DomainEvent: Support type hierarchies

Why:
- It's useful to be able to listen to sets of compatible event types.

What:
- Make DomainEvents aware of a list of types they are compatible with.
- Make EventDispatchEngine dispatch to all compatible listeners,
  registered for any of the supported types.
- Move all page events to their own namespace

Bug: T384330
Change-Id: I96bde2cfaf198e409a6ef3a24101ee7d02d57959

6 files changed, 28 insertions, 5 deletions

diff --git a/tests/api-testing/REST/content.v1/Creation.js b/tests/api-testing/REST/content.v1/Creation.js
index e609056198fc..bfc1196eb2a8 100644
--- a/tests/api-testing/REST/content.v1/Creation.js
+++ b/tests/api-testing/REST/content.v1/Creation.js
@@ -25,7 +25,7 @@ describe( 'POST /page', () => {
 
 		const specPath = '/specs/v0/module' + specModule;
 		const { status, text } = await client.get( specPath );
-		assert.deepEqual( status, 200 );
+		assert.deepEqual( status, 200, text );
 
 		openApiSpec = JSON.parse( text );
 		chai.use( chaiResponseValidator( openApiSpec ) );
diff --git a/tests/phpunit/includes/Storage/DerivedPageDataUpdaterTest.php b/tests/phpunit/includes/Storage/DerivedPageDataUpdaterTest.php
index 917490d88272..af2b91001fa3 100644
--- a/tests/phpunit/includes/Storage/DerivedPageDataUpdaterTest.php
+++ b/tests/phpunit/includes/Storage/DerivedPageDataUpdaterTest.php
@@ -20,6 +20,7 @@ use MediaWiki\Deferred\MWCallableUpdate;
 use MediaWiki\Edit\ParsoidRenderID;
 use MediaWiki\MainConfigNames;
 use MediaWiki\Message\Message;
+use MediaWiki\Page\Event\PageUpdatedEvent;
 use MediaWiki\Page\PageIdentity;
 use MediaWiki\Page\PageIdentityValue;
 use MediaWiki\Page\ParserOutputAccess;
@@ -32,7 +33,6 @@ use MediaWiki\Revision\SlotRecord;
 use MediaWiki\Storage\DerivedPageDataUpdater;
 use MediaWiki\Storage\EditResult;
 use MediaWiki\Storage\EditResultCache;
-use MediaWiki\Storage\PageUpdatedEvent;
 use MediaWiki\Storage\RevisionSlotsUpdate;
 use MediaWiki\Title\Title;
 use MediaWiki\User\User;
diff --git a/tests/phpunit/includes/import/ImportableOldRevisionImporterTest.php b/tests/phpunit/includes/import/ImportableOldRevisionImporterTest.php
index ab127c7604f1..7e7c530a2ef7 100644
--- a/tests/phpunit/includes/import/ImportableOldRevisionImporterTest.php
+++ b/tests/phpunit/includes/import/ImportableOldRevisionImporterTest.php
@@ -1,8 +1,8 @@
 <?php
 
 use MediaWiki\Content\ContentHandler;
+use MediaWiki\Page\Event\PageUpdatedEvent;
 use MediaWiki\Revision\SlotRecord;
-use MediaWiki\Storage\PageUpdatedEvent;
 use MediaWiki\Tests\Language\LanguageEventIngressSpyTrait;
 use MediaWiki\Tests\recentchanges\ChangeTrackingEventIngressSpyTrait;
 use MediaWiki\Tests\Search\SearchEventIngressSpyTrait;
diff --git a/tests/phpunit/includes/page/MovePageTest.php b/tests/phpunit/includes/page/MovePageTest.php
index 7d0616492cb8..21e451a61620 100644
--- a/tests/phpunit/includes/page/MovePageTest.php
+++ b/tests/phpunit/includes/page/MovePageTest.php
@@ -5,10 +5,10 @@ use MediaWiki\Content\WikitextContent;
 use MediaWiki\Interwiki\InterwikiLookup;
 use MediaWiki\MainConfigNames;
 use MediaWiki\MediaWikiServices;
+use MediaWiki\Page\Event\PageUpdatedEvent;
 use MediaWiki\Page\MovePage;
 use MediaWiki\Revision\RevisionRecord;
 use MediaWiki\Revision\SlotRecord;
-use MediaWiki\Storage\PageUpdatedEvent;
 use MediaWiki\Tests\Language\LanguageEventIngressSpyTrait;
 use MediaWiki\Tests\recentchanges\ChangeTrackingEventIngressSpyTrait;
 use MediaWiki\Tests\Rest\Handler\MediaTestTrait;
diff --git a/tests/phpunit/includes/page/UndeletePageTest.php b/tests/phpunit/includes/page/UndeletePageTest.php
index c631df196d0b..69dedf59a24f 100644
--- a/tests/phpunit/includes/page/UndeletePageTest.php
+++ b/tests/phpunit/includes/page/UndeletePageTest.php
@@ -2,10 +2,10 @@
 
 use MediaWiki\CommentStore\CommentStoreComment;
 use MediaWiki\Content\ContentHandler;
+use MediaWiki\Page\Event\PageUpdatedEvent;
 use MediaWiki\Page\PageIdentityValue;
 use MediaWiki\Page\UndeletePage;
 use MediaWiki\Revision\SlotRecord;
-use MediaWiki\Storage\PageUpdatedEvent;
 use MediaWiki\Tests\Language\LanguageEventIngressSpyTrait;
 use MediaWiki\Tests\recentchanges\ChangeTrackingEventIngressSpyTrait;
 use MediaWiki\Tests\Search\SearchEventIngressSpyTrait;
diff --git a/tests/phpunit/unit/includes/DomainEvent/EventDispatchEngineTest.php b/tests/phpunit/unit/includes/DomainEvent/EventDispatchEngineTest.php
index a312f98cd748..e9f28a421d98 100644
--- a/tests/phpunit/unit/includes/DomainEvent/EventDispatchEngineTest.php
+++ b/tests/phpunit/unit/includes/DomainEvent/EventDispatchEngineTest.php
@@ -21,6 +21,10 @@ class EventDispatchEngineTest extends MediaWikiUnitTestCase {
 
 	private function newEvent( string $type ): DomainEvent {
 		return new class ( $type ) extends DomainEvent {
+			public function __construct( string $type ) {
+				parent::__construct();
+				$this->declareEventType( $type );
+			}
 		};
 	}
 
@@ -93,6 +97,25 @@ class EventDispatchEngineTest extends MediaWikiUnitTestCase {
 		$this->assertSame( 2, $callCount, 'Listener should have been called' );
 	}
 
+	public function testWildcardListener() {
+		$engine = $this->newDispatchEngine();
+		$conProv = $this->newConnectionProvider();
+
+		$callCount = 0;
+		$engine->registerListener(
+			DomainEvent::ANY, // register for any event
+			static function () use ( &$callCount ) {
+				$callCount++;
+			},
+			[ DomainEventSource::INVOCATION_MODE => DomainEventSource::INVOKE_BEFORE_COMMIT ]
+		);
+
+		$engine->dispatch( $this->newEvent( 'Tested1' ), $conProv );
+		$engine->dispatch( $this->newEvent( 'Tested2' ), $conProv );
+
+		$this->assertSame( 2, $callCount, 'Listener should have been called' );
+	}
+
 	public function testRollback() {
 		$engine = $this->newDispatchEngine();