Add very basic performance test for save()

README.md

@@ -229,7 +229,7 @@ docker build . -t cm-cache-backend-redis
 
 Then start a Redis server, install Composer dependencies and run tests like so: 
 ```shell
- docker run --rm -d -p 6379 --name cm-cache-backend-redis redis
+ docker run --rm -d -p 6379 --name cm-cache-backend-redis redis --maxmemory 20m --maxmemory-policy noeviction
  cm-cache-backend-redis composer install
  cm-cache-backend-redis composer run-script test
  cm-cache-backend-redis composer run-script php-cs-fixer -- --dry-run

composer.json

@@ -24,6 +24,7 @@
  },
  "scripts": {
  "test": "vendor/bin/phpunit tests",
+ "test-performance": "PERFORMANCE=1 vendor/bin/phpunit tests --filter testLargePayloadLoop",
  "php-cs-fixer": "vendor/bin/php-cs-fixer fix --diff"
  }
 }

tests/RedisBackendTest.php

@@ -88,6 +88,20 @@ public function testCompression(): void
  $this->assertTrue($this->_instance->load('long') == $longString);
  }
 
+ public function testLargePayloadLoop()
+ {
+ if (getenv('PERFORMANCE')) {
+ $longString = file_get_contents(__FILE__);
+ $tags = ['one','two','three','four','five','six','seven','eight','nine','ten'];
+ for ($i = 0; $i < 1000; $i++) {
+ $this->_instance->save($longString, $tags[$i % 10], $tags);
+ }
+ $this->assertTrue(true);
+ } else {
+ $this->markTestSkipped('Skipping large payload test');
+ }
+ }
+
  public function testExpiredCleanup(): void
  {
  $this->assertTrue($this->_instance->clean());