+<?php
+/**
+ * @covers Interwiki
+ *
+ * @group MediaWiki
+ * @group Database
+ */
+class InterwikiTest extends MediaWikiTestCase {
+
+ public function testConstructor() {
+ $interwiki = new Interwiki(
+ 'xyz',
+ 'http://xyz.acme.test/wiki/$1',
+ 'http://xyz.acme.test/w/api.php',
+ 'xyzwiki',
+ 1,
+ 0
+ );
+
+ $this->setContentLang( 'qqx' );
+
+ $this->assertSame( '(interwiki-name-xyz)', $interwiki->getName() );
+ $this->assertSame( '(interwiki-desc-xyz)', $interwiki->getDescription() );
+ $this->assertSame( 'http://xyz.acme.test/w/api.php', $interwiki->getAPI() );
+ $this->assertSame( 'http://xyz.acme.test/wiki/$1', $interwiki->getURL() );
+ $this->assertSame( 'xyzwiki', $interwiki->getWikiID() );
+ $this->assertTrue( $interwiki->isLocal() );
+ $this->assertFalse( $interwiki->isTranscludable() );
+ }
+
+ public function testGetUrl() {
+ $interwiki = new Interwiki(
+ 'xyz',
+ 'http://xyz.acme.test/wiki/$1'
+ );
+
+ $this->assertSame( 'http://xyz.acme.test/wiki/$1', $interwiki->getURL() );
+ $this->assertSame( 'http://xyz.acme.test/wiki/Foo%26Bar', $interwiki->getURL( 'Foo&Bar' ) );
+ }
+
+ //// tests for static data access methods below ///////////////////////////////////////////////
+
+ private function populateDB( $iwrows ) {
+ $dbw = wfGetDB( DB_MASTER );
+ $dbw->delete( 'interwiki', '*', __METHOD__ );
+ $dbw->insert( 'interwiki', array_values( $iwrows ), __METHOD__ );
+ $this->tablesUsed[] = 'interwiki';
+ }
+
+ public function testDatabaseStorage() {
+ // NOTE: database setup is expensive, so we only do
+ // it once and run all the tests in one go.
+ $dewiki = [
+ 'iw_prefix' => 'de',
+ 'iw_url' => 'http://de.wikipedia.org/wiki/',
+ 'iw_api' => 'http://de.wikipedia.org/w/api.php',
+ 'iw_wikiid' => 'dewiki',
+ 'iw_local' => 1,
+ 'iw_trans' => 0
+ ];
+
+ $zzwiki = [
+ 'iw_prefix' => 'zz',
+ 'iw_url' => 'http://zzwiki.org/wiki/',
+ 'iw_api' => 'http://zzwiki.org/w/api.php',
+ 'iw_wikiid' => 'zzwiki',
+ 'iw_local' => 0,
+ 'iw_trans' => 0
+ ];
+
+ $this->populateDB( [ $dewiki, $zzwiki ] );
+
+ Interwiki::resetLocalCache();
+ $this->setMwGlobals( 'wgInterwikiCache', false );
+
+ $this->assertEquals(
+ [ $dewiki, $zzwiki ],
+ Interwiki::getAllPrefixes(),
+ 'getAllPrefixes()'
+ );
+ $this->assertEquals(
+ [ $dewiki ],
+ Interwiki::getAllPrefixes( true ),
+ 'getAllPrefixes()'
+ );
+ $this->assertEquals(
+ [ $zzwiki ],
+ Interwiki::getAllPrefixes( false ),
+ 'getAllPrefixes()'
+ );
+
+ $this->assertTrue( Interwiki::isValidInterwiki( 'de' ), 'known prefix is valid' );
+ $this->assertFalse( Interwiki::isValidInterwiki( 'xyz' ), 'unknown prefix is valid' );
+
+ $this->assertNull( Interwiki::fetch( null ), 'no prefix' );
+ $this->assertFalse( Interwiki::fetch( 'xyz' ), 'unknown prefix' );
+
+ $interwiki = Interwiki::fetch( 'de' );
+ $this->assertInstanceOf( 'Interwiki', $interwiki );
+ $this->assertSame( $interwiki, Interwiki::fetch( 'de' ), 'in-process caching' );
+
+ $this->assertSame( 'http://de.wikipedia.org/wiki/', $interwiki->getURL(), 'getURL' );
+ $this->assertSame( 'http://de.wikipedia.org/w/api.php', $interwiki->getAPI(), 'getAPI' );
+ $this->assertSame( 'dewiki', $interwiki->getWikiID(), 'getWikiID' );
+ $this->assertSame( true, $interwiki->isLocal(), 'isLocal' );
+ $this->assertSame( false, $interwiki->isTranscludable(), 'isTranscludable' );
+
+ Interwiki::invalidateCache( 'de' );
+ $this->assertNotSame( $interwiki, Interwiki::fetch( 'de' ), 'invalidate cache' );
+ }
+
+ /**
+ * @param string $thisSite
+ * @param string[] $local
+ * @param string[] $global
+ *
+ * @return string[]
+ */
+ private function populateHash( $thisSite, $local, $global ) {
+ $hash = [];
+ $hash[ '__sites:' . wfWikiID() ] = $thisSite;
+
+ $globals = [];
+ $locals = [];
+
+ foreach ( $local as $row ) {
+ $prefix = $row['iw_prefix'];
+ $data = $row['iw_local'] . ' ' . $row['iw_url'];
+ $locals[] = $prefix;
+ $hash[ "_{$thisSite}:{$prefix}" ] = $data;
+ }
+
+ foreach ( $global as $row ) {
+ $prefix = $row['iw_prefix'];
+ $data = $row['iw_local'] . ' ' . $row['iw_url'];
+ $globals[] = $prefix;
+ $hash[ "__global:{$prefix}" ] = $data;
+ }
+
+ $hash[ '__list:__global' ] = implode( ' ', $globals );
+ $hash[ '__list:_' . $thisSite ] = implode( ' ', $locals );
+
+ return $hash;
+ }
+
+ private function populateCDB( $thisSite, $local, $global ) {
+ $cdbFile = tempnam( wfTempDir(), 'MW-ClassicInterwikiLookupTest-' ) . '.cdb';
+ $cdb = CdbWriter::open( $cdbFile );
+
+ $hash = $this->populateHash( $thisSite, $local, $global );
+
+ foreach ( $hash as $key => $value ) {
+ $cdb->set( $key, $value );
+ }
+
+ $cdb->close();
+ return $cdbFile;
+ }
+
+ public function testCDBStorage() {
+ // NOTE: CDB setup is expensive, so we only do
+ // it once and run all the tests in one go.
+
+ $dewiki = [
+ 'iw_prefix' => 'de',
+ 'iw_url' => 'http://de.wikipedia.org/wiki/',
+ 'iw_local' => 1
+ ];
+
+ $zzwiki = [
+ 'iw_prefix' => 'zz',
+ 'iw_url' => 'http://zzwiki.org/wiki/',
+ 'iw_local' => 0
+ ];
+
+ $cdbFile = $this->populateCDB(
+ 'en',
+ [ $dewiki ],
+ [ $zzwiki ]
+ );
+
+ Interwiki::resetLocalCache();
+ $this->setMwGlobals( 'wgInterwikiCache', $cdbFile );
+
+ $this->assertEquals(
+ [ $dewiki, $zzwiki ],
+ Interwiki::getAllPrefixes(),
+ 'getAllPrefixes()'
+ );
+
+ $this->assertTrue( Interwiki::isValidInterwiki( 'de' ), 'known prefix is valid' );
+ $this->assertTrue( Interwiki::isValidInterwiki( 'zz' ), 'known prefix is valid' );
+
+ $interwiki = Interwiki::fetch( 'de' );
+ $this->assertInstanceOf( 'Interwiki', $interwiki );
+
+ $this->assertSame( 'http://de.wikipedia.org/wiki/', $interwiki->getURL(), 'getURL' );
+ $this->assertSame( true, $interwiki->isLocal(), 'isLocal' );
+
+ $interwiki = Interwiki::fetch( 'zz' );
+ $this->assertInstanceOf( 'Interwiki', $interwiki );
+
+ $this->assertSame( 'http://zzwiki.org/wiki/', $interwiki->getURL(), 'getURL' );
+ $this->assertSame( false, $interwiki->isLocal(), 'isLocal' );
+
+ // cleanup temp file
+ unlink( $cdbFile );
+ }
+
+ public function testArrayStorage() {
+ $dewiki = [
+ 'iw_prefix' => 'de',
+ 'iw_url' => 'http://de.wikipedia.org/wiki/',
+ 'iw_local' => 1
+ ];
+
+ $zzwiki = [
+ 'iw_prefix' => 'zz',
+ 'iw_url' => 'http://zzwiki.org/wiki/',
+ 'iw_local' => 0
+ ];
+
+ $cdbData = $this->populateHash(
+ 'en',
+ [ $dewiki ],
+ [ $zzwiki ]
+ );
+
+ Interwiki::resetLocalCache();
+ $this->setMwGlobals( 'wgInterwikiCache', $cdbData );
+
+ $this->assertEquals(
+ [ $dewiki, $zzwiki ],
+ Interwiki::getAllPrefixes(),
+ 'getAllPrefixes()'
+ );
+
+ $this->assertTrue( Interwiki::isValidInterwiki( 'de' ), 'known prefix is valid' );
+ $this->assertTrue( Interwiki::isValidInterwiki( 'zz' ), 'known prefix is valid' );
+
+ $interwiki = Interwiki::fetch( 'de' );
+ $this->assertInstanceOf( 'Interwiki', $interwiki );
+
+ $this->assertSame( 'http://de.wikipedia.org/wiki/', $interwiki->getURL(), 'getURL' );
+ $this->assertSame( true, $interwiki->isLocal(), 'isLocal' );
+
+ $interwiki = Interwiki::fetch( 'zz' );
+ $this->assertInstanceOf( 'Interwiki', $interwiki );
+
+ $this->assertSame( 'http://zzwiki.org/wiki/', $interwiki->getURL(), 'getURL' );
+ $this->assertSame( false, $interwiki->isLocal(), 'isLocal' );
+ }
+
+}