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[mediawiki.git] / tests / phpunit / includes / content / WikitextContentTest.php

<?php

use MediaWiki\Content\JavaScriptContent;
use MediaWiki\Content\TextContent;
use MediaWiki\Content\WikitextContent;
use MediaWiki\Deferred\LinksUpdate\LinksDeletionUpdate;
use MediaWiki\Parser\Parser;
use MediaWiki\Parser\ParserOptions;
use MediaWiki\Title\Title;

/**
 * @group ContentHandler
 *
 * @group Database
 *        ^--- needed, because we do need the database to test link updates
 * @covers \MediaWiki\Content\WikitextContent
 */
class WikitextContentTest extends TextContentTest {
        public const SECTIONS = "Intro

== stuff ==
hello world

== test ==
just a test

== foo ==
more stuff
";

        public function newContent( $text ) {
                return new WikitextContent( $text );
        }

        public static function dataGetSection() {
                return [
                        [ self::SECTIONS,
                                "0",
                                "Intro"
                        ],
                        [ self::SECTIONS,
                                "2",
                                "== test ==
just a test"
                        ],
                        [ self::SECTIONS,
                                "8",
                                false
                        ],
                ];
        }

        /**
         * @dataProvider dataGetSection
         */
        public function testGetSection( $text, $sectionId, $expectedText ) {
                $content = $this->newContent( $text );

                $sectionContent = $content->getSection( $sectionId );
                if ( is_object( $sectionContent ) ) {
                        $sectionText = $sectionContent->getText();
                } else {
                        $sectionText = $sectionContent;
                }

                $this->assertEquals( $expectedText, $sectionText );
        }

        public static function dataReplaceSection() {
                return [
                        [ self::SECTIONS,
                                "0",
                                "No more",
                                null,
                                trim( preg_replace( '/^Intro/m', 'No more', self::SECTIONS ) )
                        ],
                        [ self::SECTIONS,
                                "",
                                "No more",
                                null,
                                "No more"
                        ],
                        [ self::SECTIONS,
                                "2",
                                "== TEST ==\nmore fun",
                                null,
                                trim( preg_replace(
                                        '/^== test ==.*== foo ==/sm', "== TEST ==\nmore fun\n\n== foo ==",
                                        self::SECTIONS
                                ) )
                        ],
                        [ self::SECTIONS,
                                "8",
                                "No more",
                                null,
                                self::SECTIONS
                        ],
                        [ self::SECTIONS,
                                "new",
                                "No more",
                                "New",
                                trim( self::SECTIONS ) . "\n\n\n== New ==\n\nNo more"
                        ],
                ];
        }

        /**
         * @dataProvider dataReplaceSection
         */
        public function testReplaceSection( $text, $section, $with, $sectionTitle, $expected ) {
                $content = $this->newContent( $text );
                /** @var WikitextContent $c */
                $c = $content->replaceSection( $section, $this->newContent( $with ), $sectionTitle );

                $this->assertEquals( $expected, $c ? $c->getText() : null );
        }

        public function testAddSectionHeader() {
                $content = $this->newContent( 'hello world' );
                $content = $content->addSectionHeader( 'test' );
                $this->assertEquals( "== test ==\n\nhello world", $content->getText() );

                $content = $this->newContent( 'hello world' );
                $content = $content->addSectionHeader( '' );
                $this->assertEquals( "hello world", $content->getText() );
        }

        public static function dataPreSaveTransform() {
                return [
                        [ 'hello this is ~~~',
                                "hello this is [[Special:Contributions/127.0.0.1|127.0.0.1]]",
                        ],
                        [ 'hello \'\'this\'\' is <nowiki>~~~</nowiki>',
                                'hello \'\'this\'\' is <nowiki>~~~</nowiki>',
                        ],
                        [ // rtrim
                                " Foo \n ",
                                " Foo",
                        ],
                ];
        }

        public static function dataGetRedirectTarget() {
                return [
                        [ '#REDIRECT [[Test]]',
                                'Test',
                        ],
                        [ '#REDIRECT Test',
                                null,
                        ],
                        [ '* #REDIRECT [[Test]]',
                                null,
                        ],
                ];
        }

        public static function dataGetTextForSummary() {
                return [
                        [ "hello\nworld.",
                                16,
                                'hello world.',
                        ],
                        [ 'hello world.',
                                8,
                                'hello...',
                        ],
                        [ '[[hello world]].',
                                8,
                                'hel...',
                        ],
                ];
        }

        public static function dataIsCountable() {
                return [
                        [ '',
                                null,
                                'any',
                                true
                        ],
                        [ 'Foo',
                                null,
                                'any',
                                true
                        ],
                        [ 'Foo',
                                null,
                                'link',
                                false
                        ],
                        [ 'Foo [[bar]]',
                                null,
                                'link',
                                true
                        ],
                        [ 'Foo',
                                true,
                                'link',
                                true
                        ],
                        [ 'Foo [[bar]]',
                                false,
                                'link',
                                false
                        ],
                        [ '#REDIRECT [[bar]]',
                                true,
                                'any',
                                false
                        ],
                        [ '#REDIRECT [[bar]]',
                                true,
                                'link',
                                false
                        ],
                ];
        }

        public function testMatchMagicWord() {
                $mw = $this->getServiceContainer()->getMagicWordFactory()->get( "staticredirect" );

                $content = $this->newContent( "#REDIRECT [[FOO]]\n__STATICREDIRECT__" );
                $this->assertTrue( $content->matchMagicWord( $mw ), "should have matched magic word" );

                $content = $this->newContent( "#REDIRECT [[FOO]]" );
                $this->assertFalse(
                        $content->matchMagicWord( $mw ),
                        "should not have matched magic word"
                );
        }

        public function testUpdateRedirect() {
                $target = Title::makeTitle( NS_MAIN, 'TestUpdateRedirect_target' );

                // test with non-redirect page
                $content = $this->newContent( "hello world." );
                $newContent = $content->updateRedirect( $target );

                $this->assertTrue( $content->equals( $newContent ), "content should be unchanged" );

                // test with actual redirect
                $content = $this->newContent( "#REDIRECT [[Someplace]]" );
                $newContent = $content->updateRedirect( $target );

                $this->assertFalse( $content->equals( $newContent ), "content should have changed" );
                $this->assertTrue( $newContent->isRedirect(), "new content should be a redirect" );

                $this->assertEquals(
                        $target->getFullText(),
                        $newContent->getRedirectTarget()->getFullText()
                );
        }

        public function testGetModel() {
                $content = $this->newContent( "hello world." );

                $this->assertEquals( CONTENT_MODEL_WIKITEXT, $content->getModel() );
        }

        public function testGetContentHandler() {
                $content = $this->newContent( "hello world." );

                $this->assertEquals( CONTENT_MODEL_WIKITEXT, $content->getContentHandler()->getModelID() );
        }

        /**
         * @covers \MediaWiki\Parser\ParserOptions
         */
        public function testRedirectParserOption() {
                $title = Title::makeTitle( NS_MAIN, 'TestRedirectParserOption' );
                $contentRenderer = $this->getServiceContainer()->getContentRenderer();

                // Set up hook and its reporting variables
                $wikitext = null;
                $redirectTarget = null;
                $this->mergeMwGlobalArrayValue( 'wgHooks', [
                        'InternalParseBeforeLinks' => [
                                static function ( Parser $parser, $text, $stripState ) use ( &$wikitext, &$redirectTarget ) {
                                        $wikitext = $text;
                                        $redirectTarget = $parser->getOptions()->getRedirectTarget();
                                }
                        ]
                ] );

                // Test with non-redirect page
                $wikitext = false;
                $redirectTarget = false;
                $content = $this->newContent( 'hello world.' );
                $options = ParserOptions::newFromAnon();
                $options->setRedirectTarget( $title );
                $contentRenderer->getParserOutput( $content, $title, null, $options );
                $this->assertEquals( 'hello world.', $wikitext,
                        'Wikitext passed to hook was not as expected'
                );
                $this->assertNull( $redirectTarget, 'Redirect seen in hook was not null' );
                $this->assertEquals( $title, $options->getRedirectTarget(),
                        'ParserOptions\' redirectTarget was changed'
                );

                // Test with a redirect page
                $wikitext = false;
                $redirectTarget = false;
                $content = $this->newContent(
                        "#REDIRECT [[TestRedirectParserOption/redir]]\nhello redirect."
                );
                $options = ParserOptions::newFromAnon();
                $contentRenderer->getParserOutput( $content, $title, null, $options );
                $this->assertEquals(
                        'hello redirect.',
                        $wikitext,
                        'Wikitext passed to hook was not as expected'
                );
                $this->assertNotEquals(
                        null,
                        $redirectTarget,
                        'Redirect seen in hook was null' );
                $this->assertEquals(
                        'TestRedirectParserOption/redir',
                        $redirectTarget->getFullText(),
                        'Redirect seen in hook was not the expected title'
                );
                $this->assertNull(
                        $options->getRedirectTarget(),
                        'ParserOptions\' redirectTarget was changed'
                );
        }

        public static function dataEquals() {
                return [
                        [ new WikitextContent( "hallo" ), null, false ],
                        [ new WikitextContent( "hallo" ), new WikitextContent( "hallo" ), true ],
                        [ new WikitextContent( "hallo" ), new JavaScriptContent( "hallo" ), false ],
                        [ new WikitextContent( "hallo" ), new TextContent( "hallo" ), false ],
                        [ new WikitextContent( "hallo" ), new WikitextContent( "HALLO" ), false ],
                ];
        }

        public static function dataGetDeletionUpdates() {
                return [
                        [
                                CONTENT_MODEL_WIKITEXT, "hello ''world''\n",
                                [ LinksDeletionUpdate::class => [] ]
                        ],
                        [
                                CONTENT_MODEL_WIKITEXT, "hello [[world test 21344]]\n",
                                [ LinksDeletionUpdate::class => [] ]
                        ],
                        // @todo more...?
                ];
        }
}