Files
suixinkan_uikit/suixinkanTests/TravelAlbumDetailViewControllerTests.swift
T

650 lines
26 KiB
Swift

//
// TravelAlbumDetailViewControllerTests.swift
// suixinkanTests
//
import UIKit
import XCTest
@testable import suixinkan
/// 相册管理页刷新、预览与选择态交互测试。
@MainActor
final class TravelAlbumDetailViewControllerTests: XCTestCase {
func testPullToRefreshReloadsGridAndEndsRefreshing() async throws {
let api = TravelAlbumMockAPI()
api.infoResponse = TravelAlbum(id: 2, name: "测试相册")
api.materialListResponses = [
TravelAlbumListResponse(total: 1, list: []),
TravelAlbumListResponse(total: 0, list: []),
TravelAlbumListResponse(total: 1, list: [TravelAlbumMaterial(id: 1)]),
TravelAlbumListResponse(total: 2, list: []),
TravelAlbumListResponse(total: 1, list: []),
TravelAlbumListResponse(
total: 2,
list: [TravelAlbumMaterial(id: 1), TravelAlbumMaterial(id: 2)]
),
]
let controller = TravelAlbumDetailViewController(albumId: 2, api: api)
let window = UIWindow(frame: CGRect(x: 0, y: 0, width: 390, height: 844))
window.rootViewController = controller
window.makeKeyAndVisible()
defer { window.isHidden = true }
controller.loadViewIfNeeded()
controller.view.layoutIfNeeded()
let collectionView = try XCTUnwrap(
controller.view.findSubview { $0 is UICollectionView } as? UICollectionView
)
let refreshControl = try XCTUnwrap(collectionView.refreshControl)
await waitUntil { api.materialRequests.count == 3 }
refreshControl.beginRefreshing()
XCTAssertTrue(refreshControl.isRefreshing)
refreshControl.sendActions(for: .valueChanged)
await waitUntil {
api.materialRequests.count == 6
&& !refreshControl.isRefreshing
&& collectionView.numberOfItems(inSection: 0) == 2
}
XCTAssertEqual(refreshControl.accessibilityIdentifier, "travelAlbum.refreshControl")
XCTAssertEqual(collectionView.numberOfItems(inSection: 0), 2)
XCTAssertFalse(refreshControl.isRefreshing)
}
func testPreviewDeleteHandlerCallsMaterialAPIAndPreservesServerFailure() async {
let api = TravelAlbumMockAPI()
let handler = TravelAlbumPreviewActionHandler(api: api)
let success = await handler.deleteProject(originalMaterialId: 8)
XCTAssertEqual(api.deletedMaterialIds, [8])
XCTAssertEqual(success, .success("删除成功"))
api.deleteMaterialError = APIError.serverCode(500, "服务暂不可用")
let failure = await handler.deleteProject(originalMaterialId: 9)
XCTAssertEqual(api.deletedMaterialIds, [8, 9])
XCTAssertEqual(failure, .failure("服务暂不可用"))
}
func testPreviewSuccessfulDeletionShowsNextProjectAndPreventsDuplicateRequests() async throws {
let api = TravelAlbumMockAPI()
api.deleteMaterialDelayNanoseconds = 1_000_000
var deletedIds: [Int] = []
let controller = TravelAlbumPhotoPreviewViewController(
projects: [
makePreviewProject(id: 1, fileName: "第一张.jpg"),
makePreviewProject(id: 2, fileName: "第二张.jpg"),
makePreviewProject(id: 3, fileName: "第三张.jpg"),
],
totalCount: 3,
startProjectIndex: 0,
actionHandler: TravelAlbumPreviewActionHandler(api: api),
onProjectDeleted: { deletedIds.append($0) }
)
controller.loadViewIfNeeded()
controller.view.frame = CGRect(x: 0, y: 0, width: 390, height: 844)
controller.view.layoutIfNeeded()
controller.deleteCurrentProjectAfterConfirmation()
controller.deleteCurrentProjectAfterConfirmation()
await waitUntil {
controller.view.allAccessibilityLabels().contains("第 1 张,共 2 张")
}
XCTAssertEqual(api.deletedMaterialIds, [1])
XCTAssertEqual(deletedIds, [1])
XCTAssertTrue(
controller.view.allLabels().contains { $0.text == "第二张.jpg" }
)
}
func testPreviewDeletingLastProjectShowsPreviousProject() async {
let api = TravelAlbumMockAPI()
let controller = TravelAlbumPhotoPreviewViewController(
projects: [
makePreviewProject(id: 1, fileName: "第一张.jpg"),
makePreviewProject(id: 2, fileName: "第二张.jpg"),
makePreviewProject(id: 3, fileName: "第三张.jpg"),
],
totalCount: 3,
startProjectIndex: 2,
actionHandler: TravelAlbumPreviewActionHandler(api: api)
)
controller.loadViewIfNeeded()
controller.view.frame = CGRect(x: 0, y: 0, width: 390, height: 844)
controller.view.layoutIfNeeded()
controller.deleteCurrentProjectAfterConfirmation()
await waitUntil {
controller.view.allAccessibilityLabels().contains("第 2 张,共 2 张")
}
XCTAssertEqual(api.deletedMaterialIds, [3])
XCTAssertTrue(
controller.view.allLabels().contains { $0.text == "第二张.jpg" }
)
}
func testPreviewDeletingOnlyProjectDismissesPage() async {
UIView.setAnimationsEnabled(false)
defer { UIView.setAnimationsEnabled(true) }
let api = TravelAlbumMockAPI()
let host = UIViewController()
let window = UIWindow(frame: CGRect(x: 0, y: 0, width: 390, height: 844))
window.rootViewController = host
window.makeKeyAndVisible()
let controller = TravelAlbumPhotoPreviewViewController(
projects: [makePreviewProject(id: 1, fileName: "仅有一张.jpg")],
totalCount: 1,
startProjectIndex: 0,
actionHandler: TravelAlbumPreviewActionHandler(api: api)
)
host.present(controller, animated: false)
await waitUntil { controller.presentingViewController === host }
controller.deleteCurrentProjectAfterConfirmation()
await waitUntil { host.presentedViewController == nil }
XCTAssertEqual(api.deletedMaterialIds, [1])
XCTAssertNil(host.presentedViewController)
window.isHidden = true
}
func testPreviewImageViewKeepsViewportConstraintsWhenSwitchingVariant() throws {
UIView.setAnimationsEnabled(false)
defer { UIView.setAnimationsEnabled(true) }
let project = TravelAlbumPreviewProject(
originalMaterialId: 1,
assets: [
TravelAlbumPreviewAsset(
id: "original-1",
kind: .original,
fileURL: "",
coverURL: "",
fileName: "原图.jpg",
fileSize: 0
),
TravelAlbumPreviewAsset(
id: "retouched-1",
kind: .retouched,
fileURL: "",
coverURL: "",
fileName: "精修后.jpg",
fileSize: 0
),
]
)
let controller = TravelAlbumPhotoPreviewViewController(
projects: [project],
totalCount: 1,
startProjectIndex: 0
)
controller.loadViewIfNeeded()
controller.view.frame = CGRect(x: 0, y: 0, width: 390, height: 844)
controller.view.layoutIfNeeded()
let retouchedButton = try XCTUnwrap(
controller.view.findSubview {
($0 as? UIButton)?.accessibilityLabel == "精修后"
} as? UIButton
)
retouchedButton.sendActions(for: .touchUpInside)
controller.view.layoutIfNeeded()
let imageView = try XCTUnwrap(
controller.view.findSubview {
$0.accessibilityIdentifier == "travelAlbum.previewImageView"
} as? UIImageView
)
let scrollView = try XCTUnwrap(imageView.superview as? UIScrollView)
scrollView.layoutIfNeeded()
XCTAssertEqual(imageView.bounds.size, scrollView.bounds.size)
XCTAssertFalse(imageView.constraintsAffectingLayout(for: .horizontal).isEmpty)
XCTAssertFalse(imageView.constraintsAffectingLayout(for: .vertical).isEmpty)
}
func testSelectionModeShowsAIRetouchOnLeftAndDeleteOnRight() async throws {
let controller = TravelAlbumDetailViewController(albumId: 0)
controller.loadViewIfNeeded()
controller.view.frame = CGRect(x: 0, y: 0, width: 390, height: 844)
let selectButton = try XCTUnwrap(
controller.view.findSubview {
($0 as? UIButton)?.accessibilityLabel == "选择照片"
} as? UIButton
)
selectButton.sendActions(for: .touchUpInside)
await Task.yield()
controller.view.layoutIfNeeded()
let actionStack = try XCTUnwrap(
controller.view.findSubview {
$0.accessibilityIdentifier == "travelAlbum.selectionActionStack"
} as? UIStackView
)
let aiRetouchButton = try XCTUnwrap(
controller.view.findSubview {
$0.accessibilityIdentifier == "travelAlbum.aiRetouchButton"
} as? UIButton
)
let deleteButton = try XCTUnwrap(
controller.view.findSubview {
$0.accessibilityIdentifier == "travelAlbum.deleteButton"
} as? UIButton
)
XCTAssertFalse(actionStack.isHidden)
XCTAssertEqual(actionStack.arrangedSubviews, [aiRetouchButton, deleteButton])
XCTAssertEqual(actionStack.distribution, .fillEqually)
XCTAssertEqual(actionStack.spacing, 12)
XCTAssertEqual(aiRetouchButton.configuration?.title, "AI修图")
XCTAssertEqual(deleteButton.configuration?.title, "删除")
XCTAssertEqual(aiRetouchButton.bounds.width, deleteButton.bounds.width, accuracy: 0.5)
XCTAssertLessThan(aiRetouchButton.frame.minX, deleteButton.frame.minX)
}
func testAIRetouchTemplateSheetUsesLargeDetentAndFixedBottomActions() async throws {
let api = TravelAlbumMockAPI()
api.aiRetouchTemplatesResponse = TravelAlbumAIRetouchTemplatesResponse(
refinedTemplates: [TravelAlbumAIRetouchTemplate(id: 1, name: "清透", previewURL: "")],
atmosphereTemplates: [TravelAlbumAIRetouchTemplate(id: 2, name: "暖阳", previewURL: "")],
coverTemplates: [TravelAlbumAIRetouchTemplate(id: 3, name: "杂志", previewURL: "")],
remainingQuota: 8
)
let viewModel = TravelAlbumAIRetouchTemplateViewModel(
albumId: 9,
scenicId: 18,
materialIds: [1, 2, 3, 4]
)
let controller = TravelAlbumAIRetouchTemplateViewController(
viewModel: viewModel,
api: api,
onSubmitted: {}
)
controller.loadViewIfNeeded()
controller.view.frame = CGRect(x: 0, y: 0, width: 390, height: 844)
await waitUntil { !viewModel.isLoading && api.aiRetouchTemplateScenicIds.count == 1 }
controller.view.layoutIfNeeded()
let sheet = try XCTUnwrap(controller.sheetPresentationController)
XCTAssertEqual(sheet.detents.count, 1)
XCTAssertEqual(sheet.selectedDetentIdentifier, .large)
XCTAssertTrue(sheet.prefersGrabberVisible)
let collectionView = try XCTUnwrap(
controller.view.findSubview {
$0.accessibilityIdentifier == "travelAlbum.aiRetouchTemplateCollection"
} as? UICollectionView
)
let bottomBar = try XCTUnwrap(
controller.view.findSubview {
$0.accessibilityIdentifier == "travelAlbum.aiRetouchBottomBar"
}
)
let cancelButton = try XCTUnwrap(
controller.view.findSubview {
$0.accessibilityIdentifier == "travelAlbum.aiRetouchCancelButton"
} as? UIButton
)
let confirmButton = try XCTUnwrap(
controller.view.findSubview {
$0.accessibilityIdentifier == "travelAlbum.aiRetouchConfirmButton"
} as? UIButton
)
await waitUntil { confirmButton.isEnabled }
controller.view.layoutIfNeeded()
XCTAssertTrue(collectionView.collectionViewLayout is UICollectionViewCompositionalLayout)
XCTAssertFalse(bottomBar.isDescendant(of: collectionView))
XCTAssertEqual(cancelButton.configuration?.title, "取消")
XCTAssertEqual(confirmButton.configuration?.title, "确定")
XCTAssertEqual(cancelButton.bounds.width, confirmButton.bounds.width, accuracy: 0.5)
XCTAssertTrue(confirmButton.isEnabled)
}
func testAIRetouchSheetShowsOptionalAtmosphereCoverAndModeCopy() async throws {
let api = TravelAlbumMockAPI()
api.aiRetouchTemplatesResponse = TravelAlbumAIRetouchTemplatesResponse(
refinedTemplates: [TravelAlbumAIRetouchTemplate(id: 1, name: "清透", previewURL: "")],
atmosphereTemplates: [TravelAlbumAIRetouchTemplate(id: 2, name: "暖阳", previewURL: "")],
coverTemplates: [TravelAlbumAIRetouchTemplate(id: 3, name: "杂志", previewURL: "")],
remainingQuota: 8
)
let viewModel = TravelAlbumAIRetouchTemplateViewModel(
albumId: 9,
scenicId: 18,
materialIds: [1, 2, 3, 4]
)
let controller = TravelAlbumAIRetouchTemplateViewController(
viewModel: viewModel,
api: api,
onSubmitted: {}
)
controller.loadViewIfNeeded()
controller.view.frame = CGRect(x: 0, y: 0, width: 390, height: 844)
await waitUntil { !viewModel.isLoading && api.aiRetouchTemplateScenicIds.count == 1 }
controller.view.layoutIfNeeded()
let accessibleLabels = controller.view.allAccessibilityLabels()
XCTAssertTrue(accessibleLabels.contains("原图精修"))
XCTAssertTrue(accessibleLabels.contains("氛围感修图,选填"))
XCTAssertTrue(accessibleLabels.contains("封面风格模板"))
let quotaLabel = try XCTUnwrap(
controller.view.findSubview {
$0.accessibilityIdentifier == "travelAlbum.aiRetouchRemainingQuotaLabel"
} as? UILabel
)
XCTAssertEqual(quotaLabel.text, "剩余 8 次")
XCTAssertEqual(quotaLabel.accessibilityLabel, "剩余8次修图额度")
}
func testAIRetouchTemplateCellExposesSelectedState() {
let cell = TravelAlbumAIRetouchTemplateCell(frame: .zero)
let template = TravelAlbumAIRetouchTemplate(id: 1, name: "清透", previewURL: "")
cell.apply(template: template, selected: true)
XCTAssertEqual(cell.contentView.layer.borderWidth, 2)
XCTAssertTrue(cell.accessibilityTraits.contains(.selected))
XCTAssertEqual(cell.accessibilityValue, "已选择")
cell.apply(template: template, selected: false)
XCTAssertEqual(cell.contentView.layer.borderWidth, 1)
XCTAssertFalse(cell.accessibilityTraits.contains(.selected))
XCTAssertEqual(cell.accessibilityValue, "未选择")
}
func testPreviewAIRetouchUsesSelectedRetouchedTabWorkflowAndStaysPresented() async throws {
UIView.setAnimationsEnabled(false)
defer { UIView.setAnimationsEnabled(true) }
let api = TravelAlbumMockAPI()
api.aiRetouchTemplatesResponse = TravelAlbumAIRetouchTemplatesResponse(
refinedTemplates: [TravelAlbumAIRetouchTemplate(id: 11, name: "清透", previewURL: "")],
atmosphereTemplates: [TravelAlbumAIRetouchTemplate(id: 21, name: "暖阳", previewURL: "")],
remainingQuota: 8
)
let project = TravelAlbumPreviewProject(
originalMaterialId: 7,
aiRetouchBatchId: 70,
assets: [
TravelAlbumPreviewAsset(
id: "original-7",
kind: .original,
fileURL: "",
coverURL: "",
fileName: "原图.jpg",
fileSize: 0
),
TravelAlbumPreviewAsset(
id: "retouched-7",
kind: .retouched,
fileURL: "",
coverURL: "",
fileName: "精修后.jpg",
fileSize: 0
),
]
)
let controller = TravelAlbumPhotoPreviewViewController(
projects: [project],
totalCount: 1,
startProjectIndex: 0,
albumId: 8,
scenicIdProvider: { 18 },
aiRetouchAPI: api
)
let window = UIWindow(frame: CGRect(x: 0, y: 0, width: 390, height: 844))
window.rootViewController = controller
window.makeKeyAndVisible()
defer { window.isHidden = true }
controller.loadViewIfNeeded()
controller.view.layoutIfNeeded()
let retouchedButton = try XCTUnwrap(
controller.view.findSubview { ($0 as? UIButton)?.accessibilityLabel == "精修后" } as? UIButton
)
retouchedButton.sendActions(for: .touchUpInside)
let aiButton = try XCTUnwrap(
controller.view.findSubview { ($0 as? UIButton)?.accessibilityLabel == "AI修图" } as? UIButton
)
aiButton.sendActions(for: .touchUpInside)
await waitUntil { controller.presentedViewController is TravelAlbumAIRetouchTemplateViewController }
let sheet = try XCTUnwrap(controller.presentedViewController as? TravelAlbumAIRetouchTemplateViewController)
sheet.loadViewIfNeeded()
let confirmButton = try XCTUnwrap(
sheet.view.findSubview {
$0.accessibilityIdentifier == "travelAlbum.aiRetouchConfirmButton"
} as? UIButton
)
await waitUntil { api.aiRetouchTemplateScenicIds.count == 1 && confirmButton.isEnabled }
sheet.view.frame = CGRect(x: 0, y: 0, width: 390, height: 844)
sheet.view.layoutIfNeeded()
let labels = sheet.view.allAccessibilityLabels()
XCTAssertTrue(labels.contains("原图精修"))
XCTAssertFalse(labels.contains { $0.contains("氛围感修图") })
confirmButton.sendActions(for: .touchUpInside)
await waitUntil { api.aiReretouchRequests.count == 1 }
await waitUntil { controller.presentedViewController == nil }
XCTAssertEqual(api.aiReretouchRequests.first?.type, .refined)
XCTAssertNil(controller.presentedViewController)
XCTAssertTrue(window.rootViewController === controller)
}
func testPreviewRefreshPreservesVariantAndFallsBackWhenVariantDisappears() async throws {
let original = TravelAlbumPreviewAsset(
id: "original-7",
kind: .original,
fileURL: "",
coverURL: "",
fileName: "原图.jpg",
fileSize: 0
)
let retouched = TravelAlbumPreviewAsset(
id: "retouched-7",
kind: .retouched,
fileURL: "",
coverURL: "",
fileName: "精修后.jpg",
fileSize: 0
)
var reloadCount = 0
let controller = TravelAlbumPhotoPreviewViewController(
projects: [TravelAlbumPreviewProject(originalMaterialId: 7, assets: [original, retouched])],
totalCount: 1,
startProjectIndex: 0,
reload: { materialId in
XCTAssertEqual(materialId, 7)
reloadCount += 1
let assets = reloadCount == 1 ? [original, retouched] : [original]
return TravelAlbumPreviewProject(originalMaterialId: 7, assets: assets)
}
)
controller.loadViewIfNeeded()
controller.view.frame = CGRect(x: 0, y: 0, width: 390, height: 844)
controller.view.layoutIfNeeded()
let retouchedButton = try XCTUnwrap(
controller.view.findSubview { ($0 as? UIButton)?.accessibilityLabel == "精修后" } as? UIButton
)
retouchedButton.sendActions(for: .touchUpInside)
let refreshButton = try XCTUnwrap(
controller.view.findSubview {
$0.accessibilityIdentifier == "travelAlbum.previewRefreshButton"
} as? UIButton
)
refreshButton.sendActions(for: .touchUpInside)
await waitUntil { reloadCount == 1 && refreshButton.isEnabled }
XCTAssertTrue(
controller.view.findSubview {
($0 as? UIButton)?.accessibilityLabel == "精修后"
&& $0.accessibilityTraits.contains(.selected)
} != nil
)
refreshButton.sendActions(for: .touchUpInside)
await waitUntil { reloadCount == 2 && refreshButton.isEnabled }
XCTAssertNil(
controller.view.findSubview { ($0 as? UIButton)?.accessibilityLabel == "精修后" }
)
XCTAssertTrue(controller.view.allLabels().contains { $0.text == "原图.jpg" })
}
func testPreviewRefreshUsesGlobalLoadingWithoutToast() async throws {
GlobalLoadingManager.shared.hideAll()
defer { GlobalLoadingManager.shared.hideAll() }
let original = TravelAlbumPreviewAsset(
id: "original-7",
kind: .original,
fileURL: "",
coverURL: "",
fileName: "原图.jpg",
fileSize: 0
)
let project = TravelAlbumPreviewProject(originalMaterialId: 7, assets: [original])
let controller = TravelAlbumPhotoPreviewViewController(
projects: [project],
totalCount: 1,
startProjectIndex: 0,
reload: { _ in
try await Task.sleep(nanoseconds: 50_000_000)
return project
}
)
controller.loadViewIfNeeded()
let refreshButton = try XCTUnwrap(
controller.view.findSubview {
$0.accessibilityIdentifier == "travelAlbum.previewRefreshButton"
} as? UIButton
)
refreshButton.sendActions(for: .touchUpInside)
XCTAssertTrue(GlobalLoadingManager.shared.isShowing)
await waitUntil { !GlobalLoadingManager.shared.isShowing && refreshButton.isEnabled }
XCTAssertFalse(GlobalLoadingManager.shared.isShowing)
XCTAssertFalse(controller.view.allLabels().contains { $0.text == "刷新成功" })
XCTAssertFalse(controller.view.allLabels().contains { $0.text == "刷新失败" })
}
func testMaterialCellShowsSemanticStatusBadgeWithoutOverlappingSelectionCheck() throws {
let cases: [(TravelAlbumMaterial, String, UInt)] = [
(TravelAlbumMaterial(isPurchased: true), "已购", 0x475569),
(TravelAlbumMaterial(aiRetouchStatus: 1), "待处理", 0xB45309),
(TravelAlbumMaterial(aiRetouchStatus: 2), "修图中", 0x1D4ED8),
(TravelAlbumMaterial(aiRetouchStatus: 3), "AI已修", 0x047857),
(
TravelAlbumMaterial(aiRetouchStatus: 3, aiRetouchStatusName: "AI封面"),
"AI封面",
0x6D28D9
),
(TravelAlbumMaterial(aiRetouchStatus: 4), "失败", 0xB91C1C),
]
for (material, expectedText, expectedColor) in cases {
let cell = TravelAlbumMaterialCell(frame: CGRect(x: 0, y: 0, width: 176, height: 220))
cell.apply(material: material, selectionMode: true, selected: false)
cell.layoutIfNeeded()
let badgeView = try XCTUnwrap(
cell.findSubview {
$0.accessibilityIdentifier == "travelAlbum.materialStatusBadge"
}
)
let badgeLabel = try XCTUnwrap(
cell.findSubview {
$0.accessibilityIdentifier == "travelAlbum.materialStatusBadgeLabel"
} as? UILabel
)
let selectionCheck = try XCTUnwrap(
cell.findSubview {
$0.accessibilityIdentifier == "travelAlbum.materialSelectionCheck"
}
)
XCTAssertFalse(badgeView.isHidden)
XCTAssertEqual(badgeLabel.text, expectedText)
XCTAssertEqual(badgeView.backgroundColor?.travelAlbumTestHexRGB, expectedColor)
XCTAssertLessThan(badgeView.frame.maxX, selectionCheck.frame.minX)
XCTAssertTrue(cell.accessibilityLabel?.contains("状态:\(expectedText)") == true)
}
let hiddenCell = TravelAlbumMaterialCell(frame: CGRect(x: 0, y: 0, width: 176, height: 220))
hiddenCell.apply(
material: TravelAlbumMaterial(aiRetouchStatus: 0, aiRetouchStatusName: "已上传"),
selectionMode: false,
selected: false
)
let hiddenBadge = try XCTUnwrap(
hiddenCell.findSubview {
$0.accessibilityIdentifier == "travelAlbum.materialStatusBadge"
}
)
XCTAssertTrue(hiddenBadge.isHidden)
XCTAssertFalse(hiddenCell.accessibilityLabel?.contains("状态:") == true)
}
private func waitUntil(_ condition: @escaping () -> Bool) async {
for _ in 0 ..< 200 {
if condition() { return }
try? await Task.sleep(nanoseconds: 1_000_000)
}
}
private func makePreviewProject(id: Int, fileName: String) -> TravelAlbumPreviewProject {
TravelAlbumPreviewProject(
originalMaterialId: id,
assets: [
TravelAlbumPreviewAsset(
id: "original-\(id)",
kind: .original,
fileURL: "",
coverURL: "",
fileName: fileName,
fileSize: 0
),
]
)
}
}
private extension UIColor {
var travelAlbumTestHexRGB: UInt {
var red: CGFloat = 0
var green: CGFloat = 0
var blue: CGFloat = 0
var alpha: CGFloat = 0
getRed(&red, green: &green, blue: &blue, alpha: &alpha)
return UInt(round(red * 255)) << 16
| UInt(round(green * 255)) << 8
| UInt(round(blue * 255))
}
}
private extension UIView {
func findSubview(where predicate: (UIView) -> Bool) -> UIView? {
if predicate(self) { return self }
for subview in subviews {
if let match = subview.findSubview(where: predicate) {
return match
}
}
return nil
}
func allAccessibilityLabels() -> [String] {
let current = accessibilityLabel.map { [$0] } ?? []
return current + subviews.flatMap { $0.allAccessibilityLabels() }
}
func allLabels() -> [UILabel] {
let current = (self as? UILabel).map { [$0] } ?? []
return current + subviews.flatMap { $0.allLabels() }
}
}