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<?php
/**
* Copyright 2013-2016 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (PHP). If you
* did not receive this file, see http://www.php.net/license/3_01.txt.
*
* @category Horde
* @copyright 2013 Horde LLC
* @license http://www.php.net/license/3_01.txt PHP 3.01
* @package horde_lz4
* @subpackage UnitTests
*/
/**
* Tests for the horde_lz4 extension.
*
* @author Michael Slusarz <slusarz@horde.org>
* @category Horde
* @copyright 2013 Horde LLC
* @ignore
* @license http://www.php.net/license/3_01.txt PHP 3.01
* @package horde_lz4
* @subpackage UnitTests
*/
class horde_lz4_UnitTest extends Horde_Test_Case
{
private $data;
public function setUp(): void
{
if (!extension_loaded('horde_lz4')) {
$this->markTestSkipped('horde_lz4 extension not installed.');
}
$this->data = file_get_contents(__DIR__ . '/fixtures/data.txt');
}
// Test horde_lz4_compress() function : basic functionality
public function testCompressBasic()
{
// Compressing a big string
$output = horde_lz4_compress($this->data);
$this->assertEquals(
0,
strcmp(horde_lz4_uncompress($output), $this->data)
);
// Compressing a smaller string
$smallstring = "A small string to compress\n";
$output = horde_lz4_compress($smallstring);
$this->assertEquals(
0,
strcmp(horde_lz4_uncompress($output), $smallstring)
);
}
// Test horde_lz4_compress() function : error conditions
public function testCompressErrorConditionOne()
{
$this->expectException('PHPUnit\Framework\Error\Warning');
// Zero arguments
horde_lz4_compress();
}
// Test horde_lz4_compress() function : error conditions
public function testCompressErrorConditionTwo()
{
$this->expectException('PHPUnit\Framework\Error\Warning');
// Test horde_lz4_compress with one more than the expected number
// of arguments
$data = 'string_val';
$extra_arg = 10;
horde_lz4_compress($data, false, $extra_arg);
}
// Test horde_lz4_compress() function : error conditions
public function testCompressErrorConditionThree()
{
$this->expectException('PHPUnit\Framework\Error\Warning');
horde_lz4_compress(new stdClass);
}
// Test horde_lz4_compress() function : variation
public function testCompressVariation()
{
$output = horde_lz4_compress($this->data);
$this->assertNotEquals(
md5($output),
md5(horde_lz4_compress($output))
);
}
// Test horde_lz4_uncompress() function : basic functionality
public function testUncompressBasic()
{
$compressed = horde_lz4_compress($this->data);
$this->assertEquals(
0,
strcmp($this->data, horde_lz4_uncompress($compressed))
);
}
// Test horde_lz4_uncompress() function : error conditions
public function testUncompressErrorConditionOne()
{
$this->expectException('PHPUnit\Framework\Error\Warning');
// Zero arguments
horde_lz4_uncompress();
}
// Test horde_lz4_uncompress() function : error conditions
public function testUncompressErrorConditionTwo()
{
$this->expectException('PHPUnit\Framework\Error\Warning');
// Test horde_lz4_uncompress with one more than the expected number
// of arguments
$data = 'string_val';
$extra_arg = 10;
horde_lz4_uncompress($data, $extra_arg);
}
// Test horde_lz4_uncompress() function : error conditions
public function testUncompressErrorConditionThree()
{
$this->expectException('PHPUnit\Framework\Error\Warning');
horde_lz4_uncompress(new stdClass);
}
// Test horde_lz4_uncompress() function : error conditions
public function testUncompressErrorConditionFour()
{
$this->expectException('PHPUnit\Framework\Error\Warning');
// Testing with incorrect arguments
horde_lz4_uncompress(123);
}
// Test horde_lz4_compress() function : high compression
public function testHighCompression()
{
// Compressing a big string
$output = horde_lz4_compress($this->data, true);
$this->assertEquals(
0,
strcmp(horde_lz4_uncompress($output), $this->data)
);
// Compressing a smaller string
$smallstring = "A small string to compress\n";
$output = horde_lz4_compress($smallstring, true);
$this->assertEquals(
0,
strcmp(horde_lz4_uncompress($output), $smallstring)
);
}
// Test horde_lz4_uncompress() function : bad input (non-lz4 data)
public function testUncompressBadInput()
{
// Bad data is missing the Horde-LZ4 header and is not LZ4 data.
$bad_data = "12345678";
$this->assertFalse(horde_lz4_uncompress($bad_data));
}
}
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