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<?php

namespace GuzzleTestsPluginHistory;

use GuzzleHttpClient;
use GuzzleHttpMessageRequest;
use GuzzleHttpMessageResponse;
use GuzzlePluginHistoryHistoryPlugin;
use GuzzlePluginMockMockPlugin;

/**
 * @covers GuzzlePluginHistoryHistoryPlugin
 */
class HistoryPluginTest extends GuzzleTestsGuzzleTestCase
{
    /**
     * Adds multiple requests to a plugin
     *
     * @param HistoryPlugin $h Plugin
     * @param int $num Number of requests to add
     *
     * @return array
     */
    protected function addRequests(HistoryPlugin $h, $num)
    {
        $requests = array();
        $client = new Client('http://127.0.0.1/');
        for ($i = 0; $i < $num; $i++) {
            $requests[$i] = $client->get();
            $requests[$i]->setResponse(new Response(200), true);
            $requests[$i]->send();
            $h->add($requests[$i]);
        }

        return $requests;
    }

    public function testDescribesSubscribedEvents()
    {
        $this->assertInternalType('array', HistoryPlugin::getSubscribedEvents());
    }

    public function testMaintainsLimitValue()
    {
        $h = new HistoryPlugin();
        $this->assertSame($h, $h->setLimit(10));
        $this->assertEquals(10, $h->getLimit());
    }

    public function testAddsRequests()
    {
        $h = new HistoryPlugin();
        $requests = $this->addRequests($h, 1);
        $this->assertEquals(1, count($h));
        $i = $h->getIterator();
        $this->assertEquals(1, count($i));
        $this->assertEquals($requests[0], $i[0]);
    }

    /**
     * @depends testAddsRequests
     */
    public function testMaintainsLimit()
    {
        $h = new HistoryPlugin();
        $h->setLimit(2);
        $requests = $this->addRequests($h, 3);
        $this->assertEquals(2, count($h));
        $i = 0;
        foreach ($h as $request) {
            if ($i > 0) {
                $this->assertSame($requests[$i], $request);
            }
        }
    }

    public function testReturnsLastRequest()
    {
        $h = new HistoryPlugin();
        $requests = $this->addRequests($h, 5);
        $this->assertSame(end($requests), $h->getLastRequest());
    }

    public function testReturnsLastResponse()
    {
        $h = new HistoryPlugin();
        $requests = $this->addRequests($h, 5);
        $this->assertSame(end($requests)->getResponse(), $h->getLastResponse());
    }

    public function testClearsHistory()
    {
        $h = new HistoryPlugin();
        $requests = $this->addRequests($h, 5);
        $this->assertEquals(5, count($h));
        $h->clear();
        $this->assertEquals(0, count($h));
    }

    /**
     * @depends testAddsRequests
     */
    public function testUpdatesAddRequests()
    {
        $h = new HistoryPlugin();
        $client = new Client('http://127.0.0.1/');
        $client->getEventDispatcher()->addSubscriber($h);

        $request = $client->get();
        $request->setResponse(new Response(200), true);
        $request->send();

        $this->assertSame($request, $h->getLastRequest());
    }

    public function testCanCastToString()
    {
        $client = new Client('http://127.0.0.1/');
        $h = new HistoryPlugin();
        $client->getEventDispatcher()->addSubscriber($h);

        $mock = new MockPlugin(array(
            new Response(301, array('Location' => '/redirect1', 'Content-Length' => 0)),
            new Response(307, array('Location' => '/redirect2', 'Content-Length' => 0)),
            new Response(200, array('Content-Length' => '2'), 'HI')
        ));

        $client->getEventDispatcher()->addSubscriber($mock);
        $request = $client->get();
        $request->send();
        $this->assertEquals(3, count($h));
        $this->assertEquals(3, count($mock->getReceivedRequests()));

        $h = str_replace("r", '', $h);
        $this->assertContains("> GET / HTTP/1.1nHost: 127.0.0.1nUser-Agent:", $h);
        $this->assertContains("< HTTP/1.1 301 Moved PermanentlynLocation: /redirect1", $h);
        $this->assertContains("< HTTP/1.1 307 Temporary RedirectnLocation: /redirect2", $h);
        $this->assertContains("< HTTP/1.1 200 OKnContent-Length: 2nnHI", $h);
    }
}