1 files changed, 2560 insertions, 0 deletions

diff --git a/tests/lib/Comments/ManagerTest.php b/tests/lib/Comments/ManagerTest.php
new file mode 100644
index 00000000000..bd991a5692a
--- /dev/null
+++ b/tests/lib/Comments/ManagerTest.php
@@ -0,0 +1,2560 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace Test\Comments;
+
+use OC\Comments\Comment;
+use OC\Comments\Manager;
+use OC\EmojiHelper;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\Comments\IComment;
+use OCP\Comments\ICommentsEventHandler;
+use OCP\Comments\ICommentsManager;
+use OCP\Comments\NotFoundException;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\EventDispatcher\IEventDispatcher;
+use OCP\Files\Folder;
+use OCP\Files\IRootFolder;
+use OCP\IConfig;
+use OCP\IDBConnection;
+use OCP\IInitialStateService;
+use OCP\IUser;
+use OCP\IUserManager;
+use OCP\Server;
+use Psr\Log\LoggerInterface;
+use Test\TestCase;
+
+/**
+ * Class ManagerTest
+ *
+ * @group DB
+ */
+class ManagerTest extends TestCase {
+	/** @var IDBConnection */
+	private $connection;
+	/** @var \PHPUnit\Framework\MockObject\MockObject|IRootFolder */
+	private $rootFolder;
+
+	protected function setUp(): void {
+		parent::setUp();
+
+		$this->connection = Server::get(IDBConnection::class);
+		$this->rootFolder = $this->createMock(IRootFolder::class);
+
+		$sql = $this->connection->getDatabasePlatform()->getTruncateTableSQL('`*PREFIX*comments`');
+		$this->connection->prepare($sql)->execute();
+		$sql = $this->connection->getDatabasePlatform()->getTruncateTableSQL('`*PREFIX*reactions`');
+		$this->connection->prepare($sql)->execute();
+	}
+
+	protected function addDatabaseEntry($parentId, $topmostParentId, $creationDT = null, $latestChildDT = null, $objectId = null, $expireDate = null) {
+		$creationDT ??= new \DateTime();
+		$latestChildDT ??= new \DateTime('yesterday');
+		$objectId ??= 'file64';
+
+		$qb = $this->connection->getQueryBuilder();
+		$qb
+			->insert('comments')
+			->values([
+				'parent_id' => $qb->createNamedParameter($parentId),
+				'topmost_parent_id' => $qb->createNamedParameter($topmostParentId),
+				'children_count' => $qb->createNamedParameter(2),
+				'actor_type' => $qb->createNamedParameter('users'),
+				'actor_id' => $qb->createNamedParameter('alice'),
+				'message' => $qb->createNamedParameter('nice one'),
+				'verb' => $qb->createNamedParameter('comment'),
+				'creation_timestamp' => $qb->createNamedParameter($creationDT, IQueryBuilder::PARAM_DATETIME_MUTABLE),
+				'latest_child_timestamp' => $qb->createNamedParameter($latestChildDT, IQueryBuilder::PARAM_DATETIME_MUTABLE),
+				'object_type' => $qb->createNamedParameter('files'),
+				'object_id' => $qb->createNamedParameter($objectId),
+				'expire_date' => $qb->createNamedParameter($expireDate, IQueryBuilder::PARAM_DATETIME_MUTABLE),
+				'reference_id' => $qb->createNamedParameter('referenceId'),
+				'meta_data' => $qb->createNamedParameter(json_encode(['last_edit_actor_id' => 'admin'])),
+			])
+			->executeStatement();
+
+		return $qb->getLastInsertId();
+	}
+
+	protected function getManager() {
+		return new Manager(
+			$this->connection,
+			$this->createMock(LoggerInterface::class),
+			$this->createMock(IConfig::class),
+			$this->createMock(ITimeFactory::class),
+			new EmojiHelper($this->connection),
+			$this->createMock(IInitialStateService::class),
+			$this->rootFolder,
+			$this->createMock(IEventDispatcher::class),
+		);
+	}
+
+
+	public function testGetCommentNotFound(): void {
+		$this->expectException(NotFoundException::class);
+
+		$manager = $this->getManager();
+		$manager->get('22');
+	}
+
+
+	public function testGetCommentNotFoundInvalidInput(): void {
+		$this->expectException(\InvalidArgumentException::class);
+
+		$manager = $this->getManager();
+		$manager->get('unexisting22');
+	}
+
+	public function testGetComment(): void {
+		$manager = $this->getManager();
+
+		$creationDT = new \DateTime('yesterday');
+		$latestChildDT = new \DateTime();
+
+		$qb = Server::get(IDBConnection::class)->getQueryBuilder();
+		$qb
+			->insert('comments')
+			->values([
+				'parent_id' => $qb->createNamedParameter('2'),
+				'topmost_parent_id' => $qb->createNamedParameter('1'),
+				'children_count' => $qb->createNamedParameter(2),
+				'actor_type' => $qb->createNamedParameter('users'),
+				'actor_id' => $qb->createNamedParameter('alice'),
+				'message' => $qb->createNamedParameter('nice one'),
+				'verb' => $qb->createNamedParameter('comment'),
+				'creation_timestamp' => $qb->createNamedParameter($creationDT, 'datetime'),
+				'latest_child_timestamp' => $qb->createNamedParameter($latestChildDT, 'datetime'),
+				'object_type' => $qb->createNamedParameter('files'),
+				'object_id' => $qb->createNamedParameter('file64'),
+				'reference_id' => $qb->createNamedParameter('referenceId'),
+				'meta_data' => $qb->createNamedParameter(json_encode(['last_edit_actor_id' => 'admin'])),
+			])
+			->executeStatement();
+
+		$id = (string)$qb->getLastInsertId();
+
+		$comment = $manager->get($id);
+		$this->assertInstanceOf(IComment::class, $comment);
+		$this->assertSame($id, $comment->getId());
+		$this->assertSame('2', $comment->getParentId());
+		$this->assertSame('1', $comment->getTopmostParentId());
+		$this->assertSame(2, $comment->getChildrenCount());
+		$this->assertSame('users', $comment->getActorType());
+		$this->assertSame('alice', $comment->getActorId());
+		$this->assertSame('nice one', $comment->getMessage());
+		$this->assertSame('comment', $comment->getVerb());
+		$this->assertSame('files', $comment->getObjectType());
+		$this->assertSame('file64', $comment->getObjectId());
+		$this->assertEquals($creationDT->getTimestamp(), $comment->getCreationDateTime()->getTimestamp());
+		$this->assertEquals($latestChildDT->getTimestamp(), $comment->getLatestChildDateTime()->getTimestamp());
+		$this->assertEquals('referenceId', $comment->getReferenceId());
+		$this->assertEquals(['last_edit_actor_id' => 'admin'], $comment->getMetaData());
+	}
+
+
+	public function testGetTreeNotFound(): void {
+		$this->expectException(NotFoundException::class);
+
+		$manager = $this->getManager();
+		$manager->getTree('22');
+	}
+
+
+	public function testGetTreeNotFoundInvalidIpnut(): void {
+		$this->expectException(\InvalidArgumentException::class);
+
+		$manager = $this->getManager();
+		$manager->getTree('unexisting22');
+	}
+
+	public function testGetTree(): void {
+		$headId = $this->addDatabaseEntry(0, 0);
+
+		$this->addDatabaseEntry($headId, $headId, new \DateTime('-3 hours'));
+		$this->addDatabaseEntry($headId, $headId, new \DateTime('-2 hours'));
+		$id = $this->addDatabaseEntry($headId, $headId, new \DateTime('-1 hour'));
+
+		$manager = $this->getManager();
+		$tree = $manager->getTree($headId);
+
+		// Verifying the root comment
+		$this->assertArrayHasKey('comment', $tree);
+		$this->assertInstanceOf(IComment::class, $tree['comment']);
+		$this->assertSame((string)$headId, $tree['comment']->getId());
+		$this->assertArrayHasKey('replies', $tree);
+		$this->assertCount(3, $tree['replies']);
+
+		// one level deep
+		foreach ($tree['replies'] as $reply) {
+			$this->assertInstanceOf(IComment::class, $reply['comment']);
+			$this->assertSame((string)$id, $reply['comment']->getId());
+			$this->assertCount(0, $reply['replies']);
+			$id--;
+		}
+	}
+
+	public function testGetTreeNoReplies(): void {
+		$id = $this->addDatabaseEntry(0, 0);
+
+		$manager = $this->getManager();
+		$tree = $manager->getTree($id);
+
+		// Verifying the root comment
+		$this->assertArrayHasKey('comment', $tree);
+		$this->assertInstanceOf(IComment::class, $tree['comment']);
+		$this->assertSame((string)$id, $tree['comment']->getId());
+		$this->assertArrayHasKey('replies', $tree);
+		$this->assertCount(0, $tree['replies']);
+	}
+
+	public function testGetTreeWithLimitAndOffset(): void {
+		$headId = $this->addDatabaseEntry(0, 0);
+
+		$this->addDatabaseEntry($headId, $headId, new \DateTime('-3 hours'));
+		$this->addDatabaseEntry($headId, $headId, new \DateTime('-2 hours'));
+		$this->addDatabaseEntry($headId, $headId, new \DateTime('-1 hour'));
+		$idToVerify = $this->addDatabaseEntry($headId, $headId, new \DateTime());
+
+		$manager = $this->getManager();
+
+		for ($offset = 0; $offset < 3; $offset += 2) {
+			$tree = $manager->getTree((string)$headId, 2, $offset);
+
+			// Verifying the root comment
+			$this->assertArrayHasKey('comment', $tree);
+			$this->assertInstanceOf(IComment::class, $tree['comment']);
+			$this->assertSame((string)$headId, $tree['comment']->getId());
+			$this->assertArrayHasKey('replies', $tree);
+			$this->assertCount(2, $tree['replies']);
+
+			// one level deep
+			foreach ($tree['replies'] as $reply) {
+				$this->assertInstanceOf(IComment::class, $reply['comment']);
+				$this->assertSame((string)$idToVerify, $reply['comment']->getId());
+				$this->assertCount(0, $reply['replies']);
+				$idToVerify--;
+			}
+		}
+	}
+
+	public function testGetForObject(): void {
+		$this->addDatabaseEntry(0, 0);
+
+		$manager = $this->getManager();
+		$comments = $manager->getForObject('files', 'file64');
+
+		$this->assertIsArray($comments);
+		$this->assertCount(1, $comments);
+		$this->assertInstanceOf(IComment::class, $comments[0]);
+		$this->assertSame('nice one', $comments[0]->getMessage());
+	}
+
+	public function testGetForObjectWithLimitAndOffset(): void {
+		$this->addDatabaseEntry(0, 0, new \DateTime('-6 hours'));
+		$this->addDatabaseEntry(0, 0, new \DateTime('-5 hours'));
+		$this->addDatabaseEntry(1, 1, new \DateTime('-4 hours'));
+		$this->addDatabaseEntry(0, 0, new \DateTime('-3 hours'));
+		$this->addDatabaseEntry(2, 2, new \DateTime('-2 hours'));
+		$this->addDatabaseEntry(2, 2, new \DateTime('-1 hours'));
+		$idToVerify = $this->addDatabaseEntry(3, 1, new \DateTime());
+
+		$manager = $this->getManager();
+		$offset = 0;
+		do {
+			$comments = $manager->getForObject('files', 'file64', 3, $offset);
+
+			$this->assertIsArray($comments);
+			foreach ($comments as $key => $comment) {
+				$this->assertInstanceOf(IComment::class, $comment);
+				$this->assertSame('nice one', $comment->getMessage());
+				$this->assertSame((string)$idToVerify, $comment->getId(), 'ID wrong for comment ' . $key . ' on offset: ' . $offset);
+				$idToVerify--;
+			}
+			$offset += 3;
+		} while (count($comments) > 0);
+	}
+
+	public function testGetForObjectWithDateTimeConstraint(): void {
+		$this->addDatabaseEntry(0, 0, new \DateTime('-6 hours'));
+		$this->addDatabaseEntry(0, 0, new \DateTime('-5 hours'));
+		$id1 = $this->addDatabaseEntry(0, 0, new \DateTime('-3 hours'));
+		$id2 = $this->addDatabaseEntry(2, 2, new \DateTime('-2 hours'));
+
+		$manager = $this->getManager();
+		$comments = $manager->getForObject('files', 'file64', 0, 0, new \DateTime('-4 hours'));
+
+		$this->assertCount(2, $comments);
+		$this->assertSame((string)$id2, $comments[0]->getId());
+		$this->assertSame((string)$id1, $comments[1]->getId());
+	}
+
+	public function testGetForObjectWithLimitAndOffsetAndDateTimeConstraint(): void {
+		$this->addDatabaseEntry(0, 0, new \DateTime('-7 hours'));
+		$this->addDatabaseEntry(0, 0, new \DateTime('-6 hours'));
+		$this->addDatabaseEntry(1, 1, new \DateTime('-5 hours'));
+		$this->addDatabaseEntry(0, 0, new \DateTime('-3 hours'));
+		$this->addDatabaseEntry(2, 2, new \DateTime('-2 hours'));
+		$this->addDatabaseEntry(2, 2, new \DateTime('-1 hours'));
+		$idToVerify = $this->addDatabaseEntry(3, 1, new \DateTime());
+
+		$manager = $this->getManager();
+		$offset = 0;
+		do {
+			$comments = $manager->getForObject('files', 'file64', 3, $offset, new \DateTime('-4 hours'));
+
+			$this->assertIsArray($comments);
+			foreach ($comments as $comment) {
+				$this->assertInstanceOf(IComment::class, $comment);
+				$this->assertSame('nice one', $comment->getMessage());
+				$this->assertSame((string)$idToVerify, $comment->getId());
+				$this->assertGreaterThanOrEqual(4, $comment->getId());
+				$idToVerify--;
+			}
+			$offset += 3;
+		} while (count($comments) > 0);
+	}
+
+	public function testGetNumberOfCommentsForObject(): void {
+		for ($i = 1; $i < 5; $i++) {
+			$this->addDatabaseEntry(0, 0);
+		}
+
+		$manager = $this->getManager();
+
+		$amount = $manager->getNumberOfCommentsForObject('untype', '00');
+		$this->assertSame(0, $amount);
+
+		$amount = $manager->getNumberOfCommentsForObject('files', 'file64');
+		$this->assertSame(4, $amount);
+	}
+
+	public function testGetNumberOfUnreadCommentsForFolder(): void {
+		$folder = $this->createMock(Folder::class);
+		$fileIds = range(1111, 1114);
+		$children = array_map(function (int $id) {
+			$file = $this->createMock(Folder::class);
+			$file->method('getId')
+				->willReturn($id);
+			return $file;
+		}, $fileIds);
+		$folder->method('getId')->willReturn(1000);
+		$folder->method('getDirectoryListing')->willReturn($children);
+		$this->rootFolder->method('getFirstNodeById')
+			->with($folder->getId())
+			->willReturn($folder);
+
+		// 2 comment for 1111 with 1 before read marker
+		// 2 comments for 1112 with no read marker
+		// 1 comment for 1113 before read marker
+		// 1 comment for 1114 with no read marker
+		$this->addDatabaseEntry(0, 0, null, null, $fileIds[1]);
+		for ($i = 0; $i < 4; $i++) {
+			$this->addDatabaseEntry(0, 0, null, null, $fileIds[$i]);
+		}
+		$this->addDatabaseEntry(0, 0, (new \DateTime())->modify('-2 days'), null, $fileIds[0]);
+		/** @var IUser|\PHPUnit\Framework\MockObject\MockObject $user */
+		$user = $this->createMock(IUser::class);
+		$user->expects($this->any())
+			->method('getUID')
+			->willReturn('comment_test');
+
+		$manager = $this->getManager();
+
+		$manager->setReadMark('files', (string)$fileIds[0], (new \DateTime())->modify('-1 days'), $user);
+		$manager->setReadMark('files', (string)$fileIds[2], (new \DateTime()), $user);
+
+		$amount = $manager->getNumberOfUnreadCommentsForFolder($folder->getId(), $user);
+		$this->assertEquals([
+			$fileIds[0] => 1,
+			$fileIds[1] => 2,
+			$fileIds[3] => 1,
+		], $amount);
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('dataGetForObjectSince')]
+	public function testGetForObjectSince(?int $lastKnown, string $order, int $limit, int $resultFrom, int $resultTo): void {
+		$ids = [];
+		$ids[] = $this->addDatabaseEntry(0, 0);
+		$ids[] = $this->addDatabaseEntry(0, 0);
+		$ids[] = $this->addDatabaseEntry(0, 0);
+		$ids[] = $this->addDatabaseEntry(0, 0);
+		$ids[] = $this->addDatabaseEntry(0, 0);
+
+		$manager = $this->getManager();
+		$comments = $manager->getForObjectSince('files', 'file64', ($lastKnown === null ? 0 : $ids[$lastKnown]), $order, $limit);
+
+		$expected = array_slice($ids, $resultFrom, $resultTo - $resultFrom + 1);
+		if ($order === 'desc') {
+			$expected = array_reverse($expected);
+		}
+
+		$this->assertSame($expected, array_map(static fn (IComment $c): int => (int)$c->getId(), $comments));
+	}
+
+	public static function dataGetForObjectSince(): array {
+		return [
+			[null, 'asc', 20, 0, 4],
+			[null, 'asc', 2, 0, 1],
+			[null, 'desc', 20, 0, 4],
+			[null, 'desc', 2, 3, 4],
+			[1, 'asc', 20, 2, 4],
+			[1, 'asc', 2, 2, 3],
+			[3, 'desc', 20, 0, 2],
+			[3, 'desc', 2, 1, 2],
+		];
+	}
+
+	public static function invalidCreateArgsProvider(): array {
+		return [
+			['', 'aId-1', 'oType-1', 'oId-1'],
+			['aType-1', '', 'oType-1', 'oId-1'],
+			['aType-1', 'aId-1', '', 'oId-1'],
+			['aType-1', 'aId-1', 'oType-1', ''],
+			[1, 'aId-1', 'oType-1', 'oId-1'],
+			['aType-1', 1, 'oType-1', 'oId-1'],
+			['aType-1', 'aId-1', 1, 'oId-1'],
+			['aType-1', 'aId-1', 'oType-1', 1],
+		];
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('invalidCreateArgsProvider')]
+	public function testCreateCommentInvalidArguments(string|int $aType, string|int $aId, string|int $oType, string|int $oId): void {
+		$this->expectException(\InvalidArgumentException::class);
+
+		$manager = $this->getManager();
+		$manager->create($aType, $aId, $oType, $oId);
+	}
+
+	public function testCreateComment(): void {
+		$actorType = 'bot';
+		$actorId = 'bob';
+		$objectType = 'weather';
+		$objectId = 'bielefeld';
+
+		$comment = $this->getManager()->create($actorType, $actorId, $objectType, $objectId);
+		$this->assertInstanceOf(IComment::class, $comment);
+		$this->assertSame($actorType, $comment->getActorType());
+		$this->assertSame($actorId, $comment->getActorId());
+		$this->assertSame($objectType, $comment->getObjectType());
+		$this->assertSame($objectId, $comment->getObjectId());
+	}
+
+
+	public function testDelete(): void {
+		$this->expectException(NotFoundException::class);
+
+		$manager = $this->getManager();
+
+		$done = $manager->delete('404');
+		$this->assertFalse($done);
+
+		$done = $manager->delete('%');
+		$this->assertFalse($done);
+
+		$done = $manager->delete('');
+		$this->assertFalse($done);
+
+		$id = (string)$this->addDatabaseEntry(0, 0);
+		$comment = $manager->get($id);
+		$this->assertInstanceOf(IComment::class, $comment);
+		$done = $manager->delete($id);
+		$this->assertTrue($done);
+		$manager->get($id);
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('providerTestSave')]
+	public function testSave(string $message, string $actorId, string $verb, ?string $parentId, ?string $id = ''): IComment {
+		$manager = $this->getManager();
+		$comment = new Comment();
+		$comment
+			->setId($id)
+			->setActor('users', $actorId)
+			->setObject('files', 'file64')
+			->setMessage($message)
+			->setVerb($verb);
+		if ($parentId) {
+			$comment->setParentId($parentId);
+		}
+
+		$saveSuccessful = $manager->save($comment);
+		$this->assertTrue($saveSuccessful, 'Comment saving was not successful');
+		$this->assertNotEquals('', $comment->getId(), 'Comment ID should not be empty');
+		$this->assertNotEquals('0', $comment->getId(), 'Comment ID should not be string \'0\'');
+		$this->assertNotNull($comment->getCreationDateTime(), 'Comment creation date should not be null');
+
+		$loadedComment = $manager->get($comment->getId());
+		$this->assertSame($comment->getMessage(), $loadedComment->getMessage(), 'Comment message should match');
+		$this->assertEquals($comment->getCreationDateTime()->getTimestamp(), $loadedComment->getCreationDateTime()->getTimestamp(), 'Comment creation date should match');
+		return $comment;
+	}
+
+	public static function providerTestSave(): array {
+		return [
+			['very beautiful, I am impressed!', 'alice', 'comment', null],
+		];
+	}
+
+	public function testSaveUpdate(): void {
+		$manager = $this->getManager();
+		$comment = new Comment();
+		$comment
+			->setActor('users', 'alice')
+			->setObject('files', 'file64')
+			->setMessage('very beautiful, I am impressed!')
+			->setVerb('comment')
+			->setExpireDate(new \DateTime('+2 hours'));
+
+		$manager->save($comment);
+
+		$loadedComment = $manager->get($comment->getId());
+		// Compare current object with database values
+		$this->assertSame($comment->getMessage(), $loadedComment->getMessage());
+		$this->assertSame(
+			$comment->getExpireDate()->format('Y-m-d H:i:s'),
+			$loadedComment->getExpireDate()->format('Y-m-d H:i:s')
+		);
+
+		// Preserve the original comment to compare after update
+		$original = clone $comment;
+
+		// Update values
+		$comment->setMessage('very beautiful, I am really so much impressed!')
+			->setExpireDate(new \DateTime('+1 hours'));
+		$manager->save($comment);
+
+		$loadedComment = $manager->get($comment->getId());
+		// Compare current object with database values
+		$this->assertSame($comment->getMessage(), $loadedComment->getMessage());
+		$this->assertSame(
+			$comment->getExpireDate()->format('Y-m-d H:i:s'),
+			$loadedComment->getExpireDate()->format('Y-m-d H:i:s')
+		);
+
+		// Compare original object with database values
+		$this->assertNotSame($original->getMessage(), $loadedComment->getMessage());
+		$this->assertNotSame(
+			$original->getExpireDate()->format('Y-m-d H:i:s'),
+			$loadedComment->getExpireDate()->format('Y-m-d H:i:s')
+		);
+	}
+
+
+	public function testSaveUpdateException(): void {
+		$manager = $this->getManager();
+		$comment = new Comment();
+		$comment
+			->setActor('users', 'alice')
+			->setObject('files', 'file64')
+			->setMessage('very beautiful, I am impressed!')
+			->setVerb('comment');
+
+		$manager->save($comment);
+
+		$manager->delete($comment->getId());
+
+		$comment->setMessage('very beautiful, I am really so much impressed!');
+		$this->expectException(NotFoundException::class);
+		$manager->save($comment);
+	}
+
+
+	public function testSaveIncomplete(): void {
+
+		$manager = $this->getManager();
+		$comment = new Comment();
+		$comment->setMessage('from no one to nothing');
+
+		$this->expectException(\UnexpectedValueException::class);
+		$manager->save($comment);
+	}
+
+	public function testSaveAsChild(): void {
+		$id = (string)$this->addDatabaseEntry(0, 0);
+
+		$manager = $this->getManager();
+
+		for ($i = 0; $i < 3; $i++) {
+			$comment = new Comment();
+			$comment
+				->setActor('users', 'alice')
+				->setObject('files', 'file64')
+				->setParentId($id)
+				->setMessage('full ack')
+				->setVerb('comment')
+				// setting the creation time avoids using sleep() while making sure to test with different timestamps
+				->setCreationDateTime(new \DateTime('+' . $i . ' minutes'));
+
+			$manager->save($comment);
+
+			$this->assertSame($id, $comment->getTopmostParentId());
+			$parentComment = $manager->get($id);
+			$this->assertSame($i + 1, $parentComment->getChildrenCount());
+			$this->assertEquals($comment->getCreationDateTime()->getTimestamp(), $parentComment->getLatestChildDateTime()->getTimestamp());
+		}
+	}
+
+	public static function invalidActorArgsProvider(): array {
+		return
+			[
+				['', ''],
+				[1, 'alice'],
+				['users', 1],
+			];
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('invalidActorArgsProvider')]
+	public function testDeleteReferencesOfActorInvalidInput(string|int $type, string|int $id): void {
+		$this->expectException(\InvalidArgumentException::class);
+
+		$manager = $this->getManager();
+		$manager->deleteReferencesOfActor($type, $id);
+	}
+
+	public function testDeleteReferencesOfActor(): void {
+		$ids = [];
+		$ids[] = $this->addDatabaseEntry(0, 0);
+		$ids[] = $this->addDatabaseEntry(0, 0);
+		$ids[] = $this->addDatabaseEntry(0, 0);
+
+		$manager = $this->getManager();
+
+		// just to make sure they are really set, with correct actor data
+		$comment = $manager->get((string)$ids[1]);
+		$this->assertSame('users', $comment->getActorType());
+		$this->assertSame('alice', $comment->getActorId());
+
+		$wasSuccessful = $manager->deleteReferencesOfActor('users', 'alice');
+		$this->assertTrue($wasSuccessful);
+
+		foreach ($ids as $id) {
+			$comment = $manager->get((string)$id);
+			$this->assertSame(ICommentsManager::DELETED_USER, $comment->getActorType());
+			$this->assertSame(ICommentsManager::DELETED_USER, $comment->getActorId());
+		}
+
+		// actor info is gone from DB, but when database interaction is alright,
+		// we still expect to get true back
+		$wasSuccessful = $manager->deleteReferencesOfActor('users', 'alice');
+		$this->assertTrue($wasSuccessful);
+	}
+
+	public function testDeleteReferencesOfActorWithUserManagement(): void {
+		$user = Server::get(IUserManager::class)->createUser('xenia', 'NotAnEasyPassword123456+');
+		$this->assertInstanceOf(IUser::class, $user);
+
+		$manager = Server::get(ICommentsManager::class);
+		$comment = $manager->create('users', $user->getUID(), 'files', 'file64');
+		$comment
+			->setMessage('Most important comment I ever left on the Internet.')
+			->setVerb('comment');
+		$status = $manager->save($comment);
+		$this->assertTrue($status);
+
+		$commentID = $comment->getId();
+		$user->delete();
+
+		$comment = $manager->get($commentID);
+		$this->assertSame(ICommentsManager::DELETED_USER, $comment->getActorType());
+		$this->assertSame(ICommentsManager::DELETED_USER, $comment->getActorId());
+	}
+
+	public static function invalidObjectArgsProvider(): array {
+		return
+			[
+				['', ''],
+				[1, 'file64'],
+				['files', 1],
+			];
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('invalidObjectArgsProvider')]
+	public function testDeleteCommentsAtObjectInvalidInput(string|int $type, string|int $id): void {
+		$this->expectException(\InvalidArgumentException::class);
+
+		$manager = $this->getManager();
+		$manager->deleteCommentsAtObject($type, $id);
+	}
+
+	public function testDeleteCommentsAtObject(): void {
+		$ids = [];
+		$ids[] = $this->addDatabaseEntry(0, 0);
+		$ids[] = $this->addDatabaseEntry(0, 0);
+		$ids[] = $this->addDatabaseEntry(0, 0);
+
+		$manager = $this->getManager();
+
+		// just to make sure they are really set, with correct actor data
+		$comment = $manager->get((string)$ids[1]);
+		$this->assertSame('files', $comment->getObjectType());
+		$this->assertSame('file64', $comment->getObjectId());
+
+		$wasSuccessful = $manager->deleteCommentsAtObject('files', 'file64');
+		$this->assertTrue($wasSuccessful);
+
+		$verified = 0;
+		foreach ($ids as $id) {
+			try {
+				$manager->get((string)$id);
+			} catch (NotFoundException) {
+				$verified++;
+			}
+		}
+		$this->assertSame(3, $verified);
+
+		// actor info is gone from DB, but when database interaction is alright,
+		// we still expect to get true back
+		$wasSuccessful = $manager->deleteCommentsAtObject('files', 'file64');
+		$this->assertTrue($wasSuccessful);
+	}
+
+	public function testDeleteCommentsExpiredAtObjectTypeAndId(): void {
+		$ids = [];
+		$ids[] = $this->addDatabaseEntry(0, 0, null, null, null, new \DateTime('+2 hours'));
+		$ids[] = $this->addDatabaseEntry(0, 0, null, null, null, new \DateTime('+2 hours'));
+		$ids[] = $this->addDatabaseEntry(0, 0, null, null, null, new \DateTime('+2 hours'));
+		$ids[] = $this->addDatabaseEntry(0, 0, null, null, null, new \DateTime('-2 hours'));
+		$ids[] = $this->addDatabaseEntry(0, 0, null, null, null, new \DateTime('-2 hours'));
+		$ids[] = $this->addDatabaseEntry(0, 0, null, null, null, new \DateTime('-2 hours'));
+
+		$manager = new Manager(
+			$this->connection,
+			$this->createMock(LoggerInterface::class),
+			$this->createMock(IConfig::class),
+			Server::get(ITimeFactory::class),
+			new EmojiHelper($this->connection),
+			$this->createMock(IInitialStateService::class),
+			$this->rootFolder,
+			$this->createMock(IEventDispatcher::class)
+		);
+
+		// just to make sure they are really set, with correct actor data
+		$comment = $manager->get((string)$ids[1]);
+		$this->assertSame('files', $comment->getObjectType());
+		$this->assertSame('file64', $comment->getObjectId());
+
+		$deleted = $manager->deleteCommentsExpiredAtObject('files', 'file64');
+		$this->assertTrue($deleted);
+
+		$deleted = 0;
+		$exists = 0;
+		foreach ($ids as $id) {
+			try {
+				$manager->get((string)$id);
+				$exists++;
+			} catch (NotFoundException) {
+				$deleted++;
+			}
+		}
+		$this->assertSame(3, $exists);
+		$this->assertSame(3, $deleted);
+
+		// actor info is gone from DB, but when database interaction is alright,
+		// we still expect to get true back
+		$deleted = $manager->deleteCommentsExpiredAtObject('files', 'file64');
+		$this->assertFalse($deleted);
+	}
+
+	public function testDeleteCommentsExpiredAtObjectType(): void {
+		$ids = [];
+		$ids[] = $this->addDatabaseEntry(0, 0, null, null, 'file1', new \DateTime('-2 hours'));
+		$ids[] = $this->addDatabaseEntry(0, 0, null, null, 'file2', new \DateTime('-2 hours'));
+		$ids[] = $this->addDatabaseEntry(0, 0, null, null, 'file3', new \DateTime('-2 hours'));
+		$ids[] = $this->addDatabaseEntry(0, 0, null, null, 'file3', new \DateTime());
+		$ids[] = $this->addDatabaseEntry(0, 0, null, null, 'file3', new \DateTime());
+		$ids[] = $this->addDatabaseEntry(0, 0, null, null, 'file3', new \DateTime());
+
+		$manager = new Manager(
+			$this->connection,
+			$this->createMock(LoggerInterface::class),
+			$this->createMock(IConfig::class),
+			Server::get(ITimeFactory::class),
+			new EmojiHelper($this->connection),
+			$this->createMock(IInitialStateService::class),
+			$this->rootFolder,
+			$this->createMock(IEventDispatcher::class)
+		);
+
+		$deleted = $manager->deleteCommentsExpiredAtObject('files');
+		$this->assertTrue($deleted);
+
+		$deleted = 0;
+		$exists = 0;
+		foreach ($ids as $id) {
+			try {
+				$manager->get((string)$id);
+				$exists++;
+			} catch (NotFoundException) {
+				$deleted++;
+			}
+		}
+		$this->assertSame(0, $exists);
+		$this->assertSame(6, $deleted);
+
+		// actor info is gone from DB, but when database interaction is alright,
+		// we still expect to get true back
+		$deleted = $manager->deleteCommentsExpiredAtObject('files');
+		$this->assertFalse($deleted);
+	}
+
+	public function testSetMarkRead(): void {
+		/** @var IUser|\PHPUnit\Framework\MockObject\MockObject $user */
+		$user = $this->createMock(IUser::class);
+		$user->expects($this->any())
+			->method('getUID')
+			->willReturn('alice');
+
+		$dateTimeSet = new \DateTime();
+
+		$manager = $this->getManager();
+		$manager->setReadMark('robot', '36', $dateTimeSet, $user);
+
+		$dateTimeGet = $manager->getReadMark('robot', '36', $user);
+
+		$this->assertEquals($dateTimeSet->getTimestamp(), $dateTimeGet->getTimestamp());
+	}
+
+	public function testSetMarkReadUpdate(): void {
+		/** @var IUser|\PHPUnit\Framework\MockObject\MockObject $user */
+		$user = $this->createMock(IUser::class);
+		$user->expects($this->any())
+			->method('getUID')
+			->willReturn('alice');
+
+		$dateTimeSet = new \DateTime('yesterday');
+
+		$manager = $this->getManager();
+		$manager->setReadMark('robot', '36', $dateTimeSet, $user);
+
+		$dateTimeSet = new \DateTime('today');
+		$manager->setReadMark('robot', '36', $dateTimeSet, $user);
+
+		$dateTimeGet = $manager->getReadMark('robot', '36', $user);
+
+		$this->assertEquals($dateTimeSet, $dateTimeGet);
+	}
+
+	public function testReadMarkDeleteUser(): void {
+		/** @var IUser|\PHPUnit\Framework\MockObject\MockObject $user */
+		$user = $this->createMock(IUser::class);
+		$user->expects($this->any())
+			->method('getUID')
+			->willReturn('alice');
+
+		$dateTimeSet = new \DateTime();
+
+		$manager = $this->getManager();
+		$manager->setReadMark('robot', '36', $dateTimeSet, $user);
+
+		$manager->deleteReadMarksFromUser($user);
+		$dateTimeGet = $manager->getReadMark('robot', '36', $user);
+
+		$this->assertNull($dateTimeGet);
+	}
+
+	public function testReadMarkDeleteObject(): void {
+		/** @var IUser|\PHPUnit\Framework\MockObject\MockObject $user */
+		$user = $this->createMock(IUser::class);
+		$user->expects($this->any())
+			->method('getUID')
+			->willReturn('alice');
+
+		$dateTimeSet = new \DateTime();
+
+		$manager = $this->getManager();
+		$manager->setReadMark('robot', '36', $dateTimeSet, $user);
+
+		$manager->deleteReadMarksOnObject('robot', '36');
+		$dateTimeGet = $manager->getReadMark('robot', '36', $user);
+
+		$this->assertNull($dateTimeGet);
+	}
+
+	public function testSendEvent(): void {
+		$handler1 = $this->createMock(ICommentsEventHandler::class);
+		$handler1->expects($this->exactly(4))
+			->method('handle');
+
+		$handler2 = $this->createMock(ICommentsEventHandler::class);
+		$handler1->expects($this->exactly(4))
+			->method('handle');
+
+		$manager = $this->getManager();
+		$manager->registerEventHandler(function () use ($handler1) {
+			return $handler1;
+		});
+		$manager->registerEventHandler(function () use ($handler2) {
+			return $handler2;
+		});
+
+		$comment = new Comment();
+		$comment
+			->setActor('users', 'alice')
+			->setObject('files', 'file64')
+			->setMessage('very beautiful, I am impressed!')
+			->setVerb('comment');
+
+		// Add event
+		$manager->save($comment);
+
+		// Update event
+		$comment->setMessage('Different topic');
+		$manager->save($comment);
+
+		// Delete event
+		$manager->delete($comment->getId());
+	}
+
+	public function testResolveDisplayName(): void {
+		$manager = $this->getManager();
+
+		$planetClosure = function ($name) {
+			return ucfirst($name);
+		};
+
+		$galaxyClosure = function ($name) {
+			return strtoupper($name);
+		};
+
+		$manager->registerDisplayNameResolver('planet', $planetClosure);
+		$manager->registerDisplayNameResolver('galaxy', $galaxyClosure);
+
+		$this->assertSame('Neptune', $manager->resolveDisplayName('planet', 'neptune'));
+		$this->assertSame('SOMBRERO', $manager->resolveDisplayName('galaxy', 'sombrero'));
+	}
+
+
+	public function testRegisterResolverDuplicate(): void {
+		$this->expectException(\OutOfBoundsException::class);
+
+		$manager = $this->getManager();
+
+		$planetClosure = function ($name) {
+			return ucfirst($name);
+		};
+		$manager->registerDisplayNameResolver('planet', $planetClosure);
+		$manager->registerDisplayNameResolver('planet', $planetClosure);
+	}
+
+
+	public function testRegisterResolverInvalidType(): void {
+		$this->expectException(\InvalidArgumentException::class);
+
+		$manager = $this->getManager();
+
+		$planetClosure = function ($name) {
+			return ucfirst($name);
+		};
+		$manager->registerDisplayNameResolver(1337, $planetClosure);
+	}
+
+
+	public function testResolveDisplayNameUnregisteredType(): void {
+		$this->expectException(\OutOfBoundsException::class);
+
+		$manager = $this->getManager();
+
+		$planetClosure = function ($name) {
+			return ucfirst($name);
+		};
+
+		$manager->registerDisplayNameResolver('planet', $planetClosure);
+		$manager->resolveDisplayName('galaxy', 'sombrero');
+	}
+
+	public function testResolveDisplayNameDirtyResolver(): void {
+		$manager = $this->getManager();
+
+		$planetClosure = function () {
+			return null;
+		};
+
+		$manager->registerDisplayNameResolver('planet', $planetClosure);
+		$this->assertIsString($manager->resolveDisplayName('planet', 'neptune'));
+	}
+
+	public function testResolveDisplayNameInvalidType(): void {
+
+		$manager = $this->getManager();
+
+		$planetClosure = function () {
+			return null;
+		};
+
+		$manager->registerDisplayNameResolver('planet', $planetClosure);
+		$this->expectException(\InvalidArgumentException::class);
+		$this->assertIsString($manager->resolveDisplayName(1337, 'neptune'));
+	}
+
+	private function skipIfNotSupport4ByteUTF(): void {
+		if (!$this->getManager()->supportReactions()) {
+			$this->markTestSkipped('MySQL doesn\'t support 4 byte UTF-8');
+		}
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('providerTestReactionAddAndDelete')]
+	public function testReactionAddAndDelete(array $comments, array $reactionsExpected): void {
+		$this->skipIfNotSupport4ByteUTF();
+		$manager = $this->getManager();
+
+		$processedComments = $this->proccessComments($comments);
+		$comment = end($processedComments);
+		if ($comment->getParentId()) {
+			$parent = $manager->get($comment->getParentId());
+			$this->assertEqualsCanonicalizing($reactionsExpected, $parent->getReactions());
+		}
+	}
+
+	public static function providerTestReactionAddAndDelete(): array {
+		return[
+			[
+				[
+					['message', 'alice', 'comment', null],
+				], [],
+			],
+			[
+				[
+					['message', 'alice', 'comment', null],
+					['👍', 'alice', 'reaction', 'message#alice'],
+				], ['👍' => 1],
+			],
+			[
+				[
+					['message', 'alice', 'comment', null],
+					['👍', 'alice', 'reaction', 'message#alice'],
+					['👍', 'alice', 'reaction', 'message#alice'],
+				], ['👍' => 1],
+			],
+			[
+				[
+					['message', 'alice', 'comment', null],
+					['👍', 'alice', 'reaction', 'message#alice'],
+					['👍', 'frank', 'reaction', 'message#alice'],
+				], ['👍' => 2],
+			],
+			[
+				[
+					['message', 'alice', 'comment', null],
+					['👍', 'alice', 'reaction', 'message#alice'],
+					['👍', 'frank', 'reaction', 'message#alice'],
+					['👍', 'frank', 'reaction_deleted', 'message#alice'],
+				], ['👍' => 1],
+			],
+			[
+				[
+					['message', 'alice', 'comment', null],
+					['👍', 'alice', 'reaction', 'message#alice'],
+					['👍', 'frank', 'reaction', 'message#alice'],
+					['👍', 'alice', 'reaction_deleted', 'message#alice'],
+					['👍', 'frank', 'reaction_deleted', 'message#alice'],
+				], [],
+			],
+		];
+	}
+
+	/**
+	 * @param array $data
+	 * @return array<string, IComment>
+	 */
+	private function proccessComments(array $data): array {
+		$this->connection->beginTransaction();
+		/** @var array<string, IComment> $comments */
+		$comments = [];
+		foreach ($data as $comment) {
+			[$message, $actorId, $verb, $parentText] = $comment;
+			$parentId = null;
+			if ($parentText) {
+				$parentId = (string)$comments[$parentText]->getId();
+			}
+			$id = '';
+			if ($verb === 'reaction_deleted') {
+				$id = $comments[$message . '#' . $actorId]->getId();
+			}
+			$comment = $this->testSave($message, $actorId, $verb, $parentId, $id);
+			$comments[$comment->getMessage() . '#' . $comment->getActorId()] = $comment;
+		}
+		$this->connection->commit();
+		return $comments;
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('providerTestRetrieveAllReactions')]
+	public function testRetrieveAllReactions(array $comments, array $expected): void {
+		$this->skipIfNotSupport4ByteUTF();
+		$manager = $this->getManager();
+
+		$processedComments = $this->proccessComments($comments);
+		$comment = reset($processedComments);
+		$all = $manager->retrieveAllReactions((int)$comment->getId());
+		$actual = array_map(static function (IComment $row): array {
+			return [
+				$row->getActorId(),
+				$row->getMessage(),
+			];
+		}, $all);
+
+		usort($actual, static fn (array $a, array $b): int => $a[1] <=> $b[1]);
+		usort($expected, static fn (array $a, array $b): int => $a[1] <=> $b[1]);
+
+		$this->assertEqualsCanonicalizing($expected, $actual);
+	}
+
+	public static function providerTestRetrieveAllReactions(): array {
+		return [
+			[
+				[
+					['message', 'alice', 'comment', null],
+				],
+				[],
+			],
+			[
+				[
+					['message', 'alice', 'comment', null],
+					['👍', 'alice', 'reaction', 'message#alice'],
+					['👍', 'frank', 'reaction', 'message#alice'],
+				],
+				[
+					['👍', 'alice'],
+					['👍', 'frank'],
+				],
+			],
+			[
+				[
+					['message', 'alice', 'comment', null],
+					['👍', 'alice', 'reaction', 'message#alice'],
+					['👍', 'alice', 'reaction', 'message#alice'],
+					['👍', 'frank', 'reaction', 'message#alice'],
+				],
+				[
+					['👍', 'alice'],
+					['👍', 'frank'],
+				],
+			],
+			[# 600 reactions to cover chunk size when retrieve comments of reactions.
+				[
+					['message', 'alice', 'comment', null],
+					['😀', 'alice', 'reaction', 'message#alice'],
+					['😃', 'alice', 'reaction', 'message#alice'],
+					['😄', 'alice', 'reaction', 'message#alice'],
+					['😁', 'alice', 'reaction', 'message#alice'],
+					['😆', 'alice', 'reaction', 'message#alice'],
+					['😅', 'alice', 'reaction', 'message#alice'],
+					['😂', 'alice', 'reaction', 'message#alice'],
+					['🤣', 'alice', 'reaction', 'message#alice'],
+					['🥲', 'alice', 'reaction', 'message#alice'],
+					['🥹', 'alice', 'reaction', 'message#alice'],
+					['☺️', 'alice', 'reaction', 'message#alice'],
+					['😊', 'alice', 'reaction', 'message#alice'],
+					['😇', 'alice', 'reaction', 'message#alice'],
+					['🙂', 'alice', 'reaction', 'message#alice'],
+					['🙃', 'alice', 'reaction', 'message#alice'],
+					['😉', 'alice', 'reaction', 'message#alice'],
+					['😌', 'alice', 'reaction', 'message#alice'],
+					['😍', 'alice', 'reaction', 'message#alice'],
+					['🥰', 'alice', 'reaction', 'message#alice'],
+					['😘', 'alice', 'reaction', 'message#alice'],
+					['😗', 'alice', 'reaction', 'message#alice'],
+					['😙', 'alice', 'reaction', 'message#alice'],
+					['😚', 'alice', 'reaction', 'message#alice'],
+					['😋', 'alice', 'reaction', 'message#alice'],
+					['😛', 'alice', 'reaction', 'message#alice'],
+					['😝', 'alice', 'reaction', 'message#alice'],
+					['😜', 'alice', 'reaction', 'message#alice'],
+					['🤪', 'alice', 'reaction', 'message#alice'],
+					['🤨', 'alice', 'reaction', 'message#alice'],
+					['🧐', 'alice', 'reaction', 'message#alice'],
+					['🤓', 'alice', 'reaction', 'message#alice'],
+					['😎', 'alice', 'reaction', 'message#alice'],
+					['🥸', 'alice', 'reaction', 'message#alice'],
+					['🤩', 'alice', 'reaction', 'message#alice'],
+					['🥳', 'alice', 'reaction', 'message#alice'],
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+					['👩🏽‍🦱', 'alice', 'reaction', 'message#alice'],
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+					['👩🏽‍🦰', 'alice', 'reaction', 'message#alice'],
+					['🧑🏽‍🦰', 'alice', 'reaction', 'message#alice'],
+					['👨🏽‍🦰', 'alice', 'reaction', 'message#alice'],
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+					['👩🏽‍🦲', 'alice', 'reaction', 'message#alice'],
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+					['🧔🏽‍♀️', 'alice', 'reaction', 'message#alice'],
+					['🧔🏽', 'alice', 'reaction', 'message#alice'],
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+					['👲🏽', 'alice', 'reaction', 'message#alice'],
+					['👳🏽‍♀️', 'alice', 'reaction', 'message#alice'],
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+					['👷🏽‍♀️', 'alice', 'reaction', 'message#alice'],
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+					['💂🏽‍♀️', 'alice', 'reaction', 'message#alice'],
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+					['🕵🏽‍♀️', 'alice', 'reaction', 'message#alice'],
+					['🕵🏽', 'alice', 'reaction', 'message#alice'],
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+					['👩🏽‍⚕️', 'alice', 'reaction', 'message#alice'],
+					['🧑🏽‍⚕️', 'alice', 'reaction', 'message#alice'],
+					['👨🏽‍⚕️', 'alice', 'reaction', 'message#alice'],
+					['👩🏽‍🌾', 'alice', 'reaction', 'message#alice'],
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+					['👨🏽‍🎓', 'alice', 'reaction', 'message#alice'],
+					['👩🏽‍🎤', 'alice', 'reaction', 'message#alice'],
+					['🧑🏽‍🎤', 'alice', 'reaction', 'message#alice'],
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+					['🧑🏽‍🏭', 'alice', 'reaction', 'message#alice'],
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+					['👩🏽‍✈️', 'alice', 'reaction', 'message#alice'],
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+					['🤵🏽‍♀️', 'alice', 'reaction', 'message#alice'],
+					['🤵🏽', 'alice', 'reaction', 'message#alice'],
+					['🤵🏽‍♂️', 'alice', 'reaction', 'message#alice'],
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+					['🫅🏽', 'alice', 'reaction', 'message#alice'],
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+					['🦸🏽‍♀️', 'alice', 'reaction', 'message#alice'],
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+					['🦸🏽‍♂️', 'alice', 'reaction', 'message#alice'],
+					['🦹🏽‍♀️', 'alice', 'reaction', 'message#alice'],
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+					['🦹🏽‍♂️', 'alice', 'reaction', 'message#alice'],
+					['🤶🏽', 'alice', 'reaction', 'message#alice'],
+					['🧑🏽‍🎄', 'alice', 'reaction', 'message#alice'],
+					['🎅🏽', 'alice', 'reaction', 'message#alice'],
+					['🧙🏽‍♀️', 'alice', 'reaction', 'message#alice'],
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+					['🧙🏽‍♂️', 'alice', 'reaction', 'message#alice'],
+					['🧝🏽‍♀️', 'alice', 'reaction', 'message#alice'],
+					['🧝🏽', 'alice', 'reaction', 'message#alice'],
+					['🧝🏽‍♂️', 'alice', 'reaction', 'message#alice'],
+					['🧛🏽‍♀️', 'alice', 'reaction', 'message#alice'],
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+					['🧛🏽‍♂️', 'alice', 'reaction', 'message#alice'],
+					['🧜🏽‍♀️', 'alice', 'reaction', 'message#alice'],
+					['🧜🏽', 'alice', 'reaction', 'message#alice'],
+					['🧜🏽‍♂️', 'alice', 'reaction', 'message#alice'],
+					['🧚🏽‍♀️', 'alice', 'reaction', 'message#alice'],
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+					['🧚🏽‍♂️', 'alice', 'reaction', 'message#alice'],
+					['👼🏽', 'alice', 'reaction', 'message#alice'],
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+					['👩🏽‍🍼', 'alice', 'reaction', 'message#alice'],
+					['🧑🏽‍🍼', 'alice', 'reaction', 'message#alice'],
+					['👨🏽‍🍼', 'alice', 'reaction', 'message#alice'],
+					['🙇🏽‍♀️', 'alice', 'reaction', 'message#alice'],
+					['🙇🏽', 'alice', 'reaction', 'message#alice'],
+					['🙇🏽‍♂️', 'alice', 'reaction', 'message#alice'],
+					['💁🏽‍♀️', 'alice', 'reaction', 'message#alice'],
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+					['🙅🏽‍♀️', 'alice', 'reaction', 'message#alice'],
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+					['🙆🏽‍♀️', 'alice', 'reaction', 'message#alice'],
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+					['🙆🏽‍♂️', 'alice', 'reaction', 'message#alice'],
+					['🙋🏽‍♀️', 'alice', 'reaction', 'message#alice'],
+					['🙋🏽', 'alice', 'reaction', 'message#alice'],
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+					['🧏🏽‍♀️', 'alice', 'reaction', 'message#alice'],
+					['🧏🏽', 'alice', 'reaction', 'message#alice'],
+					['🧏🏽‍♂️', 'alice', 'reaction', 'message#alice'],
+					['🤦🏽‍♀️', 'alice', 'reaction', 'message#alice'],
+					['🤦🏽', 'alice', 'reaction', 'message#alice'],
+					['🤦🏽‍♂️', 'alice', 'reaction', 'message#alice'],
+					['🤷🏽‍♀️', 'alice', 'reaction', 'message#alice'],
+					['🤷🏽', 'alice', 'reaction', 'message#alice'],
+					['🤷🏽‍♂️', 'alice', 'reaction', 'message#alice'],
+					['🙎🏽‍♀️', 'alice', 'reaction', 'message#alice'],
+					['🙎🏽', 'alice', 'reaction', 'message#alice'],
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+					['🙍🏽', 'alice', 'reaction', 'message#alice'],
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+					['💇🏽‍♀️', 'alice', 'reaction', 'message#alice'],
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+					['💇🏽‍♂️', 'alice', 'reaction', 'message#alice'],
+					['💆🏽‍♀️', 'alice', 'reaction', 'message#alice'],
+					['💆🏽', 'alice', 'reaction', 'message#alice'],
+					['💆🏽‍♂️', 'alice', 'reaction', 'message#alice'],
+					['🧖🏽‍♀️', 'alice', 'reaction', 'message#alice'],
+					['🧖🏽', 'alice', 'reaction', 'message#alice'],
+					['🧖🏽‍♂️', 'alice', 'reaction', 'message#alice'],
+					['💃🏽', 'alice', 'reaction', 'message#alice'],
+					['🕺🏽', 'alice', 'reaction', 'message#alice'],
+					['🕴🏽', 'alice', 'reaction', 'message#alice'],
+					['👩🏽‍🦽', 'alice', 'reaction', 'message#alice'],
+					['🧑🏽‍🦽', 'alice', 'reaction', 'message#alice'],
+				],
+				[
+					['😀', 'alice'],
+					['😃', 'alice'],
+					['😄', 'alice'],
+					['😁', 'alice'],
+					['😆', 'alice'],
+					['😅', 'alice'],
+					['😂', 'alice'],
+					['🤣', 'alice'],
+					['🥲', 'alice'],
+					['🥹', 'alice'],
+					['☺️', 'alice'],
+					['😊', 'alice'],
+					['😇', 'alice'],
+					['🙂', 'alice'],
+					['🙃', 'alice'],
+					['😉', 'alice'],
+					['😌', 'alice'],
+					['😍', 'alice'],
+					['🥰', 'alice'],
+					['😘', 'alice'],
+					['😗', 'alice'],
+					['😙', 'alice'],
+					['😚', 'alice'],
+					['😋', 'alice'],
+					['😛', 'alice'],
+					['😝', 'alice'],
+					['😜', 'alice'],
+					['🤪', 'alice'],
+					['🤨', 'alice'],
+					['🧐', 'alice'],
+					['🤓', 'alice'],
+					['😎', 'alice'],
+					['🥸', 'alice'],
+					['🤩', 'alice'],
+					['🥳', 'alice'],
+					['😏', 'alice'],
+					['😒', 'alice'],
+					['😞', 'alice'],
+					['😔', 'alice'],
+					['😟', 'alice'],
+					['😕', 'alice'],
+					['🙁', 'alice'],
+					['☹️', 'alice'],
+					['😣', 'alice'],
+					['😖', 'alice'],
+					['😫', 'alice'],
+					['😩', 'alice'],
+					['🥺', 'alice'],
+					['😢', 'alice'],
+					['😭', 'alice'],
+					['😮‍💨', 'alice'],
+					['😤', 'alice'],
+					['😠', 'alice'],
+					['😡', 'alice'],
+					['🤬', 'alice'],
+					['🤯', 'alice'],
+					['😳', 'alice'],
+					['🥵', 'alice'],
+					['🥶', 'alice'],
+					['😱', 'alice'],
+					['😨', 'alice'],
+					['😰', 'alice'],
+					['😥', 'alice'],
+					['😓', 'alice'],
+					['🫣', 'alice'],
+					['🤗', 'alice'],
+					['🫡', 'alice'],
+					['🤔', 'alice'],
+					['🫢', 'alice'],
+					['🤭', 'alice'],
+					['🤫', 'alice'],
+					['🤥', 'alice'],
+					['😶', 'alice'],
+					['😶‍🌫️', 'alice'],
+					['😐', 'alice'],
+					['😑', 'alice'],
+					['😬', 'alice'],
+					['🫠', 'alice'],
+					['🙄', 'alice'],
+					['😯', 'alice'],
+					['😦', 'alice'],
+					['😧', 'alice'],
+					['😮', 'alice'],
+					['😲', 'alice'],
+					['🥱', 'alice'],
+					['😴', 'alice'],
+					['🤤', 'alice'],
+					['😪', 'alice'],
+					['😵', 'alice'],
+					['😵‍💫', 'alice'],
+					['🫥', 'alice'],
+					['🤐', 'alice'],
+					['🥴', 'alice'],
+					['🤢', 'alice'],
+					['🤮', 'alice'],
+					['🤧', 'alice'],
+					['😷', 'alice'],
+					['🤒', 'alice'],
+					['🤕', 'alice'],
+					['🤑', 'alice'],
+					['🤠', 'alice'],
+					['😈', 'alice'],
+					['👿', 'alice'],
+					['👹', 'alice'],
+					['👺', 'alice'],
+					['🤡', 'alice'],
+					['💩', 'alice'],
+					['👻', 'alice'],
+					['💀', 'alice'],
+					['☠️', 'alice'],
+					['👽', 'alice'],
+					['👾', 'alice'],
+					['🤖', 'alice'],
+					['🎃', 'alice'],
+					['😺', 'alice'],
+					['😸', 'alice'],
+					['😹', 'alice'],
+					['😻', 'alice'],
+					['😼', 'alice'],
+					['😽', 'alice'],
+					['🙀', 'alice'],
+					['😿', 'alice'],
+					['😾', 'alice'],
+					['👶', 'alice'],
+					['👧', 'alice'],
+					['🧒', 'alice'],
+					['👦', 'alice'],
+					['👩', 'alice'],
+					['🧑', 'alice'],
+					['👨', 'alice'],
+					['👩‍🦱', 'alice'],
+					['🧑‍🦱', 'alice'],
+					['👨‍🦱', 'alice'],
+					['👩‍🦰', 'alice'],
+					['🧑‍🦰', 'alice'],
+					['👨‍🦰', 'alice'],
+					['👱‍♀️', 'alice'],
+					['👱', 'alice'],
+					['👱‍♂️', 'alice'],
+					['👩‍🦳', 'alice'],
+					['🧑‍🦳', 'alice'],
+					['👨‍🦳', 'alice'],
+					['👩‍🦲', 'alice'],
+					['🧑‍🦲', 'alice'],
+					['👨‍🦲', 'alice'],
+					['🧔‍♀️', 'alice'],
+					['🧔', 'alice'],
+					['🧔‍♂️', 'alice'],
+					['👵', 'alice'],
+					['🧓', 'alice'],
+					['👴', 'alice'],
+					['👲', 'alice'],
+					['👳‍♀️', 'alice'],
+					['👳', 'alice'],
+					['👳‍♂️', 'alice'],
+					['🧕', 'alice'],
+					['👮‍♀️', 'alice'],
+					['👮', 'alice'],
+					['👮‍♂️', 'alice'],
+					['👷‍♀️', 'alice'],
+					['👷', 'alice'],
+					['👷‍♂️', 'alice'],
+					['💂‍♀️', 'alice'],
+					['💂', 'alice'],
+					['💂‍♂️', 'alice'],
+					['🕵️‍♀️', 'alice'],
+					['🕵️', 'alice'],
+					['🕵️‍♂️', 'alice'],
+					['👩‍⚕️', 'alice'],
+					['🧑‍⚕️', 'alice'],
+					['👨‍⚕️', 'alice'],
+					['👩‍🌾', 'alice'],
+					['🧑‍🌾', 'alice'],
+					['👨‍🌾', 'alice'],
+					['👩‍🍳', 'alice'],
+					['🧑‍🍳', 'alice'],
+					['👨‍🍳', 'alice'],
+					['👩‍🎓', 'alice'],
+					['🧑‍🎓', 'alice'],
+					['👨‍🎓', 'alice'],
+					['👩‍🎤', 'alice'],
+					['🧑‍🎤', 'alice'],
+					['👨‍🎤', 'alice'],
+					['👩‍🏫', 'alice'],
+					['🧑‍🏫', 'alice'],
+					['👨‍🏫', 'alice'],
+					['👩‍🏭', 'alice'],
+					['🧑‍🏭', 'alice'],
+					['👨‍🏭', 'alice'],
+					['👩‍💻', 'alice'],
+					['🧑‍💻', 'alice'],
+					['👨‍💻', 'alice'],
+					['👩‍💼', 'alice'],
+					['🧑‍💼', 'alice'],
+					['👨‍💼', 'alice'],
+					['👩‍🔧', 'alice'],
+					['🧑‍🔧', 'alice'],
+					['👨‍🔧', 'alice'],
+					['👩‍🔬', 'alice'],
+					['🧑‍🔬', 'alice'],
+					['👨‍🔬', 'alice'],
+					['👩‍🎨', 'alice'],
+					['🧑‍🎨', 'alice'],
+					['👨‍🎨', 'alice'],
+					['👩‍🚒', 'alice'],
+					['🧑‍🚒', 'alice'],
+					['👨‍🚒', 'alice'],
+					['👩‍✈️', 'alice'],
+					['🧑‍✈️', 'alice'],
+					['👨‍✈️', 'alice'],
+					['👩‍🚀', 'alice'],
+					['🧑‍🚀', 'alice'],
+					['👨‍🚀', 'alice'],
+					['👩‍⚖️', 'alice'],
+					['🧑‍⚖️', 'alice'],
+					['👨‍⚖️', 'alice'],
+					['👰‍♀️', 'alice'],
+					['👰', 'alice'],
+					['👰‍♂️', 'alice'],
+					['🤵‍♀️', 'alice'],
+					['🤵', 'alice'],
+					['🤵‍♂️', 'alice'],
+					['👸', 'alice'],
+					['🫅', 'alice'],
+					['🤴', 'alice'],
+					['🥷', 'alice'],
+					['🦸‍♀️', 'alice'],
+					['🦸', 'alice'],
+					['🦸‍♂️', 'alice'],
+					['🦹‍♀️', 'alice'],
+					['🦹', 'alice'],
+					['🦹‍♂️', 'alice'],
+					['🤶', 'alice'],
+					['🧑‍🎄', 'alice'],
+					['🎅', 'alice'],
+					['🧙‍♀️', 'alice'],
+					['🧙', 'alice'],
+					['🧙‍♂️', 'alice'],
+					['🧝‍♀️', 'alice'],
+					['🧝', 'alice'],
+					['🧝‍♂️', 'alice'],
+					['🧛‍♀️', 'alice'],
+					['🧛', 'alice'],
+					['🧛‍♂️', 'alice'],
+					['🧟‍♀️', 'alice'],
+					['🧟', 'alice'],
+					['🧟‍♂️', 'alice'],
+					['🧞‍♀️', 'alice'],
+					['🧞', 'alice'],
+					['🧞‍♂️', 'alice'],
+					['🧜‍♀️', 'alice'],
+					['🧜', 'alice'],
+					['🧜‍♂️', 'alice'],
+					['🧚‍♀️', 'alice'],
+					['🧚', 'alice'],
+					['🧚‍♂️', 'alice'],
+					['🧌', 'alice'],
+					['👼', 'alice'],
+					['🤰', 'alice'],
+					['🫄', 'alice'],
+					['🫃', 'alice'],
+					['🤱', 'alice'],
+					['👩‍🍼', 'alice'],
+					['🧑‍🍼', 'alice'],
+					['👨‍🍼', 'alice'],
+					['🙇‍♀️', 'alice'],
+					['🙇', 'alice'],
+					['🙇‍♂️', 'alice'],
+					['💁‍♀️', 'alice'],
+					['💁', 'alice'],
+					['💁‍♂️', 'alice'],
+					['🙅‍♀️', 'alice'],
+					['🙅', 'alice'],
+					['🙅‍♂️', 'alice'],
+					['🙆‍♀️', 'alice'],
+					['🙆', 'alice'],
+					['🙆‍♂️', 'alice'],
+					['🙋‍♀️', 'alice'],
+					['🙋', 'alice'],
+					['🙋‍♂️', 'alice'],
+					['🧏‍♀️', 'alice'],
+					['🧏', 'alice'],
+					['🧏‍♂️', 'alice'],
+					['🤦‍♀️', 'alice'],
+					['🤦', 'alice'],
+					['🤦‍♂️', 'alice'],
+					['🤷‍♀️', 'alice'],
+					['🤷', 'alice'],
+					['🤷‍♂️', 'alice'],
+					['🙎‍♀️', 'alice'],
+					['🙎', 'alice'],
+					['🙎‍♂️', 'alice'],
+					['🙍‍♀️', 'alice'],
+					['🙍', 'alice'],
+					['🙍‍♂️', 'alice'],
+					['💇‍♀️', 'alice'],
+					['💇', 'alice'],
+					['💇‍♂️', 'alice'],
+					['💆‍♀️', 'alice'],
+					['💆', 'alice'],
+					['💆‍♂️', 'alice'],
+					['🧖‍♀️', 'alice'],
+					['🧖', 'alice'],
+					['🧖‍♂️', 'alice'],
+					['💅', 'alice'],
+					['🤳', 'alice'],
+					['💃', 'alice'],
+					['🕺', 'alice'],
+					['👯‍♀️', 'alice'],
+					['👯', 'alice'],
+					['👯‍♂️', 'alice'],
+					['🕴', 'alice'],
+					['👩‍🦽', 'alice'],
+					['🧑‍🦽', 'alice'],
+					['👨‍🦽', 'alice'],
+					['👩‍🦼', 'alice'],
+					['🧑‍🦼', 'alice'],
+					['👨‍🦼', 'alice'],
+					['🚶‍♀️', 'alice'],
+					['🚶', 'alice'],
+					['🚶‍♂️', 'alice'],
+					['👩‍🦯', 'alice'],
+					['🧑‍🦯', 'alice'],
+					['👨‍🦯', 'alice'],
+					['🧎‍♀️', 'alice'],
+					['🧎', 'alice'],
+					['🧎‍♂️', 'alice'],
+					['🏃‍♀️', 'alice'],
+					['🏃', 'alice'],
+					['🏃‍♂️', 'alice'],
+					['🧍‍♀️', 'alice'],
+					['🧍', 'alice'],
+					['🧍‍♂️', 'alice'],
+					['👭', 'alice'],
+					['🧑‍🤝‍🧑', 'alice'],
+					['👬', 'alice'],
+					['👫', 'alice'],
+					['👩‍❤️‍👩', 'alice'],
+					['💑', 'alice'],
+					['👨‍❤️‍👨', 'alice'],
+					['👩‍❤️‍👨', 'alice'],
+					['👩‍❤️‍💋‍👩', 'alice'],
+					['💏', 'alice'],
+					['👨‍❤️‍💋‍👨', 'alice'],
+					['👩‍❤️‍💋‍👨', 'alice'],
+					['👪', 'alice'],
+					['👨‍👩‍👦', 'alice'],
+					['👨‍👩‍👧', 'alice'],
+					['👨‍👩‍👧‍👦', 'alice'],
+					['👨‍👩‍👦‍👦', 'alice'],
+					['👨‍👩‍👧‍👧', 'alice'],
+					['👨‍👨‍👦', 'alice'],
+					['👨‍👨‍👧', 'alice'],
+					['👨‍👨‍👧‍👦', 'alice'],
+					['👨‍👨‍👦‍👦', 'alice'],
+					['👨‍👨‍👧‍👧', 'alice'],
+					['👩‍👩‍👦', 'alice'],
+					['👩‍👩‍👧', 'alice'],
+					['👩‍👩‍👧‍👦', 'alice'],
+					['👩‍👩‍👦‍👦', 'alice'],
+					['👩‍👩‍👧‍👧', 'alice'],
+					['👨‍👦', 'alice'],
+					['👨‍👦‍👦', 'alice'],
+					['👨‍👧', 'alice'],
+					['👨‍👧‍👦', 'alice'],
+					['👨‍👧‍👧', 'alice'],
+					['👩‍👦', 'alice'],
+					['👩‍👦‍👦', 'alice'],
+					['👩‍👧', 'alice'],
+					['👩‍👧‍👦', 'alice'],
+					['👩‍👧‍👧', 'alice'],
+					['🗣', 'alice'],
+					['👤', 'alice'],
+					['👥', 'alice'],
+					['🫂', 'alice'],
+					['👋🏽', 'alice'],
+					['🤚🏽', 'alice'],
+					['🖐🏽', 'alice'],
+					['✋🏽', 'alice'],
+					['🖖🏽', 'alice'],
+					['👌🏽', 'alice'],
+					['🤌🏽', 'alice'],
+					['🤏🏽', 'alice'],
+					['✌🏽', 'alice'],
+					['🤞🏽', 'alice'],
+					['🫰🏽', 'alice'],
+					['🤟🏽', 'alice'],
+					['🤘🏽', 'alice'],
+					['🤙🏽', 'alice'],
+					['🫵🏽', 'alice'],
+					['🫱🏽', 'alice'],
+					['🫲🏽', 'alice'],
+					['🫳🏽', 'alice'],
+					['🫴🏽', 'alice'],
+					['👈🏽', 'alice'],
+					['👉🏽', 'alice'],
+					['👆🏽', 'alice'],
+					['🖕🏽', 'alice'],
+					['👇🏽', 'alice'],
+					['☝🏽', 'alice'],
+					['👍🏽', 'alice'],
+					['👎🏽', 'alice'],
+					['✊🏽', 'alice'],
+					['👊🏽', 'alice'],
+					['🤛🏽', 'alice'],
+					['🤜🏽', 'alice'],
+					['👏🏽', 'alice'],
+					['🫶🏽', 'alice'],
+					['🙌🏽', 'alice'],
+					['👐🏽', 'alice'],
+					['🤲🏽', 'alice'],
+					['🙏🏽', 'alice'],
+					['✍🏽', 'alice'],
+					['💅🏽', 'alice'],
+					['🤳🏽', 'alice'],
+					['💪🏽', 'alice'],
+					['🦵🏽', 'alice'],
+					['🦶🏽', 'alice'],
+					['👂🏽', 'alice'],
+					['🦻🏽', 'alice'],
+					['👃🏽', 'alice'],
+					['👶🏽', 'alice'],
+					['👧🏽', 'alice'],
+					['🧒🏽', 'alice'],
+					['👦🏽', 'alice'],
+					['👩🏽', 'alice'],
+					['🧑🏽', 'alice'],
+					['👨🏽', 'alice'],
+					['👩🏽‍🦱', 'alice'],
+					['🧑🏽‍🦱', 'alice'],
+					['👨🏽‍🦱', 'alice'],
+					['👩🏽‍🦰', 'alice'],
+					['🧑🏽‍🦰', 'alice'],
+					['👨🏽‍🦰', 'alice'],
+					['👱🏽‍♀️', 'alice'],
+					['👱🏽', 'alice'],
+					['👱🏽‍♂️', 'alice'],
+					['👩🏽‍🦳', 'alice'],
+					['🧑🏽‍🦳', 'alice'],
+					['👨🏽‍🦳', 'alice'],
+					['👩🏽‍🦲', 'alice'],
+					['🧑🏽‍🦲', 'alice'],
+					['👨🏽‍🦲', 'alice'],
+					['🧔🏽‍♀️', 'alice'],
+					['🧔🏽', 'alice'],
+					['🧔🏽‍♂️', 'alice'],
+					['👵🏽', 'alice'],
+					['🧓🏽', 'alice'],
+					['👴🏽', 'alice'],
+					['👲🏽', 'alice'],
+					['👳🏽‍♀️', 'alice'],
+					['👳🏽', 'alice'],
+					['👳🏽‍♂️', 'alice'],
+					['🧕🏽', 'alice'],
+					['👮🏽‍♀️', 'alice'],
+					['👮🏽', 'alice'],
+					['👮🏽‍♂️', 'alice'],
+					['👷🏽‍♀️', 'alice'],
+					['👷🏽', 'alice'],
+					['👷🏽‍♂️', 'alice'],
+					['💂🏽‍♀️', 'alice'],
+					['💂🏽', 'alice'],
+					['💂🏽‍♂️', 'alice'],
+					['🕵🏽‍♀️', 'alice'],
+					['🕵🏽', 'alice'],
+					['🕵🏽‍♂️', 'alice'],
+					['👩🏽‍⚕️', 'alice'],
+					['🧑🏽‍⚕️', 'alice'],
+					['👨🏽‍⚕️', 'alice'],
+					['👩🏽‍🌾', 'alice'],
+					['🧑🏽‍🌾', 'alice'],
+					['👨🏽‍🌾', 'alice'],
+					['👩🏽‍🍳', 'alice'],
+					['🧑🏽‍🍳', 'alice'],
+					['👨🏽‍🍳', 'alice'],
+					['👩🏽‍🎓', 'alice'],
+					['🧑🏽‍🎓', 'alice'],
+					['👨🏽‍🎓', 'alice'],
+					['👩🏽‍🎤', 'alice'],
+					['🧑🏽‍🎤', 'alice'],
+					['👨🏽‍🎤', 'alice'],
+					['👩🏽‍🏫', 'alice'],
+					['🧑🏽‍🏫', 'alice'],
+					['👨🏽‍🏫', 'alice'],
+					['👩🏽‍🏭', 'alice'],
+					['🧑🏽‍🏭', 'alice'],
+					['👨🏽‍🏭', 'alice'],
+					['👩🏽‍💻', 'alice'],
+					['🧑🏽‍💻', 'alice'],
+					['👨🏽‍💻', 'alice'],
+					['👩🏽‍💼', 'alice'],
+					['🧑🏽‍💼', 'alice'],
+					['👨🏽‍💼', 'alice'],
+					['👩🏽‍🔧', 'alice'],
+					['🧑🏽‍🔧', 'alice'],
+					['👨🏽‍🔧', 'alice'],
+					['👩🏽‍🔬', 'alice'],
+					['🧑🏽‍🔬', 'alice'],
+					['👨🏽‍🔬', 'alice'],
+					['👩🏽‍🎨', 'alice'],
+					['🧑🏽‍🎨', 'alice'],
+					['👨🏽‍🎨', 'alice'],
+					['👩🏽‍🚒', 'alice'],
+					['🧑🏽‍🚒', 'alice'],
+					['👨🏽‍🚒', 'alice'],
+					['👩🏽‍✈️', 'alice'],
+					['🧑🏽‍✈️', 'alice'],
+					['👨🏽‍✈️', 'alice'],
+					['👩🏽‍🚀', 'alice'],
+					['🧑🏽‍🚀', 'alice'],
+					['👨🏽‍🚀', 'alice'],
+					['👩🏽‍⚖️', 'alice'],
+					['🧑🏽‍⚖️', 'alice'],
+					['👨🏽‍⚖️', 'alice'],
+					['👰🏽‍♀️', 'alice'],
+					['👰🏽', 'alice'],
+					['👰🏽‍♂️', 'alice'],
+					['🤵🏽‍♀️', 'alice'],
+					['🤵🏽', 'alice'],
+					['🤵🏽‍♂️', 'alice'],
+					['👸🏽', 'alice'],
+					['🫅🏽', 'alice'],
+					['🤴🏽', 'alice'],
+					['🥷🏽', 'alice'],
+					['🦸🏽‍♀️', 'alice'],
+					['🦸🏽', 'alice'],
+					['🦸🏽‍♂️', 'alice'],
+					['🦹🏽‍♀️', 'alice'],
+					['🦹🏽', 'alice'],
+					['🦹🏽‍♂️', 'alice'],
+					['🤶🏽', 'alice'],
+					['🧑🏽‍🎄', 'alice'],
+					['🎅🏽', 'alice'],
+					['🧙🏽‍♀️', 'alice'],
+					['🧙🏽', 'alice'],
+					['🧙🏽‍♂️', 'alice'],
+					['🧝🏽‍♀️', 'alice'],
+					['🧝🏽', 'alice'],
+					['🧝🏽‍♂️', 'alice'],
+					['🧛🏽‍♀️', 'alice'],
+					['🧛🏽', 'alice'],
+					['🧛🏽‍♂️', 'alice'],
+					['🧜🏽‍♀️', 'alice'],
+					['🧜🏽', 'alice'],
+					['🧜🏽‍♂️', 'alice'],
+					['🧚🏽‍♀️', 'alice'],
+					['🧚🏽', 'alice'],
+					['🧚🏽‍♂️', 'alice'],
+					['👼🏽', 'alice'],
+					['🤰🏽', 'alice'],
+					['🫄🏽', 'alice'],
+					['🫃🏽', 'alice'],
+					['🤱🏽', 'alice'],
+					['👩🏽‍🍼', 'alice'],
+					['🧑🏽‍🍼', 'alice'],
+					['👨🏽‍🍼', 'alice'],
+					['🙇🏽‍♀️', 'alice'],
+					['🙇🏽', 'alice'],
+					['🙇🏽‍♂️', 'alice'],
+					['💁🏽‍♀️', 'alice'],
+					['💁🏽', 'alice'],
+					['💁🏽‍♂️', 'alice'],
+					['🙅🏽‍♀️', 'alice'],
+					['🙅🏽', 'alice'],
+					['🙅🏽‍♂️', 'alice'],
+					['🙆🏽‍♀️', 'alice'],
+					['🙆🏽', 'alice'],
+					['🙆🏽‍♂️', 'alice'],
+					['🙋🏽‍♀️', 'alice'],
+					['🙋🏽', 'alice'],
+					['🙋🏽‍♂️', 'alice'],
+					['🧏🏽‍♀️', 'alice'],
+					['🧏🏽', 'alice'],
+					['🧏🏽‍♂️', 'alice'],
+					['🤦🏽‍♀️', 'alice'],
+					['🤦🏽', 'alice'],
+					['🤦🏽‍♂️', 'alice'],
+					['🤷🏽‍♀️', 'alice'],
+					['🤷🏽', 'alice'],
+					['🤷🏽‍♂️', 'alice'],
+					['🙎🏽‍♀️', 'alice'],
+					['🙎🏽', 'alice'],
+					['🙎🏽‍♂️', 'alice'],
+					['🙍🏽‍♀️', 'alice'],
+					['🙍🏽', 'alice'],
+					['🙍🏽‍♂️', 'alice'],
+					['💇🏽‍♀️', 'alice'],
+					['💇🏽', 'alice'],
+					['💇🏽‍♂️', 'alice'],
+					['💆🏽‍♀️', 'alice'],
+					['💆🏽', 'alice'],
+					['💆🏽‍♂️', 'alice'],
+					['🧖🏽‍♀️', 'alice'],
+					['🧖🏽', 'alice'],
+					['🧖🏽‍♂️', 'alice'],
+					['💃🏽', 'alice'],
+					['🕺🏽', 'alice'],
+					['🕴🏽', 'alice'],
+					['👩🏽‍🦽', 'alice'],
+					['🧑🏽‍🦽', 'alice'],
+				],
+			],
+		];
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('providerTestRetrieveAllReactionsWithSpecificReaction')]
+	public function testRetrieveAllReactionsWithSpecificReaction(array $comments, string $reaction, array $expected): void {
+		$this->skipIfNotSupport4ByteUTF();
+		$manager = $this->getManager();
+
+		$processedComments = $this->proccessComments($comments);
+		$comment = reset($processedComments);
+		$all = $manager->retrieveAllReactionsWithSpecificReaction((int)$comment->getId(), $reaction);
+		$actual = array_map(static function (IComment $row): array {
+			return [
+				$row->getActorId(),
+				$row->getMessage(),
+			];
+		}, $all);
+		$this->assertEqualsCanonicalizing($expected, $actual);
+	}
+
+	public static function providerTestRetrieveAllReactionsWithSpecificReaction(): array {
+		return [
+			[
+				[
+					['message', 'alice', 'comment', null],
+				],
+				'👎',
+				[],
+			],
+			[
+				[
+					['message', 'alice', 'comment', null],
+					['👍', 'alice', 'reaction', 'message#alice'],
+					['👍', 'frank', 'reaction', 'message#alice'],
+				],
+				'👍',
+				[
+					['👍', 'alice'],
+					['👍', 'frank'],
+				],
+			],
+			[
+				[
+					['message', 'alice', 'comment', null],
+					['👍', 'alice', 'reaction', 'message#alice'],
+					['👎', 'alice', 'reaction', 'message#alice'],
+					['👍', 'frank', 'reaction', 'message#alice'],
+				],
+				'👎',
+				[
+					['👎', 'alice'],
+				],
+			],
+		];
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('providerTestGetReactionComment')]
+	public function testGetReactionComment(array $comments, array $expected, bool $notFound): void {
+		$this->skipIfNotSupport4ByteUTF();
+		$manager = $this->getManager();
+
+		$processedComments = $this->proccessComments($comments);
+
+		$keys = ['message', 'actorId', 'verb', 'parent'];
+		$expected = array_combine($keys, $expected);
+
+		if ($notFound) {
+			$this->expectException(NotFoundException::class);
+		}
+		$comment = $processedComments[$expected['message'] . '#' . $expected['actorId']];
+		$actual = $manager->getReactionComment((int)$comment->getParentId(), $comment->getActorType(), $comment->getActorId(), $comment->getMessage());
+		if (!$notFound) {
+			$this->assertEquals($expected['message'], $actual->getMessage());
+			$this->assertEquals($expected['actorId'], $actual->getActorId());
+			$this->assertEquals($expected['verb'], $actual->getVerb());
+			$this->assertEquals($processedComments[$expected['parent']]->getId(), $actual->getParentId());
+		}
+	}
+
+	public static function providerTestGetReactionComment(): array {
+		return [
+			[
+				[
+					['message', 'Matthew', 'comment', null],
+					['👍', 'Matthew', 'reaction', 'message#Matthew'],
+					['👍', 'Mark', 'reaction', 'message#Matthew'],
+					['👍', 'Luke', 'reaction', 'message#Matthew'],
+					['👍', 'John', 'reaction', 'message#Matthew'],
+				],
+				['👍', 'Matthew', 'reaction', 'message#Matthew'],
+				false,
+			],
+			[
+				[
+					['message', 'Matthew', 'comment', null],
+					['👍', 'Matthew', 'reaction', 'message#Matthew'],
+					['👍', 'Mark', 'reaction', 'message#Matthew'],
+					['👍', 'Luke', 'reaction', 'message#Matthew'],
+					['👍', 'John', 'reaction', 'message#Matthew'],
+				],
+				['👍', 'Mark', 'reaction', 'message#Matthew'],
+				false,
+			],
+			[
+				[
+					['message', 'Matthew', 'comment', null],
+					['👎', 'Matthew', 'reaction', 'message#Matthew'],
+				],
+				['👎', 'Matthew', 'reaction', 'message#Matthew'],
+				false,
+			],
+			[
+				[
+					['message', 'Matthew', 'comment', null],
+					['👎', 'Matthew', 'reaction', 'message#Matthew'],
+					['👎', 'Matthew', 'reaction_deleted', 'message#Matthew'],
+				],
+				['👎', 'Matthew', 'reaction', 'message#Matthew'],
+				true,
+			],
+		];
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('providerTestReactionMessageSize')]
+	public function testReactionMessageSize(string $reactionString, bool $valid): void {
+		$this->skipIfNotSupport4ByteUTF();
+		if (!$valid) {
+			$this->expectException(\UnexpectedValueException::class);
+		}
+
+		$manager = $this->getManager();
+		$comment = new Comment();
+		$comment->setMessage($reactionString)
+			->setVerb('reaction')
+			->setActor('users', 'alice')
+			->setObject('files', 'file64');
+		$status = $manager->save($comment);
+		$this->assertTrue($status);
+	}
+
+	public static function providerTestReactionMessageSize(): array {
+		return [
+			['a', false],
+			['1', false],
+			['👍', true],
+			['👍👍', false],
+			['👍🏽', true],
+			['👨🏽‍💻', true],
+			['👨🏽‍💻👍', false],
+		];
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('providerTestReactionsSummarizeOrdered')]
+	public function testReactionsSummarizeOrdered(array $comments, array $expected, bool $isFullMatch): void {
+		$this->skipIfNotSupport4ByteUTF();
+		$manager = $this->getManager();
+
+
+		$processedComments = $this->proccessComments($comments);
+		$comment = end($processedComments);
+		$actual = $manager->get($comment->getParentId());
+
+		if ($isFullMatch) {
+			$this->assertSame($expected, $actual->getReactions());
+		} else {
+			$subResult = array_slice($actual->getReactions(), 0, count($expected));
+			$this->assertSame($expected, $subResult);
+		}
+	}
+
+	public static function providerTestReactionsSummarizeOrdered(): array {
+		return [
+			[
+				[
+					['message', 'alice', 'comment', null],
+					['👍', 'alice', 'reaction', 'message#alice'],
+				],
+				['👍' => 1],
+				true,
+			],
+			[
+				[
+					['message', 'alice', 'comment', null],
+					['👎', 'John', 'reaction', 'message#alice'],
+					['💼', 'Luke', 'reaction', 'message#alice'],
+					['📋', 'Luke', 'reaction', 'message#alice'],
+					['🚀', 'Luke', 'reaction', 'message#alice'],
+					['🖤', 'Luke', 'reaction', 'message#alice'],
+					['😜', 'Luke', 'reaction', 'message#alice'],
+					['🌖', 'Luke', 'reaction', 'message#alice'],
+					['💖', 'Luke', 'reaction', 'message#alice'],
+					['📥', 'Luke', 'reaction', 'message#alice'],
+					['🐉', 'Luke', 'reaction', 'message#alice'],
+					['☕', 'Luke', 'reaction', 'message#alice'],
+					['🐄', 'Luke', 'reaction', 'message#alice'],
+					['🐕', 'Luke', 'reaction', 'message#alice'],
+					['🐈', 'Luke', 'reaction', 'message#alice'],
+					['🛂', 'Luke', 'reaction', 'message#alice'],
+					['🕸', 'Luke', 'reaction', 'message#alice'],
+					['🏰', 'Luke', 'reaction', 'message#alice'],
+					['⚙️', 'Luke', 'reaction', 'message#alice'],
+					['🚨', 'Luke', 'reaction', 'message#alice'],
+					['👥', 'Luke', 'reaction', 'message#alice'],
+					['👍', 'Paul', 'reaction', 'message#alice'],
+					['👍', 'Peter', 'reaction', 'message#alice'],
+					['💜', 'Matthew', 'reaction', 'message#alice'],
+					['💜', 'Mark', 'reaction', 'message#alice'],
+					['💜', 'Luke', 'reaction', 'message#alice'],
+				],
+				[
+					'💜' => 3,
+					'👍' => 2,
+				],
+				false,
+			],
+		];
+	}
+}