test: arcshape coverage

packages/pinball_components/test/src/components/shapes/arc_shape_test.dart

@@ -1,5 +1,129 @@
+import 'dart:math' as math;
+import 'package:flame/extensions.dart';
+import 'package:flame/game.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_components/src/components/components.dart';
 
 void main() {
-  group('ArcShape', () {});
+  group('ArcShape', () {
+    test('can be instantiated', () {
+      expect(
+        ArcShape(
+          center: Vector2.zero(),
+          arcRadius: 10,
+          angle: 2 * math.pi,
+          rotation: 0,
+        ),
+        isNotNull,
+      );
+    });
+  });
+
+  group('copyWith', () {
+    test('returns same shape when no properties are passed', () {
+      final arcShape = ArcShape(
+        center: Vector2.zero(),
+        arcRadius: 10,
+        angle: 2 * math.pi,
+        rotation: 0,
+      );
+      final arcShapeCopied = arcShape.copyWith();
+
+      for (var index = 0; index < arcShape.vertices.length; index++) {
+        expect(
+          arcShape.vertices[index],
+          equals(arcShapeCopied.vertices[index]),
+        );
+      }
+    });
+
+    test('returns object with updated center when center is passed', () {
+      final arcShapeExpected = ArcShape(
+        center: Vector2.all(10),
+        arcRadius: 10,
+        angle: 2 * math.pi,
+        rotation: 0,
+      );
+      final arcShapeCopied = ArcShape(
+        center: Vector2.zero(),
+        arcRadius: 10,
+        angle: 2 * math.pi,
+        rotation: 0,
+      ).copyWith(center: Vector2.all(10));
+
+      for (var index = 0; index < arcShapeCopied.vertices.length; index++) {
+        expect(
+          arcShapeCopied.vertices[index],
+          equals(arcShapeExpected.vertices[index]),
+        );
+      }
+    });
+
+    test('returns object with updated arcRadius when majorRadius is passed',
+        () {
+      final arcShapeExpected = ArcShape(
+        center: Vector2.all(10),
+        arcRadius: 12,
+        angle: 2 * math.pi,
+        rotation: 0,
+      );
+      final arcShapeCopied = ArcShape(
+        center: Vector2.all(10),
+        arcRadius: 10,
+        angle: 2 * math.pi,
+        rotation: 0,
+      ).copyWith(arcRadius: 12);
+
+      for (var index = 0; index < arcShapeCopied.vertices.length; index++) {
+        expect(
+          arcShapeCopied.vertices[index],
+          equals(arcShapeExpected.vertices[index]),
+        );
+      }
+    });
+
+    test('returns object with updated angle when angle is passed', () {
+      final arcShapeExpected = ArcShape(
+        center: Vector2.all(10),
+        arcRadius: 10,
+        angle: 2 * math.pi,
+        rotation: 0,
+      );
+      final arcShapeCopied = ArcShape(
+        center: Vector2.all(10),
+        arcRadius: 10,
+        angle: math.pi,
+        rotation: 0,
+      ).copyWith(angle: 2 * math.pi);
+
+      for (var index = 0; index < arcShapeCopied.vertices.length; index++) {
+        expect(
+          arcShapeCopied.vertices[index],
+          equals(arcShapeExpected.vertices[index]),
+        );
+      }
+    });
+
+    test('returns object with updated rotation when rotation is passed', () {
+      final arcShapeExpected = ArcShape(
+        center: Vector2.all(10),
+        arcRadius: 10,
+        angle: math.pi,
+        rotation: math.pi,
+      );
+      final arcShapeCopied = ArcShape(
+        center: Vector2.all(10),
+        arcRadius: 10,
+        angle: math.pi,
+        rotation: 0,
+      ).copyWith(rotation: math.pi);
+
+      for (var index = 0; index < arcShapeCopied.vertices.length; index++) {
+        expect(
+          arcShapeCopied.vertices[index],
+          equals(arcShapeExpected.vertices[index]),
+        );
+      }
+    });
+  });
 }