[PM-26060] Consolidate InputValidator to BitwardenKit (#2068)

Author: KatherineInCode

AuthenticatorShared/UI/Platform/Application/Utilities/Alert/Alert+Error.swift

@@ -1,3 +1,4 @@
+import BitwardenKit
 import BitwardenResources
 import Foundation
 

AuthenticatorShared/UI/Platform/Application/Utilities/Alert/AlertErrorTests.swift

@@ -1,3 +1,4 @@
+import BitwardenKit
 import BitwardenResources
 import XCTest
 

AuthenticatorShared/UI/Platform/Application/Utilities/InputValidator/InputValidationError.swift

@@ -0,0 +1,20 @@
+// MARK: - InputValidationError
+
+/// An error thrown by an `InputValidator` for invalid input in a field.
+///
+public struct InputValidationError: Error, Equatable {
+    // MARK: Properties
+
+    /// A localized error message describing the validation error.
+    public let message: String
+
+    // MARK: Initialization
+
+    /// Initialize an input validation error.
+    ///
+    /// - Parameters:
+    ///   - message: A localized error message describing the validation error.
+    public init(message: String) {
+        self.message = message
+    }
+}

AuthenticatorShared/UI/Platform/Application/Utilities/InputValidator/Validators/EmptyInputValidator.swift

@@ -1,6 +1,8 @@
+// - MARK: Input Validator
+
 /// A protocol for an object that handles validating input for a field.
 ///
-protocol InputValidator {
+public protocol InputValidator {
     /// Validates that the specified input matches the requirements for the field.
     ///
     /// - Parameter input: The input to validate.

AuthenticatorShared/UI/Platform/Application/Utilities/InputValidator/Validators/EmptyInputValidatorTests.swift

@@ -0,0 +1,30 @@
+import BitwardenResources
+
+// MARK: - EmptyInputValidator
+
+/// Validates that the input for a field is not empty.
+///
+public struct EmptyInputValidator: InputValidator {
+    // MARK: Properties
+
+    /// The name of the field that is being validated.
+    public let fieldName: String
+
+    // MARK: Initializer
+
+    /// Initializes an `EmptyInputValidator`.
+    ///
+    /// - Parameters:
+    ///   - fieldName: The name of the field that is being validated.
+    public init(fieldName: String) {
+        self.fieldName = fieldName
+    }
+
+    // MARK: InputValidator
+
+    public func validate(input: String?) throws {
+        guard input?.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty == false else {
+            throw InputValidationError(message: Localizations.validationFieldRequired(fieldName))
+        }
+    }
+}

BitwardenKit/UI/Platform/Application/Utilities/InputValidator/InputValidationError.swift

@@ -1,7 +1,6 @@
+import BitwardenKit
 import XCTest
 
-@testable import BitwardenShared
-
 class EmptyInputValidatorTests: BitwardenTestCase {
     // MARK: Tests
 

AuthenticatorShared/UI/Platform/Application/Utilities/InputValidator/InputValidator.swift renamed to BitwardenKit/UI/Platform/Application/Utilities/InputValidator/InputValidator.swift

@@ -1,3 +1,4 @@
+import BitwardenKit
 import BitwardenKitMocks
 import BitwardenResources
 import BitwardenSdk