AbstractFrontendTest.php

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

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

    public function theConstructorAcceptsValidIdentifiers() {
        $mockBackend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\AbstractBackend', array('get', 'set', 'has', 'remove', 'findIdentifiersByTag', 'flush', 'flushByTag', 'collectGarbage'), array(), '', FALSE);
        foreach (array('x', 'someValue', '123fivesixseveneight', 'some&', 'ab_cd%', rawurlencode('resource://some/äöü$&% sadf'), str_repeat('x', 250)) as $identifier) {
            $abstractCache = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Frontend\\StringFrontend', array('__construct', 'get', 'set', 'has', 'remove', 'getByTag', 'flush', 'flushByTag', 'collectGarbage'), array($identifier, $mockBackend));
        }
    }

    public function theConstructorRejectsInvalidIdentifiers() {
        $mockBackend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\AbstractBackend', array('get', 'set', 'has', 'remove', 'findIdentifiersByTag', 'flush', 'flushByTag', 'collectGarbage'), array(), '', FALSE);
        foreach (array('', 'abc def', 'foo!', 'bar:', 'some/', 'bla*', 'one+', 'äöü', str_repeat('x', 251), 'x$', '\\a', 'b#') as $identifier) {
            try {
                $abstractCache = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Frontend\\StringFrontend', array('__construct', 'get', 'set', 'has', 'remove', 'getByTag', 'flush', 'flushByTag', 'collectGarbage'), array($identifier, $mockBackend));
                $this->fail('Identifier "' . $identifier . '" was not rejected.');
            } catch (\InvalidArgumentException $exception) {

            }
        }
    }

    public function flushCallsBackend() {
        $identifier = '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('flush');
        $cache = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Frontend\\StringFrontend', array('__construct', 'get', 'set', 'has', 'remove', 'getByTag'), array($identifier, $backend));
        $cache->flush();
    }

    public function flushByTagRejectsInvalidTags() {
        $identifier = 'someCacheIdentifier';
        $backend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\BackendInterface', array(), array(), '', FALSE);
        $backend->expects($this->never())->method('flushByTag');
        $cache = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Frontend\\StringFrontend', array('__construct', 'get', 'set', 'has', 'remove', 'getByTag'), array($identifier, $backend));
        $cache->flushByTag('SomeInvalid\\Tag');
    }

    public function flushByTagCallsBackendIfItIsATaggableBackend() {
        $tag = 'sometag';
        $identifier = 'someCacheIdentifier';
        $backend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\TaggableBackendInterface', array('setCache', 'get', 'set', 'has', 'remove', 'findIdentifiersByTag', 'flush', 'flushByTag', 'collectGarbage'), array(), '', FALSE);
        $backend->expects($this->once())->method('flushByTag')->with($tag);
        $cache = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Frontend\\StringFrontend', array('__construct', 'get', 'set', 'has', 'remove', 'getByTag'), array($identifier, $backend));
        $cache->flushByTag($tag);
    }

    public function collectGarbageCallsBackend() {
        $identifier = '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('collectGarbage');
        $cache = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Frontend\\StringFrontend', array('__construct', 'get', 'set', 'has', 'remove', 'getByTag'), array($identifier, $backend));
        $cache->collectGarbage();
    }

    public function getClassTagRendersTagWhichCanBeUsedToTagACacheEntryWithACertainClass() {
        $identifier = 'someCacheIdentifier';
        $backend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\AbstractBackend', array('get', 'set', 'has', 'remove', 'findIdentifiersByTag', 'flush', 'flushByTag', 'collectGarbage'), array(), '', FALSE);
        $cache = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Frontend\\StringFrontend', array('__construct', 'get', 'set', 'has', 'remove', 'getByTag'), array($identifier, $backend));
        $this->assertEquals('%CLASS%F3_Foo_Bar_Baz', \TYPO3\CMS\Core\Cache\CacheManager::getClassTag('F3\\Foo\\Bar\\Baz'));
    }

    public function invalidEntryIdentifiersAreRecognizedAsInvalid() {
        $identifier = 'someCacheIdentifier';
        $backend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\AbstractBackend', array(), array(), '', FALSE);
        $cache = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Frontend\\StringFrontend', array('__construct', 'get', 'set', 'has', 'remove', 'getByTag'), array($identifier, $backend));
        foreach (array('', 'abc def', 'foo!', 'bar:', 'some/', 'bla*', 'one+', 'äöü', str_repeat('x', 251), 'x$', '\\a', 'b#') as $entryIdentifier) {
            $this->assertFalse($cache->isValidEntryIdentifier($entryIdentifier), 'Invalid identifier "' . $entryIdentifier . '" was not rejected.');
        }
    }

    public function validEntryIdentifiersAreRecognizedAsValid() {
        $identifier = 'someCacheIdentifier';
        $backend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\AbstractBackend', array(), array(), '', FALSE);
        $cache = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Frontend\\StringFrontend', array('__construct', 'get', 'set', 'has', 'remove', 'getByTag'), array($identifier, $backend));
        foreach (array('_', 'abcdef', 'foo', 'bar123', '3some', '_bl_a', 'some&', 'one%TWO', str_repeat('x', 250)) as $entryIdentifier) {
            $this->assertTrue($cache->isValidEntryIdentifier($entryIdentifier), 'Valid identifier "' . $entryIdentifier . '" was not accepted.');
        }
    }

    public function invalidTagsAreRecognizedAsInvalid() {
        $identifier = 'someCacheIdentifier';
        $backend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\AbstractBackend', array(), array(), '', FALSE);
        $cache = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Frontend\\StringFrontend', array('__construct', 'get', 'set', 'has', 'remove', 'getByTag'), array($identifier, $backend));
        foreach (array('', 'abc def', 'foo!', 'bar:', 'some/', 'bla*', 'one+', 'äöü', str_repeat('x', 251), 'x$', '\\a', 'b#') as $tag) {
            $this->assertFalse($cache->isValidTag($tag), 'Invalid tag "' . $tag . '" was not rejected.');
        }
    }

    public function validTagsAreRecognizedAsValid() {
        $identifier = 'someCacheIdentifier';
        $backend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\AbstractBackend', array(), array(), '', FALSE);
        $cache = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Frontend\\StringFrontend', array('__construct', 'get', 'set', 'has', 'remove', 'getByTag'), array($identifier, $backend));
        foreach (array('abcdef', 'foo-bar', 'foo_baar', 'bar123', '3some', 'file%Thing', 'some&', '%x%', str_repeat('x', 250)) as $tag) {
            $this->assertTrue($cache->isValidTag($tag), 'Valid tag "' . $tag . '" was not accepted.');
        }
    }

}