<?php
/**
 * LICENSE
 *
 * "THE BEER-WARE LICENSE" (Revision 42):
 * "Sven Strittmatter" <ich@weltraumschaf.de> wrote this file.
 * As long as you retain this notice you can do whatever you want with
 * this stuff. If we meet some day, and you think this stuff is worth it,
 * you can buy me a beer in return.
 *
 * @author    Sven Strittmatter <ich@weltraumschaf.de>
 * @copyright Copyright (c) 2010, Sven Strittmatter.
 * @version   0.2.2
 * @license   http://www.weltraumschaf.de/the-beer-ware-license.txt
 */

/**
 * Test helper
 */
require_once dirname(__DIR__) . DIRECTORY_SEPARATOR . 'TestHelper.php';
/**
 * @see Api_Controller
 */
require_once 'Api/Controller.php';
/**
 * Fake the magic globael GET parameters array.
 *
 * @var array
 */
$_GET;
/**
 * Fake the magic globael POST parameters array.
 *
 * @var array
 */
$_POST;

/**
 * Testcase for the class Api_Controller.
 */
class Api_ControllerTest extends PHPUnit_Extensions_OutputTestCase {
    /**
     * Sets up clear GET and POST parameter arrays.
     */
    protected function setUp() {
        $_GET  = array();
        $_POST = array();
        Api_Log::clear();
    }

    /**
     * Returtns a default SUT with mocked config and request.
     * 
     * @return Api_Controller
     */
    protected function getDefaultController() {
        $config  = $this->getMock('Api_Kwick_Config', array(), array('config' => array()));
        $request = $this->getMock('Api_Kwick_Request', array(), array('config' => $config));

        return new Api_Controller($request);
    }

    /**
     * Test geting request parameters.
     */
    public function testGetRequestParameter() {
        $_GET['foo']  = 'bar';
        $_POST['baz'] = 3;
        $controller   = $this->getDefaultController();

        $this->assertEquals('bar', $controller->getRequestParameter('foo'));
        $this->assertEquals(3, $controller->getRequestParameter('baz'));
        $this->assertEquals('default', $controller->getRequestParameter('test', 'default'));
        $this->assertEquals('', $controller->getRequestParameter('test'));
        $this->assertNull($controller->getRequestParameter('test', null));
    }

    /**
     * Test getting the method.
     */
    public function testGetMethod() {
        $controller = $this->getDefaultController();
        $this->assertEquals(Api_Kwick_Request::DEFAULT_METHOD, $controller->getMethod());

        $_GET['method'] = 'aMethod';
        $this->assertEquals('aMethod', $controller->getMethod());
        unset($_GET['method']);

        $_POST['method'] = 'bMethod';
        $this->assertEquals('bMethod', $controller->getMethod());
        unset($_POST['method']);
    }

    /**
     * Test getting the service.
     */
    public function testGetService() {
        $controller = $this->getDefaultController();
        $this->assertEquals(Api_Kwick_Request::DEFAULT_SERVICE, $controller->getService());

        $_GET['service'] = 'aService';
        $this->assertEquals('aService', $controller->getService());
        unset($_GET['service']);

        $_POST['service'] = 'bService';
        $this->assertEquals('bService', $controller->getService());
        unset($_POST['service']);
    }

    /**
     * Test dispatching.
     */
    public function testDispatch() {
        $_GET['service'] = 'aService';
        $_GET['method']  = 'aMethod';

        $config  = $this->getMock('Api_Kwick_Config', array(),
                                  array('config' => array()));
        $request = $this->getMock('Api_Kwick_Request', 
                                  array('send', 'setMethod', 'setService'),
                                  array('config' => $config));
        $request->expects($this->once())
                ->method('setMethod')
                ->with($this->equalTo($_GET['method']));
        $request->expects($this->once())
                ->method('setService')
                ->with($this->equalTo($_GET['service']));
        $request->expects($this->once())
                ->method('send')
                ->will($this->returnValue('result'));
        
        $this->expectOutputString(json_encode(array('response' => 'result',
                                                    'log'      => array())));
        Api_Log::disable();
        $controller = new Api_Controller($request);
        $controller->dispatch();
        Api_Log::enable();
    }

    public function testThrowExceptionOnDispatching() {
        $config  = $this->getMock('Api_Kwick_Config', array(),
                                  array('config' => array()));
        $request = $this->getMock('Api_Kwick_Request',
                                  array('send', 'setMethod', 'setService'),
                                  array('config' => $config));

        $request->expects($this->once())
                ->method('setMethod');
        $request->expects($this->once())
                ->method('setService');
        $exception = new Exception('A testexception', 5);
        $request->expects($this->once())
                ->method('send')
                ->will($this->throwException($exception));

        $this->expectOutputString(json_encode(array('exception' => $exception->getMessage(),
                                                    'log'       => array())));
        Api_Log::disable();
        $controller = new  Api_Controller($request);
        $controller->dispatch();
        Api_Log::enable();
    }

    public function testPrepareParametersOnRequest() {
        $this->markTestIncomplete();
    }

    public function testExternalSecret() {
        $this->markTestIncomplete();
    }
}