Journal
Secrets of flaky test detection and fixing in CI pipelinesA flaky test passes and fails without a relevant code change. That behaviour makes a CI pipeline difficult to trust: a green build can hide a defect, while a…Performance testing REST endpoints with Gatling and ScalaA REST API can appear healthy in functional tests and still struggle when real users arrive concurrently. Response times rise, connection pools fill,…Strategies for Generating Realistic Test Data with InstancioGood test data sits between two extremes. Values that are completely random rarely expose meaningful defects, while hand-written fixtures become repetitive,…Database Testing With Testcontainers in Java MicroservicesA Java microservice can pass every unit test and still fail when it meets a real database. SQL dialect differences, transaction boundaries, migration ordering,…How To Test gRPC Services In Java End-To-EndgRPC is a strong fit for internal APIs that need fast communication, strict contracts, and streaming support. In a Java system, though, a passing unit test for…Groovy Spock Framework: A Beginner’s Guide to Data-Driven TestingData-driven testing lets one test specification run against many inputs and expected outcomes. Instead of creating separate methods for every valid, invalid,…Live Roulette Sticky Wild Mechanics And Wolf TreasureSearches for “live roulette sticky wild” often bring together several casino concepts that actually belong to different game formats. Live roulette is based on…How to Write Robust Integration Tests for Spring Boot REST APIsA Spring Boot REST API can pass unit tests and still fail when its controllers, validation, persistence layer, security configuration and external clients work…Testing Asynchronous Java Code With CompletableFuture and AwaitilityAsynchronous Java code can finish after the test method has already moved on. A service may return a CompletableFuture, publish an event, update a cache, or…ing external HTTP calls with WireMock in Java integration testsWhen a payment service in a Brisbane fintech starts behaving like a flaky spring storm, developers learn quickly that integration tests must not depend on the…