Merge commit 'f6d65'

# Conflicts:
#	skins/ArchLinux/ArchLinux.php

1 files changed, 1301 insertions, 0 deletions

diff --git a/tests/phpunit/includes/page/WikiPageTest.php b/tests/phpunit/includes/page/WikiPageTest.php
new file mode 100644
index 00000000..c011e9a9
--- /dev/null
+++ b/tests/phpunit/includes/page/WikiPageTest.php
@@ -0,0 +1,1301 @@
+<?php
+
+/**
+ * @group ContentHandler
+ * @group Database
+ * ^--- important, causes temporary tables to be used instead of the real database
+ * @group medium
+ **/
+class WikiPageTest extends MediaWikiLangTestCase {
+
+	protected $pages_to_delete;
+
+	function __construct( $name = null, array $data = array(), $dataName = '' ) {
+		parent::__construct( $name, $data, $dataName );
+
+		$this->tablesUsed = array_merge(
+			$this->tablesUsed,
+			array( 'page',
+				'revision',
+				'text',
+
+				'recentchanges',
+				'logging',
+
+				'page_props',
+				'pagelinks',
+				'categorylinks',
+				'langlinks',
+				'externallinks',
+				'imagelinks',
+				'templatelinks',
+				'iwlinks' ) );
+	}
+
+	protected function setUp() {
+		parent::setUp();
+		$this->pages_to_delete = array();
+
+		LinkCache::singleton()->clear(); # avoid cached redirect status, etc
+	}
+
+	protected function tearDown() {
+		foreach ( $this->pages_to_delete as $p ) {
+			/* @var $p WikiPage */
+
+			try {
+				if ( $p->exists() ) {
+					$p->doDeleteArticle( "testing done." );
+				}
+			} catch ( MWException $ex ) {
+				// fail silently
+			}
+		}
+		parent::tearDown();
+	}
+
+	/**
+	 * @param Title|string $title
+	 * @param string|null $model
+	 * @return WikiPage
+	 */
+	protected function newPage( $title, $model = null ) {
+		if ( is_string( $title ) ) {
+			$ns = $this->getDefaultWikitextNS();
+			$title = Title::newFromText( $title, $ns );
+		}
+
+		$p = new WikiPage( $title );
+
+		$this->pages_to_delete[] = $p;
+
+		return $p;
+	}
+
+	/**
+	 * @param string|Title|WikiPage $page
+	 * @param string $text
+	 * @param int $model
+	 *
+	 * @return WikiPage
+	 */
+	protected function createPage( $page, $text, $model = null ) {
+		if ( is_string( $page ) || $page instanceof Title ) {
+			$page = $this->newPage( $page, $model );
+		}
+
+		$content = ContentHandler::makeContent( $text, $page->getTitle(), $model );
+		$page->doEditContent( $content, "testing", EDIT_NEW );
+
+		return $page;
+	}
+
+	/**
+	 * @covers WikiPage::doEditContent
+	 */
+	public function testDoEditContent() {
+		$page = $this->newPage( "WikiPageTest_testDoEditContent" );
+		$title = $page->getTitle();
+
+		$content = ContentHandler::makeContent(
+			"[[Lorem ipsum]] dolor sit amet, consetetur sadipscing elitr, sed diam "
+				. " nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat.",
+			$title,
+			CONTENT_MODEL_WIKITEXT
+		);
+
+		$page->doEditContent( $content, "[[testing]] 1" );
+
+		$this->assertTrue( $title->getArticleID() > 0, "Title object should have new page id" );
+		$this->assertTrue( $page->getId() > 0, "WikiPage should have new page id" );
+		$this->assertTrue( $title->exists(), "Title object should indicate that the page now exists" );
+		$this->assertTrue( $page->exists(), "WikiPage object should indicate that the page now exists" );
+
+		$id = $page->getId();
+
+		# ------------------------
+		$dbr = wfGetDB( DB_SLAVE );
+		$res = $dbr->select( 'pagelinks', '*', array( 'pl_from' => $id ) );
+		$n = $res->numRows();
+		$res->free();
+
+		$this->assertEquals( 1, $n, 'pagelinks should contain one link from the page' );
+
+		# ------------------------
+		$page = new WikiPage( $title );
+
+		$retrieved = $page->getContent();
+		$this->assertTrue( $content->equals( $retrieved ), 'retrieved content doesn\'t equal original' );
+
+		# ------------------------
+		$content = ContentHandler::makeContent(
+			"At vero eos et accusam et justo duo [[dolores]] et ea rebum. "
+				. "Stet clita kasd [[gubergren]], no sea takimata sanctus est.",
+			$title,
+			CONTENT_MODEL_WIKITEXT
+		);
+
+		$page->doEditContent( $content, "testing 2" );
+
+		# ------------------------
+		$page = new WikiPage( $title );
+
+		$retrieved = $page->getContent();
+		$this->assertTrue( $content->equals( $retrieved ), 'retrieved content doesn\'t equal original' );
+
+		# ------------------------
+		$dbr = wfGetDB( DB_SLAVE );
+		$res = $dbr->select( 'pagelinks', '*', array( 'pl_from' => $id ) );
+		$n = $res->numRows();
+		$res->free();
+
+		$this->assertEquals( 2, $n, 'pagelinks should contain two links from the page' );
+	}
+
+	/**
+	 * @covers WikiPage::doEdit
+	 */
+	public function testDoEdit() {
+		$this->hideDeprecated( "WikiPage::doEdit" );
+		$this->hideDeprecated( "WikiPage::getText" );
+		$this->hideDeprecated( "Revision::getText" );
+
+		//NOTE: assume help namespace will default to wikitext
+		$title = Title::newFromText( "Help:WikiPageTest_testDoEdit" );
+
+		$page = $this->newPage( $title );
+
+		$text = "[[Lorem ipsum]] dolor sit amet, consetetur sadipscing elitr, sed diam "
+			. " nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat.";
+
+		$page->doEdit( $text, "[[testing]] 1" );
+
+		$this->assertTrue( $title->getArticleID() > 0, "Title object should have new page id" );
+		$this->assertTrue( $page->getId() > 0, "WikiPage should have new page id" );
+		$this->assertTrue( $title->exists(), "Title object should indicate that the page now exists" );
+		$this->assertTrue( $page->exists(), "WikiPage object should indicate that the page now exists" );
+
+		$id = $page->getId();
+
+		# ------------------------
+		$dbr = wfGetDB( DB_SLAVE );
+		$res = $dbr->select( 'pagelinks', '*', array( 'pl_from' => $id ) );
+		$n = $res->numRows();
+		$res->free();
+
+		$this->assertEquals( 1, $n, 'pagelinks should contain one link from the page' );
+
+		# ------------------------
+		$page = new WikiPage( $title );
+
+		$retrieved = $page->getText();
+		$this->assertEquals( $text, $retrieved, 'retrieved text doesn\'t equal original' );
+
+		# ------------------------
+		$text = "At vero eos et accusam et justo duo [[dolores]] et ea rebum. "
+			. "Stet clita kasd [[gubergren]], no sea takimata sanctus est.";
+
+		$page->doEdit( $text, "testing 2" );
+
+		# ------------------------
+		$page = new WikiPage( $title );
+
+		$retrieved = $page->getText();
+		$this->assertEquals( $text, $retrieved, 'retrieved text doesn\'t equal original' );
+
+		# ------------------------
+		$dbr = wfGetDB( DB_SLAVE );
+		$res = $dbr->select( 'pagelinks', '*', array( 'pl_from' => $id ) );
+		$n = $res->numRows();
+		$res->free();
+
+		$this->assertEquals( 2, $n, 'pagelinks should contain two links from the page' );
+	}
+
+	/**
+	 * @covers WikiPage::doQuickEdit
+	 */
+	public function testDoQuickEdit() {
+		global $wgUser;
+
+		$this->hideDeprecated( "WikiPage::doQuickEdit" );
+
+		//NOTE: assume help namespace will default to wikitext
+		$page = $this->createPage( "Help:WikiPageTest_testDoQuickEdit", "original text" );
+
+		$text = "quick text";
+		$page->doQuickEdit( $text, $wgUser, "testing q" );
+
+		# ---------------------
+		$page = new WikiPage( $page->getTitle() );
+		$this->assertEquals( $text, $page->getText() );
+	}
+
+	/**
+	 * @covers WikiPage::doQuickEditContent
+	 */
+	public function testDoQuickEditContent() {
+		global $wgUser;
+
+		$page = $this->createPage(
+			"WikiPageTest_testDoQuickEditContent",
+			"original text",
+			CONTENT_MODEL_WIKITEXT
+		);
+
+		$content = ContentHandler::makeContent(
+			"quick text",
+			$page->getTitle(),
+			CONTENT_MODEL_WIKITEXT
+		);
+		$page->doQuickEditContent( $content, $wgUser, "testing q" );
+
+		# ---------------------
+		$page = new WikiPage( $page->getTitle() );
+		$this->assertTrue( $content->equals( $page->getContent() ) );
+	}
+
+	/**
+	 * @covers WikiPage::doDeleteArticle
+	 */
+	public function testDoDeleteArticle() {
+		$page = $this->createPage(
+			"WikiPageTest_testDoDeleteArticle",
+			"[[original text]] foo",
+			CONTENT_MODEL_WIKITEXT
+		);
+		$id = $page->getId();
+
+		$page->doDeleteArticle( "testing deletion" );
+
+		$this->assertFalse(
+			$page->getTitle()->getArticleID() > 0,
+			"Title object should now have page id 0"
+		);
+		$this->assertFalse( $page->getId() > 0, "WikiPage should now have page id 0" );
+		$this->assertFalse(
+			$page->exists(),
+			"WikiPage::exists should return false after page was deleted"
+		);
+		$this->assertNull(
+			$page->getContent(),
+			"WikiPage::getContent should return null after page was deleted"
+		);
+		$this->assertFalse(
+			$page->getText(),
+			"WikiPage::getText should return false after page was deleted"
+		);
+
+		$t = Title::newFromText( $page->getTitle()->getPrefixedText() );
+		$this->assertFalse(
+			$t->exists(),
+			"Title::exists should return false after page was deleted"
+		);
+
+		# ------------------------
+		$dbr = wfGetDB( DB_SLAVE );
+		$res = $dbr->select( 'pagelinks', '*', array( 'pl_from' => $id ) );
+		$n = $res->numRows();
+		$res->free();
+
+		$this->assertEquals( 0, $n, 'pagelinks should contain no more links from the page' );
+	}
+
+	/**
+	 * @covers WikiPage::doDeleteUpdates
+	 */
+	public function testDoDeleteUpdates() {
+		$page = $this->createPage(
+			"WikiPageTest_testDoDeleteArticle",
+			"[[original text]] foo",
+			CONTENT_MODEL_WIKITEXT
+		);
+		$id = $page->getId();
+
+		$page->doDeleteUpdates( $id );
+
+		# ------------------------
+		$dbr = wfGetDB( DB_SLAVE );
+		$res = $dbr->select( 'pagelinks', '*', array( 'pl_from' => $id ) );
+		$n = $res->numRows();
+		$res->free();
+
+		$this->assertEquals( 0, $n, 'pagelinks should contain no more links from the page' );
+	}
+
+	/**
+	 * @covers WikiPage::getRevision
+	 */
+	public function testGetRevision() {
+		$page = $this->newPage( "WikiPageTest_testGetRevision" );
+
+		$rev = $page->getRevision();
+		$this->assertNull( $rev );
+
+		# -----------------
+		$this->createPage( $page, "some text", CONTENT_MODEL_WIKITEXT );
+
+		$rev = $page->getRevision();
+
+		$this->assertEquals( $page->getLatest(), $rev->getId() );
+		$this->assertEquals( "some text", $rev->getContent()->getNativeData() );
+	}
+
+	/**
+	 * @covers WikiPage::getContent
+	 */
+	public function testGetContent() {
+		$page = $this->newPage( "WikiPageTest_testGetContent" );
+
+		$content = $page->getContent();
+		$this->assertNull( $content );
+
+		# -----------------
+		$this->createPage( $page, "some text", CONTENT_MODEL_WIKITEXT );
+
+		$content = $page->getContent();
+		$this->assertEquals( "some text", $content->getNativeData() );
+	}
+
+	/**
+	 * @covers WikiPage::getText
+	 */
+	public function testGetText() {
+		$this->hideDeprecated( "WikiPage::getText" );
+
+		$page = $this->newPage( "WikiPageTest_testGetText" );
+
+		$text = $page->getText();
+		$this->assertFalse( $text );
+
+		# -----------------
+		$this->createPage( $page, "some text", CONTENT_MODEL_WIKITEXT );
+
+		$text = $page->getText();
+		$this->assertEquals( "some text", $text );
+	}
+
+	/**
+	 * @covers WikiPage::getRawText
+	 */
+	public function testGetRawText() {
+		$this->hideDeprecated( "WikiPage::getRawText" );
+
+		$page = $this->newPage( "WikiPageTest_testGetRawText" );
+
+		$text = $page->getRawText();
+		$this->assertFalse( $text );
+
+		# -----------------
+		$this->createPage( $page, "some text", CONTENT_MODEL_WIKITEXT );
+
+		$text = $page->getRawText();
+		$this->assertEquals( "some text", $text );
+	}
+
+	/**
+	 * @covers WikiPage::getContentModel
+	 */
+	public function testGetContentModel() {
+		global $wgContentHandlerUseDB;
+
+		if ( !$wgContentHandlerUseDB ) {
+			$this->markTestSkipped( '$wgContentHandlerUseDB is disabled' );
+		}
+
+		$page = $this->createPage(
+			"WikiPageTest_testGetContentModel",
+			"some text",
+			CONTENT_MODEL_JAVASCRIPT
+		);
+
+		$page = new WikiPage( $page->getTitle() );
+		$this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $page->getContentModel() );
+	}
+
+	/**
+	 * @covers WikiPage::getContentHandler
+	 */
+	public function testGetContentHandler() {
+		global $wgContentHandlerUseDB;
+
+		if ( !$wgContentHandlerUseDB ) {
+			$this->markTestSkipped( '$wgContentHandlerUseDB is disabled' );
+		}
+
+		$page = $this->createPage(
+			"WikiPageTest_testGetContentHandler",
+			"some text",
+			CONTENT_MODEL_JAVASCRIPT
+		);
+
+		$page = new WikiPage( $page->getTitle() );
+		$this->assertEquals( 'JavaScriptContentHandler', get_class( $page->getContentHandler() ) );
+	}
+
+	/**
+	 * @covers WikiPage::exists
+	 */
+	public function testExists() {
+		$page = $this->newPage( "WikiPageTest_testExists" );
+		$this->assertFalse( $page->exists() );
+
+		# -----------------
+		$this->createPage( $page, "some text", CONTENT_MODEL_WIKITEXT );
+		$this->assertTrue( $page->exists() );
+
+		$page = new WikiPage( $page->getTitle() );
+		$this->assertTrue( $page->exists() );
+
+		# -----------------
+		$page->doDeleteArticle( "done testing" );
+		$this->assertFalse( $page->exists() );
+
+		$page = new WikiPage( $page->getTitle() );
+		$this->assertFalse( $page->exists() );
+	}
+
+	public static function provideHasViewableContent() {
+		return array(
+			array( 'WikiPageTest_testHasViewableContent', false, true ),
+			array( 'Special:WikiPageTest_testHasViewableContent', false ),
+			array( 'MediaWiki:WikiPageTest_testHasViewableContent', false ),
+			array( 'Special:Userlogin', true ),
+			array( 'MediaWiki:help', true ),
+		);
+	}
+
+	/**
+	 * @dataProvider provideHasViewableContent
+	 * @covers WikiPage::hasViewableContent
+	 */
+	public function testHasViewableContent( $title, $viewable, $create = false ) {
+		$page = $this->newPage( $title );
+		$this->assertEquals( $viewable, $page->hasViewableContent() );
+
+		if ( $create ) {
+			$this->createPage( $page, "some text", CONTENT_MODEL_WIKITEXT );
+			$this->assertTrue( $page->hasViewableContent() );
+
+			$page = new WikiPage( $page->getTitle() );
+			$this->assertTrue( $page->hasViewableContent() );
+		}
+	}
+
+	public static function provideGetRedirectTarget() {
+		return array(
+			array( 'WikiPageTest_testGetRedirectTarget_1', CONTENT_MODEL_WIKITEXT, "hello world", null ),
+			array(
+				'WikiPageTest_testGetRedirectTarget_2',
+				CONTENT_MODEL_WIKITEXT,
+				"#REDIRECT [[hello world]]",
+				"Hello world"
+			),
+		);
+	}
+
+	/**
+	 * @dataProvider provideGetRedirectTarget
+	 * @covers WikiPage::getRedirectTarget
+	 */
+	public function testGetRedirectTarget( $title, $model, $text, $target ) {
+		$this->setMwGlobals( array(
+			'wgCapitalLinks' => true,
+		) );
+
+		$page = $this->createPage( $title, $text, $model );
+
+		# sanity check, because this test seems to fail for no reason for some people.
+		$c = $page->getContent();
+		$this->assertEquals( 'WikitextContent', get_class( $c ) );
+
+		# now, test the actual redirect
+		$t = $page->getRedirectTarget();
+		$this->assertEquals( $target, is_null( $t ) ? null : $t->getPrefixedText() );
+	}
+
+	/**
+	 * @dataProvider provideGetRedirectTarget
+	 * @covers WikiPage::isRedirect
+	 */
+	public function testIsRedirect( $title, $model, $text, $target ) {
+		$page = $this->createPage( $title, $text, $model );
+		$this->assertEquals( !is_null( $target ), $page->isRedirect() );
+	}
+
+	public static function provideIsCountable() {
+		return array(
+
+			// any
+			array( 'WikiPageTest_testIsCountable',
+				CONTENT_MODEL_WIKITEXT,
+				'',
+				'any',
+				true
+			),
+			array( 'WikiPageTest_testIsCountable',
+				CONTENT_MODEL_WIKITEXT,
+				'Foo',
+				'any',
+				true
+			),
+
+			// comma
+			array( 'WikiPageTest_testIsCountable',
+				CONTENT_MODEL_WIKITEXT,
+				'Foo',
+				'comma',
+				false
+			),
+			array( 'WikiPageTest_testIsCountable',
+				CONTENT_MODEL_WIKITEXT,
+				'Foo, bar',
+				'comma',
+				true
+			),
+
+			// link
+			array( 'WikiPageTest_testIsCountable',
+				CONTENT_MODEL_WIKITEXT,
+				'Foo',
+				'link',
+				false
+			),
+			array( 'WikiPageTest_testIsCountable',
+				CONTENT_MODEL_WIKITEXT,
+				'Foo [[bar]]',
+				'link',
+				true
+			),
+
+			// redirects
+			array( 'WikiPageTest_testIsCountable',
+				CONTENT_MODEL_WIKITEXT,
+				'#REDIRECT [[bar]]',
+				'any',
+				false
+			),
+			array( 'WikiPageTest_testIsCountable',
+				CONTENT_MODEL_WIKITEXT,
+				'#REDIRECT [[bar]]',
+				'comma',
+				false
+			),
+			array( 'WikiPageTest_testIsCountable',
+				CONTENT_MODEL_WIKITEXT,
+				'#REDIRECT [[bar]]',
+				'link',
+				false
+			),
+
+			// not a content namespace
+			array( 'Talk:WikiPageTest_testIsCountable',
+				CONTENT_MODEL_WIKITEXT,
+				'Foo',
+				'any',
+				false
+			),
+			array( 'Talk:WikiPageTest_testIsCountable',
+				CONTENT_MODEL_WIKITEXT,
+				'Foo, bar',
+				'comma',
+				false
+			),
+			array( 'Talk:WikiPageTest_testIsCountable',
+				CONTENT_MODEL_WIKITEXT,
+				'Foo [[bar]]',
+				'link',
+				false
+			),
+
+			// not a content namespace, different model
+			array( 'MediaWiki:WikiPageTest_testIsCountable.js',
+				null,
+				'Foo',
+				'any',
+				false
+			),
+			array( 'MediaWiki:WikiPageTest_testIsCountable.js',
+				null,
+				'Foo, bar',
+				'comma',
+				false
+			),
+			array( 'MediaWiki:WikiPageTest_testIsCountable.js',
+				null,
+				'Foo [[bar]]',
+				'link',
+				false
+			),
+		);
+	}
+
+	/**
+	 * @dataProvider provideIsCountable
+	 * @covers WikiPage::isCountable
+	 */
+	public function testIsCountable( $title, $model, $text, $mode, $expected ) {
+		global $wgContentHandlerUseDB;
+
+		$this->setMwGlobals( 'wgArticleCountMethod', $mode );
+
+		$title = Title::newFromText( $title );
+
+		if ( !$wgContentHandlerUseDB
+			&& $model
+			&& ContentHandler::getDefaultModelFor( $title ) != $model
+		) {
+			$this->markTestSkipped( "Can not use non-default content model $model for "
+				. $title->getPrefixedDBkey() . " with \$wgContentHandlerUseDB disabled." );
+		}
+
+		$page = $this->createPage( $title, $text, $model );
+
+		$editInfo = $page->prepareContentForEdit( $page->getContent() );
+
+		$v = $page->isCountable();
+		$w = $page->isCountable( $editInfo );
+
+		$this->assertEquals(
+			$expected,
+			$v,
+			"isCountable( null ) returned unexpected value " . var_export( $v, true )
+				. " instead of " . var_export( $expected, true )
+			. " in mode `$mode` for text \"$text\""
+		);
+
+		$this->assertEquals(
+			$expected,
+			$w,
+			"isCountable( \$editInfo ) returned unexpected value " . var_export( $v, true )
+				. " instead of " . var_export( $expected, true )
+			. " in mode `$mode` for text \"$text\""
+		);
+	}
+
+	public static function provideGetParserOutput() {
+		return array(
+			array( CONTENT_MODEL_WIKITEXT, "hello ''world''\n", "<p>hello <i>world</i></p>" ),
+			// @todo more...?
+		);
+	}
+
+	/**
+	 * @dataProvider provideGetParserOutput
+	 * @covers WikiPage::getParserOutput
+	 */
+	public function testGetParserOutput( $model, $text, $expectedHtml ) {
+		$page = $this->createPage( 'WikiPageTest_testGetParserOutput', $text, $model );
+
+		$opt = $page->makeParserOptions( 'canonical' );
+		$po = $page->getParserOutput( $opt );
+		$text = $po->getText();
+
+		$text = trim( preg_replace( '/<!--.*?-->/sm', '', $text ) ); # strip injected comments
+		$text = preg_replace( '!\s*(</p>)!sm', '\1', $text ); # don't let tidy confuse us
+
+		$this->assertEquals( $expectedHtml, $text );
+
+		return $po;
+	}
+
+	/**
+	 * @covers WikiPage::getParserOutput
+	 */
+	public function testGetParserOutput_nonexisting() {
+		static $count = 0;
+		$count++;
+
+		$page = new WikiPage( new Title( "WikiPageTest_testGetParserOutput_nonexisting_$count" ) );
+
+		$opt = new ParserOptions();
+		$po = $page->getParserOutput( $opt );
+
+		$this->assertFalse( $po, "getParserOutput() shall return false for non-existing pages." );
+	}
+
+	/**
+	 * @covers WikiPage::getParserOutput
+	 */
+	public function testGetParserOutput_badrev() {
+		$page = $this->createPage( 'WikiPageTest_testGetParserOutput', "dummy", CONTENT_MODEL_WIKITEXT );
+
+		$opt = new ParserOptions();
+		$po = $page->getParserOutput( $opt, $page->getLatest() + 1234 );
+
+		// @todo would be neat to also test deleted revision
+
+		$this->assertFalse( $po, "getParserOutput() shall return false for non-existing revisions." );
+	}
+
+	public static $sections =
+
+		"Intro
+
+== stuff ==
+hello world
+
+== test ==
+just a test
+
+== foo ==
+more stuff
+";
+
+	public function dataReplaceSection() {
+		//NOTE: assume the Help namespace to contain wikitext
+		return array(
+			array( 'Help:WikiPageTest_testReplaceSection',
+				CONTENT_MODEL_WIKITEXT,
+				WikiPageTest::$sections,
+				"0",
+				"No more",
+				null,
+				trim( preg_replace( '/^Intro/sm', 'No more', WikiPageTest::$sections ) )
+			),
+			array( 'Help:WikiPageTest_testReplaceSection',
+				CONTENT_MODEL_WIKITEXT,
+				WikiPageTest::$sections,
+				"",
+				"No more",
+				null,
+				"No more"
+			),
+			array( 'Help:WikiPageTest_testReplaceSection',
+				CONTENT_MODEL_WIKITEXT,
+				WikiPageTest::$sections,
+				"2",
+				"== TEST ==\nmore fun",
+				null,
+				trim( preg_replace( '/^== test ==.*== foo ==/sm',
+					"== TEST ==\nmore fun\n\n== foo ==",
+					WikiPageTest::$sections ) )
+			),
+			array( 'Help:WikiPageTest_testReplaceSection',
+				CONTENT_MODEL_WIKITEXT,
+				WikiPageTest::$sections,
+				"8",
+				"No more",
+				null,
+				trim( WikiPageTest::$sections )
+			),
+			array( 'Help:WikiPageTest_testReplaceSection',
+				CONTENT_MODEL_WIKITEXT,
+				WikiPageTest::$sections,
+				"new",
+				"No more",
+				"New",
+				trim( WikiPageTest::$sections ) . "\n\n== New ==\n\nNo more"
+			),
+		);
+	}
+
+	/**
+	 * @dataProvider dataReplaceSection
+	 * @covers WikiPage::replaceSection
+	 */
+	public function testReplaceSection( $title, $model, $text, $section, $with,
+		$sectionTitle, $expected
+	) {
+		$this->hideDeprecated( "WikiPage::replaceSection" );
+
+		$page = $this->createPage( $title, $text, $model );
+		$text = $page->replaceSection( $section, $with, $sectionTitle );
+		$text = trim( $text );
+
+		$this->assertEquals( $expected, $text );
+	}
+
+	/**
+	 * @dataProvider dataReplaceSection
+	 * @covers WikiPage::replaceSectionContent
+	 */
+	public function testReplaceSectionContent( $title, $model, $text, $section,
+		$with, $sectionTitle, $expected
+	) {
+		$page = $this->createPage( $title, $text, $model );
+
+		$content = ContentHandler::makeContent( $with, $page->getTitle(), $page->getContentModel() );
+		$c = $page->replaceSectionContent( $section, $content, $sectionTitle );
+
+		$this->assertEquals( $expected, is_null( $c ) ? null : trim( $c->getNativeData() ) );
+	}
+
+	/**
+	 * @dataProvider dataReplaceSection
+	 * @covers WikiPage::replaceSectionAtRev
+	 */
+	public function testReplaceSectionAtRev( $title, $model, $text, $section,
+		$with, $sectionTitle, $expected
+	) {
+		$page = $this->createPage( $title, $text, $model );
+		$baseRevId = $page->getLatest();
+
+		$content = ContentHandler::makeContent( $with, $page->getTitle(), $page->getContentModel() );
+		$c = $page->replaceSectionAtRev( $section, $content, $sectionTitle, $baseRevId );
+
+		$this->assertEquals( $expected, is_null( $c ) ? null : trim( $c->getNativeData() ) );
+	}
+
+	/* @todo FIXME: fix this!
+	public function testGetUndoText() {
+	$this->checkHasDiff3();
+
+	$text = "one";
+	$page = $this->createPage( "WikiPageTest_testGetUndoText", $text );
+	$rev1 = $page->getRevision();
+
+	$text .= "\n\ntwo";
+	$page->doEditContent(
+		ContentHandler::makeContent( $text, $page->getTitle() ),
+		"adding section two"
+	);
+	$rev2 = $page->getRevision();
+
+	$text .= "\n\nthree";
+	$page->doEditContent(
+		ContentHandler::makeContent( $text, $page->getTitle() ),
+		"adding section three"
+	);
+	$rev3 = $page->getRevision();
+
+	$text .= "\n\nfour";
+	$page->doEditContent(
+		ContentHandler::makeContent( $text, $page->getTitle() ),
+		"adding section four"
+	);
+	$rev4 = $page->getRevision();
+
+	$text .= "\n\nfive";
+	$page->doEditContent(
+		ContentHandler::makeContent( $text, $page->getTitle() ),
+		"adding section five"
+	);
+	$rev5 = $page->getRevision();
+
+	$text .= "\n\nsix";
+	$page->doEditContent(
+		ContentHandler::makeContent( $text, $page->getTitle() ),
+		"adding section six"
+	);
+	$rev6 = $page->getRevision();
+
+	$undo6 = $page->getUndoText( $rev6 );
+	if ( $undo6 === false ) $this->fail( "getUndoText failed for rev6" );
+	$this->assertEquals( "one\n\ntwo\n\nthree\n\nfour\n\nfive", $undo6 );
+
+	$undo3 = $page->getUndoText( $rev4, $rev2 );
+	if ( $undo3 === false ) $this->fail( "getUndoText failed for rev4..rev2" );
+	$this->assertEquals( "one\n\ntwo\n\nfive", $undo3 );
+
+	$undo2 = $page->getUndoText( $rev2 );
+	if ( $undo2 === false ) $this->fail( "getUndoText failed for rev2" );
+	$this->assertEquals( "one\n\nfive", $undo2 );
+	}
+	 */
+
+	/**
+	 * @todo FIXME: this is a better rollback test than the one below, but it
+	 * keeps failing in jenkins for some reason.
+	 */
+	public function broken_testDoRollback() {
+		$admin = new User();
+		$admin->setName( "Admin" );
+
+		$text = "one";
+		$page = $this->newPage( "WikiPageTest_testDoRollback" );
+		$page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
+			"section one", EDIT_NEW, false, $admin );
+
+		$user1 = new User();
+		$user1->setName( "127.0.1.11" );
+		$text .= "\n\ntwo";
+		$page = new WikiPage( $page->getTitle() );
+		$page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
+			"adding section two", 0, false, $user1 );
+
+		$user2 = new User();
+		$user2->setName( "127.0.2.13" );
+		$text .= "\n\nthree";
+		$page = new WikiPage( $page->getTitle() );
+		$page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
+			"adding section three", 0, false, $user2 );
+
+		# we are having issues with doRollback spuriously failing. Apparently
+		# the last revision somehow goes missing or not committed under some
+		# circumstances. So, make sure the last revision has the right user name.
+		$dbr = wfGetDB( DB_SLAVE );
+		$this->assertEquals( 3, Revision::countByPageId( $dbr, $page->getId() ) );
+
+		$page = new WikiPage( $page->getTitle() );
+		$rev3 = $page->getRevision();
+		$this->assertEquals( '127.0.2.13', $rev3->getUserText() );
+
+		$rev2 = $rev3->getPrevious();
+		$this->assertEquals( '127.0.1.11', $rev2->getUserText() );
+
+		$rev1 = $rev2->getPrevious();
+		$this->assertEquals( 'Admin', $rev1->getUserText() );
+
+		# now, try the actual rollback
+		$admin->addGroup( "sysop" ); #XXX: make the test user a sysop...
+		$token = $admin->getEditToken(
+			array( $page->getTitle()->getPrefixedText(), $user2->getName() ),
+			null
+		);
+		$errors = $page->doRollback(
+			$user2->getName(),
+			"testing revert",
+			$token,
+			false,
+			$details,
+			$admin
+		);
+
+		if ( $errors ) {
+			$this->fail( "Rollback failed:\n" . print_r( $errors, true )
+				. ";\n" . print_r( $details, true ) );
+		}
+
+		$page = new WikiPage( $page->getTitle() );
+		$this->assertEquals( $rev2->getSha1(), $page->getRevision()->getSha1(),
+			"rollback did not revert to the correct revision" );
+		$this->assertEquals( "one\n\ntwo", $page->getContent()->getNativeData() );
+	}
+
+	/**
+	 * @todo FIXME: the above rollback test is better, but it keeps failing in jenkins for some reason.
+	 * @covers WikiPage::doRollback
+	 */
+	public function testDoRollback() {
+		$admin = new User();
+		$admin->setName( "Admin" );
+
+		$text = "one";
+		$page = $this->newPage( "WikiPageTest_testDoRollback" );
+		$page->doEditContent(
+			ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
+			"section one",
+			EDIT_NEW,
+			false,
+			$admin
+		);
+		$rev1 = $page->getRevision();
+
+		$user1 = new User();
+		$user1->setName( "127.0.1.11" );
+		$text .= "\n\ntwo";
+		$page = new WikiPage( $page->getTitle() );
+		$page->doEditContent(
+			ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
+			"adding section two",
+			0,
+			false,
+			$user1
+		);
+
+		# now, try the rollback
+		$admin->addGroup( "sysop" ); #XXX: make the test user a sysop...
+		$token = $admin->getEditToken(
+			array( $page->getTitle()->getPrefixedText(), $user1->getName() ),
+			null
+		);
+		$errors = $page->doRollback(
+			$user1->getName(),
+			"testing revert",
+			$token,
+			false,
+			$details,
+			$admin
+		);
+
+		if ( $errors ) {
+			$this->fail( "Rollback failed:\n" . print_r( $errors, true )
+				. ";\n" . print_r( $details, true ) );
+		}
+
+		$page = new WikiPage( $page->getTitle() );
+		$this->assertEquals( $rev1->getSha1(), $page->getRevision()->getSha1(),
+			"rollback did not revert to the correct revision" );
+		$this->assertEquals( "one", $page->getContent()->getNativeData() );
+	}
+
+	/**
+	 * @covers WikiPage::doRollback
+	 */
+	public function testDoRollbackFailureSameContent() {
+		$admin = new User();
+		$admin->setName( "Admin" );
+		$admin->addGroup( "sysop" ); #XXX: make the test user a sysop...
+
+		$text = "one";
+		$page = $this->newPage( "WikiPageTest_testDoRollback" );
+		$page->doEditContent(
+			ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
+			"section one",
+			EDIT_NEW,
+			false,
+			$admin
+		);
+		$rev1 = $page->getRevision();
+
+		$user1 = new User();
+		$user1->setName( "127.0.1.11" );
+		$user1->addGroup( "sysop" ); #XXX: make the test user a sysop...
+		$text .= "\n\ntwo";
+		$page = new WikiPage( $page->getTitle() );
+		$page->doEditContent(
+			ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
+			"adding section two",
+			0,
+			false,
+			$user1
+		);
+
+		# now, do a the rollback from the same user was doing the edit before
+		$resultDetails = array();
+		$token = $user1->getEditToken(
+			array( $page->getTitle()->getPrefixedText(), $user1->getName() ),
+			null
+		);
+		$errors = $page->doRollback(
+			$user1->getName(),
+			"testing revert same user",
+			$token,
+			false,
+			$resultDetails,
+			$admin
+		);
+
+		$this->assertEquals( array(), $errors, "Rollback failed same user" );
+
+		# now, try the rollback
+		$resultDetails = array();
+		$token = $admin->getEditToken(
+			array( $page->getTitle()->getPrefixedText(), $user1->getName() ),
+			null
+		);
+		$errors = $page->doRollback(
+			$user1->getName(),
+			"testing revert",
+			$token,
+			false,
+			$resultDetails,
+			$admin
+		);
+
+		$this->assertEquals( array( array( 'alreadyrolled', 'WikiPageTest testDoRollback',
+			'127.0.1.11', 'Admin' ) ), $errors, "Rollback not failed" );
+
+		$page = new WikiPage( $page->getTitle() );
+		$this->assertEquals( $rev1->getSha1(), $page->getRevision()->getSha1(),
+			"rollback did not revert to the correct revision" );
+		$this->assertEquals( "one", $page->getContent()->getNativeData() );
+	}
+
+	public static function provideGetAutosummary() {
+		return array(
+			array(
+				'Hello there, world!',
+				'#REDIRECT [[Foo]]',
+				0,
+				'/^Redirected page .*Foo/'
+			),
+
+			array(
+				null,
+				'Hello world!',
+				EDIT_NEW,
+				'/^Created page .*Hello/'
+			),
+
+			array(
+				'Hello there, world!',
+				'',
+				0,
+				'/^Blanked/'
+			),
+
+			array(
+				'Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy
+				eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam
+				voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet
+				clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.',
+				'Hello world!',
+				0,
+				'/^Replaced .*Hello/'
+			),
+
+			array(
+				'foo',
+				'bar',
+				0,
+				'/^$/'
+			),
+		);
+	}
+
+	/**
+	 * @dataProvider provideGetAutoSummary
+	 * @covers WikiPage::getAutosummary
+	 */
+	public function testGetAutosummary( $old, $new, $flags, $expected ) {
+		$this->hideDeprecated( "WikiPage::getAutosummary" );
+
+		$page = $this->newPage( "WikiPageTest_testGetAutosummary" );
+
+		$summary = $page->getAutosummary( $old, $new, $flags );
+
+		$this->assertTrue( (bool)preg_match( $expected, $summary ),
+			"Autosummary didn't match expected pattern $expected: $summary" );
+	}
+
+	public static function provideGetAutoDeleteReason() {
+		return array(
+			array(
+				array(),
+				false,
+				false
+			),
+
+			array(
+				array(
+					array( "first edit", null ),
+				),
+				"/first edit.*only contributor/",
+				false
+			),
+
+			array(
+				array(
+					array( "first edit", null ),
+					array( "second edit", null ),
+				),
+				"/second edit.*only contributor/",
+				true
+			),
+
+			array(
+				array(
+					array( "first edit", "127.0.2.22" ),
+					array( "second edit", "127.0.3.33" ),
+				),
+				"/second edit/",
+				true
+			),
+
+			array(
+				array(
+					array(
+						"first edit: "
+							. "Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam "
+							. " nonumy eirmod tempor invidunt ut labore et dolore magna "
+							. "aliquyam erat, sed diam voluptua. At vero eos et accusam "
+							. "et justo duo dolores et ea rebum. Stet clita kasd gubergren, "
+							. "no sea  takimata sanctus est Lorem ipsum dolor sit amet.'",
+						null
+					),
+				),
+				'/first edit:.*\.\.\."/',
+				false
+			),
+
+			array(
+				array(
+					array( "first edit", "127.0.2.22" ),
+					array( "", "127.0.3.33" ),
+				),
+				"/before blanking.*first edit/",
+				true
+			),
+
+		);
+	}
+
+	/**
+	 * @dataProvider provideGetAutoDeleteReason
+	 * @covers WikiPage::getAutoDeleteReason
+	 */
+	public function testGetAutoDeleteReason( $edits, $expectedResult, $expectedHistory ) {
+		global $wgUser;
+
+		//NOTE: assume Help namespace to contain wikitext
+		$page = $this->newPage( "Help:WikiPageTest_testGetAutoDeleteReason" );
+
+		$c = 1;
+
+		foreach ( $edits as $edit ) {
+			$user = new User();
+
+			if ( !empty( $edit[1] ) ) {
+				$user->setName( $edit[1] );
+			} else {
+				$user = $wgUser;
+			}
+
+			$content = ContentHandler::makeContent( $edit[0], $page->getTitle(), $page->getContentModel() );
+
+			$page->doEditContent( $content, "test edit $c", $c < 2 ? EDIT_NEW : 0, false, $user );
+
+			$c += 1;
+		}
+
+		$reason = $page->getAutoDeleteReason( $hasHistory );
+
+		if ( is_bool( $expectedResult ) || is_null( $expectedResult ) ) {
+			$this->assertEquals( $expectedResult, $reason );
+		} else {
+			$this->assertTrue( (bool)preg_match( $expectedResult, $reason ),
+				"Autosummary didn't match expected pattern $expectedResult: $reason" );
+		}
+
+		$this->assertEquals( $expectedHistory, $hasHistory,
+			"expected \$hasHistory to be " . var_export( $expectedHistory, true ) );
+
+		$page->doDeleteArticle( "done" );
+	}
+
+	public static function providePreSaveTransform() {
+		return array(
+			array( 'hello this is ~~~',
+				"hello this is [[Special:Contributions/127.0.0.1|127.0.0.1]]",
+			),
+			array( 'hello \'\'this\'\' is <nowiki>~~~</nowiki>',
+				'hello \'\'this\'\' is <nowiki>~~~</nowiki>',
+			),
+		);
+	}
+
+	/**
+	 * @dataProvider providePreSaveTransform
+	 * @covers WikiPage::preSaveTransform
+	 */
+	public function testPreSaveTransform( $text, $expected ) {
+		$this->hideDeprecated( 'WikiPage::preSaveTransform' );
+		$user = new User();
+		$user->setName( "127.0.0.1" );
+
+		//NOTE: assume Help namespace to contain wikitext
+		$page = $this->newPage( "Help:WikiPageTest_testPreloadTransform" );
+		$text = $page->preSaveTransform( $text, $user );
+
+		$this->assertEquals( $expected, $text );
+	}
+
+	/**
+	 * @covers WikiPage::factory
+	 */
+	public function testWikiPageFactory() {
+		$title = Title::makeTitle( NS_FILE, 'Someimage.png' );
+		$page = WikiPage::factory( $title );
+		$this->assertEquals( 'WikiFilePage', get_class( $page ) );
+
+		$title = Title::makeTitle( NS_CATEGORY, 'SomeCategory' );
+		$page = WikiPage::factory( $title );
+		$this->assertEquals( 'WikiCategoryPage', get_class( $page ) );
+
+		$title = Title::makeTitle( NS_MAIN, 'SomePage' );
+		$page = WikiPage::factory( $title );
+		$this->assertEquals( 'WikiPage', get_class( $page ) );
+	}
+}