Merge branch 'cmd_lpoppush'

lib/Predis.php

@@ -223,6 +223,8 @@ class Client {
                 'popFirst'     => '\Predis\Commands\ListPopFirst',
             'rpop'             => '\Predis\Commands\ListPopLast',
                 'popLast'      => '\Predis\Commands\ListPopLast',
+            'rpoplpush'        => '\Predis\Commands\ListPushTailPopFirst',
+                'listPushTailPopFist'  => '\Predis\Commands\ListPushTailPopFirst',
 
             /* commands operating on sets */
             'sadd'                      => '\Predis\Commands\SetAdd', 
@@ -900,6 +902,10 @@ class ListRemove extends \Predis\BulkCommand {
     public function getCommandId() { return 'LREM'; }
 }
 
+class ListPushTailPopFirst extends \Predis\BulkCommand {
+    public function getCommandId() { return 'RPOPLPUSH'; }
+}
+
 class ListPopFirst extends \Predis\InlineCommand {
     public function getCommandId() { return 'LPOP'; }
 }

test/RedisCommandsTest.php

@@ -505,6 +505,37 @@ class RedisCommandTestSuite extends PHPUnit_Framework_TestCase {
     }
 
 
+    function testListPushTailPopFist() {
+        $numbers = RC::pushTailAndReturn($this->redis, 'numbers', array(0, 1, 2));
+        $this->assertEquals(0, $this->redis->listLength('temporary'));
+        $this->assertEquals(2, $this->redis->listPushTailPopFist('numbers', 'temporary'));
+        $this->assertEquals(1, $this->redis->listPushTailPopFist('numbers', 'temporary'));
+        $this->assertEquals(0, $this->redis->listPushTailPopFist('numbers', 'temporary'));
+        $this->assertEquals(0, $this->redis->listLength('numbers'));
+        $this->assertEquals(3, $this->redis->listLength('temporary'));
+        $this->assertEquals(array(), $this->redis->listRange('numbers', 0, -1));
+        $this->assertEquals($numbers, $this->redis->listRange('temporary', 0, -1));
+
+        $numbers = RC::pushTailAndReturn($this->redis, 'numbers', array(0, 1, 2));
+        $this->redis->listPushTailPopFist('numbers', 'numbers');
+        $this->redis->listPushTailPopFist('numbers', 'numbers');
+        $this->redis->listPushTailPopFist('numbers', 'numbers');
+        $this->assertEquals($numbers, $this->redis->listRange('numbers', 0, -1));
+
+        $this->assertEquals(null, $this->redis->listPushTailPopFist('listDoesNotExist1', 'listDoesNotExist2'));
+
+        RC::testForServerException($this, RC::EXCEPTION_WRONG_TYPE, function($test) {
+            $test->redis->set('foo', 'bar');
+            $test->redis->listPushTailPopFist('foo', 'hoge');
+        });
+
+        RC::testForServerException($this, RC::EXCEPTION_WRONG_TYPE, function($test) {
+            $test->redis->set('foo', 'bar');
+            $test->redis->listPushTailPopFist('temporary', 'foo');
+        });
+    }
+
+
     /* commands operating on sets */
 
     function testSetAdd() {