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<?php
namespace Shaarli;
use Exception;
/**
* Class FileUtilsTest
*
* Test file utility class.
*/
class FileUtilsTest extends \PHPUnit\Framework\TestCase
{
/**
* @var string Test file path.
*/
protected static $file = 'sandbox/flat.db';
/**
* Delete test file after every test.
*/
protected function tearDown(): void
{
@unlink(self::$file);
}
/**
* Test writeDB, then readDB with different data.
*/
public function testSimpleWriteRead()
{
$data = ['blue', 'red'];
$this->assertTrue(FileUtils::writeFlatDB(self::$file, $data) > 0);
$this->assertTrue(startsWith(file_get_contents(self::$file), '<?php /*'));
$this->assertEquals($data, FileUtils::readFlatDB(self::$file));
$data = 0;
$this->assertTrue(FileUtils::writeFlatDB(self::$file, $data) > 0);
$this->assertEquals($data, FileUtils::readFlatDB(self::$file));
$data = null;
$this->assertTrue(FileUtils::writeFlatDB(self::$file, $data) > 0);
$this->assertEquals($data, FileUtils::readFlatDB(self::$file));
$data = false;
$this->assertTrue(FileUtils::writeFlatDB(self::$file, $data) > 0);
$this->assertEquals($data, FileUtils::readFlatDB(self::$file));
}
/**
* File not writable: raise an exception.
*
* @expectedException Shaarli\Exceptions\IOException
* @expectedExceptionMessage Error accessing "sandbox/flat.db"
*/
public function testWriteWithoutPermission()
{
touch(self::$file);
chmod(self::$file, 0440);
FileUtils::writeFlatDB(self::$file, null);
}
/**
* Folder non existent: raise an exception.
*
* @expectedException Shaarli\Exceptions\IOException
* @expectedExceptionMessage Error accessing "nopefolder"
*/
public function testWriteFolderDoesNotExist()
{
FileUtils::writeFlatDB('nopefolder/file', null);
}
/**
* Folder non writable: raise an exception.
*
* @expectedException Shaarli\Exceptions\IOException
* @expectedExceptionMessage Error accessing "sandbox"
*/
public function testWriteFolderPermission()
{
chmod(dirname(self::$file), 0555);
try {
FileUtils::writeFlatDB(self::$file, null);
} catch (Exception $e) {
chmod(dirname(self::$file), 0755);
throw $e;
}
}
/**
* Read non existent file, use default parameter.
*/
public function testReadNotExistentFile()
{
$this->assertEquals(null, FileUtils::readFlatDB(self::$file));
$this->assertEquals(['test'], FileUtils::readFlatDB(self::$file, ['test']));
}
/**
* Read non readable file, use default parameter.
*/
public function testReadNotReadable()
{
touch(self::$file);
chmod(self::$file, 0220);
$this->assertEquals(null, FileUtils::readFlatDB(self::$file));
$this->assertEquals(['test'], FileUtils::readFlatDB(self::$file, ['test']));
}
}
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