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Travis Frisinger

Software consultant. I split my time between hard distributed problems and the craft of tests, names, and small steps. tddbuddy.com is where the two meet; the blog publishes itself.

Education

MS in Software Engineering && BS in Computer Science

Pronouns

he/him

Work

Head of Agentic AI

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Writing Debut
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The Agent's Memory Is Not a Test Suite

The Agent's Memory Is Not a Test Suite

Comments
7 min read

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Red-Green-Refactor Was Always a Provenance Rule

Red-Green-Refactor Was Always a Provenance Rule

BERJAYA 1
Comments
7 min read
Self-Healing Tests Are the Vendor Version of the Corrupted Signal

Self-Healing Tests Are the Vendor Version of the Corrupted Signal

BERJAYA 1
Comments
8 min read
Agent PRs Do Not Converge Under Design Review

Agent PRs Do Not Converge Under Design Review

BERJAYA 1
Comments
8 min read
Over-Mocking Is a Governance Problem, Not a Review Smell

Over-Mocking Is a Governance Problem, Not a Review Smell

BERJAYA 1
Comments
7 min read
The Visible Test Suite Is the Ceiling on What the Next Agent Can Deliver

The Visible Test Suite Is the Ceiling on What the Next Agent Can Deliver

BERJAYA 1
Comments
8 min read
Property-Based Tests Are the Guardrail Agents Need

Property-Based Tests Are the Guardrail Agents Need

BERJAYA 1
Comments
8 min read
Lights Out, Part 3: The Hill Climb

Lights Out, Part 3: The Hill Climb

Comments
8 min read
Lights Out, Part 2: Earning Confidence

Lights Out, Part 2: Earning Confidence

BERJAYA 1
Comments
8 min read
Lights Out, Part 1: The Flat Loop

Lights Out, Part 1: The Flat Loop

BERJAYA 1
Comments 1
7 min read
The Agent's TODO Is a Signed Confession, Not a Marker

The Agent's TODO Is a Signed Confession, Not a Marker

Comments
8 min read
Harness Engineering Is the Test Suite, Renamed

Harness Engineering Is the Test Suite, Renamed

BERJAYA BERJAYA BERJAYA 6
Picked as gem Comments 2
7 min read
The Bounded Context Is the Scope the Agent Actually Needs

The Bounded Context Is the Scope the Agent Actually Needs

BERJAYA 2
Comments 2
8 min read
The Contract Test Is the Only Witness the Agent Cannot Author

The Contract Test Is the Only Witness the Agent Cannot Author

BERJAYA 1
Comments 2
8 min read
AI Reviewing AI Is Not Review

AI Reviewing AI Is Not Review

BERJAYA BERJAYA BERJAYA 6
Comments 4
8 min read
Cohesion Is the Coverage of the Agent Era

Cohesion Is the Coverage of the Agent Era

BERJAYA 1
Comments
8 min read
The Coordinated Rename Is the Agent's Most Dangerous Refactor

The Coordinated Rename Is the Agent's Most Dangerous Refactor

BERJAYA 1
Comments
8 min read
Test Deletion Is a Privileged Operation

Test Deletion Is a Privileged Operation

BERJAYA 1
Comments 1
9 min read
Refactor Was Always Where Compounding Lived

Refactor Was Always Where Compounding Lived

BERJAYA 1
Comments
9 min read
The Instruction File Is Not the Discipline

The Instruction File Is Not the Discipline

BERJAYA 1
Comments
8 min read
Spec-Driven Development Is the Prose-Spec Drift Trap, Reborn

Spec-Driven Development Is the Prose-Spec Drift Trap, Reborn

BERJAYA 3
Comments 3
14 min read
Tamper-Resistant Test Design Is What the Suite Now Owes the Codebase

Tamper-Resistant Test Design Is What the Suite Now Owes the Codebase

BERJAYA 1
Comments
13 min read
TDD Is Scaffolding for AI, Not a Speed Bump

TDD Is Scaffolding for AI, Not a Speed Bump

Comments
3 min read
A Flaky Test Is a Corrupted Reward Signal

A Flaky Test Is a Corrupted Reward Signal

Comments
11 min read
AI Agents Need Test Suites, Not Code Reviewers

AI Agents Need Test Suites, Not Code Reviewers

BERJAYA 1
Comments
3 min read
Your Test Suite Is Your API for Agents

Your Test Suite Is Your API for Agents

Comments
3 min read
Katas Are Rehearsal, Not Performance

Katas Are Rehearsal, Not Performance

Comments
3 min read
The Test Pyramid Was an Economic Argument

The Test Pyramid Was an Economic Argument

Comments
10 min read
TDD Already Does BDD, Without the Gherkin

TDD Already Does BDD, Without the Gherkin

Comments
7 min read
BDD Was a Coordination Tax. AI Just Repriced It

BDD Was a Coordination Tax. AI Just Repriced It

Comments
10 min read
The Bar for TDD Just Moved

The Bar for TDD Just Moved

BERJAYA 1
Comments 1
8 min read
Agents Pattern-Match Your Test Smells

Agents Pattern-Match Your Test Smells

Comments
12 min read
Agents Should Do TDD: For the Same Reason You Should Have

Agents Should Do TDD: For the Same Reason You Should Have

Comments
13 min read
Just-in-Time Tests Are What You Get When You Gave Up

Just-in-Time Tests Are What You Get When You Gave Up

Comments
12 min read
Where the Review Point Moved

Where the Review Point Moved

Comments
12 min read
Product Literacy Is the New Core Engineering Skill

Product Literacy Is the New Core Engineering Skill

Comments 1
13 min read
Coverage Was a Proxy. The Proxy Just Failed.

Coverage Was a Proxy. The Proxy Just Failed.

Comments
13 min read
What 'Senior' Means When Typing Is Free

What 'Senior' Means When Typing Is Free

Comments
14 min read
World-Building Is the Test Discipline Agents Need

World-Building Is the Test Discipline Agents Need

Comments
10 min read
Agents Amplify Whatever Vocabulary They Find

Agents Amplify Whatever Vocabulary They Find

Comments
13 min read
Characterization Tests Are How Agents Enter Legacy Code

Characterization Tests Are How Agents Enter Legacy Code

Comments
10 min read
Examples Pin Intent. Properties Pin the Invariants.

Examples Pin Intent. Properties Pin the Invariants.

Comments
14 min read
Evals Are Tests Wearing a Lab Coat

Evals Are Tests Wearing a Lab Coat

Comments
10 min read
The Hidden Output of TDD Was Never Code

The Hidden Output of TDD Was Never Code

Comments
12 min read
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