Move commands classes in Predis\Command\Redis.

tests/Predis/Command/Redis/StringStrlenTest.php

@@ -0,0 +1,94 @@
+<?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-string
+ */
+class StringStrlenTest extends PredisCommandTestCase
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExpectedCommand()
+    {
+        return 'Predis\Command\Redis\StringStrlen';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExpectedId()
+    {
+        return 'STRLEN';
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testFilterArguments()
+    {
+        $arguments = array('key');
+        $expected = array('key');
+
+        $command = $this->getCommand();
+        $command->setArguments($arguments);
+
+        $this->assertSame($expected, $command->getArguments());
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testParseResponse()
+    {
+        $this->assertSame(4, $this->getCommand()->parseResponse(4));
+    }
+
+    /**
+     * @group connected
+     */
+    public function testReturnsTheLengthOfString()
+    {
+        $redis = $this->getClient();
+
+        $redis->set('foo', 'bar');
+        $this->assertSame(3, $redis->strlen('foo'));
+
+        $redis->append('foo', 'bar');
+        $this->assertSame(6, $redis->strlen('foo'));
+    }
+
+    /**
+     * @group connected
+     */
+    public function testReturnsZeroOnNonExistingKeys()
+    {
+        $redis = $this->getClient();
+
+        $this->assertSame(0, $redis->strlen('foo'));
+    }
+
+    /**
+     * @group connected
+     * @expectedException \Predis\Response\ServerException
+     * @expectedExceptionMessage Operation against a key holding the wrong kind of value
+     */
+    public function testThrowsExceptionOnWrongType()
+    {
+        $redis = $this->getClient();
+
+        $redis->lpush('metavars', 'foo');
+        $redis->strlen('metavars');
+    }
+}