[Pkg-owncloud-commits] [owncloud] 02/123: add integration test to ensure correct behaviour on lost connections

[David Prévot]

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taffit pushed a commit to branch stable8
in repository owncloud.

commit 9b6a9889269185c4bebee78d2727fbad740bbaee
Author: Arthur Schiwon <blizzz at owncloud.com>
Date:   Fri Apr 24 15:50:03 2015 +0200

    add integration test to ensure correct behaviour on lost connections
---
 .../integration/exceptionOnLostConnection.php      | 192 +++++++++++++++++++++
 1 file changed, 192 insertions(+)

diff --git a/apps/user_ldap/tests/integration/exceptionOnLostConnection.php b/apps/user_ldap/tests/integration/exceptionOnLostConnection.php
new file mode 100644
index 0000000..a55d482
--- /dev/null
+++ b/apps/user_ldap/tests/integration/exceptionOnLostConnection.php
@@ -0,0 +1,192 @@
+<?php
+/**
+ * @author Arthur Schiwon <blizzz at owncloud.com>
+ *
+ * @copyright Copyright (c) 2015, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * 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, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+use OC\ServerNotAvailableException;
+use OCA\user_ldap\lib\LDAP;
+
+/**
+ * Class ExceptionOnLostConnection
+ *
+ * integration test, ensures that an exception is thrown, when the connection is lost.
+ *
+ * LDAP must be available via toxiproxy.
+ *
+ * This test must be run manually. 
+ *
+ */
+class ExceptionOnLostConnection {
+	/** @var  string */
+	private $toxiProxyHost;
+
+	/** @var  string */
+	private $toxiProxyName;
+
+	/** @var  string */
+	private $ldapBase;
+
+	/** @var string|null  */
+	private $ldapBindDN;
+
+	/** @var string|null  */
+	private $ldapBindPwd;
+
+	/** @var  string */
+	private $ldapHost;
+
+	/** @var  OCA\user_ldap\lib\LDAP */
+	private $ldap;
+
+	/** @var  bool */
+	private $originalProxyState;
+
+	/**
+	 * @param string $proxyHost host of toxiproxy as url, like http://localhost:8474
+	 * @param string $proxyName name of the LDAP proxy service as configured in toxiProxy
+	 * @param string $ldapBase any valid LDAP base DN
+	 * @param null $bindDN optional, bind DN if anonymous bind is not possible
+	 * @param null $bindPwd optional
+	 */
+	public function __construct($proxyHost, $proxyName, $ldapBase, $bindDN = null, $bindPwd = null) {
+		$this->toxiProxyHost = $proxyHost;
+		$this->toxiProxyName = $proxyName;
+		$this->ldapBase = $ldapBase;
+		$this->ldapBindDN = $bindDN;
+		$this->ldapBindPwd = $bindPwd;
+
+		$this->setUp();
+	}
+
+	/**
+	 * destructor
+	 */
+	public function __destruct() {
+		$this->cleanUp();
+	}
+
+	/**
+	 * prepares everything for the test run. Includes loading ownCloud and
+	 * the LDAP backend, as well as getting information about toxiproxy.
+	 * Also creates an instance of the LDAP class, the testee
+	 *
+	 * @throws Exception
+	 */
+	public function setUp() {
+		require_once __DIR__  . '/../../../../lib/base.php';
+		\OC_App::loadApps('user_ldap');
+
+		$ch = $this->getCurl();
+		$proxyInfoJson = curl_exec($ch);
+		$this->checkCurlResult($ch, $proxyInfoJson);
+		$proxyInfo = json_decode($proxyInfoJson, true);
+		$this->originalProxyState = $proxyInfo['enabled'];
+		$this->ldapHost = 'ldap://' . $proxyInfo['listen']; // contains port as well
+
+		$this->ldap = new LDAP();
+	}
+
+	/**
+	 * restores original state of the LDAP proxy, if necessary
+	 */
+	public function cleanUp() {
+		if($this->originalProxyState === true) {
+			$this->setProxyState(true);
+		}
+	}
+
+	/**
+	 * runs the test and prints the result. Exit code is 0 if successful, 1 on
+	 * fail
+	 */
+	public function run() {
+		if($this->originalProxyState === false) {
+			$this->setProxyState(true);
+		}
+		//host contains port, 2nd parameter will be ignored
+		$cr = $this->ldap->connect($this->ldapHost, 0);
+		$this->ldap->bind($cr, $this->ldapBindDN, $this->ldapBindPwd);
+		$this->ldap->search($cr, $this->ldapBase, 'objectClass=*', array('dn'), true, 5);
+
+		// disable LDAP, will cause lost connection
+		$this->setProxyState(false);
+		try {
+			$this->ldap->search($cr, $this->ldapBase, 'objectClass=*', array('dn'), true, 5);
+		} catch (ServerNotAvailableException $e) {
+			print("Test PASSED" . PHP_EOL);
+			exit(0);
+		}
+		print("Test FAILED" . PHP_EOL);
+		exit(1);
+	}
+
+	/**
+	 * tests whether a curl operation ran successfully. If not, an exception
+	 * is thrown
+	 *
+	 * @param resource $ch
+	 * @param mixed $result
+	 * @throws Exception
+	 */
+	private function checkCurlResult($ch, $result) {
+		if($result === false) {
+			$error = curl_error($ch);
+			curl_close($ch);
+			throw new \Exception($error);
+		}
+	}
+
+	/**
+	 * enables or disabled the LDAP proxy service in toxiproxy
+	 *
+	 * @param bool $isEnabled whether is should be enabled or disables
+	 * @throws Exception
+	 */
+	private function setProxyState($isEnabled) {
+		if(!is_bool($isEnabled)) {
+			throw new \InvalidArgumentException('Bool expected');
+		}
+		$postData = json_encode(['enabled' => $isEnabled]);
+		$ch = $this->getCurl();
+		curl_setopt($ch, CURLOPT_POST, true);
+		curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
+		curl_setopt($ch, CURLOPT_HTTPHEADER, array(
+				'Content-Type: application/json',
+				'Content-Length: ' . strlen($postData))
+		);
+		$recvd = curl_exec($ch);
+		$this->checkCurlResult($ch, $recvd);
+	}
+
+	/**
+	 * initializes a curl handler towards the toxiproxy LDAP proxy service
+	 * @return resource
+	 */
+	private function getCurl() {
+		$ch = curl_init();
+		curl_setopt($ch, CURLOPT_URL, $this->toxiProxyHost . '/proxies/' . $this->toxiProxyName);
+		curl_setopt($ch, CURLOPT_HEADER, false);
+		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+		return $ch;
+	}
+}
+
+$test = new ExceptionOnLostConnection('http://localhost:8474', 'ldap', 'dc=owncloud,dc=bzoc');
+$test->run();
+

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