Collection tests

tests/Unit/AttributeCollectionTest.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Galahad\Aire\Tests\Unit;
+
+use Galahad\Aire\Elements\Attributes\ClassNames;
+use Galahad\Aire\Elements\Attributes\Collection;
+use Galahad\Aire\Elements\Input;
+use Galahad\Aire\Tests\TestCase;
+
+class AttributeCollectionTest extends TestCase
+{
+	public function test_it_defers_to_primary_attributes_by_default() : void
+	{
+		$collection = new Collection($this->aire(), new Input($this->aire()));
+
+		$collection->primary()->set('foo', 'bar');
+
+		$this->assertEquals('bar', $collection->get('foo'));
+	}
+
+	public function test_it_instantiates_attributes_lazily() : void
+	{
+		$collection = new Collection($this->aire(), new Input($this->aire()));
+
+		$collection->foo->set('bar', 'baz');
+
+		$this->assertEquals('baz', $collection->foo->get('bar'));
+		$this->assertInstanceOf(ClassNames::class, $collection->foo->get('class'));
+	}
+}