feat(tests): add a test for the CardSwiperController

analysis_options.yaml

@@ -51,7 +51,6 @@ linter:
     - camel_case_extensions
     - camel_case_types
     - cancel_subscriptions
-    - cascade_invocations
     - cast_nullable_to_non_nullable
     - close_sinks
     - collection_methods_unrelated_type

test/card_swiper_controller_test.dart

@@ -0,0 +1,37 @@
+import 'package:flutter_card_swiper/src/card_swiper_controller.dart';
+import 'package:flutter_card_swiper/src/enums.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  group('CardSwiperController', () {
+    test('swipe() changes state to swipe', () {
+      final controller = CardSwiperController();
+      controller.swipe();
+      expect(controller.state, CardSwiperState.swipe);
+    });
+
+    test('swipeLeft() changes state to swipeLeft', () {
+      final controller = CardSwiperController();
+      controller.swipeLeft();
+      expect(controller.state, CardSwiperState.swipeLeft);
+    });
+
+    test('swipeRight() changes state to swipeRight', () {
+      final controller = CardSwiperController();
+      controller.swipeRight();
+      expect(controller.state, CardSwiperState.swipeRight);
+    });
+
+    test('swipeTop() changes state to swipeTop', () {
+      final controller = CardSwiperController();
+      controller.swipeTop();
+      expect(controller.state, CardSwiperState.swipeTop);
+    });
+
+    test('swipeBottom() changes state to swipeBottom', () {
+      final controller = CardSwiperController();
+      controller.swipeBottom();
+      expect(controller.state, CardSwiperState.swipeBottom);
+    });
+  });
+}