Gio Lodi • 10/17/2021

When to test a @Published property using sink

This technical article addresses a common question in Swift Test-Driven Development: when to test a @Published property by accessing it directly versus subscribing with sink. It provides a rule of thumb, detailed explanations of @Published behavior, and code examples for both testing approaches, helping developers write more effective unit tests for reactive SwiftUI or Combine code.

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#unit testing #tdd #Swift