initial commit

tests/Unit/Game/EntityListTest.php

@@ -0,0 +1,83 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Unit\Game;
+
+use App\Game\Entities\Zombie;
+use App\Game\EntityList;
+use App\Game\Room;
+use App\Game\Vector2;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\TestCase;
+
+final class EntityListTest extends TestCase
+{
+    #[Test]
+    public function appendAndCount(): void
+    {
+        $room = new Room('r');
+        $list = new EntityList();
+        $zombie = new Zombie(0.0, 0.0, $list, $room);
+        $list->append($zombie);
+        $this->assertCount(1, $list);
+    }
+
+    #[Test]
+    public function removeRemovesInstance(): void
+    {
+        $room = new Room('r');
+        $list = new EntityList();
+        $a = new Zombie(0.0, 0.0, $list, $room);
+        $b = new Zombie(10.0, 0.0, $list, $room);
+        $list->append($a);
+        $list->append($b);
+        $list->remove($a);
+        $this->assertCount(1, $list);
+        $this->assertSame($b, $list[1]);
+    }
+
+    #[Test]
+    public function removeLeavesNoGapsAfterManyRemovals(): void
+    {
+        $room = new Room('r');
+        $list = new EntityList();
+        $items = [];
+        for ($i = 0; $i < 20; $i++) {
+            $items[] = new Zombie((float) $i, 0.0, $list, $room);
+        }
+        foreach ($items as $item) {
+            $list->append($item);
+        }
+        foreach ([10, 3, 17, 0] as $index) {
+            $list->remove($items[$index]);
+        }
+        $this->assertSame(16, $list->count());
+        $this->assertFalse($list->offsetExists(10));
+        $this->assertTrue($list->offsetExists(2));
+    }
+
+    #[Test]
+    public function findByKindFilters(): void
+    {
+        $room = new Room('r');
+        $list = new EntityList();
+        $list->append(new Zombie(0.0, 0.0, $list, $room));
+        $list->append(new Zombie(10.0, 0.0, $list, $room));
+        $found = $list->findByKind('zombie');
+        $this->assertCount(2, $found);
+        $this->assertSame([], $list->findByKind('player'));
+    }
+
+    #[Test]
+    public function copyReturnsDetachedArray(): void
+    {
+        $room = new Room('r');
+        $list = new EntityList();
+        $list->append(new Zombie(0.0, 0.0, $list, $room));
+        $snapshot = $list->copy();
+        $list->append(new Zombie(1.0, 1.0, $list, $room));
+        $this->assertCount(1, $snapshot);
+        $this->assertCount(2, $list);
+    }
+}