wip

Author: davdroman

Tests/AtomicTransitionTests/MoveTests.swift

@@ -5,8 +5,7 @@ import XCTest
 
 final class MoveTests: XCTestCase {
     let animatorUsed = UnimplementedAnimator()
-    let uiViewUsed = UIView()
-    lazy var viewUsed = AnimatorTransientView(uiViewUsed)
+    let viewUsed = AnimatorTransientView(UIView())
     let properties = AnimatorTransientViewProperties(alpha: 1, transform: .identity)
     let containerUsed: UIView = {
         let _containerUsed = UIView()

Tests/AtomicTransitionTests/OffsetTests.swift

@@ -5,10 +5,9 @@ import XCTest
 
 final class OffsetTests: XCTestCase {
     let animatorUsed = UnimplementedAnimator()
-    let uiViewUsed = UIView()
-    lazy var viewUsed = AnimatorTransientView(uiViewUsed)
+    let viewUsed = AnimatorTransientView(UIView())
     let properties = AnimatorTransientViewProperties(alpha: 1, transform: .identity)
-    lazy var contextUsed = MockedContext(containerView: UIView())
+    let contextUsed = MockedContext(containerView: UIView())
 
     func testInsertion() {
         AtomicTransition.offset(x: 100, y: 200).prepare(animatorUsed, or: viewUsed, for: .insertion, in: contextUsed)

Tests/AtomicTransitionTests/OpacityTests.swift

@@ -5,10 +5,9 @@ import XCTest
 
 final class OpacityTests: XCTestCase {
     let animatorUsed = UnimplementedAnimator()
-    let uiViewUsed = UIView()
-    lazy var viewUsed = AnimatorTransientView(uiViewUsed)
+    let viewUsed = AnimatorTransientView(UIView())
     let properties = AnimatorTransientViewProperties(alpha: 1, transform: .identity)
-    lazy var contextUsed = MockedContext(containerView: UIView())
+    let contextUsed = MockedContext(containerView: UIView())
 
     func testInsertion() {
         AtomicTransition.opacity.prepare(animatorUsed, or: viewUsed, for: .insertion, in: contextUsed)

Tests/AtomicTransitionTests/RotateTests.swift

@@ -6,10 +6,9 @@ import XCTest
 
 final class RotateTests: XCTestCase {
     let animatorUsed = UnimplementedAnimator()
-    let uiViewUsed = UIView()
-    lazy var viewUsed = AnimatorTransientView(uiViewUsed)
+    let viewUsed = AnimatorTransientView(UIView())
     let properties = AnimatorTransientViewProperties(alpha: 1, transform: .identity)
-    lazy var contextUsed = MockedContext(containerView: UIView())
+    let contextUsed = MockedContext(containerView: UIView())
 
     func testInsertion() {
         AtomicTransition.rotate(.radians(.pi)).prepare(animatorUsed, or: viewUsed, for: .insertion, in: contextUsed)

Tests/AtomicTransitionTests/ScaleTests.swift

@@ -6,10 +6,9 @@ import XCTest
 
 final class ScaleTests: XCTestCase {
     let animatorUsed = UnimplementedAnimator()
-    let uiViewUsed = UIView()
-    lazy var viewUsed = AnimatorTransientView(uiViewUsed)
+    let viewUsed = AnimatorTransientView(UIView())
     let properties = AnimatorTransientViewProperties(alpha: 1, transform: .identity)
-    lazy var contextUsed = MockedContext(containerView: UIView())
+    let contextUsed = MockedContext(containerView: UIView())
 
     func testInsertion() {
         AtomicTransition.scale(0.5).prepare(animatorUsed, or: viewUsed, for: .insertion, in: contextUsed)

Tests/AtomicTransitionTests/ZPositionTests.swift

@@ -0,0 +1,47 @@
+@_spi(package) @testable import Animator
+@_spi(package) import AtomicTransition
+import XCTest
+
+final class ZPositionTests: XCTestCase {
+    let animatorUsed = UnimplementedAnimator()
+    let uiViewUsed = UIView()
+    lazy var viewUsed = AnimatorTransientView(uiViewUsed)
+    let properties = AnimatorTransientViewProperties(alpha: 1, transform: .identity)
+    let anotherUIViewA = UIView()
+    let anotherUIViewB = UIView()
+    let operation = AtomicTransition.Operation.random()
+    lazy var containerView: UIView = {
+        let _containerView = UIView()
+        _containerView.addSubview(anotherUIViewA)
+        _containerView.addSubview(uiViewUsed)
+        _containerView.addSubview(anotherUIViewB)
+        return _containerView
+    }()
+    lazy var contextUsed = MockedContext(containerView: containerView)
+
+    func testInitialState() {
+        XCTAssertIdentical(containerView.subviews[0], anotherUIViewA)
+        XCTAssertIdentical(containerView.subviews[1], uiViewUsed)
+        XCTAssertIdentical(containerView.subviews[2], anotherUIViewB)
+    }
+
+    func testFront() {
+        AtomicTransition.zPosition(.front).prepare(animatorUsed, or: viewUsed, for: operation, in: contextUsed)
+
+        XCTAssertIdentical(containerView.subviews[0], anotherUIViewA)
+        XCTAssertIdentical(containerView.subviews[1], anotherUIViewB)
+        XCTAssertIdentical(containerView.subviews[2], uiViewUsed)
+    }
+
+    func testBack() {
+        AtomicTransition.zPosition(.back).prepare(animatorUsed, or: viewUsed, for: operation, in: contextUsed)
+
+        XCTAssertIdentical(containerView.subviews[0], uiViewUsed)
+        XCTAssertIdentical(containerView.subviews[1], anotherUIViewA)
+        XCTAssertIdentical(containerView.subviews[2], anotherUIViewB)
+    }
+
+    // TODO: assert for (x, y | x | y) conveniences equality when this is done:
+    // https://github.com/davdroman/swiftui-navigation-transitions/discussions/6
+    // func testConveniences() {}
+}