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.NET 29 Nov 2025

Asserting on Events When There Are No Getters

Two test files, one estate, one deliberate contrast - and the answer to the question a fully encapsulated aggregate forces on you. Six test methods in 14,559 lines, by design.

Microservices 24 Sep 2025

The Test Folder That Lies

Nine DShop services ship a tests folder and only one of them tests anything - a census where five test projects cannot even see the code they claim to cover and the lone unit test asserts a thing that never happens. Part 14 of Nine Services and a Message Bus.

.NET 19 Jul 2025

Testing a Message You Can't Await

How do you assert that an endpoint published an event when publishing is a side effect with no return channel? FeedR's end-to-end test answers with WebApplicationFactory, a real Redis round-trip, and a TaskCompletionSource - plus the timeout and determinism traps the sample leaves open. Part 9 of the FeedR deep dive.

.NET 20 Jun 2025

Route-less Tests: Integration Testing With Typed Clients

FastEndpoints ships a testing package where tests call endpoints by class name, apps boot once per fixture, and even command handlers can be faked - the route string never appears in a test. Part 14 of FastEndpoints in Depth.