RteHtmlParserTest.php

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<?php
namespace TYPO3\CMS\Core\Tests\Unit\Html;

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

    protected $fixture = NULL;

    public function setUp() {
        $this->fixture = new \TYPO3\CMS\Core\Html\RteHtmlParser();
        $this->fixture->procOptions = array(
            'dontConvBRtoParagraph' => '1',
            'preserveDIVSections' => '1',
            'allowTagsOutside' => 'hr, address',
            'disableUnifyLineBreaks' => '0',
            'overruleMode' => 'ts_css'
        );
    }

    public static function hrTagCorrectlyTransformedOnWayToDataBaseDataProvider() {
        return array(
            'Single hr' => array(
                '<hr />',
                '<hr />',
            ),
            'Non-xhtml single hr' => array(
                '<hr/>',
                '<hr />',
            ),
            'Double hr' => array(
                '<hr /><hr />',
                '<hr />' . CRLF . '<hr />',
            ),
            'Linebreak followed by hr' => array(
                CRLF . '<hr />',
                '<hr />',
            ),
            'White space followed by hr' => array(
                ' <hr />',
                ' ' . CRLF . '<hr />',
            ),
            'White space followed linebreak and hr' => array(
                ' ' . CRLF . '<hr />',
                ' ' . CRLF . '<hr />',
            ),
            'br followed by hr' => array(
                '<br /><hr />',
                '<br />' . CRLF . '<hr />',
            ),
            'br followed by linebreak and hr' => array(
                '<br />' . CRLF . '<hr />',
                '<br />' . CRLF . '<hr />',
            ),
            'Preserved div followed by hr' => array(
                '<div>Some text</div><hr />',
                '<div>Some text</div>' . CRLF . '<hr />',
            ),
            'Preserved div followed by linebreak and hr' => array(
                '<div>Some text</div>' . CRLF . '<hr />',
                '<div>Some text</div>' . CRLF . '<hr />',
            ),
            'h1 followed by linebreak and hr' => array(
                '<h1>Some text</h1>' . CRLF . '<hr />',
                '<h1>Some text</h1>' . CRLF . '<hr />',
            ),
            'Paragraph followed by linebreak and hr' => array(
                '<p>Some text</p>' . CRLF . '<hr />',
                'Some text' . CRLF . '<hr />',
            ),
            'Some text followed by hr' => array(
                'Some text<hr />',
                'Some text' . CRLF . '<hr />',
            ),
            'Some text followed by linebreak and hr' => array(
                'Some text' . CRLF . '<hr />',
                'Some text' . CRLF . '<hr />',
            ),
        );
    }

    public function hrTagCorrectlyTransformedOnWayToDataBase($content, $expectedResult) {
        $thisConfig = array('proc.' => $this->fixture->procOptions);
        $this->assertEquals($expectedResult, $this->fixture->RTE_transform($content, array(), 'db', $thisConfig));
    }

    public static function hrTagCorrectlyTransformedOnWayToDatabaseAndBackToRteProvider() {
        return array(
            'Single hr' => array(
                '<hr />',
                '<hr />',
            ),
            'Non-xhtml single hr' => array(
                '<hr/>',
                '<hr />',
            ),
            'Double hr' => array(
                '<hr /><hr />',
                '<hr />' . CRLF . '<hr />',
            ),
            'Linebreak followed by hr' => array(
                CRLF . '<hr />',
                '<hr />',
            ),
            'White space followed by hr' => array(
                ' <hr />',
                '<p>&nbsp;</p>' . CRLF . '<hr />',
            ),
            'White space followed by linebreak and hr' => array(
                ' ' . CRLF . '<hr />',
                '<p>&nbsp;</p>' . CRLF . '<hr />',
            ),
            'br followed by hr' => array(
                '<br /><hr />',
                '<p><br /></p>' . CRLF . '<hr />',
            ),
            'br followed by linebreak and hr' => array(
                '<br />' . CRLF . '<hr />',
                '<p><br /></p>' . CRLF . '<hr />',
            ),
            'Preserved div followed by hr' => array(
                '<div>Some text</div>' . '<hr />',
                '<div><p>Some text</p></div>' . CRLF . '<hr />',
            ),
            'Preserved div followed by linebreak and hr' => array(
                '<div>Some text</div>' . CRLF . '<hr />',
                '<div><p>Some text</p></div>' . CRLF . '<hr />',
            ),
            'h1 followed by linebreak and hr' => array(
                '<h1>Some text</h1>' . CRLF . '<hr />',
                '<h1>Some text</h1>' . CRLF . '<hr />',
            ),
            'Paragraph followed by linebreak and hr' => array(
                '<p>Some text</p>' . CRLF . '<hr />',
                '<p>Some text</p>' . CRLF . '<hr />',
            ),
            'Some text followed by hr' => array(
                'Some text<hr />',
                '<p>Some text</p>' . CRLF . '<hr />',
            ),
            'Some text followed by linebreak and hr' => array(
                'Some text' . CRLF . '<hr />',
                '<p>Some text</p>' . CRLF . '<hr />',
            ),
        );
    }

    public function hrTagCorrectlyTransformedOnWayToDatabaseAndBackToRte($content, $expectedResult) {
        $thisConfig = array('proc.' => $this->fixture->procOptions);
        $this->assertEquals($expectedResult, $this->fixture->RTE_transform($this->fixture->RTE_transform($content, array(), 'db', $thisConfig), array(), 'rte', $thisConfig));
    }

    public static function linkWithAtSignCorrectlyTransformedOnWayToRTEProvider() {
        return array(
            'external url with @ sign' => array(
                '<link http://www.example.org/at@sign>link text</link>',
                '<p><a href="http://www.example.org/at@sign" data-htmlarea-external="1">link text</a></p>'
            ),
            'email address with @ sign' => array(
                '<link name@example.org - mail "Opens window for sending email">link text</link>',
                '<p><a href="mailto:name@example.org" class="mail" title="Opens window for sending email">link text</a></p>'
            )
        );
    }

    public function linkWithAtSignCorrectlyTransformedOnWayToRTE($content, $expectedResult) {
        $thisConfig = array('proc.' => $this->fixture->procOptions);
        $this->assertEquals($expectedResult, $this->fixture->RTE_transform($content, array(), 'rte', $thisConfig));
    }

    public static function paragraphCorrectlyTransformedOnWayToDatabaseProvider() {
        return array(
            'Empty string' => array(
                '',
                '',
            ),
            'Linebreak' => array(
                CRLF,
                '',
            ),
            'Double linebreak' => array(
                CRLF . CRLF,
                '',
            ),
            'Empty paragraph' => array(
                '<p></p>',
                CRLF,
            ),
            'Double empty paragraph' => array(
                '<p></p><p></p>',
                CRLF . CRLF,
            ),
            'Spacing paragraph' => array(
                '<p>&nbsp;</p>',
                CRLF,
            ),
            'Double spacing paragraph' => array(
                '<p>&nbsp;</p>' . '<p>&nbsp;</p>',
                CRLF . CRLF,
            ),
            'Plain text' => array(
                'plain text',
                'plain text',
            ),
            'Plain text followed by linebreak' => array(
                'plain text' . CRLF,
                'plain text ',
            ),
            'Paragraph' => array(
                '<p>paragraph</p>',
                'paragraph',
            ),
            'Paragraph followed by paragraph' => array(
                '<p>paragraph1</p>' . '<p>paragraph2</p>',
                'paragraph1' . CRLF . 'paragraph2',
            ),
            'Paragraph followed by paragraph, linebreak-separated' => array(
                '<p>paragraph1</p>' . CRLF . '<p>paragraph2</p>',
                'paragraph1' . CRLF . 'paragraph2',
            ),
            'Double spacing paragraph with text' => array(
                '<p>&nbsp;</p><p>&nbsp;</p><p>paragraph1</p>',
                CRLF . CRLF . 'paragraph1',
            ),
            'Paragraph followed by linebreak' => array(
                '<p>paragraph</p>' . CRLF,
                'paragraph',
            ),
            'Paragraph followed by spacing paragraph' => array(
                '<p>paragraph</p>' . '<p>&nbsp;</p>',
                'paragraph' . CRLF . CRLF,
            ),
            'Paragraph followed by spacing paragraph, linebreak-separated' => array(
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>',
                'paragraph' . CRLF . CRLF,
            ),
            'Paragraph followed by double spacing paragraph' => array(
                '<p>paragraph</p>' . '<p>&nbsp;</p>' . '<p>&nbsp;</p>',
                'paragraph' . CRLF . CRLF . CRLF,
            ),
            'Paragraph followed by double spacing paragraph, linebreak-separated' => array(
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>',
                'paragraph' . CRLF . CRLF . CRLF,
            ),
            'Paragraph followed by spacing paragraph and by paragraph' => array(
                '<p>paragraph1</p>' . '<p>&nbsp;</p>' . '<p>paragraph2</p>',
                'paragraph1' . CRLF . CRLF . 'paragraph2',
            ),
            'Paragraph followed by spacing paragraph and by paragraph, linebreak-separated' => array(
                '<p>paragraph1</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>paragraph2</p>',
                'paragraph1' . CRLF . CRLF . 'paragraph2',
            ),
            'Paragraph followed by double spacing paragraph and by paragraph' => array(
                '<p>paragraph1</p>' . '<p>&nbsp;</p>' . '<p>&nbsp;</p>' . '<p>paragraph2</p>',
                'paragraph1' . CRLF . CRLF . CRLF . 'paragraph2',
            ),
            'Paragraph followed by double spacing paragraph and by paragraph, linebreak-separated' => array(
                '<p>paragraph1</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>paragraph2</p>',
                'paragraph1' . CRLF . CRLF . CRLF . 'paragraph2',
            ),
            'Paragraph followed by block' => array(
                '<p>paragraph</p>' . '<h1>block</h1>',
                'paragraph' . CRLF . '<h1>block</h1>',
            ),
            'Paragraph followed by block, linebreak-separated' => array(
                '<p>paragraph</p>' . CRLF . '<h1>block</h1>',
                'paragraph' . CRLF . '<h1>block</h1>',
            ),
            'Paragraph followed by spacing paragraph and block' => array(
                '<p>paragraph</p>' . '<p>&nbsp;</p>' . '<h1>block</h1>',
                'paragraph' . CRLF . CRLF . '<h1>block</h1>',
            ),
            'Paragraph followed by spacing paragraph and block, linebreak-separated' => array(
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block</h1>',
                'paragraph' . CRLF . CRLF . '<h1>block</h1>',
            ),
            'Paragraph followed by double spacing paragraph and block' => array(
                '<p>paragraph</p>' . '<p>&nbsp;</p>' . '<p>&nbsp;</p>' . '<h1>block</h1>',
                'paragraph' . CRLF . CRLF . CRLF . '<h1>block</h1>',
            ),
            'Paragraph followed by double spacing paragraph and block, linebreak-separated' => array(
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block</h1>',
                'paragraph' . CRLF . CRLF . CRLF . '<h1>block</h1>',
            ),
            'Block followed by block' => array(
                '<h1>block1</h1>' . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by block, linebreak-separated' => array(
                '<h1>block1</h1>' . CRLF . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by empty paragraph and block' => array(
                '<h1>block1</h1>' . '<p></p>' . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by empty paragraph aand block, linebreak-separated' => array(
                '<h1>block1</h1>' . CRLF . '<p></p>' . CRLF . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by spacing paragraph' => array(
                '<h1>block1</h1>' . '<p>&nbsp;</p>',
                '<h1>block1</h1>' . CRLF . CRLF,
            ),
            'Block followed by spacing paragraph, linebreak-separated' => array(
                '<h1>block1</h1>' . CRLF . '<p>&nbsp;</p>',
                '<h1>block1</h1>' . CRLF . CRLF,
            ),
            'Block followed by spacing paragraph and block' => array(
                '<h1>block1</h1>' . '<p>&nbsp;</p>' . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by spacing paragraph and block, linebreak-separated' => array(
                '<h1>block1</h1>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by double spacing paragraph and by block' => array(
                '<h1>block1</h1>' . '<p>&nbsp;</p>' . '<p>&nbsp;</p>' . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . CRLF . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by double spacing paragraph and by block, linebreak-separated' => array(
                '<h1>block1</h1>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . CRLF . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by paragraph and block' => array(
                '<h1>block1</h1>' . '<p>paragraph</p>' . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . 'paragraph' . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by paragraph and block, linebreak-separated' => array(
                '<h1>block1</h1>' . CRLF . '<p>paragraph</p>' . CRLF . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . 'paragraph' . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by paragraph, spacing paragraph and block' => array(
                '<h1>block1</h1>' . '<p>paragraph</p>' . '<p>&nbsp;</p>' . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . 'paragraph' . CRLF . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by paragraph, spacing paragraph and block, linebreak-separated' => array(
                '<h1>block1</h1>' . CRLF . '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . 'paragraph' . CRLF . CRLF . '<h1>block2</h1>',
            ),
        );
    }

    public function paragraphCorrectlyTransformedOnWayToDatabase($content, $expectedResult) {
        $thisConfig = array('proc.' => $this->fixture->procOptions);
        $this->assertEquals($expectedResult, $this->fixture->RTE_transform($content, array(), 'db', $thisConfig));
    }

    public static function lineBreakCorrectlyTransformedOnWayToRteProvider() {
        return array(
            'Empty string' => array(
                '',
                '',
            ),
            'Single linebreak' => array(
                CRLF,
                '<p>&nbsp;</p>',
            ),
            'Double linebreak' => array(
                CRLF . CRLF,
                '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>',
            ),
            'Triple linebreak' => array(
                CRLF . CRLF . CRLF,
                '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>',
            ),
            'Paragraph' => array(
                'paragraph',
                '<p>paragraph</p>',
            ),
            'Paragraph followed by single linebreak' => array(
                'paragraph' . CRLF,
                '<p>paragraph</p>',
            ),
            'Paragraph followed by double linebreak' => array(
                'paragraph' . CRLF . CRLF,
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>',
            ),
            'Paragraph followed by triple linebreak' => array(
                'paragraph' . CRLF . CRLF . CRLF,
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>',
            ),
            'Paragraph followed by paragraph' => array(
                'paragraph1' . CRLF . 'paragraph2',
                '<p>paragraph1</p>' . CRLF . '<p>paragraph2</p>',
            ),
            'Paragraph followed by double linebreak and paragraph' => array(
                'paragraph1' . CRLF . CRLF . 'paragraph2',
                '<p>paragraph1</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>paragraph2</p>',
            ),
            'Paragraph followed by triple linebreak and paragraph' => array(
                'paragraph1' . CRLF . CRLF . CRLF . 'paragraph2',
                '<p>paragraph1</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>paragraph2</p>',
            ),
            'Paragraph followed by block' => array(
                'paragraph' . '<h1>block</h1>',
                '<p>paragraph</p>' . CRLF . '<h1>block</h1>',
            ),
            'Paragraph followed by linebreak and block' => array(
                'paragraph' . CRLF . '<h1>block</h1>',
                '<p>paragraph</p>' . CRLF . '<h1>block</h1>',
            ),
            'Paragraph followed by double linebreak and block' => array(
                'paragraph' . CRLF . CRLF . '<h1>block</h1>',
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block</h1>',
            ),
            'Paragraph followed by triple linebreak and block' => array(
                'paragraph' . CRLF . CRLF . CRLF . '<h1>block</h1>',
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block</h1>',
            ),
            'Block followed by block' => array(
                '<h1>block1</h1>' . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by single linebreak and block' => array(
                '<h1>block1</h1>' . CRLF . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by double linebreak and block' => array(
                '<h1>block1</h1>' . CRLF . CRLF . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by triple linebreak and block' => array(
                '<h1>block1</h1>' . CRLF . CRLF . CRLF . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by paragraph and block' => array(
                '<h1>block1</h1>' . CRLF . 'paragraph' . CRLF . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . '<p>paragraph</p>' . CRLF . '<h1>block2</h1>',
            ),
        );
    }

    public function lineBreakCorrectlyTransformedOnWayToRTE($content, $expectedResult) {
        $thisConfig = array('proc.' => $this->fixture->procOptions);
        $this->assertEquals($expectedResult, $this->fixture->RTE_transform($content, array(), 'rte', $thisConfig));
    }

    public static function paragraphCorrectlyTransformedOnWayToDatabaseAndBackToRteProvider() {
        return array(
            'Empty string' => array(
                '',
                '',
            ),
            'Empty paragraph' => array(
                '<p></p>',
                '<p>&nbsp;</p>',
            ),
            'Double empty paragraph' => array(
                '<p></p><p></p>',
                '<p>&nbsp;</p>'. CRLF . '<p>&nbsp;</p>',
            ),
            'Triple empty paragraph' => array(
                '<p></p><p></p><p></p>',
                '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>',
            ),
            'Plain text' => array(
                'plain text',
                '<p>plain text</p>',
            ),
            'Plain text followed by linebreak' => array(
                'plain text' . CRLF,
                '<p>plain text </p>',
            ),
            'Plain text followed by paragraph' => array(
                'plain text' . '<p>paragraph</p>',
                '<p>plain text</p>' . CRLF . '<p>paragraph</p>',
            ),
            'Spacing paragraph' => array(
                '<p>&nbsp;</p>',
                '<p>&nbsp;</p>',
            ),
            'Double spacing paragraph' => array(
                '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>',
                '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>',
            ),
            'Paragraph' => array(
                '<p>paragraph</p>',
                '<p>paragraph</p>',
            ),
            'Paragraph followed by linebreak' => array(
                '<p>paragraph</p>' . CRLF,
                '<p>paragraph</p>',
            ),
            'Paragraph followed by spacing paragraph' => array(
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>',
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>',
            ),
            'Paragraph followed by double spacing paragraph' => array(
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>',
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>',
            ),
            'Paragraph followed by paragraph' => array(
                '<p>paragraph1</p>' . '<p>paragraph2</p>',
                '<p>paragraph1</p>' . CRLF . '<p>paragraph2</p>',
            ),
            'Paragraph followed by paragraph, linebreak-separated' => array(
                '<p>paragraph1</p>' . CRLF . '<p>paragraph2</p>',
                '<p>paragraph1</p>' . CRLF . '<p>paragraph2</p>',
            ),
            'Paragraph followed by spacing paragraph and by paragraph' => array(
                '<p>paragraph1</p>' . '<p>&nbsp;</p>' . '<p>paragraph2</p>',
                '<p>paragraph1</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>paragraph2</p>',
            ),
            'Paragraph followed by spacing paragraph and by paragraph, linebreak-separated' => array(
                '<p>paragraph1</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>paragraph2</p>',
                '<p>paragraph1</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>paragraph2</p>',
            ),
            'Paragraph followed by double spacing paragraph and by paragraph' => array(
                '<p>paragraph1</p>' . '<p>&nbsp;</p>' . '<p>&nbsp;</p>' . '<p>paragraph2</p>',
                '<p>paragraph1</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>paragraph2</p>',
            ),
            'Paragraph followed by double spacing paragraph and by paragraph, linebreak-separated' => array(
                '<p>paragraph1</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>paragraph2</p>',
                '<p>paragraph1</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>paragraph2</p>',
            ),
            'Paragraph followed by block' => array(
                '<p>paragraph</p>' . '<h1>block</h1>',
                '<p>paragraph</p>' . CRLF . '<h1>block</h1>',
            ),
            'Paragraph followed by block, linebreak-separated' => array(
                '<p>paragraph</p>' . CRLF . '<h1>block</h1>',
                '<p>paragraph</p>' . CRLF . '<h1>block</h1>',
            ),
            'Paragraph followed by spacing paragraph and by block' => array(
                '<p>paragraph</p>' . '<p>&nbsp;</p>' . '<h1>block</h1>',
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block</h1>',
            ),
            'Paragraph followed by spacing paragraph and by block, linebreak-separated' => array(
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block</h1>',
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block</h1>',
            ),
            'Paragraph followed by double spacing paragraph and by block' => array(
                '<p>paragraph</p>' . '<p>&nbsp;</p>' . '<p>&nbsp;</p>' . '<h1>block</h1>',
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block</h1>',
            ),
            'Paragraph followed by double spacing paragraph and by block, linebreak-separated' => array(
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block</h1>',
                '<p>paragraph</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block</h1>',
            ),
            'Block followed by block' => array(
                '<h1>block1</h1>' . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by block, linebreak-separated' => array(
                '<h1>block1</h1>' . CRLF . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by empty paragraph and by block' => array(
                '<h1>block1</h1>' . '<p></p>' . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by empty paragraph and by block, linebreak-separated' => array(
                '<h1>block1</h1>' . CRLF . '<p></p>' . CRLF . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by spacing paragraph and by block' => array(
                '<h1>block1</h1>' . '<p>&nbsp;</p>' . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by spacing paragraph and by block, linebreak-separated' => array(
                '<h1>block1</h1>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by double spacing paragraph and by block' => array(
                '<h1>block1</h1>' . '<p>&nbsp;</p>' . '<p>&nbsp;</p>' . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block2</h1>',
            ),
            'Block followed by double spacing paragraph and by block, linebreak-separated' => array(
                '<h1>block1</h1>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block2</h1>',
                '<h1>block1</h1>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<p>&nbsp;</p>' . CRLF . '<h1>block2</h1>',
            ),
        );
    }

    public function paragraphCorrectlyTransformedOnWayToDatabaseAndBackToRte($content, $expectedResult) {
        $thisConfig = array('proc.' => $this->fixture->procOptions);
        $this->assertEquals($expectedResult, $this->fixture->RTE_transform($this->fixture->RTE_transform($content, array(), 'db', $thisConfig), array(), 'rte', $thisConfig));
    }
}