Added support for GETDEL command (#869)

Co-authored-by: Vladyslav Vildanov <vladyslavvildanov@Vladyslav-Vildanov-MacBook-Pro.local>

src/ClientContextInterface.php

@@ -48,6 +48,7 @@ use Predis\Command\CommandInterface;
  * @method $this get($key)
  * @method $this getbit($key, $offset)
  * @method $this getrange($key, $start, $end)
+ * @method $this getdel(string $key)
  * @method $this getset($key, $value)
  * @method $this incr($key)
  * @method $this incrby($key, $increment)

src/ClientInterface.php

@@ -57,6 +57,7 @@ use Predis\Response\Status;
  * @method string|null       get(string $key)
  * @method int               getbit(string $key, $offset)
  * @method string            getrange(string $key, $start, $end)
+ * @method string            getdel(string $key)
  * @method string|null       getset(string $key, $value)
  * @method int               incr(string $key)
  * @method int               incrby(string $key, int $increment)

src/Command/Redis/GETDEL.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace Predis\Command\Redis;
+
+use Predis\Command\Command as RedisCommand;
+
+class GETDEL extends RedisCommand
+{
+    public function getId()
+    {
+        return 'GETDEL';
+    }
+}

tests/Predis/Command/Redis/GETDEL_Test.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace Predis\Command\Redis;
+
+class GETDEL_Test extends PredisCommandTestCase
+{
+    /**
+     * @inheritDoc
+     */
+    protected function getExpectedCommand(): string
+    {
+        return GETDEL::class;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    protected function getExpectedId(): string
+    {
+        return 'GETDEL';
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testFilterArguments(): void
+    {
+        $arguments = ['key'];
+        $expected = ['key'];
+
+        $command = $this->getCommand();
+        $command->setArguments($arguments);
+
+        $this->assertSame($expected, $command->getArguments());
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testParseResponse(): void
+    {
+        $this->assertSame(1, $this->getCommand()->parseResponse(1));
+    }
+
+    /**
+     * @group connected
+     * @return void
+     * @requiresRedisVersion >= 6.2.0
+     */
+    public function testReturnsValueForGivenKeyAndDeleteIt(): void
+    {
+        $redis = $this->getClient();
+        $expectedKey = 'key';
+        $expectedValue = 'value';
+
+        $redis->set($expectedKey, $expectedValue);
+
+        $actualResponse = $redis->getdel($expectedKey);
+
+        $this->assertSame($expectedValue, $actualResponse);
+        $this->assertNull($redis->get($expectedKey));
+    }
+}