cyberneticlibrary

Build testable Swift with dependency injection

swift-protocol-di-testingskillsetup L20
Sheshiyer/skill-clusters
What it does

Abstract external dependencies behind focused Swift protocols

Best for

Testing Swift code with file system and network I/O without triggering real failures.

Inputs
  • · Swift source code
  • · test framework (Swift Testing or XCTest)
Outputs
  • · refactored module with protocols
  • · mock implementations
  • · test examples
Requires
  • · swift
Preconditions

Swift 5.9+; Xcode 15+ with Observation available

Failure modes

Sendable violation; over-mocking internals; protocol bloat

Trust signals
  • · Pattern examples included
  • · Mock factory shown
  • · Anti-patterns documented