Add commands to manage tags via OCC

list, add, delete, edit

Signed-off-by: Johannes Leuker <j.leuker@hosting.de>

core/Command/SystemTag/Add.php

@@ -0,0 +1,101 @@
+<?php
+/**
+ * @copyright Copyright (c) 2021, hosting.de, Johannes Leuker <developers@hosting.de>
+ *
+ * @author Johannes Leuker <developers@hosting.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Core\Command\SystemTag;
+
+use OC\Core\Command\Base;
+use OCP\SystemTag\ISystemTag;
+use OCP\SystemTag\ISystemTagManager;
+use OCP\SystemTag\TagAlreadyExistsException;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class Add extends Base {
+
+	/** @var ISystemTagManager */
+	protected $systemTagManager;
+
+	public function __construct(ISystemTagManager $systemTagManager) {
+		$this->systemTagManager = $systemTagManager;
+		parent::__construct();
+	}
+
+	protected function configure() {
+		$this
+			->setName('tag:add')
+			->setDescription('Add new tag')
+			->addArgument(
+				'name',
+				InputArgument::REQUIRED,
+				'name of the tag',
+			)
+			->addArgument(
+				'access',
+				InputArgument::REQUIRED,
+				'access level of the tag (public, restricted or invisible)',
+			);
+		parent::configure();
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output): int {
+		$name = $input->getArgument('name');
+		if ($name === '') {
+			$output->writeln('<error>`name` can\'t be empty</error>');
+			return 3;
+		}
+
+		switch ($input->getArgument('access')) {
+			case 'public':
+				$userVisible = true;
+				$userAssignable = true;
+				break;
+			case 'restricted':
+				$userVisible = true;
+				$userAssignable = false;
+				break;
+			case 'invisible':
+				$userVisible = false;
+				$userAssignable = false;
+				break;
+			default:
+				$output->writeln('<error>`access` property is invalid</error>');
+				return 1;
+		}
+
+		try {
+			$tag = $this->systemTagManager->createTag($name, $userVisible, $userAssignable);
+
+			$this->writeArrayInOutputFormat($input, $output,
+				[
+					'id' => $tag->getId(),
+					'name' => $tag->getName(),
+					'access' => ISystemTag::ACCESS_LEVEL_LOOKUP[$tag->getAccessLevel()],
+				]);
+			return 0;
+		} catch (TagAlreadyExistsException $e) {
+			$output->writeln('<error>'.$e->getMessage().'</error>');
+			return 2;
+		}
+	}
+}

core/Command/SystemTag/Delete.php

@@ -0,0 +1,64 @@
+<?php
+/**
+ * @copyright Copyright (c) 2021, hosting.de, Johannes Leuker <developers@hosting.de>
+ *
+ * @author Johannes Leuker <developers@hosting.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Core\Command\SystemTag;
+
+use OC\Core\Command\Base;
+use OCP\SystemTag\ISystemTagManager;
+use OCP\SystemTag\TagNotFoundException;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class Delete extends Base {
+
+	/** @var ISystemTagManager */
+	protected $systemTagManager;
+
+	public function __construct(ISystemTagManager $systemTagManager) {
+		$this->systemTagManager = $systemTagManager;
+		parent::__construct();
+	}
+
+	protected function configure() {
+		$this
+			->setName('tag:delete')
+			->setDescription('delete a tag')
+			->addArgument(
+				'id',
+				InputOption::VALUE_REQUIRED,
+				'The ID of the tag that should be deleted',
+			);
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output): int {
+		try {
+			$this->systemTagManager->deleteTags($input->getArgument('id'));
+			$output->writeln('<info>The specified tag was deleted</info>');
+			return 0;
+		} catch (TagNotFoundException $e) {
+			$output->writeln('<error>Tag not found</error>');
+			return 1;
+		}
+	}
+}

core/Command/SystemTag/Edit.php

@@ -0,0 +1,119 @@
+<?php
+/**
+ * @copyright Copyright (c) 2021, hosting.de, Johannes Leuker <developers@hosting.de>
+ *
+ * @author Johannes Leuker <developers@hosting.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Core\Command\SystemTag;
+
+use OC\Core\Command\Base;
+use OCP\SystemTag\ISystemTagManager;
+use OCP\SystemTag\TagAlreadyExistsException;
+use OCP\SystemTag\TagNotFoundException;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class Edit extends Base {
+
+	/** @var ISystemTagManager */
+	protected $systemTagManager;
+
+	/**
+	 * @param ISystemTagManager $systemTagManager
+	 */
+	public function __construct(ISystemTagManager $systemTagManager) {
+		$this->systemTagManager = $systemTagManager;
+		parent::__construct();
+	}
+
+	protected function configure() {
+		$this
+			->setName('tag:edit')
+			->setDescription('edit tag attributes')
+			->addArgument(
+				'id',
+				InputOption::VALUE_REQUIRED,
+				'The ID of the tag that should be deleted',
+			)
+			->addOption(
+				'name',
+				null,
+				InputOption::VALUE_OPTIONAL,
+				'sets the \'name\' parameter',
+			)
+			->addOption(
+				'access',
+				null,
+				InputOption::VALUE_OPTIONAL,
+				'sets the access control level (public, restricted, invisible)',
+			);
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output): int {
+		$tagArray = $this->systemTagManager->getTagsByIds($input->getArgument('id'));
+		// returns an array, but we always expect 0 or 1 results
+
+		if (!$tagArray) {
+			$output->writeln('<error>Tag not found</error>');
+			return 3;
+		}
+
+		$tag = array_values($tagArray)[0];
+		$name = $tag->getName();
+		if (!empty($input->getOption('name'))) {
+			$name = $input->getOption('name');
+		}
+
+		$userVisible = $tag->isUserVisible();
+		$userAssignable = $tag->isUserAssignable();
+		if ($input->getOption('access')) {
+			switch ($input->getOption('access')) {
+				case 'public':
+					$userVisible = true;
+					$userAssignable = true;
+					break;
+				case 'restricted':
+					$userVisible = true;
+					$userAssignable = false;
+					break;
+				case 'invisible':
+					$userVisible = false;
+					$userAssignable = false;
+					break;
+				default:
+					$output->writeln('<error>`access` property is invalid</error>');
+					return 1;
+			}
+		}
+
+		try {
+			$this->systemTagManager->updateTag($input->getArgument('id'), $name, $userVisible, $userAssignable);
+			$output->writeln('<info>Tag updated ("' . $name . '", '. $userVisible . ', ' . $userAssignable . ')</info>');
+			return 0;
+		} catch (TagNotFoundException $e) {
+			$output->writeln('<error>Tag not found</error>');
+			return 1;
+		} catch (TagAlreadyExistsException $e) {
+			$output->writeln('<error>'.$e->getMessage().'</error>');
+			return 2;
+		}
+	}
+}

core/Command/SystemTag/ListCommand.php

@@ -0,0 +1,85 @@
+<?php
+/**
+ * @copyright Copyright (c) 2021, hosting.de, Johannes Leuker <developers@hosting.de>
+ *
+ * @author Johannes Leuker <developers@hosting.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Core\Command\SystemTag;
+
+use OC\Core\Command\Base;
+use OCP\SystemTag\ISystemTagManager;
+use OCP\SystemTag\ISystemTag;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class ListCommand extends Base {
+
+	/** @var ISystemTagManager */
+	protected $systemTagManager;
+
+	public function __construct(ISystemTagManager $systemTagManager) {
+		$this->systemTagManager = $systemTagManager;
+		parent::__construct();
+	}
+
+	protected function configure() {
+		$this
+			->setName('tag:list')
+			->setDescription('list tags')
+			->addOption(
+				'visibilityFilter',
+				null,
+				InputOption::VALUE_OPTIONAL,
+				'filter by visibility (1,0)'
+			)
+			->addOption(
+				'nameSearchPattern',
+				null,
+				InputOption::VALUE_OPTIONAL,
+				'optional search pattern for the tag name (infix)'
+			);
+		parent::configure();
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output): int {
+		$tags = $this->systemTagManager->getAllTags(
+			$input->getOption('visibilityFilter'),
+			$input->getOption('nameSearchPattern')
+		);
+
+		$this->writeArrayInOutputFormat($input, $output, $this->formatTags($tags));
+		return 0;
+	}
+
+	/**
+	 * @param ISystemtag[] $tags
+	 * @return array
+	 */
+	private function formatTags(array $tags) {
+		foreach ($tags as $tag) {
+			$result[$tag->getId()] = [
+				'name' => $tag->getName(),
+				'access' => ISystemTag::ACCESS_LEVEL_LOOKUP[$tag->getAccessLevel()],
+			];
+		}
+		return $result;
+	}
+}

core/register_command.php

@@ -190,6 +190,11 @@ if (\OC::$server->getConfig()->getSystemValue('installed', false)) {
 	$application->add(new OC\Core\Command\Group\RemoveUser(\OC::$server->getUserManager(), \OC::$server->getGroupManager()));
 	$application->add(new OC\Core\Command\Group\Info(\OC::$server->get(\OCP\IGroupManager::class)));
 
+	$application->add(new OC\Core\Command\SystemTag\ListCommand(\OC::$server->get(\OCP\SystemTag\ISystemTagManager::class)));
+	$application->add(new OC\Core\Command\SystemTag\Delete(\OC::$server->get(\OCP\SystemTag\ISystemTagManager::class)));
+	$application->add(new OC\Core\Command\SystemTag\Add(\OC::$server->get(\OCP\SystemTag\ISystemTagManager::class)));
+	$application->add(new OC\Core\Command\SystemTag\Edit(\OC::$server->get(\OCP\SystemTag\ISystemTagManager::class)));
+
 	$application->add(new OC\Core\Command\Security\ListCertificates(\OC::$server->getCertificateManager(), \OC::$server->getL10N('core')));
 	$application->add(new OC\Core\Command\Security\ImportCertificate(\OC::$server->getCertificateManager()));
 	$application->add(new OC\Core\Command\Security\RemoveCertificate(\OC::$server->getCertificateManager()));

lib/composer/composer/autoload_classmap.php

@@ -867,6 +867,10 @@ return array(
     'OC\\Core\\Command\\Security\\RemoveCertificate' => $baseDir . '/core/Command/Security/RemoveCertificate.php',
     'OC\\Core\\Command\\Security\\ResetBruteforceAttempts' => $baseDir . '/core/Command/Security/ResetBruteforceAttempts.php',
     'OC\\Core\\Command\\Status' => $baseDir . '/core/Command/Status.php',
+    'OC\\Core\\Command\\SystemTag\\Add' => $baseDir . '/core/Command/SystemTag/Add.php',
+    'OC\\Core\\Command\\SystemTag\\Delete' => $baseDir . '/core/Command/SystemTag/Delete.php',
+    'OC\\Core\\Command\\SystemTag\\Edit' => $baseDir . '/core/Command/SystemTag/Edit.php',
+    'OC\\Core\\Command\\SystemTag\\ListCommand' => $baseDir . '/core/Command/SystemTag/ListCommand.php',
     'OC\\Core\\Command\\TwoFactorAuth\\Base' => $baseDir . '/core/Command/TwoFactorAuth/Base.php',
     'OC\\Core\\Command\\TwoFactorAuth\\Cleanup' => $baseDir . '/core/Command/TwoFactorAuth/Cleanup.php',
     'OC\\Core\\Command\\TwoFactorAuth\\Disable' => $baseDir . '/core/Command/TwoFactorAuth/Disable.php',

lib/composer/composer/autoload_static.php

@@ -896,6 +896,10 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Core\\Command\\Security\\RemoveCertificate' => __DIR__ . '/../../..' . '/core/Command/Security/RemoveCertificate.php',
         'OC\\Core\\Command\\Security\\ResetBruteforceAttempts' => __DIR__ . '/../../..' . '/core/Command/Security/ResetBruteforceAttempts.php',
         'OC\\Core\\Command\\Status' => __DIR__ . '/../../..' . '/core/Command/Status.php',
+        'OC\\Core\\Command\\SystemTag\\Add' => __DIR__ . '/../../..' . '/core/Command/SystemTag/Add.php',
+        'OC\\Core\\Command\\SystemTag\\Delete' => __DIR__ . '/../../..' . '/core/Command/SystemTag/Delete.php',
+        'OC\\Core\\Command\\SystemTag\\Edit' => __DIR__ . '/../../..' . '/core/Command/SystemTag/Edit.php',
+        'OC\\Core\\Command\\SystemTag\\ListCommand' => __DIR__ . '/../../..' . '/core/Command/SystemTag/ListCommand.php',
         'OC\\Core\\Command\\TwoFactorAuth\\Base' => __DIR__ . '/../../..' . '/core/Command/TwoFactorAuth/Base.php',
         'OC\\Core\\Command\\TwoFactorAuth\\Cleanup' => __DIR__ . '/../../..' . '/core/Command/TwoFactorAuth/Cleanup.php',
         'OC\\Core\\Command\\TwoFactorAuth\\Disable' => __DIR__ . '/../../..' . '/core/Command/TwoFactorAuth/Disable.php',

lib/private/SystemTag/SystemTag.php

@@ -93,4 +93,19 @@ class SystemTag implements ISystemTag {
 	public function isUserAssignable(): bool {
 		return $this->userAssignable;
 	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function getAccessLevel(): int {
+		if ($this->userVisible) {
+			if ($this->userAssignable) {
+				return self::ACCESS_LEVEL_PUBLIC;
+			} else {
+				return self::ACCESS_LEVEL_RESTRICTED;
+			}
+		} else {
+			return self::ACCESS_LEVEL_INVISIBLE;
+		}
+	}
 }

lib/public/SystemTag/ISystemTag.php

@@ -32,6 +32,27 @@ namespace OCP\SystemTag;
  * @since 9.0.0
  */
 interface ISystemTag {
+	/**
+	 * @since 22.0.0
+	 */
+	public const ACCESS_LEVEL_PUBLIC = 0;
+	/**
+	 * @since 22.0.0
+	 */
+	public const ACCESS_LEVEL_RESTRICTED = 1;
+	/**
+	 * @since 22.0.0
+	 */
+	public const ACCESS_LEVEL_INVISIBLE = 2;
+
+	/**
+	 * @since 22.0.0
+	 */
+	public const ACCESS_LEVEL_LOOKUP = [
+		ISystemTag::ACCESS_LEVEL_PUBLIC => 'public',
+		ISystemTag::ACCESS_LEVEL_RESTRICTED => 'restricted',
+		ISystemTag::ACCESS_LEVEL_INVISIBLE => 'invisible',
+	];
 
 	/**
 	 * Returns the tag id
@@ -68,4 +89,13 @@ interface ISystemTag {
 	 * @since 9.0.0
 	 */
 	public function isUserAssignable(): bool;
+
+	/**
+	 * Returns a term summarizing the access control flags
+	 *
+	 * @return int the level of access control
+	 *
+	 * @since 22.0.0
+	 */
+	public function getAccessLevel(): int;
 }

tests/Core/Command/SystemTag/AddTest.php

@@ -0,0 +1,138 @@
+<?php
+/**
+ * @copyright Copyright (c) 2021, hosting.de, Johannes Leuker <developers@hosting.de>
+ *
+ * @author Johannes Leuker <developers@hosting.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Test\Core\Command\SystemTag;
+
+use OC\Core\Command\SystemTag\Add;
+use OCP\SystemTag\ISystemTag;
+use OCP\SystemTag\ISystemTagManager;
+use OCP\SystemTag\TagAlreadyExistsException;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Test\TestCase;
+
+class AddTest extends TestCase {
+
+	/** @var ISystemTagManager|\PHPUnit\Framework\MockObject\MockObject */
+	private $systemTagManager;
+
+	/** @var ListCommand|\PHPUnit\Framework\MockObject\MockObject */
+	private $command;
+
+	/** @var InputInterface|\PHPUnit\Framework\MockObject\MockObject */
+	private $input;
+
+	/** @var OutputInterface|\PHPUnit\Framework\MockObject\MockObject */
+	private $output;
+
+	protected function setUp(): void {
+		parent::setUp();
+
+		$this->systemTagManager = $this->createMock(ISystemTagManager::class);
+		$this->command = $this->getMockBuilder(Add::class)
+			->setConstructorArgs([$this->systemTagManager])
+			->setMethods(['writeArrayInOutputFormat'])
+			->getMock();
+
+		$this->input = $this->createMock(InputInterface::class);
+		$this->output = $this->createMock(OutputInterface::class);
+	}
+
+	public function testExecute() {
+		$tagId = '42';
+		$tagName = 'wichtig';
+		$tagAccess = 'public';
+
+		$tag = $this->createMock(ISystemTag::class);
+		$tag->method('getId')->willReturn($tagId);
+		$tag->method('getName')->willReturn($tagName);
+		$tag->method('getAccessLevel')->willReturn(ISystemTag::ACCESS_LEVEL_PUBLIC);
+
+		$this->systemTagManager->method('createTag')
+			->with(
+				$tagName,
+				true,
+				true
+			)->willReturn($tag);
+
+		$this->input->method('getArgument')
+			->willReturnCallback(function ($arg) use ($tagName, $tagAccess) {
+				if ($arg === 'name') {
+					return $tagName;
+				} elseif ($arg === 'access') {
+					return $tagAccess;
+				}
+				throw new \Exception();
+			});
+
+		$this->command->expects($this->once())
+			->method('writeArrayInOutputFormat')
+			->with(
+				$this->equalTo($this->input),
+				$this->equalTo($this->output),
+				[
+					'id' => $tagId,
+					'name' => $tagName,
+					'access' => $tagAccess,
+				]
+			);
+
+		$this->invokePrivate($this->command, 'execute', [$this->input, $this->output]);
+	}
+
+	public function testAlreadyExists() {
+		$tagId = '42';
+		$tagName = 'wichtig';
+		$tagAccess = 'public';
+
+		$tag = $this->createMock(ISystemTag::class);
+		$tag->method('getId')->willReturn($tagId);
+		$tag->method('getName')->willReturn($tagName);
+		$tag->method('getAccessLevel')->willReturn(ISystemTag::ACCESS_LEVEL_PUBLIC);
+
+		$this->systemTagManager->method('createTag')
+			->willReturnCallback(function ($tagName, $userVisible, $userAssignable) {
+				throw new TagAlreadyExistsException(
+					'Tag ("' . $tagName . '", '. $userVisible . ', ' . $userAssignable . ') already exists'
+				);
+			});
+
+		$this->input->method('getArgument')
+			->willReturnCallback(function ($arg) use ($tagName, $tagAccess) {
+				if ($arg === 'name') {
+					return $tagName;
+				} elseif ($arg === 'access') {
+					return $tagAccess;
+				}
+				throw new \Exception();
+			});
+
+		$this->output->expects($this->once())
+			->method('writeln')
+			->with(
+				'<error>Tag ("wichtig", 1, 1) already exists</error>'
+			);
+
+		$this->invokePrivate($this->command, 'execute', [$this->input, $this->output]);
+	}
+}

tests/Core/Command/SystemTag/DeleteTest.php

@@ -0,0 +1,100 @@
+<?php
+/**
+ * @copyright Copyright (c) 2021, hosting.de, Johannes Leuker <developers@hosting.de>
+ *
+ * @author Johannes Leuker <developers@hosting.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Test\Core\Command\SystemTag;
+
+use OC\Core\Command\SystemTag\Delete;
+use OCP\SystemTag\ISystemTagManager;
+use OCP\SystemTag\TagNotFoundException;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Test\TestCase;
+
+class DeleteTest extends TestCase {
+
+	/** @var ISystemTagManager|\PHPUnit\Framework\MockObject\MockObject */
+	private $systemTagManager;
+
+	/** @var ListCommand|\PHPUnit\Framework\MockObject\MockObject */
+	private $command;
+
+	/** @var InputInterface|\PHPUnit\Framework\MockObject\MockObject */
+	private $input;
+
+	/** @var OutputInterface|\PHPUnit\Framework\MockObject\MockObject */
+	private $output;
+
+	protected function setUp(): void {
+		parent::setUp();
+
+		$this->systemTagManager = $this->createMock(ISystemTagManager::class);
+		$this->command = $this->getMockBuilder(Delete::class)
+			->setConstructorArgs([$this->systemTagManager])
+			->setMethods(['writeArrayInOutputFormat'])
+			->getMock();
+
+		$this->input = $this->createMock(InputInterface::class);
+		$this->output = $this->createMock(OutputInterface::class);
+	}
+
+	public function testExecute() {
+		$tagId = 69;
+
+		$this->input->method('getArgument')
+			->willReturnCallback(function ($arg) use ($tagId) {
+				if ($arg === 'id') {
+					return $tagId;
+				}
+				throw new \Exception();
+			});
+
+		$this->output->expects($this->once())
+			->method('writeln')
+			->with('<info>The specified tag was deleted</info>');
+
+		$this->invokePrivate($this->command, 'execute', [$this->input, $this->output]);
+	}
+
+	public function testNotFound() {
+		$tagId = 69;
+
+		$this->input->method('getArgument')
+			->willReturnCallback(function ($arg) use ($tagId) {
+				if ($arg === 'id') {
+					return $tagId;
+				}
+				throw new \Exception();
+			});
+
+		$this->systemTagManager->method('deleteTags')
+			->willReturnCallback(function ($tagId) {
+				throw new TagNotFoundException();
+			});
+
+		$this->output->expects($this->once())
+			->method('writeln')
+			->with('<error>Tag not found</error>');
+
+		$this->invokePrivate($this->command, 'execute', [$this->input, $this->output]);
+	}
+}

tests/Core/Command/SystemTag/EditTest.php

@@ -0,0 +1,201 @@
+<?php
+/**
+ * @copyright Copyright (c) 2021, hosting.de, Johannes Leuker <developers@hosting.de>
+ *
+ * @author Johannes Leuker <developers@hosting.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Test\Core\Command\SystemTag;
+
+use OC\Core\Command\SystemTag\Edit;
+use OCP\SystemTag\ISystemTag;
+use OCP\SystemTag\ISystemTagManager;
+use OCP\SystemTag\TagAlreadyExistsException;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Test\TestCase;
+
+class EditTest extends TestCase {
+
+	/** @var ISystemTagManager|\PHPUnit\Framework\MockObject\MockObject */
+	private $systemTagManager;
+
+	/** @var ListCommand|\PHPUnit\Framework\MockObject\MockObject */
+	private $command;
+
+	/** @var InputInterface|\PHPUnit\Framework\MockObject\MockObject */
+	private $input;
+
+	/** @var OutputInterface|\PHPUnit\Framework\MockObject\MockObject */
+	private $output;
+
+	protected function setUp(): void {
+		parent::setUp();
+
+		$this->systemTagManager = $this->createMock(ISystemTagManager::class);
+		$this->command = $this->getMockBuilder(Edit::class)
+			->setConstructorArgs([$this->systemTagManager])
+			->setMethods(['writeArrayInOutputFormat'])
+			->getMock();
+
+		$this->input = $this->createMock(InputInterface::class);
+		$this->output = $this->createMock(OutputInterface::class);
+	}
+
+	public function testExecute() {
+		$tagId = '5';
+		$tagName = 'unwichtige Dateien';
+		$newTagName = 'moderat wichtige Dateien';
+		$newTagAccess = 'restricted';
+		$newTagUserVisible = true;
+		$newTagUserAssignable = false;
+
+		$tag = $this->createMock(ISystemTag::class);
+		$tag->method('getId')->willReturn($tagId);
+		$tag->method('getName')->willReturn($tagName);
+		$tag->method('getAccessLevel')->willReturn(ISystemTag::ACCESS_LEVEL_INVISIBLE);
+
+		$this->systemTagManager->method('getTagsByIds')
+			->with($tagId)
+			->willReturn([$tag]);
+
+		$this->input->method('getArgument')
+			->willReturnCallback(function ($arg) use ($tagId) {
+				if ($arg === 'id') {
+					return $tagId;
+				}
+				throw new \Exception();
+			});
+
+		$this->input->method('getOption')
+			->willReturnCallback(function ($arg) use ($newTagName, $newTagAccess) {
+				if ($arg === 'name') {
+					return $newTagName;
+				} elseif ($arg === 'access') {
+					return $newTagAccess;
+				}
+				throw new \Exception();
+			});
+
+		$this->systemTagManager->expects($this->once())
+			->method('updateTag')
+			->with(
+				$tagId,
+				$newTagName,
+				$newTagUserVisible,
+				$newTagUserAssignable
+			);
+
+		$this->output->expects($this->once())
+			->method('writeln')
+			->with(
+				'<info>Tag updated ("'.$newTagName.'", '.$newTagUserVisible.', '.$newTagUserAssignable.')</info>'
+			);
+
+		$this->invokePrivate($this->command, 'execute', [$this->input, $this->output]);
+	}
+
+	public function testAlreadyExists() {
+		$tagId = '5';
+		$tagName = 'unwichtige Dateien';
+		$tagUserVisible = false;
+		$tagUserAssignable = false;
+		$newTagName = 'moderat wichtige Dateien';
+		$newTagAccess = 'restricted';
+		$newTagUserVisible = true;
+		$newTagUserAssignable = false;
+
+		$tag = $this->createMock(ISystemTag::class);
+		$tag->method('getId')->willReturn($tagId);
+		$tag->method('getName')->willReturn($tagName);
+		$tag->method('isUserVisible')->willReturn($tagUserVisible);
+		$tag->method('isUserAssignable')->willReturn($tagUserAssignable);
+		$tag->method('getAccessLevel')->willReturn(ISystemTag::ACCESS_LEVEL_INVISIBLE);
+
+		$this->systemTagManager->method('getTagsByIds')
+			->with($tagId)
+			->willReturn([$tag]);
+
+		$this->input->method('getArgument')
+			->willReturnCallback(function ($arg) use ($tagId) {
+				if ($arg === 'id') {
+					return $tagId;
+				}
+				throw new \Exception();
+			});
+
+		$this->input->method('getOption')
+			->willReturnCallback(function ($arg) use ($newTagName, $newTagAccess) {
+				if ($arg === 'name') {
+					return $newTagName;
+				} elseif ($arg === 'access') {
+					return $newTagAccess;
+				}
+				throw new \Exception();
+			});
+
+		$this->systemTagManager->method('updateTag')
+			->willReturnCallback(function ($tagId, $tagName, $userVisible, $userAssignable) {
+				throw new TagAlreadyExistsException(
+					'Tag ("' . $tagName . '", '. $userVisible . ', ' . $userAssignable . ') already exists'
+				);
+			});
+
+		$this->systemTagManager->expects($this->once())
+			->method('updateTag')
+			->with(
+				$tagId,
+				$newTagName,
+				$newTagUserVisible,
+				$newTagUserAssignable
+			);
+
+		$this->output->expects($this->once())
+			->method('writeln')
+			->with(
+				'<error>Tag ("' . $newTagName . '", '. $newTagUserVisible . ', ' . $newTagUserAssignable . ') already exists</error>'
+			);
+
+		$this->invokePrivate($this->command, 'execute', [$this->input, $this->output]);
+	}
+
+	public function testNotFound() {
+		$tagId = '404';
+
+		$this->input->method('getArgument')
+			->willReturnCallback(function ($arg) use ($tagId) {
+				if ($arg === 'id') {
+					return $tagId;
+				}
+				throw new \Exception();
+			});
+
+		$this->systemTagManager->method('getTagsByIds')
+		->with($tagId)
+		->willReturn([]);
+
+		$this->output->expects($this->once())
+			->method('writeln')
+			->with(
+				'<error>Tag not found</error>'
+			);
+
+		$this->invokePrivate($this->command, 'execute', [$this->input, $this->output]);
+	}
+}

tests/Core/Command/SystemTag/ListCommandTest.php

@@ -0,0 +1,113 @@
+<?php
+/**
+ * @copyright Copyright (c) 2021, hosting.de, Johannes Leuker <developers@hosting.de>
+ *
+ * @author Johannes Leuker <developers@hosting.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Test\Core\Command\SystemTag;
+
+use OC\Core\Command\SystemTag\ListCommand;
+use OCP\SystemTag\ISystemTag;
+use OCP\SystemTag\ISystemTagManager;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Test\TestCase;
+
+class ListCommandTest extends TestCase {
+
+	/** @var ISystemTagManager|\PHPUnit\Framework\MockObject\MockObject */
+	private $systemTagManager;
+
+	/** @var ListCommand|\PHPUnit\Framework\MockObject\MockObject */
+	private $command;
+
+	/** @var InputInterface|\PHPUnit\Framework\MockObject\MockObject */
+	private $input;
+
+	/** @var OutputInterface|\PHPUnit\Framework\MockObject\MockObject */
+	private $output;
+
+	protected function setUp(): void {
+		parent::setUp();
+
+		$this->systemTagManager = $this->createMock(ISystemTagManager::class);
+		$this->command = $this->getMockBuilder(ListCommand::class)
+			->setConstructorArgs([$this->systemTagManager])
+			->setMethods(['writeArrayInOutputFormat'])
+			->getMock();
+
+		$this->input = $this->createMock(InputInterface::class);
+		$this->output = $this->createMock(OutputInterface::class);
+	}
+
+	public function testExecute() {
+		$tag1 = $this->createMock(ISystemTag::class);
+		$tag1->method('getId')->willReturn('1');
+		$tag1->method('getName')->willReturn('public_tag');
+		$tag1->method('getAccessLevel')->willReturn(ISystemTag::ACCESS_LEVEL_PUBLIC);
+		$tag2 = $this->createMock(ISystemTag::class);
+		$tag2->method('getId')->willReturn('2');
+		$tag2->method('getName')->willReturn('restricted_tag');
+		$tag2->method('getAccessLevel')->willReturn(ISystemTag::ACCESS_LEVEL_RESTRICTED);
+		$tag3 = $this->createMock(ISystemTag::class);
+		$tag3->method('getId')->willReturn('3');
+		$tag3->method('getName')->willReturn('invisible_tag');
+		$tag3->method('getAccessLevel')->willReturn(ISystemTag::ACCESS_LEVEL_INVISIBLE);
+
+		$this->systemTagManager->method('getAllTags')
+			->with(
+				null,
+				null
+			)->willReturn([$tag1, $tag2, $tag3]);
+
+		$this->input->method('getOption')
+			->willReturnCallback(function ($arg) {
+				if ($arg === 'visibilityFilter') {
+					return null;
+				} elseif ($arg === 'nameSearchPattern') {
+					return null;
+				}
+				throw new \Exception();
+			});
+
+		$this->command->expects($this->once())
+			->method('writeArrayInOutputFormat')
+			->with(
+				$this->equalTo($this->input),
+				$this->equalTo($this->output),
+				[
+					'1' => [
+						'name' => 'public_tag',
+						'access' => 'public',
+					],
+					'2' => [
+						'name' => 'restricted_tag',
+						'access' => 'restricted',
+					],
+					'3' => [
+						'name' => 'invisible_tag',
+						'access' => 'invisible',
+					]
+				]
+			);
+
+		$this->invokePrivate($this->command, 'execute', [$this->input, $this->output]);
+	}
+}