CentralAuthDatabaseManagerTest.php
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CentralAuthDatabaseManagerTest.php
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	<?php

	use MediaWiki\Config\ServiceOptions;
	use MediaWiki\Extension\CentralAuth\CentralAuthDatabaseManager;
	use MediaWiki\Extension\CentralAuth\CentralAuthReadOnlyError;
	use Wikimedia\Rdbms\IDatabase;
	use Wikimedia\Rdbms\IReadableDatabase;
	use Wikimedia\Rdbms\LBFactory;
	use Wikimedia\Rdbms\ReadOnlyMode;

	/**
	* @covers \MediaWiki\Extension\CentralAuth\CentralAuthDatabaseManager
	* @todo Convert to a pure unit test. Currently testGetCentralDBPrimaryReadOnly() needs global
	* state, as it creates the CentralAuthReadOnlyError, which as an ErrorPageError creates the
	* translations for it using global state (wfMessage()). This is tracked as T281935.
	*/
	class CentralAuthDatabaseManagerTest extends MediaWikiIntegrationTestCase {

	public function testGetReadOnlyReasonReadOnlyMode() {
	$roReason = 'Database switchover script broke and left everything read only';
	$roMode = $this->createMock( ReadOnlyMode::class );
	$roMode->method( 'isReadOnly' )->willReturn( true );
	$roMode->method( 'getReason' )->willReturn( $roReason );

	// Override global mode for ReadOnlyError::__construct()
	$this->overrideMwServices( null,
	[
	'ReadOnlyMode' => static function () use ( $roMode ) {
	return $roMode;
	}
	]
	);

	$manager = new CentralAuthDatabaseManager(
	new ServiceOptions(
	CentralAuthDatabaseManager::CONSTRUCTOR_OPTIONS,
	[
	'CentralAuthReadOnly' => false,
	]
	),
	$this->createMock( LBFactory::class ),
	$roMode
	);

	$this->expectException( ReadOnlyError::class );
	$this->expectExceptionMessageMatches( '/' . preg_quote( $roReason, '/' ) . '/' );
	$manager->assertNotReadOnly();
	}

	public function testGetReadOnlyReasonDatabase() {
	$roReason = 'replace this with the real reason before the maintenance window';

	$lbFactory = $this->createMock( LBFactory::class );

	$roMode = $this->createMock( ReadOnlyMode::class );

	$roMode->method( 'isReadOnly' )->willReturn( false );
	$roMode->method( 'getReason' )->willReturn( $roReason );

	$manager = new CentralAuthDatabaseManager(
	new ServiceOptions(
	CentralAuthDatabaseManager::CONSTRUCTOR_OPTIONS,
	[
	'CentralAuthReadOnly' => false,
	]
	),
	$lbFactory,
	$roMode
	);

	$this->expectException( CentralAuthReadOnlyError::class );
	$this->expectExceptionMessageMatches( '/' . preg_quote( $roReason, '/' ) . '/' );
	$manager->assertNotReadOnly();
	}

	public function testGetReadOnlyReasonWriteable() {
	$lbFactory = $this->createMock( LBFactory::class );

	$roMode = $this->createMock( ReadOnlyMode::class );

	$roMode->method( 'isReadOnly' )->willReturn( false );
	$roMode->method( 'getReason' )->willReturn( false );

	$manager = new CentralAuthDatabaseManager(
	new ServiceOptions(
	CentralAuthDatabaseManager::CONSTRUCTOR_OPTIONS,
	[
	'CentralAuthReadOnly' => false,
	]
	),
	$lbFactory,
	$roMode
	);

	$this->assertFalse( $manager->isReadOnly() );
	$manager->assertNotReadOnly();
	}

	public function testGetCentralDBPrimaryReadOnly() {
	$database = $this->createMock( IDatabase::class );

	$lbFactory = $this->createNoOpMock( LBFactory::class );
	$lbFactory->method( 'getPrimaryDatabase' )->with( 'virtual-centralauth' )->willReturn( $database );

	$roMode = $this->createMock( ReadOnlyMode::class );
	$roMode->method( 'isReadOnly' )->willReturn( false );

	$manager = new CentralAuthDatabaseManager(
	new ServiceOptions(
	CentralAuthDatabaseManager::CONSTRUCTOR_OPTIONS,
	[
	'CentralAuthReadOnly' => true,
	]
	),
	$lbFactory,
	$roMode
	);

	$this->expectException( CentralAuthReadOnlyError::class );
	$manager->getCentralPrimaryDB();
	}

	public function testGetCentralDBReplicaReadOnly() {
	$database = $this->createMock( IReadableDatabase::class );

	$lbFactory = $this->createMock( LBFactory::class );
	$lbFactory->method( 'getReplicaDatabase' )->with( 'virtual-centralauth' )->willReturn( $database );

	$roMode = $this->createMock( ReadOnlyMode::class );
	$roMode->method( 'isReadOnly' )->willReturn( false );

	$manager = new CentralAuthDatabaseManager(
	new ServiceOptions(
	CentralAuthDatabaseManager::CONSTRUCTOR_OPTIONS,
	[
	'CentralAuthReadOnly' => true,
	]
	),
	$lbFactory,
	$roMode
	);

	$this->assertEquals( $database, $manager->getCentralReplicaDB() );
	}
	}

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