/**
* test that clear() doesn't wipe files not in the current engine's prefix.
*
* @return void
*/
public function testClearWithPrefixes()
{
$FileOne = new FileEngine();
$FileOne->init(array('prefix' => 'prefix_one_', 'duration' => DAY));
$FileTwo = new FileEngine();
$FileTwo->init(array('prefix' => 'prefix_two_', 'duration' => DAY));
$data1 = $data2 = $expected = 'content to cache';
$FileOne->write('prefix_one_key_one', $data1, DAY);
$FileTwo->write('prefix_two_key_two', $data2, DAY);
$this->assertEquals($FileOne->read('prefix_one_key_one'), $expected);
$this->assertEquals($FileTwo->read('prefix_two_key_two'), $expected);
$FileOne->clear(false);
$this->assertEquals($FileTwo->read('prefix_two_key_two'), $expected, 'secondary config was cleared by accident.');
$FileTwo->clear(false);
}
/**
* Test that clear() also removes files with group tags.
*
* @return void
*/
public function testClearWithGroups()
{
$engine = new FileEngine();
$engine->init(array('prefix' => 'cake_test_', 'duration' => DAY, 'groups' => array('short', 'round')));
$key = 'cake_test_test_key';
$engine->write($key, 'it works', DAY);
$engine->clear(false);
$this->assertFalse($engine->read($key), 'Key should have been removed');
}