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<?php
/**
* @group Database
*
* @covers ReadOnlyMode
* @covers ConfiguredReadOnlyMode
*/
class ReadOnlyModeTest extends MediaWikiTestCase {
public function provider() {
$rawTests = [
'None of anything' => [
'confMessage' => null,
'hasFileName' => false,
'fileContents' => false,
'lbMessage' => false,
'expectedState' => false,
'expectedMessage' => false,
'expectedConfState' => false,
'expectedConfMessage' => false
],
'File missing' => [
'confMessage' => null,
'hasFileName' => true,
'fileContents' => false,
'lbMessage' => false,
'expectedState' => false,
'expectedMessage' => false,
'expectedConfState' => false,
'expectedConfMessage' => false
],
'File empty' => [
'confMessage' => null,
'hasFileName' => true,
'fileContents' => '',
'lbMessage' => false,
'expectedState' => false,
'expectedMessage' => false,
'expectedConfState' => false,
'expectedConfMessage' => false
],
'File has message' => [
'confMessage' => null,
'hasFileName' => true,
'fileContents' => 'Message',
'lbMessage' => false,
'expectedState' => true,
'expectedMessage' => 'Message',
'expectedConfState' => true,
'expectedConfMessage' => 'Message',
],
'Conf has message' => [
'confMessage' => 'Message',
'hasFileName' => false,
'fileContents' => false,
'lbMessage' => false,
'expectedState' => true,
'expectedMessage' => 'Message',
'expectedConfState' => true,
'expectedConfMessage' => 'Message'
],
"Conf=false means don't check the file" => [
'confMessage' => false,
'hasFileName' => true,
'fileContents' => 'Message',
'lbMessage' => false,
'expectedState' => false,
'expectedMessage' => false,
'expectedConfState' => false,
'expectedConfMessage' => false,
],
'LB has message' => [
'confMessage' => null,
'hasFileName' => false,
'fileContents' => false,
'lbMessage' => 'Message',
'expectedState' => true,
'expectedMessage' => 'Message',
'expectedConfState' => false,
'expectedConfMessage' => false
],
'All three have a message: conf wins' => [
'confMessage' => 'conf',
'hasFileName' => true,
'fileContents' => 'file',
'lbMessage' => 'lb',
'expectedState' => true,
'expectedMessage' => 'conf',
'expectedConfState' => true,
'expectedConfMessage' => 'conf'
]
];
$cookedTests = [];
foreach ( $rawTests as $desc => $test ) {
$cookedTests[$desc] = [ $test ];
}
return $cookedTests;
}
private function createMode( $params, $makeLB ) {
$config = new HashConfig( [
'ReadOnly' => $params['confMessage'],
'ReadOnlyFile' => $this->createFile( $params ),
] );
$rom = new ConfiguredReadOnlyMode( $config );
if ( $makeLB ) {
$lb = $this->createLB( $params );
$rom = new ReadOnlyMode( $rom, $lb );
}
return $rom;
}
private function createLB( $params ) {
$lb = $this->getMockBuilder( \Wikimedia\Rdbms\LoadBalancer::class )
->disableOriginalConstructor()
->getMock();
$lb->expects( $this->any() )->method( 'getReadOnlyReason' )
->willReturn( $params['lbMessage'] );
return $lb;
}
private function createFile( $params ) {
if ( $params['hasFileName'] ) {
$fileName = $this->getNewTempFile();
if ( $params['fileContents'] === false ) {
unlink( $fileName );
} else {
file_put_contents( $fileName, $params['fileContents'] );
}
} else {
$fileName = null;
}
return $fileName;
}
/**
* @dataProvider provider
*/
public function testWithLB( $params ) {
$rom = $this->createMode( $params, true );
$this->assertSame( $params['expectedMessage'], $rom->getReason() );
$this->assertSame( $params['expectedState'], $rom->isReadOnly() );
}
/**
* @dataProvider provider
*/
public function testWithoutLB( $params ) {
$cro = $this->createMode( $params, false );
$this->assertSame( $params['expectedConfMessage'], $cro->getReason() );
$this->assertSame( $params['expectedConfState'], $cro->isReadOnly() );
}
public function testSetReadOnlyReason() {
$rom = $this->createMode(
[
'confMessage' => 'conf',
'hasFileName' => false,
'fileContents' => false,
'lbMessage' => 'lb'
],
true );
$rom->setReason( 'override' );
$this->assertSame( 'override', $rom->getReason() );
}
/**
* @covers ReadOnlyMode::clearCache
* @covers ConfiguredReadOnlyMode::clearCache
*/
public function testClearCache() {
$fileName = $this->getNewTempFile();
unlink( $fileName );
$config = new HashConfig( [
'ReadOnly' => null,
'ReadOnlyFile' => $fileName,
] );
$cro = new ConfiguredReadOnlyMode( $config );
$lb = $this->createLB( [ 'lbMessage' => false ] );
$rom = new ReadOnlyMode( $cro, $lb );
$this->assertSame( false, $rom->getReason(), 'initial' );
file_put_contents( $fileName, 'file' );
$this->assertSame( false, $rom->getReason(), 'stale' );
$rom->clearCache();
$this->assertSame( 'file', $rom->getReason(), 'fresh' );
}
}
|
