More test coverage.

src/Notification/Notification.php

@@ -9,7 +9,7 @@ class Notification
     /**
      * @var NotificationInterface[] $notifiers
      */
-    public array $notifiers = array();
+    private array $notifiers = array();
 
     /**
      * Load multiple configurations
@@ -36,16 +36,31 @@ class Notification
             case 'ntfy':
             case 'Ntfy':
             case 'NTFY':
-                $this->notifiers[] = Ntfy::factory($config);
+                $this->addNotifier(Ntfy::factory($config));
                 break;
             default:
                 break;
         }
     }
 
+    public function addNotifier(NotificationInterface $instance): void
+    {
+        $this->notifiers[] = $instance;
+    }
+
+    /**
+     * Get all active notifiers.
+     *
+     * @return NotificationInterface[] All notifiers.
+     */
+    public function getNotifiers(): array
+    {
+        return $this->notifiers;
+    }
+
     public function send(string $title, string $message): void
     {
-        foreach ($this->notifiers as $notifier) {
+        foreach ($this->getNotifiers() as $notifier) {
             $notifier->send($title, $message);
         }
     }

tests/Notification/NotificationTest.php

@@ -0,0 +1,50 @@
+<?php declare(strict_types=1);
+
+use PHPUnit\Framework\TestCase;
+use App\Notification\Notification;
+use App\Notification\NotificationInterface;
+use PHPUnit\Framework\Attributes\DataProvider;
+
+final class NotificationTest extends TestCase
+{
+    static $config = ['type'=>'ntfy', 'domain'=>'https://test.com', 'topic'=>'testing'];
+
+    public function testloadSingle(): void
+    {
+        $dut = new Notification();
+        $dut->loadSingle('ntfy', self::$config);
+        $this->assertEquals(1, count($dut->getNotifiers()));
+
+        $dut->loadSingle('Ntfy', self::$config);
+        $this->assertEquals(2, count($dut->getNotifiers()));
+
+        $dut->loadSingle('NTFY', self::$config);
+        $this->assertEquals(3, count($dut->getNotifiers()));
+
+        $dut->loadSingle('invalid', self::$config);
+        $this->assertEquals(3, count($dut->getNotifiers()));
+    }
+
+    public function testloadMany(): void
+    {
+        $dut = new Notification();
+
+        $arr = [];
+        $arr[] = self::$config;
+        $arr[] = self::$config;
+        $arr[] = self::$config;
+        $arr[] = self::$config;
+        $dut->loadMany($arr);
+
+        $this->assertEquals(4, count($dut->getNotifiers()));
+    }
+
+    public function testSend(): void
+    {
+        $dut = new Notification();
+        $mock = $this->createMock(NotificationInterface::class);
+        $dut->addNotifier($mock);
+        $mock->expects($this->once())->method('send');
+        $dut->send('title', 'topic');
+    }
+}