Added unit tests

tests/Feature/ConfigTest.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Foundation\Testing\WithFaker;
+use Tests\TestCase;
+
+class ConfigTest extends TestCase
+{
+    use RefreshDatabase;
+
+    private $configStructure = [
+        'base',
+        'graphs' => [
+            'download_upload_graph_enabled' => [],
+            'download_upload_graph_width' => [],
+            'ping_graph_enabled' => [],
+            'ping_graph_width' => [],
+            'failure_graph_enabled' => [],
+            'failure_graph_width' => [],
+        ],
+        'editable' => [
+            'slack_webhook',
+            'telegram_bot_token',
+            'telegram_chat_id'
+        ],
+    ];
+
+    /**
+     * Test config returned by API
+     *
+     * @return void
+     */
+    public function testAPIConfig()
+    {
+        $response = $this->get('api/settings/config');
+
+        $response->assertJsonStructure($this->configStructure);
+    }
+}