From 3ba46f3b50645c563c45996e5ccea884129ee187 Mon Sep 17 00:00:00 2001
From: Robin Appelman <robin@icewind.nl>
Date: Thu, 19 Mar 2020 15:28:02 +0100
Subject: add basic tests for s3 seeking and add some error handling if reopen
 return the wrong range

Signed-off-by: Robin Appelman <robin@icewind.nl>
---
 tests/lib/Files/ObjectStore/ObjectStoreTest.php |  2 +-
 tests/lib/Files/ObjectStore/S3Test.php          | 22 +++++++++++++++++++---
 2 files changed, 20 insertions(+), 4 deletions(-)

(limited to 'tests')

diff --git a/tests/lib/Files/ObjectStore/ObjectStoreTest.php b/tests/lib/Files/ObjectStore/ObjectStoreTest.php
index 1383c0149a2..67c41eb7ccc 100644
--- a/tests/lib/Files/ObjectStore/ObjectStoreTest.php
+++ b/tests/lib/Files/ObjectStore/ObjectStoreTest.php
@@ -31,7 +31,7 @@ abstract class ObjectStoreTest extends TestCase {
 	 */
 	abstract protected function getInstance();
 
-	private function stringToStream($data) {
+	protected function stringToStream($data) {
 		$stream = fopen('php://temp', 'w+');
 		fwrite($stream, $data);
 		rewind($stream);
diff --git a/tests/lib/Files/ObjectStore/S3Test.php b/tests/lib/Files/ObjectStore/S3Test.php
index b56978f4fee..525e020445a 100644
--- a/tests/lib/Files/ObjectStore/S3Test.php
+++ b/tests/lib/Files/ObjectStore/S3Test.php
@@ -27,7 +27,7 @@ use OC\Files\ObjectStore\S3;
 class MultiPartUploadS3 extends S3 {
 	function writeObject($urn, $stream) {
 		$this->getConnection()->upload($this->bucket, $urn, $stream, 'private', [
-			'mup_threshold' => 1
+			'mup_threshold' => 1,
 		]);
 	}
 }
@@ -36,8 +36,8 @@ class NonSeekableStream extends Wrapper {
 	public static function wrap($source) {
 		$context = stream_context_create([
 			'nonseek' => [
-				'source' => $source
-			]
+				'source' => $source,
+			],
 		]);
 		return Wrapper::wrapSource($source, $context, 'nonseek', self::class);
 	}
@@ -83,4 +83,20 @@ class S3Test extends ObjectStoreTest {
 
 		$this->assertEquals(file_get_contents(__FILE__), stream_get_contents($result));
 	}
+
+	public function testSeek() {
+		$data = file_get_contents(__FILE__);
+
+		$instance = $this->getInstance();
+		$instance->writeObject('seek', $this->stringToStream($data));
+
+		$read = $instance->readObject('seek');
+		$this->assertEquals(substr($data, 0, 100), fread($read, 100));
+
+		fseek($read, 10);
+		$this->assertEquals(substr($data, 10, 100), fread($read, 100));
+
+		fseek($read, 100, SEEK_CUR);
+		$this->assertEquals(substr($data, 210, 100), fread($read, 100));
+	}
 }
-- 
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