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sources/tests/lib/files/stream/quota.php
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<?php
/**
* Copyright (c) 2013 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\Stream;
class Quota extends \PHPUnit_Framework_TestCase {
public function tearDown() {
\OC\Files\Stream\Quota::clear();
}
/**
* @param string $mode
* @param integer $limit
*/
protected function getStream($mode, $limit) {
$source = fopen('php://temp', $mode);
return \OC\Files\Stream\Quota::wrap($source, $limit);
}
public function testWriteEnoughSpace() {
$stream = $this->getStream('w+', 100);
$this->assertEquals(6, fwrite($stream, 'foobar'));
rewind($stream);
$this->assertEquals('foobar', fread($stream, 100));
}
public function testWriteNotEnoughSpace() {
$stream = $this->getStream('w+', 3);
$this->assertEquals(3, fwrite($stream, 'foobar'));
rewind($stream);
$this->assertEquals('foo', fread($stream, 100));
}
public function testWriteNotEnoughSpaceSecondTime() {
$stream = $this->getStream('w+', 9);
$this->assertEquals(6, fwrite($stream, 'foobar'));
$this->assertEquals(3, fwrite($stream, 'qwerty'));
rewind($stream);
$this->assertEquals('foobarqwe', fread($stream, 100));
}
public function testWriteEnoughSpaceRewind() {
$stream = $this->getStream('w+', 6);
$this->assertEquals(6, fwrite($stream, 'foobar'));
rewind($stream);
$this->assertEquals(3, fwrite($stream, 'qwe'));
rewind($stream);
$this->assertEquals('qwebar', fread($stream, 100));
}
public function testWriteNotEnoughSpaceRead() {
$stream = $this->getStream('w+', 6);
$this->assertEquals(6, fwrite($stream, 'foobar'));
rewind($stream);
$this->assertEquals('foobar', fread($stream, 6));
$this->assertEquals(0, fwrite($stream, 'qwe'));
}
public function testWriteNotEnoughSpaceExistingStream() {
$source = fopen('php://temp', 'w+');
fwrite($source, 'foobar');
$stream = \OC\Files\Stream\Quota::wrap($source, 3);
$this->assertEquals(3, fwrite($stream, 'foobar'));
rewind($stream);
$this->assertEquals('foobarfoo', fread($stream, 100));
}
public function testWriteNotEnoughSpaceExistingStreamRewind() {
$source = fopen('php://temp', 'w+');
fwrite($source, 'foobar');
$stream = \OC\Files\Stream\Quota::wrap($source, 3);
rewind($stream);
$this->assertEquals(6, fwrite($stream, 'qwerty'));
rewind($stream);
$this->assertEquals('qwerty', fread($stream, 100));
}
public function testFseekReturnsSuccess() {
$stream = $this->getStream('w+', 100);
fwrite($stream, '0123456789');
$this->assertEquals(0, fseek($stream, 3, SEEK_SET));
$this->assertEquals(0, fseek($stream, -1, SEEK_CUR));
$this->assertEquals(0, fseek($stream, -4, SEEK_END));
}
public function testWriteAfterSeekEndWithEnoughSpace() {
$stream = $this->getStream('w+', 100);
fwrite($stream, '0123456789');
fseek($stream, -3, SEEK_END);
$this->assertEquals(11, fwrite($stream, 'abcdefghijk'));
rewind($stream);
$this->assertEquals('0123456abcdefghijk', fread($stream, 100));
}
public function testWriteAfterSeekEndWithNotEnoughSpace() {
$stream = $this->getStream('w+', 13);
fwrite($stream, '0123456789');
// seek forward first to potentially week out
// potential limit calculation errors
fseek($stream, 4, SEEK_SET);
// seek to the end
fseek($stream, -3, SEEK_END);
$this->assertEquals(6, fwrite($stream, 'abcdefghijk'));
rewind($stream);
$this->assertEquals('0123456abcdef', fread($stream, 100));
}
public function testWriteAfterSeekSetWithEnoughSpace() {
$stream = $this->getStream('w+', 100);
fwrite($stream, '0123456789');
fseek($stream, 7, SEEK_SET);
$this->assertEquals(11, fwrite($stream, 'abcdefghijk'));
rewind($stream);
$this->assertEquals('0123456abcdefghijk', fread($stream, 100));
}
public function testWriteAfterSeekSetWithNotEnoughSpace() {
$stream = $this->getStream('w+', 13);
fwrite($stream, '0123456789');
fseek($stream, 7, SEEK_SET);
$this->assertEquals(6, fwrite($stream, 'abcdefghijk'));
rewind($stream);
$this->assertEquals('0123456abcdef', fread($stream, 100));
}
public function testWriteAfterSeekCurWithEnoughSpace() {
$stream = $this->getStream('w+', 100);
fwrite($stream, '0123456789');
rewind($stream);
fseek($stream, 3, SEEK_CUR);
fseek($stream, 5, SEEK_CUR);
fseek($stream, -1, SEEK_CUR);
$this->assertEquals(11, fwrite($stream, 'abcdefghijk'));
rewind($stream);
$this->assertEquals('0123456abcdefghijk', fread($stream, 100));
}
public function testWriteAfterSeekCurWithNotEnoughSpace() {
$stream = $this->getStream('w+', 13);
fwrite($stream, '0123456789');
rewind($stream);
fseek($stream, 3, SEEK_CUR);
fseek($stream, 5, SEEK_CUR);
fseek($stream, -1, SEEK_CUR);
$this->assertEquals(6, fwrite($stream, 'abcdefghijk'));
rewind($stream);
$this->assertEquals('0123456abcdef', fread($stream, 100));
}
}
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