Refactored TwigExtensions Part 1

tests/Twig/TwigCoreExtensionTest.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Tests\Twig;
+
+use App\Twig\TwigCoreExtension;
+use PHPUnit\Framework\TestCase;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+
+class TwigCoreExtensionTest extends WebTestCase
+{
+    /** @var TwigCoreExtension */
+    protected $service;
+
+    protected function setUp(): void
+    {
+        parent::setUp(); // TODO: Change the autogenerated stub
+
+        //Get an service instance.
+        self::bootKernel();
+        $this->service = self::getContainer()->get(TwigCoreExtension::class);
+    }
+
+    public function testToArray(): void
+    {
+        //Check for simple arrays
+        $this->assertSame([], $this->service->toArray([]));
+        $this->assertSame([1, 2, 3], $this->service->toArray([1, 2, 3]));
+
+        //Check for simple objects
+        $this->assertSame([], $this->service->toArray(new \stdClass()));
+        $this->assertSame(['test' => 1], $this->service->toArray((object)['test' => 1]));
+
+        //Only test and test4 should be available
+        $obj = new class {
+            public $test = 1;
+            protected $test2 = 3;
+            private $test3 = 5;
+            private $test4 = 7;
+
+            public function getTest4()
+            {
+                return $this->test4;
+            }
+        };
+
+        $this->assertEqualsCanonicalizing(['test' => 1, 'test4' => 7], $this->service->toArray($obj));
+    }
+
+    public function testToArrayException(): void
+    {
+        //When passing a simple scalar value a exception should be thrown.
+        $this->expectException(\InvalidArgumentException::class);
+
+        $this->service->toArray(1);
+    }
+}