feat: make sender parameter required for faraz sms

config/sms.php

@@ -14,6 +14,6 @@
     'faraz_sms' => [
         'driver_class' => \Omalizadeh\Sms\Drivers\FarazSms\FarazSms::class,
         'api_key' => '',
-        'default_sender' => env('FARAZ_DEFAULT_SENDER', '+983000505')
+        'default_sender' => env('FARAZ_DEFAULT_SENDER')
     ],
 ];

src/Drivers/FarazSms/FarazSms.php

@@ -97,8 +97,14 @@ public function getBulkSmsUrl(): string
 
     protected function mergeSmsOptions(array $data, array $options): array
     {
+        $sender =  $options['sender'] ?? $this->getConfig('default_sender');
+
+        if (is_null($sender)) {
+            throw new InvalidParameterException('sender parameter is required for Faraz sms driver.');
+        }
+
         return array_merge($data, [
-            'sender' => $options['sender'] ?? $this->getConfig('default_sender'),
+            'sender' => $sender,
             'time' => $options['time'] ?? now()->addSecond(),
         ]);
     }
@@ -117,7 +123,7 @@ protected function mergeTemplateOptions(array $data, array $options): array
     protected function callApi(string $url, array $data)
     {
         if (empty($apiKey = $this->getConfig('api_key'))) {
-            throw new InvalidConfigurationException('invalid api_key sms provider config');
+            throw new InvalidConfigurationException('invalid api_key faraz sms provider config');
         }
 
         $response = Http::asJson()->acceptJson()->withHeaders([

tests/FarazSmsTest.php

@@ -74,4 +74,12 @@ public function test_invalid_response_structure_exception()
 
         $this->farazSms->send('09123456789', 'Test message', ['sender' => '1000']);
     }
+
+    public function test_missing_sender_option_leads_to_exception()
+    {
+        $this->expectException(\Omalizadeh\Sms\Exceptions\InvalidParameterException::class);
+        $this->expectExceptionMessage('sender parameter is required for Faraz sms driver.');
+
+        $this->farazSms->send('09123456789', 'Test message');
+    }
 }