tikiwiki/packages/tiki-pkg-mpdf/setasign/fpdi/tests/unit/PdfParser/StreamReaderTest.php

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2023-11-20 21:52:04 +01:00
<?php
namespace setasign\Fpdi\unit\PdfParser;
use PHPUnit\Framework\TestCase;
use setasign\Fpdi\PdfParser\StreamReader;
class StreamReaderTest extends TestCase
{
public function testConstructorWithNonStream()
{
$this->expectException(\InvalidArgumentException::class);
/** @noinspection PhpParamsInspection */
new StreamReader('test');
}
public function testConstructorWithNonSeekableStream()
{
$this->expectException(\InvalidArgumentException::class);
$h = fopen('php://output', 'rb');
try {
new StreamReader($h);
} finally {
fclose($h);
}
}
public function testConstructor()
{
$resource = fopen('php://temp', 'r+b');
fwrite($resource, 'Hallo Welt');
rewind($resource);
$streamReader = new StreamReader($resource, true);
$this->assertSame($resource, $streamReader->getStream());
}
public function testDestructWithClosingStream()
{
$resource = fopen('php://temp', 'r+b');
fwrite($resource, 'Hallo Welt');
rewind($resource);
$streamReader = new StreamReader($resource, true);
$this->assertSame('stream', get_resource_type($resource));
unset($streamReader);
$this->assertSame('Unknown', get_resource_type($resource));
}
public function testDestructWithoutClosingStream()
{
$resource = fopen('php://temp', 'r+b');
fwrite($resource, 'Hallo Welt');
rewind($resource);
$streamReader = new StreamReader($resource, false);
$this->assertSame('stream', get_resource_type($resource));
unset($streamReader);
$this->assertSame('stream', get_resource_type($resource));
}
public function testCreateByString()
{
$string = 'Hallo Welt';
$streamReader = StreamReader::createByString($string);
$this->assertSame('Hallo Welt', $streamReader->getBuffer());
$resource = $streamReader->getStream();
$this->assertSame('stream', get_resource_type($resource));
unset($streamReader);
$this->assertSame('Unknown', get_resource_type($resource));
}
public function testCreateByFile()
{
$streamReader = StreamReader::createByFile(__DIR__ . '/_files/streamReader.txt');
$this->assertSame('Hallo Welt', $streamReader->readLine());
$this->assertSame('Das ist ein Test', $streamReader->readLine());
$this->assertSame('!', $streamReader->readLine());
$this->assertFalse($streamReader->readLine());
$resource = $streamReader->getStream();
$this->assertSame('stream', get_resource_type($resource));
unset($streamReader);
$this->assertSame('Unknown', get_resource_type($resource));
}
public function stringProvider()
{
$longContent = str_repeat('abcd', 10000);
$moreLinesContent = str_repeat("dasdwaa\nasdasd", 1000);
$moreLines2Content = str_repeat("dasdwaa\r\nasdasd", 1000);
return [
[$longContent],
[$moreLinesContent],
[$moreLines2Content]
];
}
/**
* @dataProvider stringProvider
*/
public function testGetTotalLength($content)
{
$streamReader = StreamReader::createByString($content);
$this->assertSame(strlen($content), $streamReader->getTotalLength());
}
public function resetProvider()
{
return [
['offset' => null, 'length' => 10],
['offset' => 10, 'length' => 100],
['offset' => 100, 'length' => 100],
['offset' => 0, 'length' => 10],
['offset' => -5, 'length' => 10],
['offset' => 0, 'length' => 0]
];
}
/**
* @dataProvider resetProvider
*/
public function testReset($offset, $length)
{
$content = str_repeat("dasdwaa\r\nasdasd", 1000);
$streamReader = StreamReader::createByString($content);
$streamReader->reset($offset, $length);
$this->assertSame(substr($content, $offset, $length), $streamReader->getBuffer());
}
/**
* @dataProvider stringProvider
*/
public function testIncreaseLength($content)
{
$streamReader = StreamReader::createByString($content);
$streamReader->reset(0, 100);
$res = $streamReader->increaseLength(10); // increases by 100
$this->assertTrue($res);
$buffer = $streamReader->getBuffer();
$this->assertEquals(substr($content, 0, 200), $buffer);
$res = $streamReader->increaseLength(strlen($content) - 200);
$this->assertTrue($res);
$res = $streamReader->increaseLength(1);
$this->assertFalse($res);
}
/**
* @dataProvider stringProvider
*/
public function testGetOffsetAndSetOffset($content)
{
$streamReader = StreamReader::createByString($content);
$this->assertEquals(0, $streamReader->getOffset());
$streamReader->setOffset(1);
$this->assertEquals(1, $streamReader->getOffset());
$streamReader->setOffset(88);
$this->assertEquals(88, $streamReader->getOffset());
}
public function testSetOffsetWithInvalidArgumentTooBigNumbers()
{
$streamReader = StreamReader::createByString('Hallo Welt');
$this->expectException(\OutOfRangeException::class);
$streamReader->setOffset(100);
}
public function testSetOffsetWithInvalidArgumentNegativeNumbers()
{
$streamReader = StreamReader::createByString('Hallo Welt');
$this->expectException(\OutOfRangeException::class);
$streamReader->setOffset(-1);
}
public function testAddOffset()
{
$streamReader = StreamReader::createByString('Hallo Welt');
$streamReader->addOffset(1);
$this->assertEquals(1, $streamReader->getOffset());
$streamReader->addOffset(4);
$this->assertEquals(5, $streamReader->getOffset());
}
public function testAddOffsetWithInvalidArgument()
{
$streamReader = StreamReader::createByString(str_repeat('abcdefghijklmnopqurstuvwxyz', 20));
$streamReader->reset(0, 100);
$this->expectException(\OutOfRangeException::class);
$streamReader->addOffset(101);
}
/**
* @dataProvider stringProvider
*/
public function testGetBuffer($content)
{
$streamReader = StreamReader::createByString($content);
$streamReader->reset(0, 100);
$this->assertEquals(substr($content, 0, 100), $streamReader->getBuffer());
$streamReader->setOffset(10);
$this->assertEquals(substr($content, 10, 90), $streamReader->getBuffer());
$this->assertEquals(substr($content, 0, 100), $streamReader->getBuffer(false));
$streamReader->setOffset(100);
$streamReader->ensureContent();
$this->assertEquals(substr($content, 0, 200), $streamReader->getBuffer(false));
}
/**
* @dataProvider stringProvider
*/
public function testGetBufferLength($content)
{
$streamReader = StreamReader::createByString($content);
$streamReader->reset(0, 100);
$this->assertEquals(100, $streamReader->getBufferLength());
$streamReader->reset(0, 200);
$this->assertEquals(200, $streamReader->getBufferLength());
$streamReader->setOffset(50);
$this->assertEquals(200, $streamReader->getBufferLength());
$this->assertEquals(150, $streamReader->getBufferLength(true));
}
/**
* @dataProvider stringProvider
*/
public function testReadLine($content)
{
$chars = substr($content, 0, 100);
$lines = preg_split("/(\n)|(\r\n)/", $chars);
$firstLine = array_shift($lines);
$streamReader = StreamReader::createByString($content);
$this->assertEquals($firstLine, $streamReader->readLine(100));
$streamReader->reset(100, 100);
$chars = substr($content, 100, 100);
$lines = preg_split("/(\n)|(\r\n)/", $chars);
$firstLine = array_shift($lines);
$this->assertEquals($firstLine, $streamReader->readLine(100));
}
public function testReadLineWithEmptyStream()
{
$streamReader = StreamReader::createByString('');
$this->assertFalse($streamReader->readLine(100));
}
/**
* @dataProvider stringProvider
*/
public function testGetByte($content)
{
$streamReader = StreamReader::createByString($content);
$streamReader->reset(0, 100);
$byte = $streamReader->getByte();
$this->assertEquals($content[0], $byte);
$byte = $streamReader->getByte();
$this->assertEquals($content[0], $byte);
$byte = $streamReader->getByte(5);
$this->assertEquals($content[5], $byte);
$streamReader->addOffset(1);
$byte = $streamReader->getByte();
$this->assertEquals($content[1], $byte);
$byte = $streamReader->getByte(6);
$this->assertEquals($content[6], $byte);
$byte = $streamReader->getByte(102);
$this->assertEquals($content[102], $byte);
$byte = $streamReader->getByte($streamReader->getTotalLength());
$this->assertFalse($byte);
}
/**
* @dataProvider stringProvider
*/
public function testReadByte($content)
{
$streamReader = StreamReader::createByString($content);
$streamReader->reset(0, 100);
$this->assertEquals($content[0], $streamReader->readByte());
$this->assertEquals($content[1], $streamReader->readByte());
$this->assertEquals($content[5], $streamReader->readByte(5));
$streamReader->addOffset(1);
$this->assertEquals($content[7], $streamReader->readByte());
$this->assertEquals($content[6], $streamReader->readByte(6));
$this->assertEquals($content[102], $streamReader->readByte(102));
$this->assertFalse($streamReader->readByte($streamReader->getTotalLength()));
}
/**
* @dataProvider stringProvider
*/
public function testReadByteWithPos($content)
{
$streamReader = StreamReader::createByString($content);
$streamReader->reset(0, 10);
$this->assertEquals($content[50], $streamReader->readByte(50));
$streamReader->reset(0, 10);
$this->assertEquals($content[8], $streamReader->readByte(8));
$streamReader->reset(100);
$this->assertEquals($content[8], $streamReader->readByte(8));
$streamReader->reset(100);
$this->assertEquals($content[0], $streamReader->readByte(0));
$streamReader->reset(strlen($content) - 1);
$this->assertFalse($streamReader->readByte(strlen($content)));
}
/**
* @dataProvider stringProvider
*/
public function testReadBytes($content)
{
$streamReader = StreamReader::createByString($content);
$streamReader->reset(0, 100);
$this->assertEquals($content[0], $streamReader->readBytes(1));
$this->assertEquals($content[1], $streamReader->readBytes(1));
$this->assertEquals(substr($content, 2, 2), $streamReader->readBytes(2));
$this->assertEquals(substr($content, 4, 10), $streamReader->readBytes(10));
$this->assertEquals(substr($content, 14, 10), $streamReader->readBytes(10));
$this->assertEquals(substr($content, 24, 100), $streamReader->readBytes(100));
$streamReader->reset($streamReader->getTotalLength() - 50, 50);
$this->assertFalse($streamReader->readBytes(100));
//Test whether the end is readable
$streamReader->reset($streamReader->getTotalLength() - 50, 50);
$this->assertEquals(substr($content, $streamReader->getTotalLength()-50), $streamReader->readBytes(50));
}
/**
* @dataProvider stringProvider
*/
public function testReadBytesWithPos($content)
{
$streamReader = StreamReader::createByString($content);
$streamReader->reset(0, 10);
$this->assertEquals(substr($content, 50, 5), $streamReader->readBytes(5, 50));
$streamReader->reset(0, 10);
$this->assertEquals(substr($content, 8, 5), $streamReader->readBytes(5, 8));
$streamReader->reset(100);
$this->assertEquals(substr($content, 8, 5), $streamReader->readBytes(5, 8), 'Test 3');
$streamReader->reset(100);
$this->assertEquals(substr($content, 0, 5), $streamReader->readBytes(5, 0), 'Test 4');
}
/**
* @dataProvider stringProvider
*/
public function testEnsureContent($content)
{
$streamReader = StreamReader::createByString($content);
$this->assertTrue($streamReader->ensureContent());
$streamReader->reset(0, 100);
$streamReader->setOffset(100);
$this->assertEquals('', $streamReader->getBuffer());
$this->assertTrue($streamReader->ensureContent());
$this->assertEquals(substr($content, 100, 100), $streamReader->getBuffer());
}
public function testEnsureContentWithNoContent()
{
$streamReader = StreamReader::createByString('');
$this->assertFalse($streamReader->ensureContent());
}
public function testGetPosition()
{
$streamReader = StreamReader::createByString(str_repeat('abcdefghijklmnopqurstuvwxyz', 20));
$streamReader->reset(0, 100);
$this->assertEquals(0, $streamReader->getPosition());
$streamReader->reset(10, 100);
$this->assertEquals(10, $streamReader->getPosition());
}
}