RequestTest.php

<?php
/**
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link          http://cakephp.org CakePHP(tm) Project
 * @since         2.0.0
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */
namespace Cake\Test\TestCase\Network;

use Cake\Core\Configure;
use Cake\Network\Exception;
use Cake\Network\Request;
use Cake\Network\Session;
use Cake\TestSuite\TestCase;

/**
 * Class TestRequest
 *
 */
class RequestTest extends TestCase
{

    /**
     * Setup callback
     *
     * @return void
     */
    public function setUp()
    {
        parent::setUp();
        $this->_case = null;
        if (isset($_GET['case'])) {
            $this->_case = $_GET['case'];
            unset($_GET['case']);
        }

        Configure::write('App.baseUrl', false);
    }

    /**
     * TearDown
     *
     * @return void
     */
    public function tearDown()
    {
        parent::tearDown();
        if (!empty($this->_case)) {
            $_GET['case'] = $this->_case;
        }
    }

    /**
     * Test the header detector.
     *
     * @return void
     */
    public function testHeaderDetector()
    {
        $request = new Request();
        $request->addDetector('host', ['header' => ['host' => 'cakephp.org']]);

        $request->env('HTTP_HOST', 'cakephp.org');
        $this->assertTrue($request->is('host'));

        $request->env('HTTP_HOST', 'php.net');
        $this->assertFalse($request->is('host'));
    }

    /**
     * Test the accept header detector.
     *
     * @return void
     */
    public function testExtensionDetector()
    {
        $request = new Request();
        $request->params['_ext'] = 'json';
        $this->assertTrue($request->is('json'));

        $request = new Request();
        $request->params['_ext'] = 'xml';
        $this->assertFalse($request->is('json'));
    }

    /**
     * Test the accept header detector.
     *
     * @return void
     */
    public function testAcceptHeaderDetector()
    {
        $request = new Request();
        $request->env('HTTP_ACCEPT', 'application/json, text/plain, */*');
        $this->assertTrue($request->is('json'));

        $request = new Request();
        $request->env('HTTP_ACCEPT', 'text/plain, */*');
        $this->assertFalse($request->is('json'));
    }

    /**
     * Test that the autoparse = false constructor works.
     *
     * @return void
     */
    public function testNoAutoParseConstruction()
    {
        $_GET = [
            'one' => 'param'
        ];
        $request = new Request();
        $this->assertFalse(isset($request->query['one']));
    }

    /**
     * Test construction
     *
     * @return void
     */
    public function testConstructionQueryData()
    {
        $data = [
            'query' => [
                'one' => 'param',
                'two' => 'banana'
            ],
            'url' => 'some/path'
        ];
        $request = new Request($data);
        $this->assertEquals($request->query, $data['query']);
        $this->assertEquals('some/path', $request->url);
    }

    /**
     * Test that querystring args provided in the URL string are parsed.
     *
     * @return void
     */
    public function testQueryStringParsingFromInputUrl()
    {
        $_GET = [];
        $request = new Request(['url' => 'some/path?one=something&two=else']);
        $expected = ['one' => 'something', 'two' => 'else'];
        $this->assertEquals($expected, $request->query);
        $this->assertEquals('some/path?one=something&two=else', $request->url);
    }

    /**
     * Test that named arguments + querystrings are handled correctly.
     *
     * @return void
     */
    public function testQueryStringAndNamedParams()
    {
        $_SERVER['REQUEST_URI'] = '/tasks/index?ts=123456';
        $request = Request::createFromGlobals();
        $this->assertEquals('tasks/index', $request->url);

        $_SERVER['REQUEST_URI'] = '/tasks/index/?ts=123456';
        $request = Request::createFromGlobals();
        $this->assertEquals('tasks/index/', $request->url);

        $_SERVER['REQUEST_URI'] = '/some/path?url=http://cakephp.org';
        $request = Request::createFromGlobals();
        $this->assertEquals('some/path', $request->url);

        $_SERVER['REQUEST_URI'] = Configure::read('App.fullBaseUrl') . '/other/path?url=http://cakephp.org';
        $request = Request::createFromGlobals();
        $this->assertEquals('other/path', $request->url);
    }

    /**
     * Test that URL in path is handled correctly.
     */
    public function testUrlInPath()
    {
        $_SERVER['REQUEST_URI'] = '/jump/http://cakephp.org';
        $request = Request::createFromGlobals();
        $this->assertEquals('jump/http://cakephp.org', $request->url);

        $_SERVER['REQUEST_URI'] = Configure::read('App.fullBaseUrl') . '/jump/http://cakephp.org';
        $request = Request::createFromGlobals();
        $this->assertEquals('jump/http://cakephp.org', $request->url);
    }

    /**
     * Test addParams() method
     *
     * @return void
     */
    public function testAddParams()
    {
        $request = new Request();
        $request->params = ['controller' => 'posts', 'action' => 'view'];
        $result = $request->addParams(['plugin' => null, 'action' => 'index']);

        $this->assertSame($result, $request, 'Method did not return itself. %s');

        $this->assertEquals('posts', $request->controller);
        $this->assertEquals('index', $request->action);
        $this->assertEquals(null, $request->plugin);
    }

    /**
     * Test splicing in paths.
     *
     * @return void
     */
    public function testAddPaths()
    {
        $request = new Request();
        $request->webroot = '/some/path/going/here/';
        $result = $request->addPaths([
            'random' => '/something', 'webroot' => '/', 'here' => '/', 'base' => '/base_dir'
        ]);

        $this->assertSame($result, $request, 'Method did not return itself. %s');

        $this->assertEquals('/', $request->webroot);
        $this->assertEquals('/base_dir', $request->base);
        $this->assertEquals('/', $request->here);
        $this->assertFalse(isset($request->random));
    }

    /**
     * Test parsing POST data into the object.
     *
     * @return void
     */
    public function testPostParsing()
    {
        $post = [
            'Article' => ['title']
        ];
        $request = new Request(compact('post'));
        $this->assertEquals($post, $request->data);

        $post = ['one' => 1, 'two' => 'three'];
        $request = new Request(compact('post'));
        $this->assertEquals($post, $request->data);

        $post = [
            'Article' => ['title' => 'Testing'],
            'action' => 'update'
        ];
        $request = new Request(compact('post'));
        $this->assertEquals($post, $request->data);
    }

    /**
     * Test parsing PUT data into the object.
     *
     * @return void
     */
    public function testPutParsing()
    {
        $data = [
            'Article' => ['title']
        ];
        $request = new Request([
            'input' => 'Article[]=title',
            'environment' => [
                'REQUEST_METHOD' => 'PUT',
                'CONTENT_TYPE' => 'application/x-www-form-urlencoded; charset=UTF-8'
            ]
        ]);
        $this->assertEquals($data, $request->data);

        $data = ['one' => 1, 'two' => 'three'];
        $request = new Request([
            'input' => 'one=1&two=three',
            'environment' => [
                'REQUEST_METHOD' => 'PUT',
                'CONTENT_TYPE' => 'application/x-www-form-urlencoded; charset=UTF-8'
            ]
        ]);
        $this->assertEquals($data, $request->data);

        $request = new Request([
            'input' => 'Article[title]=Testing&action=update',
            'environment' => [
                'REQUEST_METHOD' => 'DELETE',
                'CONTENT_TYPE' => 'application/x-www-form-urlencoded; charset=UTF-8'
            ]
        ]);
        $expected = [
            'Article' => ['title' => 'Testing'],
            'action' => 'update'
        ];
        $this->assertEquals($expected, $request->data);

        $data = [
            'Article' => ['title'],
            'Tag' => ['Tag' => [1, 2]]
        ];
        $request = new Request([
            'input' => 'Article[]=title&Tag[Tag][]=1&Tag[Tag][]=2',
            'environment' => [
                'REQUEST_METHOD' => 'PATCH',
                'CONTENT_TYPE' => 'application/x-www-form-urlencoded; charset=UTF-8'
            ]
        ]);
        $this->assertEquals($data, $request->data);
    }

    /**
     * Test parsing json PUT data into the object.
     *
     * @return void
     */
    public function testPutParsingJSON()
    {
        $data = '{"Article":["title"]}';
        $request = new Request([
            'input' => $data,
            'environment' => [
                'REQUEST_METHOD' => 'PUT',
                'CONTENT_TYPE' => 'application/json'
            ]
        ]);
        $this->assertEquals([], $request->data);
        $result = $request->input('json_decode', true);
        $this->assertEquals(['title'], $result['Article']);
    }

    /**
     * Test processing files with `file` field names.
     *
     * @return void
     */
    public function testProcessFilesNested()
    {
        $files = [
            'image_main' => [
                'name' => ['file' => 'born on.txt'],
                'type' => ['file' => 'text/plain'],
                'tmp_name' => ['file' => '/private/var/tmp/php'],
                'error' => ['file' => 0],
                'size' => ['file' => 17178]
            ],
            0 => [
                'name' => ['image' => 'scratch.text'],
                'type' => ['image' => 'text/plain'],
                'tmp_name' => ['image' => '/private/var/tmp/phpChIZPb'],
                'error' => ['image' => 0],
                'size' => ['image' => 1490]
            ],
            'pictures' => [
                'name' => [
                    0 => ['file' => 'a-file.png'],
                    1 => ['file' => 'a-moose.png']
                ],
                'type' => [
                    0 => ['file' => 'image/png'],
                    1 => ['file' => 'image/jpg']
                ],
                'tmp_name' => [
                    0 => ['file' => '/tmp/file123'],
                    1 => ['file' => '/tmp/file234']
                ],
                'error' => [
                    0 => ['file' => '0'],
                    1 => ['file' => '0']
                ],
                'size' => [
                    0 => ['file' => 17188],
                    1 => ['file' => 2010]
                ],
            ]
        ];
        $post = [
            'pictures' => [
                0 => ['name' => 'A cat'],
                1 => ['name' => 'A moose']
            ],
            0 => [
                'name' => 'A dog'
            ]
        ];
        $request = new Request(compact('files', 'post'));
        $expected = [
            'image_main' => [
                'file' => [
                    'name' => 'born on.txt',
                    'type' => 'text/plain',
                    'tmp_name' => '/private/var/tmp/php',
                    'error' => 0,
                    'size' => 17178,
                ]
            ],
            'pictures' => [
                0 => [
                    'name' => 'A cat',
                    'file' => [
                        'name' => 'a-file.png',
                        'type' => 'image/png',
                        'tmp_name' => '/tmp/file123',
                        'error' => '0',
                        'size' => 17188,
                    ]
                ],
                1 => [
                    'name' => 'A moose',
                    'file' => [
                        'name' => 'a-moose.png',
                        'type' => 'image/jpg',
                        'tmp_name' => '/tmp/file234',
                        'error' => '0',
                        'size' => 2010,
                    ]
                ]
            ],
            0 => [
                'name' => 'A dog',
                'image' => [
                    'name' => 'scratch.text',
                    'type' => 'text/plain',
                    'tmp_name' => '/private/var/tmp/phpChIZPb',
                    'error' => 0,
                    'size' => 1490
                ]
            ]
        ];
        $this->assertEquals($expected, $request->data);
    }

    /**
     * Test processing a file input with no .'s in it.
     *
     * @return void
     */
    public function testProcessFilesFlat()
    {
        $files = [
            'birth_cert' => [
                'name' => 'born on.txt',
                'type' => 'application/octet-stream',
                'tmp_name' => '/private/var/tmp/phpbsUWfH',
                'error' => 0,
                'size' => 123,
            ]
        ];

        $request = new Request(compact('files'));
        $expected = [
            'birth_cert' => [
                'name' => 'born on.txt',
                'type' => 'application/octet-stream',
                'tmp_name' => '/private/var/tmp/phpbsUWfH',
                'error' => 0,
                'size' => 123
            ]
        ];
        $this->assertEquals($expected, $request->data);
    }

    /**
     * Test that files in the 0th index work.
     *
     * @return void
     */
    public function testFilesZeroithIndex()
    {
        $files = [
            0 => [
                'name' => 'cake_sqlserver_patch.patch',
                'type' => 'text/plain',
                'tmp_name' => '/private/var/tmp/phpy05Ywj',
                'error' => 0,
                'size' => 6271,
            ],
        ];

        $request = new Request([
            'files' => $files
        ]);
        $this->assertEquals($files, $request->data);
    }

    /**
     * Test method overrides coming in from POST data.
     *
     * @return void
     */
    public function testMethodOverrides()
    {
        $post = ['_method' => 'POST'];
        $request = new Request(compact('post'));
        $this->assertEquals('POST', $request->env('REQUEST_METHOD'));

        $post = ['_method' => 'DELETE'];
        $request = new Request(compact('post'));
        $this->assertEquals('DELETE', $request->env('REQUEST_METHOD'));

        $request = new Request(['environment' => ['HTTP_X_HTTP_METHOD_OVERRIDE' => 'PUT']]);
        $this->assertEquals('PUT', $request->env('REQUEST_METHOD'));

        $request = new Request([
            'environment' => ['REQUEST_METHOD' => 'POST'],
            'post' => ['_method' => 'PUT']
        ]);
        $this->assertEquals('PUT', $request->env('REQUEST_METHOD'));
        $this->assertEquals('POST', $request->env('ORIGINAL_REQUEST_METHOD'));
    }

    /**
     * Tests the env() method returning a default value in case the requested environment variable is not set.
     */
    public function testDefaultEnvValue()
    {
        $_ENV['DOES_NOT_EXIST'] = null;
        $request = new Request();
        $this->assertNull($request->env('DOES_NOT_EXIST'));
        $this->assertEquals('default', $request->env('DOES_NOT_EXIST', null, 'default'));

        $_ENV['DOES_EXIST'] = 'some value';
        $request = new Request();
        $this->assertEquals('some value', $request->env('DOES_EXIST'));
        $this->assertEquals('some value', $request->env('DOES_EXIST', null, 'default'));

        $_ENV['EMPTY_VALUE'] = '';
        $request = new Request();
        $this->assertEquals('', $request->env('EMPTY_VALUE'));
        $this->assertEquals('', $request->env('EMPTY_VALUE', null, 'default'));

        $_ENV['ZERO'] = '0';
        $request = new Request();
        $this->assertEquals('0', $request->env('ZERO'));
        $this->assertEquals('0', $request->env('ZERO', null, 'default'));
    }

    /**
     * Test the clientIp method.
     *
     * @return void
     */
    public function testClientIp()
    {
        $request = new Request(['environment' => [
            'HTTP_X_FORWARDED_FOR' => '192.168.1.5, 10.0.1.1, proxy.com',
            'HTTP_CLIENT_IP' => '192.168.1.2',
            'REMOTE_ADDR' => '192.168.1.3'
        ]]);

        $request->trustProxy = true;
        $this->assertEquals('192.168.1.5', $request->clientIp());

        $request->env('HTTP_X_FORWARDED_FOR', '');
        $this->assertEquals('192.168.1.2', $request->clientIp());

        $request->trustProxy = false;
        $this->assertEquals('192.168.1.3', $request->clientIp());

        $request->env('HTTP_X_FORWARDED_FOR', '');
        $this->assertEquals('192.168.1.3', $request->clientIp());

        $request->env('HTTP_CLIENT_IP', '');
        $this->assertEquals('192.168.1.3', $request->clientIp());
    }

    /**
     * Test the referrer function.
     *
     * @return void
     */
    public function testReferer()
    {
        $request = new Request();
        $request->webroot = '/';

        $request->env('HTTP_REFERER', 'http://cakephp.org');
        $result = $request->referer();
        $this->assertSame('http://cakephp.org', $result);

        $request->env('HTTP_REFERER', '');
        $result = $request->referer();
        $this->assertSame('/', $result);

        $request->env('HTTP_REFERER', Configure::read('App.fullBaseUrl') . '/some/path');
        $result = $request->referer(true);
        $this->assertSame('/some/path', $result);

        $request->env('HTTP_REFERER', Configure::read('App.fullBaseUrl') . '/0');
        $result = $request->referer(true);
        $this->assertSame('/0', $result);

        $request->env('HTTP_REFERER', Configure::read('App.fullBaseUrl') . '/');
        $result = $request->referer(true);
        $this->assertSame('/', $result);

        $request->env('HTTP_REFERER', Configure::read('App.fullBaseUrl') . '/some/path');
        $result = $request->referer(false);
        $this->assertSame(Configure::read('App.fullBaseUrl') . '/some/path', $result);
    }

    /**
     * Test referer() with a base path that duplicates the
     * first segment.
     *
     * @return void
     */
    public function testRefererBasePath()
    {
        $request = new Request('some/path');
        $request->url = 'users/login';
        $request->webroot = '/waves/';
        $request->base = '/waves';
        $request->here = '/waves/users/login';

        $request->env('HTTP_REFERER', Configure::read('App.fullBaseUrl') . '/waves/waves/add');

        $result = $request->referer(true);
        $this->assertSame('/waves/add', $result);
    }

    /**
     * test the simple uses of is()
     *
     * @return void
     */
    public function testIsHttpMethods()
    {
        $request = new Request();

        $this->assertFalse($request->is('undefined-behavior'));

        $request->env('REQUEST_METHOD', 'GET');
        $this->assertTrue($request->is('get'));

        $request->env('REQUEST_METHOD', 'POST');
        $this->assertTrue($request->is('POST'));

        $request->env('REQUEST_METHOD', 'PUT');
        $this->assertTrue($request->is('put'));
        $this->assertFalse($request->is('get'));

        $request->env('REQUEST_METHOD', 'DELETE');
        $this->assertTrue($request->is('delete'));
        $this->assertTrue($request->isDelete());

        $request->env('REQUEST_METHOD', 'delete');
        $this->assertFalse($request->is('delete'));
    }

    /**
     * Test is() with json and xml.
     *
     * @return void
     */
    public function testIsJsonAndXml()
    {
        $request = new Request();
        $request->env('HTTP_ACCEPT', 'application/json, text/plain, */*');
        $this->assertTrue($request->is('json'));

        $request = new Request();
        $request->env('HTTP_ACCEPT', 'application/xml, text/plain, */*');
        $this->assertTrue($request->is('xml'));

        $request = new Request();
        $request->env('HTTP_ACCEPT', 'text/xml, */*');
        $this->assertTrue($request->is('xml'));
    }

    /**
     * Test is() with multiple types.
     *
     * @return void
     */
    public function testIsMultiple()
    {
        $request = new Request();

        $request->env('REQUEST_METHOD', 'GET');
        $this->assertTrue($request->is(['get', 'post']));

        $request->env('REQUEST_METHOD', 'POST');
        $this->assertTrue($request->is(['get', 'post']));

        $request->env('REQUEST_METHOD', 'PUT');
        $this->assertFalse($request->is(['get', 'post']));
    }

    /**
     * Test isAll()
     *
     * @return void
     */
    public function testIsAll()
    {
        $request = new Request();

        $request->env('HTTP_X_REQUESTED_WITH', 'XMLHttpRequest');
        $request->env('REQUEST_METHOD', 'GET');

        $this->assertTrue($request->isAll(['ajax', 'get']));
        $this->assertFalse($request->isAll(['post', 'get']));
        $this->assertFalse($request->isAll(['ajax', 'post']));
    }

    /**
     * Test the method() method.
     *
     * @return void
     */
    public function testMethod()
    {
        $request = new Request(['environment' => ['REQUEST_METHOD' => 'delete']]);

        $this->assertEquals('delete', $request->method());
    }

    /**
     * Test host retrieval.
     *
     * @return void
     */
    public function testHost()
    {
        $request = new Request(['environment' => [
            'HTTP_HOST' => 'localhost',
            'HTTP_X_FORWARDED_HOST' => 'cakephp.org',
        ]]);
        $this->assertEquals('localhost', $request->host());

        $request->trustProxy = true;
        $this->assertEquals('cakephp.org', $request->host());
    }

    /**
     * test port retrieval.
     *
     * @return void
     */
    public function testPort()
    {
        $request = new Request(['environment' => ['SERVER_PORT' => '80']]);

        $this->assertEquals('80', $request->port());

        $request->env('SERVER_PORT', '443');
        $request->env('HTTP_X_FORWARDED_PORT', '80');
        $this->assertEquals('443', $request->port());

        $request->trustProxy = true;
        $this->assertEquals('80', $request->port());
    }

    /**
     * test domain retrieval.
     *
     * @return void
     */
    public function testDomain()
    {
        $request = new Request(['environment' => ['HTTP_HOST' => 'something.example.com']]);

        $this->assertEquals('example.com', $request->domain());

        $request->env('HTTP_HOST', 'something.example.co.uk');
        $this->assertEquals('example.co.uk', $request->domain(2));
    }

    /**
     * Test scheme() method.
     *
     * @return void
     */
    public function testScheme()
    {
        $request = new Request(['environment' => ['HTTPS' => 'on']]);

        $this->assertEquals('https', $request->scheme());

        $request->env('HTTPS', '');
        $this->assertEquals('http', $request->scheme());

        $request->env('HTTP_X_FORWARDED_PROTO', 'https');
        $request->trustProxy = true;
        $this->assertEquals('https', $request->scheme());
    }

    /**
     * test getting subdomains for a host.
     *
     * @return void
     */
    public function testSubdomain()
    {
        $request = new Request(['environment' => ['HTTP_HOST' => 'something.example.com']]);

        $this->assertEquals(['something'], $request->subdomains());

        $request->env('HTTP_HOST', 'www.something.example.com');
        $this->assertEquals(['www', 'something'], $request->subdomains());

        $request->env('HTTP_HOST', 'www.something.example.co.uk');
        $this->assertEquals(['www', 'something'], $request->subdomains(2));

        $request->env('HTTP_HOST', 'example.co.uk');
        $this->assertEquals([], $request->subdomains(2));
    }

    /**
     * Test ajax, flash and friends
     *
     * @return void
     */
    public function testisAjaxFlashAndFriends()
    {
        $request = new Request();

        $request->env('HTTP_USER_AGENT', 'Shockwave Flash');
        $this->assertTrue($request->is('flash'));

        $request->env('HTTP_USER_AGENT', 'Adobe Flash');
        $this->assertTrue($request->is('flash'));

        $request->env('HTTP_X_REQUESTED_WITH', 'XMLHttpRequest');
        $this->assertTrue($request->is('ajax'));

        $request->env('HTTP_X_REQUESTED_WITH', 'XMLHTTPREQUEST');
        $this->assertFalse($request->is('ajax'));
        $this->assertFalse($request->isAjax());
    }

    /**
     * Test __call exceptions
     *
     * @expectedException \BadMethodCallException
     * @return void
     */
    public function testMagicCallExceptionOnUnknownMethod()
    {
        $request = new Request();
        $request->IamABanana();
    }

    /**
     * Test is(ssl)
     *
     * @return void
     */
    public function testIsSsl()
    {
        $request = new Request();

        $request->env('HTTPS', 1);
        $this->assertTrue($request->is('ssl'));

        $request->env('HTTPS', 'on');
        $this->assertTrue($request->is('ssl'));

        $request->env('HTTPS', '1');
        $this->assertTrue($request->is('ssl'));

        $request->env('HTTPS', 'I am not empty');
        $this->assertFalse($request->is('ssl'));

        $request->env('HTTPS', 'off');
        $this->assertFalse($request->is('ssl'));

        $request->env('HTTPS', false);
        $this->assertFalse($request->is('ssl'));

        $request->env('HTTPS', '');
        $this->assertFalse($request->is('ssl'));
    }

    /**
     * Test getting request params with object properties.
     *
     * @return void
     */
    public function testMagicget()
    {
        $request = new Request();
        $request->params = ['controller' => 'posts', 'action' => 'view', 'plugin' => 'blogs'];

        $this->assertEquals('posts', $request->controller);
        $this->assertEquals('view', $request->action);
        $this->assertEquals('blogs', $request->plugin);
        $this->assertNull($request->banana);
    }

    /**
     * Test isset()/empty() with overloaded properties.
     *
     * @return void
     */
    public function testMagicisset()
    {
        $request = new Request();
        $request->params = [
            'controller' => 'posts',
            'action' => 'view',
            'plugin' => 'blogs',
        ];

        $this->assertTrue(isset($request->controller));
        $this->assertFalse(isset($request->notthere));
        $this->assertFalse(empty($request->controller));
    }

    /**
     * Test the array access implementation
     *
     * @return void
     */
    public function testArrayAccess()
    {
        $request = new Request();
        $request->params = ['controller' => 'posts', 'action' => 'view', 'plugin' => 'blogs'];

        $this->assertEquals('posts', $request['controller']);

        $request['slug'] = 'speedy-slug';
        $this->assertEquals('speedy-slug', $request->slug);
        $this->assertEquals('speedy-slug', $request['slug']);

        $this->assertTrue(isset($request['action']));
        $this->assertFalse(isset($request['wrong-param']));

        $this->assertTrue(isset($request['plugin']));
        unset($request['plugin']);
        $this->assertFalse(isset($request['plugin']));
        $this->assertNull($request['plugin']);
        $this->assertNull($request->plugin);

        $request = new Request(['url' => 'some/path?one=something&two=else']);
        $this->assertTrue(isset($request['url']['one']));

        $request->data = ['Post' => ['title' => 'something']];
        $this->assertEquals('something', $request['data']['Post']['title']);
    }

    /**
     * Test adding detectors and having them work.
     *
     * @return void
     */
    public function testAddDetector()
    {
        $request = new Request();

        Request::addDetector('closure', function ($request) {
            return true;
        });
        $this->assertTrue($request->is('closure'));

        Request::addDetector('get', function ($request) {
            return $request->env('REQUEST_METHOD') === 'GET';
        });
        $request->env('REQUEST_METHOD', 'GET');
        $this->assertTrue($request->is('get'));

        Request::addDetector('compare', ['env' => 'TEST_VAR', 'value' => 'something']);

        $request->env('TEST_VAR', 'something');
        $this->assertTrue($request->is('compare'), 'Value match failed.');

        $request->env('TEST_VAR', 'wrong');
        $this->assertFalse($request->is('compare'), 'Value mis-match failed.');

        Request::addDetector('compareCamelCase', ['env' => 'TEST_VAR', 'value' => 'foo']);

        $request->env('TEST_VAR', 'foo');
        $this->assertTrue($request->is('compareCamelCase'), 'Value match failed.');
        $this->assertTrue($request->is('comparecamelcase'), 'detectors should be case insensitive');
        $this->assertTrue($request->is('COMPARECAMELCASE'), 'detectors should be case insensitive');

        $request->env('TEST_VAR', 'not foo');
        $this->assertFalse($request->is('compareCamelCase'), 'Value match failed.');
        $this->assertFalse($request->is('comparecamelcase'), 'detectors should be case insensitive');
        $this->assertFalse($request->is('COMPARECAMELCASE'), 'detectors should be case insensitive');

        Request::addDetector('banana', ['env' => 'TEST_VAR', 'pattern' => '/^ban.*$/']);
        $request->env('TEST_VAR', 'banana');
        $this->assertTrue($request->isBanana());

        $request->env('TEST_VAR', 'wrong value');
        $this->assertFalse($request->isBanana());

        Request::addDetector('mobile', ['env' => 'HTTP_USER_AGENT', 'options' => ['Imagination']]);
        $request->env('HTTP_USER_AGENT', 'Imagination land');
        $this->assertTrue($request->isMobile());

        Request::addDetector('index', ['param' => 'action', 'value' => 'index']);

        $request->params['action'] = 'index';
        $request->clearDetectorCache();
        $this->assertTrue($request->isIndex());

        $request->params['action'] = 'add';
        $request->clearDetectorCache();
        $this->assertFalse($request->isIndex());

        Request::addDetector('callme', [$this, 'detectCallback']);
        $request->return = true;
        $request->clearDetectorCache();
        $this->assertTrue($request->isCallMe());

        Request::addDetector('extension', ['param' => '_ext', 'options' => ['pdf', 'png', 'txt']]);
        $request->params['_ext'] = 'pdf';
        $request->clearDetectorCache();
        $this->assertTrue($request->is('extension'));

        $request->params['_ext'] = 'exe';
        $request->clearDetectorCache();
        $this->assertFalse($request->isExtension());
    }

    /**
     * Helper function for testing callbacks.
     *
     * @param $request
     * @return bool
     */
    public function detectCallback($request)
    {
        return (bool)$request->return;
    }

    /**
     * Test getting headers
     *
     * @return void
     */
    public function testHeader()
    {
        $request = new Request(['environment' => [
            'HTTP_HOST' => 'localhost',
            'HTTP_USER_AGENT' => 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_4; en-ca) AppleWebKit/534.8+ (KHTML, like Gecko) Version/5.0 Safari/533.16'
        ]]);

        $this->assertEquals($request->env('HTTP_HOST'), $request->header('host'));
        $this->assertEquals($request->env('HTTP_USER_AGENT'), $request->header('User-Agent'));
    }

    /**
     * Test accepts() with and without parameters
     *
     * @return void
     */
    public function testAccepts()
    {
        $request = new Request(['environment' => [
            'HTTP_ACCEPT' => 'text/xml,application/xml;q=0.9,application/xhtml+xml,text/html,text/plain,image/png'
        ]]);

        $result = $request->accepts();
        $expected = [
            'text/xml', 'application/xhtml+xml', 'text/html', 'text/plain', 'image/png', 'application/xml'
        ];
        $this->assertEquals($expected, $result, 'Content types differ.');

        $result = $request->accepts('text/html');
        $this->assertTrue($result);

        $result = $request->accepts('image/gif');
        $this->assertFalse($result);
    }

    /**
     * Test that accept header types are trimmed for comparisons.
     *
     * @return void
     */
    public function testAcceptWithWhitespace()
    {
        $request = new Request(['environment' => [
            'HTTP_ACCEPT' => 'text/xml  ,  text/html ,  text/plain,image/png'
        ]]);
        $result = $request->accepts();
        $expected = [
            'text/xml', 'text/html', 'text/plain', 'image/png'
        ];
        $this->assertEquals($expected, $result, 'Content types differ.');

        $this->assertTrue($request->accepts('text/html'));
    }

    /**
     * Content types from accepts() should respect the client's q preference values.
     *
     * @return void
     */
    public function testAcceptWithQvalueSorting()
    {
        $request = new Request(['environment' => [
            'HTTP_ACCEPT' => 'text/html;q=0.8,application/json;q=0.7,application/xml;q=1.0'
        ]]);
        $result = $request->accepts();
        $expected = ['application/xml', 'text/html', 'application/json'];
        $this->assertEquals($expected, $result);
    }

    /**
     * Test the raw parsing of accept headers into the q value formatting.
     *
     * @return void
     */
    public function testParseAcceptWithQValue()
    {
        $request = new Request(['environment' => [
            'HTTP_ACCEPT' => 'text/html;q=0.8,application/json;q=0.7,application/xml;q=1.0,image/png'
        ]]);
        $result = $request->parseAccept();
        $expected = [
            '1.0' => ['application/xml', 'image/png'],
            '0.8' => ['text/html'],
            '0.7' => ['application/json'],
        ];
        $this->assertEquals($expected, $result);
    }

    /**
     * Test parsing accept with a confusing accept value.
     *
     * @return void
     */
    public function testParseAcceptNoQValues()
    {
        $request = new Request(['environment' => [
            'HTTP_ACCEPT' => 'application/json, text/plain, */*'
        ]]);
        $result = $request->parseAccept();
        $expected = [
            '1.0' => ['application/json', 'text/plain', '*/*'],
        ];
        $this->assertEquals($expected, $result);
    }

    /**
     * Test parsing accept ignores index param
     *
     * @return void
     */
    public function testParseAcceptIgnoreAcceptExtensions()
    {
        $request = new Request(['environment' => [
            'url' => '/',
            'HTTP_ACCEPT' => 'application/json;level=1, text/plain, */*'
        ]], false);

        $result = $request->parseAccept();
        $expected = [
            '1.0' => ['application/json', 'text/plain', '*/*'],
        ];
        $this->assertEquals($expected, $result);
    }

    /**
     * Test that parsing accept headers with invalid syntax works.
     *
     * The header used is missing a q value for application/xml.
     *
     * @return void
     */
    public function testParseAcceptInvalidSyntax()
    {
        $request = new Request(['environment' => [
            'url' => '/',
            'HTTP_ACCEPT' => 'text/html,application/xhtml+xml,application/xml;image/png,image/jpeg,image/*;q=0.9,*/*;q=0.8'
        ]], false);
        $result = $request->parseAccept();
        $expected = [
            '1.0' => ['text/html', 'application/xhtml+xml', 'application/xml', 'image/jpeg'],
            '0.9' => ['image/*'],
            '0.8' => ['*/*'],
        ];
        $this->assertEquals($expected, $result);
    }

    /**
     * Test baseUrl and webroot with ModRewrite
     *
     * @return void
     */
    public function testBaseUrlAndWebrootWithModRewrite()
    {
        Configure::write('App.baseUrl', false);

        $_SERVER['DOCUMENT_ROOT'] = '/cake/repo/branches';
        $_SERVER['PHP_SELF'] = '/urlencode me/webroot/index.php';
        $_SERVER['PATH_INFO'] = '/posts/view/1';

        $request = Request::createFromGlobals();
        $this->assertEquals('/urlencode%20me', $request->base);
        $this->assertEquals('/urlencode%20me/', $request->webroot);
        $this->assertEquals('posts/view/1', $request->url);

        $_SERVER['DOCUMENT_ROOT'] = '/cake/repo/branches';
        $_SERVER['PHP_SELF'] = '/1.2.x.x/webroot/index.php';
        $_SERVER['PATH_INFO'] = '/posts/view/1';

        $request = Request::createFromGlobals();
        $this->assertEquals('/1.2.x.x', $request->base);
        $this->assertEquals('/1.2.x.x/', $request->webroot);
        $this->assertEquals('posts/view/1', $request->url);

        $_SERVER['DOCUMENT_ROOT'] = '/cake/repo/branches/1.2.x.x/webroot';
        $_SERVER['PHP_SELF'] = '/index.php';
        $_SERVER['PATH_INFO'] = '/posts/add';
        $request = Request::createFromGlobals();

        $this->assertEquals('', $request->base);
        $this->assertEquals('/', $request->webroot);
        $this->assertEquals('posts/add', $request->url);

        $_SERVER['DOCUMENT_ROOT'] = '/cake/repo/branches/1.2.x.x/test/';
        $_SERVER['PHP_SELF'] = '/webroot/index.php';
        $request = Request::createFromGlobals();

        $this->assertEquals('', $request->base);
        $this->assertEquals('/', $request->webroot);

        $_SERVER['DOCUMENT_ROOT'] = '/some/apps/where';
        $_SERVER['PHP_SELF'] = '/webroot/index.php';
        $request = Request::createFromGlobals();

        $this->assertEquals('', $request->base);
        $this->assertEquals('/', $request->webroot);

        Configure::write('App.dir', 'auth');

        $_SERVER['DOCUMENT_ROOT'] = '/cake/repo/branches';
        $_SERVER['PHP_SELF'] = '/demos/webroot/index.php';

        $request = Request::createFromGlobals();

        $this->assertEquals('/demos', $request->base);
        $this->assertEquals('/demos/', $request->webroot);

        Configure::write('App.dir', 'code');

        $_SERVER['DOCUMENT_ROOT'] = '/Library/WebServer/Documents';
        $_SERVER['PHP_SELF'] = '/clients/PewterReport/webroot/index.php';
        $request = Request::createFromGlobals();

        $this->assertEquals('/clients/PewterReport', $request->base);
        $this->assertEquals('/clients/PewterReport/', $request->webroot);
    }

    /**
     * Test baseUrl with ModRewrite alias
     *
     * @return void
     */
    public function testBaseUrlwithModRewriteAlias()
    {
        $_SERVER['DOCUMENT_ROOT'] = '/home/aplusnur/public_html';
        $_SERVER['PHP_SELF'] = '/control/index.php';

        Configure::write('App.base', '/control');

        $request = Request::createFromGlobals();

        $this->assertEquals('/control', $request->base);
        $this->assertEquals('/control/', $request->webroot);

        Configure::write('App.base', false);
        Configure::write('App.dir', 'affiliate');
        Configure::write('App.webroot', 'newaffiliate');

        $_SERVER['DOCUMENT_ROOT'] = '/var/www/abtravaff/html';
        $_SERVER['PHP_SELF'] = '/newaffiliate/index.php';
        $request = Request::createFromGlobals();

        $this->assertEquals('', $request->base);
        $this->assertEquals('/', $request->webroot);
    }

    /**
     * Test base, webroot, URL and here parsing when there is URL rewriting but
     * CakePHP gets called with index.php in URL nonetheless.
     *
     * Tests uri with
     * - index.php/
     * - index.php/
     * - index.php/apples/
     * - index.php/bananas/eat/tasty_banana
     *
     * @return void
     */
    public function testBaseUrlWithModRewriteAndIndexPhp()
    {
        $_SERVER['REQUEST_URI'] = '/cakephp/webroot/index.php';
        $_SERVER['PHP_SELF'] = '/cakephp/webroot/index.php';
        unset($_SERVER['PATH_INFO']);
        $request = Request::createFromGlobals();

        $this->assertEquals('/cakephp', $request->base);
        $this->assertEquals('/cakephp/', $request->webroot);
        $this->assertEquals('', $request->url);
        $this->assertEquals('/cakephp/', $request->here);

        $_SERVER['REQUEST_URI'] = '/cakephp/webroot/index.php/';
        $_SERVER['PHP_SELF'] = '/cakephp/webroot/index.php/';
        $_SERVER['PATH_INFO'] = '/';
        $request = Request::createFromGlobals();

        $this->assertEquals('/cakephp', $request->base);
        $this->assertEquals('/cakephp/', $request->webroot);
        $this->assertEquals('', $request->url);
        $this->assertEquals('/cakephp/', $request->here);

        $_SERVER['REQUEST_URI'] = '/cakephp/webroot/index.php/apples';
        $_SERVER['PHP_SELF'] = '/cakephp/webroot/index.php/apples';
        $_SERVER['PATH_INFO'] = '/apples';
        $request = Request::createFromGlobals();

        $this->assertEquals('/cakephp', $request->base);
        $this->assertEquals('/cakephp/', $request->webroot);
        $this->assertEquals('apples', $request->url);
        $this->assertEquals('/cakephp/apples', $request->here);

        $_SERVER['REQUEST_URI'] = '/cakephp/webroot/index.php/melons/share/';
        $_SERVER['PHP_SELF'] = '/cakephp/webroot/index.php/melons/share/';
        $_SERVER['PATH_INFO'] = '/melons/share/';
        $request = Request::createFromGlobals();

        $this->assertEquals('/cakephp', $request->base);
        $this->assertEquals('/cakephp/', $request->webroot);
        $this->assertEquals('melons/share/', $request->url);
        $this->assertEquals('/cakephp/melons/share/', $request->here);

        $_SERVER['REQUEST_URI'] = '/cakephp/webroot/index.php/bananas/eat/tasty_banana';
        $_SERVER['PHP_SELF'] = '/cakephp/webroot/index.php/bananas/eat/tasty_banana';
        $_SERVER['PATH_INFO'] = '/bananas/eat/tasty_banana';
        $request = Request::createFromGlobals();

        $this->assertEquals('/cakephp', $request->base);
        $this->assertEquals('/cakephp/', $request->webroot);
        $this->assertEquals('bananas/eat/tasty_banana', $request->url);
        $this->assertEquals('/cakephp/bananas/eat/tasty_banana', $request->here);
    }

    /**
     * Test that even if mod_rewrite is on, and the url contains index.php
     * and there are numerous //s that the base/webroot is calculated correctly.
     *
     * @return void
     */
    public function testBaseUrlWithModRewriteAndExtraSlashes()
    {
        $_SERVER['REQUEST_URI'] = '/cakephp/webroot///index.php/bananas/eat';
        $_SERVER['PHP_SELF'] = '/cakephp/webroot///index.php/bananas/eat';
        $_SERVER['PATH_INFO'] = '/bananas/eat';
        $request = Request::createFromGlobals();

        $this->assertEquals('/cakephp', $request->base);
        $this->assertEquals('/cakephp/', $request->webroot);
        $this->assertEquals('bananas/eat', $request->url);
        $this->assertEquals('/cakephp/bananas/eat', $request->here);
    }

    /**
     * Test base, webroot, and URL parsing when there is no URL rewriting
     *
     * @return void
     */
    public function testBaseUrlWithNoModRewrite()
    {
        $_SERVER['DOCUMENT_ROOT'] = '/Users/markstory/Sites';
        $_SERVER['SCRIPT_FILENAME'] = '/Users/markstory/Sites/cake/index.php';
        $_SERVER['PHP_SELF'] = '/cake/index.php/posts/index';
        $_SERVER['REQUEST_URI'] = '/cake/index.php/posts/index';

        Configure::write('App', [
            'dir' => APP_DIR,
            'webroot' => 'webroot',
            'base' => false,
            'baseUrl' => '/cake/index.php'
        ]);

        $request = Request::createFromGlobals();
        $this->assertEquals('/cake/index.php', $request->base);
        $this->assertEquals('/cake/webroot/', $request->webroot);
        $this->assertEquals('posts/index', $request->url);
    }

    /**
     * Test baseUrl and webroot with baseUrl
     *
     * @return void
     */
    public function testBaseUrlAndWebrootWithBaseUrl()
    {
        Configure::write('App.dir', 'App');
        Configure::write('App.baseUrl', '/App/webroot/index.php');

        $request = Request::createFromGlobals();
        $this->assertEquals('/App/webroot/index.php', $request->base);
        $this->assertEquals('/App/webroot/', $request->webroot);

        Configure::write('App.baseUrl', '/App/webroot/test.php');
        $request = Request::createFromGlobals();
        $this->assertEquals('/App/webroot/test.php', $request->base);
        $this->assertEquals('/App/webroot/', $request->webroot);

        Configure::write('App.baseUrl', '/App/index.php');
        $request = Request::createFromGlobals();
        $this->assertEquals('/App/index.php', $request->base);
        $this->assertEquals('/App/webroot/', $request->webroot);

        Configure::write('App.baseUrl', '/CakeBB/App/webroot/index.php');
        $request = Request::createFromGlobals();
        $this->assertEquals('/CakeBB/App/webroot/index.php', $request->base);
        $this->assertEquals('/CakeBB/App/webroot/', $request->webroot);

        Configure::write('App.baseUrl', '/CakeBB/App/index.php');
        $request = Request::createFromGlobals();

        $this->assertEquals('/CakeBB/App/index.php', $request->base);
        $this->assertEquals('/CakeBB/App/webroot/', $request->webroot);

        Configure::write('App.baseUrl', '/CakeBB/index.php');
        $request = Request::createFromGlobals();

        $this->assertEquals('/CakeBB/index.php', $request->base);
        $this->assertEquals('/CakeBB/webroot/', $request->webroot);

        Configure::write('App.baseUrl', '/dbhauser/index.php');
        $_SERVER['DOCUMENT_ROOT'] = '/kunden/homepages/4/d181710652/htdocs/joomla';
        $_SERVER['SCRIPT_FILENAME'] = '/kunden/homepages/4/d181710652/htdocs/joomla/dbhauser/index.php';
        $request = Request::createFromGlobals();

        $this->assertEquals('/dbhauser/index.php', $request->base);
        $this->assertEquals('/dbhauser/webroot/', $request->webroot);
    }

    /**
     * Test baseUrl with no rewrite and using the top level index.php.
     *
     * @return void
     */
    public function testBaseUrlNoRewriteTopLevelIndex()
    {
        Configure::write('App.baseUrl', '/index.php');
        $_SERVER['DOCUMENT_ROOT'] = '/Users/markstory/Sites/cake_dev';
        $_SERVER['SCRIPT_FILENAME'] = '/Users/markstory/Sites/cake_dev/index.php';

        $request = Request::createFromGlobals();
        $this->assertEquals('/index.php', $request->base);
        $this->assertEquals('/webroot/', $request->webroot);
    }

    /**
     * Check that a sub-directory containing app|webroot doesn't get mishandled when re-writing is off.
     *
     * @return void
     */
    public function testBaseUrlWithAppAndWebrootInDirname()
    {
        Configure::write('App.baseUrl', '/approval/index.php');
        $_SERVER['DOCUMENT_ROOT'] = '/Users/markstory/Sites/';
        $_SERVER['SCRIPT_FILENAME'] = '/Users/markstory/Sites/approval/index.php';

        $request = Request::createFromGlobals();
        $this->assertEquals('/approval/index.php', $request->base);
        $this->assertEquals('/approval/webroot/', $request->webroot);

        Configure::write('App.baseUrl', '/webrootable/index.php');
        $_SERVER['DOCUMENT_ROOT'] = '/Users/markstory/Sites/';
        $_SERVER['SCRIPT_FILENAME'] = '/Users/markstory/Sites/webrootable/index.php';

        $request = Request::createFromGlobals();
        $this->assertEquals('/webrootable/index.php', $request->base);
        $this->assertEquals('/webrootable/webroot/', $request->webroot);
    }

    /**
     * Test baseUrl with no rewrite, and using the app/webroot/index.php file as is normal with virtual hosts.
     *
     * @return void
     */
    public function testBaseUrlNoRewriteWebrootIndex()
    {
        Configure::write('App.baseUrl', '/index.php');
        $_SERVER['DOCUMENT_ROOT'] = '/Users/markstory/Sites/cake_dev/webroot';
        $_SERVER['SCRIPT_FILENAME'] = '/Users/markstory/Sites/cake_dev/webroot/index.php';

        $request = Request::createFromGlobals();
        $this->assertEquals('/index.php', $request->base);
        $this->assertEquals('/', $request->webroot);
    }

    /**
     * Test that a request with a . in the main GET parameter is filtered out.
     * PHP changes GET parameter keys containing dots to _.
     *
     * @return void
     */
    public function testGetParamsWithDot()
    {
        $_GET = [];
        $_GET['/posts/index/add_add'] = '';
        $_SERVER['PHP_SELF'] = '/webroot/index.php';
        $_SERVER['REQUEST_URI'] = '/posts/index/add.add';
        $request = Request::createFromGlobals();
        $this->assertEquals('', $request->base);
        $this->assertEquals([], $request->query);

        $_GET = [];
        $_GET['/cake_dev/posts/index/add_add'] = '';
        $_SERVER['PHP_SELF'] = '/cake_dev/webroot/index.php';
        $_SERVER['REQUEST_URI'] = '/cake_dev/posts/index/add.add';
        $request = Request::createFromGlobals();
        $this->assertEquals('/cake_dev', $request->base);
        $this->assertEquals([], $request->query);
    }

    /**
     * Test that a request with urlencoded bits in the main GET parameter are filtered out.
     *
     * @return void
     */
    public function testGetParamWithUrlencodedElement()
    {
        $_GET = [];
        $_GET['/posts/add/∂∂'] = '';
        $_SERVER['PHP_SELF'] = '/webroot/index.php';
        $_SERVER['REQUEST_URI'] = '/posts/add/%E2%88%82%E2%88%82';
        $request = Request::createFromGlobals();
        $this->assertEquals('', $request->base);
        $this->assertEquals([], $request->query);

        $_GET = [];
        $_GET['/cake_dev/posts/add/∂∂'] = '';
        $_SERVER['PHP_SELF'] = '/cake_dev/webroot/index.php';
        $_SERVER['REQUEST_URI'] = '/cake_dev/posts/add/%E2%88%82%E2%88%82';
        $request = Request::createFromGlobals();
        $this->assertEquals('/cake_dev', $request->base);
        $this->assertEquals([], $request->query);
    }

    /**
     * Generator for environment configurations
     *
     * @return array Environment array
     */
    public static function environmentGenerator()
    {
        return [
            [
                'IIS - No rewrite base path',
                [
                    'App' => [
                        'base' => false,
                        'baseUrl' => '/index.php',
                        'dir' => 'TestApp',
                        'webroot' => 'webroot'
                    ],
                    'SERVER' => [
                        'SCRIPT_NAME' => '/index.php',
                        'PATH_TRANSLATED' => 'C:\\Inetpub\\wwwroot',
                        'QUERY_STRING' => '',
                        'REQUEST_URI' => '/index.php',
                        'URL' => '/index.php',
                        'SCRIPT_FILENAME' => 'C:\\Inetpub\\wwwroot\\index.php',
                        'ORIG_PATH_INFO' => '/index.php',
                        'PATH_INFO' => '',
                        'ORIG_PATH_TRANSLATED' => 'C:\\Inetpub\\wwwroot\\index.php',
                        'DOCUMENT_ROOT' => 'C:\\Inetpub\\wwwroot',
                        'PHP_SELF' => '/index.php',
                    ],
                ],
                [
                    'base' => '/index.php',
                    'webroot' => '/webroot/',
                    'url' => ''
                ],
            ],
            [
                'IIS - No rewrite with path, no PHP_SELF',
                [
                    'App' => [
                        'base' => false,
                        'baseUrl' => '/index.php?',
                        'dir' => 'TestApp',
                        'webroot' => 'webroot'
                    ],
                    'SERVER' => [
                        'QUERY_STRING' => '/posts/add',
                        'REQUEST_URI' => '/index.php?/posts/add',
                        'PHP_SELF' => '',
                        'URL' => '/index.php?/posts/add',
                        'DOCUMENT_ROOT' => 'C:\\Inetpub\\wwwroot',
                        'argv' => ['/posts/add'],
                        'argc' => 1
                    ],
                ],
                [
                    'url' => 'posts/add',
                    'base' => '/index.php?',
                    'webroot' => '/webroot/'
                ]
            ],
            [
                'IIS - No rewrite sub dir 2',
                [
                    'App' => [
                        'base' => false,
                        'baseUrl' => '/site/index.php',
                        'dir' => 'TestApp',
                        'webroot' => 'webroot',
                    ],
                    'SERVER' => [
                        'SCRIPT_NAME' => '/site/index.php',
                        'PATH_TRANSLATED' => 'C:\\Inetpub\\wwwroot',
                        'QUERY_STRING' => '',
                        'REQUEST_URI' => '/site/index.php',
                        'URL' => '/site/index.php',
                        'SCRIPT_FILENAME' => 'C:\\Inetpub\\wwwroot\\site\\index.php',
                        'DOCUMENT_ROOT' => 'C:\\Inetpub\\wwwroot',
                        'PHP_SELF' => '/site/index.php',
                        'argv' => [],
                        'argc' => 0
                    ],
                ],
                [
                    'url' => '',
                    'base' => '/site/index.php',
                    'webroot' => '/site/webroot/'
                ],
            ],
            [
                'IIS - No rewrite sub dir 2 with path',
                [
                    'App' => [
                        'base' => false,
                        'baseUrl' => '/site/index.php',
                        'dir' => 'TestApp',
                        'webroot' => 'webroot'
                    ],
                    'GET' => ['/posts/add' => ''],
                    'SERVER' => [
                        'SCRIPT_NAME' => '/site/index.php',
                        'PATH_TRANSLATED' => 'C:\\Inetpub\\wwwroot',
                        'QUERY_STRING' => '/posts/add',
                        'REQUEST_URI' => '/site/index.php/posts/add',
                        'URL' => '/site/index.php/posts/add',
                        'ORIG_PATH_TRANSLATED' => 'C:\\Inetpub\\wwwroot\\site\\index.php',
                        'DOCUMENT_ROOT' => 'C:\\Inetpub\\wwwroot',
                        'PHP_SELF' => '/site/index.php/posts/add',
                        'argv' => ['/posts/add'],
                        'argc' => 1
                    ],
                ],
                [
                    'url' => 'posts/add',
                    'base' => '/site/index.php',
                    'webroot' => '/site/webroot/'
                ]
            ],
            [
                'Apache - No rewrite, document root set to webroot, requesting path',
                [
                    'App' => [
                        'base' => false,
                        'baseUrl' => '/index.php',
                        'dir' => 'TestApp',
                        'webroot' => 'webroot'
                    ],
                    'SERVER' => [
                        'DOCUMENT_ROOT' => '/Library/WebServer/Documents/site/App/webroot',
                        'SCRIPT_FILENAME' => '/Library/WebServer/Documents/site/App/webroot/index.php',
                        'QUERY_STRING' => '',
                        'REQUEST_URI' => '/index.php/posts/index',
                        'SCRIPT_NAME' => '/index.php',
                        'PATH_INFO' => '/posts/index',
                        'PHP_SELF' => '/index.php/posts/index',
                    ],
                ],
                [
                    'url' => 'posts/index',
                    'base' => '/index.php',
                    'webroot' => '/'
                ],
            ],
            [
                'Apache - No rewrite, document root set to webroot, requesting root',
                [
                    'App' => [
                        'base' => false,
                        'baseUrl' => '/index.php',
                        'dir' => 'TestApp',
                        'webroot' => 'webroot'
                    ],
                    'SERVER' => [
                        'DOCUMENT_ROOT' => '/Library/WebServer/Documents/site/App/webroot',
                        'SCRIPT_FILENAME' => '/Library/WebServer/Documents/site/App/webroot/index.php',
                        'QUERY_STRING' => '',
                        'REQUEST_URI' => '/index.php',
                        'SCRIPT_NAME' => '/index.php',
                        'PATH_INFO' => '',
                        'PHP_SELF' => '/index.php',
                    ],
                ],
                [
                    'url' => '',
                    'base' => '/index.php',
                    'webroot' => '/'
                ],
            ],
            [
                'Apache - No rewrite, document root set above top level cake dir, requesting path',
                [
                    'App' => [
                        'base' => false,
                        'baseUrl' => '/site/index.php',
                        'dir' => 'TestApp',
                        'webroot' => 'webroot'
                    ],
                    'SERVER' => [
                        'SERVER_NAME' => 'localhost',
                        'DOCUMENT_ROOT' => '/Library/WebServer/Documents',
                        'SCRIPT_FILENAME' => '/Library/WebServer/Documents/site/index.php',
                        'REQUEST_URI' => '/site/index.php/posts/index',
                        'SCRIPT_NAME' => '/site/index.php',
                        'PATH_INFO' => '/posts/index',
                        'PHP_SELF' => '/site/index.php/posts/index',
                    ],
                ],
                [
                    'url' => 'posts/index',
                    'base' => '/site/index.php',
                    'webroot' => '/site/webroot/',
                ],
            ],
            [
                'Apache - No rewrite, document root set above top level cake dir, request root, no PATH_INFO',
                [
                    'App' => [
                        'base' => false,
                        'baseUrl' => '/site/index.php',
                        'dir' => 'TestApp',
                        'webroot' => 'webroot'
                    ],
                    'SERVER' => [
                        'SERVER_NAME' => 'localhost',
                        'DOCUMENT_ROOT' => '/Library/WebServer/Documents',
                        'SCRIPT_FILENAME' => '/Library/WebServer/Documents/site/index.php',
                        'REQUEST_URI' => '/site/index.php/',
                        'SCRIPT_NAME' => '/site/index.php',
                        'PHP_SELF' => '/site/index.php/',
                    ],
                ],
                [
                    'url' => '',
                    'base' => '/site/index.php',
                    'webroot' => '/site/webroot/',
                ],
            ],
            [
                'Apache - No rewrite, document root set above top level cake dir, request path, with GET',
                [
                    'App' => [
                        'base' => false,
                        'baseUrl' => '/site/index.php',
                        'dir' => 'TestApp',
                        'webroot' => 'webroot'
                    ],
                    'GET' => ['a' => 'b', 'c' => 'd'],
                    'SERVER' => [
                        'SERVER_NAME' => 'localhost',
                        'DOCUMENT_ROOT' => '/Library/WebServer/Documents',
                        'SCRIPT_FILENAME' => '/Library/WebServer/Documents/site/index.php',
                        'REQUEST_URI' => '/site/index.php/posts/index?a=b&c=d',
                        'SCRIPT_NAME' => '/site/index.php',
                        'PATH_INFO' => '/posts/index',
                        'PHP_SELF' => '/site/index.php/posts/index',
                        'QUERY_STRING' => 'a=b&c=d'
                    ],
                ],
                [
                    'urlParams' => ['a' => 'b', 'c' => 'd'],
                    'url' => 'posts/index',
                    'base' => '/site/index.php',
                    'webroot' => '/site/webroot/',
                ],
            ],
            [
                'Apache - w/rewrite, document root set above top level cake dir, request root, no PATH_INFO',
                [
                    'App' => [
                        'base' => false,
                        'baseUrl' => false,
                        'dir' => 'TestApp',
                        'webroot' => 'webroot'
                    ],
                    'SERVER' => [
                        'SERVER_NAME' => 'localhost',
                        'DOCUMENT_ROOT' => '/Library/WebServer/Documents',
                        'SCRIPT_FILENAME' => '/Library/WebServer/Documents/site/index.php',
                        'REQUEST_URI' => '/site/',
                        'SCRIPT_NAME' => '/site/webroot/index.php',
                        'PHP_SELF' => '/site/webroot/index.php',
                    ],
                ],
                [
                    'url' => '',
                    'base' => '/site',
                    'webroot' => '/site/',
                ],
            ],
            [
                'Apache - w/rewrite, document root above top level cake dir, request root, no PATH_INFO/REQUEST_URI',
                [
                    'App' => [
                        'base' => false,
                        'baseUrl' => false,
                        'dir' => 'TestApp',
                        'webroot' => 'webroot'
                    ],
                    'SERVER' => [
                        'SERVER_NAME' => 'localhost',
                        'DOCUMENT_ROOT' => '/Library/WebServer/Documents',
                        'SCRIPT_FILENAME' => '/Library/WebServer/Documents/site/index.php',
                        'SCRIPT_NAME' => '/site/webroot/index.php',
                        'PHP_SELF' => '/site/webroot/index.php',
                        'PATH_INFO' => null,
                        'REQUEST_URI' => null,
                    ],
                ],
                [
                    'url' => '',
                    'base' => '/site',
                    'webroot' => '/site/',
                ],
            ],
            [
                'Apache - w/rewrite, document root set to webroot, request root, no PATH_INFO/REQUEST_URI',
                [
                    'App' => [
                        'base' => false,
                        'baseUrl' => false,
                        'dir' => 'TestApp',
                        'webroot' => 'webroot'
                    ],
                    'SERVER' => [
                        'SERVER_NAME' => 'localhost',
                        'DOCUMENT_ROOT' => '/Library/WebServer/Documents/site/webroot',
                        'SCRIPT_FILENAME' => '/Library/WebServer/Documents/site/webroot/index.php',
                        'SCRIPT_NAME' => '/index.php',
                        'PHP_SELF' => '/index.php',
                        'PATH_INFO' => null,
                        'REQUEST_URI' => null,
                    ],
                ],
                [
                    'url' => '',
                    'base' => '',
                    'webroot' => '/',
                ],
            ],
            [
                'Apache - w/rewrite, document root set above top level cake dir, request root, absolute REQUEST_URI',
                [
                    'App' => [
                        'base' => false,
                        'baseUrl' => false,
                        'dir' => 'TestApp',
                        'webroot' => 'webroot'
                    ],
                    'SERVER' => [
                        'SERVER_NAME' => 'localhost',
                        'DOCUMENT_ROOT' => '/Library/WebServer/Documents',
                        'SCRIPT_FILENAME' => '/Library/WebServer/Documents/site/index.php',
                        'REQUEST_URI' => '/site/posts/index',
                        'SCRIPT_NAME' => '/site/webroot/index.php',
                        'PHP_SELF' => '/site/webroot/index.php',
                    ],
                ],
                [
                    'url' => 'posts/index',
                    'base' => '/site',
                    'webroot' => '/site/',
                ],
            ],
            [
                'Nginx - w/rewrite, document root set to webroot, request root, no PATH_INFO',
                [
                    'App' => [
                        'base' => false,
                        'baseUrl' => false,
                        'dir' => 'TestApp',
                        'webroot' => 'webroot'
                    ],
                    'GET' => ['/posts/add' => ''],
                    'SERVER' => [
                        'SERVER_NAME' => 'localhost',
                        'DOCUMENT_ROOT' => '/Library/WebServer/Documents/site/webroot',
                        'SCRIPT_FILENAME' => '/Library/WebServer/Documents/site/webroot/index.php',
                        'SCRIPT_NAME' => '/index.php',
                        'QUERY_STRING' => '/posts/add&',
                        'PHP_SELF' => '/index.php',
                        'PATH_INFO' => null,
                        'REQUEST_URI' => '/posts/add',
                    ],
                ],
                [
                    'url' => 'posts/add',
                    'base' => '',
                    'webroot' => '/',
                    'urlParams' => []
                ],
            ],
            [
                'Nginx - w/rewrite, document root set above top level cake dir, request root, no PATH_INFO, base parameter set',
                [
                    'App' => [
                        'base' => false,
                        'baseUrl' => false,
                        'dir' => 'app',
                        'webroot' => 'webroot'
                    ],
                    'GET' => ['/site/posts/add' => ''],
                    'SERVER' => [
                        'SERVER_NAME' => 'localhost',
                        'DOCUMENT_ROOT' => '/Library/WebServer/Documents',
                        'SCRIPT_FILENAME' => '/Library/WebServer/Documents/site/App/webroot/index.php',
                        'SCRIPT_NAME' => '/site/app/webroot/index.php',
                        'QUERY_STRING' => '/site/posts/add&',
                        'PHP_SELF' => '/site/webroot/index.php',
                        'PATH_INFO' => null,
                        'REQUEST_URI' => '/site/posts/add',
                    ],
                ],
                [
                    'url' => 'posts/add',
                    'base' => '/site',
                    'webroot' => '/site/',
                    'urlParams' => []
                ],
            ],
        ];
    }

    /**
     * Test environment detection
     *
     * @dataProvider environmentGenerator
     * @param $name
     * @param $env
     * @param $expected
     * @return void
     */
    public function testEnvironmentDetection($name, $env, $expected)
    {
        $_GET = [];
        $this->_loadEnvironment($env);

        $request = Request::createFromGlobals();
        $this->assertEquals($expected['url'], $request->url, "url error");
        $this->assertEquals($expected['base'], $request->base, "base error");
        $this->assertEquals($expected['webroot'], $request->webroot, "webroot error");
        if (isset($expected['urlParams'])) {
            $this->assertEquals($expected['urlParams'], $request->query, "GET param mismatch");
        }
    }

    /**
     * Test the query() method
     *
     * @return void
     */
    public function testQuery()
    {
        $request = new Request([
            'query' => ['foo' => 'bar', 'zero' => '0']
        ]);

        $result = $request->query('foo');
        $this->assertSame('bar', $result);

        $result = $request->query('zero');
        $this->assertSame('0', $result);

        $result = $request->query('imaginary');
        $this->assertNull($result);
    }

    /**
     * Test the query() method with arrays passed via $_GET
     *
     * @return void
     */
    public function testQueryWithArray()
    {
        $get['test'] = ['foo', 'bar'];

        $request = new Request([
            'query' => $get
        ]);

        $result = $request->query('test');
        $this->assertEquals(['foo', 'bar'], $result);

        $result = $request->query('test.1');
        $this->assertEquals('bar', $result);

        $result = $request->query('test.2');
        $this->assertNull($result);
    }

    /**
     * Test using param()
     *
     * @return void
     */
    public function testReadingParams()
    {
        $request = new Request();
        $request->addParams([
            'controller' => 'posts',
            'admin' => true,
            'truthy' => 1,
            'zero' => '0',
        ]);
        $this->assertFalse($request->param('not_set'));
        $this->assertTrue($request->param('admin'));
        $this->assertSame(1, $request->param('truthy'));
        $this->assertSame('posts', $request->param('controller'));
        $this->assertSame('0', $request->param('zero'));
    }

    /**
     * Test the data() method reading
     *
     * @return void
     */
    public function testDataReading()
    {
        $post = [
            'Model' => [
                'field' => 'value'
            ]
        ];
        $request = new Request(compact('post'));
        $result = $request->data('Model');
        $this->assertEquals($post['Model'], $result);

        $result = $request->data();
        $this->assertEquals($post, $result);

        $result = $request->data('Model.imaginary');
        $this->assertNull($result);
    }

    /**
     * Test writing with data()
     *
     * @return void
     */
    public function testDataWriting()
    {
        $_POST['data'] = [
            'Model' => [
                'field' => 'value'
            ]
        ];
        $request = new Request();
        $result = $request->data('Model.new_value', 'new value');
        $this->assertSame($result, $request, 'Return was not $this');

        $this->assertEquals('new value', $request->data['Model']['new_value']);

        $request->data('Post.title', 'New post')->data('Comment.1.author', 'Mark');
        $this->assertEquals('New post', $request->data['Post']['title']);
        $this->assertEquals('Mark', $request->data['Comment']['1']['author']);
    }

    /**
     * Test writing falsey values.
     *
     * @return void
     */
    public function testDataWritingFalsey()
    {
        $request = new Request();

        $request->data('Post.null', null);
        $this->assertNull($request->data['Post']['null']);

        $request->data('Post.false', false);
        $this->assertFalse($request->data['Post']['false']);

        $request->data('Post.zero', 0);
        $this->assertSame(0, $request->data['Post']['zero']);

        $request->data('Post.empty', '');
        $this->assertSame('', $request->data['Post']['empty']);
    }

    /**
     * Test reading params
     *
     * @dataProvider paramReadingDataProvider
     */
    public function testParamReading($toRead, $expected)
    {
        $request = new Request('/');
        $request->addParams([
            'action' => 'index',
            'foo' => 'bar',
            'baz' => [
                'a' => [
                    'b' => 'c',
                ],
            ],
            'admin' => true,
            'truthy' => 1,
            'zero' => '0',
        ]);
        $this->assertSame($expected, $request->param($toRead));
    }

    /**
     * Data provider for testing reading values with Request::param()
     *
     * @return array
     */
    public function paramReadingDataProvider()
    {
        return [
            [
                'action',
                'index',
            ],
            [
                'baz',
                [
                    'a' => [
                        'b' => 'c',
                    ],
                ],
            ],
            [
                'baz.a.b',
                'c',
            ],
            [
                'does_not_exist',
                false,
            ],
            [
                'admin',
                true,
            ],
            [
                'truthy',
                1,
            ],
            [
                'zero',
                '0',
            ],
        ];
    }

    /**
     * test writing request params with param()
     *
     * @return void
     */
    public function testParamWriting()
    {
        $request = new Request('/');
        $request->addParams([
            'action' => 'index',
        ]);

        $this->assertInstanceOf('Cake\Network\Request', $request->param('some', 'thing'), 'Method has not returned $this');

        $request->param('Post.null', null);
        $this->assertNull($request->params['Post']['null']);

        $request->param('Post.false', false);
        $this->assertFalse($request->params['Post']['false']);

        $request->param('Post.zero', 0);
        $this->assertSame(0, $request->params['Post']['zero']);

        $request->param('Post.empty', '');
        $this->assertSame('', $request->params['Post']['empty']);

        $this->assertSame('index', $request->action);
        $request->param('action', 'edit');
        $this->assertSame('edit', $request->action);
    }

    /**
     * Test accept language
     *
     * @return void
     */
    public function testAcceptLanguage()
    {
        $request = new Request();

        // Weird language
        $request->env('HTTP_ACCEPT_LANGUAGE', 'inexistent,en-ca');
        $result = $request->acceptLanguage();
        $this->assertEquals(['inexistent', 'en-ca'], $result, 'Languages do not match');

        // No qualifier
        $request->env('HTTP_ACCEPT_LANGUAGE', 'es_mx,en_ca');
        $result = $request->acceptLanguage();
        $this->assertEquals(['es-mx', 'en-ca'], $result, 'Languages do not match');

        // With qualifier
        $request->env('HTTP_ACCEPT_LANGUAGE', 'en-US,en;q=0.8,pt-BR;q=0.6,pt;q=0.4');
        $result = $request->acceptLanguage();
        $this->assertEquals(['en-us', 'en', 'pt-br', 'pt'], $result, 'Languages do not match');

        // With spaces
        $request->env('HTTP_ACCEPT_LANGUAGE', 'da, en-gb;q=0.8, en;q=0.7');
        $result = $request->acceptLanguage();
        $this->assertEquals(['da', 'en-gb', 'en'], $result, 'Languages do not match');

        // Checking if requested
        $request->env('HTTP_ACCEPT_LANGUAGE', 'es_mx,en_ca');
        $result = $request->acceptLanguage();

        $result = $request->acceptLanguage('en-ca');
        $this->assertTrue($result);

        $result = $request->acceptLanguage('en-CA');
        $this->assertTrue($result);

        $result = $request->acceptLanguage('en-us');
        $this->assertFalse($result);

        $result = $request->acceptLanguage('en-US');
        $this->assertFalse($result);
    }

    /**
     * Test the here() method
     *
     * @return void
     */
    public function testHere()
    {
        Configure::write('App.base', '/base_path');
        $q = ['test' => 'value'];
        $request = new Request([
            'query' => $q,
            'url' => '/posts/add/1/value',
            'base' => '/base_path'
        ]);

        $result = $request->here();
        $this->assertEquals('/base_path/posts/add/1/value?test=value', $result);

        $result = $request->here(false);
        $this->assertEquals('/posts/add/1/value?test=value', $result);

        $request = new Request([
            'url' => '/posts/base_path/1/value',
            'query' => ['test' => 'value'],
            'base' => '/base_path'
        ]);
        $result = $request->here();
        $this->assertEquals('/base_path/posts/base_path/1/value?test=value', $result);

        $result = $request->here(false);
        $this->assertEquals('/posts/base_path/1/value?test=value', $result);
    }

    /**
     * Test the here() with space in URL
     *
     * @return void
     */
    public function testHereWithSpaceInUrl()
    {
        Configure::write('App.base', '');
        $_GET = ['/admin/settings/settings/prefix/Access_Control' => ''];
        $request = new Request('/admin/settings/settings/prefix/Access%20Control');

        $result = $request->here();
        $this->assertEquals('/admin/settings/settings/prefix/Access%20Control', $result);
    }

    /**
     * Test the input() method.
     *
     * @return void
     */
    public function testSetInput()
    {
        $request = new Request();

        $request->setInput('I came from setInput');
        $result = $request->input();
        $this->assertEquals('I came from setInput', $result);
    }

    /**
     * Test the input() method.
     *
     * @return void
     */
    public function testInput()
    {
        $request = $this->getMock('Cake\Network\Request', ['_readInput']);
        $request->expects($this->once())->method('_readInput')
            ->will($this->returnValue('I came from stdin'));

        $result = $request->input();
        $this->assertEquals('I came from stdin', $result);
    }

    /**
     * Test input() decoding.
     *
     * @return void
     */
    public function testInputDecode()
    {
        $request = $this->getMock('Cake\Network\Request', ['_readInput']);
        $request->expects($this->once())->method('_readInput')
            ->will($this->returnValue('{"name":"value"}'));

        $result = $request->input('json_decode');
        $this->assertEquals(['name' => 'value'], (array)$result);
    }

    /**
     * Test input() decoding with additional arguments.
     *
     * @return void
     */
    public function testInputDecodeExtraParams()
    {
        $xml = <<<XML
<?xml version="1.0" encoding="utf-8"?>
<post>
	<title id="title">Test</title>
</post>
XML;

        $request = $this->getMock('Cake\Network\Request', ['_readInput']);
        $request->expects($this->once())->method('_readInput')
            ->will($this->returnValue($xml));

        $result = $request->input('Cake\Utility\Xml::build', ['return' => 'domdocument']);
        $this->assertInstanceOf('DOMDocument', $result);
        $this->assertEquals(
            'Test',
            $result->getElementsByTagName('title')->item(0)->childNodes->item(0)->wholeText
        );
    }

    /**
     * Test is('requested') and isRequested()
     *
     * @return void
     */
    public function testIsRequested()
    {
        $request = new Request();
        $request->addParams([
            'controller' => 'posts',
            'action' => 'index',
            'plugin' => null,
            'requested' => 1
        ]);
        $this->assertTrue($request->is('requested'));
        $this->assertTrue($request->isRequested());

        $request = new Request();
        $request->addParams([
            'controller' => 'posts',
            'action' => 'index',
            'plugin' => null,
        ]);
        $this->assertFalse($request->is('requested'));
        $this->assertFalse($request->isRequested());
    }

    /**
     * Test the cookie() method.
     *
     * @return void
     */
    public function testReadCookie()
    {
        $request = new Request([
            'cookies' => [
                'testing' => 'A value in the cookie'
            ]
        ]);
        $result = $request->cookie('testing');
        $this->assertEquals('A value in the cookie', $result);

        $result = $request->cookie('not there');
        $this->assertNull($result);
    }

    /**
     * TestAllowMethod
     *
     * @return void
     */
    public function testAllowMethod()
    {
        $request = new Request(['environment' => [
            'url' => '/posts/edit/1',
            'REQUEST_METHOD' => 'PUT'
        ]]);

        $this->assertTrue($request->allowMethod('put'));

        $request->env('REQUEST_METHOD', 'DELETE');
        $this->assertTrue($request->allowMethod(['post', 'delete']));
    }

    /**
     * Test allowMethod throwing exception
     *
     * @return void
     */
    public function testAllowMethodException()
    {
        $request = new Request([
            'url' => '/posts/edit/1',
            'environment' => ['REQUEST_METHOD' => 'PUT']
        ]);

        try {
            $request->allowMethod(['POST', 'DELETE']);
            $this->fail('An expected exception has not been raised.');
        } catch (Exception\MethodNotAllowedException $e) {
            $this->assertEquals(['Allow' => 'POST, DELETE'], $e->responseHeader());
        }

        $this->setExpectedException('Cake\Network\Exception\MethodNotAllowedException');
        $request->allowMethod('POST');
    }

    /**
     * Tests getting the sessions from the request
     *
     * @return void
     */
    public function testSession()
    {
        $session = new Session;
        $request = new Request(['session' => $session]);
        $this->assertSame($session, $request->session());

        $request = Request::createFromGlobals();
        $this->assertEquals($session, $request->session());
    }

    /**
     * Test the content type method.
     *
     * @return void
     */
    public function testContentType()
    {
        $_SERVER['HTTP_CONTENT_TYPE'] = 'application/json';
        $request = Request::createFromGlobals();
        $this->assertEquals('application/json', $request->contentType());

        $_SERVER['CONTENT_TYPE'] = 'application/xml';
        $request = Request::createFromGlobals();
        $this->assertEquals('application/xml', $request->contentType(), 'prefer non http header.');
    }

    /**
     * Tests that overriding the method to GET will clean all request
     * data, to better simulate a GET request.
     *
     * @return void
     */
    public function testMethodOverrideEmptyData()
    {
        $post = ['_method' => 'GET', 'foo' => 'bar'];
        $request = new Request([
            'post' => $post,
            'environment' => ['REQUEST_METHOD' => 'POST']
        ]);
        $this->assertEmpty($request->data);

        $post = ['_method' => 'GET', 'foo' => 'bar'];
        $request = new Request([
            'post' => ['foo' => 'bar'],
            'environment' => [
                'REQUEST_METHOD' => 'POST',
                'HTTP_X_HTTP_METHOD_OVERRIDE' => 'GET'
            ]
        ]);
        $this->assertEmpty($request->data);
    }

    /**
     * loadEnvironment method
     *
     * @param array $env
     * @return void
     */
    protected function _loadEnvironment($env)
    {
        if (isset($env['App'])) {
            Configure::write('App', $env['App']);
        }

        if (isset($env['GET'])) {
            foreach ($env['GET'] as $key => $val) {
                $_GET[$key] = $val;
            }
        }

        if (isset($env['POST'])) {
            foreach ($env['POST'] as $key => $val) {
                $_POST[$key] = $val;
            }
        }

        if (isset($env['SERVER'])) {
            foreach ($env['SERVER'] as $key => $val) {
                $_SERVER[$key] = $val;
            }
        }
    }
}