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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;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\StreamedResponse;

class StreamedResponseTest extends \PHPUnit_Framework_TestCase
{
    public function testConstructor()
    {
        $response = new StreamedResponse(function () { echo 'foo'; }, 404, array('Content-Type' => 'text/plain'));

$this->assertEquals(404, $response->getStatusCode());
        $this->assertEquals('text/plain', $response->headers->get('Content-Type'));
    }

public function testPrepareWith11Protocol()
    {
        $response = new StreamedResponse(function () { echo 'foo'; });
        $request = Request::create('/');
        $request->server->set('SERVER_PROTOCOL', 'HTTP/1.1');

$response->prepare($request);

$this->assertEquals('1.1', $response->getProtocolVersion());
        $this->assertNotEquals('chunked', $response->headers->get('Transfer-Encoding'), 'Apache assumes responses with a Transfer-Encoding header set to chunked to already be encoded.');
        $this->assertEquals('no-cache, private', $response->headers->get('Cache-Control'));
    }

public function testPrepareWith10Protocol()
    {
        $response = new StreamedResponse(function () { echo 'foo'; });
        $request = Request::create('/');
        $request->server->set('SERVER_PROTOCOL', 'HTTP/1.0');

$response->prepare($request);

$this->assertEquals('1.0', $response->getProtocolVersion());
        $this->assertNull($response->headers->get('Transfer-Encoding'));
        $this->assertEquals('no-cache, private', $response->headers->get('Cache-Control'));
    }

public function testPrepareWithHeadRequest()
    {
        $response = new StreamedResponse(function () { echo 'foo'; });
        $request = Request::create('/', 'HEAD');

$response->prepare($request);
    }

public function testSendContent()
    {
        $called = 0;

$response = new StreamedResponse(function () use (&$called) { ++$called; });

$response->sendContent();
        $this->assertEquals(1, $called);

$response->sendContent();
        $this->assertEquals(1, $called);
    }

/**
     * @expectedException \LogicException
     */
    public function testSendContentWithNonCallable()
    {
        $response = new StreamedResponse(null);
        $response->sendContent();
    }

/**
     * @expectedException \LogicException
     */
    public function testSetCallbackNonCallable()
    {
        $response = new StreamedResponse(null);
        $response->setCallback(null);
    }

/**
     * @expectedException \LogicException
     */
    public function testSetContent()
    {
        $response = new StreamedResponse(function () { echo 'foo'; });
        $response->setContent('foo');
    }

public function testGetContent()
    {
        $response = new StreamedResponse(function () { echo 'foo'; });
        $this->assertFalse($response->getContent());
    }

public function testCreate()
    {
        $response = StreamedResponse::create(function () {}, 204);

$this->assertInstanceOf('Symfony\Component\HttpFoundation\StreamedResponse', $response);
        $this->assertEquals(204, $response->getStatusCode());
    }
}

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