--- /dev/null
+<?php
+
+require_once __DIR__ . "/../../../maintenance/dumpTextPass.php";
+
+/**
+ * Tests for TextPassDumper that rely on the database
+ *
+ * Some of these tests use the old constuctor for TextPassDumper
+ * and the dump() function, while others use the new loadWithArgv( $args )
+ * function and execute(). This is to ensure both the old and new methods
+ * work properly.
+ *
+ * @group Database
+ * @group Dump
+ * @covers TextPassDumper
+ */
+class TextPassDumperDatabaseTest extends DumpTestCase {
+
+ // We'll add several pages, revision and texts. The following variables hold the
+ // corresponding ids.
+ private $pageId1, $pageId2, $pageId3, $pageId4;
+ private static $numOfPages = 4;
+ private $revId1_1, $textId1_1;
+ private $revId2_1, $textId2_1, $revId2_2, $textId2_2;
+ private $revId2_3, $textId2_3, $revId2_4, $textId2_4;
+ private $revId3_1, $textId3_1, $revId3_2, $textId3_2;
+ private $revId4_1, $textId4_1;
+ private static $numOfRevs = 8;
+
+ function addDBData() {
+ $this->tablesUsed[] = 'page';
+ $this->tablesUsed[] = 'revision';
+ $this->tablesUsed[] = 'ip_changes';
+ $this->tablesUsed[] = 'text';
+
+ $this->mergeMwGlobalArrayValue( 'wgContentHandlers', [
+ "BackupTextPassTestModel" => "BackupTextPassTestModelHandler"
+ ] );
+
+ $ns = $this->getDefaultWikitextNS();
+
+ try {
+ // Simple page
+ $title = Title::newFromText( 'BackupDumperTestP1', $ns );
+ $page = WikiPage::factory( $title );
+ list( $this->revId1_1, $this->textId1_1 ) = $this->addRevision( $page,
+ "BackupDumperTestP1Text1", "BackupDumperTestP1Summary1" );
+ $this->pageId1 = $page->getId();
+
+ // Page with more than one revision
+ $title = Title::newFromText( 'BackupDumperTestP2', $ns );
+ $page = WikiPage::factory( $title );
+ list( $this->revId2_1, $this->textId2_1 ) = $this->addRevision( $page,
+ "BackupDumperTestP2Text1", "BackupDumperTestP2Summary1" );
+ list( $this->revId2_2, $this->textId2_2 ) = $this->addRevision( $page,
+ "BackupDumperTestP2Text2", "BackupDumperTestP2Summary2" );
+ list( $this->revId2_3, $this->textId2_3 ) = $this->addRevision( $page,
+ "BackupDumperTestP2Text3", "BackupDumperTestP2Summary3" );
+ list( $this->revId2_4, $this->textId2_4 ) = $this->addRevision( $page,
+ "BackupDumperTestP2Text4 some additional Text ",
+ "BackupDumperTestP2Summary4 extra " );
+ $this->pageId2 = $page->getId();
+
+ // Deleted page.
+ $title = Title::newFromText( 'BackupDumperTestP3', $ns );
+ $page = WikiPage::factory( $title );
+ list( $this->revId3_1, $this->textId3_1 ) = $this->addRevision( $page,
+ "BackupDumperTestP3Text1", "BackupDumperTestP2Summary1" );
+ list( $this->revId3_2, $this->textId3_2 ) = $this->addRevision( $page,
+ "BackupDumperTestP3Text2", "BackupDumperTestP2Summary2" );
+ $this->pageId3 = $page->getId();
+ $page->doDeleteArticle( "Testing ;)" );
+
+ // Page from non-default namespace and model.
+ // ExportTransform applies.
+
+ if ( $ns === NS_TALK ) {
+ // @todo work around this.
+ throw new MWException( "The default wikitext namespace is the talk namespace. "
+ . " We can't currently deal with that." );
+ }
+
+ $title = Title::newFromText( 'BackupDumperTestP1', NS_TALK );
+ $page = WikiPage::factory( $title );
+ list( $this->revId4_1, $this->textId4_1 ) = $this->addRevision( $page,
+ "Talk about BackupDumperTestP1 Text1",
+ "Talk BackupDumperTestP1 Summary1",
+ "BackupTextPassTestModel" );
+ $this->pageId4 = $page->getId();
+ } catch ( Exception $e ) {
+ // We'd love to pass $e directly. However, ... see
+ // documentation of exceptionFromAddDBData in
+ // DumpTestCase
+ $this->exceptionFromAddDBData = $e;
+ }
+ }
+
+ protected function setUp() {
+ parent::setUp();
+
+ // Since we will restrict dumping by page ranges (to allow
+ // working tests, even if the db gets prepopulated by a base
+ // class), we have to assert, that the page id are consecutively
+ // increasing
+ $this->assertEquals(
+ [ $this->pageId2, $this->pageId3, $this->pageId4 ],
+ [ $this->pageId1 + 1, $this->pageId1 + 2, $this->pageId1 + 3 ],
+ "Page ids increasing without holes" );
+ }
+
+ function testPlain() {
+ // Setting up the dump
+ $nameStub = $this->setUpStub();
+ $nameFull = $this->getNewTempFile();
+ $dumper = new TextPassDumper( [ "--stub=file:" . $nameStub,
+ "--output=file:" . $nameFull ] );
+ $dumper->reporting = false;
+ $dumper->setDB( $this->db );
+
+ // Performing the dump
+ $dumper->dump( WikiExporter::FULL, WikiExporter::TEXT );
+
+ // Checking for correctness of the dumped data
+ $this->assertDumpStart( $nameFull );
+
+ // Page 1
+ $this->assertPageStart( $this->pageId1, NS_MAIN, "BackupDumperTestP1" );
+ $this->assertRevision( $this->revId1_1, "BackupDumperTestP1Summary1",
+ $this->textId1_1, false, "0bolhl6ol7i6x0e7yq91gxgaan39j87",
+ "BackupDumperTestP1Text1" );
+ $this->assertPageEnd();
+
+ // Page 2
+ $this->assertPageStart( $this->pageId2, NS_MAIN, "BackupDumperTestP2" );
+ $this->assertRevision( $this->revId2_1, "BackupDumperTestP2Summary1",
+ $this->textId2_1, false, "jprywrymfhysqllua29tj3sc7z39dl2",
+ "BackupDumperTestP2Text1" );
+ $this->assertRevision( $this->revId2_2, "BackupDumperTestP2Summary2",
+ $this->textId2_2, false, "b7vj5ks32po5m1z1t1br4o7scdwwy95",
+ "BackupDumperTestP2Text2", $this->revId2_1 );
+ $this->assertRevision( $this->revId2_3, "BackupDumperTestP2Summary3",
+ $this->textId2_3, false, "jfunqmh1ssfb8rs43r19w98k28gg56r",
+ "BackupDumperTestP2Text3", $this->revId2_2 );
+ $this->assertRevision( $this->revId2_4, "BackupDumperTestP2Summary4 extra",
+ $this->textId2_4, false, "6o1ciaxa6pybnqprmungwofc4lv00wv",
+ "BackupDumperTestP2Text4 some additional Text", $this->revId2_3 );
+ $this->assertPageEnd();
+
+ // Page 3
+ // -> Page is marked deleted. Hence not visible
+
+ // Page 4
+ $this->assertPageStart( $this->pageId4, NS_TALK, "Talk:BackupDumperTestP1" );
+ $this->assertRevision( $this->revId4_1, "Talk BackupDumperTestP1 Summary1",
+ $this->textId4_1, false, "nktofwzd0tl192k3zfepmlzxoax1lpe",
+ "TALK ABOUT BACKUPDUMPERTESTP1 TEXT1",
+ false,
+ "BackupTextPassTestModel",
+ "text/plain" );
+ $this->assertPageEnd();
+
+ $this->assertDumpEnd();
+ }
+
+ function testPrefetchPlain() {
+ // The mapping between ids and text, for the hits of the prefetch mock
+ $prefetchMap = [
+ [ $this->pageId1, $this->revId1_1, "Prefetch_________1Text1" ],
+ [ $this->pageId2, $this->revId2_3, "Prefetch_________2Text3" ]
+ ];
+
+ // The mock itself
+ $prefetchMock = $this->getMockBuilder( 'BaseDump' )
+ ->setMethods( [ 'prefetch' ] )
+ ->disableOriginalConstructor()
+ ->getMock();
+ $prefetchMock->expects( $this->exactly( 6 ) )
+ ->method( 'prefetch' )
+ ->will( $this->returnValueMap( $prefetchMap ) );
+
+ // Setting up of the dump
+ $nameStub = $this->setUpStub();
+ $nameFull = $this->getNewTempFile();
+
+ $dumper = new TextPassDumper( [ "--stub=file:" . $nameStub,
+ "--output=file:" . $nameFull ] );
+
+ $dumper->prefetch = $prefetchMock;
+ $dumper->reporting = false;
+ $dumper->setDB( $this->db );
+
+ // Performing the dump
+ $dumper->dump( WikiExporter::FULL, WikiExporter::TEXT );
+
+ // Checking for correctness of the dumped data
+ $this->assertDumpStart( $nameFull );
+
+ // Page 1
+ $this->assertPageStart( $this->pageId1, NS_MAIN, "BackupDumperTestP1" );
+ // Prefetch kicks in. This is still the SHA-1 of the original text,
+ // But the actual text (with different SHA-1) comes from prefetch.
+ $this->assertRevision( $this->revId1_1, "BackupDumperTestP1Summary1",
+ $this->textId1_1, false, "0bolhl6ol7i6x0e7yq91gxgaan39j87",
+ "Prefetch_________1Text1" );
+ $this->assertPageEnd();
+
+ // Page 2
+ $this->assertPageStart( $this->pageId2, NS_MAIN, "BackupDumperTestP2" );
+ $this->assertRevision( $this->revId2_1, "BackupDumperTestP2Summary1",
+ $this->textId2_1, false, "jprywrymfhysqllua29tj3sc7z39dl2",
+ "BackupDumperTestP2Text1" );
+ $this->assertRevision( $this->revId2_2, "BackupDumperTestP2Summary2",
+ $this->textId2_2, false, "b7vj5ks32po5m1z1t1br4o7scdwwy95",
+ "BackupDumperTestP2Text2", $this->revId2_1 );
+ // Prefetch kicks in. This is still the SHA-1 of the original text,
+ // But the actual text (with different SHA-1) comes from prefetch.
+ $this->assertRevision( $this->revId2_3, "BackupDumperTestP2Summary3",
+ $this->textId2_3, false, "jfunqmh1ssfb8rs43r19w98k28gg56r",
+ "Prefetch_________2Text3", $this->revId2_2 );
+ $this->assertRevision( $this->revId2_4, "BackupDumperTestP2Summary4 extra",
+ $this->textId2_4, false, "6o1ciaxa6pybnqprmungwofc4lv00wv",
+ "BackupDumperTestP2Text4 some additional Text", $this->revId2_3 );
+ $this->assertPageEnd();
+
+ // Page 3
+ // -> Page is marked deleted. Hence not visible
+
+ // Page 4
+ $this->assertPageStart( $this->pageId4, NS_TALK, "Talk:BackupDumperTestP1" );
+ $this->assertRevision( $this->revId4_1, "Talk BackupDumperTestP1 Summary1",
+ $this->textId4_1, false, "nktofwzd0tl192k3zfepmlzxoax1lpe",
+ "TALK ABOUT BACKUPDUMPERTESTP1 TEXT1",
+ false,
+ "BackupTextPassTestModel",
+ "text/plain" );
+ $this->assertPageEnd();
+
+ $this->assertDumpEnd();
+ }
+
+ /**
+ * Ensures that checkpoint dumps are used and written, by successively increasing the
+ * stub size and dumping until the duration crosses a threshold.
+ *
+ * @param string $checkpointFormat Either "file" for plain text or "gzip" for gzipped
+ * checkpoint files.
+ */
+ private function checkpointHelper( $checkpointFormat = "file" ) {
+ // Getting temporary names
+ $nameStub = $this->getNewTempFile();
+ $nameOutputDir = $this->getNewTempDirectory();
+
+ $stderr = fopen( 'php://output', 'a' );
+ if ( $stderr === false ) {
+ $this->fail( "Could not open stream for stderr" );
+ }
+
+ $iterations = 32; // We'll start with that many iterations of revisions
+ // in stub. Make sure that the generated volume is above the buffer size
+ // set below. Otherwise, the checkpointing does not trigger.
+ $lastDuration = 0;
+ $minDuration = 2; // We want the dump to take at least this many seconds
+ $checkpointAfter = 0.5; // Generate checkpoint after this many seconds
+
+ // Until a dump takes at least $minDuration seconds, perform a dump and check
+ // duration. If the dump did not take long enough increase the iteration
+ // count, to generate a bigger stub file next time.
+ while ( $lastDuration < $minDuration ) {
+ // Setting up the dump
+ wfRecursiveRemoveDir( $nameOutputDir );
+ $this->assertTrue( wfMkdirParents( $nameOutputDir ),
+ "Creating temporary output directory " );
+ $this->setUpStub( $nameStub, $iterations );
+ $dumper = new TextPassDumper();
+ $dumper->loadWithArgv( [ "--stub=file:" . $nameStub,
+ "--output=" . $checkpointFormat . ":" . $nameOutputDir . "/full",
+ "--maxtime=1" /*This is in minutes. Fixup is below*/,
+ "--buffersize=32768", // The default of 32 iterations fill up 32KB about twice
+ "--checkpointfile=checkpoint-%s-%s.xml.gz" ] );
+ $dumper->setDB( $this->db );
+ $dumper->maxTimeAllowed = $checkpointAfter; // Patching maxTime from 1 minute
+ $dumper->stderr = $stderr;
+
+ // The actual dump and taking time
+ $ts_before = microtime( true );
+ $dumper->execute();
+ $ts_after = microtime( true );
+ $lastDuration = $ts_after - $ts_before;
+
+ // Handling increasing the iteration count for the stubs
+ if ( $lastDuration < $minDuration ) {
+ $old_iterations = $iterations;
+ if ( $lastDuration > 0.2 ) {
+ // lastDuration is big enough, to allow an educated guess
+ $factor = ( $minDuration + 0.5 ) / $lastDuration;
+ if ( ( $factor > 1.1 ) && ( $factor < 100 ) ) {
+ // educated guess is reasonable
+ $iterations = (int)( $iterations * $factor );
+ }
+ }
+
+ if ( $old_iterations == $iterations ) {
+ // Heuristics were not applied, so we just *2.
+ $iterations *= 2;
+ }
+
+ $this->assertLessThan( 50000, $iterations,
+ "Emergency stop against infinitely increasing iteration "
+ . "count ( last duration: $lastDuration )" );
+ }
+ }
+
+ // The dump (hopefully) did take long enough to produce more than one
+ // checkpoint file.
+ // We now check all the checkpoint files for validity.
+
+ $files = scandir( $nameOutputDir );
+ $this->assertTrue( asort( $files ), "Sorting files in temporary directory" );
+ $fileOpened = false;
+ $lookingForPage = 1;
+ $checkpointFiles = 0;
+
+ // Each run of the following loop body tries to handle exactly 1 /page/ (not
+ // iteration of stub content). $i is only increased after having treated page 4.
+ for ( $i = 0; $i < $iterations; ) {
+ // 1. Assuring a file is opened and ready. Skipping across header if
+ // necessary.
+ if ( !$fileOpened ) {
+ $this->assertNotEmpty( $files, "No more existing dump files, "
+ . "but not yet all pages found" );
+ $fname = array_shift( $files );
+ while ( $fname == "." || $fname == ".." ) {
+ $this->assertNotEmpty( $files, "No more existing dump"
+ . " files, but not yet all pages found" );
+ $fname = array_shift( $files );
+ }
+ if ( $checkpointFormat == "gzip" ) {
+ $this->gunzip( $nameOutputDir . "/" . $fname );
+ }
+ $this->assertDumpStart( $nameOutputDir . "/" . $fname );
+ $fileOpened = true;
+ $checkpointFiles++;
+ }
+
+ // 2. Performing a single page check
+ switch ( $lookingForPage ) {
+ case 1:
+ // Page 1
+ $this->assertPageStart( $this->pageId1 + $i * self::$numOfPages, NS_MAIN,
+ "BackupDumperTestP1" );
+ $this->assertRevision( $this->revId1_1 + $i * self::$numOfRevs, "BackupDumperTestP1Summary1",
+ $this->textId1_1, false, "0bolhl6ol7i6x0e7yq91gxgaan39j87",
+ "BackupDumperTestP1Text1" );
+ $this->assertPageEnd();
+
+ $lookingForPage = 2;
+ break;
+
+ case 2:
+ // Page 2
+ $this->assertPageStart( $this->pageId2 + $i * self::$numOfPages, NS_MAIN,
+ "BackupDumperTestP2" );
+ $this->assertRevision( $this->revId2_1 + $i * self::$numOfRevs, "BackupDumperTestP2Summary1",
+ $this->textId2_1, false, "jprywrymfhysqllua29tj3sc7z39dl2",
+ "BackupDumperTestP2Text1" );
+ $this->assertRevision( $this->revId2_2 + $i * self::$numOfRevs, "BackupDumperTestP2Summary2",
+ $this->textId2_2, false, "b7vj5ks32po5m1z1t1br4o7scdwwy95",
+ "BackupDumperTestP2Text2", $this->revId2_1 + $i * self::$numOfRevs );
+ $this->assertRevision( $this->revId2_3 + $i * self::$numOfRevs, "BackupDumperTestP2Summary3",
+ $this->textId2_3, false, "jfunqmh1ssfb8rs43r19w98k28gg56r",
+ "BackupDumperTestP2Text3", $this->revId2_2 + $i * self::$numOfRevs );
+ $this->assertRevision( $this->revId2_4 + $i * self::$numOfRevs,
+ "BackupDumperTestP2Summary4 extra",
+ $this->textId2_4, false, "6o1ciaxa6pybnqprmungwofc4lv00wv",
+ "BackupDumperTestP2Text4 some additional Text",
+ $this->revId2_3 + $i * self::$numOfRevs );
+ $this->assertPageEnd();
+
+ $lookingForPage = 4;
+ break;
+
+ case 4:
+ // Page 4
+ $this->assertPageStart( $this->pageId4 + $i * self::$numOfPages, NS_TALK,
+ "Talk:BackupDumperTestP1" );
+ $this->assertRevision( $this->revId4_1 + $i * self::$numOfRevs,
+ "Talk BackupDumperTestP1 Summary1",
+ $this->textId4_1, false, "nktofwzd0tl192k3zfepmlzxoax1lpe",
+ "TALK ABOUT BACKUPDUMPERTESTP1 TEXT1",
+ false,
+ "BackupTextPassTestModel",
+ "text/plain" );
+ $this->assertPageEnd();
+
+ $lookingForPage = 1;
+
+ // We dealt with the whole iteration.
+ $i++;
+ break;
+
+ default:
+ $this->fail( "Bad setting for lookingForPage ($lookingForPage)" );
+ }
+
+ // 3. Checking for the end of the current checkpoint file
+ if ( $this->xml->nodeType == XMLReader::END_ELEMENT
+ && $this->xml->name == "mediawiki"
+ ) {
+ $this->assertDumpEnd();
+ $fileOpened = false;
+ }
+ }
+
+ // Assuring we completely read all files ...
+ $this->assertFalse( $fileOpened, "Currently read file still open?" );
+ $this->assertEmpty( $files, "Remaining unchecked files" );
+
+ // ... and have dealt with more than one checkpoint file
+ $this->assertGreaterThan(
+ 1,
+ $checkpointFiles,
+ "expected more than 1 checkpoint to have been created. "
+ . "Checkpoint interval is $checkpointAfter seconds, maybe your computer is too fast?"
+ );
+
+ $this->expectETAOutput();
+ }
+
+ /**
+ * Broken per T70653.
+ *
+ * @group large
+ * @group Broken
+ */
+ function testCheckpointPlain() {
+ $this->checkpointHelper();
+ }
+
+ /**
+ * tests for working checkpoint generation in gzip format work.
+ *
+ * We keep this test in addition to the simpler self::testCheckpointPlain, as there
+ * were once problems when the used sinks were DumpPipeOutputs.
+ *
+ * xmldumps-backup typically uses bzip2 instead of gzip. However, as bzip2 requires
+ * PHP extensions, we go for gzip instead, which triggers the same relevant code
+ * paths while still being testable on more systems.
+ *
+ * Broken per T70653.
+ *
+ * @group large
+ * @group Broken
+ */
+ function testCheckpointGzip() {
+ $this->checkHasGzip();
+ $this->checkpointHelper( "gzip" );
+ }
+
+ /**
+ * Creates a stub file that is used for testing the text pass of dumps
+ *
+ * @param string $fname (Optional) Absolute name of the file to write
+ * the stub into. If this parameter is null, a new temporary
+ * file is generated that is automatically removed upon tearDown.
+ * @param int $iterations (Optional) specifies how often the block
+ * of 3 pages should go into the stub file. The page and
+ * revision id increase further and further, while the text
+ * id of the first iteration is reused. The pages and revision
+ * of iteration > 1 have no corresponding representation in the database.
+ * @return string Absolute filename of the stub
+ */
+ private function setUpStub( $fname = null, $iterations = 1 ) {
+ if ( $fname === null ) {
+ $fname = $this->getNewTempFile();
+ }
+ $header = '<mediawiki xmlns="http://www.mediawiki.org/xml/export-0.10/" '
+ . 'xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" '
+ . 'xsi:schemaLocation="http://www.mediawiki.org/xml/export-0.10/ '
+ . 'http://www.mediawiki.org/xml/export-0.10.xsd" version="0.10" xml:lang="en">
+ <siteinfo>
+ <sitename>wikisvn</sitename>
+ <base>http://localhost/wiki-svn/index.php/Main_Page</base>
+ <generator>MediaWiki 1.21alpha</generator>
+ <case>first-letter</case>
+ <namespaces>
+ <namespace key="-2" case="first-letter">Media</namespace>
+ <namespace key="-1" case="first-letter">Special</namespace>
+ <namespace key="0" case="first-letter" />
+ <namespace key="1" case="first-letter">Talk</namespace>
+ <namespace key="2" case="first-letter">User</namespace>
+ <namespace key="3" case="first-letter">User talk</namespace>
+ <namespace key="4" case="first-letter">Wikisvn</namespace>
+ <namespace key="5" case="first-letter">Wikisvn talk</namespace>
+ <namespace key="6" case="first-letter">File</namespace>
+ <namespace key="7" case="first-letter">File talk</namespace>
+ <namespace key="8" case="first-letter">MediaWiki</namespace>
+ <namespace key="9" case="first-letter">MediaWiki talk</namespace>
+ <namespace key="10" case="first-letter">Template</namespace>
+ <namespace key="11" case="first-letter">Template talk</namespace>
+ <namespace key="12" case="first-letter">Help</namespace>
+ <namespace key="13" case="first-letter">Help talk</namespace>
+ <namespace key="14" case="first-letter">Category</namespace>
+ <namespace key="15" case="first-letter">Category talk</namespace>
+ </namespaces>
+ </siteinfo>
+';
+ $tail = '</mediawiki>
+';
+
+ $content = $header;
+ $iterations = intval( $iterations );
+ for ( $i = 0; $i < $iterations; $i++ ) {
+ $page1 = ' <page>
+ <title>BackupDumperTestP1</title>
+ <ns>0</ns>
+ <id>' . ( $this->pageId1 + $i * self::$numOfPages ) . '</id>
+ <revision>
+ <id>' . ( $this->revId1_1 + $i * self::$numOfRevs ) . '</id>
+ <timestamp>2012-04-01T16:46:05Z</timestamp>
+ <contributor>
+ <ip>127.0.0.1</ip>
+ </contributor>
+ <comment>BackupDumperTestP1Summary1</comment>
+ <model>wikitext</model>
+ <format>text/x-wiki</format>
+ <text id="' . $this->textId1_1 . '" bytes="23" />
+ <sha1>0bolhl6ol7i6x0e7yq91gxgaan39j87</sha1>
+ </revision>
+ </page>
+';
+ $page2 = ' <page>
+ <title>BackupDumperTestP2</title>
+ <ns>0</ns>
+ <id>' . ( $this->pageId2 + $i * self::$numOfPages ) . '</id>
+ <revision>
+ <id>' . ( $this->revId2_1 + $i * self::$numOfRevs ) . '</id>
+ <timestamp>2012-04-01T16:46:05Z</timestamp>
+ <contributor>
+ <ip>127.0.0.1</ip>
+ </contributor>
+ <comment>BackupDumperTestP2Summary1</comment>
+ <model>wikitext</model>
+ <format>text/x-wiki</format>
+ <text id="' . $this->textId2_1 . '" bytes="23" />
+ <sha1>jprywrymfhysqllua29tj3sc7z39dl2</sha1>
+ </revision>
+ <revision>
+ <id>' . ( $this->revId2_2 + $i * self::$numOfRevs ) . '</id>
+ <parentid>' . ( $this->revId2_1 + $i * self::$numOfRevs ) . '</parentid>
+ <timestamp>2012-04-01T16:46:05Z</timestamp>
+ <contributor>
+ <ip>127.0.0.1</ip>
+ </contributor>
+ <comment>BackupDumperTestP2Summary2</comment>
+ <model>wikitext</model>
+ <format>text/x-wiki</format>
+ <text id="' . $this->textId2_2 . '" bytes="23" />
+ <sha1>b7vj5ks32po5m1z1t1br4o7scdwwy95</sha1>
+ </revision>
+ <revision>
+ <id>' . ( $this->revId2_3 + $i * self::$numOfRevs ) . '</id>
+ <parentid>' . ( $this->revId2_2 + $i * self::$numOfRevs ) . '</parentid>
+ <timestamp>2012-04-01T16:46:05Z</timestamp>
+ <contributor>
+ <ip>127.0.0.1</ip>
+ </contributor>
+ <comment>BackupDumperTestP2Summary3</comment>
+ <model>wikitext</model>
+ <format>text/x-wiki</format>
+ <text id="' . $this->textId2_3 . '" bytes="23" />
+ <sha1>jfunqmh1ssfb8rs43r19w98k28gg56r</sha1>
+ </revision>
+ <revision>
+ <id>' . ( $this->revId2_4 + $i * self::$numOfRevs ) . '</id>
+ <parentid>' . ( $this->revId2_3 + $i * self::$numOfRevs ) . '</parentid>
+ <timestamp>2012-04-01T16:46:05Z</timestamp>
+ <contributor>
+ <ip>127.0.0.1</ip>
+ </contributor>
+ <comment>BackupDumperTestP2Summary4 extra</comment>
+ <model>wikitext</model>
+ <format>text/x-wiki</format>
+ <text id="' . $this->textId2_4 . '" bytes="44" />
+ <sha1>6o1ciaxa6pybnqprmungwofc4lv00wv</sha1>
+ </revision>
+ </page>
+';
+ // page 3 not in stub
+
+ $page4 = ' <page>
+ <title>Talk:BackupDumperTestP1</title>
+ <ns>1</ns>
+ <id>' . ( $this->pageId4 + $i * self::$numOfPages ) . '</id>
+ <revision>
+ <id>' . ( $this->revId4_1 + $i * self::$numOfRevs ) . '</id>
+ <timestamp>2012-04-01T16:46:05Z</timestamp>
+ <contributor>
+ <ip>127.0.0.1</ip>
+ </contributor>
+ <comment>Talk BackupDumperTestP1 Summary1</comment>
+ <model>BackupTextPassTestModel</model>
+ <format>text/plain</format>
+ <text id="' . $this->textId4_1 . '" bytes="35" />
+ <sha1>nktofwzd0tl192k3zfepmlzxoax1lpe</sha1>
+ </revision>
+ </page>
+';
+ $content .= $page1 . $page2 . $page4;
+ }
+ $content .= $tail;
+ $this->assertEquals( strlen( $content ), file_put_contents(
+ $fname, $content ), "Length of prepared stub" );
+
+ return $fname;
+ }
+}
+
+class BackupTextPassTestModelHandler extends TextContentHandler {
+
+ public function __construct() {
+ parent::__construct( 'BackupTextPassTestModel' );
+ }
+
+ public function exportTransform( $text, $format = null ) {
+ return strtoupper( $text );
+ }
+
+}
+
+/**
+ * Tests for TextPassDumper that do not rely on the database
+ *
+ * (As the Database group is only detected at class level (not method level), we
+ * cannot bring this test case's tests into the above main test case.)
+ *
+ * @group Dump
+ * @covers TextPassDumper
+ */
+class TextPassDumperDatabaselessTest extends MediaWikiLangTestCase {
+ /**
+ * Ensures that setting the buffer size is effective.
+ *
+ * @dataProvider bufferSizeProvider
+ */
+ function testBufferSizeSetting( $expected, $size, $msg ) {
+ $dumper = new TextPassDumperAccessor();
+ $dumper->loadWithArgv( [ "--buffersize=" . $size ] );
+ $dumper->execute();
+ $this->assertEquals( $expected, $dumper->getBufferSize(), $msg );
+ }
+
+ /**
+ * Ensures that setting the buffer size is effective.
+ *
+ * @dataProvider bufferSizeProvider
+ */
+ function bufferSizeProvider() {
+ // expected, bufferSize to initialize with, message
+ return [
+ [ 512 * 1024, 512 * 1024, "Setting 512KB is not effective" ],
+ [ 8192, 8192, "Setting 8KB is not effective" ],
+ [ 4096, 2048, "Could set buffer size below lower bound" ]
+ ];
+ }
+}
+
+/**
+ * Accessor for internal state of TextPassDumper
+ *
+ * Do not warrentless add getters here.
+ */
+class TextPassDumperAccessor extends TextPassDumper {
+ /**
+ * Gets the bufferSize.
+ *
+ * If bufferSize setting does not work correctly, testCheckpoint... tests
+ * fail and point in the wrong direction. To aid in troubleshooting when
+ * testCheckpoint... tests break at some point in the future, we test the
+ * bufferSize setting, hence need this accessor.
+ *
+ * (Yes, bufferSize is internal state of the TextPassDumper, but aiding
+ * debugging of testCheckpoint... in the future seems to be worth testing
+ * against it nonetheless.)
+ */
+ public function getBufferSize() {
+ return $this->bufferSize;
+ }
+
+ function dump( $history, $text = null ) {
+ return true;
+ }
+}
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