minor #31298 [Messenger] Ensure that a TransportException is thrown on redis error (chalasr)

This PR was merged into the 4.3-dev branch.

Discussion
----------

[Messenger] Ensure that a TransportException is thrown on redis error

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | n/a
| License       | MIT
| Doc PR        | n/a

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Commits
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1857395137 [Messenger] Ensure that a TransportException is thrown on redis error

Author: sroze

Tests/Transport/RedisExt/ConnectionTest.php

@@ -12,7 +12,7 @@
 namespace Symfony\Component\Messenger\Tests\Transport\RedisExt;
 
 use PHPUnit\Framework\TestCase;
-use Symfony\Component\Messenger\Exception\LogicException;
+use Symfony\Component\Messenger\Exception\TransportException;
 use Symfony\Component\Messenger\Transport\RedisExt\Connection;
 
 /**
@@ -103,7 +103,7 @@ public function testFirstGetPendingMessagesThenNewMessages()
 
     public function testUnexpectedRedisError()
     {
-        $this->expectException(LogicException::class);
+        $this->expectException(TransportException::class);
         $this->expectExceptionMessage('Redis error happens');
         $redis = $this->getMockBuilder(\Redis::class)->disableOriginalConstructor()->getMock();
         $redis->expects($this->once())->method('xreadgroup')->willReturn(false);

Transport/RedisExt/Connection.php

@@ -12,7 +12,7 @@
 namespace Symfony\Component\Messenger\Transport\RedisExt;
 
 use Symfony\Component\Messenger\Exception\InvalidArgumentException;
-use Symfony\Component\Messenger\Exception\LogicException;
+use Symfony\Component\Messenger\Exception\TransportException;
 
 /**
  * A Redis connection.
@@ -77,17 +77,21 @@ public function get(): ?array
             $messageId = '0'; // will receive consumers pending messages
         }
 
-        $messages = $this->connection->xreadgroup(
-            $this->group,
-            $this->consumer,
-            [$this->stream => $messageId],
-            1,
-            $this->blockingTimeout
-        );
-
-        if (false === $messages) {
-            throw new LogicException(
-                $this->connection->getLastError() ?: 'Unexpected redis stream error happened.'
+        $e = null;
+        try {
+            $messages = $this->connection->xReadGroup(
+                $this->group,
+                $this->consumer,
+                [$this->stream => $messageId],
+                1,
+                $this->blockingTimeout
+            );
+        } catch (\RedisException $e) {
+        }
+
+        if (false === $messages || $e) {
+            throw new TransportException(
+                ($e ? $e->getMessage() : $this->connection->getLastError()) ?? 'Could not read messages from the redis stream.'
             );
         }
 
@@ -113,23 +117,51 @@ public function get(): ?array
 
     public function ack(string $id): void
     {
-        $this->connection->xack($this->stream, $this->group, [$id]);
+        $e = null;
+        try {
+            $acknowledged = $this->connection->xAck($this->stream, $this->group, [$id]);
+        } catch (\RedisException $e) {
+        }
+
+        if (!$acknowledged || $e) {
+            throw new TransportException(($e ? $e->getMessage() : $this->connection->getLastError()) ?? sprintf('Could not acknowledge redis message "%s".', $id), 0, $e);
+        }
     }
 
     public function reject(string $id): void
     {
-        $this->connection->xdel($this->stream, [$id]);
+        $e = null;
+        try {
+            $deleted = $this->connection->xDel($this->stream, [$id]);
+        } catch (\RedisException $e) {
+        }
+
+        if (!$deleted || $e) {
+            throw new TransportException(($e ? $e->getMessage() : $this->connection->getLastError()) ?? sprintf('Could not delete message "%s" from the redis stream.', $id), 0, $e);
+        }
     }
 
     public function add(string $body, array $headers)
     {
-        $this->connection->xadd($this->stream, '*', ['message' => json_encode(
-            ['body' => $body, 'headers' => $headers]
-        )]);
+        $e = null;
+        try {
+            $added = $this->connection->xAdd($this->stream, '*', ['message' => json_encode(
+                ['body' => $body, 'headers' => $headers]
+            )]);
+        } catch (\RedisException $e) {
+        }
+
+        if (!$added || $e) {
+            throw new TransportException(($e ? $e->getMessage() : $this->connection->getLastError()) ?? 'Could not add a message to the redis stream.', 0, $e);
+        }
     }
 
     public function setup(): void
     {
-        $this->connection->xgroup('CREATE', $this->stream, $this->group, 0, true);
+        try {
+            $this->connection->xGroup('CREATE', $this->stream, $this->group, 0, true);
+        } catch (\RedisException $e) {
+            throw new TransportException($e->getMessage(), 0, $e);
+        }
     }
 }