Move commands classes in Predis\Command\Redis.

tests/Predis/Command/Redis/HashStringLengthTest.php

@@ -0,0 +1,96 @@
+<?php
+
+/*
+ * This file is part of the Predis package.
+ *
+ * (c) Daniele Alessandri <suppakilla@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Predis\Command\Redis;
+
+/**
+ * @group commands
+ * @group realm-hash
+ */
+class HashStringLengthTest extends PredisCommandTestCase
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExpectedCommand()
+    {
+        return 'Predis\Command\Redis\HashStringLength';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExpectedId()
+    {
+        return 'HSTRLEN';
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testFilterArguments()
+    {
+        $arguments = array('key', 'field');
+        $expected = array('key', 'field');
+
+        $command = $this->getCommand();
+        $command->setArguments($arguments);
+
+        $this->assertSame($expected, $command->getArguments());
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testParseResponse()
+    {
+        $command = $this->getCommand();
+
+        $this->assertSame(0, $command->parseResponse(0));
+        $this->assertSame(1, $command->parseResponse(1));
+        $this->assertSame(10, $command->parseResponse(10));
+    }
+
+    /**
+     * @group connected
+     * @requiresRedisVersion >= 3.2.0
+     */
+    public function testReturnsStringLengthOfSpecifiedField()
+    {
+        $redis = $this->getClient();
+
+        $redis->hmset('metavars', 'foo', 'bar', 'hoge', 'piyo');
+
+        // Existing key and field
+        $this->assertSame(3, $redis->hstrlen('metavars', 'foo'));
+        $this->assertSame(4, $redis->hstrlen('metavars', 'hoge'));
+
+        // Existing key but non existing field
+        $this->assertSame(0, $redis->hstrlen('metavars', 'foofoo'));
+
+        // Non existing key
+        $this->assertSame(0, $redis->hstrlen('unknown', 'foo'));
+    }
+
+    /**
+     * @group connected
+     * @requiresRedisVersion >= 3.2.0
+     * @expectedException \Predis\Response\ServerException
+     * @expectedExceptionMessage Operation against a key holding the wrong kind of value
+     */
+    public function testThrowsExceptionOnWrongType()
+    {
+        $redis = $this->getClient();
+
+        $redis->set('metavars', 'foo');
+        $redis->hstrlen('metavars', 'foo');
+    }
+}