PhpFrontendTest.php

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

class PhpFrontendTest 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 setPassesPhpSourceCodeTagsAndLifetimeToBackend() {
        $originalSourceCode = 'return "hello world!";';
        $modifiedSourceCode = '<?php' . chr(10) . $originalSourceCode . chr(10) . '#';
        $mockBackend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\PhpCapableBackendInterface', array(), array(), '', FALSE);
        $mockBackend->expects($this->once())->method('set')->with('Foo-Bar', $modifiedSourceCode, array('tags'), 1234);
        $cache = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\Cache\\Frontend\\PhpFrontend', 'PhpFrontend', $mockBackend);
        $cache->set('Foo-Bar', $originalSourceCode, array('tags'), 1234);
    }

    public function setThrowsInvalidDataExceptionOnNonStringValues() {
        $cache = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Frontend\\PhpFrontend', array('dummy'), array(), '', FALSE);
        $cache->set('Foo-Bar', array());
    }

    public function requireOnceCallsTheBackendsRequireOnceMethod() {
        $mockBackend = $this->getMock('TYPO3\\CMS\\Core\\Cache\\Backend\\PhpCapableBackendInterface', array(), array(), '', FALSE);
        $mockBackend->expects($this->once())->method('requireOnce')->with('Foo-Bar')->will($this->returnValue('hello world!'));
        $cache = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\Cache\\Frontend\\PhpFrontend', 'PhpFrontend', $mockBackend);
        $result = $cache->requireOnce('Foo-Bar');
        $this->assertSame('hello world!', $result);
    }

}