Add test if repair step is already done

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

lib/private/Repair.php

@@ -158,7 +158,8 @@ class Repair implements IOutput{
 			),
 			new CleanPreviews(
 				\OC::$server->getJobList(),
-				\OC::$server->getUserManager()
+				\OC::$server->getUserManager(),
+				\OC::$server->getConfig()
 			),
 		];
 	}

lib/private/Repair/NC11/CleanPreviews.php

@@ -23,6 +23,7 @@
 namespace OC\Repair\NC11;
 
 use OCP\BackgroundJob\IJobList;
+use OCP\IConfig;
 use OCP\IUser;
 use OCP\IUserManager;
 use OCP\Migration\IOutput;
@@ -36,16 +37,22 @@ class CleanPreviews implements IRepairStep {
 	/** @var IUserManager */
 	private $userManager;
 
+	/** @var IConfig */
+	private $config;
+
 	/**
 	 * MoveAvatars constructor.
 	 *
 	 * @param IJobList $jobList
 	 * @param IUserManager $userManager
+	 * @param IConfig $config
 	 */
 	public function __construct(IJobList $jobList,
-								IUserManager $userManager) {
+								IUserManager $userManager,
+								IConfig $config) {
 		$this->jobList = $jobList;
 		$this->userManager = $userManager;
+		$this->config = $config;
 	}
 
 	/**
@@ -56,8 +63,11 @@ class CleanPreviews implements IRepairStep {
 	}
 
 	public function run(IOutput $output) {
-		$this->userManager->callForSeenUsers(function(IUser $user) {
-			$this->jobList->add(CleanPreviewsBackgroundJob::class, ['uid' => $user->getUID()]);
-		});
+		if (!$this->config->getAppValue('core', 'previewsCleanedUp', false)) {
+			$this->userManager->callForSeenUsers(function (IUser $user) {
+				$this->jobList->add(CleanPreviewsBackgroundJob::class, ['uid' => $user->getUID()]);
+			});
+			$this->config->setAppValue('core', 'previewsCleanedUp', 1);
+		}
 	}
 }

tests/lib/Repair/NC11/CleanPreviewsTest.php

@@ -25,6 +25,7 @@ namespace Test\Repair\NC11;
 use OC\Repair\NC11\CleanPreviews;
 use OC\Repair\NC11\CleanPreviewsBackgroundJob;
 use OCP\BackgroundJob\IJobList;
+use OCP\IConfig;
 use OCP\IUser;
 use OCP\IUserManager;
 use OCP\Migration\IOutput;
@@ -39,6 +40,9 @@ class CleanPreviewsTest extends TestCase {
 	/** @var IUserManager|\PHPUnit_Framework_MockObject_MockObject */
 	private $userManager;
 
+	/** @var IConfig|\PHPUnit_Framework_MockObject_MockObject */
+	private $config;
+
 	/** @var CleanPreviews */
 	private $repair;
 
@@ -47,10 +51,12 @@ class CleanPreviewsTest extends TestCase {
 
 		$this->jobList = $this->createMock(IJobList::class);
 		$this->userManager = $this->createMock(IUserManager::class);
+		$this->config = $this->createMock(IConfig::class);
 
 		$this->repair = new CleanPreviews(
 			$this->jobList,
-			$this->userManager
+			$this->userManager,
+			$this->config
 		);
 	}
 
@@ -87,6 +93,42 @@ class CleanPreviewsTest extends TestCase {
 				$this->equalTo(['uid' => 'user2'])
 			);
 
+		$this->config->expects($this->once())
+			->method('getAppValue')
+			->with(
+				$this->equalTo('core'),
+				$this->equalTo('previewsCleanedUp'),
+				$this->equalTo(false)
+			)->willReturn(false);
+		$this->config->expects($this->once())
+			->method('setAppValue')
+			->with(
+				$this->equalTo('core'),
+				$this->equalTo('previewsCleanedUp'),
+				$this->equalTo(1)
+			);
+
+		$this->repair->run($this->createMock(IOutput::class));
+	}
+
+
+	public function testRunAlreadyDoone() {
+		$this->userManager->expects($this->never())
+			->method($this->anything());
+
+		$this->jobList->expects($this->never())
+			->method($this->anything());
+
+		$this->config->expects($this->once())
+			->method('getAppValue')
+			->with(
+				$this->equalTo('core'),
+				$this->equalTo('previewsCleanedUp'),
+				$this->equalTo(false)
+			)->willReturn('1');
+		$this->config->expects($this->never())
+			->method('setAppValue');
+
 		$this->repair->run($this->createMock(IOutput::class));
 	}