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[UnusedDeclarationRule] Add more tests (#3359)
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Source/SwiftLintFramework/Rules/Lint/UnusedDeclarationRuleExamples.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| struct UnusedDeclarationRuleExamples { | ||
| static let nonTriggeringExamples = [ | ||
| Example(""" | ||
| let kConstant = 0 | ||
| _ = kConstant | ||
| """), | ||
| Example(""" | ||
| enum Change<T> { | ||
| case insert(T) | ||
| case delete(T) | ||
| } | ||
| extension Sequence { | ||
| func deletes<T>() -> [T] where Element == Change<T> { | ||
| return compactMap { operation in | ||
| if case .delete(let value) = operation { | ||
| return value | ||
| } else { | ||
| return nil | ||
| } | ||
| } | ||
| } | ||
| } | ||
| let changes = [Change.insert(0), .delete(0)] | ||
| changes.deletes() | ||
| """), | ||
| Example(""" | ||
| struct Item {} | ||
| struct ResponseModel: Codable { | ||
| let items: [Item] | ||
| enum CodingKeys: String, CodingKey { | ||
| case items = "ResponseItems" | ||
| } | ||
| } | ||
| _ = ResponseModel(items: [Item()]).items | ||
| """), | ||
| Example(""" | ||
| class ResponseModel { | ||
| @objc func foo() { | ||
| } | ||
| } | ||
| _ = ResponseModel() | ||
| """), | ||
| Example(""" | ||
| public func foo() {} | ||
| """), | ||
| Example(""" | ||
| protocol Foo {} | ||
| extension Foo { | ||
| func bar() {} | ||
| } | ||
| struct MyStruct: Foo {} | ||
| MyStruct().bar() | ||
| """) | ||
| ] + platformSpecificNonTriggeringExamples | ||
|
|
||
| static let triggeringExamples = [ | ||
| Example(""" | ||
| let ↓kConstant = 0 | ||
| """), | ||
| Example(""" | ||
| struct Item {} | ||
| struct ↓ResponseModel: Codable { | ||
| let ↓items: [Item] | ||
| enum ↓CodingKeys: String { | ||
| case items = "ResponseItems" | ||
| } | ||
| } | ||
| """), | ||
| Example(""" | ||
| class ↓ResponseModel { | ||
| func ↓foo() { | ||
| } | ||
| } | ||
| """), | ||
| Example(""" | ||
| protocol Foo { | ||
| func ↓bar1() | ||
| } | ||
| extension Foo { | ||
| func bar1() {} | ||
| func ↓bar2() {} | ||
| } | ||
| struct MyStruct: Foo {} | ||
| _ = MyStruct() | ||
| """) | ||
| ] + platformSpecificTriggeringExamples | ||
|
|
||
| #if os(macOS) | ||
| private static let platformSpecificNonTriggeringExamples = [ | ||
| Example(""" | ||
| import Cocoa | ||
| @NSApplicationMain | ||
| final class AppDelegate: NSObject, NSApplicationDelegate { | ||
| func applicationWillFinishLaunching(_ notification: Notification) {} | ||
| func applicationWillBecomeActive(_ notification: Notification) {} | ||
| } | ||
| """) | ||
| ] | ||
|
|
||
| private static let platformSpecificTriggeringExamples = [ | ||
| Example(""" | ||
| import Cocoa | ||
| @NSApplicationMain | ||
| final class AppDelegate: NSObject, NSApplicationDelegate { | ||
| func ↓appWillFinishLaunching(_ notification: Notification) {} | ||
| func applicationWillBecomeActive(_ notification: Notification) {} | ||
| } | ||
| """), | ||
| Example(""" | ||
| import Cocoa | ||
| final class ↓AppDelegate: NSObject, NSApplicationDelegate { | ||
| func applicationWillFinishLaunching(_ notification: Notification) {} | ||
| func applicationWillBecomeActive(_ notification: Notification) {} | ||
| } | ||
| """) | ||
| ] | ||
| #else | ||
| private static let platformSpecificNonTriggeringExamples = [Example]() | ||
| private static let platformSpecificTriggeringExamples = [Example]() | ||
| #endif | ||
| } |
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