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<?php
use Prado\Caching\TFileCacheDependency;
/**
* @package System.Caching
*/
class TFileCacheDependencyTest extends PHPUnit_Framework_TestCase
{
public function setUp()
{
}
public function tearDown()
{
}
public function testFileName()
{
$dependency=new TFileCacheDependency(__FILE__);
$this->assertEquals($dependency->getFileName(),__FILE__);
$this->assertEquals($dependency->getTimestamp(),filemtime(__FILE__));
$dependency=new TFileCacheDependency(dirname(__FILE__).'/foo.txt');
$this->assertFalse($dependency->getTimestamp());
}
public function testHasChanged()
{
$tempFile=dirname(__FILE__).'/temp/foo.txt';
@unlink($tempFile);
$fw=fopen($tempFile,"w");
fwrite($fw,"test");
fclose($fw);
clearstatcache();
$dependency=new TFileCacheDependency($tempFile);
$str=serialize($dependency);
// test file not changed
sleep(2);
$dependency=unserialize($str);
$this->assertFalse($dependency->getHasChanged());
// change file
$fw=fopen($tempFile,"w");
fwrite($fw,"test again");
fclose($fw);
clearstatcache();
// test file changed
sleep(2);
$dependency=unserialize($str);
$this->assertTrue($dependency->getHasChanged());
@unlink($tempFile);
}
}
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