nextcloud/tests/lib/files/cache/cache.php

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<?php
/**
* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace Test\Files\Cache;
use PHPUnit_Framework_MockObject_MockObject;
class LongId extends \OC\Files\Storage\Temporary {
public function getId() {
return 'long:' . str_repeat('foo', 50) . parent::getId();
}
}
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class Cache extends \PHPUnit_Framework_TestCase {
/**
* @var \OC\Files\Storage\Temporary $storage ;
*/
private $storage;
/**
* @var \OC\Files\Storage\Temporary $storage2 ;
*/
private $storage2;
/**
* @var \OC\Files\Cache\Cache $cache
*/
private $cache;
/**
* @var \OC\Files\Cache\Cache $cache2
*/
private $cache2;
public function testSimple() {
$file1 = 'foo';
$file2 = 'foo/bar';
$data1 = array('size' => 100, 'mtime' => 50, 'mimetype' => 'foo/folder');
$data2 = array('size' => 1000, 'mtime' => 20, 'mimetype' => 'foo/file');
$this->assertFalse($this->cache->inCache($file1));
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$this->assertEquals($this->cache->get($file1), null);
$id1 = $this->cache->put($file1, $data1);
$this->assertTrue($this->cache->inCache($file1));
$cacheData1 = $this->cache->get($file1);
foreach ($data1 as $key => $value) {
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$this->assertEquals($value, $cacheData1[$key]);
}
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$this->assertEquals($cacheData1['mimepart'], 'foo');
$this->assertEquals($cacheData1['fileid'], $id1);
$this->assertEquals($id1, $this->cache->getId($file1));
$this->assertFalse($this->cache->inCache($file2));
$id2 = $this->cache->put($file2, $data2);
$this->assertTrue($this->cache->inCache($file2));
$cacheData2 = $this->cache->get($file2);
foreach ($data2 as $key => $value) {
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$this->assertEquals($value, $cacheData2[$key]);
}
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$this->assertEquals($cacheData1['fileid'], $cacheData2['parent']);
$this->assertEquals($cacheData2['fileid'], $id2);
$this->assertEquals($id2, $this->cache->getId($file2));
$this->assertEquals($id1, $this->cache->getParentId($file2));
$newSize = 1050;
$newId2 = $this->cache->put($file2, array('size' => $newSize));
$cacheData2 = $this->cache->get($file2);
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$this->assertEquals($newId2, $id2);
$this->assertEquals($cacheData2['size'], $newSize);
$this->assertEquals($cacheData1, $this->cache->get($file1));
$this->cache->remove($file2);
$this->assertFalse($this->cache->inCache($file2));
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$this->assertEquals($this->cache->get($file2), null);
$this->assertTrue($this->cache->inCache($file1));
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$this->assertEquals($cacheData1, $this->cache->get($id1));
}
public function testPartial() {
$file1 = 'foo';
$this->cache->put($file1, array('size' => 10));
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$this->assertEquals(array('size' => 10), $this->cache->get($file1));
$this->cache->put($file1, array('mtime' => 15));
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$this->assertEquals(array('size' => 10, 'mtime' => 15), $this->cache->get($file1));
$this->cache->put($file1, array('size' => 12));
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$this->assertEquals(array('size' => 12, 'mtime' => 15), $this->cache->get($file1));
}
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/**
* @dataProvider folderDataProvider
*/
public function testFolder($folder) {
$file2 = $folder.'/bar';
$file3 = $folder.'/foo';
$data1 = array('size' => 100, 'mtime' => 50, 'mimetype' => 'httpd/unix-directory');
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$fileData = array();
$fileData['bar'] = array('size' => 1000, 'mtime' => 20, 'mimetype' => 'foo/file');
$fileData['foo'] = array('size' => 20, 'mtime' => 25, 'mimetype' => 'foo/file');
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$this->cache->put($folder, $data1);
$this->cache->put($file2, $fileData['bar']);
$this->cache->put($file3, $fileData['foo']);
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$content = $this->cache->getFolderContents($folder);
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$this->assertEquals(count($content), 2);
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foreach ($content as $cachedData) {
$data = $fileData[$cachedData['name']];
foreach ($data as $name => $value) {
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$this->assertEquals($value, $cachedData[$name]);
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}
}
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$file4 = $folder.'/unkownSize';
$fileData['unkownSize'] = array('size' => -1, 'mtime' => 25, 'mimetype' => 'foo/file');
$this->cache->put($file4, $fileData['unkownSize']);
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$this->assertEquals(-1, $this->cache->calculateFolderSize($folder));
$fileData['unkownSize'] = array('size' => 5, 'mtime' => 25, 'mimetype' => 'foo/file');
$this->cache->put($file4, $fileData['unkownSize']);
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$this->assertEquals(1025, $this->cache->calculateFolderSize($folder));
$this->cache->remove($file2);
$this->cache->remove($file3);
$this->cache->remove($file4);
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$this->assertEquals(0, $this->cache->calculateFolderSize($folder));
$this->cache->remove($folder);
$this->assertFalse($this->cache->inCache($folder.'/foo'));
$this->assertFalse($this->cache->inCache($folder.'/bar'));
}
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public function folderDataProvider() {
return array(
array('folder'),
// that was too easy, try something harder
array('☺, WHITE SMILING FACE, UTF-8 hex E298BA'),
// what about 4 byte utf-8
array('😐, NEUTRAL_FACE, UTF-8 hex F09F9890'),
// now the crazy stuff
array(', UNASSIGNED PRIVATE USE, UTF-8 hex EF9890'),
// and my favorite
array('w͢͢͝h͡o͢͡ ̸͢k̵͟n̴͘ǫw̸̛s͘ ̀́w͘͢ḩ̵a҉̡͢t ̧̕h́o̵r͏̵rors̡ ̶͡͠lį̶e͟͟ ̶͝in͢ ͏t̕h̷̡͟e ͟͟d̛a͜r̕͡k̢̨ ͡h̴e͏a̷̢̡rt́͏ ̴̷͠ò̵̶f̸ u̧͘ní̛͜c͢͏͏d̸͢e̡͝')
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);
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}
public function testEncryptedFolder() {
$file1 = 'folder';
$file2 = 'folder/bar';
$file3 = 'folder/foo';
$data1 = array('size' => 100, 'mtime' => 50, 'mimetype' => 'httpd/unix-directory');
$fileData = array();
$fileData['bar'] = array('size' => 1000, 'unencrypted_size' => 900, 'encrypted' => 1, 'mtime' => 20, 'mimetype' => 'foo/file');
$fileData['foo'] = array('size' => 20, 'unencrypted_size' => 16, 'encrypted' => 1, 'mtime' => 25, 'mimetype' => 'foo/file');
$this->cache->put($file1, $data1);
$this->cache->put($file2, $fileData['bar']);
$this->cache->put($file3, $fileData['foo']);
$content = $this->cache->getFolderContents($file1);
$this->assertEquals(count($content), 2);
foreach ($content as $cachedData) {
$data = $fileData[$cachedData['name']];
// indirect retrieval swaps unencrypted_size and size
$this->assertEquals($data['unencrypted_size'], $cachedData['size']);
}
$file4 = 'folder/unkownSize';
$fileData['unkownSize'] = array('size' => -1, 'mtime' => 25, 'mimetype' => 'foo/file');
$this->cache->put($file4, $fileData['unkownSize']);
$this->assertEquals(-1, $this->cache->calculateFolderSize($file1));
$fileData['unkownSize'] = array('size' => 5, 'mtime' => 25, 'mimetype' => 'foo/file');
$this->cache->put($file4, $fileData['unkownSize']);
$this->assertEquals(916, $this->cache->calculateFolderSize($file1));
// direct cache entry retrieval returns the original values
$entry = $this->cache->get($file1);
$this->assertEquals(1025, $entry['size']);
$this->assertEquals(916, $entry['unencrypted_size']);
$this->cache->remove($file2);
$this->cache->remove($file3);
$this->cache->remove($file4);
$this->assertEquals(0, $this->cache->calculateFolderSize($file1));
$this->cache->remove('folder');
$this->assertFalse($this->cache->inCache('folder/foo'));
$this->assertFalse($this->cache->inCache('folder/bar'));
}
public function testRootFolderSizeForNonHomeStorage() {
$dir1 = 'knownsize';
$dir2 = 'unknownsize';
$fileData = array();
$fileData[''] = array('size' => -1, 'mtime' => 20, 'mimetype' => 'httpd/unix-directory');
$fileData[$dir1] = array('size' => 1000, 'mtime' => 20, 'mimetype' => 'httpd/unix-directory');
$fileData[$dir2] = array('size' => -1, 'mtime' => 25, 'mimetype' => 'httpd/unix-directory');
$this->cache->put('', $fileData['']);
$this->cache->put($dir1, $fileData[$dir1]);
$this->cache->put($dir2, $fileData[$dir2]);
$this->assertTrue($this->cache->inCache($dir1));
$this->assertTrue($this->cache->inCache($dir2));
// check that root size ignored the unknown sizes
$this->assertEquals(-1, $this->cache->calculateFolderSize(''));
// clean up
$this->cache->remove('');
$this->cache->remove($dir1);
$this->cache->remove($dir2);
$this->assertFalse($this->cache->inCache($dir1));
$this->assertFalse($this->cache->inCache($dir2));
}
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function testStatus() {
$this->assertEquals(\OC\Files\Cache\Cache::NOT_FOUND, $this->cache->getStatus('foo'));
$this->cache->put('foo', array('size' => -1));
$this->assertEquals(\OC\Files\Cache\Cache::PARTIAL, $this->cache->getStatus('foo'));
$this->cache->put('foo', array('size' => -1, 'mtime' => 20, 'mimetype' => 'foo/file'));
$this->assertEquals(\OC\Files\Cache\Cache::SHALLOW, $this->cache->getStatus('foo'));
$this->cache->put('foo', array('size' => 10));
$this->assertEquals(\OC\Files\Cache\Cache::COMPLETE, $this->cache->getStatus('foo'));
}
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function testSearch() {
$file1 = 'folder';
$file2 = 'folder/foobar';
$file3 = 'folder/foo';
$data1 = array('size' => 100, 'mtime' => 50, 'mimetype' => 'foo/folder');
$fileData = array();
$fileData['foobar'] = array('size' => 1000, 'mtime' => 20, 'mimetype' => 'foo/file');
$fileData['foo'] = array('size' => 20, 'mtime' => 25, 'mimetype' => 'foo/file');
$this->cache->put($file1, $data1);
$this->cache->put($file2, $fileData['foobar']);
$this->cache->put($file3, $fileData['foo']);
$this->assertEquals(2, count($this->cache->search('%foo%')));
$this->assertEquals(1, count($this->cache->search('foo')));
$this->assertEquals(1, count($this->cache->search('%folder%')));
$this->assertEquals(1, count($this->cache->search('folder%')));
$this->assertEquals(3, count($this->cache->search('%')));
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// case insensitive search should match the same files
$this->assertEquals(2, count($this->cache->search('%Foo%')));
$this->assertEquals(1, count($this->cache->search('Foo')));
$this->assertEquals(1, count($this->cache->search('%Folder%')));
$this->assertEquals(1, count($this->cache->search('Folder%')));
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$this->assertEquals(3, count($this->cache->searchByMime('foo')));
$this->assertEquals(2, count($this->cache->searchByMime('foo/file')));
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}
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function testMove() {
$file1 = 'folder';
$file2 = 'folder/bar';
$file3 = 'folder/foo';
$file4 = 'folder/foo/1';
$file5 = 'folder/foo/2';
$data = array('size' => 100, 'mtime' => 50, 'mimetype' => 'foo/bar');
$folderData = array('size' => 100, 'mtime' => 50, 'mimetype' => 'httpd/unix-directory');
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$this->cache->put($file1, $folderData);
$this->cache->put($file2, $folderData);
$this->cache->put($file3, $folderData);
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$this->cache->put($file4, $data);
$this->cache->put($file5, $data);
/* simulate a second user with a different storage id but the same folder structure */
$this->cache2->put($file1, $folderData);
$this->cache2->put($file2, $folderData);
$this->cache2->put($file3, $folderData);
$this->cache2->put($file4, $data);
$this->cache2->put($file5, $data);
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$this->cache->move('folder/foo', 'folder/foobar');
$this->assertFalse($this->cache->inCache('folder/foo'));
$this->assertFalse($this->cache->inCache('folder/foo/1'));
$this->assertFalse($this->cache->inCache('folder/foo/2'));
$this->assertTrue($this->cache->inCache('folder/bar'));
$this->assertTrue($this->cache->inCache('folder/foobar'));
$this->assertTrue($this->cache->inCache('folder/foobar/1'));
$this->assertTrue($this->cache->inCache('folder/foobar/2'));
/* the folder structure of the second user must not change! */
$this->assertTrue($this->cache2->inCache('folder/bar'));
$this->assertTrue($this->cache2->inCache('folder/foo'));
$this->assertTrue($this->cache2->inCache('folder/foo/1'));
$this->assertTrue($this->cache2->inCache('folder/foo/2'));
$this->assertFalse($this->cache2->inCache('folder/foobar'));
$this->assertFalse($this->cache2->inCache('folder/foobar/1'));
$this->assertFalse($this->cache2->inCache('folder/foobar/2'));
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}
function testGetIncomplete() {
$file1 = 'folder1';
$file2 = 'folder2';
$file3 = 'folder3';
$file4 = 'folder4';
$data = array('size' => 10, 'mtime' => 50, 'mimetype' => 'foo/bar');
$this->cache->put($file1, $data);
$data['size'] = -1;
$this->cache->put($file2, $data);
$this->cache->put($file3, $data);
$data['size'] = 12;
$this->cache->put($file4, $data);
$this->assertEquals($file3, $this->cache->getIncomplete());
}
function testNonExisting() {
$this->assertFalse($this->cache->get('foo.txt'));
$this->assertEquals(array(), $this->cache->getFolderContents('foo'));
}
function testGetById() {
$storageId = $this->storage->getId();
$data = array('size' => 1000, 'mtime' => 20, 'mimetype' => 'foo/file');
$id = $this->cache->put('foo', $data);
$this->assertEquals(array($storageId, 'foo'), \OC\Files\Cache\Cache::getById($id));
}
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function testStorageMTime() {
$data = array('size' => 1000, 'mtime' => 20, 'mimetype' => 'foo/file');
$this->cache->put('foo', $data);
$cachedData = $this->cache->get('foo');
$this->assertEquals($data['mtime'], $cachedData['storage_mtime']); //if no storage_mtime is saved, mtime should be used
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$this->cache->put('foo', array('storage_mtime' => 30)); //when setting storage_mtime, mtime is also set
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$cachedData = $this->cache->get('foo');
$this->assertEquals(30, $cachedData['storage_mtime']);
$this->assertEquals(30, $cachedData['mtime']);
$this->cache->put('foo', array('mtime' => 25)); //setting mtime does not change storage_mtime
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$cachedData = $this->cache->get('foo');
$this->assertEquals(30, $cachedData['storage_mtime']);
$this->assertEquals(25, $cachedData['mtime']);
}
function testLongId() {
$storage = new LongId(array());
$cache = $storage->getCache();
$storageId = $storage->getId();
$data = array('size' => 1000, 'mtime' => 20, 'mimetype' => 'foo/file');
$id = $cache->put('foo', $data);
$this->assertEquals(array(md5($storageId), 'foo'), \OC\Files\Cache\Cache::getById($id));
}
/**
* this test show the bug resulting if we have no normalizer installed
*/
public function testWithoutNormalizer() {
// folder name "Schön" with U+00F6 (normalized)
$folderWith00F6 = "\x53\x63\x68\xc3\xb6\x6e";
// folder name "Schön" with U+0308 (un-normalized)
$folderWith0308 = "\x53\x63\x68\x6f\xcc\x88\x6e";
/**
* @var \OC\Files\Cache\Cache | PHPUnit_Framework_MockObject_MockObject $cacheMock
*/
$cacheMock = $this->getMock('\OC\Files\Cache\Cache', array('normalize'), array($this->storage), '', true);
$cacheMock->expects($this->any())
->method('normalize')
->will($this->returnArgument(0));
$data = array('size' => 100, 'mtime' => 50, 'mimetype' => 'httpd/unix-directory');
// put root folder
$this->assertFalse($cacheMock->get('folder'));
$this->assertGreaterThan(0, $cacheMock->put('folder', $data));
// put un-normalized folder
$this->assertFalse($cacheMock->get('folder/' . $folderWith0308));
$this->assertGreaterThan(0, $cacheMock->put('folder/' . $folderWith0308, $data));
// get un-normalized folder by name
$unNormalizedFolderName = $cacheMock->get('folder/' . $folderWith0308);
// check if database layer normalized the folder name (this should not happen)
$this->assertEquals($folderWith0308, $unNormalizedFolderName['name']);
// put normalized folder
$this->assertFalse($cacheMock->get('folder/' . $folderWith00F6));
$this->assertGreaterThan(0, $cacheMock->put('folder/' . $folderWith00F6, $data));
// this is our bug, we have two different hashes with the same name (Schön)
$this->assertEquals(2, count($cacheMock->getFolderContents('folder')));
}
/**
* this test shows that there is no bug if we use the normalizer
*/
public function testWithNormalizer() {
if (!class_exists('Patchwork\PHP\Shim\Normalizer')) {
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$this->markTestSkipped('The 3rdparty Normalizer extension is not available.');
return;
}
// folder name "Schön" with U+00F6 (normalized)
$folderWith00F6 = "\x53\x63\x68\xc3\xb6\x6e";
// folder name "Schön" with U+0308 (un-normalized)
$folderWith0308 = "\x53\x63\x68\x6f\xcc\x88\x6e";
$data = array('size' => 100, 'mtime' => 50, 'mimetype' => 'httpd/unix-directory');
// put root folder
$this->assertFalse($this->cache->get('folder'));
$this->assertGreaterThan(0, $this->cache->put('folder', $data));
// put un-normalized folder
$this->assertFalse($this->cache->get('folder/' . $folderWith0308));
$this->assertGreaterThan(0, $this->cache->put('folder/' . $folderWith0308, $data));
// get un-normalized folder by name
$unNormalizedFolderName = $this->cache->get('folder/' . $folderWith0308);
// check if folder name was normalized
$this->assertEquals($folderWith00F6, $unNormalizedFolderName['name']);
// put normalized folder
$this->assertTrue(is_array($this->cache->get('folder/' . $folderWith00F6)));
$this->assertGreaterThan(0, $this->cache->put('folder/' . $folderWith00F6, $data));
// at this point we should have only one folder named "Schön"
$this->assertEquals(1, count($this->cache->getFolderContents('folder')));
}
public function tearDown() {
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if ($this->cache) {
$this->cache->clear();
}
}
public function setUp() {
$this->storage = new \OC\Files\Storage\Temporary(array());
$this->storage2 = new \OC\Files\Storage\Temporary(array());
$this->cache = new \OC\Files\Cache\Cache($this->storage);
$this->cache2 = new \OC\Files\Cache\Cache($this->storage2);
}
}