Added 5.2 version. (#116)

Author: stefanak-michal

README.md

@@ -16,7 +16,7 @@ all available versions and keep up with protocol messages architecture and speci
 
 ## Version support
 
-We are trying to keep up and this library supports **Neo4j <= 5.6** with **Bolt <= 5.1**.
+We are trying to keep up and this library supports **Neo4j <= 5.7** with **Bolt <= 5.2**.
 
 https://www.neo4j.com/docs/bolt/current/bolt-compatibility/
 
@@ -59,8 +59,7 @@ Concept of usage is based on Bolt messages. Available protocol methods depends o
 in [pipeline](https://www.neo4j.com/docs/bolt/current/bolt/message/#pipelining) and you can chain multiple Bolt messages
 before fetching response from the server.
 
-Main `Bolt` class serves as Factory design pattern and it returns instance of protocol class by requested Bolt version (
-default is 4 latest versions). Query execution and fetching response is split in two methods. First message `run` is for
+Main `Bolt` class serves as Factory design pattern and it returns instance of protocol class by requested Bolt version. Query execution and fetching response is split in two methods. First message `run` is for
 sending queries. Second message `pull` is for fetching response from last executed query on database.
 Response from database for Bolt message `pull` always contains n+1 rows because last entry is `success` message with
 meta informations.

src/protocol/V5_2.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Bolt\protocol;
+
+/**
+ * Class Protocol version 5.2
+ *
+ * @author Michal Stefanak
+ * @link https://github.com/neo4j-php/Bolt
+ * @see https://www.neo4j.com/docs/bolt/current/bolt/message/
+ * @package Bolt\protocol
+ */
+class V5_2 extends AProtocol
+{
+    use \Bolt\protocol\v5\AvailableStructures;
+
+    use \Bolt\protocol\v1\ResetMessage;
+
+    use \Bolt\protocol\v3\RunMessage;
+    use \Bolt\protocol\v3\BeginMessage;
+    use \Bolt\protocol\v3\CommitMessage;
+    use \Bolt\protocol\v3\RollbackMessage;
+    use \Bolt\protocol\v3\GoodbyeMessage;
+
+    use \Bolt\protocol\v4\PullMessage;
+    use \Bolt\protocol\v4\DiscardMessage;
+
+    use \Bolt\protocol\v4_4\RouteMessage;
+
+    use \Bolt\protocol\v5_1\HelloMessage;
+    use \Bolt\protocol\v5_1\LogonMessage;
+    use \Bolt\protocol\v5_1\LogoffMessage;
+}

tests/protocol/V5_1Test.php

@@ -7,7 +7,7 @@
 use Bolt\protocol\V5_1;
 
 /**
- * Class V5Test
+ * Class V5_1Test
  *
  * @author Michal Stefanak
  * @link https://github.com/neo4j-php/Bolt

tests/protocol/V5_2Test.php

@@ -0,0 +1,23 @@
+<?php
+
+use Bolt\protocol\V5_2;
+
+/**
+ * Class V5_2Test
+ *
+ * @author Michal Stefanak
+ * @link https://github.com/neo4j-php/Bolt
+ * @package Bolt\tests\protocol
+ */
+class V5_2Test extends \Bolt\tests\protocol\ATest
+{
+    public function test__construct(): V5_2
+    {
+        $cls = new V5_2(1, $this->mockConnection(), new \Bolt\protocol\ServerState());
+        $this->assertInstanceOf(V5_2::class, $cls);
+        $cls->serverState->expectedServerStateMismatchCallback = function (string $current, array $expected) {
+            $this->markTestIncomplete('Server in ' . $current . ' state. Expected ' . implode(' or ', $expected) . '.');
+        };
+        return $cls;
+    }
+}