VariableFrontendTest.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Core\Tests\Unit\Cache\Frontend;
 
use ‪TYPO3\CMS\Core\Cache\Backend\AbstractBackend;
use ‪TYPO3\CMS\Core\Cache\Frontend\VariableFrontend;
use TYPO3\TestingFramework\Core\Unit\UnitTestCase;
 
class ‪VariableFrontendTest extends UnitTestCase
{
    public function ‪setChecksIfTheIdentifierIsValid(): void
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionCode(1233058264);
 
        $cache = $this->getMockBuilder(VariableFrontend::class)
            ->onlyMethods(['isValidEntryIdentifier'])
            ->disableOriginalConstructor()
            ->getMock();
        $cache->expects(self::once())->method('isValidEntryIdentifier')->with('foo')->willReturn(false);
        $cache->set('foo', 'bar');
    }
 
    public function ‪setPassesSerializedStringToBackend(): void
    {
        $theString = 'Just some value';
        $backend = $this->getMockBuilder(AbstractBackend::class)
            ->onlyMethods(['get', 'set', 'has', 'remove', 'flush', 'collectGarbage'])
            ->addMethods(['findIdentifiersByTag', 'flushByTag'])
            ->disableOriginalConstructor()
            ->getMock();
        $backend->expects(self::once())->method('set')->with(self::equalTo('VariableCacheTest'), self::equalTo(serialize($theString)));
 
        $cache = new ‪VariableFrontend('VariableFrontend', $backend);
        $cache->set('VariableCacheTest', $theString);
    }
 
    public function ‪setPassesSerializedArrayToBackend(): void
    {
        $theArray = ['Just some value', 'and another one.'];
        $backend = $this->getMockBuilder(AbstractBackend::class)
            ->onlyMethods(['get', 'set', 'has', 'remove', 'flush', 'collectGarbage'])
            ->addMethods(['findIdentifiersByTag', 'flushByTag'])
            ->disableOriginalConstructor()
            ->getMock();
        $backend->expects(self::once())->method('set')->with(self::equalTo('VariableCacheTest'), self::equalTo(serialize($theArray)));
 
        $cache = new ‪VariableFrontend('VariableFrontend', $backend);
        $cache->set('VariableCacheTest', $theArray);
    }
 
    public function ‪setPassesLifetimeToBackend(): void
    {
        $theString = 'Just some value';
        $theLifetime = 1234;
        $backend = $this->getMockBuilder(AbstractBackend::class)
            ->onlyMethods(['get', 'set', 'has', 'remove', 'flush', 'collectGarbage'])
            ->addMethods(['findIdentifiersByTag', 'flushByTag'])
            ->disableOriginalConstructor()
            ->getMock();
        $backend->expects(self::once())->method('set')->with(self::equalTo('VariableCacheTest'), self::equalTo(serialize($theString)), self::equalTo([]), self::equalTo($theLifetime));
 
        $cache = new ‪VariableFrontend('VariableFrontend', $backend);
        $cache->set('VariableCacheTest', $theString, [], $theLifetime);
    }
 
    public function ‪getFetchesStringValueFromBackend(): void
    {
        $backend = $this->getMockBuilder(AbstractBackend::class)
            ->onlyMethods(['get', 'set', 'has', 'remove', 'flush', 'collectGarbage'])
            ->addMethods(['findIdentifiersByTag', 'flushByTag'])
            ->disableOriginalConstructor()
            ->getMock();
        $backend->expects(self::once())->method('get')->willReturn(serialize('Just some value'));
 
        $cache = new ‪VariableFrontend('VariableFrontend', $backend);
        self::assertEquals('Just some value', $cache->get('VariableCacheTest'), 'The returned value was not the expected string.');
    }
 
    public function ‪getFetchesArrayValueFromBackend(): void
    {
        $theArray = ['Just some value', 'and another one.'];
        $backend = $this->getMockBuilder(AbstractBackend::class)
            ->onlyMethods(['get', 'set', 'has', 'remove', 'flush', 'collectGarbage'])
            ->addMethods(['findIdentifiersByTag', 'flushByTag'])
            ->disableOriginalConstructor()
            ->getMock();
        $backend->expects(self::once())->method('get')->willReturn(serialize($theArray));
 
        $cache = new ‪VariableFrontend('VariableFrontend', $backend);
        self::assertEquals($theArray, $cache->get('VariableCacheTest'), 'The returned value was not the expected unserialized array.');
    }
 
    public function ‪getFetchesFalseBooleanValueFromBackend(): void
    {
        $backend = $this->getMockBuilder(AbstractBackend::class)
            ->onlyMethods(['get', 'set', 'has', 'remove', 'flush', 'collectGarbage'])
            ->addMethods(['findIdentifiersByTag', 'flushByTag'])
            ->disableOriginalConstructor()
            ->getMock();
        $backend->expects(self::once())->method('get')->willReturn(serialize(false));
 
        $cache = new ‪VariableFrontend('VariableFrontend', $backend);
        self::assertFalse($cache->get('VariableCacheTest'), 'The returned value was not the FALSE.');
    }
 
    public function ‪hasReturnsResultFromBackend(): void
    {
        $backend = $this->getMockBuilder(AbstractBackend::class)
            ->onlyMethods(['get', 'set', 'has', 'remove', 'flush', 'collectGarbage'])
            ->addMethods(['findIdentifiersByTag', 'flushByTag'])
            ->disableOriginalConstructor()
            ->getMock();
        $backend->expects(self::once())->method('has')->with(self::equalTo('VariableCacheTest'))->willReturn(true);
 
        $cache = new ‪VariableFrontend('VariableFrontend', $backend);
        self::assertTrue($cache->has('VariableCacheTest'), 'has() did not return TRUE.');
    }
 
    public function ‪removeCallsBackend(): void
    {
        $cacheIdentifier = 'someCacheIdentifier';
        $backend = $this->getMockBuilder(AbstractBackend::class)
            ->onlyMethods(['get', 'set', 'has', 'remove', 'flush', 'collectGarbage'])
            ->addMethods(['findIdentifiersByTag', 'flushByTag'])
            ->disableOriginalConstructor()
            ->getMock();
 
        $backend->expects(self::once())->method('remove')->with(self::equalTo($cacheIdentifier))->willReturn(true);
 
        $cache = new ‪VariableFrontend('VariableFrontend', $backend);
        self::assertTrue($cache->remove($cacheIdentifier), 'remove() did not return TRUE');
    }
}