Tweak SwiftLint configurations

Author: ikesyo

.swiftlint.yml

@@ -1,6 +1,3 @@
-disabled_rules:
-  - 
-
 included:
   - Sources
   - Tests
@@ -11,12 +8,11 @@ excluded:
   - Tests/NimbleTests/XCTestManifests.swift
   - Tests/NimbleTests/Helpers/XCTestCaseProvider.swift
 
-trailing_comma:
-  mandatory_comma: true
+disabled_rules:
+  - 
 
-line_length:
-  ignores_comments: true
-  ignores_function_declarations: true
+opt_in_rules:
+  - yoda_condition
 
 identifier_name:
   max_length: 50
@@ -30,3 +26,12 @@ identifier_name:
     - to
   allowed_symbols:
       - _
+
+line_length:
+  warning: 160
+  error: 240
+  ignores_comments: true
+  ignores_function_declarations: true
+
+trailing_comma:
+  mandatory_comma: true

Sources/Nimble/Adapters/NMBExpectation.swift

@@ -36,13 +36,11 @@ private func from(matcher: NMBMatcher, style: ExpectationStyle) -> Predicate<NSO
 
 // Equivalent to Expectation, but for Nimble's Objective-C interface
 public class NMBExpectation: NSObject {
-    // swiftlint:disable identifier_name
     internal let _actualBlock: () -> NSObject?
     internal var _negative: Bool
     internal let _file: FileString
     internal let _line: UInt
     internal var _timeout: DispatchTimeInterval = .seconds(1)
-    // swiftlint:enable identifier_name
 
     @objc public init(actualBlock: @escaping () -> NSObject?, negative: Bool, file: FileString, line: UInt) {
         self._actualBlock = actualBlock

Sources/Nimble/Adapters/NMBObjCMatcher.swift

@@ -1,17 +1,13 @@
 #if canImport(Darwin)
 import class Foundation.NSObject
 
-// swiftlint:disable line_length
 public typealias MatcherBlock = (_ actualExpression: Expression<NSObject>, _ failureMessage: FailureMessage) throws -> Bool
 public typealias FullMatcherBlock = (_ actualExpression: Expression<NSObject>, _ failureMessage: FailureMessage, _ shouldNotMatch: Bool) throws -> Bool
-// swiftlint:enable line_length
 
 @available(*, deprecated, message: "Use NMBPredicate instead")
 public class NMBObjCMatcher: NSObject, NMBMatcher {
-    // swiftlint:disable identifier_name
     let _match: MatcherBlock
     let _doesNotMatch: MatcherBlock
-    // swiftlint:enable identifier_name
     let canMatchNil: Bool
 
     public init(canMatchNil: Bool, matcher: @escaping MatcherBlock, notMatcher: @escaping MatcherBlock) {

Sources/Nimble/DSL+Wait.swift

@@ -44,7 +44,6 @@ internal class NMBWait: NSObject {
         action: @escaping (@escaping () -> Void) throws -> Void) {
             let awaiter = NimbleEnvironment.activeInstance.awaiter
             let leeway = timeout.divided
-            // swiftlint:disable:next line_length
             let result = awaiter.performBlock(file: file, line: line) { (done: @escaping (ErrorResult) -> Void) throws -> Void in
                 DispatchQueue.main.async {
                     let capture = NMBExceptionCapture(

Sources/Nimble/DSL.swift

@@ -65,7 +65,6 @@ internal func nimblePrecondition(
 }
 
 internal func internalError(_ msg: String, file: FileString = #file, line: UInt = #line) -> Never {
-    // swiftlint:disable line_length
     fatalError(
         """
         Nimble Bug Found: \(msg) at \(file):\(line).

Sources/Nimble/Expectation.swift

@@ -88,7 +88,6 @@ public struct Expectation<T> {
     @discardableResult
     public func toNot<U>(_ matcher: U, description: String? = nil) -> Self
         where U: Matcher, U.ValueType == T {
-        // swiftlint:disable:next line_length
         let (pass, msg) = expressionDoesNotMatch(expression, matcher: matcher, toNot: "to not", description: description)
         verify(pass, msg)
         return self

Sources/Nimble/Expression.swift

@@ -22,10 +22,8 @@ internal func memoizedClosure<T>(_ closure: @escaping () throws -> T) -> (Bool)
 /// This provides a common consumable API for matchers to utilize to allow
 /// Nimble to change internals to how the captured closure is managed.
 public struct Expression<T> {
-    // swiftlint:disable identifier_name
     internal let _expression: (Bool) throws -> T?
     internal let _withoutCaching: Bool
-    // swiftlint:enable identifier_name
     public let location: SourceLocation
     public let isClosure: Bool
 

Sources/Nimble/FailureMessage.swift

@@ -28,7 +28,6 @@ public class FailureMessage: NSObject {
         }
     }
 
-    // swiftlint:disable:next identifier_name
     internal var _stringValueOverride: String?
     internal var hasOverriddenStringValue: Bool {
         return _stringValueOverride != nil

Sources/Nimble/Matchers/Async.swift

@@ -39,7 +39,6 @@ private func async<T>(style: ExpectationStyle, predicate: Predicate<T>, timeout:
         case let .raisedException(exception):
             return PredicateResult(status: .fail, message: .fail("unexpected exception raised: \(exception)"))
         case .blockedRunLoop:
-            // swiftlint:disable:next line_length
             let message = lastPredicateResult?.message.appended(message: " (timed out, but main run loop was unresponsive).") ??
                 .fail("main run loop was unresponsive")
             return PredicateResult(status: .fail, message: message)

Sources/Nimble/Matchers/BeEmpty.swift

@@ -91,7 +91,6 @@ extension NMBPredicate {
                 let expr = Expression(expression: ({ value }), location: location)
                 return try beEmpty().satisfies(expr).toObjectiveC()
             } else if let actualValue = actualValue {
-                // swiftlint:disable:next line_length
                 let badTypeErrorMsg = "be empty (only works for NSArrays, NSSets, NSIndexSets, NSDictionaries, NSHashTables, and NSStrings)"
                 return NMBPredicateResult(
                     status: NMBPredicateStatus.fail,

Sources/Nimble/Matchers/Contain.swift

@@ -123,7 +123,6 @@ extension NMBPredicate {
             let message: ExpectationMessage
             if actualValue != nil {
                 message = ExpectationMessage.expectedActualValueTo(
-                    // swiftlint:disable:next line_length
                     "contain <\(arrayAsString(expected))> (only works for NSArrays, NSSets, NSHashTables, and NSStrings)"
                 )
             } else {

Sources/Nimble/Matchers/MatcherProtocols.swift

@@ -45,7 +45,7 @@ public protocol NMBContainer {
 #if canImport(Darwin)
 // swiftlint:disable:next todo
 // FIXME: NSHashTable can not conform to NMBContainer since swift-DEVELOPMENT-SNAPSHOT-2016-04-25-a
-//extension NSHashTable : NMBContainer {} // Corelibs Foundation does not include this class yet
+// extension NSHashTable : NMBContainer {} // Corelibs Foundation does not include this class yet
 #endif
 
 extension NSArray: NMBContainer {}

Sources/Nimble/Matchers/Predicate.swift

@@ -169,7 +169,6 @@ extension Predicate {
     /// Compatibility layer for old Matcher API, deprecated.
     /// Emulates the MatcherFunc API
     internal static func _fromDeprecatedClosure(_ matcher: @escaping (Expression<T>, FailureMessage) throws -> Bool) -> Predicate {
-        // swiftlint:disable:previous identifier_name
         return Predicate { actual in
             let failureMessage = FailureMessage()
             let result = try matcher(actual, failureMessage)

Sources/Nimble/Matchers/SatisfyAllOf.swift

@@ -63,7 +63,6 @@ extension NMBPredicate {
             for matcher in matchers {
                 let elementEvaluator = Predicate<NSObject> { expression in
                     if let predicate = matcher as? NMBPredicate {
-                        // swiftlint:disable:next line_length
                         return predicate.satisfies({ try expression.evaluate() }, location: actualExpression.location).toSwift()
                     } else {
                         let failureMessage = FailureMessage()

Sources/Nimble/Matchers/SatisfyAnyOf.swift

@@ -73,7 +73,6 @@ extension NMBPredicate {
             for matcher in matchers {
                 let elementEvaluator = Predicate<NSObject> { expression in
                     if let predicate = matcher as? NMBPredicate {
-                        // swiftlint:disable:next line_length
                         return predicate.satisfies({ try expression.evaluate() }, location: actualExpression.location).toSwift()
                     } else {
                         let failureMessage = FailureMessage()