[CM -866] Expand localizable with tableName

Author: PanchamiShenoy

Sources/YCoreUI/Extensions/Foundation/String+Localizable.swift

@@ -10,9 +10,11 @@ import Foundation
 
 public extension String {
     /// Gets a localized string resource using the string's current value as key
-    /// - Parameter bundle: the bundle containing the localized string resource to use. Default = main app bundle.
+    /// - Parameters:
+    ///   - bundle: the bundle containing the localized string resource to use. Default = main app bundle.
+    ///   - tableName: the name of the `.strings` file containing the localized strings for this enum.
     /// - Returns: the localized string or else itself if it is not localized.
-    func localized(bundle: Bundle = .main) -> String {
-        NSLocalizedString(self, bundle: bundle, comment: self)
+    func localized(bundle: Bundle = .main, tableName: String? = nil) -> String {
+        NSLocalizedString(self, tableName: tableName, bundle: bundle, comment: self)
     }
 }

Sources/YCoreUI/Protocols/Localizable.swift

@@ -15,6 +15,10 @@ public protocol Localizable: RawRepresentable where RawValue == String {
 
     /// A localized display string for this value
     var localized: String { get }
+    
+    /// The name of the `.strings` file containing the localized strings for this enum.
+    /// `nil` means use the default `Localizable.strings` file
+    static var tableName: String? { get }
 }
 
 extension Localizable {
@@ -23,6 +27,10 @@ extension Localizable {
 
     /// A localized display string for this value
     public var localized: String {
-        rawValue.localized(bundle: Self.bundle)
+        rawValue.localized(bundle: Self.bundle, tableName: Self.tableName)
     }
+    
+    /// The name of the `.strings` file containing the localized strings for this enum.
+    /// Returns `nil` to use the default `Localizable.strings` file
+    static var tableName: String? { nil }
 }

Tests/YCoreUITests/Assets/Strings/en.lproj/Settings.strings

@@ -0,0 +1,11 @@
+/*
+  Settings.strings
+  YCoreUITests
+ 
+  Created by Panchami Shenoy on 27/10/22.
+  Copyright © 2022 Y Media Labs. All rights reserved.
+*/
+
+"Settings_Title" = "Settings";
+"Settings_Font" = "Font";
+"Settings_Color" = "Color";

Tests/YCoreUITests/Extensions/Foundation/String+LocalizedTests.swift

@@ -25,6 +25,21 @@ final class StringLocalizedTests: XCTestCase {
             XCTAssertNotEqual($0.rawValue, string)
         }
     }
+    
+    func testTableName() {
+        XCTAssertNil(MainBundleConstants.tableName)
+        XCTAssertNil(StringConstants.tableName)
+        XCTAssertEqual(SettingConstants.tableName, "Settings")
+        
+        SettingConstants.allCases.forEach {
+            // Given a localized string constant
+            let string = $0.localized
+            // it should not be empty
+            XCTAssertFalse(string.isEmpty)
+            // and it should not equal its key
+            XCTAssertNotEqual($0.rawValue, string)
+        }
+    }
 }
 
 enum MainBundleConstants: String, Localizable {
@@ -37,5 +52,14 @@ enum StringConstants: String, Localizable, CaseIterable {
     case pen = "Pen_Noun"
     case ambulance = "Ambulance_Noun"
 
-    public static var bundle: Bundle { .module }
+    static var bundle: Bundle { .module }
+}
+
+enum SettingConstants: String, Localizable, CaseIterable {
+    case title = "Settings_Title"
+    case font = "Settings_Font"
+    case color = "Settings_Color"
+    
+    static var bundle: Bundle { .module }
+    static var tableName: String? { "Settings" }
 }