✨feature: Initial MVP

tests/Domain/BoardTest.php

@@ -0,0 +1,49 @@
+<?php
+// phpcs:disable PEAR.Commenting.FileComment,PEAR.Commenting.ClassComment
+
+/**
+ * Board domain tests.
+ */
+
+declare(strict_types=1);
+
+namespace Tests\Domain;
+
+use IronKanban\Domain\Board;
+use IronKanban\Domain\Column;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Covers board serialization behavior.
+ */
+final class BoardTest extends TestCase
+{
+    /**
+     * Ensure a board exposes its columns and metadata as arrays.
+     *
+     * @return void
+     */
+    public function testToArrayIncludesSerializedColumnsAndMeta(): void
+    {
+        $board = new Board(
+            'demo-project',
+            [
+                new Column('backlog', 'Backlog', 100),
+                new Column('done', 'Done', 200),
+            ],
+            ['wip_limit' => 3]
+        );
+
+        self::assertSame(
+            [
+                'project_id' => 'demo-project',
+                'columns' => [
+                    ['id' => 'backlog', 'label' => 'Backlog', 'order' => 100],
+                    ['id' => 'done', 'label' => 'Done', 'order' => 200],
+                ],
+                'meta' => ['wip_limit' => 3],
+            ],
+            $board->toArray()
+        );
+    }
+}