Add unit test

tests/lib/user/session.php

@@ -9,6 +9,9 @@
 
 namespace Test\User;
 
+use OC\Session\Memory;
+use OC\User\User;
+
 class Session extends \PHPUnit_Framework_TestCase {
 	public function testGetUser() {
 		$session = $this->getMock('\OC\Session\Memory', array(), array(''));
@@ -327,4 +330,31 @@ class Session extends \PHPUnit_Framework_TestCase {
 
 		$this->assertSame($granted, false);
 	}
+
+	public function testActiveUserAfterSetSession() {
+		$users = array(
+			'foo' => new User('foo', null),
+			'bar' => new User('bar', null)
+		);
+
+		$manager = $this->getMockBuilder('\OC\User\Manager')
+			->disableOriginalConstructor()
+			->getMock();
+
+		$manager->expects($this->any())
+			->method('get')
+			->will($this->returnCallback(function ($uid) use ($users) {
+				return $users[$uid];
+			}));
+
+		$session = new Memory('');
+		$session->set('user_id', 'foo');
+		$userSession = new \OC\User\Session($manager, $session);
+		$this->assertEquals($users['foo'], $userSession->getUser());
+
+		$session2 = new Memory('');
+		$session2->set('user_id', 'bar');
+		$userSession->setSession($session2);
+		$this->assertEquals($users['bar'], $userSession->getUser());
+	}
 }