test: add tests for collision, items, directional, sprite

enum macros for FruitKind

tests/collision.rs

@@ -0,0 +1,119 @@
+use pacman::entity::collision::{Collidable, CollisionSystem};
+use pacman::entity::traversal::Position;
+
+struct MockCollidable {
+    pos: Position,
+}
+
+impl Collidable for MockCollidable {
+    fn position(&self) -> Position {
+        self.pos
+    }
+}
+
+#[test]
+fn test_is_colliding_with() {
+    let entity1 = MockCollidable {
+        pos: Position::AtNode(1),
+    };
+    let entity2 = MockCollidable {
+        pos: Position::AtNode(1),
+    };
+    let entity3 = MockCollidable {
+        pos: Position::AtNode(2),
+    };
+    let entity4 = MockCollidable {
+        pos: Position::BetweenNodes {
+            from: 1,
+            to: 2,
+            traversed: 0.5,
+        },
+    };
+
+    assert!(entity1.is_colliding_with(&entity2));
+    assert!(!entity1.is_colliding_with(&entity3));
+    assert!(entity1.is_colliding_with(&entity4));
+    assert!(entity3.is_colliding_with(&entity4));
+}
+
+#[test]
+fn test_collision_system_register_and_query() {
+    let mut collision_system = CollisionSystem::default();
+
+    let pos1 = Position::AtNode(1);
+    let entity1 = collision_system.register_entity(pos1);
+
+    let pos2 = Position::BetweenNodes {
+        from: 1,
+        to: 2,
+        traversed: 0.5,
+    };
+    let entity2 = collision_system.register_entity(pos2);
+
+    let pos3 = Position::AtNode(3);
+    let entity3 = collision_system.register_entity(pos3);
+
+    // Test entities_at_node
+    assert_eq!(collision_system.entities_at_node(1), &[entity1, entity2]);
+    assert_eq!(collision_system.entities_at_node(2), &[entity2]);
+    assert_eq!(collision_system.entities_at_node(3), &[entity3]);
+    assert_eq!(collision_system.entities_at_node(4), &[] as &[u32]);
+
+    // Test potential_collisions
+    let mut collisions1 = collision_system.potential_collisions(&pos1);
+    collisions1.sort_unstable();
+    assert_eq!(collisions1, vec![entity1, entity2]);
+
+    let mut collisions2 = collision_system.potential_collisions(&pos2);
+    collisions2.sort_unstable();
+    assert_eq!(collisions2, vec![entity1, entity2]);
+
+    let mut collisions3 = collision_system.potential_collisions(&pos3);
+    collisions3.sort_unstable();
+    assert_eq!(collisions3, vec![entity3]);
+}
+
+#[test]
+fn test_collision_system_update() {
+    let mut collision_system = CollisionSystem::default();
+
+    let entity1 = collision_system.register_entity(Position::AtNode(1));
+
+    assert_eq!(collision_system.entities_at_node(1), &[entity1]);
+    assert_eq!(collision_system.entities_at_node(2), &[] as &[u32]);
+
+    collision_system.update_position(entity1, Position::AtNode(2));
+
+    assert_eq!(collision_system.entities_at_node(1), &[] as &[u32]);
+    assert_eq!(collision_system.entities_at_node(2), &[entity1]);
+
+    collision_system.update_position(
+        entity1,
+        Position::BetweenNodes {
+            from: 2,
+            to: 3,
+            traversed: 0.1,
+        },
+    );
+
+    assert_eq!(collision_system.entities_at_node(1), &[] as &[u32]);
+    assert_eq!(collision_system.entities_at_node(2), &[entity1]);
+    assert_eq!(collision_system.entities_at_node(3), &[entity1]);
+}
+
+#[test]
+fn test_collision_system_remove() {
+    let mut collision_system = CollisionSystem::default();
+
+    let entity1 = collision_system.register_entity(Position::AtNode(1));
+    let entity2 = collision_system.register_entity(Position::AtNode(1));
+
+    assert_eq!(collision_system.entities_at_node(1), &[entity1, entity2]);
+
+    collision_system.remove_entity(entity1);
+
+    assert_eq!(collision_system.entities_at_node(1), &[entity2]);
+
+    collision_system.remove_entity(entity2);
+    assert_eq!(collision_system.entities_at_node(1), &[] as &[u32]);
+}