Updated Project Source code (I don't remember what i did.)

tests/Socialbox/Classes/ConfigurationTest.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Socialbox\Classes;
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Socialbox's Configuration Test Class
+ *
+ * This is a test suite for testing the "getConfiguration" method in the "Configuration" class.
+ */
+class ConfigurationTest extends TestCase
+{
+    /**
+     * Test the "getConfiguration" method in "Configuration" class.
+     */
+    public function testGetConfiguration(): void
+    {
+        $config = Configuration::getConfiguration();
+        $this->assertIsArray($config, "Configuration should be an array.");
+
+        //Assert that all the default configuration exists
+        $this->assertArrayHasKey('database.host', $config);
+        $this->assertEquals($config['database.host'], '127.0.0.1');
+
+        $this->assertArrayHasKey('database.port', $config);
+        $this->assertEquals($config['database.port'], 3306);
+
+        $this->assertArrayHasKey('database.username', $config);
+        $this->assertEquals($config['database.username'], 'root');
+
+        $this->assertArrayHasKey('database.password', $config);
+        $this->assertNull($config['database.password'], 'null should be the value of database.password.');
+
+        $this->assertArrayHasKey('database.name', $config);
+        $this->assertEquals($config['database.name'], 'test');
+    }
+}