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-rw-r--r--tests/phpunit/maintenance/backupPrefetchTest.php277
1 files changed, 277 insertions, 0 deletions
diff --git a/tests/phpunit/maintenance/backupPrefetchTest.php b/tests/phpunit/maintenance/backupPrefetchTest.php
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+++ b/tests/phpunit/maintenance/backupPrefetchTest.php
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+<?php
+
+require_once __DIR__ . "/../../../maintenance/backupPrefetch.inc";
+
+/**
+ * Tests for BaseDump
+ *
+ * @group Dump
+ * @covers BaseDump
+ */
+class BaseDumpTest extends MediaWikiTestCase {
+
+ /**
+ * @var BaseDump The BaseDump instance used within a test.
+ *
+ * If set, this BaseDump gets automatically closed in tearDown.
+ */
+ private $dump = null;
+
+ protected function tearDown() {
+ if ( $this->dump !== null ) {
+ $this->dump->close();
+ }
+
+ // Bug 37458, parent teardown need to be done after closing the
+ // dump or it might cause some permissions errors.
+ parent::tearDown();
+ }
+
+ /**
+ * asserts that a prefetch yields an expected string
+ *
+ * @param string|null $expected The exepcted result of the prefetch
+ * @param int $page The page number to prefetch the text for
+ * @param int $revision The revision number to prefetch the text for
+ */
+ private function assertPrefetchEquals( $expected, $page, $revision ) {
+ $this->assertEquals( $expected, $this->dump->prefetch( $page, $revision ),
+ "Prefetch of page $page revision $revision" );
+ }
+
+ function testSequential() {
+ $fname = $this->setUpPrefetch();
+ $this->dump = new BaseDump( $fname );
+
+ $this->assertPrefetchEquals( "BackupDumperTestP1Text1", 1, 1 );
+ $this->assertPrefetchEquals( "BackupDumperTestP2Text1", 2, 2 );
+ $this->assertPrefetchEquals( "BackupDumperTestP2Text4 some additional Text", 2, 5 );
+ $this->assertPrefetchEquals( "Talk about BackupDumperTestP1 Text1", 4, 8 );
+ }
+
+ function testSynchronizeRevisionMissToRevision() {
+ $fname = $this->setUpPrefetch();
+ $this->dump = new BaseDump( $fname );
+
+ $this->assertPrefetchEquals( "BackupDumperTestP2Text1", 2, 2 );
+ $this->assertPrefetchEquals( null, 2, 3 );
+ $this->assertPrefetchEquals( "BackupDumperTestP2Text4 some additional Text", 2, 5 );
+ }
+
+ function testSynchronizeRevisionMissToPage() {
+ $fname = $this->setUpPrefetch();
+ $this->dump = new BaseDump( $fname );
+
+ $this->assertPrefetchEquals( "BackupDumperTestP2Text1", 2, 2 );
+ $this->assertPrefetchEquals( null, 2, 40 );
+ $this->assertPrefetchEquals( "Talk about BackupDumperTestP1 Text1", 4, 8 );
+ }
+
+ function testSynchronizePageMiss() {
+ $fname = $this->setUpPrefetch();
+ $this->dump = new BaseDump( $fname );
+
+ $this->assertPrefetchEquals( "BackupDumperTestP2Text1", 2, 2 );
+ $this->assertPrefetchEquals( null, 3, 40 );
+ $this->assertPrefetchEquals( "Talk about BackupDumperTestP1 Text1", 4, 8 );
+ }
+
+ function testPageMissAtEnd() {
+ $fname = $this->setUpPrefetch();
+ $this->dump = new BaseDump( $fname );
+
+ $this->assertPrefetchEquals( "BackupDumperTestP2Text1", 2, 2 );
+ $this->assertPrefetchEquals( null, 6, 40 );
+ }
+
+ function testRevisionMissAtEnd() {
+ $fname = $this->setUpPrefetch();
+ $this->dump = new BaseDump( $fname );
+
+ $this->assertPrefetchEquals( "BackupDumperTestP2Text1", 2, 2 );
+ $this->assertPrefetchEquals( null, 4, 40 );
+ }
+
+ function testSynchronizePageMissAtStart() {
+ $fname = $this->setUpPrefetch();
+ $this->dump = new BaseDump( $fname );
+
+ $this->assertPrefetchEquals( null, 0, 2 );
+ $this->assertPrefetchEquals( "BackupDumperTestP2Text1", 2, 2 );
+ }
+
+ function testSynchronizeRevisionMissAtStart() {
+ $fname = $this->setUpPrefetch();
+ $this->dump = new BaseDump( $fname );
+
+ $this->assertPrefetchEquals( null, 1, -2 );
+ $this->assertPrefetchEquals( "BackupDumperTestP2Text1", 2, 2 );
+ }
+
+ function testSequentialAcrossFiles() {
+ $fname1 = $this->setUpPrefetch( array( 1 ) );
+ $fname2 = $this->setUpPrefetch( array( 2, 4 ) );
+ $this->dump = new BaseDump( $fname1 . ";" . $fname2 );
+
+ $this->assertPrefetchEquals( "BackupDumperTestP1Text1", 1, 1 );
+ $this->assertPrefetchEquals( "BackupDumperTestP2Text1", 2, 2 );
+ $this->assertPrefetchEquals( "BackupDumperTestP2Text4 some additional Text", 2, 5 );
+ $this->assertPrefetchEquals( "Talk about BackupDumperTestP1 Text1", 4, 8 );
+ }
+
+ function testSynchronizeSkipAcrossFile() {
+ $fname1 = $this->setUpPrefetch( array( 1 ) );
+ $fname2 = $this->setUpPrefetch( array( 2 ) );
+ $fname3 = $this->setUpPrefetch( array( 4 ) );
+ $this->dump = new BaseDump( $fname1 . ";" . $fname2 . ";" . $fname3 );
+
+ $this->assertPrefetchEquals( "BackupDumperTestP1Text1", 1, 1 );
+ $this->assertPrefetchEquals( "Talk about BackupDumperTestP1 Text1", 4, 8 );
+ }
+
+ function testSynchronizeMissInWholeFirstFile() {
+ $fname1 = $this->setUpPrefetch( array( 1 ) );
+ $fname2 = $this->setUpPrefetch( array( 2 ) );
+ $this->dump = new BaseDump( $fname1 . ";" . $fname2 );
+
+ $this->assertPrefetchEquals( "BackupDumperTestP2Text1", 2, 2 );
+ }
+
+ /**
+ * Constructs a temporary file that can be used for prefetching
+ *
+ * The temporary file is removed by DumpBackup upon tearDown.
+ *
+ * @param array $requested_pages The indices of the page parts that should
+ * go into the prefetch file. 1,2,4 are available.
+ * @return string The file name of the created temporary file
+ */
+ private function setUpPrefetch( $requested_pages = array( 1, 2, 4 ) ) {
+ // The file name, where we store the prepared prefetch file
+ $fname = $this->getNewTempFile();
+
+ // The header of every prefetch file
+ // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
+ $header = '<mediawiki xmlns="http://www.mediawiki.org/xml/export-0.7/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.mediawiki.org/xml/export-0.7/ http://www.mediawiki.org/xml/export-0.7.xsd" version="0.7" 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>
+';
+ // @codingStandardsIgnoreEnd
+
+ // An array holding the pages that are available for prefetch
+ $available_pages = array();
+
+ // Simple plain page
+ $available_pages[1] = ' <page>
+ <title>BackupDumperTestP1</title>
+ <ns>0</ns>
+ <id>1</id>
+ <revision>
+ <id>1</id>
+ <timestamp>2012-04-01T16:46:05Z</timestamp>
+ <contributor>
+ <ip>127.0.0.1</ip>
+ </contributor>
+ <comment>BackupDumperTestP1Summary1</comment>
+ <sha1>0bolhl6ol7i6x0e7yq91gxgaan39j87</sha1>
+ <text xml:space="preserve">BackupDumperTestP1Text1</text>
+ <model name="wikitext">1</model>
+ <format mime="text/x-wiki">1</format>
+ </revision>
+ </page>
+';
+ // Page with more than one revisions. Hole in rev ids.
+ $available_pages[2] = ' <page>
+ <title>BackupDumperTestP2</title>
+ <ns>0</ns>
+ <id>2</id>
+ <revision>
+ <id>2</id>
+ <timestamp>2012-04-01T16:46:05Z</timestamp>
+ <contributor>
+ <ip>127.0.0.1</ip>
+ </contributor>
+ <comment>BackupDumperTestP2Summary1</comment>
+ <sha1>jprywrymfhysqllua29tj3sc7z39dl2</sha1>
+ <text xml:space="preserve">BackupDumperTestP2Text1</text>
+ <model name="wikitext">1</model>
+ <format mime="text/x-wiki">1</format>
+ </revision>
+ <revision>
+ <id>5</id>
+ <parentid>2</parentid>
+ <timestamp>2012-04-01T16:46:05Z</timestamp>
+ <contributor>
+ <ip>127.0.0.1</ip>
+ </contributor>
+ <comment>BackupDumperTestP2Summary4 extra</comment>
+ <sha1>6o1ciaxa6pybnqprmungwofc4lv00wv</sha1>
+ <text xml:space="preserve">BackupDumperTestP2Text4 some additional Text</text>
+ <model name="wikitext">1</model>
+ <format mime="text/x-wiki">1</format>
+ </revision>
+ </page>
+';
+ // Page with id higher than previous id + 1
+ $available_pages[4] = ' <page>
+ <title>Talk:BackupDumperTestP1</title>
+ <ns>1</ns>
+ <id>4</id>
+ <revision>
+ <id>8</id>
+ <timestamp>2012-04-01T16:46:05Z</timestamp>
+ <contributor>
+ <ip>127.0.0.1</ip>
+ </contributor>
+ <comment>Talk BackupDumperTestP1 Summary1</comment>
+ <sha1>nktofwzd0tl192k3zfepmlzxoax1lpe</sha1>
+ <model name="wikitext">1</model>
+ <format mime="text/x-wiki">1</format>
+ <text xml:space="preserve">Talk about BackupDumperTestP1 Text1</text>
+ </revision>
+ </page>
+';
+
+ // The common ending for all files
+ $tail = '</mediawiki>
+';
+
+ // Putting together the content of the prefetch files
+ $content = $header;
+ foreach ( $requested_pages as $i ) {
+ $this->assertTrue( array_key_exists( $i, $available_pages ),
+ "Check for availability of requested page " . $i );
+ $content .= $available_pages[$i];
+ }
+ $content .= $tail;
+
+ $this->assertEquals( strlen( $content ), file_put_contents(
+ $fname, $content ), "Length of prepared prefetch" );
+
+ return $fname;
+ }
+}
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