Implements per default addition of one accessibility snapshot per view

Author: LukasLiebl

Package.swift

@@ -17,14 +17,16 @@ let package = Package(
     ],
     dependencies: [
         .package(name: "swift-snapshot-testing", url: "https://github.com/pointfreeco/swift-snapshot-testing.git", .upToNextMajor(from: "1.12.0")),
-        .package(name: "SwiftRex", url: "https://github.com/SwiftRex/SwiftRex.git", .upToNextMajor(from: "0.8.12"))
+        .package(name: "SwiftRex", url: "https://github.com/SwiftRex/SwiftRex.git", .upToNextMajor(from: "0.8.12")),
+        .package(name: "AccessibilitySnapshot", url: "https://github.com/cashapp/AccessibilitySnapshot.git", from: "0.7.0"),
     ],
     targets: [
         .target(
             name: "TestingExtensions",
             dependencies: [
                 .product(name: "SnapshotTesting", package: "swift-snapshot-testing"),
-                .product(name: "CombineRexDynamic", package: "SwiftRex")
+                .product(name: "CombineRexDynamic", package: "SwiftRex"),
+                .product(name: "AccessibilitySnapshot", package: "AccessibilitySnapshot")
             ]
         )
     ]

Sources/TestingExtensions/SnapshotTestBase.swift

@@ -11,6 +11,7 @@ import Foundation
 import SnapshotTesting
 import SwiftUI
 import XCTest
+import AccessibilitySnapshot
 
 open class SnapshotTestBase: XCTestCase {
     public var allowAnimations: Bool = false
@@ -28,10 +29,17 @@ open class SnapshotTestBase: XCTestCase {
             ("iPadPro", .iPadPro12_9(.portrait))
         ]
     }
+    
+    open var accessibilityDevices: [(name: String, device: ViewImageConfig)] {
+        [
+            ("iPhone13pro", .iPhone13)
+        ]
+    }
 
     open func assertSnapshotDevices<V: View>(
         _ view: V,
         devices: [(name: String, device: ViewImageConfig)]? = nil,
+        accessibilityDevices: [(name: String, device: ViewImageConfig)]? = nil,
         style:  [UIUserInterfaceStyle] = [.unspecified],
         imageDiffPrecision: Float = 1.0,
         file: StaticString = #file,
@@ -64,6 +72,17 @@ open class SnapshotTestBase: XCTestCase {
                 )
             }
         }
+        
+        (accessibilityDevices ?? self.accessibilityDevices).forEach { config in
+            let vc = UIHostingController(rootView: view)
+            assertSnapshot(
+                of: vc,
+                as: .accessibilityImage(showActivationPoints: .always),
+                file: file,
+                testName: "\(testName)-\(config.name)-accessibility",
+                line: line
+            )
+        }
     }
 }
 #endif