Add a trait alternative

Author: kylekatarnls

README.md

@@ -54,6 +54,18 @@ The `Phug\Tester\TestCase` is needed to use Pug utils such as
 `renderFile` or if you need to get both PHP and Pug coverage in
 a single command.
 
+As an alternative if you extend an other class, you can use
+the trait:
+
+```php
+<?php
+
+class MyTemplatesTest extends MyFramerowk\TestCase
+{
+    use Phug\Tester\TestCaseTrait;
+}
+```
+
 Options
 -------
 

src/Phug/Tester/TestCase.php

@@ -2,74 +2,7 @@
 
 namespace Phug\Tester;
 
-use Phug\Renderer;
-
 abstract class TestCase extends \PHPUnit\Framework\TestCase
 {
-    /**
-     * @var Renderer
-     */
-    protected $renderer;
-
-    /**
-     * @param string     $file
-     * @param array      $locals
-     * @param array|null $options
-     *
-     * @throws \Phug\RendererException
-     *
-     * @return string
-     */
-    protected function renderFile($file, $locals = [], $options = null)
-    {
-        if ($options) {
-            $this->renderer->setOptions($options);
-            $this->renderer->initCompiler();
-            $this->renderer->initAdapter();
-        }
-
-        return $this->renderer->renderFile($file, $locals);
-    }
-
-    /**
-     * @return array
-     */
-    protected function getPaths()
-    {
-        return ['views'];
-    }
-
-    /**
-     * @return array
-     */
-    protected function getExtensions()
-    {
-        return ['', '.pug', '.jade'];
-    }
-
-    /**
-     * @return Renderer|string
-     */
-    protected function getRenderer()
-    {
-        return Renderer::class;
-    }
-
-    /**
-     * @throws \Phug\RendererException
-     */
-    protected function setUp()
-    {
-        $this->renderer = Coverage::get()->createRenderer(
-            $this->getRenderer(),
-            $this->getExtensions(),
-            $this->getPaths()
-        );
-    }
-
-    protected function tearDown()
-    {
-        parent::tearDown();
-        Coverage::get()->storeCoverage(xdebug_get_code_coverage());
-    }
+    use TestCaseTrait;
 }

src/Phug/Tester/TestCaseTrait.php

@@ -0,0 +1,75 @@
+<?php
+
+namespace Phug\Tester;
+
+use Phug\Renderer;
+
+trait TestCaseTrait
+{
+    /**
+     * @var Renderer
+     */
+    protected $renderer;
+
+    /**
+     * @param string     $file
+     * @param array      $locals
+     * @param array|null $options
+     *
+     * @throws \Phug\RendererException
+     *
+     * @return string
+     */
+    protected function renderFile($file, $locals = [], $options = null)
+    {
+        if ($options) {
+            $this->renderer->setOptions($options);
+            $this->renderer->initCompiler();
+            $this->renderer->initAdapter();
+        }
+
+        return $this->renderer->renderFile($file, $locals);
+    }
+
+    /**
+     * @return array
+     */
+    protected function getPaths()
+    {
+        return ['views'];
+    }
+
+    /**
+     * @return array
+     */
+    protected function getExtensions()
+    {
+        return ['', '.pug', '.jade'];
+    }
+
+    /**
+     * @return Renderer|string
+     */
+    protected function getRenderer()
+    {
+        return Renderer::class;
+    }
+
+    /**
+     * @throws \Phug\RendererException
+     */
+    protected function setUp()
+    {
+        $this->renderer = Coverage::get()->createRenderer(
+            $this->getRenderer(),
+            $this->getExtensions(),
+            $this->getPaths()
+        );
+    }
+
+    protected function tearDown()
+    {
+        parent::tearDown();
+        Coverage::get()->storeCoverage(xdebug_get_code_coverage());
+    }
+}

tests/Phug/Tester/TestCaseTest.php

@@ -5,7 +5,7 @@
 use Phug\Tester\Coverage;
 
 /**
- * @coversDefaultClass \Phug\Tester\TestCase
+ * @coversDefaultClass \Phug\Tester\TestCaseTrait
  */
 class TestCaseTest extends AbstractTesterCaseTest
 {