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tests/backend/Unit/ConfigTest.php

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+<?php
+
+/*
+ * This file is part of the FileGator package.
+ *
+ * (c) Milos Stojanovic <alcalbg@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE file
+ */
+
+namespace Tests\Unit;
+
+use Filegator\Config\Config;
+use Tests\TestCase;
+
+/**
+ * @internal
+ */
+class ConfigTest extends TestCase
+{
+    public function testGettingAnItemFromConfigUsingDotNotation()
+    {
+        $sample = [
+            'test' => 'something',
+            'test2' => [
+                'deep' => 123,
+            ],
+            'test3' => [
+                'sub' => [
+                    'subsub' => 2,
+                ],
+            ],
+        ];
+
+        $config = new Config($sample);
+
+        $this->assertEquals($config->get(), $sample);
+        $this->assertEquals($config->get('test'), 'something');
+        $this->assertEquals($config->get('test2.deep'), 123);
+        $this->assertEquals($config->get('test3.sub.subsub'), 2);
+        $this->assertEquals($config->get('not-found'), null);
+        $this->assertEquals($config->get('not-found', 'default'), 'default');
+        $this->assertEquals($config->get('not.found', 'default'), 'default');
+    }
+}