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diff --git a/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/MongoDbSessionHandlerTest.php b/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/MongoDbSessionHandlerTest.php
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+++ b/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/MongoDbSessionHandlerTest.php
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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpFoundation\Tests\Session\Storage\Handler;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Session\Storage\Handler\MongoDbSessionHandler;
+
+/**
+ * @author Markus Bachmann <markus.bachmann@bachi.biz>
+ * @group time-sensitive
+ */
+class MongoDbSessionHandlerTest extends TestCase
+{
+    /**
+     * @var \PHPUnit_Framework_MockObject_MockObject
+     */
+    private $mongo;
+    private $storage;
+    public $options;
+
+    protected function setUp()
+    {
+        parent::setUp();
+
+        if (!extension_loaded('mongo') && !extension_loaded('mongodb')) {
+            $this->markTestSkipped('The Mongo or MongoDB extension is required.');
+        }
+
+        if (phpversion('mongodb')) {
+            $mongoClass = 'MongoDB\Client';
+        } else {
+            $mongoClass = version_compare(phpversion('mongo'), '1.3.0', '<') ? 'Mongo' : 'MongoClient';
+        }
+
+        $this->mongo = $this->getMockBuilder($mongoClass)
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $this->options = array(
+            'id_field' => '_id',
+            'data_field' => 'data',
+            'time_field' => 'time',
+            'expiry_field' => 'expires_at',
+            'database' => 'sf2-test',
+            'collection' => 'session-test',
+        );
+
+        $this->storage = new MongoDbSessionHandler($this->mongo, $this->options);
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testConstructorShouldThrowExceptionForInvalidMongo()
+    {
+        new MongoDbSessionHandler(new \stdClass(), $this->options);
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testConstructorShouldThrowExceptionForMissingOptions()
+    {
+        new MongoDbSessionHandler($this->mongo, array());
+    }
+
+    public function testOpenMethodAlwaysReturnTrue()
+    {
+        $this->assertTrue($this->storage->open('test', 'test'), 'The "open" method should always return true');
+    }
+
+    public function testCloseMethodAlwaysReturnTrue()
+    {
+        $this->assertTrue($this->storage->close(), 'The "close" method should always return true');
+    }
+
+    public function testRead()
+    {
+        $collection = $this->createMongoCollectionMock();
+
+        $this->mongo->expects($this->once())
+            ->method('selectCollection')
+            ->with($this->options['database'], $this->options['collection'])
+            ->will($this->returnValue($collection));
+
+        $that = $this;
+
+        // defining the timeout before the actual method call
+        // allows to test for "greater than" values in the $criteria
+        $testTimeout = time() + 1;
+
+        $collection->expects($this->once())
+            ->method('findOne')
+            ->will($this->returnCallback(function ($criteria) use ($that, $testTimeout) {
+                $that->assertArrayHasKey($that->options['id_field'], $criteria);
+                $that->assertEquals($criteria[$that->options['id_field']], 'foo');
+
+                $that->assertArrayHasKey($that->options['expiry_field'], $criteria);
+                $that->assertArrayHasKey('$gte', $criteria[$that->options['expiry_field']]);
+
+                if (phpversion('mongodb')) {
+                    $that->assertInstanceOf('MongoDB\BSON\UTCDateTime', $criteria[$that->options['expiry_field']]['$gte']);
+                    $that->assertGreaterThanOrEqual(round(((int) $criteria[$that->options['expiry_field']]['$gte']) / 1000), $testTimeout);
+                } else {
+                    $that->assertInstanceOf('MongoDate', $criteria[$that->options['expiry_field']]['$gte']);
+                    $that->assertGreaterThanOrEqual($criteria[$that->options['expiry_field']]['$gte']->sec, $testTimeout);
+                }
+
+                $fields = array(
+                    $that->options['id_field'] => 'foo',
+                );
+
+                if (phpversion('mongodb')) {
+                    $fields[$that->options['data_field']] = new \MongoDB\BSON\Binary('bar', \MongoDB\BSON\Binary::TYPE_OLD_BINARY);
+                    $fields[$that->options['id_field']] = new \MongoDB\BSON\UTCDateTime(time() * 1000);
+                } else {
+                    $fields[$that->options['data_field']] = new \MongoBinData('bar', \MongoBinData::BYTE_ARRAY);
+                    $fields[$that->options['id_field']] = new \MongoDate();
+                }
+
+                return $fields;
+            }));
+
+        $this->assertEquals('bar', $this->storage->read('foo'));
+    }
+
+    public function testWrite()
+    {
+        $collection = $this->createMongoCollectionMock();
+
+        $this->mongo->expects($this->once())
+            ->method('selectCollection')
+            ->with($this->options['database'], $this->options['collection'])
+            ->will($this->returnValue($collection));
+
+        $that = $this;
+        $data = array();
+
+        $methodName = phpversion('mongodb') ? 'updateOne' : 'update';
+
+        $collection->expects($this->once())
+            ->method($methodName)
+            ->will($this->returnCallback(function ($criteria, $updateData, $options) use ($that, &$data) {
+                $that->assertEquals(array($that->options['id_field'] => 'foo'), $criteria);
+
+                if (phpversion('mongodb')) {
+                    $that->assertEquals(array('upsert' => true), $options);
+                } else {
+                    $that->assertEquals(array('upsert' => true, 'multiple' => false), $options);
+                }
+
+                $data = $updateData['$set'];
+            }));
+
+        $expectedExpiry = time() + (int) ini_get('session.gc_maxlifetime');
+        $this->assertTrue($this->storage->write('foo', 'bar'));
+
+        if (phpversion('mongodb')) {
+            $that->assertEquals('bar', $data[$that->options['data_field']]->getData());
+            $that->assertInstanceOf('MongoDB\BSON\UTCDateTime', $data[$that->options['time_field']]);
+            $that->assertInstanceOf('MongoDB\BSON\UTCDateTime', $data[$that->options['expiry_field']]);
+            $that->assertGreaterThanOrEqual($expectedExpiry, round(((int) $data[$that->options['expiry_field']]) / 1000));
+        } else {
+            $that->assertEquals('bar', $data[$that->options['data_field']]->bin);
+            $that->assertInstanceOf('MongoDate', $data[$that->options['time_field']]);
+            $that->assertInstanceOf('MongoDate', $data[$that->options['expiry_field']]);
+            $that->assertGreaterThanOrEqual($expectedExpiry, $data[$that->options['expiry_field']]->sec);
+        }
+    }
+
+    public function testWriteWhenUsingExpiresField()
+    {
+        $this->options = array(
+            'id_field' => '_id',
+            'data_field' => 'data',
+            'time_field' => 'time',
+            'database' => 'sf2-test',
+            'collection' => 'session-test',
+            'expiry_field' => 'expiresAt',
+        );
+
+        $this->storage = new MongoDbSessionHandler($this->mongo, $this->options);
+
+        $collection = $this->createMongoCollectionMock();
+
+        $this->mongo->expects($this->once())
+            ->method('selectCollection')
+            ->with($this->options['database'], $this->options['collection'])
+            ->will($this->returnValue($collection));
+
+        $that = $this;
+        $data = array();
+
+        $methodName = phpversion('mongodb') ? 'updateOne' : 'update';
+
+        $collection->expects($this->once())
+            ->method($methodName)
+            ->will($this->returnCallback(function ($criteria, $updateData, $options) use ($that, &$data) {
+                $that->assertEquals(array($that->options['id_field'] => 'foo'), $criteria);
+
+                if (phpversion('mongodb')) {
+                    $that->assertEquals(array('upsert' => true), $options);
+                } else {
+                    $that->assertEquals(array('upsert' => true, 'multiple' => false), $options);
+                }
+
+                $data = $updateData['$set'];
+            }));
+
+        $this->assertTrue($this->storage->write('foo', 'bar'));
+
+        if (phpversion('mongodb')) {
+            $that->assertEquals('bar', $data[$that->options['data_field']]->getData());
+            $that->assertInstanceOf('MongoDB\BSON\UTCDateTime', $data[$that->options['time_field']]);
+            $that->assertInstanceOf('MongoDB\BSON\UTCDateTime', $data[$that->options['expiry_field']]);
+        } else {
+            $that->assertEquals('bar', $data[$that->options['data_field']]->bin);
+            $that->assertInstanceOf('MongoDate', $data[$that->options['time_field']]);
+            $that->assertInstanceOf('MongoDate', $data[$that->options['expiry_field']]);
+        }
+    }
+
+    public function testReplaceSessionData()
+    {
+        $collection = $this->createMongoCollectionMock();
+
+        $this->mongo->expects($this->once())
+            ->method('selectCollection')
+            ->with($this->options['database'], $this->options['collection'])
+            ->will($this->returnValue($collection));
+
+        $data = array();
+
+        $methodName = phpversion('mongodb') ? 'updateOne' : 'update';
+
+        $collection->expects($this->exactly(2))
+            ->method($methodName)
+            ->will($this->returnCallback(function ($criteria, $updateData, $options) use (&$data) {
+                $data = $updateData;
+            }));
+
+        $this->storage->write('foo', 'bar');
+        $this->storage->write('foo', 'foobar');
+
+        if (phpversion('mongodb')) {
+            $this->assertEquals('foobar', $data['$set'][$this->options['data_field']]->getData());
+        } else {
+            $this->assertEquals('foobar', $data['$set'][$this->options['data_field']]->bin);
+        }
+    }
+
+    public function testDestroy()
+    {
+        $collection = $this->createMongoCollectionMock();
+
+        $this->mongo->expects($this->once())
+            ->method('selectCollection')
+            ->with($this->options['database'], $this->options['collection'])
+            ->will($this->returnValue($collection));
+
+        $methodName = phpversion('mongodb') ? 'deleteOne' : 'remove';
+
+        $collection->expects($this->once())
+            ->method($methodName)
+            ->with(array($this->options['id_field'] => 'foo'));
+
+        $this->assertTrue($this->storage->destroy('foo'));
+    }
+
+    public function testGc()
+    {
+        $collection = $this->createMongoCollectionMock();
+
+        $this->mongo->expects($this->once())
+            ->method('selectCollection')
+            ->with($this->options['database'], $this->options['collection'])
+            ->will($this->returnValue($collection));
+
+        $that = $this;
+
+        $methodName = phpversion('mongodb') ? 'deleteOne' : 'remove';
+
+        $collection->expects($this->once())
+            ->method($methodName)
+            ->will($this->returnCallback(function ($criteria) use ($that) {
+                if (phpversion('mongodb')) {
+                    $that->assertInstanceOf('MongoDB\BSON\UTCDateTime', $criteria[$that->options['expiry_field']]['$lt']);
+                    $that->assertGreaterThanOrEqual(time() - 1, round(((int) $criteria[$that->options['expiry_field']]['$lt']) / 1000));
+                } else {
+                    $that->assertInstanceOf('MongoDate', $criteria[$that->options['expiry_field']]['$lt']);
+                    $that->assertGreaterThanOrEqual(time() - 1, $criteria[$that->options['expiry_field']]['$lt']->sec);
+                }
+            }));
+
+        $this->assertTrue($this->storage->gc(1));
+    }
+
+    public function testGetConnection()
+    {
+        $method = new \ReflectionMethod($this->storage, 'getMongo');
+        $method->setAccessible(true);
+
+        if (phpversion('mongodb')) {
+            $mongoClass = 'MongoDB\Client';
+        } else {
+            $mongoClass = version_compare(phpversion('mongo'), '1.3.0', '<') ? 'Mongo' : 'MongoClient';
+        }
+
+        $this->assertInstanceOf($mongoClass, $method->invoke($this->storage));
+    }
+
+    private function createMongoCollectionMock()
+    {
+        $collectionClass = 'MongoCollection';
+        if (phpversion('mongodb')) {
+            $collectionClass = 'MongoDB\Collection';
+        }
+
+        $collection = $this->getMockBuilder($collectionClass)
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        return $collection;
+    }
+}