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<?php
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OCA\DAV\Tests\unit\Upload;
use OCA\DAV\Upload\AssemblyStream;
use Sabre\DAV\File;
class AssemblyStreamTest extends \Test\TestCase {
#[\PHPUnit\Framework\Attributes\DataProvider('providesNodes')]
public function testGetContents(string $expected, array $nodeData): void {
$nodes = [];
foreach ($nodeData as $data) {
$nodes[] = $this->buildNode(...$data);
}
$stream = AssemblyStream::wrap($nodes);
$content = stream_get_contents($stream);
$this->assertEquals($expected, $content);
}
#[\PHPUnit\Framework\Attributes\DataProvider('providesNodes')]
public function testGetContentsFread(string $expected, array $nodeData, int $chunkLength = 3): void {
$nodes = [];
foreach ($nodeData as $data) {
$nodes[] = $this->buildNode(...$data);
}
$stream = AssemblyStream::wrap($nodes);
$content = '';
while (!feof($stream)) {
$chunk = fread($stream, $chunkLength);
$content .= $chunk;
if ($chunkLength !== 3) {
$this->assertEquals($chunkLength, strlen($chunk));
}
}
$this->assertEquals($expected, $content);
}
#[\PHPUnit\Framework\Attributes\DataProvider('providesNodes')]
public function testSeek(string $expected, array $nodeData): void {
$nodes = [];
foreach ($nodeData as $data) {
$nodes[] = $this->buildNode(...$data);
}
$stream = AssemblyStream::wrap($nodes);
$offset = floor(strlen($expected) * 0.6);
if (fseek($stream, $offset) === -1) {
$this->fail('fseek failed');
}
$content = stream_get_contents($stream);
$this->assertEquals(substr($expected, $offset), $content);
}
public static function providesNodes(): array {
$data8k = self::makeData(8192);
$dataLess8k = self::makeData(8191);
$tonofnodes = [];
$tonofdata = '';
for ($i = 0; $i < 101; $i++) {
$thisdata = random_int(0, 100); // variable length and content
$tonofdata .= $thisdata;
$tonofnodes[] = [(string)$i, (string)$thisdata];
}
return[
'one node zero bytes' => [
'', [
['0', ''],
]],
'one node only' => [
'1234567890', [
['0', '1234567890'],
]],
'one node buffer boundary' => [
$data8k, [
['0', $data8k],
]],
'two nodes' => [
'1234567890', [
['1', '67890'],
['0', '12345'],
]],
'two nodes end on buffer boundary' => [
$data8k . $data8k, [
['1', $data8k],
['0', $data8k],
]],
'two nodes with one on buffer boundary' => [
$data8k . $dataLess8k, [
['1', $dataLess8k],
['0', $data8k],
]],
'two nodes on buffer boundary plus one byte' => [
$data8k . 'X' . $data8k, [
['1', $data8k],
['0', $data8k . 'X'],
]],
'two nodes on buffer boundary plus one byte at the end' => [
$data8k . $data8k . 'X', [
['1', $data8k . 'X'],
['0', $data8k],
]],
'a ton of nodes' => [
$tonofdata, $tonofnodes
],
'one read over multiple nodes' => [
'1234567890', [
['0', '1234'],
['1', '5678'],
['2', '90'],
], 10],
'two reads over multiple nodes' => [
'1234567890', [
['0', '1234'],
['1', '5678'],
['2', '90'],
], 5],
];
}
private static function makeData(int $count): string {
$data = '';
$base = '1234567890';
$j = 0;
for ($i = 0; $i < $count; $i++) {
$data .= $base[$j];
$j++;
if (!isset($base[$j])) {
$j = 0;
}
}
return $data;
}
private function buildNode(string $name, string $data) {
$node = $this->getMockBuilder(File::class)
->onlyMethods(['getName', 'get', 'getSize'])
->getMock();
$node->expects($this->any())
->method('getName')
->willReturn($name);
$node->expects($this->any())
->method('get')
->willReturn($data);
$node->expects($this->any())
->method('getSize')
->willReturn(strlen($data));
return $node;
}
}
|
