added support for saml login (#1408)

tests/Saml/Logout/SamlLogoutHandlerTest.php

@@ -0,0 +1,62 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Tests\Saml\Logout;
+
+use App\Entity\User;
+use App\Saml\Logout\SamlLogoutHandler;
+use App\Saml\SamlAuth;
+use Hslavich\OneloginSamlBundle\Security\Authentication\Token\SamlToken;
+use OneLogin\Saml2\Error;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * @covers \App\Saml\Logout\SamlLogoutHandler
+ */
+class SamlLogoutHandlerTest extends TestCase
+{
+    public function testLogout()
+    {
+        $auth = $this->getMockBuilder(SamlAuth::class)->disableOriginalConstructor()->getMock();
+        $auth->expects($this->once())->method('processSLO')->willThrowException(new Error('blub'));
+        $auth->expects($this->once())->method('getSLOurl')->willReturn('');
+
+        $request = new Request();
+        $response = new Response();
+        $token = new SamlToken([]);
+
+        $sut = new SamlLogoutHandler($auth);
+        $sut->logout($request, $response, $token);
+    }
+
+    public function testLogoutWithLogoutUrl()
+    {
+        $auth = $this->getMockBuilder(SamlAuth::class)->disableOriginalConstructor()->getMock();
+        $auth->expects($this->once())->method('processSLO')->willThrowException(new Error('blub'));
+        $auth->expects($this->once())->method('getSLOurl')->willReturn('/logout');
+        $auth->expects($this->once())->method('logout')->willReturnCallback(function () {
+            $args = func_get_args();
+            self::assertEquals(null, $args[0]);
+            self::assertEquals([], $args[1]);
+            self::assertEquals('tony', $args[2]);
+            self::assertEquals('foo-bar', $args[3]);
+        });
+
+        $request = new Request();
+        $response = new Response();
+        $token = new SamlToken([]);
+        $token->setUser((new User())->setUsername('tony'));
+        $token->setAttribute('sessionIndex', 'foo-bar');
+
+        $sut = new SamlLogoutHandler($auth);
+        $sut->logout($request, $response, $token);
+    }
+}