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<?php

namespace PhpConsole\Test;

abstract class Storage extends Test {

    /** @var  \PhpConsole\Storage */
    protected $storage;

    /**
     * @return \PhpConsole\Storage
     */
    abstract protected function initStorage();

    protected function setUp() {
        parent::setUp();
        $this->storage = $this->initStorage();
    }

    protected function generateKey() {
        return mt_rand() . mt_rand() . mt_rand();
    }

    public function testPush() {
        $key = $this->generateKey();
        $data = $this->generateKey();
        $this->storage->push($key, $data);
        $this->assertEquals($data, $this->storage->pop($key));
    }

    public function testPop() {
        $key = $this->generateKey();
        $data = $this->generateKey();
        $this->storage->push($key, $data);
        $this->storage->pop($key);
        $this->assertNull($this->storage->pop($key));
    }

    /**
     * @group slow
     */
    public function testSetKeyLifetime() {
        $key = $this->generateKey();
        $this->storage->setKeyLifetime(1);
        $this->storage->push($key, 123);
        sleep(2);
        $this->storage->push($this->generateKey(), 123);
        $this->assertNull($this->storage->pop($key));
    }
}