify reviewer feedback.
What to look for in a PR description
- What changed — the list of modifications
- Why — the motivation or linked issue
- How to test — the step-by-step test plan
- Dependencies — other PRs or issues to be aware of
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Pull Request Description
{ex.passage} According to the PR description, which of the following endpoints does NOT require authentication after this change?
/api/health — explicitly listed as a public endpoint:
The PR description contains this line: "Public endpoints (/api/health, /api/docs) remain unauthenticated."
This tells you the author explicitly thought about which routes should remain public:
A well-structured PR description should always answer:
① What changed? — the Changes section
② Why? — the Summary (context, motivation)
③ How to test? — step-by-step test plan
④ What are the dependencies? — related issues/PRs
Reading strategy: Scan for bullet points and specific technical details. The granular list of changed routes is exactly what reviewers need to safely approve this PR.
The PR description contains this line: "Public endpoints (/api/health, /api/docs) remain unauthenticated."
This tells you the author explicitly thought about which routes should remain public:
/api/health→ public (health checks are often used by load balancers and monitoring systems — they can't authenticate)/api/docs→ public (API documentation is typically readable without auth)/api/users→ now protected ✅/api/orders→ now protected ✅
A well-structured PR description should always answer:
① What changed? — the Changes section
② Why? — the Summary (context, motivation)
③ How to test? — step-by-step test plan
④ What are the dependencies? — related issues/PRs
Reading strategy: Scan for bullet points and specific technical details. The granular list of changed routes is exactly what reviewers need to safely approve this PR.