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<?php
use dokuwiki\Cache\CacheRenderer;
/**
* Class cache_use_test
*
* Tests if caching can actually be used
*
* @todo tests marked as flaky until Ticket #694 has been fixed
*/
class cache_use_test extends DokuWikiTest {
/** @var CacheRenderer $cache */
private $cache;
function setUp() {
global $ID, $conf;
parent::setUp();
$ID = 'cached';
$file = wikiFN($ID);
$conf['cachetime'] = 0; // ensure the value is not -1, which disables caching
saveWikiText($ID, 'Content', 'Created');
$this->cache = new CacheRenderer($ID, $file, 'xhtml');
$this->cache->storeCache('Test');
// set the modification times explicitly (overcome Issue #694)
$time = time();
touch($file, $time-1);
touch($this->cache->cache, $time);
}
/**
* In all the following tests the cache should not be usable
* as such, they are meaningless if test_use didn't pass.
*
* @group flaky
*/
function test_purge() {
/* @var Input $INPUT */
global $INPUT;
$INPUT->set('purge',1);
$this->assertFalse($this->cache->useCache());
$this->assertNotEmpty($this->cache->depends['purge']);
}
/**
* @group flaky
*/
function test_filedependency() {
// give the dependent src file the same mtime as the cache
touch($this->cache->file, filemtime($this->cache->cache));
$this->assertFalse($this->cache->useCache());
}
/**
* @group flaky
*/
function test_age() {
// need to age both our source file & the cache
$age = 10;
$time = time() - $age - 1; // older than age
touch($this->cache->file, $time - 1);
touch($this->cache->cache, $time);
$this->assertFalse($this->cache->useCache(array('age' => $age)));
}
/**
* @group flaky
*/
function test_confnocaching() {
global $conf;
$conf['cachetime'] = -1; // disables renderer caching
$this->assertFalse($this->cache->useCache());
$this->assertNotEmpty($this->cache->isNoCache());
}
}
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