Add CustomStringConvertibles (#92)

- Just take the `CustomStringConvertible` changes from #83

Author: bolsinga

Sources/MapLibreSwiftUI/MapView.swift

@@ -4,11 +4,20 @@ import MapLibreSwiftDSL
 import SwiftUI
 
 /// Identifies the activity this ``MapView`` is being used for. Useful for debugging purposes.
-public enum MapActivity: Int {
+public enum MapActivity: Int, CustomStringConvertible {
     /// Navigation in a standard window. Default.
     case standard = 0
     /// Navigation in a CarPlay template.
     case carplay = 2025
+
+    public var description: String {
+        switch self {
+        case .standard:
+            "standard"
+        case .carplay:
+            "carplay"
+        }
+    }
 }
 
 public struct MapView<T: MapViewHostViewController>: UIViewControllerRepresentable {

Sources/MapLibreSwiftUI/MapViewCoordinator.swift

@@ -2,6 +2,27 @@ import Foundation
 import MapLibre
 import MapLibreSwiftDSL
 
+extension MLNCameraChangeReason: @retroactive CustomStringConvertible {
+    private static let descriptions: [(Self, String)] = [
+        (.programmatic, "programmatic"),
+        (.resetNorth, "resetNorth"),
+        (.gesturePan, "gesturePan"),
+        (.gesturePinch, "gesturePinch"),
+        (.gestureRotate, "gestureRotate"),
+        (.gestureZoomIn, "gestureZoomIn"),
+        (.gestureZoomOut, "gestureZoomOut"),
+        (.gestureOneFingerZoom, "gestureOneFingerZoom"),
+        (.gestureTilt, "gestureTilt"),
+        (.transitionCancelled, "transitionCancelled"),
+    ]
+
+    public var description: String {
+        var names = Self.descriptions.filter { contains($0.0) }.map(\.1)
+        if names.isEmpty { names = ["none"] }
+        return names.joined(separator: ",")
+    }
+}
+
 public class MapViewCoordinator<T: MapViewHostViewController>: NSObject, @preconcurrency
 MLNMapViewDelegate {
     // This must be weak, the UIViewRepresentable owns the MLNMapView.

Sources/MapLibreSwiftUI/Models/MapCamera/MapViewCamera.swift

@@ -5,7 +5,7 @@ import MapLibre
 /// The SwiftUI MapViewCamera.
 ///
 /// This manages the camera state within the MapView.
-public struct MapViewCamera: Hashable, Equatable, Sendable {
+public struct MapViewCamera: Hashable, Equatable, Sendable, CustomStringConvertible {
     public enum Defaults {
         public static let coordinate = CLLocationCoordinate2D(latitude: 0, longitude: 0)
         public static let zoom: Double = 10
@@ -139,4 +139,8 @@ public struct MapViewCamera: Hashable, Equatable, Sendable {
         MapViewCamera(state: .rect(boundingBox: box, edgePadding: edgePadding),
                       lastReasonForChange: .programmatic)
     }
+
+    public var description: String {
+        "State: \(state) last: \((lastReasonForChange != nil) ? "\(lastReasonForChange!)" : "nil")"
+    }
 }

Tests/MapLibreSwiftUITests/Models/Gesture/MapGestureTests.swift

@@ -5,7 +5,6 @@ final class MapGestureTests: XCTestCase {
     func testTapGestureDefaults() {
         let gesture = MapGesture(method: .tap(),
                                  onChange: .context { _ in
-
                                  })
 
         XCTAssertEqual(gesture.method, .tap())
@@ -15,7 +14,6 @@ final class MapGestureTests: XCTestCase {
     func testTapGesture() {
         let gesture = MapGesture(method: .tap(numberOfTaps: 3),
                                  onChange: .context { _ in
-
                                  })
 
         XCTAssertEqual(gesture.method, .tap(numberOfTaps: 3))
@@ -25,7 +23,6 @@ final class MapGestureTests: XCTestCase {
     func testLongPressGestureDefaults() {
         let gesture = MapGesture(method: .longPress(),
                                  onChange: .context { _ in
-
                                  })
 
         XCTAssertEqual(gesture.method, .longPress())
@@ -35,7 +32,6 @@ final class MapGestureTests: XCTestCase {
     func testLongPressGesture() {
         let gesture = MapGesture(method: .longPress(minimumDuration: 3),
                                  onChange: .context { _ in
-
                                  })
 
         XCTAssertEqual(gesture.method, .longPress(minimumDuration: 3))

Tests/MapLibreSwiftUITests/Models/MapCamera/__Snapshots__/MapViewCameraTests/testBoundingBox.1.txt

@@ -1,6 +1,4 @@
-▿ MapViewCamera
-  ▿ lastReasonForChange: Optional<CameraChangeReason>
-    - some: CameraChangeReason.programmatic
+▿ State: CameraState.rect(northeast: CLLocationCoordinate2D(latitude: 24.6993808, longitude: 46.7709285), southwest: CLLocationCoordinate2D(latitude: 24.6056011, longitude: 46.67369842529297), edgePadding: UIEdgeInsets(top: 20.0, left: 20.0, bottom: 20.0, right: 20.0)) last: programmatic
   ▿ state: CameraState
     ▿ rect: (2 elements)
       ▿ boundingBox: MLNCoordinateBounds
@@ -15,3 +13,5 @@
         - left: 20.0
         - right: 20.0
         - top: 20.0
+  ▿ lastReasonForChange: Optional<CameraChangeReason>
+    - some: CameraChangeReason.programmatic

Tests/MapLibreSwiftUITests/Models/MapCamera/__Snapshots__/MapViewCameraTests/testCenterCamera.1.txt

@@ -1,5 +1,4 @@
-▿ MapViewCamera
-  - lastReasonForChange: Optional<CameraChangeReason>.none
+▿ State: CameraState.centered(onCoordinate: CLLocationCoordinate2D(latitude: 12.3, longitude: 23.4), zoom: 5.0, pitch: 12.0, pitchRange: free, direction: 23.0) last: nil
   ▿ state: CameraState
     ▿ centered: (5 elements)
       ▿ onCoordinate: CLLocationCoordinate2D
@@ -9,3 +8,4 @@
       - pitch: 12.0
       - pitchRange: CameraPitchRange.free
       - direction: 23.0
+  - lastReasonForChange: Optional<CameraChangeReason>.none

Tests/MapLibreSwiftUITests/Models/MapCamera/__Snapshots__/MapViewCameraTests/testTrackUserLocationWithCourse.1.txt

@@ -1,6 +1,4 @@
-▿ MapViewCamera
-  ▿ lastReasonForChange: Optional<CameraChangeReason>
-    - some: CameraChangeReason.programmatic
+▿ State: CameraState.trackingUserLocationWithCourse(zoom: (18.0, 0.0, MapLibreSwiftUI.CameraPitchRange.freeWithinRange(minimum: 12.0, maximum: 34.0))) last: programmatic
   ▿ state: CameraState
     ▿ trackingUserLocationWithCourse: (3 elements)
       - zoom: 18.0
@@ -9,3 +7,5 @@
         ▿ freeWithinRange: (2 elements)
           - minimum: 12.0
           - maximum: 34.0
+  ▿ lastReasonForChange: Optional<CameraChangeReason>
+    - some: CameraChangeReason.programmatic

Tests/MapLibreSwiftUITests/Models/MapCamera/__Snapshots__/MapViewCameraTests/testTrackUserLocationWithHeading.1.txt

@@ -1,8 +1,8 @@
-▿ MapViewCamera
-  ▿ lastReasonForChange: Optional<CameraChangeReason>
-    - some: CameraChangeReason.programmatic
+▿ State: CameraState.trackingUserLocationWithHeading(zoom: (10.0, 0.0, MapLibreSwiftUI.CameraPitchRange.free)) last: programmatic
   ▿ state: CameraState
     ▿ trackingUserLocationWithHeading: (3 elements)
       - zoom: 10.0
       - pitch: 0.0
       - pitchRange: CameraPitchRange.free
+  ▿ lastReasonForChange: Optional<CameraChangeReason>
+    - some: CameraChangeReason.programmatic

Tests/MapLibreSwiftUITests/Models/MapCamera/__Snapshots__/MapViewCameraTests/testTrackingUserLocation.1.txt

@@ -1,6 +1,4 @@
-▿ MapViewCamera
-  ▿ lastReasonForChange: Optional<CameraChangeReason>
-    - some: CameraChangeReason.programmatic
+▿ State: CameraState.trackingUserLocation(zoom: (10.0, 0.0, MapLibreSwiftUI.CameraPitchRange.freeWithinRange(minimum: 12.0, maximum: 34.0), 0.0)) last: programmatic
   ▿ state: CameraState
     ▿ trackingUserLocation: (4 elements)
       - zoom: 10.0
@@ -10,3 +8,5 @@
           - minimum: 12.0
           - maximum: 34.0
       - direction: 0.0
+  ▿ lastReasonForChange: Optional<CameraChangeReason>
+    - some: CameraChangeReason.programmatic