<?php

namespace PSX\Http\Tests\Server;

use PSX\Http\Response;
use PSX\Http\Server\Sender;
use PSX\Http\Stream\Stream;
use PSX\Http\Stream\StringStream;

/**
 * SenderTest
 *
 * @author  Christoph Kappestein <christoph.kappestein@gmail.com>
 * @license http://www.apache.org/licenses/LICENSE-2.0
 * @link    http://phpsx.org
 */
class SenderTest extends SenderTestCase
{
    public function testSend()
    {
        $response = new Response();
        $response->setBody(new StringStream('foobar'));

        $sender = new Sender();
        $actual = $this->captureOutput($sender, $response);

        $this->assertEquals('foobar', $actual);
    }

    public function testSendHeaders()
    {
        $response = new Response();
        $response->setHeader('Content-Type', 'application/xml');
        $response->setHeader('X-Some-Header', 'foobar');
        $response->setBody(new StringStream('<foo />'));

        $sender = $this->getMockBuilder(Sender::class)
            ->setMethods(array('shouldSendHeader', 'sendHeader'))
            ->getMock();

        $sender->expects($this->once())
            ->method('shouldSendHeader')
            ->will($this->returnValue(true));

        $sender->expects($this->at(1))
            ->method('sendHeader')
            ->with($this->identicalTo('HTTP/1.1 200 OK'));

        $sender->expects($this->at(2))
            ->method('sendHeader')
            ->with($this->identicalTo('content-type: application/xml'));

        $sender->expects($this->at(3))
            ->method('sendHeader')
            ->with($this->identicalTo('x-some-header: foobar'));

        $actual = $this->captureOutput($sender, $response);

        $this->assertEquals('<foo />', $actual);
    }

    /**
     * If we have an location header we only send the location header and no
     * other content
     */
    public function testSendHeaderLocation()
    {
        $response = new Response();
        $response->setHeader('Content-Type', 'application/xml');
        $response->setHeader('Location', 'http://localhost.com');
        $response->setBody(new StringStream('<foo />'));

        $sender = $this->getMockBuilder(Sender::class)
            ->setMethods(array('shouldSendHeader', 'sendHeader'))
            ->getMock();

        $sender->expects($this->once())
            ->method('shouldSendHeader')
            ->will($this->returnValue(true));

        $sender->expects($this->at(1))
            ->method('sendHeader')
            ->with($this->identicalTo('HTTP/1.1 200 OK'));

        $sender->expects($this->at(2))
            ->method('sendHeader')
            ->with($this->identicalTo('content-type: application/xml'));

        $sender->expects($this->at(3))
            ->method('sendHeader')
            ->with($this->identicalTo('location: http://localhost.com'));

        $actual = $this->captureOutput($sender, $response);

        $this->assertEquals('', $actual);
    }

    public function testSendBody()
    {
        $response = new Response();
        $response->setBody(new StringStream('foobarfoobarfoobarfoobar'));

        $sender = $this->getMockBuilder(Sender::class)
            ->setMethods(array('shouldSendHeader', 'sendHeader'))
            ->getMock();

        $sender->expects($this->once())
            ->method('shouldSendHeader')
            ->will($this->returnValue(true));

        $actual = $this->captureOutput($sender, $response);

        $this->assertEquals('foobarfoobarfoobarfoobar', $actual);
    }

    public function testSendBodyCopy()
    {
        $fp = fopen('php://temp', 'r+');
        fwrite($fp, 'foobarfoobarfoobarfoobar');

        $response = new Response();
        $response->setBody(new Stream($fp));

        $sender = $this->getMockBuilder(Sender::class)
            ->setMethods(array('shouldSendHeader', 'sendHeader'))
            ->getMock();

        $sender->expects($this->once())
            ->method('shouldSendHeader')
            ->will($this->returnValue(true));

        $actual = $this->captureOutput($sender, $response);

        $this->assertEquals('foobarfoobarfoobarfoobar', $actual);
    }

    public function testEmpyBodyStatusCode()
    {
        $emptyCodes = array(100, 101, 204, 304);

        foreach ($emptyCodes as $statusCode) {
            $response = new Response($statusCode);
            $response->setBody(new StringStream('foobar'));

            $sender = $this->getMockBuilder(Sender::class)
                ->setMethods(array('shouldSendHeader', 'sendHeader'))
                ->getMock();

            $sender->expects($this->once())
                ->method('shouldSendHeader')
                ->will($this->returnValue(true));

            $actual = $this->captureOutput($sender, $response);

            $this->assertEmpty($actual);
        }
    }

    public function testSendStatusCode()
    {
        $response = new Response(404);
        $response->setBody(new StringStream('foobar'));

        $sender = $this->getMockBuilder(Sender::class)
            ->setMethods(array('shouldSendHeader', 'sendHeader'))
            ->getMock();

        $sender->expects($this->once())
            ->method('shouldSendHeader')
            ->will($this->returnValue(true));

        $sender->expects($this->at(1))
            ->method('sendHeader')
            ->with($this->identicalTo('HTTP/1.1 404 Not Found'));

        $actual = $this->captureOutput($sender, $response);

        $this->assertEquals('foobar', $actual);
    }
}
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