Finley Zhou - DEV Community

Finley Zhou

Sep 20

Split CI Into Advisory and Blocking Lanes Before You Merge an Agent Patch

#testing #python #ci #ai

7 min read

Finley Zhou

Sep 20

Zero-Hit Properties Cannot Be Frozen. Score Agent Patches by Fixture Hits.

#testing #python #ai #ci

8 min read

Finley Zhou

Sep 19

Do Not Merge on One Job Color. Score Property, Fixture, and Flake Lanes Separately.

#testing #ai #python #cicd

7 min read

Finley Zhou

Sep 19

Treat a Flaky Freeze as Merge Debt. Score the Agent Patch.

#testing #python #ci #ai

7 min read

Finley Zhou

Sep 19

Gate Agent Patches on a Verdict File. Ignore pytest's Exit Code.

#testing #python #ai #devops

8 min read

Finley Zhou

Sep 19

Diff the Witness Set. A Green Agent Patch Can Still Delete Evidence.

#testing #python #ai #git

7 min read

Finley Zhou

Sep 19

Map Agent Diffs to Oracle Classes. Freeze Signatures, Not Test Names.

#testing #python #ai #pytest

8 min read

Finley Zhou

Sep 19

Keep the Oracle Outside the Patch: An Invariant Inventory

#testing #python #ai #pytest

8 min read

Finley Zhou

Sep 19

Green Property Tests Can Still Be a Regression

#python #testing #ci #ai

8 min read

Finley Zhou

Sep 19

If the Agent Edits the Oracle, the Suite Is Not Evidence

#testing #python #ai #git

7 min read

Finley Zhou

Sep 18

Do Not Freeze the Test. Freeze the Seed and the Fixture Digest.

#testing #python #ai #devops

7 min read

Finley Zhou

Sep 18

Quarantine Test Drafts Until the Oracle Hash Is Unchanged

#testing #python #ai #devops

9 min read

Finley Zhou

Sep 18

Pin Property Seeds Outside the Agent Write Tree

#testing #python #ci #devops

7 min read

Finley Zhou

Sep 18

Agent Patches Need a Second Checkout for Property Checks

#python #testing #ai #devops

7 min read

Finley Zhou

Sep 18

Bucket the Red: Invariant Miss, Fixture Drift, or Noise

#testing #ai #python #cicd

8 min read

Finley Zhou

Sep 18

Demote Equality Tests When an Agent Mutates Their Fixtures

#testing #python #ai #git

8 min read

Finley Zhou

Sep 18

Treat Skip, Xfail, and Timeout Deltas as Failed Tests

#testing #python #ai #devops

7 min read

Finley Zhou

Sep 18

Demote Tests in the Patch Write-Set Before You Merge

#testing #python #ai #git

8 min read

Finley Zhou

Sep 17

Merge-Lane Tests Vote. Witness and Freeze Do Not.

#testing #python #ai #agents

7 min read

Finley Zhou

Sep 17

Zero Weight on Agent Tests: A Three-Input Merge Predicate

#testing #python #ai #devops

7 min read

Finley Zhou

Sep 17

Reject Agent Patches That Pass Only in Default Collection Order

#testing #python #ai #devops

7 min read

Finley Zhou

Sep 17

Quarantine the Input. Keep the Property Live.

#testing #python #ai #devops

6 min read

Finley Zhou

Sep 17

If the Patch Authored the Test, Score the Overlap

#testing #python #ai #devops

1

6 min read

Finley Zhou

Sep 17

Pairwise Oracles Beat Value Asserts for Agent Patches

#testing #python #ai #devops

8 min read

Finley Zhou

Sep 17

Merge Agent Patches on Harvested Failures, Not on Tests They Wrote

#testing #python #ai #ci

8 min read

Finley Zhou

Sep 17

Green Coverage, Broken Inverse: A Round-Trip Gate for Agent Patches

#testing #python #ai #ci

7 min read

Finley Zhou

Sep 16

Pin Entropy Sources. Re-Run Agent Patches Off the Laptop.

#testing #python #ai #devops

7 min read

Finley Zhou

Sep 16

Don't Freeze a Flake Until You Can Replay the Input

#testing #python #ai #programming

7 min read

Finley Zhou

Sep 16

When Agents Can Rewrite Expected Values, Test the Relation

#testing #python #ai #agents

7 min read

Finley Zhou

Sep 16

Green Tests Miss Sockets. Gate Agent Patches on a Capability Ledger

#testing #python #agents #ci

6 min read

Finley Zhou

Sep 16

Pin Fixtures, Run Properties, Freeze Flakes: A Test Contract for Agent Patches

#testing #agents #python #ci

8 min read

Finley Zhou

Sep 16

Name-Keyed Flake Freezes Fail Agent Patches. Freeze the Signature Instead.

#testing #python #agents #ci

1

8 min read

Finley Zhou

Sep 16

Mutate the Oracle: A Property-Kill Matrix for Agent Patches

#testing #python #ai #agents

1

7 min read

Finley Zhou

Sep 15

Lock the Generator: A Three-Lane Policy for Agent Patch Tests

#testing #agents #python #ci

1

8 min read

Finley Zhou

Sep 15

A Merge Contract the Agent Cannot Edit

#testing #python #ai #devops

7 min read

Finley Zhou

Sep 15

Unwitnessed Lines Are Untested: A Line-Obligation Gate for Agent Patches

#testing #ai #python #git

9 min read

Finley Zhou

Sep 15

Don't Merge the Patch Until the Contract Diff Is Non-Weakening

#testing #python #ai #cicd

9 min read

Finley Zhou

Sep 15

Intersect, Don't Union: Three Trust Classes for Agent Patch Tests

#testing #agents #python #cicd

8 min read

Finley Zhou

Sep 15

Invalid Input Must Still Fail: A Must-Reject Corpus for Agent Patches

#testing #python #ai #security

8 min read

Finley Zhou

Sep 15

Your Agent Patch Passed Because It Rewrote the Golden File

#testing #ai #devtools #ci

6 min read

Finley Zhou

Sep 14

Run the Patch Twice: A Paired-Run Matrix to Prove an Agent's Tests Actually Observe the Change

#testing #ai #agents #python

5 min read

Finley Zhou

Sep 14

Green Locally, Red on the Server: A Two-Environment Gate for Agent Patches

#testing #ai #devops #programming

7 min read

Finley Zhou

Sep 14

Scope Creep Is the Bug: Measure an Agent Patch's Blast Radius Before You Trust Its Tests

#testing #ai #devops #python

6 min read

Finley Zhou

Sep 14

Your Agent Patch Gate Is Racing Itself: Isolate Before You Quarantine

#testing #ai #devops #agents

1

5 min read

Finley Zhou

Sep 14

Tag Agent Patch Tests by Clock Class Before They Touch a Shared Runner

#testing #agents #python #cicd

7 min read

Finley Zhou

Sep 14

Record the Public Surface, Then Count Unique Predicates

#testing #python #agents #ci

7 min read

Finley Zhou

Sep 14

Freeze the Counterexample, Not the Test File

#testing #python #ai #git

9 min read

Finley Zhou

Sep 13

If a Hunk Survives Revert, It Does Not Belong in the Merge

#testing #python #git #ai

8 min read

Finley Zhou

Sep 13

Do Not Merge Agent Code Until Its New Tests Kill a Hunk Mutant

#testing #python #agents #git

7 min read

Finley Zhou

Sep 13

A Single Green Pytest Run Is Not a Merge Signal for Agent Patches

#testing #python #agents #ci

6 min read

Finley Zhou

Sep 13

Agent Patches Need a Second Oracle and a Fail-Closed Flake List

#testing #python #agents #devops

7 min read

Finley Zhou

Sep 13

Lock the Pre-Fix Seed Before You Trust a Property Check

#testing #python #ai #devops

7 min read

Finley Zhou

Sep 13

Make the Test Diff Boring Before Merging an Agent Patch

#testing #python #ai #ci

8 min read

Finley Zhou

Sep 13

Score Agent Patches by Oracle Class, Then Bound the Campaign

#testing #python #agents #ci

6 min read

Finley Zhou

Sep 13

A Frozen Test That Turns Green Is a Merge Blocker

#testing #python #agents #ci

7 min read

Finley Zhou

Sep 13

Split the Oracle From the Author Before You Merge an Agent Patch

#testing #agents #python #ci

8 min read

Finley Zhou

Sep 12

Score Agent Diffs With a Claim Matrix, Not a Green Check

#testing #python #ai #agents

8 min read

Finley Zhou

Sep 12

Block Agent Diffs That Mutate Invariants, Fixtures, or the Flake Freeze

#testing #ai #python #agents

8 min read

Finley Zhou

Sep 12

Pin Observed Behavior Before an Agent Patch Moves It

#testing #agents #python #cicd

7 min read

Finley Zhou

Sep 12

Unclassified Tests Cannot Green an Agent Patch

#testing #python #agents #ci

7 min read

Writing Debut