Add CollapsibleTableViewHeader unit tests

SWDestinyTrades/Classes/Base/Database/DatabaseProtocol.swift

@@ -12,7 +12,7 @@ protocol Storable {}
 
 struct Sorted {
     var key: String
-    var ascending: Bool = true
+    var ascending: Bool
 }
 
 protocol DatabaseProtocol: AnyObject {

SWDestinyTrades/Classes/Extensions/UIView+Utils.swift

@@ -19,5 +19,8 @@ extension UIView {
         animation.fillMode = CAMediaTimingFillMode.forwards
 
         layer.add(animation, forKey: nil)
+
+        // Update the transform to reflect the final state after animation
+        transform = CGAffineTransform(rotationAngle: toValue)
     }
 }

SWDestinyTradesTests/Base/View/CollapsibleTableViewHeaderTests.swift

@@ -0,0 +1,81 @@
+//
+//  CollapsibleTableViewHeaderTests.swift
+//  SWDestinyTradesTests
+//
+//  Created by Diogo Autilio on 27/08/24.
+//  Copyright © 2024 Diogo Autilio. All rights reserved.
+//
+
+import Foundation
+import XCTest
+
+@testable import SWDestinyTrades
+
+final class CollapsibleTableViewHeaderTests: XCTestCase {
+
+    func test_initialization() {
+        let header = CollapsibleTableViewHeader(reuseIdentifier: "header")
+
+        XCTAssertNotNil(header)
+        XCTAssertNotNil(header.titleLabel)
+        XCTAssertNotNil(header.arrowLabel)
+        XCTAssertEqual(header.section, 0)
+        XCTAssertNil(header.delegate)
+    }
+
+    func test_height() {
+        XCTAssertEqual(CollapsibleTableViewHeader.height(), 44)
+    }
+
+    func test_tap_header_calls_delegate() {
+        let header = CollapsibleTableViewHeader(reuseIdentifier: "header")
+        let mockDelegate = CollapsibleTableViewHeaderDelegateMock()
+        header.delegate = mockDelegate
+        header.section = 1
+
+        header.tapHeader(header.gestureRecognizers?[0] as! UITapGestureRecognizer)
+
+        XCTAssertTrue(mockDelegate.toggleSectionCalled)
+        XCTAssertEqual(mockDelegate.toggledSection, 1)
+    }
+
+    func test_tap_header_dont_calls_delegate() {
+        let header = CollapsibleTableViewHeader(reuseIdentifier: "header")
+        let mockDelegate = CollapsibleTableViewHeaderDelegateMock()
+        header.delegate = mockDelegate
+        header.section = 1
+
+        header.tapHeader(UITapGestureRecognizer())
+
+        XCTAssertFalse(mockDelegate.toggleSectionCalled)
+        XCTAssertNil(mockDelegate.toggledSection)
+    }
+
+    func test_set_collapsed_rotates_arrow_label() {
+        let header = CollapsibleTableViewHeader(reuseIdentifier: "header")
+
+        header.setCollapsed(true)
+        XCTAssertEqual(header.arrowLabel.transform.rotationAngle, 0.0, accuracy: 1e-10)
+
+        header.setCollapsed(false)
+        XCTAssertEqual(header.arrowLabel.transform.rotationAngle, CGFloat.pi / 2, accuracy: 1e-10)
+    }
+}
+
+// MARK: - Mocks
+
+private extension CGAffineTransform {
+    var rotationAngle: CGFloat {
+        return atan2(b, a)
+    }
+}
+
+final class CollapsibleTableViewHeaderDelegateMock: CollapsibleTableViewHeaderDelegate {
+    private(set) var toggleSectionCalled = false
+    private(set) var toggledSection: Int?
+
+    func toggleSection(header: CollapsibleTableViewHeader, section: Int) {
+        toggleSectionCalled = true
+        toggledSection = section
+    }
+}

SWDestinyTradesTests/Base/View/Mirror/CollapsibleTableViewHeader+Mirror.swift

@@ -0,0 +1,19 @@
+//
+//  CollapsibleTableViewHeader+Mirror.swift
+//  SWDestinyTradesTests
+//
+//  Created by Diogo Autilio on 27/08/24.
+//  Copyright © 2024 Diogo Autilio. All rights reserved.
+//
+
+import Foundation
+import UIKit
+
+@testable import SWDestinyTrades
+
+extension CollapsibleTableViewHeader {
+
+    var arrowLabel: UILabel {
+        Mirror.extract(variable: "arrowLabel", from: self)!
+    }
+}