Decouple from parsing and move to functionals

Author: oliverklee

tests/Functional/RuleSet/DeclarationBlockTest.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Sabberworm\CSS\Tests\Functional\RuleSet;
+
+use PHPUnit\Framework\TestCase;
+use Sabberworm\CSS\OutputFormat;
+use Sabberworm\CSS\Property\Selector;
+use Sabberworm\CSS\Rule\Rule;
+use Sabberworm\CSS\RuleSet\DeclarationBlock;
+
+/**
+ * @covers \Sabberworm\CSS\RuleSet\DeclarationBlock
+ */
+final class DeclarationBlockTest extends TestCase
+{
+    /**
+     * @test
+     */
+    public function rendersRulesInOrderProvided(): void
+    {
+        $declarationBlock = new DeclarationBlock();
+        $declarationBlock->setSelectors([new Selector('.test')]);
+
+        $rule1 = new Rule('background-color');
+        $rule1->setValue('transparent');
+        $declarationBlock->addRule($rule1);
+
+        $rule2 = new Rule('background');
+        $rule2->setValue('#222');
+        $declarationBlock->addRule($rule2);
+
+        $rule3 = new Rule('background-color');
+        $rule3->setValue('#fff');
+        $declarationBlock->addRule($rule3);
+
+        $expectedRendering = 'background-color: transparent;background: #222';
+        self::assertStringContainsString($expectedRendering, $declarationBlock->render(new OutputFormat()));
+    }
+}