Implemented tests for each type

Added tests for each supported serviceHandler type

EndpointHandler | Callable | String

tests/Functional/ServiceTest.php

@@ -0,0 +1,88 @@
+<?php
+
+namespace Tests\Functional;
+
+use Basis\Nats\Client;
+use Basis\Nats\Message\Payload;
+use Basis\Nats\Service\Service;
+use Tests\FunctionalTestCase;
+use Tests\Utils\TestEndpoint;
+
+class ServiceTest extends FunctionalTestCase
+{
+    private bool $tested = false;
+
+    private function createTestService(): Service
+    {
+        /** @var Client $client */
+        $client = $this->createClient([
+            'host' => 'hermes.internal'
+        ]);
+
+        /** @var Service $service */
+        $service = $client->service(
+            name: 'TestService',
+            description: 'Service description',
+            version: '1.0'
+        );
+
+        return $service;
+    }
+    public function testServiceRequestReplyString()
+    {
+        $service = $this->createTestService();
+
+        $service
+            ->addGroup('v1')
+            ->addEndpoint(
+                'test',
+                TestEndpoint::class
+            );
+
+        $service->client->publish('v1.test', '');
+
+        $response = $service->client->process(1);
+
+        $this->assertTrue($response['success']);
+    }
+
+    public function testServiceRequestReplyCallable()
+    {
+        $service = $this->createTestService();
+
+        $service
+            ->addGroup('v1')
+            ->addEndpoint(
+                'test',
+                function (Payload $payload) {
+                    return [
+                        'success' => true
+                    ];
+                }
+            );
+
+        $service->client->publish('v1.test', '');
+
+        $response = $service->client->process(1);
+
+        $this->assertTrue($response['success']);
+    }
+
+    public function testServiceRequestReplyClass()
+    {
+        $service = $this->createTestService();
+
+        $service
+            ->addGroup('v1')
+            ->addEndpoint(
+                'test',
+                new TestEndpoint()
+            );
+
+        $service->client->publish('v1.test', '');
+
+        $response = $service->client->process(1);
+
+        $this->assertTrue($response['success']);
+    }
+}

tests/Utils/TestEndpoint.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace Tests\Utils;
+
+use Basis\Nats\Message\Payload;
+use Basis\Nats\Service\EndpointHandler;
+
+class TestEndpoint implements EndpointHandler
+{
+
+    public function handle(Payload $payload): array
+    {
+        return [
+            'success' => true
+        ];
+    }
+}