Search results for Gherkin Tests

Tests That Survive Change

How to write Ruby tests that survive refactoring: what to test, what to ignore, and how to keep doubles from going stale.

How I Think About Tests: Skips

Originally appeared on Rails at Scale. If you’ve ever written a test for your code, you’re probably familiar with typical test framework methods: test/it to define test cases, and...

Negative Testing

Boundary testing

Equivalence partitioning

Stub responses to test code that interacts with RubyLLM

If you are using RubyLLM, but struggling to test code that interacts with an LLM, check out the new gem RubyLLM::Test. It makes it easy to stub responses as well as validate reques...

Table-test или как помочь агенту понять как тестироваться

Агенты сейчас пишут тесты уже за многими из нас, будем объективны, все больше людей кидаем таску ему - получают пачку аппрувов и погнали все это мержитьНо есть, скажем так, ненулев...

Unit Tests: Keep Your CRAP Score from Wrecking the Show

Testing Spinel (from RubyKaigi 2026) in real conditions 👇

https://rubystacknews.com/2026/04/27/spinel-in-practice-what-works-and-what-breaks/

Behavior-Driven Development in R Shiny: Asserting Outcomes with Then Steps

Learn how to write Then steps that assert outcomes without coupling to implementation. Build custom testthat expectations and keep your BDD assertions at the right level. Continue...

Real Python: Quiz: Testing Your Code With Python's unittest

In this quiz, you’ll test your understanding of Testing Your Code With Python’s unittest. By working through this quiz, you’ll revisit key concepts like structuring tests with Test...

The test suite as a regression sensor

Birgitta Böckeler finishes her post on sensors for coding agents by examining the role of a test suite as a regression sensor, focusing on the role mutation testing can...

TWIQ 139 - Models and Negative Testing

http_decoy — a real Rack server that runs inside your RSpec tests

Spin up a real WEBrick server in your test suite with a clean DSL. Define routes, validate request contracts, simulate failure scenarios, and tear down automatically. No VCR cass...

11 Test Smells That Make Your Tests Lie to You

Learn to recognize problems in R test code that cause your test suite to pass while hiding real bugs. Detect those issues and start writing more trustworthy tests. Continue readi...

Why Your Rails Fixture Accessor Returns an Array (and Only Sometimes)

Originally appeared on Code With Rails.A Rails test fixture accessor that returns an empty Array instead of a record, flaky between local and CI. The cause is method_missing-based...

World Cup ducks

Why Duck Typer?

Originally appeared on Giant Robots Smashing Into Other Giant Robots.Duck Typer is a Ruby gem that validates interface compatibility across polymorphic classes sharing the same rol...

LostCarPark Drupal Blog: Creating tests for Drupal module Update Hooks

Creating tests for Drupal module Update Hooks lostcarpark_admin Wed, 06/10/2026 - 10:53 Image Body What is an Updat...

Defect

Automation Test Engineer

Advanced Mocking Strategies: Mastering Test Doubles & Behavior Verification

Every experienced developer has been there: a test suite that passes on your machine but fails in CI, a green build that hides a broken integration, or a test that's so tightly cou...

Cursor пишет вам unit‑тесты за минуту. 5 паттернов, на которых эти тесты пропустят любой баг

Cursor, Copilot и другие AI‑инструменты обещают быстро закрыть рутину с unit‑тестами: сгенерировать кейсы, расставить моки, добавить ассерты и поднять покрытие. Но зелёные тесты ещ...