Add AppearanceProxyHelper unit tests

SWDestinyTradesTests/Appearance/AppearanceProxyHelperTests.swift

@@ -0,0 +1,51 @@
+//
+//  AppearanceProxyHelperTests.swift
+//  SWDestinyTradesTests
+//
+//  Created by Diogo Autilio on 20/04/24.
+//  Copyright © 2024 Diogo Autilio. All rights reserved.
+//
+
+import UIKit
+import XCTest
+
+@testable import SWDestinyTrades
+
+final class AppearanceProxyHelperTests: XCTestCase {
+
+    func test_customize_tabBar() {
+        AppearanceProxyHelper.customizeTabBar()
+
+        let tabBarAppearance = UITabBar.appearance()
+        XCTAssertEqual(tabBarAppearance.tintColor, .white)
+        XCTAssertEqual(tabBarAppearance.barTintColor, ColorPalette.appTheme)
+
+        if #available(iOS 15.0, *) {
+            let tabBarScrollEdgeAppearance = UITabBar.appearance(whenContainedInInstancesOf: [UITabBarController.self]).scrollEdgeAppearance
+            XCTAssertEqual(tabBarScrollEdgeAppearance?.backgroundColor, ColorPalette.appTheme)
+        }
+    }
+
+    func test_customize_UITableView() {
+        AppearanceProxyHelper.customizeUITableView()
+
+        if #available(iOS 15.0, *) {
+            XCTAssertEqual(UITableView.appearance().sectionHeaderTopPadding, .zero)
+        }
+    }
+
+    func test_customize_navigationBar() {
+        AppearanceProxyHelper.customizeNavigationBar()
+
+        if #available(iOS 13.0, *) {
+            let standardAppearance = UINavigationBar.appearance(whenContainedInInstancesOf: [UINavigationController.self]).standardAppearance
+            XCTAssertEqual(standardAppearance.backgroundColor, ColorPalette.appThemeV2)
+
+            let scrollEdgeAppearance = UINavigationBar.appearance(whenContainedInInstancesOf: [UINavigationController.self]).scrollEdgeAppearance
+            XCTAssertEqual(scrollEdgeAppearance?.backgroundColor, ColorPalette.appThemeV2)
+
+            XCTAssertTrue(UINavigationBar.appearance().prefersLargeTitles)
+            XCTAssertEqual(UINavigationBar.appearance().tintColor, .white)
+        }
+    }
+}