allow moving common test logic into traits

tests/lib/connector/sabre/requesttest/requesttest.php

@@ -16,12 +16,10 @@ use OC\Files\View;
 use OCP\IUser;
 use Sabre\HTTP\Request;
 use Test\TestCase;
+use Test\Traits\UserTrait;
 
 abstract class RequestTest extends TestCase {
-	/**
-	 * @var \OC_User_Dummy
-	 */
-	protected $userBackend;
+	use UserTrait;
 
 	/**
 	 * @var \OCP\Files\Config\IMountProvider[]
@@ -65,8 +63,6 @@ abstract class RequestTest extends TestCase {
 
 	protected function setUp() {
 		parent::setUp();
-		$this->userBackend = new \OC_User_Dummy();
-		\OC::$server->getUserManager()->registerBackend($this->userBackend);
 
 		$this->serverFactory = new ServerFactory(
 			\OC::$server->getConfig(),
@@ -78,15 +74,10 @@ abstract class RequestTest extends TestCase {
 		);
 	}
 
-	protected function tearDown() {
-		parent::tearDown();
-		\OC::$server->getUserManager()->removeBackend($this->userBackend);
-	}
-
 	protected function setupUser($name, $password) {
-		$this->userBackend->createUser($name, $password);
+		$this->createUser($name, $password);
 		\OC::$server->getMountProviderCollection()->registerProvider($this->getMountProvider($name, [
-			'/' . $name => new Temporary()
+			'/' . $name => '\OC\Files\Storage\Temporary'
 		]));
 		$this->loginAsUser($name);
 		return new View('/' . $name . '/files');

tests/lib/testcase.php

@@ -32,21 +32,52 @@ abstract class TestCase extends \PHPUnit_Framework_TestCase {
 	 */
 	private $commandBus;
 
+	protected function getTestTraits() {
+		$traits = [];
+		$class = $this;
+		do {
+			$traits = array_merge(class_uses($class), $traits);
+		} while ($class = get_parent_class($class));
+		foreach ($traits as $trait => $same) {
+			$traits = array_merge(class_uses($trait), $traits);
+		}
+		$traits = array_unique($traits);
+		return array_filter($traits, function ($trait) {
+			return substr($trait, 0, 5) === 'Test\\';
+		});
+	}
+
 	protected function setUp() {
 		// overwrite the command bus with one we can run ourselves
 		$this->commandBus = new QueueBus();
 		\OC::$server->registerService('AsyncCommandBus', function () {
 			return $this->commandBus;
 		});
+
+		$traits = $this->getTestTraits();
+		foreach ($traits as $trait) {
+			$methodName = 'setUp' . basename(str_replace('\\', '/', $trait));
+			if (method_exists($this, $methodName)) {
+				call_user_func([$this, $methodName]);
+			}
+		}
 	}
 
 	protected function tearDown() {
 		$hookExceptions = \OC_Hook::$thrownExceptions;
 		\OC_Hook::$thrownExceptions = [];
 		\OC::$server->getLockingProvider()->releaseAll();
-		if(!empty($hookExceptions)) {
+		if (!empty($hookExceptions)) {
 			throw $hookExceptions[0];
 		}
+
+		$traits = $this->getTestTraits();
+		foreach ($traits as $trait) {
+			$methodName = 'tearDown' . basename(str_replace('\\', '/', $trait));
+			if (method_exists($this, $methodName)) {
+				call_user_func([$this, $methodName]);
+			}
+		}
 	}
 
 	/**

tests/lib/traits/usertrait.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * Copyright (c) 2015 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace Test\Traits;
+
+/**
+ * Allow creating users in a temporary backend
+ */
+trait UserTrait {
+	/**
+	 * @var \OC_User_Dummy|\OCP\UserInterface
+	 */
+	protected $userBackend;
+
+	protected function createUser($name, $password) {
+		$this->userBackend->createUser($name, $password);
+	}
+
+	protected function setUpUserTrait() {
+		$this->userBackend = new \OC_User_Dummy();
+		\OC::$server->getUserManager()->registerBackend($this->userBackend);
+	}
+
+	protected function tearDownUserTrait() {
+		\OC::$server->getUserManager()->removeBackend($this->userBackend);
+	}
+}