From 2b537840941634d561ba3eed2215aedca7897471 Mon Sep 17 00:00:00 2001
From: Philipp Holzer <admin@philipp.info>
Date: Wed, 27 Feb 2019 18:32:25 +0100
Subject: [PATCH] Reuse existing Strings::getRandomHex function

---
 src/Util/Logger/WorkerLogger.php           | 25 ++--------------------
 tests/src/Util/Logger/WorkerLoggerTest.php |  6 +-----
 2 files changed, 3 insertions(+), 28 deletions(-)

diff --git a/src/Util/Logger/WorkerLogger.php b/src/Util/Logger/WorkerLogger.php
index a9295834d9..be7f82a9f4 100644
--- a/src/Util/Logger/WorkerLogger.php
+++ b/src/Util/Logger/WorkerLogger.php
@@ -2,6 +2,7 @@
 
 namespace Friendica\Util\Logger;
 
+use Friendica\Util\Strings;
 use Psr\Log\LoggerInterface;
 
 /**
@@ -34,29 +35,7 @@ class WorkerLogger implements LoggerInterface
 	{
 		$this->logger = $logger;
 		$this->functionName = $functionName;
-		$this->workerId = $this->generateWorkerId($idLength);
-	}
-
-	/**
-	 * Generates an ID
-	 *
-	 * @param int $length
-	 *
-	 * @return string
-	 */
-	private function generateWorkerId($length)
-	{
-		if ($length <= 0) {
-			$this->logger->alert('id length must be greater than 0.');
-			return '';
-		}
-
-		try {
-			return substr(bin2hex(random_bytes(ceil($length / 2))), 0, $length);
-		} catch (\Exception $exception) {
-			$this->logger->alert('random_bytes threw an error', ['exception' => $exception]);
-			return '';
-		}
+		$this->workerId = Strings::getRandomHex($idLength);
 	}
 
 	/**
diff --git a/tests/src/Util/Logger/WorkerLoggerTest.php b/tests/src/Util/Logger/WorkerLoggerTest.php
index 0713f64d0b..7676b01e5b 100644
--- a/tests/src/Util/Logger/WorkerLoggerTest.php
+++ b/tests/src/Util/Logger/WorkerLoggerTest.php
@@ -15,15 +15,11 @@ class WorkerLoggerTest extends MockedTest
 
 	/**
 	 * Test the a id with length zero
-	 * @expectedException
+	 * @expectedException \Error
 	 */
 	public function testGetWorkerIdZero()
 	{
 		$logger = \Mockery::mock(LoggerInterface::class);
-		$logger
-			->shouldReceive('alert')
-			->with('id length must be greater than 0.')
-			->once();
 		new WorkerLogger($logger, 'test', 0);
 	}