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<?php

namespace GuzzleTestsServiceCommand;

use GuzzleServiceCommandDefaultRequestSerializer;
use GuzzleHttpMessageEntityEnclosingRequest;
use GuzzleServiceClient;
use GuzzleServiceDescriptionServiceDescription;
use GuzzleServiceDescriptionOperation;
use GuzzleServiceDescriptionParameter;
use GuzzleServiceCommandLocationVisitorRequestHeaderVisitor;
use GuzzleServiceCommandLocationVisitorVisitorFlyweight;

/**
 * @covers GuzzleServiceCommandDefaultRequestSerializer
 */
class DefaultRequestSerializerTest extends GuzzleTestsGuzzleTestCase
{
    /** @var EntityEnclosingRequest */
    protected $request;

    /** @var GuzzleServiceCommandAbstractCommand */
    protected $command;

    /** @var Client */
    protected $client;

    /** @var DefaultRequestSerializer */
    protected $serializer;

    /** @var Operation */
    protected $operation;

    public function setUp()
    {
        $this->serializer = DefaultRequestSerializer::getInstance();
        $this->client = new Client('http://foo.com/baz');
        $this->operation = new Operation(array('httpMethod' => 'POST'));
        $this->command = $this->getMockBuilder('GuzzleServiceCommandAbstractCommand')
            ->setConstructorArgs(array(array(), $this->operation))
            ->getMockForAbstractClass();
        $this->command->setClient($this->client);
    }

    public function testAllowsCustomVisitor()
    {
        $this->serializer->addVisitor('custom', new HeaderVisitor());
        $this->command['test'] = '123';
        $this->operation->addParam(new Parameter(array('name' => 'test', 'location' => 'custom')));
        $request = $this->serializer->prepare($this->command);
        $this->assertEquals('123', (string) $request->getHeader('test'));
    }

    public function testUsesRelativePath()
    {
        $this->operation->setUri('bar');
        $request = $this->serializer->prepare($this->command);
        $this->assertEquals('http://foo.com/baz/bar', (string) $request->getUrl());
    }

    public function testUsesRelativePathWithUriLocations()
    {
        $this->command['test'] = '123';
        $this->operation->setUri('bar/{test}');
        $this->operation->addParam(new Parameter(array('name' => 'test', 'location' => 'uri')));
        $request = $this->serializer->prepare($this->command);
        $this->assertEquals('http://foo.com/baz/bar/123', (string) $request->getUrl());
    }

    public function testAllowsCustomFactory()
    {
        $f = new VisitorFlyweight();
        $serializer = new DefaultRequestSerializer($f);
        $this->assertSame($f, $this->readAttribute($serializer, 'factory'));
    }

    public function testMixedParams()
    {
        $this->operation->setUri('bar{?limit,fields}');
        $this->operation->addParam(new Parameter(array(
            'name' => 'limit',
            'location' => 'uri',
            'required' => false,
        )));
        $this->operation->addParam(new Parameter(array(
            'name' => 'fields',
            'location' => 'uri',
            'required' => true,
        )));

        $this->command['fields'] = array('id', 'name');

        $request = $this->serializer->prepare($this->command);
        $this->assertEquals('http://foo.com/baz/bar?fields='.urlencode('id,name'), (string) $request->getUrl());
    }

    public function testValidatesAdditionalParameters()
    {
        $description = ServiceDescription::factory(array(
            'operations' => array(
                'foo' => array(
                    'httpMethod' => 'PUT',
                    'parameters' => array(
                        'bar' => array('location' => 'header')
                    ),
                    'additionalParameters' => array(
                        'location' => 'json'
                    )
                )
            )
        ));

        $client = new Client();
        $client->setDescription($description);
        $command = $client->getCommand('foo');
        $command['bar'] = 'test';
        $command['hello'] = 'abc';
        $request = $command->prepare();
        $this->assertEquals('test', (string) $request->getHeader('bar'));
        $this->assertEquals('{"hello":"abc"}', (string) $request->getBody());
    }
}