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<?php
use Wikimedia\TestingAccessWrapper;
/**
* @group Cache
* @covers MessageBlobStore
*/
class MessageBlobStoreTest extends PHPUnit\Framework\TestCase {
use MediaWikiCoversValidator;
protected function setUp() {
parent::setUp();
// MediaWiki tests defaults $wgMainWANCache to CACHE_NONE.
// Use hash instead so that caching is observed
$this->wanCache = $this->getMockBuilder( WANObjectCache::class )
->setConstructorArgs( [ [
'cache' => new HashBagOStuff(),
'pool' => 'test',
'relayer' => new EventRelayerNull( [] )
] ] )
->setMethods( [ 'makePurgeValue' ] )
->getMock();
$this->wanCache->expects( $this->any() )
->method( 'makePurgeValue' )
->will( $this->returnCallback( function ( $timestamp, $holdoff ) {
// Disable holdoff as it messes with testing. Aside from a 0-second holdoff,
// make sure that "time" passes between getMulti() check init and the set()
// in recacheMessageBlob(). This especially matters for Windows clocks.
$ts = (float)$timestamp - 0.0001;
return WANObjectCache::PURGE_VAL_PREFIX . $ts . ':0';
} ) );
}
protected function makeBlobStore( $methods = null, $rl = null ) {
$blobStore = $this->getMockBuilder( MessageBlobStore::class )
->setConstructorArgs( [ $rl ] )
->setMethods( $methods )
->getMock();
$access = TestingAccessWrapper::newFromObject( $blobStore );
$access->wanCache = $this->wanCache;
return $blobStore;
}
protected function makeModule( array $messages ) {
$module = new ResourceLoaderTestModule( [ 'messages' => $messages ] );
$module->setName( 'test.blobstore' );
return $module;
}
/** @covers MessageBlobStore::setLogger */
public function testSetLogger() {
$blobStore = $this->makeBlobStore();
$this->assertSame( null, $blobStore->setLogger( new Psr\Log\NullLogger() ) );
}
/** @covers MessageBlobStore::getResourceLoader */
public function testGetResourceLoader() {
// Call protected method
$blobStore = TestingAccessWrapper::newFromObject( $this->makeBlobStore() );
$this->assertInstanceOf(
ResourceLoader::class,
$blobStore->getResourceLoader()
);
}
/** @covers MessageBlobStore::fetchMessage */
public function testFetchMessage() {
$module = $this->makeModule( [ 'mainpage' ] );
$rl = new ResourceLoader();
$rl->register( $module->getName(), $module );
$blobStore = $this->makeBlobStore( null, $rl );
$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"mainpage":"Main Page"}', $blob, 'Generated blob' );
}
/** @covers MessageBlobStore::fetchMessage */
public function testFetchMessageFail() {
$module = $this->makeModule( [ 'i-dont-exist' ] );
$rl = new ResourceLoader();
$rl->register( $module->getName(), $module );
$blobStore = $this->makeBlobStore( null, $rl );
$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"i-dont-exist":"\u29fci-dont-exist\u29fd"}', $blob, 'Generated blob' );
}
public function testGetBlob() {
$module = $this->makeModule( [ 'foo' ] );
$rl = new ResourceLoader();
$rl->register( $module->getName(), $module );
$blobStore = $this->makeBlobStore( [ 'fetchMessage' ], $rl );
$blobStore->expects( $this->once() )
->method( 'fetchMessage' )
->will( $this->returnValue( 'Example' ) );
$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"foo":"Example"}', $blob, 'Generated blob' );
}
/**
* Seems to fail sometimes (T176097).
*
* @group Broken
*/
public function testGetBlobCached() {
$module = $this->makeModule( [ 'example' ] );
$rl = new ResourceLoader();
$rl->register( $module->getName(), $module );
$blobStore = $this->makeBlobStore( [ 'fetchMessage' ], $rl );
$blobStore->expects( $this->once() )
->method( 'fetchMessage' )
->will( $this->returnValue( 'First' ) );
$module = $this->makeModule( [ 'example' ] );
$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"example":"First"}', $blob, 'Generated blob' );
$blobStore = $this->makeBlobStore( [ 'fetchMessage' ], $rl );
$blobStore->expects( $this->never() )
->method( 'fetchMessage' )
->will( $this->returnValue( 'Second' ) );
$module = $this->makeModule( [ 'example' ] );
$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"example":"First"}', $blob, 'Cache hit' );
}
public function testUpdateMessage() {
$module = $this->makeModule( [ 'example' ] );
$rl = new ResourceLoader();
$rl->register( $module->getName(), $module );
$blobStore = $this->makeBlobStore( [ 'fetchMessage' ], $rl );
$blobStore->expects( $this->once() )
->method( 'fetchMessage' )
->will( $this->returnValue( 'First' ) );
$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"example":"First"}', $blob, 'Generated blob' );
$blobStore->updateMessage( 'example' );
$module = $this->makeModule( [ 'example' ] );
$rl = new ResourceLoader();
$rl->register( $module->getName(), $module );
$blobStore = $this->makeBlobStore( [ 'fetchMessage' ], $rl );
$blobStore->expects( $this->once() )
->method( 'fetchMessage' )
->will( $this->returnValue( 'Second' ) );
$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"example":"Second"}', $blob, 'Updated blob' );
}
public function testValidation() {
$module = $this->makeModule( [ 'foo' ] );
$rl = new ResourceLoader();
$rl->register( $module->getName(), $module );
$blobStore = $this->makeBlobStore( [ 'fetchMessage' ], $rl );
$blobStore->expects( $this->once() )
->method( 'fetchMessage' )
->will( $this->returnValueMap( [
[ 'foo', 'en', 'Hello' ],
] ) );
$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"foo":"Hello"}', $blob, 'Generated blob' );
// Now, imagine a change to the module is deployed. The module now contains
// message 'foo' and 'bar'. While updateMessage() was not called (since no
// message values were changed) it should detect the change in list of
// message keys.
$module = $this->makeModule( [ 'foo', 'bar' ] );
$rl = new ResourceLoader();
$rl->register( $module->getName(), $module );
$blobStore = $this->makeBlobStore( [ 'fetchMessage' ], $rl );
$blobStore->expects( $this->exactly( 2 ) )
->method( 'fetchMessage' )
->will( $this->returnValueMap( [
[ 'foo', 'en', 'Hello' ],
[ 'bar', 'en', 'World' ],
] ) );
$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"foo":"Hello","bar":"World"}', $blob, 'Updated blob' );
}
public function testClear() {
$module = $this->makeModule( [ 'example' ] );
$rl = new ResourceLoader();
$rl->register( $module->getName(), $module );
$blobStore = $this->makeBlobStore( [ 'fetchMessage' ], $rl );
$blobStore->expects( $this->exactly( 2 ) )
->method( 'fetchMessage' )
->will( $this->onConsecutiveCalls( 'First', 'Second' ) );
$now = microtime( true );
$this->wanCache->setMockTime( $now );
$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"example":"First"}', $blob, 'Generated blob' );
$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"example":"First"}', $blob, 'Cache-hit' );
$now += 1;
$blobStore->clear();
$blob = $blobStore->getBlob( $module, 'en' );
$this->assertEquals( '{"example":"Second"}', $blob, 'Updated blob' );
}
}
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