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Alexandre Alcuvilla

@screwdriverJoined January 2022

#SwiftUI #Swift #DesignPattern #CleanArchi #iOS

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SwiftUI Centralswiftuicentral.com15 posts

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Recently published

AAAlexandre Alcuvillaswiftuicentral.comJun 29 · 8 min read

The Composition Root Pattern in SwiftUI Apps

Every article in this series has ended with the same instruction: wire everything at the Composition Root. We've used it as the place where RemoteFeedRepository meets CachingFeedRepository, where User

AAAlexandre Alcuvillaswiftuicentral.comJun 29 · 7 min read

Snapshot Testing in SwiftUI: Catching Visual Regressions Automatically

Unit tests verify logic. UI tests verify user flows. But neither catches the moment a refactor silently shifts a layout, changes a font, or breaks a dark mode style. Snapshot testing fills that gap. O

AAAlexandre Alcuvillaswiftuicentral.comJun 29 · 7 min read

Dependency Inversion in SwiftUI: Programming to Protocols

Of all the SOLID principles, the Dependency Inversion Principle (DIP) is the one that most directly enables testability and long-term flexibility. Yet it's also the most commonly misunderstood. DIP st

AAAlexandre Alcuvillaswiftuicentral.comJun 22 · 8 min read

Test-Driving a Cache Layer in SwiftUI

In previous articles, we built a CachingFeedRepository by writing the implementation first and tests after. That works — but it leaves a subtle gap: the tests are shaped by the implementation you alre

AAAlexandre Alcuvillaswiftuicentral.comMay 8 · 8 min read

Single Responsibility: Breaking Up Fat ViewModels in SwiftUI

The Single Responsibility Principle (SRP) states that a class should have one reason to change. It's the first letter of SOLID, and arguably the one most frequently violated in SwiftUI projects. The c

Alexandre Alcuvilla

About

Available for

Alexandre Alcuvilla's blogs

Recently published

The Composition Root Pattern in SwiftUI Apps

Snapshot Testing in SwiftUI: Catching Visual Regressions Automatically

Dependency Inversion in SwiftUI: Programming to Protocols

Test-Driving a Cache Layer in SwiftUI

Single Responsibility: Breaking Up Fat ViewModels in SwiftUI

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Alexandre Alcuvilla

About

Available for

Alexandre Alcuvilla's blogs

Recently published

The Composition Root Pattern in SwiftUI Apps

Snapshot Testing in SwiftUI: Catching Visual Regressions Automatically

Dependency Inversion in SwiftUI: Programming to Protocols

Test-Driving a Cache Layer in SwiftUI

Single Responsibility: Breaking Up Fat ViewModels in SwiftUI