TitleTest.php
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TitleTest.php
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	<?php

	/**
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License along
	* with this program; if not, write to the Free Software Foundation, Inc.,
	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
	* http://www.gnu.org/copyleft/gpl.html
	*
	* @file
	*/
	namespace MediaWiki\Tests\Unit;

	use MediaWiki\Linker\LinkTarget;
	use MediaWiki\Page\PageIdentity;
	use MediaWiki\Page\PageIdentityValue;
	use MediaWiki\Page\PageReference;
	use MediaWiki\Page\PageReferenceValue;
	use MediaWiki\Title\Title;
	use MediaWiki\Title\TitleValue;
	use MediaWiki\User\UserIdentityValue;
	use MediaWikiUnitTestCase;

	/**
	* @covers \MediaWiki\Title\Title
	*
	* @author DannyS712
	*/
	class TitleTest extends MediaWikiUnitTestCase {

	public function testGetters() {
	// The only way to create a title without needing any services is ::makeTitle
	// link to `w:Project:About Wikipedia#Introduction'
	$title = Title::makeTitle(
	NS_PROJECT,
	'About Wikipedia',
	'Introduction',
	'w'
	);
	$this->assertTrue( $title->isExternal() );
	$this->assertSame( 'w', $title->getInterwiki() );
	$this->assertSame( 'About Wikipedia', $title->getText() );
	$this->assertSame( wfUrlencode( 'About_Wikipedia' ), $title->getPartialURL() );
	$this->assertSame( 'About_Wikipedia', $title->getDBkey() );
	$this->assertSame( NS_PROJECT, $title->getNamespace() );
	$this->assertFalse( $title->isSpecialPage() );
	$this->assertFalse( $title->isConversionTable() );
	$this->assertSame( 'Introduction', $title->getFragment() );
	$this->assertTrue( $title->hasFragment() );
	}

	public function testIsSpecial() {
	// Already checked false above, try with true now
	$title = Title::makeTitle( NS_SPECIAL, 'SpecialPages' );
	$this->assertTrue( $title->isSpecialPage() );
	}

	public function testIsConversionTable() {
	// Already checked false above, try with true now
	$title = Title::makeTitle( NS_MEDIAWIKI, 'Conversiontable/foo' );
	$this->assertTrue( $title->isConversionTable() );
	}

	/**
	* @covers \MediaWiki\Title\Title::legalChars
	*/
	public function testLegalChars() {
	$titlechars = Title::legalChars();

	foreach ( range( 1, 255 ) as $num ) {
	$chr = chr( $num );
	if ( $num <= 0x1f \|\| str_contains( "#[]{}<>\|\x7f", $chr ) ) {
	$this->assertFalse(
	(bool)preg_match( "/[$titlechars]/", $chr ),
	"chr($num) = $chr is not a valid titlechar"
	);
	} else {
	$this->assertTrue(
	(bool)preg_match( "/[$titlechars]/", $chr ),
	"chr($num) = $chr is a valid titlechar"
	);
	}
	}
	}

	public static function provideConvertByteClassToUnicodeClass() {
	return [
	[
	' %!"$&\'()*,\\-.\\/0-9:;=?@A-Z\\\\^_`a-z~\\x80-\\xFF+',
	' %!"$&\'()*,\\-./0-9:;=?@A-Z\\\\\\^_`a-z~+\\u0080-\\uFFFF',
	],
	[
	'QWERTYf-\\xFF+',
	'QWERTYf-\\x7F+\\u0080-\\uFFFF',
	],
	[
	'QWERTY\\x66-\\xFD+',
	'QWERTYf-\\x7F+\\u0080-\\uFFFF',
	],
	[
	'QWERTYf-y+',
	'QWERTYf-y+',
	],
	[
	'QWERTYf-\\x80+',
	'QWERTYf-\\x7F+\\u0080-\\uFFFF',
	],
	[
	'QWERTY\\x66-\\x80+\\x23',
	'QWERTYf-\\x7F+#\\u0080-\\uFFFF',
	],
	[
	'QWERTY\\x66-\\x80+\\xD3',
	'QWERTYf-\\x7F+\\u0080-\\uFFFF',
	],
	[
	'\\\\\\x99',
	'\\\\\\u0080-\\uFFFF',
	],
	[
	'-\\x99',
	'\\-\\u0080-\\uFFFF',
	],
	[
	'QWERTY\\-\\x99',
	'QWERTY\\-\\u0080-\\uFFFF',
	],
	[
	'\\\\x99',
	'\\\\x99',
	],
	[
	'A-\\x9F',
	'A-\\x7F\\u0080-\\uFFFF',
	],
	[
	'\\x66-\\x77QWERTY\\x88-\\x91FXZ',
	'f-wQWERTYFXZ\\u0080-\\uFFFF',
	],
	[
	'\\x66-\\x99QWERTY\\xAA-\\xEEFXZ',
	'f-\\x7FQWERTYFXZ\\u0080-\\uFFFF',
	],
	];
	}

	/**
	* @dataProvider provideConvertByteClassToUnicodeClass
	* @covers \MediaWiki\Title\Title::convertByteClassToUnicodeClass
	*/
	public function testConvertByteClassToUnicodeClass( $byteClass, $unicodeClass ) {
	$this->assertEquals( $unicodeClass, Title::convertByteClassToUnicodeClass( $byteClass ) );
	}

	public static function provideNewFromTitleValue() {
	return [
	[ new TitleValue( NS_MAIN, 'Foo' ) ],
	[ new TitleValue( NS_MAIN, 'Foo', 'bar' ) ],
	[ new TitleValue( NS_USER, 'Hansi_Maier' ) ],
	];
	}

	/**
	* @covers \MediaWiki\Title\Title::newFromLinkTarget
	* @dataProvider provideNewFromTitleValue
	*/
	public function testNewFromLinkTarget( LinkTarget $value ) {
	$title = Title::newFromLinkTarget( $value );

	$dbkey = str_replace( ' ', '_', $value->getText() );
	$this->assertEquals( $dbkey, $title->getDBkey() );
	$this->assertEquals( $value->getNamespace(), $title->getNamespace() );
	$this->assertEquals( $value->getFragment(), $title->getFragment() );
	}

	/**
	* @covers \MediaWiki\Title\Title::newFromLinkTarget
	*/
	public function testNewFromLinkTarget_clone() {
	$title = Title::makeTitle( NS_MAIN, 'Example' );
	$this->assertSame( $title, Title::newFromLinkTarget( $title ) );

	// The Title::NEW_CLONE flag should ensure that a fresh instance is returned.
	$clone = Title::newFromLinkTarget( $title, Title::NEW_CLONE );
	$this->assertNotSame( $title, $clone );
	$this->assertTrue( $clone->equals( $title ) );
	}

	public function provideCastFromLinkTarget() {
	return array_merge( [ [ null ] ], $this->provideNewFromTitleValue() );
	}

	/**
	* @covers \MediaWiki\Title\Title::castFromLinkTarget
	* @dataProvider provideCastFromLinkTarget
	*/
	public function testCastFromLinkTarget( $value ) {
	$title = Title::castFromLinkTarget( $value );

	if ( $value === null ) {
	$this->assertNull( $title );
	} else {
	$dbkey = str_replace( ' ', '_', $value->getText() );
	$this->assertSame( $dbkey, $title->getDBkey() );
	$this->assertSame( $value->getNamespace(), $title->getNamespace() );
	$this->assertSame( $value->getFragment(), $title->getFragment() );
	}
	}

	public static function provideDataForTestSetAndGetFragment() {
	return [
	[ '#fragment', 'fragment' ],
	[ '#fragment_frag', 'fragment frag' ],
	[ 'fragment', 'fragment' ],
	[ 'fragment_frag', 'fragment frag' ],
	];
	}

	/**
	* @covers \MediaWiki\Title\Title::getFragment
	* @covers \MediaWiki\Title\Title::setFragment
	* @covers \MediaWiki\Title\Title::normalizeFragment
	* @dataProvider provideDataForTestSetAndGetFragment
	*/
	public function testSetAndGetFragment( string $fragment, $expected ) {
	$title = Title::makeTitle( NS_MAIN, 'Title' );
	$title->setFragment( $fragment );
	$this->assertSame( $expected, $title->getFragment() );
	}

	public static function provideTitleWithOrWithoutFragments() {
	return [
	[ Title::makeTitle( NS_MAIN, 'Title', 'fragment' ), true ],
	[ Title::makeTitle( NS_MAIN, 'Title' ), false ],
	[ Title::makeTitle( NS_HELP, '' ), false ],
	];
	}

	/**
	* @covers \MediaWiki\Title\Title::hasFragment
	* @dataProvider provideTitleWithOrWithoutFragments
	*/
	public function testHasFragment( Title $title, $expected ) {
	$this->assertSame( $expected, $title->hasFragment() );
	}

	public static function provideCompare() {
	yield 'Title == Title' => [
	Title::makeTitle( NS_MAIN, 'Aa' ),
	Title::makeTitle( NS_MAIN, 'Aa' ),
	0
	];
	yield 'Title > Title, name' => [
	Title::makeTitle( NS_MAIN, 'Ax' ),
	Title::makeTitle( NS_MAIN, 'Aa' ),
	1
	];
	yield 'Title < Title, name' => [
	Title::makeTitle( NS_MAIN, 'Aa' ),
	Title::makeTitle( NS_MAIN, 'Ax' ),
	-1
	];
	yield 'Title > Title, ns' => [
	Title::makeTitle( NS_TALK, 'Aa' ),
	Title::makeTitle( NS_MAIN, 'Aa' ),
	1
	];
	yield 'Title < Title, ns' => [
	Title::makeTitle( NS_SPECIAL, 'Aa' ),
	Title::makeTitle( NS_MAIN, 'Aa' ),
	-1
	];
	yield 'LinkTarget == PageReference' => [
	new TitleValue( NS_MAIN, 'Aa' ),
	new PageReferenceValue( NS_MAIN, 'Aa', PageReference::LOCAL ),
	0
	];
	yield 'Title > PageReference, name' => [
	Title::makeTitle( NS_TALK, 'Aa' ),
	new PageReferenceValue( NS_MAIN, 'Aa', PageReference::LOCAL ),
	1
	];
	yield 'LinkTarget < Title, ns' => [
	new TitleValue( NS_SPECIAL, 'Aa' ),
	Title::makeTitle( NS_MAIN, 'Aa' ),
	-2
	];
	}

	/**
	* @dataProvider provideCompare
	* @covers \MediaWiki\Title\Title::compare
	*/
	public function testCompare( $a, $b, $expected ) {
	if ( $expected > 0 ) {
	$this->assertGreaterThan( 0, Title::compare( $a, $b ) );
	} elseif ( $expected < 0 ) {
	$this->assertLessThan( 0, Title::compare( $a, $b ) );
	} else {
	$this->assertSame( 0, Title::compare( $a, $b ) );
	}
	}

	public function provideCastFromPageIdentity() {
	yield [ null ];

	$fake = $this->createMock( PageIdentity::class );
	$fake->method( 'getId' )->willReturn( 7 );
	$fake->method( 'getNamespace' )->willReturn( NS_MAIN );
	$fake->method( 'getDBkey' )->willReturn( 'Test' );

	yield [ $fake ];

	$fake = $this->createMock( Title::class );
	$fake->method( 'getId' )->willReturn( 7 );
	$fake->method( 'getNamespace' )->willReturn( NS_MAIN );
	$fake->method( 'getDBkey' )->willReturn( 'Test' );

	yield [ $fake ];
	}

	/**
	* @covers \MediaWiki\Title\Title::castFromPageIdentity
	* @dataProvider provideCastFromPageIdentity
	*/
	public function testCastFromPageIdentity( ?PageIdentity $value ) {
	$title = Title::castFromPageIdentity( $value );

	if ( $value === null ) {
	$this->assertNull( $title );
	} elseif ( $value instanceof Title ) {
	$this->assertSame( $value, $title );
	} else {
	$this->assertSame( $value->getId(), $title->getArticleID() );
	$this->assertSame( $value->getNamespace(), $title->getNamespace() );
	$this->assertSame( $value->getDBkey(), $title->getDBkey() );
	}
	}

	public static function provideCastFromPageReference() {
	yield [ new PageReferenceValue( NS_MAIN, 'Test', PageReference::LOCAL ) ];
	}

	/**
	* @covers \MediaWiki\Title\Title::castFromPageReference
	* @dataProvider provideCastFromPageIdentity
	* @dataProvider provideCastFromPageReference
	*/
	public function testCastFromPageReference( ?PageReference $value ) {
	$title = Title::castFromPageReference( $value );

	if ( $value === null ) {
	$this->assertNull( $title );
	} elseif ( $value instanceof Title ) {
	$this->assertSame( $value, $title );
	} else {
	$this->assertSame( $value->getNamespace(), $title->getNamespace() );
	$this->assertSame( $value->getDBkey(), $title->getDBkey() );
	}
	}

	public static function provideCreateFragmentTitle() {
	return [
	[ NS_MAIN, 'Test', 'foo' ],
	[ NS_TALK, 'Test', 'foo', '' ],
	[ NS_CATEGORY, 'Test', 'foo', 'bar' ],
	[ NS_MAIN, 'Test1', '', 'interwiki', 'baz' ]
	];
	}

	/**
	* @covers \MediaWiki\Title\Title::createFragmentTarget
	* @dataProvider provideCreateFragmentTitle
	*/
	public function testCreateFragmentTitle( $namespace, $title, $fragment ) {
	$title = Title::makeTitle( $namespace, $title );
	$fragmentTitle = $title->createFragmentTarget( $fragment );

	$this->assertEquals( $title->getNamespace(), $fragmentTitle->getNamespace() );
	$this->assertEquals( $title->getText(), $fragmentTitle->getText() );
	$this->assertEquals( $title->getInterwiki(), $fragmentTitle->getInterwiki() );
	$this->assertEquals( $fragment, $fragmentTitle->getFragment() );
	}

	public static function provideEquals() {
	yield '(makeTitle) same text' => [
	Title::makeTitle( NS_MAIN, 'Main Page' ),
	Title::makeTitle( NS_MAIN, 'Main Page' ),
	true
	];
	yield '(makeTitle) different text' => [
	Title::makeTitle( NS_MAIN, 'Main Page' ),
	Title::makeTitle( NS_MAIN, 'Not The Main Page' ),
	false
	];
	yield '(makeTitle) different namespace, same text' => [
	Title::makeTitle( NS_MAIN, 'Main Page' ),
	Title::makeTitle( NS_PROJECT, 'Main Page' ),
	false
	];
	yield '(makeTitle) namespace alias' => [
	Title::makeTitle( NS_FILE, 'Example.png' ),
	Title::makeTitle( NS_FILE, 'Example.png' ),
	true
	];
	yield '(makeTitle) same special page' => [
	Title::makeTitle( NS_SPECIAL, 'Version' ),
	Title::makeTitle( NS_SPECIAL, 'Version' ),
	true
	];
	yield '(makeTitle) different special page' => [
	Title::makeTitle( NS_SPECIAL, 'Version' ),
	Title::makeTitle( NS_SPECIAL, 'Recentchanges' ),
	false
	];
	yield '(makeTitle) compare special and normal page' => [
	Title::makeTitle( NS_SPECIAL, 'Version' ),
	Title::makeTitle( NS_MAIN, 'Main Page' ),
	false
	];
	yield '(makeTitle) same fragment' => [
	Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
	Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
	true
	];
	yield '(makeTitle) different fragment (ignored)' => [
	Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
	Title::makeTitle( NS_MAIN, 'Foo', 'Baz', '' ),
	true
	];
	yield '(makeTitle) fragment vs no fragment (ignored)' => [
	Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
	Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
	true
	];
	yield '(makeTitle) same interwiki' => [
	Title::makeTitle( NS_MAIN, 'Foo', '', 'baz' ),
	Title::makeTitle( NS_MAIN, 'Foo', '', 'baz' ),
	true
	];
	yield '(makeTitle) different interwiki' => [
	Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
	Title::makeTitle( NS_MAIN, 'Foo', '', 'baz' ),
	false
	];

	// Wrong type
	yield '(makeTitle vs PageIdentityValue) name text' => [
	Title::makeTitle( NS_MAIN, 'Foo' ),
	new PageIdentityValue( 0, NS_MAIN, 'Foo', PageIdentity::LOCAL ),
	false
	];
	yield '(makeTitle vs TitleValue) name text' => [
	Title::makeTitle( NS_MAIN, 'Foo' ),
	new TitleValue( NS_MAIN, 'Foo' ),
	false
	];
	yield '(makeTitle vs UserIdentityValue) name text' => [
	Title::makeTitle( NS_MAIN, 'Foo' ),
	new UserIdentityValue( 7, 'Foo' ),
	false
	];
	}

	/**
	* @covers \MediaWiki\Title\Title::equals
	* @dataProvider provideEquals
	*/
	public function testEquals( Title $firstValue, $secondValue, $expectedSame ) {
	$this->assertSame(
	$expectedSame,
	$firstValue->equals( $secondValue )
	);
	}

	public static function provideIsSameLinkAs() {
	yield 'same text' => [
	Title::makeTitle( 0, 'Foo' ),
	new TitleValue( 0, 'Foo' ),
	true
	];
	yield 'same namespace' => [
	Title::makeTitle( 1, 'Bar_Baz' ),
	new TitleValue( 1, 'Bar_Baz' ),
	true
	];
	yield 'same text, different namespace' => [
	Title::makeTitle( 0, 'Foo' ),
	new TitleValue( 1, 'Foo' ),
	false
	];
	yield 'different text' => [
	Title::makeTitle( 0, 'Foo' ),
	new TitleValue( 0, 'Foozz' ),
	false
	];
	yield 'different fragment' => [
	Title::makeTitle( 0, 'Foo', '' ),
	new TitleValue( 0, 'Foo', 'Bar' ),
	false
	];
	yield 'different interwiki' => [
	Title::makeTitle( 0, 'Foo', '', 'bar' ),
	new TitleValue( 0, 'Foo', '', '' ),
	false
	];
	}

	/**
	* @covers \MediaWiki\Title\Title::isSameLinkAs
	* @dataProvider provideIsSameLinkAs
	*/
	public function testIsSameLinkAs( Title $firstValue, $secondValue, $expectedSame ) {
	$this->assertSame(
	$expectedSame,
	$firstValue->isSameLinkAs( $secondValue )
	);
	}

	}

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