Finley Zhou - DEV Community

Finley Zhou

Nov 7

Two Authors, One Patch: Don't Let the Agent That Wrote the Code Write the Oracle

#testing #ai #programming #devops

7 min read

Finley Zhou

Nov 7

Your Fixtures Are the Spec: Fixture Mutation as the Missing Gate for Agent Patches

#testing #ai #python #cicd

6 min read

Finley Zhou

Nov 7

Skip Is Not a Freeze: Revocable Seeded Freezes for Agent Patches

#testing #python #ai #devtools

6 min read

Finley Zhou

Nov 7

Budget the Gate, Not Just the Tests: Stage Caps and a Calibration Check for Agent Patches

#testing #ci #python #ai

6 min read

Finley Zhou

Nov 7

Stop Writing Test Strategies for Agent Patches. Write a Contract Your CI Can Enforce.

#testing #ai #python #cicd

1

7 min read

Finley Zhou

Nov 7

Run Less, Prove More: Diff-Scoped Test Gating for Agent Patches

#testing #python #ai #cicd

6 min read

Finley Zhou

Nov 7

A Green Run Is a Claim, Not Evidence: Re-deriving Agent Patch Test Runs

#testing #ai #python #devops

5 min read

Finley Zhou

Nov 6

Property Checks Need Enemies: A Degenerate-Oracle Battery for Agent Patches

#testing #python #ai #codequality

1

6 min read

Finley Zhou

Nov 6

Route Agent Patches to the Cheapest Gate That Can Catch Them

#testing #ai #python #opensource

7 min read

Finley Zhou

Nov 6

Quarantine Withdraws Coverage: Find the Only Witness Before You Freeze a Test

#testing #ai #programming #ci

6 min read

Finley Zhou

Nov 6

Mutate the Fixture, Not the Code: Catching Agent Tests That Only Mirror the Implementation

#testing #python #ai #ci

6 min read

Finley Zhou

Nov 6

Three Green Reruns Prove Almost Nothing: Sizing a Flake-Detection Budget for Agent Patches

#testing #ai #python #cicd

7 min read

Finley Zhou

Nov 6

Inherited Green: Freeze Debt Accounting for Agent Patches

#testing #ai #python #devtools

7 min read

Finley Zhou

Nov 6

Passing Alone Is Not Passing: An Order-Sensitivity Gate for Agent Patches

#testing #python #ai #cicd

7 min read

Finley Zhou

Nov 5

Order Beats Randomness: Bisecting Test Pollution in Agent Patches

#testing #pytest #ai #debugging

5 min read

Finley Zhou

Nov 5

When a Flake Freeze Expires: Three Ledger Checks Before the Test Comes Back

#testing #devops #python #ai

6 min read

Finley Zhou

Nov 5

Trusted Coverage: Stop Counting Tests You've Already Quarantined

#testing #ai #devops #python

7 min read

Finley Zhou

Nov 5

A Frozen Test Still Needs a Failure Path: Canaries and Exit Criteria for Quarantine Lanes

#testing #ci #python #devops

1

7 min read

Finley Zhou

Oct 28

A Freeze Needs a Witness: Seed-Matrix Triage Before You Quarantine a Flaky Test

#testing #ai #python #devtools

6 min read

Finley Zhou

Oct 27

Did the Patch Cause the Flake, or Find It? A Base/Head Attribution Gate for Agent Patches

#testing #ai #python #devops

6 min read

Finley Zhou

Oct 27

Quarantine Is a Loan, Not a Fix: Attributing Agent-Patch Flakes Before You Freeze Them

#testing #python #ai #ci

7 min read

Finley Zhou

Oct 27

One Manifest Diff Catches Agents Weakening Tests, Fixtures, and Flake Freezes

#testing #ai #python #devtools

6 min read

Finley Zhou

Oct 27

Patches Are Cheap Now. Verification Isn't: A Tiered Evidence Budget for Agent Patches

#testing #ai #python #devtools

6 min read

Finley Zhou

Oct 27

Order Is a Hidden Input: A Permutation Verdict for Agent Patches

#testing #pytest #ai #devtools

7 min read

Finley Zhou

Oct 27

Fewer Tests Ran, All Tests Passed: A Collection Census for Agent Patches

#testing #python #ai #cicd

6 min read

Finley Zhou

Oct 27

Agent Patches Don't Need the Whole Suite: A Skip-Witness Gate With Patch-Keyed Shadow Sampling

#testing #ai #python #devops

7 min read

Finley Zhou

Oct 27

The Agent Patch Loosened the Assertion and the Suite Stayed Green: An Oracle-Latitude Gate

#testing #python #ai #devtools

6 min read

Finley Zhou

Oct 27

Which Gate Should Run First? Ordering Agent-Patch Checks by Yield per Second

#testing #python #ai #devops

6 min read

Finley Zhou

Oct 26

The Assertion Got Weaker and the Build Went Green: Diffing Oracle Strength in Agent Patches

#testing #ai #python #devtools

7 min read

Finley Zhou

Oct 26

Retries Are Not Evidence: A Sample-Size Gate for Agent Patches

#testing #ai #python #devtools

7 min read

Finley Zhou

Oct 26

Your Agent-Patch Gates Overlap. Measure It Before You Add a Fourth.

#testing #ai #python #ci

1

7 min read

Finley Zhou

Oct 26

Canary Mutations for Fixtures: A Sensitivity Gate for Agent-Written Patches

#testing #ai #python #devops

7 min read

Finley Zhou

Oct 26

Your Agent Patch Edited conftest.py: A Fixture-Contract Gate With a Blast-Radius Map

#testing #python #ai #codequality

5 min read

Finley Zhou

Oct 26

The Agent Patch Edited the Fixture, Not the Bug: A Provenance Gate for Test Data

#testing #ai #python #devops

5 min read

Finley Zhou

Oct 26

The Fixture Moved With the Code: Pinning Test Inputs Before an Agent Patch Rewrites Its Own Oracle

#testing #ai #python #devtools

6 min read

Finley Zhou

Oct 20

A Frozen Test Can't Justify a Patch: Lease-Bound Freezes and Witnessed Properties for Agent Patches

#testing #ai #devops #python

6 min read

Finley Zhou

Oct 20

The Patch Didn't Break the Test. It Added a Clock: An Ambient-Input Ledger for Agent Patches

#testing #ai #python #devtools

6 min read

Finley Zhou

Oct 20

Nothing Failed. The Suite Just Got Slower: A Wall-Clock Budget Gate for Agent Patches

#testing #ai #devops #python

1

6 min read

Finley Zhou

Oct 20

The Patch Added a Sleep: Reviewing Timing and Retry Hunks Before Merge

#testing #ai #python #cicd

6 min read

Finley Zhou

Oct 19

Green by Forgiveness: Three Budgets That Catch Agent Patches Passing for the Wrong Reason

#testing #ai #python #devtools

6 min read

Finley Zhou

Oct 19

A Freeze With an Expiry: Rate-Based Triage for Flaky Tests After an Agent Patch

#testing #ai #python #cicd

6 min read

Finley Zhou

Oct 19

Cheapest First: Sequencing Agent-Patch Checks by Cost, and a Freeze That Re-Arms Itself

#testing #ai #python #devops

5 min read

Finley Zhou

Oct 19

Which Check Would Have Caught It? A Fault-to-Test Attribution Matrix for Agent Patches

#testing #ai #python #devtools

6 min read

Finley Zhou

Oct 19

Put the Verifier Where the Agent Can't Write: A Remote Testing Packet for Agent Patches

#testing #ai #devops #python

6 min read

Finley Zhou

Oct 19

Green Tests, Shrinking Surface: A Census That Catches Agent Patches Weakening Their Own Tests

#testing #ai #python #ci

6 min read

Finley Zhou

Oct 19

A Green Suite That Rewrote Its Own Fixture: Write-Set Audits and Expiring Quarantines for Agent Patches

#testing #ai #python #devops

6 min read

Finley Zhou

Oct 18

Is It Flaky or Is It Your Patch? A Base-vs-Head Attribution Matrix

#testing #python #ai #cicd

6 min read

Finley Zhou

Oct 18

The Fixture Moved With the Assertion: A Co-Movement Gate for Agent Patches

#testing #ai #python #ci

6 min read

Finley Zhou

Oct 18

The Patch Reads the Wall Clock: A Time-Source Audit for Agent Patches

#testing #ai #devtools #javascript

6 min read

Finley Zhou

Oct 18

Green in One Order, Broken in Another: A Shuffle-and-Bisect Harness for Agent Patches

#testing #python #ai #devops

2

7 min read

Finley Zhou

Oct 18

Your Agent Patch's Green Didn't Travel: A Portability Ledger for Two-Machine Test Evidence

#testing #ai #devops #python

6 min read

Finley Zhou

Oct 18

The Suite Only Passes in One Order: A Seed-Sweep Audit for Agent Patches

#testing #ai #python #devops

6 min read

Finley Zhou

Oct 18

Properties Without Witnesses Are Decorations: A Falsifiability Gate for Agent Patches

#testing #ai #python #devtools

5 min read

Finley Zhou

Oct 17

A Skipped Test Is a Withdrawal: Make Agent Patches Deposit a Property Before You Freeze a Flake

#testing #ai #python #devops

6 min read

Finley Zhou

Oct 17

Order Is a Hidden Input: Permutation-Sweeping an Agent-Patched Test Suite

#testing #python #ai #cicd

5 min read

Finley Zhou

Oct 17

Green Suite, Three Unchecked Claims: Domain Fingerprints, Fixture Re-derivation, and a Freeze Budget

#testing #python #ai #devops

7 min read

Finley Zhou

Oct 17

Agent Patches Touch Your Fixtures Too: Fingerprint the Setup Layer Before You Freeze a Flaky Test

#testing #ai #python #cicd

6 min read

Finley Zhou

Oct 17

Your Agent Patch's Tests Never Touched the Changed Lines: A Diff-Coverage Gate

#testing #ai #devops #python

6 min read

Finley Zhou

Oct 16

Test Selection Is a Claim: Audit Which Tests an Agent Patch Actually Ran

#testing #ai #python #devops

6 min read

Finley Zhou

Oct 16

Diff-Scoped Mutation Probing: An Assertion-Strength Ledger for Agent Patches

#testing #ai #python #devtools

6 min read

Writing Debut