StringFrontendTest.php

Go to the documentation of this file.

<?php
namespace TYPO3\CMS\Core\Tests\Unit\Cache\Frontend;

class StringFrontendTest extends \TYPO3\CMS\Core\Tests\UnitTestCase {

    public function setChecksIfTheIdentifierIsValid() {
        $cache = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Frontend\\StringFrontend', array('isValidEntryIdentifier'), array(), '', FALSE);
        $cache->expects($this->once())->method('isValidEntryIdentifier')->with('foo')->will($this->returnValue(FALSE));
        $cache->set('foo', 'bar');
    }

    public function setPassesStringToBackend() {
        $theString = 'Just some value';
        $backend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\AbstractBackend', array('get', 'set', 'has', 'remove', 'findIdentifiersByTag', 'flush', 'flushByTag', 'collectGarbage'), array(), '', FALSE);
        $backend->expects($this->once())->method('set')->with($this->equalTo('StringCacheTest'), $this->equalTo($theString));
        $cache = new \TYPO3\CMS\Core\Cache\Frontend\StringFrontend('StringFrontend', $backend);
        $cache->set('StringCacheTest', $theString);
    }

    public function setPassesLifetimeToBackend() {
        $theString = 'Just some value';
        $theLifetime = 1234;
        $backend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\AbstractBackend', array('get', 'set', 'has', 'remove', 'findIdentifiersByTag', 'flush', 'flushByTag', 'collectGarbage'), array(), '', FALSE);
        $backend->expects($this->once())->method('set')->with($this->equalTo('StringCacheTest'), $this->equalTo($theString), $this->equalTo(array()), $this->equalTo($theLifetime));
        $cache = new \TYPO3\CMS\Core\Cache\Frontend\StringFrontend('StringFrontend', $backend);
        $cache->set('StringCacheTest', $theString, array(), $theLifetime);
    }

    public function setThrowsInvalidDataExceptionOnNonStringValues() {
        $backend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\AbstractBackend', array('get', 'set', 'has', 'remove', 'findIdentifiersByTag', 'flush', 'flushByTag', 'collectGarbage'), array(), '', FALSE);
        $cache = new \TYPO3\CMS\Core\Cache\Frontend\StringFrontend('StringFrontend', $backend);
        $cache->set('StringCacheTest', array());
    }

    public function getFetchesStringValueFromBackend() {
        $backend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\AbstractBackend', array('get', 'set', 'has', 'remove', 'findIdentifiersByTag', 'flush', 'flushByTag', 'collectGarbage'), array(), '', FALSE);
        $backend->expects($this->once())->method('get')->will($this->returnValue('Just some value'));
        $cache = new \TYPO3\CMS\Core\Cache\Frontend\StringFrontend('StringFrontend', $backend);
        $this->assertEquals('Just some value', $cache->get('StringCacheTest'), 'The returned value was not the expected string.');
    }

    public function hasReturnsResultFromBackend() {
        $backend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\AbstractBackend', array('get', 'set', 'has', 'remove', 'findIdentifiersByTag', 'flush', 'flushByTag', 'collectGarbage'), array(), '', FALSE);
        $backend->expects($this->once())->method('has')->with($this->equalTo('StringCacheTest'))->will($this->returnValue(TRUE));
        $cache = new \TYPO3\CMS\Core\Cache\Frontend\StringFrontend('StringFrontend', $backend);
        $this->assertTrue($cache->has('StringCacheTest'), 'has() did not return TRUE.');
    }

    public function removeCallsBackend() {
        $cacheIdentifier = 'someCacheIdentifier';
        $backend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\AbstractBackend', array('get', 'set', 'has', 'remove', 'findIdentifiersByTag', 'flush', 'flushByTag', 'collectGarbage'), array(), '', FALSE);
        $backend->expects($this->once())->method('remove')->with($this->equalTo($cacheIdentifier))->will($this->returnValue(TRUE));
        $cache = new \TYPO3\CMS\Core\Cache\Frontend\StringFrontend('StringFrontend', $backend);
        $this->assertTrue($cache->remove($cacheIdentifier), 'remove() did not return TRUE');
    }

    public function getByTagRejectsInvalidTags() {
        $backend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\BackendInterface', array(), array(), '', FALSE);
        $backend->expects($this->never())->method('getByTag');
        $cache = new \TYPO3\CMS\Core\Cache\Frontend\StringFrontend('StringFrontend', $backend);
        $cache->getByTag('SomeInvalid\\Tag');
    }

    public function getByTagCallsBackend() {
        $tag = 'sometag';
        $identifiers = array('one', 'two');
        $entries = array('one value', 'two value');
        $backend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\AbstractBackend', array('get', 'set', 'has', 'remove', 'findIdentifiersByTag', 'flush', 'flushByTag', 'collectGarbage'), array(), '', FALSE);
        $backend->expects($this->once())->method('findIdentifiersByTag')->with($this->equalTo($tag))->will($this->returnValue($identifiers));
        $backend->expects($this->exactly(2))->method('get')->will($this->onConsecutiveCalls('one value', 'two value'));
        $cache = new \TYPO3\CMS\Core\Cache\Frontend\StringFrontend('StringFrontend', $backend);
        $this->assertEquals($entries, $cache->getByTag($tag), 'Did not receive the expected entries');
    }

}