Merge branch '5.1' into 5.2

* 5.1:
  Use ::class keyword when possible

Author: fabpot

Tests/Transport/AmqpReceiverTest.php

@@ -47,7 +47,7 @@ public function testItReturnsTheDecodedMessageToTheHandler()
 
     public function testItThrowsATransportExceptionIfItCannotAcknowledgeMessage()
     {
-        $this->expectException('Symfony\Component\Messenger\Exception\TransportException');
+        $this->expectException(\Symfony\Component\Messenger\Exception\TransportException::class);
         $serializer = $this->createMock(SerializerInterface::class);
         $amqpEnvelope = $this->createAMQPEnvelope();
         $connection = $this->getMockBuilder(Connection::class)->disableOriginalConstructor()->getMock();
@@ -61,7 +61,7 @@ public function testItThrowsATransportExceptionIfItCannotAcknowledgeMessage()
 
     public function testItThrowsATransportExceptionIfItCannotRejectMessage()
     {
-        $this->expectException('Symfony\Component\Messenger\Exception\TransportException');
+        $this->expectException(\Symfony\Component\Messenger\Exception\TransportException::class);
         $serializer = $this->createMock(SerializerInterface::class);
         $amqpEnvelope = $this->createAMQPEnvelope();
         $connection = $this->getMockBuilder(Connection::class)->disableOriginalConstructor()->getMock();

Tests/Transport/AmqpSenderTest.php

@@ -104,7 +104,7 @@ public function testContentTypeHeaderDoesNotOverwriteAttribute()
 
     public function testItThrowsATransportExceptionIfItCannotSendTheMessage()
     {
-        $this->expectException('Symfony\Component\Messenger\Exception\TransportException');
+        $this->expectException(\Symfony\Component\Messenger\Exception\TransportException::class);
         $envelope = new Envelope(new DummyMessage('Oy'));
         $encoded = ['body' => '...', 'headers' => ['type' => DummyMessage::class]];
 

Tests/Transport/ConnectionTest.php

@@ -32,7 +32,7 @@ class ConnectionTest extends TestCase
 
     public function testItCannotBeConstructedWithAWrongDsn()
     {
-        $this->expectException('InvalidArgumentException');
+        $this->expectException(\InvalidArgumentException::class);
         $this->expectExceptionMessage('The given AMQP DSN "amqp://:" is invalid.');
         Connection::fromDsn('amqp://:');
     }
@@ -546,7 +546,7 @@ public function testItDelaysTheMessageWithADifferentRoutingKeyAndTTLs()
 
     public function testObfuscatePasswordInDsn()
     {
-        $this->expectException('AMQPException');
+        $this->expectException(\AMQPException::class);
         $this->expectExceptionMessage('Could not connect to the AMQP server. Please verify the provided DSN. ({"host":"localhost","port":5672,"vhost":"/","login":"user","password":"********"})');
         $factory = new TestAmqpFactory(
             $amqpConnection = $this->createMock(\AMQPConnection::class),