SwiftUI-Introspect/IntrospectTests/UIKitTests.swift

740 lines
20 KiB
Swift

#if canImport(UIKit)
import XCTest
import SwiftUI
@testable import Introspect
enum TestUtils {
enum Constants {
static let timeout: TimeInterval = 3
}
static func present<ViewType: View>(view: ViewType) {
let hostingController = UIHostingController(rootView: view)
let application = UIApplication.shared
application.windows.forEach { window in
if let presentedViewController = window.rootViewController?.presentedViewController {
presentedViewController.dismiss(animated: false, completion: nil)
}
window.isHidden = true
}
let window = UIWindow(frame: UIScreen.main.bounds)
window.layer.speed = 10
hostingController.beginAppearanceTransition(true, animated: false)
window.rootViewController = hostingController
window.makeKeyAndVisible()
window.layoutIfNeeded()
hostingController.endAppearanceTransition()
}
}
private struct NavigationTestView: View {
let spy: () -> Void
var body: some View {
NavigationView {
VStack {
EmptyView()
}
.introspectNavigationController { navigationController in
self.spy()
}
}
.navigationViewStyle(StackNavigationViewStyle())
}
}
private struct SplitNavigationTestView: View {
let spy: () -> Void
var body: some View {
NavigationView {
VStack {
EmptyView()
}
}
.navigationViewStyle(DoubleColumnNavigationViewStyle())
.introspectSplitViewController { navigationController in
self.spy()
}
}
}
private struct ViewControllerTestView: View {
let spy: () -> Void
var body: some View {
NavigationView {
VStack {
EmptyView()
}
}
.introspectViewController { viewController in
self.spy()
}
}
}
private struct NavigationRootTestView: View {
let spy: () -> Void
var body: some View {
NavigationView {
VStack {
EmptyView()
}
}
.introspectNavigationController { navigationController in
self.spy()
}
}
}
private struct TabTestView: View {
@State private var selection = 0
let spy: () -> Void
var body: some View {
TabView {
Text("Item 1")
.tag(0)
.introspectTabBarController { _ in
self.spy()
}
}
}
}
private struct TabRootTestView: View {
@State private var selection = 0
let spy: () -> Void
var body: some View {
TabView {
Text("Item 1")
.tag(0)
}
.introspectTabBarController { _ in
self.spy()
}
}
}
@available(iOS 14, tvOS 14, *)
private struct PageTabViewStyleTestView: View {
let spy: (UICollectionView, UIScrollView) -> Void
var body: some View {
TabView {
Text("Item 1")
.tag(0)
}
.tabViewStyle(PageTabViewStyle())
.introspectPagedTabView { collectionView, scrollView in
spy(collectionView, scrollView)
}
}
}
private struct ListTestView: View {
let spy1: () -> Void
let spy2: () -> Void
let spyCell1: () -> Void
let spyCell2: () -> Void
var body: some View {
if #available(iOS 16, tvOS 16, *) {
List {
Text("Item 1")
Text("Item 2")
.introspectCollectionView { tableView in
self.spy2()
}
.introspectCollectionViewCell { cell in
self.spyCell2()
}
}
.introspectCollectionView { tableView in
self.spy1()
}
.introspectCollectionViewCell { cell in
self.spyCell1()
}
} else {
List {
Text("Item 1")
Text("Item 2")
.introspectTableView { tableView in
self.spy2()
}
.introspectTableViewCell { cell in
self.spyCell2()
}
}
.introspectTableView { tableView in
self.spy1()
}
.introspectTableViewCell { cell in
self.spyCell1()
}
}
}
}
private struct ScrollTestView: View {
let spy1: (UIScrollView) -> Void
let spy2: (UIScrollView) -> Void
var body: some View {
HStack {
ScrollView {
Text("Item 1")
}
.introspectScrollView { scrollView in
self.spy1(scrollView)
}
ScrollView {
Text("Item 1")
.introspectScrollView { scrollView in
self.spy2(scrollView)
}
}
}
}
}
private struct NestedScrollTestView: View {
let spy1: (UIScrollView) -> Void
let spy2: (UIScrollView) -> Void
var body: some View {
HStack {
ScrollView(showsIndicators: true) {
Text("Item 1")
ScrollView(showsIndicators: false) {
Text("Item 1")
}
.introspectScrollView { scrollView in
self.spy2(scrollView)
}
}
.introspectScrollView { scrollView in
self.spy1(scrollView)
}
}
}
}
private struct MaskedScrollTestView: View {
let spy1: (UIScrollView) -> Void
let spy2: (UIScrollView) -> Void
var body: some View {
HStack {
ScrollView {
Text("Item 1")
}
.introspectScrollView { scrollView in
self.spy1(scrollView)
}
.clipped()
.clipShape(RoundedRectangle(cornerRadius: 20.0))
.cornerRadius(2.0)
ScrollView {
Text("Item 1")
.introspectScrollView { scrollView in
self.spy2(scrollView)
}
}
}
}
}
private struct TextFieldTestView: View {
let spy1: (UITextField) -> Void
let spy2: (UITextField) -> Void
let spy3: (UITextField) -> Void
@State private var textFieldValue = ""
let textField1Placeholder = "Text Field 1"
let textField2Placeholder = "Text Field 2"
let textField3Placeholder = "Text Field 3"
var body: some View {
VStack {
TextField(textField1Placeholder, text: $textFieldValue)
.introspectTextField { textField in
self.spy1(textField)
}
.cornerRadius(8)
TextField(textField2Placeholder, text: $textFieldValue)
.introspectTextField { textField in
self.spy2(textField)
}
.cornerRadius(8)
TextField(textField3Placeholder, text: $textFieldValue)
.introspectTextField { textField in
self.spy3(textField)
}
}
}
}
@available(iOS 14, *)
@available(tvOS, unavailable, message: "TextEditor is not available in tvOS.")
private struct TextEditorTestView: View {
let spy: () -> Void
@State private var textEditorValue = ""
var body: some View {
TextEditor(text: $textEditorValue)
.introspectTextView { textView in
self.spy()
}
}
}
@available(tvOS, unavailable)
private struct ToggleTestView: View {
let spy: () -> Void
@State private var toggleValue = false
var body: some View {
Toggle("Toggle", isOn: $toggleValue)
.introspectSwitch { uiSwitch in
self.spy()
}
}
}
@available(tvOS, unavailable)
private struct SliderTestView: View {
let spy: () -> Void
@State private var sliderValue = 0.0
var body: some View {
Slider(value: $sliderValue, in: 0...100)
.introspectSlider { slider in
self.spy()
}
}
}
@available(tvOS, unavailable)
private struct StepperTestView: View {
let spy: () -> Void
var body: some View {
Stepper(onIncrement: {}, onDecrement: {}) {
Text("Stepper")
}
.introspectStepper { stepper in
self.spy()
}
}
}
@available(tvOS, unavailable)
private struct DatePickerTestView: View {
let spy: () -> Void
@State private var datePickerValue = Date()
var body: some View {
DatePicker(selection: $datePickerValue) {
Text("DatePicker")
}
.introspectDatePicker { datePicker in
self.spy()
}
}
}
private struct SegmentedControlTestView: View {
@State private var pickerValue = 0
let spy: () -> Void
var body: some View {
Picker(selection: $pickerValue, label: Text("Segmented control")) {
Text("Option 1").tag(0)
Text("Option 2").tag(1)
Text("Option 3").tag(2)
}
.pickerStyle(SegmentedPickerStyle())
.introspectSegmentedControl { segmentedControl in
self.spy()
}
}
}
#if os(iOS)
@available(iOS 14.0, *)
@available(tvOS, unavailable)
private struct ColorWellTestView: View {
@State private var color = Color.black
let spy: () -> Void
var body: some View {
ColorPicker("Picker", selection: $color)
.introspectColorWell { colorWell in
self.spy()
}
}
}
#endif
import MapKit
@available(iOS 14, tvOS 14, *)
private struct MapTestView: View {
@State private var coordinateRegion = MKCoordinateRegion(.world)
let spy: () -> Void
var body: some View {
Map(coordinateRegion: $coordinateRegion)
.introspectMapView { mapView in
self.spy()
}
}
}
class UIKitTests: XCTestCase {
func testNavigation() {
let expectation = XCTestExpectation()
let view = NavigationTestView(spy: {
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
}
func testViewController() {
let expectation = XCTestExpectation()
let view = ViewControllerTestView(spy: {
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
}
func testTabView() {
let expectation = XCTestExpectation()
let view = TabTestView(spy: {
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
}
func testTabViewRoot() {
let expectation = XCTestExpectation()
let view = TabRootTestView(spy: {
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
}
func testList() {
if #available(tvOS 16, *) {
return // TODO: verify whether List still uses NSTableView under the hood in tvOS 16
}
let expectation1 = XCTestExpectation()
let expectation2 = XCTestExpectation()
let cellExpectation1 = XCTestExpectation()
let cellExpectation2 = XCTestExpectation()
let view = ListTestView(
spy1: { expectation1.fulfill() },
spy2: { expectation2.fulfill() },
spyCell1: { cellExpectation1.fulfill() },
spyCell2: { cellExpectation2.fulfill() }
)
TestUtils.present(view: view)
wait(for: [expectation1, expectation2, cellExpectation1, cellExpectation2], timeout: TestUtils.Constants.timeout)
}
func testScrollView() throws {
let expectation1 = XCTestExpectation()
let expectation2 = XCTestExpectation()
var scrollView1: UIScrollView?
var scrollView2: UIScrollView?
let view = ScrollTestView(
spy1: { scrollView in
scrollView1 = scrollView
expectation1.fulfill()
},
spy2: { scrollView in
scrollView2 = scrollView
expectation2.fulfill()
}
)
TestUtils.present(view: view)
wait(for: [expectation1, expectation2], timeout: TestUtils.Constants.timeout)
let unwrappedScrollView1 = try XCTUnwrap(scrollView1)
let unwrappedScrollView2 = try XCTUnwrap(scrollView2)
XCTAssertNotEqual(unwrappedScrollView1, unwrappedScrollView2)
}
func testNestedScrollView() throws {
let expectation1 = XCTestExpectation()
let expectation2 = XCTestExpectation()
var scrollView1: UIScrollView?
var scrollView2: UIScrollView?
let view = NestedScrollTestView(
spy1: { scrollView in
scrollView1 = scrollView
expectation1.fulfill()
},
spy2: { scrollView in
scrollView2 = scrollView
expectation2.fulfill()
}
)
TestUtils.present(view: view)
wait(for: [expectation1, expectation2], timeout: TestUtils.Constants.timeout)
let unwrappedScrollView1 = try XCTUnwrap(scrollView1)
let unwrappedScrollView2 = try XCTUnwrap(scrollView2)
XCTAssertNotEqual(unwrappedScrollView1, unwrappedScrollView2)
}
func testMaskedScrollView() throws {
let expectation1 = XCTestExpectation()
let expectation2 = XCTestExpectation()
var scrollView1: UIScrollView?
var scrollView2: UIScrollView?
let view = MaskedScrollTestView(
spy1: { scrollView in
scrollView1 = scrollView
expectation1.fulfill()
},
spy2: { scrollView in
scrollView2 = scrollView
expectation2.fulfill()
}
)
TestUtils.present(view: view)
wait(for: [expectation1, expectation2], timeout: TestUtils.Constants.timeout)
let unwrappedScrollView1 = try XCTUnwrap(scrollView1)
let unwrappedScrollView2 = try XCTUnwrap(scrollView2)
XCTAssertNotEqual(unwrappedScrollView1, unwrappedScrollView2)
}
func testTextField() throws {
let expectation1 = XCTestExpectation()
let expectation2 = XCTestExpectation()
let expectation3 = XCTestExpectation()
var textField1: UITextField?
var textField2: UITextField?
var textField3: UITextField?
let view = TextFieldTestView(
spy1: {
textField1 = $0
expectation1.fulfill()
},
spy2: {
textField2 = $0
expectation2.fulfill()
},
spy3: {
textField3 = $0
expectation3.fulfill()
}
)
TestUtils.present(view: view)
wait(for: [expectation1, expectation2, expectation3], timeout: TestUtils.Constants.timeout)
let unwrappedTextField1 = try XCTUnwrap(textField1)
let unwrappedTextField2 = try XCTUnwrap(textField2)
let unwrappedTextField3 = try XCTUnwrap(textField3)
XCTAssertEqual(unwrappedTextField1.placeholder, view.textField1Placeholder)
XCTAssertEqual(unwrappedTextField2.placeholder, view.textField2Placeholder)
XCTAssertEqual(unwrappedTextField3.placeholder, view.textField3Placeholder)
}
func testSegmentedControl() {
let expectation = XCTestExpectation()
let view = SegmentedControlTestView(spy: {
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
}
func testRootNavigation() {
let expectation = XCTestExpectation()
let view = NavigationRootTestView(spy: {
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
}
#if !os(tvOS)
func testSplitNavigation() {
let expectation = XCTestExpectation()
let view = SplitNavigationTestView(spy: {
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
}
func testToggle() {
let expectation = XCTestExpectation()
let view = ToggleTestView(spy: {
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
}
func testSlider() {
let expectation = XCTestExpectation()
let view = SliderTestView(spy: {
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
}
func testStepper() {
let expectation = XCTestExpectation()
let view = StepperTestView(spy: {
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
}
func testDatePicker() {
let expectation = XCTestExpectation()
let view = DatePickerTestView(spy: {
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
}
@available(iOS 14, *)
func testTextEditor() {
let expectation = XCTestExpectation()
let view = TextEditorTestView(spy: {
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
}
@available(iOS 14, *)
func testColorPicker() {
let expectation = XCTestExpectation()
let view = ColorWellTestView(spy: {
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
}
@available(iOS 14, tvOS 14, *)
func testPagedTabView() throws {
var collectionView1: UICollectionView?
var scrollView1: UIScrollView?
let expectation = XCTestExpectation()
let view = PageTabViewStyleTestView(spy: { collectionView, scrollView in
collectionView1 = collectionView
scrollView1 = scrollView
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
let unwrappedCollectionView = try XCTUnwrap(collectionView1)
let unwrappedScrollView = try XCTUnwrap(scrollView1)
if #available(iOS 16, tvOS 16, *) {
XCTAssertTrue(unwrappedCollectionView == unwrappedScrollView)
} else {
XCTAssertTrue(unwrappedCollectionView.subviews.contains(where: { $0 === unwrappedScrollView }))
}
}
@available(tvOS, unavailable)
func testSearchController() {
guard #available(iOS 15, *) else {
return
}
struct SearchControllerTestView: View {
@State var searchText = ""
let spy: () -> Void
var body: some View {
NavigationView {
EmptyView()
.searchable(text: $searchText)
.introspectSearchController { searchController in
self.spy()
}
}
.introspectSplitViewController { splitViewController in
splitViewController.preferredDisplayMode = .oneOverSecondary
}
}
}
let expectation = XCTestExpectation()
let view = SearchControllerTestView(spy: {
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
}
#endif
@available(iOS 14, tvOS 14, *)
func testMapView() {
let expectation = XCTestExpectation()
let view = MapTestView(spy: {
expectation.fulfill()
})
TestUtils.present(view: view)
wait(for: [expectation], timeout: TestUtils.Constants.timeout)
}
}
#endif