v1.6.1: implements TwigTemplatePluginTrait (#5)

src/Plugin/TwigTemplatePluginInterface.php

@@ -19,6 +19,4 @@ interface TwigTemplatePluginInterface
     public function getTwigTemplatePaths(): array;
 
     public function getTwigNamespace(): ?string;
-
-    public function isTwigTemplatesPrepend(): bool;
 }

src/Plugin/TwigTemplatePluginTrait.php

@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ *  This file is part of the Micro framework package.
+ *
+ *  (c) Stanislau Komar <kost@micro-php.net>
+ *
+ *  For the full copyright and license information, please view the LICENSE
+ *  file that was distributed with this source code.
+ */
+
+namespace Micro\Plugin\Twig\Plugin;
+
+trait TwigTemplatePluginTrait
+{
+    /**
+     * @return string[]
+     */
+    public function getTwigTemplatePaths(): array
+    {
+        $classCurrent = new \ReflectionObject($this);
+        $filename = $classCurrent->getFileName();
+
+        if (false === $filename) {
+            throw new \RuntimeException('Unable to determine path from where to load twig templates.');
+        }
+
+        return [
+            \dirname($filename).\DIRECTORY_SEPARATOR.'templates',
+        ];
+    }
+
+    public function getTwigNamespace(): ?string
+    {
+        $classCurrent = new \ReflectionObject($this);
+        if ($classCurrent->isAnonymous()) {
+            return null;
+        }
+
+        return $classCurrent->getShortName();
+    }
+}

tests/Unit/Plugin/TwigTemplatePluginTraitTest.php

@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ *  This file is part of the Micro framework package.
+ *
+ *  (c) Stanislau Komar <kost@micro-php.net>
+ *
+ *  For the full copyright and license information, please view the LICENSE
+ *  file that was distributed with this source code.
+ */
+
+namespace Micro\Plugin\Twig\Test\Unit\Plugin;
+
+use Micro\Plugin\Twig\Plugin\TwigTemplatePluginInterface;
+use Micro\Plugin\Twig\Plugin\TwigTemplatePluginTrait;
+use PHPUnit\Framework\TestCase;
+
+class TwigTemplatePluginTraitTest extends TestCase
+{
+    public function testRealClass()
+    {
+        $plugin = new ExampleTwigTemplatePluginTraitTest();
+
+        $ref = new \ReflectionObject($plugin);
+
+        $this->assertEquals('ExampleTwigTemplatePluginTraitTest', $plugin->getTwigNamespace());
+        $this->assertEquals([
+            \dirname($ref->getFileName()).'/templates',
+        ], $plugin->getTwigTemplatePaths());
+    }
+
+    public function testAnonClass()
+    {
+        $plugin = new class() implements TwigTemplatePluginInterface {
+            use TwigTemplatePluginTrait;
+        };
+        $ref = new \ReflectionObject($plugin);
+
+        $this->assertNull($plugin->getTwigNamespace());
+        $this->assertEquals([
+            \dirname($ref->getFileName()).'/templates',
+        ],
+            $plugin->getTwigTemplatePaths());
+    }
+}
+
+class ExampleTwigTemplatePluginTraitTest implements TwigTemplatePluginInterface
+{
+    use TwigTemplatePluginTrait;
+}