Fix compatibility with external dependencies

Author: moux2003

.travis.yml

@@ -38,7 +38,7 @@ matrix:
 before_install:
     - if [[ $COVERAGE != true ]]; then phpenv config-rm xdebug.ini || true; fi
     - if ! [ -z "$STABILITY" ]; then composer config minimum-stability ${STABILITY}; fi;
-    - composer require --no-update symfony/phpunit-bridge:* ${DEPENDENCIES}
+    - composer require --no-update symfony/phpunit-bridge:~4.0 ${DEPENDENCIES}
 
 install:
     # To be removed when this issue will be resolved: https://github.com/composer/composer/issues/5355

composer.json

@@ -17,7 +17,9 @@
     "require": {
         "php": ">=5.6",
         "sendgrid/sendgrid": "^7.0",
-        "symfony/swiftmailer-bundle": "~3.2"
+        "symfony/swiftmailer-bundle": "~3.2",
+        "symfony/framework-bundle": "~2.7|~3.3|~4.0",
+        "symfony/yaml": "~2.7|~3.3|~4.0"
     },
     "require-dev": {
         "nyholm/symfony-bundle-test": "^1.3"
@@ -37,4 +39,4 @@
             "ExpertCoder\\Swiftmailer\\SendGridBundle\\Tests\\": "tests/"
         }
     }
-}
+}

src/Services/SendGridTransport.php

@@ -6,7 +6,7 @@
 use SendGrid;
 use Swift_Events_EventListener;
 use Swift_Mime_Attachment;
-use Swift_Mime_Message;
+use Swift_Mime_SimpleMessage;
 use Swift_Transport;
 use Psr\Log\LoggerInterface;
 
@@ -81,12 +81,12 @@ public function setLogger(LoggerInterface $logger)
     /**
      * WARNING : $failedRecipients and return value are faked.
      *
-     * @param Swift_Mime_Message $message
-     * @param array              $failedRecipients
+     * @param Swift_Mime_SimpleMessage $message
+     * @param array                    $failedRecipients
      *
      * @return int
      */
-    public function send(Swift_Mime_Message $message, &$failedRecipients = null)
+    public function send(Swift_Mime_SimpleMessage $message, &$failedRecipients = null)
     {
         // prepare fake data.
         $sent = 0;
@@ -184,6 +184,11 @@ public function send(Swift_Mime_Message $message, &$failedRecipients = null)
         return $sent;
     }
 
+    public function ping()
+    {
+        return true;
+    }
+
     public function registerPlugin(Swift_Events_EventListener $plugin)
     {
         // unused

tests/manual-test.sh

@@ -8,7 +8,7 @@ if [ $# -eq 0 ] # check if argument exists
 	exit 0;
 fi
 
-composer require --dev --no-update symfony/phpunit-bridge:* dunglas/symfony-lock:^$1
+composer require --dev --no-update symfony/phpunit-bridge:~4.0 dunglas/symfony-lock:^$1
 composer update --prefer-dist --no-interaction --prefer-stable --quiet
 composer update --prefer-stable --prefer-lowest --prefer-dist --no-interaction
 ./vendor/bin/simple-phpunit install