public function outputFrontend(UnitTester $I)
{
$I->wantTo("Use File cache with Output frontend");
for ($i = 0; $i < 2; $i++) {
$time = date('H:i:s');
$frontCache = new Output(['lifetime' => 2]);
$cache = new File($frontCache, ['cacheDir' => PATH_CACHE, 'prefix' => 'unit_']);
// on the second run set useSafeKey to true to test the compatibility toggle
if ($i == 1) {
$cache->useSafeKey(true);
}
$I->assertFalse($cache->isStarted());
ob_start();
// First time cache
$content = $cache->start('test_output');
$I->assertTrue($cache->isStarted());
if ($content !== null) {
$I->assertTrue(false);
}
echo $time;
$cache->save(null, null, null, true);
$obContent = ob_get_contents();
ob_end_clean();
$I->assertEquals($time, $obContent);
$I->amInPath(PATH_CACHE);
$I->seeFileFound('unit_' . $cache->getKey('test_output'));
// Same cache
$content = $cache->start('test_output');
$I->assertTrue($cache->isStarted());
if ($content === null) {
$I->assertTrue(false);
}
$I->assertEquals($time, $obContent);
// Refresh cache
sleep(3);
$time2 = date('H:i:s');
ob_start();
$content = $cache->start('test_output');
$I->assertTrue($cache->isStarted());
if ($content !== null) {
$I->assertTrue(false);
}
echo $time2;
$cache->save(null, null, null, true);
$obContent2 = ob_get_contents();
ob_end_clean();
$I->assertNotEquals($time, $obContent2);
$I->assertEquals($time2, $obContent2);
// Check keys
$actual = $cache->queryKeys();
$I->assertTrue(2 === count($actual));
$I->assertArrayHasKey('.gitignore', array_flip($actual));
$I->assertArrayHasKey('unit_' . $cache->getKey('test_output'), array_flip($actual));
$I->assertTrue($cache->exists('test_output'));
$I->assertTrue($cache->delete('test_output'));
// Delete cache
$I->dontSeeFileFound('unit_' . $cache->getKey('test_output'));
}
}
public function useSafeKey($useSafeKey)
{
return parent::useSafeKey($useSafeKey);
}
