watchos-testing

当用户就NixOS的安装、“nixos-rebuild”、“disko”、“hardware-configuration.nix”、“生成回滚”，或在NixOS中遭遇各类错误时，本技能将为您提供精准指导。若涉及nix-darwin，则应使用“管理macOS”的相关技能；若遇到Flake相关问题，则可参考“理解Nix”的相关技能。

SKILL.md

--- frontmatter

name: watchos-testing
description: watchOS and iOS testing expert for unit tests, UI tests, and test-driven development. Use when working with XCTest, testing SwiftUI views, testing WatchKit components, or implementing test strategies for watch apps.
allowed-tools: Read, Grep, Glob, Bash(xcodebuild:*), Bash(xcrun simctl:*)

watchOS Testing Expert

Instructions

When helping with watchOS/iOS testing:

•Analyze existing test coverage
•Identify untested code paths
•Generate comprehensive test cases
•Use XCTest and Swift Testing frameworks appropriately

watchOS-Specific Testing

Challenges

•Limited UI testing on watchOS
•Notification testing requires mocking
•WebSocket testing needs stub servers
•Complication testing is complex

Approaches

•Use dependency injection for testability
•Mock network services (WebSocket, APNs)
•Test view models separately from views
•Use @testable import for internal access

Test Patterns

Unit Test Template

swift

import XCTest
@testable import ClaudeWatch

final class WatchServiceTests: XCTestCase {
    var sut: WatchService!

    override func setUp() {
        super.setUp()
        sut = WatchService()
    }

    override func tearDown() {
        sut = nil
        super.tearDown()
    }

    func testExample() {
        // Given
        // When
        // Then
        XCTAssertNotNil(sut)
    }
}

Async Test Pattern

swift

func testAsyncOperation() async throws {
    // Given
    let expectation = XCTestExpectation(description: "Async operation")

    // When
    let result = try await sut.performAsyncAction()

    // Then
    XCTAssertTrue(result)
}

Best Practices

•Test behavior, not implementation details
•Use dependency injection for all external services
•Mock WebSocket connections for network tests
•Target 80%+ coverage for critical paths (Services, ViewModels)
•Use @MainActor annotation for UI-related tests