Merge pull request #515 from Baseflow/equality

Implement equality for Permission

permission_handler_platform_interface/CHANGELOG.md

+## 3.1.3 
+
+* Implemented equality operator for `Permission` class;
+* Reverted services status check for notification permission. Turns out implementation does not fit with idea's of permission_handler plugin.
+
 ## 3.1.2
 
 * Allow checking serviceStatus for notification permission.

permission_handler_platform_interface/lib/src/permissions.dart

@@ -11,6 +11,7 @@ class PermissionWithService extends Permission {
 }
 
 /// Defines the permissions which can be checked and requested.
+@immutable
 class Permission {
   const Permission._(this.value);
   factory Permission.byValue(int value) => values[value];
@@ -92,7 +93,7 @@ class Permission {
 
   /// Android: Notification
   /// iOS: Notification
-  static const notification = PermissionWithService._(17);
+  static const notification = Permission._(17);
 
   /// Android: Allows an application to access any geographic locations
   /// persisted in the user's shared collection.
@@ -163,4 +164,18 @@ class Permission {
 
   @override
   String toString() => 'Permission.${_names[value]}';
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) {
+      return true;
+    }
+    if (other.runtimeType != runtimeType) {
+      return false;
+    }
+    return other is Permission && other.value == value;
+  }
+
+  @override
+  int get hashCode => value.hashCode;
 }

permission_handler_platform_interface/pubspec.yaml

@@ -3,7 +3,7 @@ description: A common platform interface for the permission_handler plugin.
 homepage: https://github.com/baseflow/flutter-permission-handler/tree/master/permission_handler_platform_interface
 # NOTE: We strongly prefer non-breaking changes, even at the expense of a
 # less-clean API. See https://flutter.dev/go/platform-interface-breaking-changes
-version: 3.1.2
+version: 3.1.3
 
 dependencies:
   flutter:

permission_handler_platform_interface/test/src/permissions_test.dart

@@ -22,4 +22,59 @@ void main() {
     var permissionName = permissionWithService.toString();
     expect(permissionName, 'Permission.calendar');
   });
+
+  test(
+      // ignore: lines_longer_than_80_chars
+      'equality operator should return true for two instances with the same values',
+      () {
+    // Arrange
+    final firstPermission = Permission.byValue(1);
+    final secondPermission = Permission.byValue(1);
+
+    // Act & Assert
+    expect(
+      firstPermission == secondPermission,
+      true,
+    );
+  });
+
+  test(
+      // ignore: lines_longer_than_80_chars
+      'equality operator should return false for two instances with different values',
+      () {
+    // Arrange
+    final firstPermission = Permission.byValue(1);
+    final secondPermission = Permission.byValue(2);
+
+    // Act & Assert
+    expect(
+      firstPermission == secondPermission,
+      false,
+    );
+  });
+
+  test('hashCode should be the same for two instances with the same values',
+      () {
+    // Arrange
+    final firstPermission = Permission.byValue(1);
+    final secondPermission = Permission.byValue(1);
+
+    // Act & Assert
+    expect(
+      firstPermission.hashCode,
+      secondPermission.hashCode,
+    );
+  });
+
+  test('hashCode should not match for two instances with different values', () {
+    // Arrange
+    final firstPermission = Permission.byValue(1);
+    final secondPermission = Permission.byValue(2);
+
+    // Act & Assert
+    expect(
+      firstPermission.hashCode == secondPermission.hashCode,
+      false,
+    );
+  });
 }