diff --git a/src/ClientProviders/ConfigClientProvider.php b/src/ClientProviders/ConfigClientProvider.php
index b69c052..bc7b893 100644
--- a/src/ClientProviders/ConfigClientProvider.php
+++ b/src/ClientProviders/ConfigClientProvider.php
@@ -14,7 +14,7 @@ class ConfigClientProvider implements ClientProvider
         $this->clients = collect(config('websockets.clients'));
     }
 
-    /**  @return array[BeyondCode\LaravelWebSockets\ClientProviders\Client] */
+    /**  @return array[\BeyondCode\LaravelWebSockets\ClientProviders\Client] */
     public function all(): array
     {
         return $this->clients
diff --git a/src/WebSockets/Channels/Channel.php b/src/WebSockets/Channels/Channel.php
index 6510c8d..c1c4551 100644
--- a/src/WebSockets/Channels/Channel.php
+++ b/src/WebSockets/Channels/Channel.php
@@ -28,6 +28,11 @@ class Channel
         return count($this->subscriptions) > 0;
     }
 
+    public function getSubscriptions(): array
+    {
+        return $this->subscriptions;
+    }
+
     protected function verifySignature(ConnectionInterface $connection, stdClass $payload)
     {
         $signature = "{$connection->socketId}:{$this->channelId}";
diff --git a/src/WebSockets/Channels/ChannelManager.php b/src/WebSockets/Channels/ChannelManager.php
index f52a1bb..7bcf4d5 100644
--- a/src/WebSockets/Channels/ChannelManager.php
+++ b/src/WebSockets/Channels/ChannelManager.php
@@ -37,6 +37,7 @@ class ChannelManager
         if (starts_with($channelId, 'presence-')) {
             return PresenceChannel::class;
         }
+
         return Channel::class;
     }
 
diff --git a/tests/Channels/ChannelTest.php b/tests/Channels/ChannelTest.php
index e56e60e..3fca8b8 100644
--- a/tests/Channels/ChannelTest.php
+++ b/tests/Channels/ChannelTest.php
@@ -93,4 +93,18 @@ class ChannelTest extends TestCase
         $connection1->assertNotSentEvent('broadcasted-event');
         $connection2->assertSentEvent('broadcasted-event');
     }
+
+    /** @test */
+    public function it_responds_correctly_to_the_ping_message()
+    {
+        $connection = $this->getWebSocketConnection();
+
+        $message = new Message(json_encode([
+            'event' => 'pusher:ping',
+        ]));
+
+        $this->pusherServer->onMessage($connection, $message);
+
+        $connection->assertSentEvent('pusher:pong');
+    }
 }
\ No newline at end of file
diff --git a/tests/Channels/PrivateChannelTest.php b/tests/Channels/PrivateChannelTest.php
index 57ff7f6..0937aeb 100644
--- a/tests/Channels/PrivateChannelTest.php
+++ b/tests/Channels/PrivateChannelTest.php
@@ -37,10 +37,12 @@ class PrivateChannelTest extends TestCase
 
         $signature = "{$connection->socketId}:private-channel";
 
+        $hashedAppSecret = hash_hmac('sha256', $signature, $connection->client->appSecret);
+
         $message = new Message(json_encode([
             'event' => 'pusher:subscribe',
             'data' => [
-                'auth' => $connection->client->appKey.':'.hash_hmac('sha256', $signature, $connection->client->appSecret),
+                'auth' => "{$connection->client->appKey}:{$hashedAppSecret}",
                 'channel' => 'private-channel'
             ],
         ]));
diff --git a/tests/ClientProviders/ClientTest.php b/tests/ClientProviders/ClientTest.php
new file mode 100644
index 0000000..10c1c7a
--- /dev/null
+++ b/tests/ClientProviders/ClientTest.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace BeyondCode\LaravelWebSockets\Tests\ClientProviders;
+
+use BeyondCode\LaravelWebSockets\ClientProviders\Client;
+use BeyondCode\LaravelWebSockets\Exceptions\InvalidClient;
+use BeyondCode\LaravelWebSockets\Tests\TestCase;
+
+class ClientTest extends TestCase
+{
+    /** @test */
+    public function it_can_create_a_client()
+    {
+        new Client(1, 'appKey', 'appSecret', 'new');
+
+        $this->markTestAsPassed();
+    }
+
+    /** @test */
+    public function it_will_not_accept_an_empty_appKey()
+    {
+        $this->expectException(InvalidClient::class);
+
+        new Client(1, '', 'appSecret', 'new');
+    }
+
+    /** @test */
+    public function it_will_not_accept_an_empty_appSecret()
+    {
+        $this->expectException(InvalidClient::class);
+
+        new Client(1, 'appKey', '', 'new');
+    }
+
+    /** @test */
+    public function it_will_not_accept_an_non_numeric_appId()
+    {
+        $this->expectException(InvalidClient::class);
+
+        new Client('appId', 'appKey', '', 'new');
+    }
+}
\ No newline at end of file
diff --git a/tests/ClientProviders/ConfigClientProviderTest.php b/tests/ClientProviders/ConfigClientProviderTest.php
new file mode 100644
index 0000000..b06e553
--- /dev/null
+++ b/tests/ClientProviders/ConfigClientProviderTest.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace BeyondCode\LaravelWebSockets\Tests\ClientProviders;
+
+use BeyondCode\LaravelWebSockets\ClientProviders\ConfigClientProvider;
+use BeyondCode\LaravelWebSockets\Tests\TestCase;
+
+class ConfigClientProviderTest extends TestCase
+{
+    /** @var \BeyondCode\LaravelWebSockets\ClientProviders\ConfigClientProvider */
+    protected $configClientProvider;
+
+    public function setUp()
+    {
+        parent::setUp();
+
+        $this->configClientProvider = new ConfigClientProvider();
+    }
+
+    /** @test */
+    public function it_can_get_client_from_the_config_file()
+    {
+        $clients = $this->configClientProvider->all();
+
+        $this->assertCount(1, $clients);
+
+        /** @var  $client */
+        $client = $clients[0];
+
+        $this->assertEquals('Test Client', $client->name);
+        $this->assertEquals(1234, $client->appId);
+        $this->assertEquals('TestKey', $client->appKey);
+        $this->assertEquals('TestSecret', $client->appSecret);
+
+
+    }
+}
\ No newline at end of file
diff --git a/tests/Mocks/Connection.php b/tests/Mocks/Connection.php
index 8e573de..5717183 100644
--- a/tests/Mocks/Connection.php
+++ b/tests/Mocks/Connection.php
@@ -15,12 +15,12 @@ class Connection implements ConnectionInterface
 
     public $closed = false;
 
-    function send($data)
+    public function send($data)
     {
         $this->sentData[] = json_decode($data, true);
     }
 
-    function close()
+    public function close()
     {
         $this->closed = true;
     }
diff --git a/tests/TestCase.php b/tests/TestCase.php
index bf4a739..1f802ed 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -16,7 +16,7 @@ abstract class TestCase extends \Orchestra\Testbench\TestCase
     /** @var \BeyondCode\LaravelWebSockets\WebSockets\WebSocketHandler */
     protected $pusherServer;
 
-    /** @var ChannelManager */
+    /** @var \BeyondCode\LaravelWebSockets\WebSockets\Channels\ChannelManager */
     protected $channelManager;
 
     public function setUp()
@@ -24,6 +24,7 @@ abstract class TestCase extends \Orchestra\Testbench\TestCase
         parent::setUp();
 
         $this->pusherServer = app(WebSocketHandler::class);
+
         $this->channelManager = app(ChannelManager::class);
     }
 
@@ -79,4 +80,9 @@ abstract class TestCase extends \Orchestra\Testbench\TestCase
     {
         return $this->channelManager->findOrCreate($connection->client->appId, $channelId);
     }
+
+    protected function markTestAsPassed()
+    {
+        $this->assertTrue(true);
+    }
 }
\ No newline at end of file