/
SnapshotTestingTests.swift
1373 lines (1237 loc) · 55.3 KB
/
SnapshotTestingTests.swift
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import Foundation
import XCTest
@testable import SnapshotTesting
#if canImport(FoundationNetworking)
import FoundationNetworking
#endif
#if canImport(SceneKit)
import SceneKit
#endif
#if canImport(SpriteKit)
import SpriteKit
import SwiftUI
#endif
#if canImport(WebKit)
import WebKit
#endif
#if canImport(UIKit)
import UIKit.UIView
#endif
final class SnapshotTestingTests: XCTestCase {
override func setUp() {
super.setUp()
diffTool = "ksdiff"
// isRecording = true
}
override func tearDown() {
isRecording = false
super.tearDown()
}
func testAny() {
struct User { let id: Int, name: String, bio: String }
let user = User(id: 1, name: "Blobby", bio: "Blobbed around the world.")
assertSnapshot(of: user, as: .dump)
}
@available(macOS 10.13, tvOS 11.0, *)
func testAnyAsJson() throws {
struct User: Encodable { let id: Int, name: String, bio: String }
let user = User(id: 1, name: "Blobby", bio: "Blobbed around the world.")
let data = try JSONEncoder().encode(user)
let any = try JSONSerialization.jsonObject(with: data, options: [])
assertSnapshot(of: any, as: .json)
}
func testAnySnapshotStringConvertible() {
assertSnapshot(of: "a" as Character, as: .dump, named: "character")
assertSnapshot(of: Data("Hello, world!".utf8), as: .dump, named: "data")
assertSnapshot(of: Date(timeIntervalSinceReferenceDate: 0), as: .dump, named: "date")
assertSnapshot(of: NSObject(), as: .dump, named: "nsobject")
assertSnapshot(of: "Hello, world!", as: .dump, named: "string")
assertSnapshot(of: "Hello, world!".dropLast(8), as: .dump, named: "substring")
assertSnapshot(of: URL(string: "https://www.pointfree.co")!, as: .dump, named: "url")
}
func testAutolayout() {
#if os(iOS)
let vc = UIViewController()
vc.view.translatesAutoresizingMaskIntoConstraints = false
let subview = UIView()
subview.translatesAutoresizingMaskIntoConstraints = false
vc.view.addSubview(subview)
NSLayoutConstraint.activate([
subview.topAnchor.constraint(equalTo: vc.view.topAnchor),
subview.bottomAnchor.constraint(equalTo: vc.view.bottomAnchor),
subview.leftAnchor.constraint(equalTo: vc.view.leftAnchor),
subview.rightAnchor.constraint(equalTo: vc.view.rightAnchor),
])
assertSnapshot(of: vc, as: .image)
#endif
}
func testDeterministicDictionaryAndSetSnapshots() {
struct Person: Hashable { let name: String }
struct DictionarySetContainer { let dict: [String: Int], set: Set<Person> }
let set = DictionarySetContainer(
dict: ["c": 3, "a": 1, "b": 2],
set: [.init(name: "Brandon"), .init(name: "Stephen")]
)
assertSnapshot(of: set, as: .dump)
}
func testCaseIterable() {
enum Direction: String, CaseIterable {
case up, down, left, right
var rotatedLeft: Direction {
switch self {
case .up: return .left
case .down: return .right
case .left: return .down
case .right: return .up
}
}
}
assertSnapshot(
of: { $0.rotatedLeft },
as: Snapshotting<Direction, String>.func(into: .description)
)
}
func testCGPath() {
#if os(iOS) || os(tvOS) || os(macOS)
let path = CGPath.heart
let osName: String
#if os(iOS)
osName = "iOS"
#elseif os(tvOS)
osName = "tvOS"
#elseif os(macOS)
osName = "macOS"
#endif
if !ProcessInfo.processInfo.environment.keys.contains("GITHUB_WORKFLOW") {
assertSnapshot(of: path, as: .image, named: osName)
}
if #available(iOS 11.0, OSX 10.13, tvOS 11.0, *) {
assertSnapshot(of: path, as: .elementsDescription, named: osName)
}
#endif
}
func testData() {
let data = Data([0xDE, 0xAD, 0xBE, 0xEF])
assertSnapshot(of: data, as: .data)
}
func testEncodable() {
struct User: Encodable { let id: Int, name: String, bio: String }
let user = User(id: 1, name: "Blobby", bio: "Blobbed around the world.")
if #available(iOS 11.0, macOS 10.13, tvOS 11.0, *) {
assertSnapshot(of: user, as: .json)
}
assertSnapshot(of: user, as: .plist)
}
func testMixedViews() {
// #if os(iOS) || os(macOS)
// // NB: CircleCI crashes while trying to instantiate SKView.
// if !ProcessInfo.processInfo.environment.keys.contains("GITHUB_WORKFLOW") {
// let webView = WKWebView(frame: .init(x: 0, y: 0, width: 50, height: 50))
// webView.loadHTMLString("🌎", baseURL: nil)
//
// let skView = SKView(frame: .init(x: 50, y: 0, width: 50, height: 50))
// let scene = SKScene(size: .init(width: 50, height: 50))
// let node = SKShapeNode(circleOfRadius: 15)
// node.fillColor = .red
// node.position = .init(x: 25, y: 25)
// scene.addChild(node)
// skView.presentScene(scene)
//
// let view = View(frame: .init(x: 0, y: 0, width: 100, height: 50))
// view.addSubview(webView)
// view.addSubview(skView)
//
// assertSnapshot(of: view, as: .image, named: platform)
// }
// #endif
}
func testMultipleSnapshots() {
assertSnapshot(of: [1], as: .dump)
assertSnapshot(of: [1, 2], as: .dump)
}
func testNamedAssertion() {
struct User { let id: Int, name: String, bio: String }
let user = User(id: 1, name: "Blobby", bio: "Blobbed around the world.")
assertSnapshot(of: user, as: .dump, named: "named")
}
func testNSBezierPath() {
#if os(macOS)
let path = NSBezierPath.heart
if !ProcessInfo.processInfo.environment.keys.contains("GITHUB_WORKFLOW") {
assertSnapshot(of: path, as: .image, named: "macOS")
}
assertSnapshot(of: path, as: .elementsDescription, named: "macOS")
#endif
}
func testNSView() {
#if os(macOS)
let button = NSButton()
button.bezelStyle = .rounded
button.title = "Push Me"
button.sizeToFit()
if !ProcessInfo.processInfo.environment.keys.contains("GITHUB_WORKFLOW") {
assertSnapshot(of: button, as: .image)
assertSnapshot(of: button, as: .recursiveDescription)
}
#endif
}
func testNSViewWithLayer() {
#if os(macOS)
let view = NSView()
view.frame = CGRect(x: 0.0, y: 0.0, width: 10.0, height: 10.0)
view.wantsLayer = true
view.layer?.backgroundColor = NSColor.green.cgColor
view.layer?.cornerRadius = 5
if !ProcessInfo.processInfo.environment.keys.contains("GITHUB_WORKFLOW") {
assertSnapshot(of: view, as: .image)
assertSnapshot(of: view, as: .recursiveDescription)
}
#endif
}
func testPrecision() {
#if os(iOS) || os(macOS) || os(tvOS)
#if os(iOS) || os(tvOS)
let label = UILabel()
#if os(iOS)
label.frame = CGRect(origin: .zero, size: CGSize(width: 43.5, height: 20.5))
#elseif os(tvOS)
label.frame = CGRect(origin: .zero, size: CGSize(width: 98, height: 46))
#endif
label.backgroundColor = .white
#elseif os(macOS)
let label = NSTextField()
label.frame = CGRect(origin: .zero, size: CGSize(width: 37, height: 16))
label.backgroundColor = .white
label.isBezeled = false
label.isEditable = false
#endif
if !ProcessInfo.processInfo.environment.keys.contains("GITHUB_WORKFLOW") {
label.text = "Hello."
assertSnapshot(of: label, as: .image(precision: 0.9), named: platform)
label.text = "Hello"
assertSnapshot(of: label, as: .image(precision: 0.9), named: platform)
}
#endif
}
func testImagePrecision() throws {
#if os(iOS) || os(tvOS) || os(macOS)
let imageURL = URL(fileURLWithPath: String(#file), isDirectory: false)
.deletingLastPathComponent()
.appendingPathComponent("__Fixtures__/testImagePrecision.reference.png")
#if os(iOS) || os(tvOS)
let image = try XCTUnwrap(UIImage(contentsOfFile: imageURL.path))
#elseif os(macOS)
let image = try XCTUnwrap(NSImage(byReferencing: imageURL))
#endif
assertSnapshot(of: image, as: .image(precision: 0.995), named: "exact")
if #available(iOS 11.0, tvOS 11.0, macOS 10.13, *) {
assertSnapshot(of: image, as: .image(perceptualPrecision: 0.98), named: "perceptual")
}
#endif
}
func testSCNView() {
// #if os(iOS) || os(macOS) || os(tvOS)
// // NB: CircleCI crashes while trying to instantiate SCNView.
// if !ProcessInfo.processInfo.environment.keys.contains("GITHUB_WORKFLOW") {
// let scene = SCNScene()
//
// let sphereGeometry = SCNSphere(radius: 3)
// sphereGeometry.segmentCount = 200
// let sphereNode = SCNNode(geometry: sphereGeometry)
// sphereNode.position = SCNVector3Zero
// scene.rootNode.addChildNode(sphereNode)
//
// sphereGeometry.firstMaterial?.diffuse.contents = URL(fileURLWithPath: String(#file), isDirectory: false)
// .deletingLastPathComponent()
// .appendingPathComponent("__Fixtures__/earth.png")
//
// let cameraNode = SCNNode()
// cameraNode.camera = SCNCamera()
// cameraNode.position = SCNVector3Make(0, 0, 8)
// scene.rootNode.addChildNode(cameraNode)
//
// let omniLight = SCNLight()
// omniLight.type = .omni
// let omniLightNode = SCNNode()
// omniLightNode.light = omniLight
// omniLightNode.position = SCNVector3Make(10, 10, 10)
// scene.rootNode.addChildNode(omniLightNode)
//
// assertSnapshot(
// of: scene,
// as: .image(size: .init(width: 500, height: 500)),
// named: platform
// )
// }
// #endif
}
func testSKView() {
// #if os(iOS) || os(macOS) || os(tvOS)
// // NB: CircleCI crashes while trying to instantiate SKView.
// if !ProcessInfo.processInfo.environment.keys.contains("GITHUB_WORKFLOW") {
// let scene = SKScene(size: .init(width: 50, height: 50))
// let node = SKShapeNode(circleOfRadius: 15)
// node.fillColor = .red
// node.position = .init(x: 25, y: 25)
// scene.addChild(node)
//
// assertSnapshot(
// of: scene,
// as: .image(size: .init(width: 50, height: 50)),
// named: platform
// )
// }
// #endif
}
func testTableViewController() {
#if os(iOS)
class TableViewController: UITableViewController {
override func viewDidLoad() {
super.viewDidLoad()
self.tableView.register(UITableViewCell.self, forCellReuseIdentifier: "Cell")
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int
{
return 10
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath)
-> UITableViewCell
{
let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)
cell.textLabel?.text = "\(indexPath.row)"
return cell
}
}
let tableViewController = TableViewController()
assertSnapshot(of: tableViewController, as: .image(on: .iPhoneSe))
#endif
}
func testAssertMultipleSnapshot() {
#if os(iOS)
class TableViewController: UITableViewController {
override func viewDidLoad() {
super.viewDidLoad()
self.tableView.register(UITableViewCell.self, forCellReuseIdentifier: "Cell")
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int
{
return 10
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath)
-> UITableViewCell
{
let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)
cell.textLabel?.text = "\(indexPath.row)"
return cell
}
}
let tableViewController = TableViewController()
assertSnapshots(
of: tableViewController,
as: ["iPhoneSE-image": .image(on: .iPhoneSe), "iPad-image": .image(on: .iPadMini)])
assertSnapshots(
of: tableViewController, as: [.image(on: .iPhoneX), .image(on: .iPhoneXsMax)])
#endif
}
func testTraits() {
#if os(iOS) || os(tvOS)
if #available(iOS 11.0, tvOS 11.0, *) {
class MyViewController: UIViewController {
let topLabel = UILabel()
let leadingLabel = UILabel()
let trailingLabel = UILabel()
let bottomLabel = UILabel()
override func viewDidLoad() {
super.viewDidLoad()
self.navigationItem.leftBarButtonItem = .init(
barButtonSystemItem: .add, target: nil, action: nil)
self.view.backgroundColor = .white
self.topLabel.text = "What's"
self.leadingLabel.text = "the"
self.trailingLabel.text = "point"
self.bottomLabel.text = "?"
self.topLabel.translatesAutoresizingMaskIntoConstraints = false
self.leadingLabel.translatesAutoresizingMaskIntoConstraints = false
self.trailingLabel.translatesAutoresizingMaskIntoConstraints = false
self.bottomLabel.translatesAutoresizingMaskIntoConstraints = false
self.view.addSubview(self.topLabel)
self.view.addSubview(self.leadingLabel)
self.view.addSubview(self.trailingLabel)
self.view.addSubview(self.bottomLabel)
NSLayoutConstraint.activate([
self.topLabel.topAnchor.constraint(equalTo: self.view.safeAreaLayoutGuide.topAnchor),
self.topLabel.centerXAnchor.constraint(
equalTo: self.view.safeAreaLayoutGuide.centerXAnchor),
self.leadingLabel.leadingAnchor.constraint(
equalTo: self.view.safeAreaLayoutGuide.leadingAnchor),
self.leadingLabel.trailingAnchor.constraint(
lessThanOrEqualTo: self.view.safeAreaLayoutGuide.centerXAnchor),
// self.leadingLabel.trailingAnchor.constraint(equalTo: self.view.safeAreaLayoutGuide.centerXAnchor),
self.leadingLabel.centerYAnchor.constraint(
equalTo: self.view.safeAreaLayoutGuide.centerYAnchor),
self.trailingLabel.leadingAnchor.constraint(
greaterThanOrEqualTo: self.view.safeAreaLayoutGuide.centerXAnchor),
self.trailingLabel.trailingAnchor.constraint(
equalTo: self.view.safeAreaLayoutGuide.trailingAnchor),
self.trailingLabel.centerYAnchor.constraint(
equalTo: self.view.safeAreaLayoutGuide.centerYAnchor),
self.bottomLabel.bottomAnchor.constraint(
equalTo: self.view.safeAreaLayoutGuide.bottomAnchor),
self.bottomLabel.centerXAnchor.constraint(
equalTo: self.view.safeAreaLayoutGuide.centerXAnchor),
])
}
override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
super.traitCollectionDidChange(previousTraitCollection)
self.topLabel.font = .preferredFont(
forTextStyle: .headline, compatibleWith: self.traitCollection)
self.leadingLabel.font = .preferredFont(
forTextStyle: .body, compatibleWith: self.traitCollection)
self.trailingLabel.font = .preferredFont(
forTextStyle: .body, compatibleWith: self.traitCollection)
self.bottomLabel.font = .preferredFont(
forTextStyle: .subheadline, compatibleWith: self.traitCollection)
self.view.setNeedsUpdateConstraints()
self.view.updateConstraintsIfNeeded()
}
}
let viewController = MyViewController()
#if os(iOS)
assertSnapshot(of: viewController, as: .image(on: .iPhoneSe), named: "iphone-se")
assertSnapshot(of: viewController, as: .image(on: .iPhone8), named: "iphone-8")
assertSnapshot(of: viewController, as: .image(on: .iPhone8Plus), named: "iphone-8-plus")
assertSnapshot(of: viewController, as: .image(on: .iPhoneX), named: "iphone-x")
assertSnapshot(of: viewController, as: .image(on: .iPhoneXr), named: "iphone-xr")
assertSnapshot(of: viewController, as: .image(on: .iPhoneXsMax), named: "iphone-xs-max")
assertSnapshot(of: viewController, as: .image(on: .iPadMini), named: "ipad-mini")
assertSnapshot(of: viewController, as: .image(on: .iPad9_7), named: "ipad-9-7")
assertSnapshot(of: viewController, as: .image(on: .iPad10_2), named: "ipad-10-2")
assertSnapshot(of: viewController, as: .image(on: .iPadPro10_5), named: "ipad-pro-10-5")
assertSnapshot(of: viewController, as: .image(on: .iPadPro11), named: "ipad-pro-11")
assertSnapshot(of: viewController, as: .image(on: .iPadPro12_9), named: "ipad-pro-12-9")
assertSnapshot(
of: viewController, as: .recursiveDescription(on: .iPhoneSe), named: "iphone-se")
assertSnapshot(
of: viewController, as: .recursiveDescription(on: .iPhone8), named: "iphone-8")
assertSnapshot(
of: viewController, as: .recursiveDescription(on: .iPhone8Plus), named: "iphone-8-plus")
assertSnapshot(
of: viewController, as: .recursiveDescription(on: .iPhoneX), named: "iphone-x")
assertSnapshot(
of: viewController, as: .recursiveDescription(on: .iPhoneXr), named: "iphone-xr")
assertSnapshot(
of: viewController, as: .recursiveDescription(on: .iPhoneXsMax), named: "iphone-xs-max")
assertSnapshot(
of: viewController, as: .recursiveDescription(on: .iPadMini), named: "ipad-mini")
assertSnapshot(
of: viewController, as: .recursiveDescription(on: .iPad9_7), named: "ipad-9-7")
assertSnapshot(
of: viewController, as: .recursiveDescription(on: .iPad10_2), named: "ipad-10-2")
assertSnapshot(
of: viewController, as: .recursiveDescription(on: .iPadPro10_5), named: "ipad-pro-10-5")
assertSnapshot(
of: viewController, as: .recursiveDescription(on: .iPadPro11), named: "ipad-pro-11")
assertSnapshot(
of: viewController, as: .recursiveDescription(on: .iPadPro12_9), named: "ipad-pro-12-9")
assertSnapshot(
of: viewController, as: .image(on: .iPhoneSe(.portrait)), named: "iphone-se")
assertSnapshot(of: viewController, as: .image(on: .iPhone8(.portrait)), named: "iphone-8")
assertSnapshot(
of: viewController, as: .image(on: .iPhone8Plus(.portrait)), named: "iphone-8-plus")
assertSnapshot(of: viewController, as: .image(on: .iPhoneX(.portrait)), named: "iphone-x")
assertSnapshot(
of: viewController, as: .image(on: .iPhoneXr(.portrait)), named: "iphone-xr")
assertSnapshot(
of: viewController, as: .image(on: .iPhoneXsMax(.portrait)), named: "iphone-xs-max")
assertSnapshot(
of: viewController, as: .image(on: .iPadMini(.landscape)), named: "ipad-mini")
assertSnapshot(
of: viewController, as: .image(on: .iPad9_7(.landscape)), named: "ipad-9-7")
assertSnapshot(
of: viewController, as: .image(on: .iPad10_2(.landscape)), named: "ipad-10-2")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro10_5(.landscape)), named: "ipad-pro-10-5")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro11(.landscape)), named: "ipad-pro-11")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro12_9(.landscape)), named: "ipad-pro-12-9")
assertSnapshot(
of: viewController, as: .image(on: .iPadMini(.landscape(splitView: .oneThird))),
named: "ipad-mini-33-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPadMini(.landscape(splitView: .oneHalf))),
named: "ipad-mini-50-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPadMini(.landscape(splitView: .twoThirds))),
named: "ipad-mini-66-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPadMini(.portrait(splitView: .oneThird))),
named: "ipad-mini-33-split-portrait")
assertSnapshot(
of: viewController, as: .image(on: .iPadMini(.portrait(splitView: .twoThirds))),
named: "ipad-mini-66-split-portrait")
assertSnapshot(
of: viewController, as: .image(on: .iPad9_7(.landscape(splitView: .oneThird))),
named: "ipad-9-7-33-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPad9_7(.landscape(splitView: .oneHalf))),
named: "ipad-9-7-50-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPad9_7(.landscape(splitView: .twoThirds))),
named: "ipad-9-7-66-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPad9_7(.portrait(splitView: .oneThird))),
named: "ipad-9-7-33-split-portrait")
assertSnapshot(
of: viewController, as: .image(on: .iPad9_7(.portrait(splitView: .twoThirds))),
named: "ipad-9-7-66-split-portrait")
assertSnapshot(
of: viewController, as: .image(on: .iPad10_2(.landscape(splitView: .oneThird))),
named: "ipad-10-2-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPad10_2(.landscape(splitView: .oneHalf))),
named: "ipad-10-2-50-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPad10_2(.landscape(splitView: .twoThirds))),
named: "ipad-10-2-66-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPad10_2(.portrait(splitView: .oneThird))),
named: "ipad-10-2-33-split-portrait")
assertSnapshot(
of: viewController, as: .image(on: .iPad10_2(.portrait(splitView: .twoThirds))),
named: "ipad-10-2-66-split-portrait")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro10_5(.landscape(splitView: .oneThird))),
named: "ipad-pro-10inch-33-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro10_5(.landscape(splitView: .oneHalf))),
named: "ipad-pro-10inch-50-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro10_5(.landscape(splitView: .twoThirds))),
named: "ipad-pro-10inch-66-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro10_5(.portrait(splitView: .oneThird))),
named: "ipad-pro-10inch-33-split-portrait")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro10_5(.portrait(splitView: .twoThirds))),
named: "ipad-pro-10inch-66-split-portrait")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro11(.landscape(splitView: .oneThird))),
named: "ipad-pro-11inch-33-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro11(.landscape(splitView: .oneHalf))),
named: "ipad-pro-11inch-50-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro11(.landscape(splitView: .twoThirds))),
named: "ipad-pro-11inch-66-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro11(.portrait(splitView: .oneThird))),
named: "ipad-pro-11inch-33-split-portrait")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro11(.portrait(splitView: .twoThirds))),
named: "ipad-pro-11inch-66-split-portrait")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro12_9(.landscape(splitView: .oneThird))),
named: "ipad-pro-12inch-33-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro12_9(.landscape(splitView: .oneHalf))),
named: "ipad-pro-12inch-50-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro12_9(.landscape(splitView: .twoThirds))),
named: "ipad-pro-12inch-66-split-landscape")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro12_9(.portrait(splitView: .oneThird))),
named: "ipad-pro-12inch-33-split-portrait")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro12_9(.portrait(splitView: .twoThirds))),
named: "ipad-pro-12inch-66-split-portrait")
assertSnapshot(
of: viewController, as: .image(on: .iPhoneSe(.landscape)),
named: "iphone-se-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPhone8(.landscape)), named: "iphone-8-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPhone8Plus(.landscape)),
named: "iphone-8-plus-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPhoneX(.landscape)), named: "iphone-x-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPhoneXr(.landscape)),
named: "iphone-xr-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPhoneXsMax(.landscape)),
named: "iphone-xs-max-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPadMini(.portrait)), named: "ipad-mini-alternative"
)
assertSnapshot(
of: viewController, as: .image(on: .iPad9_7(.portrait)), named: "ipad-9-7-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPad10_2(.portrait)), named: "ipad-10-2-alternative"
)
assertSnapshot(
of: viewController, as: .image(on: .iPadPro10_5(.portrait)),
named: "ipad-pro-10-5-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro11(.portrait)),
named: "ipad-pro-11-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro12_9(.portrait)),
named: "ipad-pro-12-9-alternative")
allContentSizes.forEach { name, contentSize in
assertSnapshot(
of: viewController,
as: .image(on: .iPhoneSe, traits: .init(preferredContentSizeCategory: contentSize)),
named: "iphone-se-\(name)"
)
}
#elseif os(tvOS)
assertSnapshot(
of: viewController, as: .image(on: .tv), named: "tv")
assertSnapshot(
of: viewController, as: .image(on: .tv4K), named: "tv4k")
#endif
}
#endif
}
func testTraitsEmbeddedInTabNavigation() {
#if os(iOS)
if #available(iOS 11.0, *) {
class MyViewController: UIViewController {
let topLabel = UILabel()
let leadingLabel = UILabel()
let trailingLabel = UILabel()
let bottomLabel = UILabel()
override func viewDidLoad() {
super.viewDidLoad()
self.navigationItem.leftBarButtonItem = .init(
barButtonSystemItem: .add, target: nil, action: nil)
self.view.backgroundColor = .white
self.topLabel.text = "What's"
self.leadingLabel.text = "the"
self.trailingLabel.text = "point"
self.bottomLabel.text = "?"
self.topLabel.translatesAutoresizingMaskIntoConstraints = false
self.leadingLabel.translatesAutoresizingMaskIntoConstraints = false
self.trailingLabel.translatesAutoresizingMaskIntoConstraints = false
self.bottomLabel.translatesAutoresizingMaskIntoConstraints = false
self.view.addSubview(self.topLabel)
self.view.addSubview(self.leadingLabel)
self.view.addSubview(self.trailingLabel)
self.view.addSubview(self.bottomLabel)
NSLayoutConstraint.activate([
self.topLabel.topAnchor.constraint(equalTo: self.view.safeAreaLayoutGuide.topAnchor),
self.topLabel.centerXAnchor.constraint(
equalTo: self.view.safeAreaLayoutGuide.centerXAnchor),
self.leadingLabel.leadingAnchor.constraint(
equalTo: self.view.safeAreaLayoutGuide.leadingAnchor),
self.leadingLabel.trailingAnchor.constraint(
lessThanOrEqualTo: self.view.safeAreaLayoutGuide.centerXAnchor),
// self.leadingLabel.trailingAnchor.constraint(equalTo: self.view.safeAreaLayoutGuide.centerXAnchor),
self.leadingLabel.centerYAnchor.constraint(
equalTo: self.view.safeAreaLayoutGuide.centerYAnchor),
self.trailingLabel.leadingAnchor.constraint(
greaterThanOrEqualTo: self.view.safeAreaLayoutGuide.centerXAnchor),
self.trailingLabel.trailingAnchor.constraint(
equalTo: self.view.safeAreaLayoutGuide.trailingAnchor),
self.trailingLabel.centerYAnchor.constraint(
equalTo: self.view.safeAreaLayoutGuide.centerYAnchor),
self.bottomLabel.bottomAnchor.constraint(
equalTo: self.view.safeAreaLayoutGuide.bottomAnchor),
self.bottomLabel.centerXAnchor.constraint(
equalTo: self.view.safeAreaLayoutGuide.centerXAnchor),
])
}
override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
super.traitCollectionDidChange(previousTraitCollection)
self.topLabel.font = .preferredFont(
forTextStyle: .headline, compatibleWith: self.traitCollection)
self.leadingLabel.font = .preferredFont(
forTextStyle: .body, compatibleWith: self.traitCollection)
self.trailingLabel.font = .preferredFont(
forTextStyle: .body, compatibleWith: self.traitCollection)
self.bottomLabel.font = .preferredFont(
forTextStyle: .subheadline, compatibleWith: self.traitCollection)
self.view.setNeedsUpdateConstraints()
self.view.updateConstraintsIfNeeded()
}
}
let myViewController = MyViewController()
let navController = UINavigationController(rootViewController: myViewController)
let viewController = UITabBarController()
viewController.setViewControllers([navController], animated: false)
assertSnapshot(of: viewController, as: .image(on: .iPhoneSe), named: "iphone-se")
assertSnapshot(of: viewController, as: .image(on: .iPhone8), named: "iphone-8")
assertSnapshot(of: viewController, as: .image(on: .iPhone8Plus), named: "iphone-8-plus")
assertSnapshot(of: viewController, as: .image(on: .iPhoneX), named: "iphone-x")
assertSnapshot(of: viewController, as: .image(on: .iPhoneXr), named: "iphone-xr")
assertSnapshot(of: viewController, as: .image(on: .iPhoneXsMax), named: "iphone-xs-max")
assertSnapshot(of: viewController, as: .image(on: .iPadMini), named: "ipad-mini")
assertSnapshot(of: viewController, as: .image(on: .iPad9_7), named: "ipad-9-7")
assertSnapshot(of: viewController, as: .image(on: .iPad10_2), named: "ipad-10-2")
assertSnapshot(of: viewController, as: .image(on: .iPadPro10_5), named: "ipad-pro-10-5")
assertSnapshot(of: viewController, as: .image(on: .iPadPro11), named: "ipad-pro-11")
assertSnapshot(of: viewController, as: .image(on: .iPadPro12_9), named: "ipad-pro-12-9")
assertSnapshot(of: viewController, as: .image(on: .iPhoneSe(.portrait)), named: "iphone-se")
assertSnapshot(of: viewController, as: .image(on: .iPhone8(.portrait)), named: "iphone-8")
assertSnapshot(
of: viewController, as: .image(on: .iPhone8Plus(.portrait)), named: "iphone-8-plus")
assertSnapshot(of: viewController, as: .image(on: .iPhoneX(.portrait)), named: "iphone-x")
assertSnapshot(of: viewController, as: .image(on: .iPhoneXr(.portrait)), named: "iphone-xr")
assertSnapshot(
of: viewController, as: .image(on: .iPhoneXsMax(.portrait)), named: "iphone-xs-max")
assertSnapshot(
of: viewController, as: .image(on: .iPadMini(.landscape)), named: "ipad-mini")
assertSnapshot(of: viewController, as: .image(on: .iPad9_7(.landscape)), named: "ipad-9-7")
assertSnapshot(
of: viewController, as: .image(on: .iPad10_2(.landscape)), named: "ipad-10-2")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro10_5(.landscape)), named: "ipad-pro-10-5")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro11(.landscape)), named: "ipad-pro-11")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro12_9(.landscape)), named: "ipad-pro-12-9")
assertSnapshot(
of: viewController, as: .image(on: .iPhoneSe(.landscape)), named: "iphone-se-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPhone8(.landscape)), named: "iphone-8-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPhone8Plus(.landscape)),
named: "iphone-8-plus-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPhoneX(.landscape)), named: "iphone-x-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPhoneXr(.landscape)), named: "iphone-xr-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPhoneXsMax(.landscape)),
named: "iphone-xs-max-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPadMini(.portrait)), named: "ipad-mini-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPad9_7(.portrait)), named: "ipad-9-7-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPad10_2(.portrait)), named: "ipad-10-2-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro10_5(.portrait)),
named: "ipad-pro-10-5-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro11(.portrait)),
named: "ipad-pro-11-alternative")
assertSnapshot(
of: viewController, as: .image(on: .iPadPro12_9(.portrait)),
named: "ipad-pro-12-9-alternative")
}
#endif
}
func testCollectionViewsWithMultipleScreenSizes() {
#if os(iOS)
final class CollectionViewController: UIViewController, UICollectionViewDataSource,
UICollectionViewDelegateFlowLayout
{
let flowLayout: UICollectionViewFlowLayout = {
let layout = UICollectionViewFlowLayout()
layout.scrollDirection = .horizontal
layout.minimumLineSpacing = 20
return layout
}()
lazy var collectionView = UICollectionView(frame: .zero, collectionViewLayout: flowLayout)
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = .white
view.addSubview(collectionView)
collectionView.backgroundColor = .white
collectionView.dataSource = self
collectionView.delegate = self
collectionView.register(UICollectionViewCell.self, forCellWithReuseIdentifier: "Cell")
collectionView.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
collectionView.leadingAnchor.constraint(equalTo: view.layoutMarginsGuide.leadingAnchor),
collectionView.topAnchor.constraint(equalTo: view.layoutMarginsGuide.topAnchor),
collectionView.trailingAnchor.constraint(
equalTo: view.layoutMarginsGuide.trailingAnchor),
collectionView.bottomAnchor.constraint(equalTo: view.layoutMarginsGuide.bottomAnchor),
])
collectionView.reloadData()
}
override func viewDidLayoutSubviews() {
super.viewDidLayoutSubviews()
collectionView.collectionViewLayout.invalidateLayout()
}
override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
super.traitCollectionDidChange(previousTraitCollection)
collectionView.collectionViewLayout.invalidateLayout()
}
func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath)
-> UICollectionViewCell
{
let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "Cell", for: indexPath)
cell.contentView.backgroundColor = .orange
return cell
}
func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int)
-> Int
{
return 20
}
func collectionView(
_ collectionView: UICollectionView,
layout collectionViewLayout: UICollectionViewLayout,
sizeForItemAt indexPath: IndexPath
) -> CGSize {
return CGSize(
width: min(collectionView.frame.width - 50, 300),
height: collectionView.frame.height
)
}
}
let viewController = CollectionViewController()
assertSnapshots(
of: viewController,
as: [
"ipad": .image(on: .iPadPro12_9),
"iphoneSe": .image(on: .iPhoneSe),
"iphone8": .image(on: .iPhone8),
"iphoneMax": .image(on: .iPhoneXsMax),
])
#endif
}
func testTraitsWithView() {
#if os(iOS)
if #available(iOS 11.0, *) {
let label = UILabel()
label.font = .preferredFont(forTextStyle: .title1)
label.adjustsFontForContentSizeCategory = true
label.text = "What's the point?"
allContentSizes.forEach { name, contentSize in
assertSnapshot(
of: label,
as: .image(traits: .init(preferredContentSizeCategory: contentSize)),
named: "label-\(name)"
)
}
}
#endif
}
func testTraitsWithViewController() {
#if os(iOS)
let label = UILabel()
label.font = .preferredFont(forTextStyle: .title1)
label.adjustsFontForContentSizeCategory = true
label.text = "What's the point?"
let viewController = UIViewController()
viewController.view.addSubview(label)
label.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
label.leadingAnchor.constraint(
equalTo: viewController.view.layoutMarginsGuide.leadingAnchor),
label.topAnchor.constraint(equalTo: viewController.view.layoutMarginsGuide.topAnchor),
label.trailingAnchor.constraint(
equalTo: viewController.view.layoutMarginsGuide.trailingAnchor),
])
allContentSizes.forEach { name, contentSize in
assertSnapshot(
of: viewController,
as: .recursiveDescription(
on: .iPhoneSe, traits: .init(preferredContentSizeCategory: contentSize)),
named: "label-\(name)"
)
}
#endif
}
func testUIBezierPath() {
#if os(iOS) || os(tvOS)
let path = UIBezierPath.heart
let osName: String
#if os(iOS)
osName = "iOS"
#elseif os(tvOS)
osName = "tvOS"
#endif
if !ProcessInfo.processInfo.environment.keys.contains("GITHUB_WORKFLOW") {
assertSnapshot(of: path, as: .image, named: osName)
}
if #available(iOS 11.0, tvOS 11.0, *) {
assertSnapshot(of: path, as: .elementsDescription, named: osName)
}
#endif
}
func testUIView() {
#if os(iOS)
let view = UIButton(type: .contactAdd)
assertSnapshot(of: view, as: .image)
assertSnapshot(of: view, as: .recursiveDescription)
#endif
}
func testUIViewControllerLifeCycle() {
#if os(iOS)
class ViewController: UIViewController {
let viewDidLoadExpectation: XCTestExpectation
let viewWillAppearExpectation: XCTestExpectation
let viewDidAppearExpectation: XCTestExpectation
let viewWillDisappearExpectation: XCTestExpectation
let viewDidDisappearExpectation: XCTestExpectation
init(
viewDidLoadExpectation: XCTestExpectation,
viewWillAppearExpectation: XCTestExpectation,
viewDidAppearExpectation: XCTestExpectation,
viewWillDisappearExpectation: XCTestExpectation,
viewDidDisappearExpectation: XCTestExpectation
) {
self.viewDidLoadExpectation = viewDidLoadExpectation
self.viewWillAppearExpectation = viewWillAppearExpectation
self.viewDidAppearExpectation = viewDidAppearExpectation
self.viewWillDisappearExpectation = viewWillDisappearExpectation
self.viewDidDisappearExpectation = viewDidDisappearExpectation
super.init(nibName: nil, bundle: nil)
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
viewDidLoadExpectation.fulfill()
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
viewWillAppearExpectation.fulfill()
}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
viewDidAppearExpectation.fulfill()
}