From 3250586c0c344dba6d3b683b06760db79d7dd5cf Mon Sep 17 00:00:00 2001
From: Carsten Brandt <mail@cebe.cc>
Date: Wed, 17 Dec 2014 09:56:04 +0100
Subject: [PATCH] added failing test for #6547

---
 .../unit/extensions/redis/RedisCacheTest.php  | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/tests/unit/extensions/redis/RedisCacheTest.php b/tests/unit/extensions/redis/RedisCacheTest.php
index 76025c7b18..b03143258f 100644
--- a/tests/unit/extensions/redis/RedisCacheTest.php
+++ b/tests/unit/extensions/redis/RedisCacheTest.php
@@ -87,6 +87,30 @@ class RedisCacheTest extends CacheTestCase
         $this->assertTrue($cache->get($key) === $data);
     }
 
+    /**
+     * Store a megabyte and see how it goes
+     * https://github.com/yiisoft/yii2/issues/6547
+     */
+    public function testReallyLargeData()
+    {
+        $cache = $this->getCacheInstance();
+
+        $keys = [];
+        for($i = 1; $i < 16; $i++) {
+            $key = 'realbigdata' . $i;
+            $data = str_repeat('X', 100 * 1024); // 100 KB
+            $keys[$key] = $data;
+
+//            $this->assertTrue($cache->get($key) === false); // do not display 100KB in terminal if this fails :)
+            $cache->set($key, $data);
+        }
+        $values = $cache->mget(array_keys($keys));
+        foreach($keys as $key => $value) {
+            $this->assertArrayHasKey($key, $values);
+            $this->assertTrue($values[$key] === $value);
+        }
+    }
+
     public function testMultiByteGetAndSet()
     {
         $cache = $this->getCacheInstance();